Hal Drivers for L4
Dependents: BSP OneHopeOnePrayer FINAL_AUDIO_RECORD AudioDemo
Fork of STM32L4xx_HAL_Driver by
Src/stm32l4xx_hal_spi.c@0:80ee8f3b695e, 2015-11-02 (annotated)
- Committer:
- EricLew
- Date:
- Mon Nov 02 19:37:23 2015 +0000
- Revision:
- 0:80ee8f3b695e
Errors are with definitions of LCD and QSPI functions. I believe all .h and .c files are uploaded, but there may need to be certain functions called.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
EricLew | 0:80ee8f3b695e | 1 | /** |
EricLew | 0:80ee8f3b695e | 2 | ****************************************************************************** |
EricLew | 0:80ee8f3b695e | 3 | * @file stm32l4xx_hal_spi.c |
EricLew | 0:80ee8f3b695e | 4 | * @author MCD Application Team |
EricLew | 0:80ee8f3b695e | 5 | * @version V1.1.0 |
EricLew | 0:80ee8f3b695e | 6 | * @date 16-September-2015 |
EricLew | 0:80ee8f3b695e | 7 | * @brief SPI HAL module driver. |
EricLew | 0:80ee8f3b695e | 8 | * This file provides firmware functions to manage the following |
EricLew | 0:80ee8f3b695e | 9 | * functionalities of the Serial Peripheral Interface (SPI) peripheral: |
EricLew | 0:80ee8f3b695e | 10 | * + Initialization and de-initialization functions |
EricLew | 0:80ee8f3b695e | 11 | * + IO operation functions |
EricLew | 0:80ee8f3b695e | 12 | * + Peripheral Control functions |
EricLew | 0:80ee8f3b695e | 13 | * + Peripheral State functions |
EricLew | 0:80ee8f3b695e | 14 | * |
EricLew | 0:80ee8f3b695e | 15 | @verbatim |
EricLew | 0:80ee8f3b695e | 16 | ============================================================================== |
EricLew | 0:80ee8f3b695e | 17 | ##### How to use this driver ##### |
EricLew | 0:80ee8f3b695e | 18 | ============================================================================== |
EricLew | 0:80ee8f3b695e | 19 | [..] |
EricLew | 0:80ee8f3b695e | 20 | The SPI HAL driver can be used as follows: |
EricLew | 0:80ee8f3b695e | 21 | |
EricLew | 0:80ee8f3b695e | 22 | (#) Declare a SPI_HandleTypeDef handle structure, for example: |
EricLew | 0:80ee8f3b695e | 23 | SPI_HandleTypeDef hspi; |
EricLew | 0:80ee8f3b695e | 24 | |
EricLew | 0:80ee8f3b695e | 25 | (#)Initialize the SPI low level resources by implementing the HAL_SPI_MspInit() API: |
EricLew | 0:80ee8f3b695e | 26 | (##) Enable the SPIx interface clock |
EricLew | 0:80ee8f3b695e | 27 | (##) SPI pins configuration |
EricLew | 0:80ee8f3b695e | 28 | (+++) Enable the clock for the SPI GPIOs |
EricLew | 0:80ee8f3b695e | 29 | (+++) Configure these SPI pins as alternate function push-pull |
EricLew | 0:80ee8f3b695e | 30 | (##) NVIC configuration if you need to use interrupt process |
EricLew | 0:80ee8f3b695e | 31 | (+++) Configure the SPIx interrupt priority |
EricLew | 0:80ee8f3b695e | 32 | (+++) Enable the NVIC SPI IRQ handle |
EricLew | 0:80ee8f3b695e | 33 | (##) DMA Configuration if you need to use DMA process |
EricLew | 0:80ee8f3b695e | 34 | (+++) Declare a DMA_HandleTypeDef handle structure for the transmit or receive channel |
EricLew | 0:80ee8f3b695e | 35 | (+++) Enable the DMAx clock |
EricLew | 0:80ee8f3b695e | 36 | (+++) Configure the DMA handle parameters |
EricLew | 0:80ee8f3b695e | 37 | (+++) Configure the DMA Tx or Rx channel |
EricLew | 0:80ee8f3b695e | 38 | (+++) Associate the initialized hdma_tx handle to the hspi DMA Tx or Rx handle |
EricLew | 0:80ee8f3b695e | 39 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx or Rx channel |
EricLew | 0:80ee8f3b695e | 40 | |
EricLew | 0:80ee8f3b695e | 41 | (#) Program the Mode, BidirectionalMode , Data size, Baudrate Prescaler, NSS |
EricLew | 0:80ee8f3b695e | 42 | management, Clock polarity and phase, FirstBit and CRC configuration in the hspi Init structure. |
EricLew | 0:80ee8f3b695e | 43 | |
EricLew | 0:80ee8f3b695e | 44 | (#) Initialize the SPI registers by calling the HAL_SPI_Init() API: |
EricLew | 0:80ee8f3b695e | 45 | (++) This API configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
EricLew | 0:80ee8f3b695e | 46 | by calling the customized HAL_SPI_MspInit() API. |
EricLew | 0:80ee8f3b695e | 47 | [..] |
EricLew | 0:80ee8f3b695e | 48 | Circular mode restriction: |
EricLew | 0:80ee8f3b695e | 49 | (#) The DMA circular mode cannot be used when the SPI is configured in these modes: |
EricLew | 0:80ee8f3b695e | 50 | (##) Master 2Lines RxOnly |
EricLew | 0:80ee8f3b695e | 51 | (##) Master 1Line Rx |
EricLew | 0:80ee8f3b695e | 52 | (#) The CRC feature is not managed when the DMA circular mode is enabled |
EricLew | 0:80ee8f3b695e | 53 | (#) When the SPI DMA Pause/Stop features are used, we must use the following APIs |
EricLew | 0:80ee8f3b695e | 54 | the HAL_SPI_DMAPause()/ HAL_SPI_DMAStop() only under the SPI callbacks |
EricLew | 0:80ee8f3b695e | 55 | |
EricLew | 0:80ee8f3b695e | 56 | @endverbatim |
EricLew | 0:80ee8f3b695e | 57 | ****************************************************************************** |
EricLew | 0:80ee8f3b695e | 58 | * @attention |
EricLew | 0:80ee8f3b695e | 59 | * |
EricLew | 0:80ee8f3b695e | 60 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
EricLew | 0:80ee8f3b695e | 61 | * |
EricLew | 0:80ee8f3b695e | 62 | * Redistribution and use in source and binary forms, with or without modification, |
EricLew | 0:80ee8f3b695e | 63 | * are permitted provided that the following conditions are met: |
EricLew | 0:80ee8f3b695e | 64 | * 1. Redistributions of source code must retain the above copyright notice, |
EricLew | 0:80ee8f3b695e | 65 | * this list of conditions and the following disclaimer. |
EricLew | 0:80ee8f3b695e | 66 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
EricLew | 0:80ee8f3b695e | 67 | * this list of conditions and the following disclaimer in the documentation |
EricLew | 0:80ee8f3b695e | 68 | * and/or other materials provided with the distribution. |
EricLew | 0:80ee8f3b695e | 69 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
EricLew | 0:80ee8f3b695e | 70 | * may be used to endorse or promote products derived from this software |
EricLew | 0:80ee8f3b695e | 71 | * without specific prior written permission. |
EricLew | 0:80ee8f3b695e | 72 | * |
EricLew | 0:80ee8f3b695e | 73 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
EricLew | 0:80ee8f3b695e | 74 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
EricLew | 0:80ee8f3b695e | 75 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
EricLew | 0:80ee8f3b695e | 76 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
EricLew | 0:80ee8f3b695e | 77 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
EricLew | 0:80ee8f3b695e | 78 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
EricLew | 0:80ee8f3b695e | 79 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
EricLew | 0:80ee8f3b695e | 80 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
EricLew | 0:80ee8f3b695e | 81 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
EricLew | 0:80ee8f3b695e | 82 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
EricLew | 0:80ee8f3b695e | 83 | * |
EricLew | 0:80ee8f3b695e | 84 | ****************************************************************************** |
EricLew | 0:80ee8f3b695e | 85 | */ |
EricLew | 0:80ee8f3b695e | 86 | |
EricLew | 0:80ee8f3b695e | 87 | /* Includes ------------------------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 88 | #include "stm32l4xx_hal.h" |
EricLew | 0:80ee8f3b695e | 89 | |
EricLew | 0:80ee8f3b695e | 90 | /** @addtogroup STM32L4xx_HAL_Driver |
EricLew | 0:80ee8f3b695e | 91 | * @{ |
EricLew | 0:80ee8f3b695e | 92 | */ |
EricLew | 0:80ee8f3b695e | 93 | |
EricLew | 0:80ee8f3b695e | 94 | /** @defgroup SPI SPI |
EricLew | 0:80ee8f3b695e | 95 | * @brief SPI HAL module driver |
EricLew | 0:80ee8f3b695e | 96 | * @{ |
EricLew | 0:80ee8f3b695e | 97 | */ |
EricLew | 0:80ee8f3b695e | 98 | #ifdef HAL_SPI_MODULE_ENABLED |
EricLew | 0:80ee8f3b695e | 99 | |
EricLew | 0:80ee8f3b695e | 100 | /* Private typedef -----------------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 101 | /* Private defines -----------------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 102 | /** @defgroup SPI_Private_Constants SPI Private Constants |
EricLew | 0:80ee8f3b695e | 103 | * @{ |
EricLew | 0:80ee8f3b695e | 104 | */ |
EricLew | 0:80ee8f3b695e | 105 | #define SPI_DEFAULT_TIMEOUT 50 |
EricLew | 0:80ee8f3b695e | 106 | /** |
EricLew | 0:80ee8f3b695e | 107 | * @} |
EricLew | 0:80ee8f3b695e | 108 | */ |
EricLew | 0:80ee8f3b695e | 109 | |
EricLew | 0:80ee8f3b695e | 110 | /* Private macros ------------------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 111 | /* Private variables ---------------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 112 | /* Private function prototypes -----------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 113 | /** @defgroup SPI_Private_Functions SPI Private Functions |
EricLew | 0:80ee8f3b695e | 114 | * @{ |
EricLew | 0:80ee8f3b695e | 115 | */ |
EricLew | 0:80ee8f3b695e | 116 | static void SPI_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 117 | static void SPI_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 118 | static void SPI_DMATransmitReceiveCplt(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 119 | static void SPI_DMAHalfTransmitCplt(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 120 | static void SPI_DMAHalfReceiveCplt(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 121 | static void SPI_DMAHalfTransmitReceiveCplt(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 122 | static void SPI_DMAError(DMA_HandleTypeDef *hdma); |
EricLew | 0:80ee8f3b695e | 123 | static HAL_StatusTypeDef SPI_WaitFlagStateUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Flag, uint32_t State, uint32_t Timeout); |
EricLew | 0:80ee8f3b695e | 124 | static HAL_StatusTypeDef SPI_WaitFifoStateUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Fifo, uint32_t State, uint32_t Timeout); |
EricLew | 0:80ee8f3b695e | 125 | static void SPI_TxISR_8BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 126 | static void SPI_TxISR_16BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 127 | static void SPI_RxISR_8BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 128 | static void SPI_RxISR_8BITCRC(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 129 | static void SPI_RxISR_16BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 130 | static void SPI_RxISR_16BITCRC(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 131 | static void SPI_2linesRxISR_8BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 132 | static void SPI_2linesRxISR_8BITCRC(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 133 | static void SPI_2linesTxISR_8BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 134 | static void SPI_2linesTxISR_16BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 135 | static void SPI_2linesRxISR_16BIT(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 136 | static void SPI_2linesRxISR_16BITCRC(struct __SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 137 | static void SPI_CloseRxTx_ISR(SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 138 | static void SPI_CloseRx_ISR(SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 139 | static void SPI_CloseTx_ISR(SPI_HandleTypeDef *hspi); |
EricLew | 0:80ee8f3b695e | 140 | static HAL_StatusTypeDef SPI_EndRxTransaction(SPI_HandleTypeDef *hspi, uint32_t Timeout); |
EricLew | 0:80ee8f3b695e | 141 | static HAL_StatusTypeDef SPI_EndRxTxTransaction(SPI_HandleTypeDef *hspi, uint32_t Timeout); |
EricLew | 0:80ee8f3b695e | 142 | /** |
EricLew | 0:80ee8f3b695e | 143 | * @} |
EricLew | 0:80ee8f3b695e | 144 | */ |
EricLew | 0:80ee8f3b695e | 145 | |
EricLew | 0:80ee8f3b695e | 146 | /* Exported functions ---------------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 147 | |
EricLew | 0:80ee8f3b695e | 148 | /** @defgroup SPI_Exported_Functions SPI Exported Functions |
EricLew | 0:80ee8f3b695e | 149 | * @{ |
EricLew | 0:80ee8f3b695e | 150 | */ |
EricLew | 0:80ee8f3b695e | 151 | |
EricLew | 0:80ee8f3b695e | 152 | /** @defgroup SPI_Exported_Functions_Group1 Initialization and de-initialization functions |
EricLew | 0:80ee8f3b695e | 153 | * @brief Initialization and Configuration functions |
EricLew | 0:80ee8f3b695e | 154 | * |
EricLew | 0:80ee8f3b695e | 155 | @verbatim |
EricLew | 0:80ee8f3b695e | 156 | =============================================================================== |
EricLew | 0:80ee8f3b695e | 157 | ##### Initialization and de-initialization functions ##### |
EricLew | 0:80ee8f3b695e | 158 | =============================================================================== |
EricLew | 0:80ee8f3b695e | 159 | [..] This subsection provides a set of functions allowing to initialize and |
EricLew | 0:80ee8f3b695e | 160 | de-initialize the SPIx peripheral: |
EricLew | 0:80ee8f3b695e | 161 | |
EricLew | 0:80ee8f3b695e | 162 | (+) User must implement HAL_SPI_MspInit() function in which he configures |
EricLew | 0:80ee8f3b695e | 163 | all related peripherals resources (CLOCK, GPIO, DMA, IT and NVIC ). |
EricLew | 0:80ee8f3b695e | 164 | |
EricLew | 0:80ee8f3b695e | 165 | (+) Call the function HAL_SPI_Init() to configure the selected device with |
EricLew | 0:80ee8f3b695e | 166 | the selected configuration: |
EricLew | 0:80ee8f3b695e | 167 | (++) Mode |
EricLew | 0:80ee8f3b695e | 168 | (++) Direction |
EricLew | 0:80ee8f3b695e | 169 | (++) Data Size |
EricLew | 0:80ee8f3b695e | 170 | (++) Clock Polarity and Phase |
EricLew | 0:80ee8f3b695e | 171 | (++) NSS Management |
EricLew | 0:80ee8f3b695e | 172 | (++) BaudRate Prescaler |
EricLew | 0:80ee8f3b695e | 173 | (++) FirstBit |
EricLew | 0:80ee8f3b695e | 174 | (++) TIMode |
EricLew | 0:80ee8f3b695e | 175 | (++) CRC Calculation |
EricLew | 0:80ee8f3b695e | 176 | (++) CRC Polynomial if CRC enabled |
EricLew | 0:80ee8f3b695e | 177 | (++) CRC Length, used only with Data8 and Data16 |
EricLew | 0:80ee8f3b695e | 178 | (++) FIFO reception threshold |
EricLew | 0:80ee8f3b695e | 179 | |
EricLew | 0:80ee8f3b695e | 180 | (+) Call the function HAL_SPI_DeInit() to restore the default configuration |
EricLew | 0:80ee8f3b695e | 181 | of the selected SPIx peripheral. |
EricLew | 0:80ee8f3b695e | 182 | |
EricLew | 0:80ee8f3b695e | 183 | @endverbatim |
EricLew | 0:80ee8f3b695e | 184 | * @{ |
EricLew | 0:80ee8f3b695e | 185 | */ |
EricLew | 0:80ee8f3b695e | 186 | |
EricLew | 0:80ee8f3b695e | 187 | /** |
EricLew | 0:80ee8f3b695e | 188 | * @brief Initialize the SPI according to the specified parameters |
EricLew | 0:80ee8f3b695e | 189 | * in the SPI_InitTypeDef and initialize the associated handle. |
EricLew | 0:80ee8f3b695e | 190 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 191 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 192 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 193 | */ |
EricLew | 0:80ee8f3b695e | 194 | HAL_StatusTypeDef HAL_SPI_Init(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 195 | { |
EricLew | 0:80ee8f3b695e | 196 | uint32_t frxth; |
EricLew | 0:80ee8f3b695e | 197 | |
EricLew | 0:80ee8f3b695e | 198 | /* Check the SPI handle allocation */ |
EricLew | 0:80ee8f3b695e | 199 | if(hspi == NULL) |
EricLew | 0:80ee8f3b695e | 200 | { |
EricLew | 0:80ee8f3b695e | 201 | return HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 202 | } |
EricLew | 0:80ee8f3b695e | 203 | |
EricLew | 0:80ee8f3b695e | 204 | /* Check the parameters */ |
EricLew | 0:80ee8f3b695e | 205 | assert_param(IS_SPI_ALL_INSTANCE(hspi->Instance)); |
EricLew | 0:80ee8f3b695e | 206 | assert_param(IS_SPI_MODE(hspi->Init.Mode)); |
EricLew | 0:80ee8f3b695e | 207 | assert_param(IS_SPI_DIRECTION(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 208 | assert_param(IS_SPI_DATASIZE(hspi->Init.DataSize)); |
EricLew | 0:80ee8f3b695e | 209 | assert_param(IS_SPI_CPOL(hspi->Init.CLKPolarity)); |
EricLew | 0:80ee8f3b695e | 210 | assert_param(IS_SPI_CPHA(hspi->Init.CLKPhase)); |
EricLew | 0:80ee8f3b695e | 211 | assert_param(IS_SPI_NSS(hspi->Init.NSS)); |
EricLew | 0:80ee8f3b695e | 212 | assert_param(IS_SPI_NSSP(hspi->Init.NSSPMode)); |
EricLew | 0:80ee8f3b695e | 213 | assert_param(IS_SPI_BAUDRATE_PRESCALER(hspi->Init.BaudRatePrescaler)); |
EricLew | 0:80ee8f3b695e | 214 | assert_param(IS_SPI_FIRST_BIT(hspi->Init.FirstBit)); |
EricLew | 0:80ee8f3b695e | 215 | assert_param(IS_SPI_TIMODE(hspi->Init.TIMode)); |
EricLew | 0:80ee8f3b695e | 216 | assert_param(IS_SPI_CRC_CALCULATION(hspi->Init.CRCCalculation)); |
EricLew | 0:80ee8f3b695e | 217 | assert_param(IS_SPI_CRC_POLYNOMIAL(hspi->Init.CRCPolynomial)); |
EricLew | 0:80ee8f3b695e | 218 | assert_param(IS_SPI_CRC_LENGTH(hspi->Init.CRCLength)); |
EricLew | 0:80ee8f3b695e | 219 | |
EricLew | 0:80ee8f3b695e | 220 | if(hspi->State == HAL_SPI_STATE_RESET) |
EricLew | 0:80ee8f3b695e | 221 | { |
EricLew | 0:80ee8f3b695e | 222 | /* Allocate lock resource and initialize it */ |
EricLew | 0:80ee8f3b695e | 223 | hspi->Lock = HAL_UNLOCKED; |
EricLew | 0:80ee8f3b695e | 224 | |
EricLew | 0:80ee8f3b695e | 225 | /* Init the low level hardware : GPIO, CLOCK, NVIC... */ |
EricLew | 0:80ee8f3b695e | 226 | HAL_SPI_MspInit(hspi); |
EricLew | 0:80ee8f3b695e | 227 | } |
EricLew | 0:80ee8f3b695e | 228 | |
EricLew | 0:80ee8f3b695e | 229 | hspi->State = HAL_SPI_STATE_BUSY; |
EricLew | 0:80ee8f3b695e | 230 | |
EricLew | 0:80ee8f3b695e | 231 | /* Disable the selected SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 232 | __HAL_SPI_DISABLE(hspi); |
EricLew | 0:80ee8f3b695e | 233 | |
EricLew | 0:80ee8f3b695e | 234 | /* Align by default the rs fifo threshold on the data size */ |
EricLew | 0:80ee8f3b695e | 235 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 236 | { |
EricLew | 0:80ee8f3b695e | 237 | frxth = SPI_RXFIFO_THRESHOLD_HF; |
EricLew | 0:80ee8f3b695e | 238 | } |
EricLew | 0:80ee8f3b695e | 239 | else |
EricLew | 0:80ee8f3b695e | 240 | { |
EricLew | 0:80ee8f3b695e | 241 | frxth = SPI_RXFIFO_THRESHOLD_QF; |
EricLew | 0:80ee8f3b695e | 242 | } |
EricLew | 0:80ee8f3b695e | 243 | |
EricLew | 0:80ee8f3b695e | 244 | /* CRC calculation is valid only for 16Bit and 8 Bit */ |
EricLew | 0:80ee8f3b695e | 245 | if(( hspi->Init.DataSize != SPI_DATASIZE_16BIT ) && ( hspi->Init.DataSize != SPI_DATASIZE_8BIT )) |
EricLew | 0:80ee8f3b695e | 246 | { |
EricLew | 0:80ee8f3b695e | 247 | /* CRC must be disabled */ |
EricLew | 0:80ee8f3b695e | 248 | hspi->Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
EricLew | 0:80ee8f3b695e | 249 | } |
EricLew | 0:80ee8f3b695e | 250 | |
EricLew | 0:80ee8f3b695e | 251 | /* Align the CRC Length on the data size */ |
EricLew | 0:80ee8f3b695e | 252 | if( hspi->Init.CRCLength == SPI_CRC_LENGTH_DATASIZE) |
EricLew | 0:80ee8f3b695e | 253 | { |
EricLew | 0:80ee8f3b695e | 254 | /* CRC Length aligned on the data size : value set by default */ |
EricLew | 0:80ee8f3b695e | 255 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 256 | { |
EricLew | 0:80ee8f3b695e | 257 | hspi->Init.CRCLength = SPI_CRC_LENGTH_16BIT; |
EricLew | 0:80ee8f3b695e | 258 | } |
EricLew | 0:80ee8f3b695e | 259 | else |
EricLew | 0:80ee8f3b695e | 260 | { |
EricLew | 0:80ee8f3b695e | 261 | hspi->Init.CRCLength = SPI_CRC_LENGTH_8BIT; |
EricLew | 0:80ee8f3b695e | 262 | } |
EricLew | 0:80ee8f3b695e | 263 | } |
EricLew | 0:80ee8f3b695e | 264 | |
EricLew | 0:80ee8f3b695e | 265 | /*---------------------------- SPIx CR1 & CR2 Configuration ------------------------*/ |
EricLew | 0:80ee8f3b695e | 266 | /* Configure : SPI Mode, Communication Mode, Clock polarity and phase, NSS management, |
EricLew | 0:80ee8f3b695e | 267 | Communication speed, First bit, CRC calculation state, CRC Length */ |
EricLew | 0:80ee8f3b695e | 268 | hspi->Instance->CR1 = (hspi->Init.Mode | hspi->Init.Direction | |
EricLew | 0:80ee8f3b695e | 269 | hspi->Init.CLKPolarity | hspi->Init.CLKPhase | (hspi->Init.NSS & SPI_CR1_SSM) | |
EricLew | 0:80ee8f3b695e | 270 | hspi->Init.BaudRatePrescaler | hspi->Init.FirstBit | hspi->Init.CRCCalculation); |
EricLew | 0:80ee8f3b695e | 271 | |
EricLew | 0:80ee8f3b695e | 272 | if( hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT) |
EricLew | 0:80ee8f3b695e | 273 | { |
EricLew | 0:80ee8f3b695e | 274 | hspi->Instance->CR1|= SPI_CR1_CRCL; |
EricLew | 0:80ee8f3b695e | 275 | } |
EricLew | 0:80ee8f3b695e | 276 | |
EricLew | 0:80ee8f3b695e | 277 | /* Configure : NSS management */ |
EricLew | 0:80ee8f3b695e | 278 | /* Configure : Rx Fifo Threshold */ |
EricLew | 0:80ee8f3b695e | 279 | hspi->Instance->CR2 = (((hspi->Init.NSS >> 16) & SPI_CR2_SSOE) | hspi->Init.TIMode | hspi->Init.NSSPMode | |
EricLew | 0:80ee8f3b695e | 280 | hspi->Init.DataSize ) | frxth; |
EricLew | 0:80ee8f3b695e | 281 | |
EricLew | 0:80ee8f3b695e | 282 | /*---------------------------- SPIx CRCPOLY Configuration --------------------*/ |
EricLew | 0:80ee8f3b695e | 283 | /* Configure : CRC Polynomial */ |
EricLew | 0:80ee8f3b695e | 284 | hspi->Instance->CRCPR = hspi->Init.CRCPolynomial; |
EricLew | 0:80ee8f3b695e | 285 | |
EricLew | 0:80ee8f3b695e | 286 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 287 | hspi->State= HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 288 | |
EricLew | 0:80ee8f3b695e | 289 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 290 | } |
EricLew | 0:80ee8f3b695e | 291 | |
EricLew | 0:80ee8f3b695e | 292 | /** |
EricLew | 0:80ee8f3b695e | 293 | * @brief DeInitialize the SPI peripheral. |
EricLew | 0:80ee8f3b695e | 294 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 295 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 296 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 297 | */ |
EricLew | 0:80ee8f3b695e | 298 | HAL_StatusTypeDef HAL_SPI_DeInit(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 299 | { |
EricLew | 0:80ee8f3b695e | 300 | /* Check the SPI handle allocation */ |
EricLew | 0:80ee8f3b695e | 301 | if(hspi == NULL) |
EricLew | 0:80ee8f3b695e | 302 | { |
EricLew | 0:80ee8f3b695e | 303 | return HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 304 | } |
EricLew | 0:80ee8f3b695e | 305 | |
EricLew | 0:80ee8f3b695e | 306 | /* Check the parameters */ |
EricLew | 0:80ee8f3b695e | 307 | assert_param(IS_SPI_ALL_INSTANCE(hspi->Instance)); |
EricLew | 0:80ee8f3b695e | 308 | hspi->State = HAL_SPI_STATE_BUSY; |
EricLew | 0:80ee8f3b695e | 309 | |
EricLew | 0:80ee8f3b695e | 310 | /* Disable the SPI Peripheral Clock */ |
EricLew | 0:80ee8f3b695e | 311 | __HAL_SPI_DISABLE(hspi); |
EricLew | 0:80ee8f3b695e | 312 | |
EricLew | 0:80ee8f3b695e | 313 | /* DeInit the low level hardware: GPIO, CLOCK, NVIC... */ |
EricLew | 0:80ee8f3b695e | 314 | HAL_SPI_MspDeInit(hspi); |
EricLew | 0:80ee8f3b695e | 315 | |
EricLew | 0:80ee8f3b695e | 316 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 317 | hspi->State = HAL_SPI_STATE_RESET; |
EricLew | 0:80ee8f3b695e | 318 | |
EricLew | 0:80ee8f3b695e | 319 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 320 | |
EricLew | 0:80ee8f3b695e | 321 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 322 | } |
EricLew | 0:80ee8f3b695e | 323 | |
EricLew | 0:80ee8f3b695e | 324 | /** |
EricLew | 0:80ee8f3b695e | 325 | * @brief Initialize the SPI MSP. |
EricLew | 0:80ee8f3b695e | 326 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 327 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 328 | * @retval None |
EricLew | 0:80ee8f3b695e | 329 | */ |
EricLew | 0:80ee8f3b695e | 330 | __weak void HAL_SPI_MspInit(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 331 | { |
EricLew | 0:80ee8f3b695e | 332 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 333 | the HAL_SPI_MspInit should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 334 | */ |
EricLew | 0:80ee8f3b695e | 335 | } |
EricLew | 0:80ee8f3b695e | 336 | |
EricLew | 0:80ee8f3b695e | 337 | /** |
EricLew | 0:80ee8f3b695e | 338 | * @brief DeInitialize the SPI MSP. |
EricLew | 0:80ee8f3b695e | 339 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 340 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 341 | * @retval None |
EricLew | 0:80ee8f3b695e | 342 | */ |
EricLew | 0:80ee8f3b695e | 343 | __weak void HAL_SPI_MspDeInit(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 344 | { |
EricLew | 0:80ee8f3b695e | 345 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 346 | the HAL_SPI_MspDeInit should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 347 | */ |
EricLew | 0:80ee8f3b695e | 348 | } |
EricLew | 0:80ee8f3b695e | 349 | |
EricLew | 0:80ee8f3b695e | 350 | /** |
EricLew | 0:80ee8f3b695e | 351 | * @} |
EricLew | 0:80ee8f3b695e | 352 | */ |
EricLew | 0:80ee8f3b695e | 353 | |
EricLew | 0:80ee8f3b695e | 354 | /** @defgroup SPI_Exported_Functions_Group2 IO operation functions |
EricLew | 0:80ee8f3b695e | 355 | * @brief Data transfers functions |
EricLew | 0:80ee8f3b695e | 356 | * |
EricLew | 0:80ee8f3b695e | 357 | @verbatim |
EricLew | 0:80ee8f3b695e | 358 | ============================================================================== |
EricLew | 0:80ee8f3b695e | 359 | ##### IO operation functions ##### |
EricLew | 0:80ee8f3b695e | 360 | =============================================================================== |
EricLew | 0:80ee8f3b695e | 361 | [..] |
EricLew | 0:80ee8f3b695e | 362 | This subsection provides a set of functions allowing to manage the SPI |
EricLew | 0:80ee8f3b695e | 363 | data transfers. |
EricLew | 0:80ee8f3b695e | 364 | |
EricLew | 0:80ee8f3b695e | 365 | [..] The SPI supports master and slave mode : |
EricLew | 0:80ee8f3b695e | 366 | |
EricLew | 0:80ee8f3b695e | 367 | (#) There are two modes of transfer: |
EricLew | 0:80ee8f3b695e | 368 | (++) Blocking mode: The communication is performed in polling mode. |
EricLew | 0:80ee8f3b695e | 369 | The HAL status of all data processing is returned by the same function |
EricLew | 0:80ee8f3b695e | 370 | after finishing transfer. |
EricLew | 0:80ee8f3b695e | 371 | (++) No-Blocking mode: The communication is performed using Interrupts |
EricLew | 0:80ee8f3b695e | 372 | or DMA, These APIs return the HAL status. |
EricLew | 0:80ee8f3b695e | 373 | The end of the data processing will be indicated through the |
EricLew | 0:80ee8f3b695e | 374 | dedicated SPI IRQ when using Interrupt mode or the DMA IRQ when |
EricLew | 0:80ee8f3b695e | 375 | using DMA mode. |
EricLew | 0:80ee8f3b695e | 376 | The HAL_SPI_TxCpltCallback(), HAL_SPI_RxCpltCallback() and HAL_SPI_TxRxCpltCallback() user callbacks |
EricLew | 0:80ee8f3b695e | 377 | will be executed respectively at the end of the transmit or Receive process |
EricLew | 0:80ee8f3b695e | 378 | The HAL_SPI_ErrorCallback()user callback will be executed when a communication error is detected |
EricLew | 0:80ee8f3b695e | 379 | |
EricLew | 0:80ee8f3b695e | 380 | (#) APIs provided for these 2 transfer modes (Blocking mode or Non blocking mode using either Interrupt or DMA) |
EricLew | 0:80ee8f3b695e | 381 | exist for 1Line (simplex) and 2Lines (full duplex) modes. |
EricLew | 0:80ee8f3b695e | 382 | |
EricLew | 0:80ee8f3b695e | 383 | @endverbatim |
EricLew | 0:80ee8f3b695e | 384 | * @{ |
EricLew | 0:80ee8f3b695e | 385 | */ |
EricLew | 0:80ee8f3b695e | 386 | |
EricLew | 0:80ee8f3b695e | 387 | /** |
EricLew | 0:80ee8f3b695e | 388 | * @brief Transmit an amount of data in blocking mode. |
EricLew | 0:80ee8f3b695e | 389 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 390 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 391 | * @param pData: pointer to data buffer |
EricLew | 0:80ee8f3b695e | 392 | * @param Size: amount of data to be sent |
EricLew | 0:80ee8f3b695e | 393 | * @param Timeout: Timeout duration |
EricLew | 0:80ee8f3b695e | 394 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 395 | */ |
EricLew | 0:80ee8f3b695e | 396 | HAL_StatusTypeDef HAL_SPI_Transmit(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 397 | { |
EricLew | 0:80ee8f3b695e | 398 | uint32_t tickstart = HAL_GetTick(); |
EricLew | 0:80ee8f3b695e | 399 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 400 | |
EricLew | 0:80ee8f3b695e | 401 | assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 402 | |
EricLew | 0:80ee8f3b695e | 403 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 404 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 405 | |
EricLew | 0:80ee8f3b695e | 406 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 407 | { |
EricLew | 0:80ee8f3b695e | 408 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 409 | goto error; |
EricLew | 0:80ee8f3b695e | 410 | } |
EricLew | 0:80ee8f3b695e | 411 | |
EricLew | 0:80ee8f3b695e | 412 | if((pData == NULL ) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 413 | { |
EricLew | 0:80ee8f3b695e | 414 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 415 | goto error; |
EricLew | 0:80ee8f3b695e | 416 | } |
EricLew | 0:80ee8f3b695e | 417 | |
EricLew | 0:80ee8f3b695e | 418 | /* Set the transaction information */ |
EricLew | 0:80ee8f3b695e | 419 | hspi->State = HAL_SPI_STATE_BUSY_TX; |
EricLew | 0:80ee8f3b695e | 420 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 421 | hspi->pTxBuffPtr = pData; |
EricLew | 0:80ee8f3b695e | 422 | hspi->TxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 423 | hspi->TxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 424 | hspi->pRxBuffPtr = (uint8_t *)NULL; |
EricLew | 0:80ee8f3b695e | 425 | hspi->RxXferSize = 0; |
EricLew | 0:80ee8f3b695e | 426 | hspi->RxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 427 | |
EricLew | 0:80ee8f3b695e | 428 | /* Configure communication direction : 1Line */ |
EricLew | 0:80ee8f3b695e | 429 | if(hspi->Init.Direction == SPI_DIRECTION_1LINE) |
EricLew | 0:80ee8f3b695e | 430 | { |
EricLew | 0:80ee8f3b695e | 431 | SPI_1LINE_TX(hspi); |
EricLew | 0:80ee8f3b695e | 432 | } |
EricLew | 0:80ee8f3b695e | 433 | |
EricLew | 0:80ee8f3b695e | 434 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 435 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 436 | { |
EricLew | 0:80ee8f3b695e | 437 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 438 | } |
EricLew | 0:80ee8f3b695e | 439 | |
EricLew | 0:80ee8f3b695e | 440 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 441 | if((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 442 | { |
EricLew | 0:80ee8f3b695e | 443 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 444 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 445 | } |
EricLew | 0:80ee8f3b695e | 446 | |
EricLew | 0:80ee8f3b695e | 447 | /* Transmit data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 448 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 449 | { |
EricLew | 0:80ee8f3b695e | 450 | /* Transmit data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 451 | while (hspi->TxXferCount > 0) |
EricLew | 0:80ee8f3b695e | 452 | { |
EricLew | 0:80ee8f3b695e | 453 | /* Wait until TXE flag is set to send data */ |
EricLew | 0:80ee8f3b695e | 454 | if((hspi->Instance->SR & SPI_FLAG_TXE) == SPI_FLAG_TXE) |
EricLew | 0:80ee8f3b695e | 455 | { |
EricLew | 0:80ee8f3b695e | 456 | hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 457 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 458 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 459 | } |
EricLew | 0:80ee8f3b695e | 460 | else |
EricLew | 0:80ee8f3b695e | 461 | { |
EricLew | 0:80ee8f3b695e | 462 | /* Timeout management */ |
EricLew | 0:80ee8f3b695e | 463 | if((Timeout == 0) || ((Timeout != HAL_MAX_DELAY) && ((HAL_GetTick()-tickstart) >= Timeout))) |
EricLew | 0:80ee8f3b695e | 464 | { |
EricLew | 0:80ee8f3b695e | 465 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 466 | goto error; |
EricLew | 0:80ee8f3b695e | 467 | } |
EricLew | 0:80ee8f3b695e | 468 | } |
EricLew | 0:80ee8f3b695e | 469 | } |
EricLew | 0:80ee8f3b695e | 470 | } |
EricLew | 0:80ee8f3b695e | 471 | /* Transmit data in 8 Bit mode */ |
EricLew | 0:80ee8f3b695e | 472 | else |
EricLew | 0:80ee8f3b695e | 473 | { |
EricLew | 0:80ee8f3b695e | 474 | while (hspi->TxXferCount > 0) |
EricLew | 0:80ee8f3b695e | 475 | { |
EricLew | 0:80ee8f3b695e | 476 | /* Wait until TXE flag is set to send data */ |
EricLew | 0:80ee8f3b695e | 477 | if((hspi->Instance->SR & SPI_FLAG_TXE) == SPI_FLAG_TXE) |
EricLew | 0:80ee8f3b695e | 478 | { |
EricLew | 0:80ee8f3b695e | 479 | if(hspi->TxXferCount > 1) |
EricLew | 0:80ee8f3b695e | 480 | { |
EricLew | 0:80ee8f3b695e | 481 | /* write on the data register in packing mode */ |
EricLew | 0:80ee8f3b695e | 482 | hspi->Instance->DR = *((uint16_t*)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 483 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 484 | hspi->TxXferCount -= 2; |
EricLew | 0:80ee8f3b695e | 485 | } |
EricLew | 0:80ee8f3b695e | 486 | else |
EricLew | 0:80ee8f3b695e | 487 | { |
EricLew | 0:80ee8f3b695e | 488 | *((__IO uint8_t*)&hspi->Instance->DR) = (*hspi->pTxBuffPtr++); |
EricLew | 0:80ee8f3b695e | 489 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 490 | } |
EricLew | 0:80ee8f3b695e | 491 | } |
EricLew | 0:80ee8f3b695e | 492 | else |
EricLew | 0:80ee8f3b695e | 493 | { |
EricLew | 0:80ee8f3b695e | 494 | /* Timeout management */ |
EricLew | 0:80ee8f3b695e | 495 | if((Timeout == 0) || ((Timeout != HAL_MAX_DELAY) && ((HAL_GetTick()-tickstart) >= Timeout))) |
EricLew | 0:80ee8f3b695e | 496 | { |
EricLew | 0:80ee8f3b695e | 497 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 498 | goto error; |
EricLew | 0:80ee8f3b695e | 499 | } |
EricLew | 0:80ee8f3b695e | 500 | } |
EricLew | 0:80ee8f3b695e | 501 | } |
EricLew | 0:80ee8f3b695e | 502 | } |
EricLew | 0:80ee8f3b695e | 503 | |
EricLew | 0:80ee8f3b695e | 504 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 505 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 506 | { |
EricLew | 0:80ee8f3b695e | 507 | hspi->Instance->CR1|= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 508 | } |
EricLew | 0:80ee8f3b695e | 509 | |
EricLew | 0:80ee8f3b695e | 510 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 511 | if(SPI_EndRxTxTransaction(hspi,Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 512 | { |
EricLew | 0:80ee8f3b695e | 513 | hspi->ErrorCode = HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 514 | } |
EricLew | 0:80ee8f3b695e | 515 | |
EricLew | 0:80ee8f3b695e | 516 | /* Clear overrun flag in 2 Lines communication mode because received is not read */ |
EricLew | 0:80ee8f3b695e | 517 | if(hspi->Init.Direction == SPI_DIRECTION_2LINES) |
EricLew | 0:80ee8f3b695e | 518 | { |
EricLew | 0:80ee8f3b695e | 519 | __HAL_SPI_CLEAR_OVRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 520 | } |
EricLew | 0:80ee8f3b695e | 521 | |
EricLew | 0:80ee8f3b695e | 522 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 523 | { |
EricLew | 0:80ee8f3b695e | 524 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 525 | } |
EricLew | 0:80ee8f3b695e | 526 | |
EricLew | 0:80ee8f3b695e | 527 | error: |
EricLew | 0:80ee8f3b695e | 528 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 529 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 530 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 531 | return errorcode; |
EricLew | 0:80ee8f3b695e | 532 | } |
EricLew | 0:80ee8f3b695e | 533 | |
EricLew | 0:80ee8f3b695e | 534 | /** |
EricLew | 0:80ee8f3b695e | 535 | * @brief Receive an amount of data in blocking mode. |
EricLew | 0:80ee8f3b695e | 536 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 537 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 538 | * @param pData: pointer to data buffer |
EricLew | 0:80ee8f3b695e | 539 | * @param Size: amount of data to be received |
EricLew | 0:80ee8f3b695e | 540 | * @param Timeout: Timeout duration |
EricLew | 0:80ee8f3b695e | 541 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 542 | */ |
EricLew | 0:80ee8f3b695e | 543 | HAL_StatusTypeDef HAL_SPI_Receive(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 544 | { |
EricLew | 0:80ee8f3b695e | 545 | __IO uint16_t tmpreg; |
EricLew | 0:80ee8f3b695e | 546 | uint32_t tickstart = HAL_GetTick(); |
EricLew | 0:80ee8f3b695e | 547 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 548 | |
EricLew | 0:80ee8f3b695e | 549 | if((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES)) |
EricLew | 0:80ee8f3b695e | 550 | { |
EricLew | 0:80ee8f3b695e | 551 | /* the receive process is not supported in 2Lines direction master mode */ |
EricLew | 0:80ee8f3b695e | 552 | /* in this case we call the TransmitReceive process */ |
EricLew | 0:80ee8f3b695e | 553 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 554 | return HAL_SPI_TransmitReceive(hspi,pData,pData,Size,Timeout); |
EricLew | 0:80ee8f3b695e | 555 | } |
EricLew | 0:80ee8f3b695e | 556 | |
EricLew | 0:80ee8f3b695e | 557 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 558 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 559 | |
EricLew | 0:80ee8f3b695e | 560 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 561 | { |
EricLew | 0:80ee8f3b695e | 562 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 563 | goto error; |
EricLew | 0:80ee8f3b695e | 564 | } |
EricLew | 0:80ee8f3b695e | 565 | |
EricLew | 0:80ee8f3b695e | 566 | if((pData == NULL ) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 567 | { |
EricLew | 0:80ee8f3b695e | 568 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 569 | goto error; |
EricLew | 0:80ee8f3b695e | 570 | } |
EricLew | 0:80ee8f3b695e | 571 | |
EricLew | 0:80ee8f3b695e | 572 | hspi->State = HAL_SPI_STATE_BUSY_RX; |
EricLew | 0:80ee8f3b695e | 573 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 574 | hspi->pRxBuffPtr = pData; |
EricLew | 0:80ee8f3b695e | 575 | hspi->RxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 576 | hspi->RxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 577 | hspi->pTxBuffPtr = (uint8_t *)NULL; |
EricLew | 0:80ee8f3b695e | 578 | hspi->TxXferSize = 0; |
EricLew | 0:80ee8f3b695e | 579 | hspi->TxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 580 | |
EricLew | 0:80ee8f3b695e | 581 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 582 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 583 | { |
EricLew | 0:80ee8f3b695e | 584 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 585 | /* this is done to handle the CRCNEXT before the latest data */ |
EricLew | 0:80ee8f3b695e | 586 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 587 | } |
EricLew | 0:80ee8f3b695e | 588 | |
EricLew | 0:80ee8f3b695e | 589 | /* Set the Rx Fido threshold */ |
EricLew | 0:80ee8f3b695e | 590 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 591 | { |
EricLew | 0:80ee8f3b695e | 592 | /* set fiforxthresold according the reception data length: 16bit */ |
EricLew | 0:80ee8f3b695e | 593 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 594 | } |
EricLew | 0:80ee8f3b695e | 595 | else |
EricLew | 0:80ee8f3b695e | 596 | { |
EricLew | 0:80ee8f3b695e | 597 | /* set fiforxthresold according the reception data length: 8bit */ |
EricLew | 0:80ee8f3b695e | 598 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 599 | } |
EricLew | 0:80ee8f3b695e | 600 | |
EricLew | 0:80ee8f3b695e | 601 | /* Configure communication direction 1Line and enabled SPI if needed */ |
EricLew | 0:80ee8f3b695e | 602 | if(hspi->Init.Direction == SPI_DIRECTION_1LINE) |
EricLew | 0:80ee8f3b695e | 603 | { |
EricLew | 0:80ee8f3b695e | 604 | SPI_1LINE_RX(hspi); |
EricLew | 0:80ee8f3b695e | 605 | } |
EricLew | 0:80ee8f3b695e | 606 | |
EricLew | 0:80ee8f3b695e | 607 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 608 | if((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 609 | { |
EricLew | 0:80ee8f3b695e | 610 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 611 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 612 | } |
EricLew | 0:80ee8f3b695e | 613 | |
EricLew | 0:80ee8f3b695e | 614 | if(hspi->Init.DataSize <= SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 615 | { |
EricLew | 0:80ee8f3b695e | 616 | /* Transfer loop */ |
EricLew | 0:80ee8f3b695e | 617 | while(hspi->RxXferCount > 0) |
EricLew | 0:80ee8f3b695e | 618 | { |
EricLew | 0:80ee8f3b695e | 619 | /* Check the RXNE flag */ |
EricLew | 0:80ee8f3b695e | 620 | if((hspi->Instance->SR & SPI_FLAG_RXNE) == SPI_FLAG_RXNE) |
EricLew | 0:80ee8f3b695e | 621 | { |
EricLew | 0:80ee8f3b695e | 622 | /* read the received data */ |
EricLew | 0:80ee8f3b695e | 623 | (*hspi->pRxBuffPtr++)= *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 624 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 625 | } |
EricLew | 0:80ee8f3b695e | 626 | else |
EricLew | 0:80ee8f3b695e | 627 | { |
EricLew | 0:80ee8f3b695e | 628 | /* Timeout management */ |
EricLew | 0:80ee8f3b695e | 629 | if((Timeout == 0) || ((Timeout != HAL_MAX_DELAY) && ((HAL_GetTick()-tickstart) >= Timeout))) |
EricLew | 0:80ee8f3b695e | 630 | { |
EricLew | 0:80ee8f3b695e | 631 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 632 | goto error; |
EricLew | 0:80ee8f3b695e | 633 | } |
EricLew | 0:80ee8f3b695e | 634 | } |
EricLew | 0:80ee8f3b695e | 635 | } |
EricLew | 0:80ee8f3b695e | 636 | } |
EricLew | 0:80ee8f3b695e | 637 | else |
EricLew | 0:80ee8f3b695e | 638 | { |
EricLew | 0:80ee8f3b695e | 639 | /* Transfer loop */ |
EricLew | 0:80ee8f3b695e | 640 | while(hspi->RxXferCount > 0) |
EricLew | 0:80ee8f3b695e | 641 | { |
EricLew | 0:80ee8f3b695e | 642 | /* Check the RXNE flag */ |
EricLew | 0:80ee8f3b695e | 643 | if((hspi->Instance->SR & SPI_FLAG_RXNE) == SPI_FLAG_RXNE) |
EricLew | 0:80ee8f3b695e | 644 | { |
EricLew | 0:80ee8f3b695e | 645 | *((uint16_t*)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 646 | hspi->pRxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 647 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 648 | } |
EricLew | 0:80ee8f3b695e | 649 | else |
EricLew | 0:80ee8f3b695e | 650 | { |
EricLew | 0:80ee8f3b695e | 651 | /* Timeout management */ |
EricLew | 0:80ee8f3b695e | 652 | if((Timeout == 0) || ((Timeout != HAL_MAX_DELAY) && ((HAL_GetTick()-tickstart) >= Timeout))) |
EricLew | 0:80ee8f3b695e | 653 | { |
EricLew | 0:80ee8f3b695e | 654 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 655 | goto error; |
EricLew | 0:80ee8f3b695e | 656 | } |
EricLew | 0:80ee8f3b695e | 657 | } |
EricLew | 0:80ee8f3b695e | 658 | } |
EricLew | 0:80ee8f3b695e | 659 | } |
EricLew | 0:80ee8f3b695e | 660 | |
EricLew | 0:80ee8f3b695e | 661 | /* Handle the CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 662 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 663 | { |
EricLew | 0:80ee8f3b695e | 664 | /* freeze the CRC before the latest data */ |
EricLew | 0:80ee8f3b695e | 665 | hspi->Instance->CR1|= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 666 | |
EricLew | 0:80ee8f3b695e | 667 | /* Read the latest data */ |
EricLew | 0:80ee8f3b695e | 668 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 669 | { |
EricLew | 0:80ee8f3b695e | 670 | /* the latest data has not been received */ |
EricLew | 0:80ee8f3b695e | 671 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 672 | goto error; |
EricLew | 0:80ee8f3b695e | 673 | } |
EricLew | 0:80ee8f3b695e | 674 | |
EricLew | 0:80ee8f3b695e | 675 | /* Receive last data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 676 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 677 | { |
EricLew | 0:80ee8f3b695e | 678 | *((uint16_t*)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 679 | } |
EricLew | 0:80ee8f3b695e | 680 | /* Receive last data in 8 Bit mode */ |
EricLew | 0:80ee8f3b695e | 681 | else |
EricLew | 0:80ee8f3b695e | 682 | { |
EricLew | 0:80ee8f3b695e | 683 | *hspi->pRxBuffPtr = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 684 | } |
EricLew | 0:80ee8f3b695e | 685 | |
EricLew | 0:80ee8f3b695e | 686 | /* Wait until TXE flag */ |
EricLew | 0:80ee8f3b695e | 687 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 688 | { |
EricLew | 0:80ee8f3b695e | 689 | /* Flag Error*/ |
EricLew | 0:80ee8f3b695e | 690 | hspi->ErrorCode = HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 691 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 692 | goto error; |
EricLew | 0:80ee8f3b695e | 693 | } |
EricLew | 0:80ee8f3b695e | 694 | |
EricLew | 0:80ee8f3b695e | 695 | if(hspi->Init.DataSize == SPI_DATASIZE_16BIT) |
EricLew | 0:80ee8f3b695e | 696 | { |
EricLew | 0:80ee8f3b695e | 697 | tmpreg = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 698 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 699 | } |
EricLew | 0:80ee8f3b695e | 700 | else |
EricLew | 0:80ee8f3b695e | 701 | { |
EricLew | 0:80ee8f3b695e | 702 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 703 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 704 | |
EricLew | 0:80ee8f3b695e | 705 | if((hspi->Init.DataSize == SPI_DATASIZE_8BIT) && (hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT)) |
EricLew | 0:80ee8f3b695e | 706 | { |
EricLew | 0:80ee8f3b695e | 707 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 708 | { |
EricLew | 0:80ee8f3b695e | 709 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 710 | hspi->ErrorCode = HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 711 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 712 | goto error; |
EricLew | 0:80ee8f3b695e | 713 | } |
EricLew | 0:80ee8f3b695e | 714 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 715 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 716 | } |
EricLew | 0:80ee8f3b695e | 717 | } |
EricLew | 0:80ee8f3b695e | 718 | } |
EricLew | 0:80ee8f3b695e | 719 | |
EricLew | 0:80ee8f3b695e | 720 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 721 | if(SPI_EndRxTransaction(hspi,Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 722 | { |
EricLew | 0:80ee8f3b695e | 723 | hspi->ErrorCode = HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 724 | } |
EricLew | 0:80ee8f3b695e | 725 | |
EricLew | 0:80ee8f3b695e | 726 | /* Check if CRC error occurred */ |
EricLew | 0:80ee8f3b695e | 727 | if(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_CRCERR) != RESET) |
EricLew | 0:80ee8f3b695e | 728 | { |
EricLew | 0:80ee8f3b695e | 729 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 730 | __HAL_SPI_CLEAR_CRCERRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 731 | } |
EricLew | 0:80ee8f3b695e | 732 | |
EricLew | 0:80ee8f3b695e | 733 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 734 | { |
EricLew | 0:80ee8f3b695e | 735 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 736 | } |
EricLew | 0:80ee8f3b695e | 737 | |
EricLew | 0:80ee8f3b695e | 738 | error : |
EricLew | 0:80ee8f3b695e | 739 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 740 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 741 | return errorcode; |
EricLew | 0:80ee8f3b695e | 742 | } |
EricLew | 0:80ee8f3b695e | 743 | |
EricLew | 0:80ee8f3b695e | 744 | /** |
EricLew | 0:80ee8f3b695e | 745 | * @brief Transmit and Receive an amount of data in blocking mode. |
EricLew | 0:80ee8f3b695e | 746 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 747 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 748 | * @param pTxData: pointer to transmission data buffer |
EricLew | 0:80ee8f3b695e | 749 | * @param pRxData: pointer to reception data buffer |
EricLew | 0:80ee8f3b695e | 750 | * @param Size: amount of data to be sent and received |
EricLew | 0:80ee8f3b695e | 751 | * @param Timeout: Timeout duration |
EricLew | 0:80ee8f3b695e | 752 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 753 | */ |
EricLew | 0:80ee8f3b695e | 754 | HAL_StatusTypeDef HAL_SPI_TransmitReceive(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 755 | { |
EricLew | 0:80ee8f3b695e | 756 | __IO uint16_t tmpreg; |
EricLew | 0:80ee8f3b695e | 757 | uint32_t tickstart = HAL_GetTick(); |
EricLew | 0:80ee8f3b695e | 758 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 759 | |
EricLew | 0:80ee8f3b695e | 760 | assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 761 | |
EricLew | 0:80ee8f3b695e | 762 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 763 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 764 | |
EricLew | 0:80ee8f3b695e | 765 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 766 | { |
EricLew | 0:80ee8f3b695e | 767 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 768 | goto error; |
EricLew | 0:80ee8f3b695e | 769 | } |
EricLew | 0:80ee8f3b695e | 770 | |
EricLew | 0:80ee8f3b695e | 771 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 772 | { |
EricLew | 0:80ee8f3b695e | 773 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 774 | goto error; |
EricLew | 0:80ee8f3b695e | 775 | } |
EricLew | 0:80ee8f3b695e | 776 | |
EricLew | 0:80ee8f3b695e | 777 | hspi->State = HAL_SPI_STATE_BUSY_TX_RX; |
EricLew | 0:80ee8f3b695e | 778 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 779 | hspi->pRxBuffPtr = pRxData; |
EricLew | 0:80ee8f3b695e | 780 | hspi->RxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 781 | hspi->RxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 782 | hspi->pTxBuffPtr = pTxData; |
EricLew | 0:80ee8f3b695e | 783 | hspi->TxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 784 | hspi->TxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 785 | |
EricLew | 0:80ee8f3b695e | 786 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 787 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 788 | { |
EricLew | 0:80ee8f3b695e | 789 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 790 | } |
EricLew | 0:80ee8f3b695e | 791 | |
EricLew | 0:80ee8f3b695e | 792 | /* Set the Rx Fido threshold */ |
EricLew | 0:80ee8f3b695e | 793 | if((hspi->Init.DataSize > SPI_DATASIZE_8BIT) || (hspi->RxXferCount > 1)) |
EricLew | 0:80ee8f3b695e | 794 | { |
EricLew | 0:80ee8f3b695e | 795 | /* set fiforxthreshold according the reception data length: 16bit */ |
EricLew | 0:80ee8f3b695e | 796 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 797 | } |
EricLew | 0:80ee8f3b695e | 798 | else |
EricLew | 0:80ee8f3b695e | 799 | { |
EricLew | 0:80ee8f3b695e | 800 | /* set fiforxthreshold according the reception data length: 8bit */ |
EricLew | 0:80ee8f3b695e | 801 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 802 | } |
EricLew | 0:80ee8f3b695e | 803 | |
EricLew | 0:80ee8f3b695e | 804 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 805 | if((hspi->Instance->CR1 &SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 806 | { |
EricLew | 0:80ee8f3b695e | 807 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 808 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 809 | } |
EricLew | 0:80ee8f3b695e | 810 | |
EricLew | 0:80ee8f3b695e | 811 | /* Transmit and Receive data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 812 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 813 | { |
EricLew | 0:80ee8f3b695e | 814 | while ((hspi->TxXferCount > 0 ) || (hspi->RxXferCount > 0)) |
EricLew | 0:80ee8f3b695e | 815 | { |
EricLew | 0:80ee8f3b695e | 816 | /* Check TXE flag */ |
EricLew | 0:80ee8f3b695e | 817 | if((hspi->TxXferCount > 0) && ((hspi->Instance->SR & SPI_FLAG_TXE) == SPI_FLAG_TXE)) |
EricLew | 0:80ee8f3b695e | 818 | { |
EricLew | 0:80ee8f3b695e | 819 | hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 820 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 821 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 822 | |
EricLew | 0:80ee8f3b695e | 823 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 824 | if((hspi->TxXferCount == 0) && (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE)) |
EricLew | 0:80ee8f3b695e | 825 | { |
EricLew | 0:80ee8f3b695e | 826 | hspi->Instance->CR1|= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 827 | } |
EricLew | 0:80ee8f3b695e | 828 | } |
EricLew | 0:80ee8f3b695e | 829 | |
EricLew | 0:80ee8f3b695e | 830 | /* Check RXNE flag */ |
EricLew | 0:80ee8f3b695e | 831 | if((hspi->RxXferCount > 0) && ((hspi->Instance->SR & SPI_FLAG_RXNE) == SPI_FLAG_RXNE)) |
EricLew | 0:80ee8f3b695e | 832 | { |
EricLew | 0:80ee8f3b695e | 833 | *((uint16_t *)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 834 | hspi->pRxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 835 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 836 | } |
EricLew | 0:80ee8f3b695e | 837 | if((Timeout != HAL_MAX_DELAY) && ((HAL_GetTick()-tickstart) >= Timeout)) |
EricLew | 0:80ee8f3b695e | 838 | { |
EricLew | 0:80ee8f3b695e | 839 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 840 | goto error; |
EricLew | 0:80ee8f3b695e | 841 | } |
EricLew | 0:80ee8f3b695e | 842 | } |
EricLew | 0:80ee8f3b695e | 843 | } |
EricLew | 0:80ee8f3b695e | 844 | /* Transmit and Receive data in 8 Bit mode */ |
EricLew | 0:80ee8f3b695e | 845 | else |
EricLew | 0:80ee8f3b695e | 846 | { |
EricLew | 0:80ee8f3b695e | 847 | while((hspi->TxXferCount > 0) || (hspi->RxXferCount > 0)) |
EricLew | 0:80ee8f3b695e | 848 | { |
EricLew | 0:80ee8f3b695e | 849 | /* check TXE flag */ |
EricLew | 0:80ee8f3b695e | 850 | if((hspi->TxXferCount > 0) && ((hspi->Instance->SR & SPI_FLAG_TXE) == SPI_FLAG_TXE)) |
EricLew | 0:80ee8f3b695e | 851 | { |
EricLew | 0:80ee8f3b695e | 852 | if(hspi->TxXferCount > 1) |
EricLew | 0:80ee8f3b695e | 853 | { |
EricLew | 0:80ee8f3b695e | 854 | hspi->Instance->DR = *((uint16_t*)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 855 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 856 | hspi->TxXferCount -= 2; |
EricLew | 0:80ee8f3b695e | 857 | } |
EricLew | 0:80ee8f3b695e | 858 | else |
EricLew | 0:80ee8f3b695e | 859 | { |
EricLew | 0:80ee8f3b695e | 860 | *(__IO uint8_t *)&hspi->Instance->DR = (*hspi->pTxBuffPtr++); |
EricLew | 0:80ee8f3b695e | 861 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 862 | } |
EricLew | 0:80ee8f3b695e | 863 | |
EricLew | 0:80ee8f3b695e | 864 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 865 | if((hspi->TxXferCount == 0) && (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE)) |
EricLew | 0:80ee8f3b695e | 866 | { |
EricLew | 0:80ee8f3b695e | 867 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 868 | } |
EricLew | 0:80ee8f3b695e | 869 | } |
EricLew | 0:80ee8f3b695e | 870 | |
EricLew | 0:80ee8f3b695e | 871 | /* Wait until RXNE flag is reset */ |
EricLew | 0:80ee8f3b695e | 872 | if((hspi->RxXferCount > 0) && ((hspi->Instance->SR & SPI_FLAG_RXNE) == SPI_FLAG_RXNE)) |
EricLew | 0:80ee8f3b695e | 873 | { |
EricLew | 0:80ee8f3b695e | 874 | if(hspi->RxXferCount > 1) |
EricLew | 0:80ee8f3b695e | 875 | { |
EricLew | 0:80ee8f3b695e | 876 | *((uint16_t*)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 877 | hspi->pRxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 878 | hspi->RxXferCount -= 2; |
EricLew | 0:80ee8f3b695e | 879 | if(hspi->RxXferCount <= 1) |
EricLew | 0:80ee8f3b695e | 880 | { |
EricLew | 0:80ee8f3b695e | 881 | /* set fiforxthresold before to switch on 8 bit data size */ |
EricLew | 0:80ee8f3b695e | 882 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 883 | } |
EricLew | 0:80ee8f3b695e | 884 | } |
EricLew | 0:80ee8f3b695e | 885 | else |
EricLew | 0:80ee8f3b695e | 886 | { |
EricLew | 0:80ee8f3b695e | 887 | (*hspi->pRxBuffPtr++) = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 888 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 889 | } |
EricLew | 0:80ee8f3b695e | 890 | } |
EricLew | 0:80ee8f3b695e | 891 | if((Timeout != HAL_MAX_DELAY) && ((HAL_GetTick()-tickstart) >= Timeout)) |
EricLew | 0:80ee8f3b695e | 892 | { |
EricLew | 0:80ee8f3b695e | 893 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 894 | goto error; |
EricLew | 0:80ee8f3b695e | 895 | } |
EricLew | 0:80ee8f3b695e | 896 | } |
EricLew | 0:80ee8f3b695e | 897 | } |
EricLew | 0:80ee8f3b695e | 898 | |
EricLew | 0:80ee8f3b695e | 899 | /* Read CRC from DR to close CRC calculation process */ |
EricLew | 0:80ee8f3b695e | 900 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 901 | { |
EricLew | 0:80ee8f3b695e | 902 | /* Wait until TXE flag */ |
EricLew | 0:80ee8f3b695e | 903 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 904 | { |
EricLew | 0:80ee8f3b695e | 905 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 906 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 907 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 908 | goto error; |
EricLew | 0:80ee8f3b695e | 909 | } |
EricLew | 0:80ee8f3b695e | 910 | |
EricLew | 0:80ee8f3b695e | 911 | if(hspi->Init.DataSize == SPI_DATASIZE_16BIT) |
EricLew | 0:80ee8f3b695e | 912 | { |
EricLew | 0:80ee8f3b695e | 913 | tmpreg = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 914 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 915 | } |
EricLew | 0:80ee8f3b695e | 916 | else |
EricLew | 0:80ee8f3b695e | 917 | { |
EricLew | 0:80ee8f3b695e | 918 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 919 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 920 | |
EricLew | 0:80ee8f3b695e | 921 | if(hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT) |
EricLew | 0:80ee8f3b695e | 922 | { |
EricLew | 0:80ee8f3b695e | 923 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 924 | { |
EricLew | 0:80ee8f3b695e | 925 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 926 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 927 | errorcode = HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 928 | goto error; |
EricLew | 0:80ee8f3b695e | 929 | } |
EricLew | 0:80ee8f3b695e | 930 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 931 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 932 | } |
EricLew | 0:80ee8f3b695e | 933 | } |
EricLew | 0:80ee8f3b695e | 934 | } |
EricLew | 0:80ee8f3b695e | 935 | |
EricLew | 0:80ee8f3b695e | 936 | /* Check if CRC error occurred */ |
EricLew | 0:80ee8f3b695e | 937 | if(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_CRCERR) != RESET) |
EricLew | 0:80ee8f3b695e | 938 | { |
EricLew | 0:80ee8f3b695e | 939 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 940 | /* Clear CRC Flag */ |
EricLew | 0:80ee8f3b695e | 941 | __HAL_SPI_CLEAR_CRCERRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 942 | |
EricLew | 0:80ee8f3b695e | 943 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 944 | } |
EricLew | 0:80ee8f3b695e | 945 | |
EricLew | 0:80ee8f3b695e | 946 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 947 | if(SPI_EndRxTxTransaction(hspi,Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 948 | { |
EricLew | 0:80ee8f3b695e | 949 | hspi->ErrorCode = HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 950 | } |
EricLew | 0:80ee8f3b695e | 951 | |
EricLew | 0:80ee8f3b695e | 952 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 953 | { |
EricLew | 0:80ee8f3b695e | 954 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 955 | } |
EricLew | 0:80ee8f3b695e | 956 | |
EricLew | 0:80ee8f3b695e | 957 | error : |
EricLew | 0:80ee8f3b695e | 958 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 959 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 960 | return errorcode; |
EricLew | 0:80ee8f3b695e | 961 | } |
EricLew | 0:80ee8f3b695e | 962 | |
EricLew | 0:80ee8f3b695e | 963 | /** |
EricLew | 0:80ee8f3b695e | 964 | * @brief Transmit an amount of data in non-blocking mode with Interrupt. |
EricLew | 0:80ee8f3b695e | 965 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 966 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 967 | * @param pData: pointer to data buffer |
EricLew | 0:80ee8f3b695e | 968 | * @param Size: amount of data to be sent |
EricLew | 0:80ee8f3b695e | 969 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 970 | */ |
EricLew | 0:80ee8f3b695e | 971 | HAL_StatusTypeDef HAL_SPI_Transmit_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) |
EricLew | 0:80ee8f3b695e | 972 | { |
EricLew | 0:80ee8f3b695e | 973 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 974 | assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 975 | |
EricLew | 0:80ee8f3b695e | 976 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 977 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 978 | |
EricLew | 0:80ee8f3b695e | 979 | if((pData == NULL) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 980 | { |
EricLew | 0:80ee8f3b695e | 981 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 982 | goto error; |
EricLew | 0:80ee8f3b695e | 983 | } |
EricLew | 0:80ee8f3b695e | 984 | |
EricLew | 0:80ee8f3b695e | 985 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 986 | { |
EricLew | 0:80ee8f3b695e | 987 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 988 | goto error; |
EricLew | 0:80ee8f3b695e | 989 | } |
EricLew | 0:80ee8f3b695e | 990 | |
EricLew | 0:80ee8f3b695e | 991 | /* prepare the transfer */ |
EricLew | 0:80ee8f3b695e | 992 | hspi->State = HAL_SPI_STATE_BUSY_TX; |
EricLew | 0:80ee8f3b695e | 993 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 994 | hspi->pTxBuffPtr = pData; |
EricLew | 0:80ee8f3b695e | 995 | hspi->TxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 996 | hspi->TxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 997 | hspi->pRxBuffPtr = (uint8_t *)NULL; |
EricLew | 0:80ee8f3b695e | 998 | hspi->RxXferSize = 0; |
EricLew | 0:80ee8f3b695e | 999 | hspi->RxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 1000 | hspi->RxISR = NULL; |
EricLew | 0:80ee8f3b695e | 1001 | |
EricLew | 0:80ee8f3b695e | 1002 | /* Set the function for IT treatment */ |
EricLew | 0:80ee8f3b695e | 1003 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT ) |
EricLew | 0:80ee8f3b695e | 1004 | { |
EricLew | 0:80ee8f3b695e | 1005 | hspi->TxISR = SPI_TxISR_16BIT; |
EricLew | 0:80ee8f3b695e | 1006 | } |
EricLew | 0:80ee8f3b695e | 1007 | else |
EricLew | 0:80ee8f3b695e | 1008 | { |
EricLew | 0:80ee8f3b695e | 1009 | hspi->TxISR = SPI_TxISR_8BIT; |
EricLew | 0:80ee8f3b695e | 1010 | } |
EricLew | 0:80ee8f3b695e | 1011 | |
EricLew | 0:80ee8f3b695e | 1012 | /* Configure communication direction : 1Line */ |
EricLew | 0:80ee8f3b695e | 1013 | if(hspi->Init.Direction == SPI_DIRECTION_1LINE) |
EricLew | 0:80ee8f3b695e | 1014 | { |
EricLew | 0:80ee8f3b695e | 1015 | SPI_1LINE_TX(hspi); |
EricLew | 0:80ee8f3b695e | 1016 | } |
EricLew | 0:80ee8f3b695e | 1017 | |
EricLew | 0:80ee8f3b695e | 1018 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 1019 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1020 | { |
EricLew | 0:80ee8f3b695e | 1021 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 1022 | } |
EricLew | 0:80ee8f3b695e | 1023 | |
EricLew | 0:80ee8f3b695e | 1024 | /* Enable TXE and ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 1025 | __HAL_SPI_ENABLE_IT(hspi,(SPI_IT_TXE)); |
EricLew | 0:80ee8f3b695e | 1026 | |
EricLew | 0:80ee8f3b695e | 1027 | |
EricLew | 0:80ee8f3b695e | 1028 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 1029 | if((hspi->Instance->CR1 &SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 1030 | { |
EricLew | 0:80ee8f3b695e | 1031 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 1032 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 1033 | } |
EricLew | 0:80ee8f3b695e | 1034 | |
EricLew | 0:80ee8f3b695e | 1035 | error : |
EricLew | 0:80ee8f3b695e | 1036 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1037 | return errorcode; |
EricLew | 0:80ee8f3b695e | 1038 | } |
EricLew | 0:80ee8f3b695e | 1039 | |
EricLew | 0:80ee8f3b695e | 1040 | /** |
EricLew | 0:80ee8f3b695e | 1041 | * @brief Receive an amount of data in non-blocking mode with Interrupt. |
EricLew | 0:80ee8f3b695e | 1042 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1043 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1044 | * @param pData: pointer to data buffer |
EricLew | 0:80ee8f3b695e | 1045 | * @param Size: amount of data to be sent |
EricLew | 0:80ee8f3b695e | 1046 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1047 | */ |
EricLew | 0:80ee8f3b695e | 1048 | HAL_StatusTypeDef HAL_SPI_Receive_IT(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) |
EricLew | 0:80ee8f3b695e | 1049 | { |
EricLew | 0:80ee8f3b695e | 1050 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 1051 | |
EricLew | 0:80ee8f3b695e | 1052 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 1053 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1054 | |
EricLew | 0:80ee8f3b695e | 1055 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 1056 | { |
EricLew | 0:80ee8f3b695e | 1057 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 1058 | goto error; |
EricLew | 0:80ee8f3b695e | 1059 | } |
EricLew | 0:80ee8f3b695e | 1060 | if((pData == NULL) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 1061 | { |
EricLew | 0:80ee8f3b695e | 1062 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 1063 | goto error; |
EricLew | 0:80ee8f3b695e | 1064 | } |
EricLew | 0:80ee8f3b695e | 1065 | |
EricLew | 0:80ee8f3b695e | 1066 | /* Configure communication */ |
EricLew | 0:80ee8f3b695e | 1067 | hspi->State = HAL_SPI_STATE_BUSY_RX; |
EricLew | 0:80ee8f3b695e | 1068 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 1069 | hspi->pRxBuffPtr = pData; |
EricLew | 0:80ee8f3b695e | 1070 | hspi->RxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1071 | hspi->RxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1072 | hspi->pTxBuffPtr = (uint8_t *)NULL; |
EricLew | 0:80ee8f3b695e | 1073 | hspi->TxXferSize = 0; |
EricLew | 0:80ee8f3b695e | 1074 | hspi->TxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 1075 | |
EricLew | 0:80ee8f3b695e | 1076 | if((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES)) |
EricLew | 0:80ee8f3b695e | 1077 | { |
EricLew | 0:80ee8f3b695e | 1078 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1079 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1080 | /* the receive process is not supported in 2Lines direction master mode */ |
EricLew | 0:80ee8f3b695e | 1081 | /* in this we call the TransmitReceive process */ |
EricLew | 0:80ee8f3b695e | 1082 | return HAL_SPI_TransmitReceive_IT(hspi,pData,pData,Size); |
EricLew | 0:80ee8f3b695e | 1083 | } |
EricLew | 0:80ee8f3b695e | 1084 | |
EricLew | 0:80ee8f3b695e | 1085 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1086 | { |
EricLew | 0:80ee8f3b695e | 1087 | hspi->CRCSize = 1; |
EricLew | 0:80ee8f3b695e | 1088 | if((hspi->Init.DataSize <= SPI_DATASIZE_8BIT) && (hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT)) |
EricLew | 0:80ee8f3b695e | 1089 | { |
EricLew | 0:80ee8f3b695e | 1090 | hspi->CRCSize = 2; |
EricLew | 0:80ee8f3b695e | 1091 | } |
EricLew | 0:80ee8f3b695e | 1092 | } |
EricLew | 0:80ee8f3b695e | 1093 | else |
EricLew | 0:80ee8f3b695e | 1094 | { |
EricLew | 0:80ee8f3b695e | 1095 | hspi->CRCSize = 0; |
EricLew | 0:80ee8f3b695e | 1096 | } |
EricLew | 0:80ee8f3b695e | 1097 | |
EricLew | 0:80ee8f3b695e | 1098 | hspi->TxISR = NULL; |
EricLew | 0:80ee8f3b695e | 1099 | /* check the data size to adapt Rx threshold and the set the function for IT treatment */ |
EricLew | 0:80ee8f3b695e | 1100 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT ) |
EricLew | 0:80ee8f3b695e | 1101 | { |
EricLew | 0:80ee8f3b695e | 1102 | /* set fiforxthresold according the reception data length: 16 bit */ |
EricLew | 0:80ee8f3b695e | 1103 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1104 | hspi->RxISR = SPI_RxISR_16BIT; |
EricLew | 0:80ee8f3b695e | 1105 | } |
EricLew | 0:80ee8f3b695e | 1106 | else |
EricLew | 0:80ee8f3b695e | 1107 | { |
EricLew | 0:80ee8f3b695e | 1108 | /* set fiforxthresold according the reception data length: 8 bit */ |
EricLew | 0:80ee8f3b695e | 1109 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1110 | hspi->RxISR = SPI_RxISR_8BIT; |
EricLew | 0:80ee8f3b695e | 1111 | } |
EricLew | 0:80ee8f3b695e | 1112 | |
EricLew | 0:80ee8f3b695e | 1113 | /* Configure communication direction : 1Line */ |
EricLew | 0:80ee8f3b695e | 1114 | if(hspi->Init.Direction == SPI_DIRECTION_1LINE) |
EricLew | 0:80ee8f3b695e | 1115 | { |
EricLew | 0:80ee8f3b695e | 1116 | SPI_1LINE_RX(hspi); |
EricLew | 0:80ee8f3b695e | 1117 | } |
EricLew | 0:80ee8f3b695e | 1118 | |
EricLew | 0:80ee8f3b695e | 1119 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 1120 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1121 | { |
EricLew | 0:80ee8f3b695e | 1122 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 1123 | } |
EricLew | 0:80ee8f3b695e | 1124 | |
EricLew | 0:80ee8f3b695e | 1125 | /* Enable TXE and ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 1126 | __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_RXNE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 1127 | |
EricLew | 0:80ee8f3b695e | 1128 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 1129 | if((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 1130 | { |
EricLew | 0:80ee8f3b695e | 1131 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 1132 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 1133 | } |
EricLew | 0:80ee8f3b695e | 1134 | |
EricLew | 0:80ee8f3b695e | 1135 | error : |
EricLew | 0:80ee8f3b695e | 1136 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1137 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1138 | return errorcode; |
EricLew | 0:80ee8f3b695e | 1139 | } |
EricLew | 0:80ee8f3b695e | 1140 | |
EricLew | 0:80ee8f3b695e | 1141 | /** |
EricLew | 0:80ee8f3b695e | 1142 | * @brief Transmit and Receive an amount of data in non-blocking mode with Interrupt. |
EricLew | 0:80ee8f3b695e | 1143 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1144 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1145 | * @param pTxData: pointer to transmission data buffer |
EricLew | 0:80ee8f3b695e | 1146 | * @param pRxData: pointer to reception data buffer |
EricLew | 0:80ee8f3b695e | 1147 | * @param Size: amount of data to be sent and received |
EricLew | 0:80ee8f3b695e | 1148 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1149 | */ |
EricLew | 0:80ee8f3b695e | 1150 | HAL_StatusTypeDef HAL_SPI_TransmitReceive_IT(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
EricLew | 0:80ee8f3b695e | 1151 | { |
EricLew | 0:80ee8f3b695e | 1152 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 1153 | assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 1154 | |
EricLew | 0:80ee8f3b695e | 1155 | /* Process locked */ |
EricLew | 0:80ee8f3b695e | 1156 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1157 | |
EricLew | 0:80ee8f3b695e | 1158 | if(!((hspi->State == HAL_SPI_STATE_READY) || \ |
EricLew | 0:80ee8f3b695e | 1159 | ((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES) && (hspi->State == HAL_SPI_STATE_BUSY_RX)))) |
EricLew | 0:80ee8f3b695e | 1160 | { |
EricLew | 0:80ee8f3b695e | 1161 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 1162 | goto error; |
EricLew | 0:80ee8f3b695e | 1163 | } |
EricLew | 0:80ee8f3b695e | 1164 | |
EricLew | 0:80ee8f3b695e | 1165 | if((pTxData == NULL ) || (pRxData == NULL ) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 1166 | { |
EricLew | 0:80ee8f3b695e | 1167 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 1168 | goto error; |
EricLew | 0:80ee8f3b695e | 1169 | } |
EricLew | 0:80ee8f3b695e | 1170 | |
EricLew | 0:80ee8f3b695e | 1171 | hspi->CRCSize = 0; |
EricLew | 0:80ee8f3b695e | 1172 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1173 | { |
EricLew | 0:80ee8f3b695e | 1174 | hspi->CRCSize = 1; |
EricLew | 0:80ee8f3b695e | 1175 | if((hspi->Init.DataSize <= SPI_DATASIZE_8BIT) && (hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT)) |
EricLew | 0:80ee8f3b695e | 1176 | { |
EricLew | 0:80ee8f3b695e | 1177 | hspi->CRCSize = 2; |
EricLew | 0:80ee8f3b695e | 1178 | } |
EricLew | 0:80ee8f3b695e | 1179 | } |
EricLew | 0:80ee8f3b695e | 1180 | |
EricLew | 0:80ee8f3b695e | 1181 | if(hspi->State != HAL_SPI_STATE_BUSY_RX) |
EricLew | 0:80ee8f3b695e | 1182 | { |
EricLew | 0:80ee8f3b695e | 1183 | hspi->State = HAL_SPI_STATE_BUSY_TX_RX; |
EricLew | 0:80ee8f3b695e | 1184 | } |
EricLew | 0:80ee8f3b695e | 1185 | |
EricLew | 0:80ee8f3b695e | 1186 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 1187 | hspi->pTxBuffPtr = pTxData; |
EricLew | 0:80ee8f3b695e | 1188 | hspi->TxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1189 | hspi->TxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1190 | hspi->pRxBuffPtr = pRxData; |
EricLew | 0:80ee8f3b695e | 1191 | hspi->RxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1192 | hspi->RxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1193 | |
EricLew | 0:80ee8f3b695e | 1194 | /* Set the function for IT treatment */ |
EricLew | 0:80ee8f3b695e | 1195 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT ) |
EricLew | 0:80ee8f3b695e | 1196 | { |
EricLew | 0:80ee8f3b695e | 1197 | hspi->RxISR = SPI_2linesRxISR_16BIT; |
EricLew | 0:80ee8f3b695e | 1198 | hspi->TxISR = SPI_2linesTxISR_16BIT; |
EricLew | 0:80ee8f3b695e | 1199 | } |
EricLew | 0:80ee8f3b695e | 1200 | else |
EricLew | 0:80ee8f3b695e | 1201 | { |
EricLew | 0:80ee8f3b695e | 1202 | hspi->RxISR = SPI_2linesRxISR_8BIT; |
EricLew | 0:80ee8f3b695e | 1203 | hspi->TxISR = SPI_2linesTxISR_8BIT; |
EricLew | 0:80ee8f3b695e | 1204 | } |
EricLew | 0:80ee8f3b695e | 1205 | |
EricLew | 0:80ee8f3b695e | 1206 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 1207 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1208 | { |
EricLew | 0:80ee8f3b695e | 1209 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 1210 | } |
EricLew | 0:80ee8f3b695e | 1211 | |
EricLew | 0:80ee8f3b695e | 1212 | /* check if packing mode is enabled and if there is more than 2 data to receive */ |
EricLew | 0:80ee8f3b695e | 1213 | if((hspi->Init.DataSize > SPI_DATASIZE_8BIT) || (hspi->RxXferCount >= 2)) |
EricLew | 0:80ee8f3b695e | 1214 | { |
EricLew | 0:80ee8f3b695e | 1215 | /* set fiforxthresold according the reception data length: 16 bit */ |
EricLew | 0:80ee8f3b695e | 1216 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1217 | } |
EricLew | 0:80ee8f3b695e | 1218 | else |
EricLew | 0:80ee8f3b695e | 1219 | { |
EricLew | 0:80ee8f3b695e | 1220 | /* set fiforxthresold according the reception data length: 8 bit */ |
EricLew | 0:80ee8f3b695e | 1221 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1222 | } |
EricLew | 0:80ee8f3b695e | 1223 | |
EricLew | 0:80ee8f3b695e | 1224 | /* Enable TXE, RXNE and ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 1225 | __HAL_SPI_ENABLE_IT(hspi, (SPI_IT_TXE | SPI_IT_RXNE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 1226 | |
EricLew | 0:80ee8f3b695e | 1227 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 1228 | if((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 1229 | { |
EricLew | 0:80ee8f3b695e | 1230 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 1231 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 1232 | } |
EricLew | 0:80ee8f3b695e | 1233 | |
EricLew | 0:80ee8f3b695e | 1234 | error : |
EricLew | 0:80ee8f3b695e | 1235 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1236 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1237 | return errorcode; |
EricLew | 0:80ee8f3b695e | 1238 | } |
EricLew | 0:80ee8f3b695e | 1239 | |
EricLew | 0:80ee8f3b695e | 1240 | /** |
EricLew | 0:80ee8f3b695e | 1241 | * @brief Transmit an amount of data in non-blocking mode with DMA. |
EricLew | 0:80ee8f3b695e | 1242 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1243 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1244 | * @param pData: pointer to data buffer |
EricLew | 0:80ee8f3b695e | 1245 | * @param Size: amount of data to be sent |
EricLew | 0:80ee8f3b695e | 1246 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1247 | */ |
EricLew | 0:80ee8f3b695e | 1248 | HAL_StatusTypeDef HAL_SPI_Transmit_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) |
EricLew | 0:80ee8f3b695e | 1249 | { |
EricLew | 0:80ee8f3b695e | 1250 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 1251 | assert_param(IS_SPI_DIRECTION_2LINES_OR_1LINE(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 1252 | |
EricLew | 0:80ee8f3b695e | 1253 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 1254 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1255 | |
EricLew | 0:80ee8f3b695e | 1256 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 1257 | { |
EricLew | 0:80ee8f3b695e | 1258 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 1259 | goto error; |
EricLew | 0:80ee8f3b695e | 1260 | } |
EricLew | 0:80ee8f3b695e | 1261 | |
EricLew | 0:80ee8f3b695e | 1262 | if((pData == NULL) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 1263 | { |
EricLew | 0:80ee8f3b695e | 1264 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 1265 | goto error; |
EricLew | 0:80ee8f3b695e | 1266 | } |
EricLew | 0:80ee8f3b695e | 1267 | |
EricLew | 0:80ee8f3b695e | 1268 | hspi->State = HAL_SPI_STATE_BUSY_TX; |
EricLew | 0:80ee8f3b695e | 1269 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 1270 | hspi->pTxBuffPtr = pData; |
EricLew | 0:80ee8f3b695e | 1271 | hspi->TxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1272 | hspi->TxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1273 | hspi->pRxBuffPtr = (uint8_t *)NULL; |
EricLew | 0:80ee8f3b695e | 1274 | hspi->RxXferSize = 0; |
EricLew | 0:80ee8f3b695e | 1275 | hspi->RxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 1276 | |
EricLew | 0:80ee8f3b695e | 1277 | /* Configure communication direction : 1Line */ |
EricLew | 0:80ee8f3b695e | 1278 | if(hspi->Init.Direction == SPI_DIRECTION_1LINE) |
EricLew | 0:80ee8f3b695e | 1279 | { |
EricLew | 0:80ee8f3b695e | 1280 | SPI_1LINE_TX(hspi); |
EricLew | 0:80ee8f3b695e | 1281 | } |
EricLew | 0:80ee8f3b695e | 1282 | |
EricLew | 0:80ee8f3b695e | 1283 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 1284 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1285 | { |
EricLew | 0:80ee8f3b695e | 1286 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 1287 | } |
EricLew | 0:80ee8f3b695e | 1288 | |
EricLew | 0:80ee8f3b695e | 1289 | /* Set the SPI TxDMA Half transfer complete callback */ |
EricLew | 0:80ee8f3b695e | 1290 | hspi->hdmatx->XferHalfCpltCallback = SPI_DMAHalfTransmitCplt; |
EricLew | 0:80ee8f3b695e | 1291 | |
EricLew | 0:80ee8f3b695e | 1292 | /* Set the SPI TxDMA transfer complete callback */ |
EricLew | 0:80ee8f3b695e | 1293 | hspi->hdmatx->XferCpltCallback = SPI_DMATransmitCplt; |
EricLew | 0:80ee8f3b695e | 1294 | |
EricLew | 0:80ee8f3b695e | 1295 | /* Set the DMA error callback */ |
EricLew | 0:80ee8f3b695e | 1296 | hspi->hdmatx->XferErrorCallback = SPI_DMAError; |
EricLew | 0:80ee8f3b695e | 1297 | |
EricLew | 0:80ee8f3b695e | 1298 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_LDMATX); |
EricLew | 0:80ee8f3b695e | 1299 | /* packing mode is enabled only if the DMA setting is HALWORD */ |
EricLew | 0:80ee8f3b695e | 1300 | if((hspi->Init.DataSize <= SPI_DATASIZE_8BIT) && (hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD)) |
EricLew | 0:80ee8f3b695e | 1301 | { |
EricLew | 0:80ee8f3b695e | 1302 | /* Check the even/odd of the data size + crc if enabled */ |
EricLew | 0:80ee8f3b695e | 1303 | if((hspi->TxXferCount & 0x1) == 0) |
EricLew | 0:80ee8f3b695e | 1304 | { |
EricLew | 0:80ee8f3b695e | 1305 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_LDMATX); |
EricLew | 0:80ee8f3b695e | 1306 | hspi->TxXferCount = (hspi->TxXferCount >> 1); |
EricLew | 0:80ee8f3b695e | 1307 | } |
EricLew | 0:80ee8f3b695e | 1308 | else |
EricLew | 0:80ee8f3b695e | 1309 | { |
EricLew | 0:80ee8f3b695e | 1310 | SET_BIT(hspi->Instance->CR2, SPI_CR2_LDMATX); |
EricLew | 0:80ee8f3b695e | 1311 | hspi->TxXferCount = (hspi->TxXferCount >> 1) + 1; |
EricLew | 0:80ee8f3b695e | 1312 | } |
EricLew | 0:80ee8f3b695e | 1313 | } |
EricLew | 0:80ee8f3b695e | 1314 | |
EricLew | 0:80ee8f3b695e | 1315 | /* Enable the Tx DMA channel */ |
EricLew | 0:80ee8f3b695e | 1316 | HAL_DMA_Start_IT(hspi->hdmatx, (uint32_t)hspi->pTxBuffPtr, (uint32_t)&hspi->Instance->DR, hspi->TxXferCount); |
EricLew | 0:80ee8f3b695e | 1317 | |
EricLew | 0:80ee8f3b695e | 1318 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 1319 | if((hspi->Instance->CR1 &SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 1320 | { |
EricLew | 0:80ee8f3b695e | 1321 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 1322 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 1323 | } |
EricLew | 0:80ee8f3b695e | 1324 | |
EricLew | 0:80ee8f3b695e | 1325 | /* Enable Tx DMA Request */ |
EricLew | 0:80ee8f3b695e | 1326 | SET_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN); |
EricLew | 0:80ee8f3b695e | 1327 | |
EricLew | 0:80ee8f3b695e | 1328 | error : |
EricLew | 0:80ee8f3b695e | 1329 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1330 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1331 | return errorcode; |
EricLew | 0:80ee8f3b695e | 1332 | } |
EricLew | 0:80ee8f3b695e | 1333 | |
EricLew | 0:80ee8f3b695e | 1334 | /** |
EricLew | 0:80ee8f3b695e | 1335 | * @brief Receive an amount of data in non-blocking mode with DMA. |
EricLew | 0:80ee8f3b695e | 1336 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1337 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1338 | * @param pData: pointer to data buffer |
EricLew | 0:80ee8f3b695e | 1339 | * @note When the CRC feature is enabled the pData Length must be Size + 1. |
EricLew | 0:80ee8f3b695e | 1340 | * @param Size: amount of data to be sent |
EricLew | 0:80ee8f3b695e | 1341 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1342 | */ |
EricLew | 0:80ee8f3b695e | 1343 | HAL_StatusTypeDef HAL_SPI_Receive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pData, uint16_t Size) |
EricLew | 0:80ee8f3b695e | 1344 | { |
EricLew | 0:80ee8f3b695e | 1345 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 1346 | |
EricLew | 0:80ee8f3b695e | 1347 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 1348 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1349 | |
EricLew | 0:80ee8f3b695e | 1350 | if(hspi->State != HAL_SPI_STATE_READY) |
EricLew | 0:80ee8f3b695e | 1351 | { |
EricLew | 0:80ee8f3b695e | 1352 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 1353 | goto error; |
EricLew | 0:80ee8f3b695e | 1354 | } |
EricLew | 0:80ee8f3b695e | 1355 | |
EricLew | 0:80ee8f3b695e | 1356 | if((pData == NULL) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 1357 | { |
EricLew | 0:80ee8f3b695e | 1358 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 1359 | goto error; |
EricLew | 0:80ee8f3b695e | 1360 | } |
EricLew | 0:80ee8f3b695e | 1361 | |
EricLew | 0:80ee8f3b695e | 1362 | hspi->State = HAL_SPI_STATE_BUSY_RX; |
EricLew | 0:80ee8f3b695e | 1363 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 1364 | hspi->pRxBuffPtr = pData; |
EricLew | 0:80ee8f3b695e | 1365 | hspi->RxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1366 | hspi->RxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1367 | hspi->pTxBuffPtr = (uint8_t *)NULL; |
EricLew | 0:80ee8f3b695e | 1368 | hspi->TxXferSize = 0; |
EricLew | 0:80ee8f3b695e | 1369 | hspi->TxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 1370 | |
EricLew | 0:80ee8f3b695e | 1371 | if((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES)) |
EricLew | 0:80ee8f3b695e | 1372 | { |
EricLew | 0:80ee8f3b695e | 1373 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1374 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1375 | /* the receive process is not supported in 2Lines direction master mode */ |
EricLew | 0:80ee8f3b695e | 1376 | /* in this case we call the TransmitReceive process */ |
EricLew | 0:80ee8f3b695e | 1377 | return HAL_SPI_TransmitReceive_DMA(hspi,pData,pData,Size); |
EricLew | 0:80ee8f3b695e | 1378 | } |
EricLew | 0:80ee8f3b695e | 1379 | |
EricLew | 0:80ee8f3b695e | 1380 | /* Configure communication direction : 1Line */ |
EricLew | 0:80ee8f3b695e | 1381 | if(hspi->Init.Direction == SPI_DIRECTION_1LINE) |
EricLew | 0:80ee8f3b695e | 1382 | { |
EricLew | 0:80ee8f3b695e | 1383 | SPI_1LINE_RX(hspi); |
EricLew | 0:80ee8f3b695e | 1384 | } |
EricLew | 0:80ee8f3b695e | 1385 | |
EricLew | 0:80ee8f3b695e | 1386 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 1387 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1388 | { |
EricLew | 0:80ee8f3b695e | 1389 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 1390 | } |
EricLew | 0:80ee8f3b695e | 1391 | |
EricLew | 0:80ee8f3b695e | 1392 | /* packing mode management is enabled by the DMA settings */ |
EricLew | 0:80ee8f3b695e | 1393 | if((hspi->Init.DataSize <= SPI_DATASIZE_8BIT) && (hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD)) |
EricLew | 0:80ee8f3b695e | 1394 | { |
EricLew | 0:80ee8f3b695e | 1395 | /* Restriction the DMA data received is not allowed in this mode */ |
EricLew | 0:80ee8f3b695e | 1396 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 1397 | goto error; |
EricLew | 0:80ee8f3b695e | 1398 | } |
EricLew | 0:80ee8f3b695e | 1399 | |
EricLew | 0:80ee8f3b695e | 1400 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_LDMARX); |
EricLew | 0:80ee8f3b695e | 1401 | if( hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 1402 | { |
EricLew | 0:80ee8f3b695e | 1403 | /* set fiforxthresold according the reception data length: 16bit */ |
EricLew | 0:80ee8f3b695e | 1404 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1405 | } |
EricLew | 0:80ee8f3b695e | 1406 | else |
EricLew | 0:80ee8f3b695e | 1407 | { |
EricLew | 0:80ee8f3b695e | 1408 | /* set fiforxthresold according the reception data length: 8bit */ |
EricLew | 0:80ee8f3b695e | 1409 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1410 | } |
EricLew | 0:80ee8f3b695e | 1411 | |
EricLew | 0:80ee8f3b695e | 1412 | /* Set the SPI RxDMA Half transfer complete callback */ |
EricLew | 0:80ee8f3b695e | 1413 | hspi->hdmarx->XferHalfCpltCallback = SPI_DMAHalfReceiveCplt; |
EricLew | 0:80ee8f3b695e | 1414 | |
EricLew | 0:80ee8f3b695e | 1415 | /* Set the SPI Rx DMA transfer complete callback */ |
EricLew | 0:80ee8f3b695e | 1416 | hspi->hdmarx->XferCpltCallback = SPI_DMAReceiveCplt; |
EricLew | 0:80ee8f3b695e | 1417 | |
EricLew | 0:80ee8f3b695e | 1418 | /* Set the DMA error callback */ |
EricLew | 0:80ee8f3b695e | 1419 | hspi->hdmarx->XferErrorCallback = SPI_DMAError; |
EricLew | 0:80ee8f3b695e | 1420 | |
EricLew | 0:80ee8f3b695e | 1421 | /* Enable Rx DMA Request */ |
EricLew | 0:80ee8f3b695e | 1422 | SET_BIT(hspi->Instance->CR2, SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 1423 | |
EricLew | 0:80ee8f3b695e | 1424 | /* Enable the Rx DMA channel */ |
EricLew | 0:80ee8f3b695e | 1425 | HAL_DMA_Start_IT(hspi->hdmarx, (uint32_t)&hspi->Instance->DR, (uint32_t)hspi->pRxBuffPtr, hspi->RxXferCount); |
EricLew | 0:80ee8f3b695e | 1426 | |
EricLew | 0:80ee8f3b695e | 1427 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 1428 | if((hspi->Instance->CR1 & SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 1429 | { |
EricLew | 0:80ee8f3b695e | 1430 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 1431 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 1432 | } |
EricLew | 0:80ee8f3b695e | 1433 | |
EricLew | 0:80ee8f3b695e | 1434 | error: |
EricLew | 0:80ee8f3b695e | 1435 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1436 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1437 | return errorcode; |
EricLew | 0:80ee8f3b695e | 1438 | } |
EricLew | 0:80ee8f3b695e | 1439 | |
EricLew | 0:80ee8f3b695e | 1440 | /** |
EricLew | 0:80ee8f3b695e | 1441 | * @brief Transmit and Receive an amount of data in non-blocking mode with DMA. |
EricLew | 0:80ee8f3b695e | 1442 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1443 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1444 | * @param pTxData: pointer to transmission data buffer |
EricLew | 0:80ee8f3b695e | 1445 | * @param pRxData: pointer to reception data buffer |
EricLew | 0:80ee8f3b695e | 1446 | * @note When the CRC feature is enabled the pRxData Length must be Size + 1 |
EricLew | 0:80ee8f3b695e | 1447 | * @param Size: amount of data to be sent |
EricLew | 0:80ee8f3b695e | 1448 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1449 | */ |
EricLew | 0:80ee8f3b695e | 1450 | HAL_StatusTypeDef HAL_SPI_TransmitReceive_DMA(SPI_HandleTypeDef *hspi, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
EricLew | 0:80ee8f3b695e | 1451 | { |
EricLew | 0:80ee8f3b695e | 1452 | HAL_StatusTypeDef errorcode = HAL_OK; |
EricLew | 0:80ee8f3b695e | 1453 | assert_param(IS_SPI_DIRECTION_2LINES(hspi->Init.Direction)); |
EricLew | 0:80ee8f3b695e | 1454 | |
EricLew | 0:80ee8f3b695e | 1455 | /* Process locked */ |
EricLew | 0:80ee8f3b695e | 1456 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1457 | |
EricLew | 0:80ee8f3b695e | 1458 | if(!((hspi->State == HAL_SPI_STATE_READY) || |
EricLew | 0:80ee8f3b695e | 1459 | ((hspi->Init.Mode == SPI_MODE_MASTER) && (hspi->Init.Direction == SPI_DIRECTION_2LINES) && (hspi->State == HAL_SPI_STATE_BUSY_RX)))) |
EricLew | 0:80ee8f3b695e | 1460 | { |
EricLew | 0:80ee8f3b695e | 1461 | errorcode = HAL_BUSY; |
EricLew | 0:80ee8f3b695e | 1462 | goto error; |
EricLew | 0:80ee8f3b695e | 1463 | } |
EricLew | 0:80ee8f3b695e | 1464 | |
EricLew | 0:80ee8f3b695e | 1465 | if((pTxData == NULL ) || (pRxData == NULL ) || (Size == 0)) |
EricLew | 0:80ee8f3b695e | 1466 | { |
EricLew | 0:80ee8f3b695e | 1467 | errorcode = HAL_ERROR; |
EricLew | 0:80ee8f3b695e | 1468 | goto error; |
EricLew | 0:80ee8f3b695e | 1469 | } |
EricLew | 0:80ee8f3b695e | 1470 | |
EricLew | 0:80ee8f3b695e | 1471 | /* check if the transmit Receive function is not called by a receive master */ |
EricLew | 0:80ee8f3b695e | 1472 | if(hspi->State != HAL_SPI_STATE_BUSY_RX) |
EricLew | 0:80ee8f3b695e | 1473 | { |
EricLew | 0:80ee8f3b695e | 1474 | hspi->State = HAL_SPI_STATE_BUSY_TX_RX; |
EricLew | 0:80ee8f3b695e | 1475 | } |
EricLew | 0:80ee8f3b695e | 1476 | |
EricLew | 0:80ee8f3b695e | 1477 | hspi->ErrorCode = HAL_SPI_ERROR_NONE; |
EricLew | 0:80ee8f3b695e | 1478 | hspi->pTxBuffPtr = (uint8_t *)pTxData; |
EricLew | 0:80ee8f3b695e | 1479 | hspi->TxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1480 | hspi->TxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1481 | hspi->pRxBuffPtr = (uint8_t *)pRxData; |
EricLew | 0:80ee8f3b695e | 1482 | hspi->RxXferSize = Size; |
EricLew | 0:80ee8f3b695e | 1483 | hspi->RxXferCount = Size; |
EricLew | 0:80ee8f3b695e | 1484 | |
EricLew | 0:80ee8f3b695e | 1485 | /* Reset CRC Calculation + increase the rxsize */ |
EricLew | 0:80ee8f3b695e | 1486 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1487 | { |
EricLew | 0:80ee8f3b695e | 1488 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 1489 | } |
EricLew | 0:80ee8f3b695e | 1490 | |
EricLew | 0:80ee8f3b695e | 1491 | /* Reset the threshold bit */ |
EricLew | 0:80ee8f3b695e | 1492 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_LDMATX | SPI_CR2_LDMARX); |
EricLew | 0:80ee8f3b695e | 1493 | |
EricLew | 0:80ee8f3b695e | 1494 | /* the packing mode management is enabled by the DMA settings according the spi data size */ |
EricLew | 0:80ee8f3b695e | 1495 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 1496 | { |
EricLew | 0:80ee8f3b695e | 1497 | /* set fiforxthreshold according the reception data length: 16bit */ |
EricLew | 0:80ee8f3b695e | 1498 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1499 | } |
EricLew | 0:80ee8f3b695e | 1500 | else |
EricLew | 0:80ee8f3b695e | 1501 | { |
EricLew | 0:80ee8f3b695e | 1502 | /* set fiforxthresold according the reception data length: 8bit */ |
EricLew | 0:80ee8f3b695e | 1503 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1504 | |
EricLew | 0:80ee8f3b695e | 1505 | if(hspi->hdmatx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD) |
EricLew | 0:80ee8f3b695e | 1506 | { |
EricLew | 0:80ee8f3b695e | 1507 | if((hspi->TxXferSize & 0x1) == 0x0) |
EricLew | 0:80ee8f3b695e | 1508 | { |
EricLew | 0:80ee8f3b695e | 1509 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_LDMATX); |
EricLew | 0:80ee8f3b695e | 1510 | hspi->TxXferCount = hspi->TxXferCount >> 1; |
EricLew | 0:80ee8f3b695e | 1511 | } |
EricLew | 0:80ee8f3b695e | 1512 | else |
EricLew | 0:80ee8f3b695e | 1513 | { |
EricLew | 0:80ee8f3b695e | 1514 | SET_BIT(hspi->Instance->CR2, SPI_CR2_LDMATX); |
EricLew | 0:80ee8f3b695e | 1515 | hspi->TxXferCount = (hspi->TxXferCount >> 1) + 1; |
EricLew | 0:80ee8f3b695e | 1516 | } |
EricLew | 0:80ee8f3b695e | 1517 | } |
EricLew | 0:80ee8f3b695e | 1518 | |
EricLew | 0:80ee8f3b695e | 1519 | if(hspi->hdmarx->Init.MemDataAlignment == DMA_MDATAALIGN_HALFWORD) |
EricLew | 0:80ee8f3b695e | 1520 | { |
EricLew | 0:80ee8f3b695e | 1521 | /* set fiforxthresold according the reception data length: 16bit */ |
EricLew | 0:80ee8f3b695e | 1522 | CLEAR_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 1523 | |
EricLew | 0:80ee8f3b695e | 1524 | if((hspi->RxXferCount & 0x1) == 0x0 ) |
EricLew | 0:80ee8f3b695e | 1525 | { |
EricLew | 0:80ee8f3b695e | 1526 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_LDMARX); |
EricLew | 0:80ee8f3b695e | 1527 | hspi->RxXferCount = hspi->RxXferCount >> 1; |
EricLew | 0:80ee8f3b695e | 1528 | } |
EricLew | 0:80ee8f3b695e | 1529 | else |
EricLew | 0:80ee8f3b695e | 1530 | { |
EricLew | 0:80ee8f3b695e | 1531 | SET_BIT(hspi->Instance->CR2, SPI_CR2_LDMARX); |
EricLew | 0:80ee8f3b695e | 1532 | hspi->RxXferCount = (hspi->RxXferCount >> 1) + 1; |
EricLew | 0:80ee8f3b695e | 1533 | } |
EricLew | 0:80ee8f3b695e | 1534 | } |
EricLew | 0:80ee8f3b695e | 1535 | } |
EricLew | 0:80ee8f3b695e | 1536 | |
EricLew | 0:80ee8f3b695e | 1537 | /* Set the SPI Rx DMA transfer complete callback if the transfer request is a |
EricLew | 0:80ee8f3b695e | 1538 | reception request (RXNE) */ |
EricLew | 0:80ee8f3b695e | 1539 | if(hspi->State == HAL_SPI_STATE_BUSY_RX) |
EricLew | 0:80ee8f3b695e | 1540 | { |
EricLew | 0:80ee8f3b695e | 1541 | /* Set the SPI Rx DMA Half transfer complete callback */ |
EricLew | 0:80ee8f3b695e | 1542 | hspi->hdmarx->XferHalfCpltCallback = SPI_DMAHalfReceiveCplt; |
EricLew | 0:80ee8f3b695e | 1543 | hspi->hdmarx->XferCpltCallback = SPI_DMAReceiveCplt; |
EricLew | 0:80ee8f3b695e | 1544 | } |
EricLew | 0:80ee8f3b695e | 1545 | else |
EricLew | 0:80ee8f3b695e | 1546 | { |
EricLew | 0:80ee8f3b695e | 1547 | /* Set the SPI Rx DMA Half transfer complete callback */ |
EricLew | 0:80ee8f3b695e | 1548 | hspi->hdmarx->XferHalfCpltCallback = SPI_DMAHalfTransmitReceiveCplt; |
EricLew | 0:80ee8f3b695e | 1549 | hspi->hdmarx->XferCpltCallback = SPI_DMATransmitReceiveCplt; |
EricLew | 0:80ee8f3b695e | 1550 | } |
EricLew | 0:80ee8f3b695e | 1551 | |
EricLew | 0:80ee8f3b695e | 1552 | /* Set the DMA error callback */ |
EricLew | 0:80ee8f3b695e | 1553 | hspi->hdmarx->XferErrorCallback = SPI_DMAError; |
EricLew | 0:80ee8f3b695e | 1554 | |
EricLew | 0:80ee8f3b695e | 1555 | /* Enable Rx DMA Request */ |
EricLew | 0:80ee8f3b695e | 1556 | SET_BIT(hspi->Instance->CR2, SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 1557 | |
EricLew | 0:80ee8f3b695e | 1558 | /* Enable the Rx DMA channel */ |
EricLew | 0:80ee8f3b695e | 1559 | HAL_DMA_Start_IT(hspi->hdmarx, (uint32_t)&hspi->Instance->DR, (uint32_t) hspi->pRxBuffPtr, hspi->RxXferCount); |
EricLew | 0:80ee8f3b695e | 1560 | |
EricLew | 0:80ee8f3b695e | 1561 | /* Set the SPI Tx DMA transfer complete callback as NULL because the communication closing |
EricLew | 0:80ee8f3b695e | 1562 | is performed in DMA reception complete callback */ |
EricLew | 0:80ee8f3b695e | 1563 | hspi->hdmatx->XferHalfCpltCallback = NULL; |
EricLew | 0:80ee8f3b695e | 1564 | hspi->hdmatx->XferCpltCallback = NULL; |
EricLew | 0:80ee8f3b695e | 1565 | |
EricLew | 0:80ee8f3b695e | 1566 | /* Set the DMA error callback */ |
EricLew | 0:80ee8f3b695e | 1567 | hspi->hdmatx->XferErrorCallback = SPI_DMAError; |
EricLew | 0:80ee8f3b695e | 1568 | |
EricLew | 0:80ee8f3b695e | 1569 | /* Enable the Tx DMA channel */ |
EricLew | 0:80ee8f3b695e | 1570 | HAL_DMA_Start_IT(hspi->hdmatx, (uint32_t)hspi->pTxBuffPtr, (uint32_t)&hspi->Instance->DR, hspi->TxXferCount); |
EricLew | 0:80ee8f3b695e | 1571 | |
EricLew | 0:80ee8f3b695e | 1572 | /* Check if the SPI is already enabled */ |
EricLew | 0:80ee8f3b695e | 1573 | if((hspi->Instance->CR1 &SPI_CR1_SPE) != SPI_CR1_SPE) |
EricLew | 0:80ee8f3b695e | 1574 | { |
EricLew | 0:80ee8f3b695e | 1575 | /* Enable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 1576 | __HAL_SPI_ENABLE(hspi); |
EricLew | 0:80ee8f3b695e | 1577 | } |
EricLew | 0:80ee8f3b695e | 1578 | |
EricLew | 0:80ee8f3b695e | 1579 | /* Enable Tx DMA Request */ |
EricLew | 0:80ee8f3b695e | 1580 | SET_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN); |
EricLew | 0:80ee8f3b695e | 1581 | |
EricLew | 0:80ee8f3b695e | 1582 | error : |
EricLew | 0:80ee8f3b695e | 1583 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1584 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1585 | return errorcode; |
EricLew | 0:80ee8f3b695e | 1586 | } |
EricLew | 0:80ee8f3b695e | 1587 | |
EricLew | 0:80ee8f3b695e | 1588 | /** |
EricLew | 0:80ee8f3b695e | 1589 | * @brief Pause the DMA Transfer. |
EricLew | 0:80ee8f3b695e | 1590 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1591 | * the configuration information for the specified SPI module. |
EricLew | 0:80ee8f3b695e | 1592 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1593 | */ |
EricLew | 0:80ee8f3b695e | 1594 | HAL_StatusTypeDef HAL_SPI_DMAPause(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1595 | { |
EricLew | 0:80ee8f3b695e | 1596 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 1597 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1598 | |
EricLew | 0:80ee8f3b695e | 1599 | /* Disable the SPI DMA Tx & Rx requests */ |
EricLew | 0:80ee8f3b695e | 1600 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 1601 | |
EricLew | 0:80ee8f3b695e | 1602 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1603 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1604 | |
EricLew | 0:80ee8f3b695e | 1605 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 1606 | } |
EricLew | 0:80ee8f3b695e | 1607 | |
EricLew | 0:80ee8f3b695e | 1608 | /** |
EricLew | 0:80ee8f3b695e | 1609 | * @brief Resume the DMA Transfer. |
EricLew | 0:80ee8f3b695e | 1610 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1611 | * the configuration information for the specified SPI module. |
EricLew | 0:80ee8f3b695e | 1612 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1613 | */ |
EricLew | 0:80ee8f3b695e | 1614 | HAL_StatusTypeDef HAL_SPI_DMAResume(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1615 | { |
EricLew | 0:80ee8f3b695e | 1616 | /* Process Locked */ |
EricLew | 0:80ee8f3b695e | 1617 | __HAL_LOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1618 | |
EricLew | 0:80ee8f3b695e | 1619 | /* Enable the SPI DMA Tx & Rx requests */ |
EricLew | 0:80ee8f3b695e | 1620 | SET_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 1621 | |
EricLew | 0:80ee8f3b695e | 1622 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 1623 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 1624 | |
EricLew | 0:80ee8f3b695e | 1625 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 1626 | } |
EricLew | 0:80ee8f3b695e | 1627 | |
EricLew | 0:80ee8f3b695e | 1628 | /** |
EricLew | 0:80ee8f3b695e | 1629 | * @brief Stop the DMA Transfer. |
EricLew | 0:80ee8f3b695e | 1630 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1631 | * the configuration information for the specified SPI module. |
EricLew | 0:80ee8f3b695e | 1632 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 1633 | */ |
EricLew | 0:80ee8f3b695e | 1634 | HAL_StatusTypeDef HAL_SPI_DMAStop(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1635 | { |
EricLew | 0:80ee8f3b695e | 1636 | /* The Lock is not implemented on this API to allow the user application |
EricLew | 0:80ee8f3b695e | 1637 | to call the HAL SPI API under callbacks HAL_SPI_TxCpltCallback() or HAL_SPI_RxCpltCallback() or HAL_SPI_TxRxCpltCallback(): |
EricLew | 0:80ee8f3b695e | 1638 | when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated |
EricLew | 0:80ee8f3b695e | 1639 | and the correspond call back is executed HAL_SPI_TxCpltCallback() or HAL_SPI_RxCpltCallback() or HAL_SPI_TxRxCpltCallback() |
EricLew | 0:80ee8f3b695e | 1640 | */ |
EricLew | 0:80ee8f3b695e | 1641 | |
EricLew | 0:80ee8f3b695e | 1642 | /* Abort the SPI DMA tx channel */ |
EricLew | 0:80ee8f3b695e | 1643 | if(hspi->hdmatx != NULL) |
EricLew | 0:80ee8f3b695e | 1644 | { |
EricLew | 0:80ee8f3b695e | 1645 | HAL_DMA_Abort(hspi->hdmatx); |
EricLew | 0:80ee8f3b695e | 1646 | } |
EricLew | 0:80ee8f3b695e | 1647 | /* Abort the SPI DMA rx channel */ |
EricLew | 0:80ee8f3b695e | 1648 | if(hspi->hdmarx != NULL) |
EricLew | 0:80ee8f3b695e | 1649 | { |
EricLew | 0:80ee8f3b695e | 1650 | HAL_DMA_Abort(hspi->hdmarx); |
EricLew | 0:80ee8f3b695e | 1651 | } |
EricLew | 0:80ee8f3b695e | 1652 | |
EricLew | 0:80ee8f3b695e | 1653 | /* Disable the SPI DMA Tx & Rx requests */ |
EricLew | 0:80ee8f3b695e | 1654 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 1655 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 1656 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 1657 | } |
EricLew | 0:80ee8f3b695e | 1658 | |
EricLew | 0:80ee8f3b695e | 1659 | /** |
EricLew | 0:80ee8f3b695e | 1660 | * @brief Handle SPI interrupt request. |
EricLew | 0:80ee8f3b695e | 1661 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1662 | * the configuration information for the specified SPI module. |
EricLew | 0:80ee8f3b695e | 1663 | * @retval None |
EricLew | 0:80ee8f3b695e | 1664 | */ |
EricLew | 0:80ee8f3b695e | 1665 | void HAL_SPI_IRQHandler(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1666 | { |
EricLew | 0:80ee8f3b695e | 1667 | uint32_t itsource = hspi->Instance->CR2; |
EricLew | 0:80ee8f3b695e | 1668 | uint32_t itflag = hspi->Instance->SR; |
EricLew | 0:80ee8f3b695e | 1669 | |
EricLew | 0:80ee8f3b695e | 1670 | /* SPI in mode Receiver ----------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 1671 | if(((itflag & SPI_FLAG_OVR) == RESET) && |
EricLew | 0:80ee8f3b695e | 1672 | ((itflag & SPI_FLAG_RXNE) != RESET) && ((itsource & SPI_IT_RXNE) != RESET)) |
EricLew | 0:80ee8f3b695e | 1673 | { |
EricLew | 0:80ee8f3b695e | 1674 | hspi->RxISR(hspi); |
EricLew | 0:80ee8f3b695e | 1675 | return; |
EricLew | 0:80ee8f3b695e | 1676 | } |
EricLew | 0:80ee8f3b695e | 1677 | |
EricLew | 0:80ee8f3b695e | 1678 | /* SPI in mode Transmitter ---------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 1679 | if(((itflag & SPI_FLAG_TXE) != RESET) && ((itsource & SPI_IT_TXE) != RESET)) |
EricLew | 0:80ee8f3b695e | 1680 | { |
EricLew | 0:80ee8f3b695e | 1681 | hspi->TxISR(hspi); |
EricLew | 0:80ee8f3b695e | 1682 | return; |
EricLew | 0:80ee8f3b695e | 1683 | } |
EricLew | 0:80ee8f3b695e | 1684 | |
EricLew | 0:80ee8f3b695e | 1685 | /* SPI in Error Treatment ---------------------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 1686 | if((itflag & (SPI_FLAG_MODF | SPI_FLAG_OVR | SPI_FLAG_FRE)) != RESET) |
EricLew | 0:80ee8f3b695e | 1687 | { |
EricLew | 0:80ee8f3b695e | 1688 | /* SPI Overrun error interrupt occurred -------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 1689 | if((itflag & SPI_FLAG_OVR) != RESET) |
EricLew | 0:80ee8f3b695e | 1690 | { |
EricLew | 0:80ee8f3b695e | 1691 | if(hspi->State != HAL_SPI_STATE_BUSY_TX) |
EricLew | 0:80ee8f3b695e | 1692 | { |
EricLew | 0:80ee8f3b695e | 1693 | hspi->ErrorCode |= HAL_SPI_ERROR_OVR; |
EricLew | 0:80ee8f3b695e | 1694 | __HAL_SPI_CLEAR_OVRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 1695 | } |
EricLew | 0:80ee8f3b695e | 1696 | else |
EricLew | 0:80ee8f3b695e | 1697 | { |
EricLew | 0:80ee8f3b695e | 1698 | return; |
EricLew | 0:80ee8f3b695e | 1699 | } |
EricLew | 0:80ee8f3b695e | 1700 | } |
EricLew | 0:80ee8f3b695e | 1701 | |
EricLew | 0:80ee8f3b695e | 1702 | /* SPI Mode Fault error interrupt occurred -------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 1703 | if((itflag & SPI_FLAG_MODF) != RESET) |
EricLew | 0:80ee8f3b695e | 1704 | { |
EricLew | 0:80ee8f3b695e | 1705 | hspi->ErrorCode |= HAL_SPI_ERROR_MODF; |
EricLew | 0:80ee8f3b695e | 1706 | __HAL_SPI_CLEAR_MODFFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 1707 | } |
EricLew | 0:80ee8f3b695e | 1708 | |
EricLew | 0:80ee8f3b695e | 1709 | /* SPI Frame error interrupt occurred ----------------------------------------*/ |
EricLew | 0:80ee8f3b695e | 1710 | if((itflag & SPI_FLAG_FRE) != RESET) |
EricLew | 0:80ee8f3b695e | 1711 | { |
EricLew | 0:80ee8f3b695e | 1712 | hspi->ErrorCode |= HAL_SPI_ERROR_FRE; |
EricLew | 0:80ee8f3b695e | 1713 | __HAL_SPI_CLEAR_FREFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 1714 | } |
EricLew | 0:80ee8f3b695e | 1715 | |
EricLew | 0:80ee8f3b695e | 1716 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXNE | SPI_IT_TXE | SPI_IT_ERR); |
EricLew | 0:80ee8f3b695e | 1717 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 1718 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 1719 | return; |
EricLew | 0:80ee8f3b695e | 1720 | } |
EricLew | 0:80ee8f3b695e | 1721 | } |
EricLew | 0:80ee8f3b695e | 1722 | |
EricLew | 0:80ee8f3b695e | 1723 | /** |
EricLew | 0:80ee8f3b695e | 1724 | * @brief Tx Transfer completed callback. |
EricLew | 0:80ee8f3b695e | 1725 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1726 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1727 | * @retval None |
EricLew | 0:80ee8f3b695e | 1728 | */ |
EricLew | 0:80ee8f3b695e | 1729 | __weak void HAL_SPI_TxCpltCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1730 | { |
EricLew | 0:80ee8f3b695e | 1731 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1732 | the HAL_SPI_TxCpltCallback should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1733 | */ |
EricLew | 0:80ee8f3b695e | 1734 | } |
EricLew | 0:80ee8f3b695e | 1735 | |
EricLew | 0:80ee8f3b695e | 1736 | /** |
EricLew | 0:80ee8f3b695e | 1737 | * @brief Rx Transfer completed callback. |
EricLew | 0:80ee8f3b695e | 1738 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1739 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1740 | * @retval None |
EricLew | 0:80ee8f3b695e | 1741 | */ |
EricLew | 0:80ee8f3b695e | 1742 | __weak void HAL_SPI_RxCpltCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1743 | { |
EricLew | 0:80ee8f3b695e | 1744 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1745 | the HAL_SPI_RxCpltCallback should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1746 | */ |
EricLew | 0:80ee8f3b695e | 1747 | } |
EricLew | 0:80ee8f3b695e | 1748 | |
EricLew | 0:80ee8f3b695e | 1749 | /** |
EricLew | 0:80ee8f3b695e | 1750 | * @brief Tx and Rx Transfer completed callback. |
EricLew | 0:80ee8f3b695e | 1751 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1752 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1753 | * @retval None |
EricLew | 0:80ee8f3b695e | 1754 | */ |
EricLew | 0:80ee8f3b695e | 1755 | __weak void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1756 | { |
EricLew | 0:80ee8f3b695e | 1757 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1758 | the HAL_SPI_TxRxCpltCallback should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1759 | */ |
EricLew | 0:80ee8f3b695e | 1760 | } |
EricLew | 0:80ee8f3b695e | 1761 | |
EricLew | 0:80ee8f3b695e | 1762 | /** |
EricLew | 0:80ee8f3b695e | 1763 | * @brief Tx Half Transfer completed callback. |
EricLew | 0:80ee8f3b695e | 1764 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1765 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1766 | * @retval None |
EricLew | 0:80ee8f3b695e | 1767 | */ |
EricLew | 0:80ee8f3b695e | 1768 | __weak void HAL_SPI_TxHalfCpltCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1769 | { |
EricLew | 0:80ee8f3b695e | 1770 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1771 | the HAL_SPI_TxHalfCpltCallback should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1772 | */ |
EricLew | 0:80ee8f3b695e | 1773 | } |
EricLew | 0:80ee8f3b695e | 1774 | |
EricLew | 0:80ee8f3b695e | 1775 | /** |
EricLew | 0:80ee8f3b695e | 1776 | * @brief Rx Half Transfer completed callback. |
EricLew | 0:80ee8f3b695e | 1777 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1778 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1779 | * @retval None |
EricLew | 0:80ee8f3b695e | 1780 | */ |
EricLew | 0:80ee8f3b695e | 1781 | __weak void HAL_SPI_RxHalfCpltCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1782 | { |
EricLew | 0:80ee8f3b695e | 1783 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1784 | the HAL_SPI_RxHalfCpltCallback() should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1785 | */ |
EricLew | 0:80ee8f3b695e | 1786 | } |
EricLew | 0:80ee8f3b695e | 1787 | |
EricLew | 0:80ee8f3b695e | 1788 | /** |
EricLew | 0:80ee8f3b695e | 1789 | * @brief Tx and Rx Half Transfer callback. |
EricLew | 0:80ee8f3b695e | 1790 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1791 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1792 | * @retval None |
EricLew | 0:80ee8f3b695e | 1793 | */ |
EricLew | 0:80ee8f3b695e | 1794 | __weak void HAL_SPI_TxRxHalfCpltCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1795 | { |
EricLew | 0:80ee8f3b695e | 1796 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1797 | the HAL_SPI_TxRxHalfCpltCallback() should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1798 | */ |
EricLew | 0:80ee8f3b695e | 1799 | } |
EricLew | 0:80ee8f3b695e | 1800 | |
EricLew | 0:80ee8f3b695e | 1801 | /** |
EricLew | 0:80ee8f3b695e | 1802 | * @brief SPI error callback. |
EricLew | 0:80ee8f3b695e | 1803 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1804 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1805 | * @retval None |
EricLew | 0:80ee8f3b695e | 1806 | */ |
EricLew | 0:80ee8f3b695e | 1807 | __weak void HAL_SPI_ErrorCallback(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1808 | { |
EricLew | 0:80ee8f3b695e | 1809 | /* NOTE : This function should not be modified, when the callback is needed, |
EricLew | 0:80ee8f3b695e | 1810 | the HAL_SPI_ErrorCallback should be implemented in the user file |
EricLew | 0:80ee8f3b695e | 1811 | */ |
EricLew | 0:80ee8f3b695e | 1812 | /* NOTE : The ErrorCode parameter in the hspi handle is updated by the SPI processes |
EricLew | 0:80ee8f3b695e | 1813 | and user can use HAL_SPI_GetError() API to check the latest error occurred |
EricLew | 0:80ee8f3b695e | 1814 | */ |
EricLew | 0:80ee8f3b695e | 1815 | } |
EricLew | 0:80ee8f3b695e | 1816 | |
EricLew | 0:80ee8f3b695e | 1817 | /** |
EricLew | 0:80ee8f3b695e | 1818 | * @} |
EricLew | 0:80ee8f3b695e | 1819 | */ |
EricLew | 0:80ee8f3b695e | 1820 | |
EricLew | 0:80ee8f3b695e | 1821 | /** @defgroup SPI_Exported_Functions_Group3 Peripheral State and Errors functions |
EricLew | 0:80ee8f3b695e | 1822 | * @brief SPI control functions |
EricLew | 0:80ee8f3b695e | 1823 | * |
EricLew | 0:80ee8f3b695e | 1824 | @verbatim |
EricLew | 0:80ee8f3b695e | 1825 | =============================================================================== |
EricLew | 0:80ee8f3b695e | 1826 | ##### Peripheral State and Errors functions ##### |
EricLew | 0:80ee8f3b695e | 1827 | =============================================================================== |
EricLew | 0:80ee8f3b695e | 1828 | [..] |
EricLew | 0:80ee8f3b695e | 1829 | This subsection provides a set of functions allowing to control the SPI. |
EricLew | 0:80ee8f3b695e | 1830 | (+) HAL_SPI_GetState() API can be helpful to check in run-time the state of the SPI peripheral |
EricLew | 0:80ee8f3b695e | 1831 | (+) HAL_SPI_GetError() check in run-time Errors occurring during communication |
EricLew | 0:80ee8f3b695e | 1832 | @endverbatim |
EricLew | 0:80ee8f3b695e | 1833 | * @{ |
EricLew | 0:80ee8f3b695e | 1834 | */ |
EricLew | 0:80ee8f3b695e | 1835 | |
EricLew | 0:80ee8f3b695e | 1836 | /** |
EricLew | 0:80ee8f3b695e | 1837 | * @brief Return the SPI handle state. |
EricLew | 0:80ee8f3b695e | 1838 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1839 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1840 | * @retval SPI state |
EricLew | 0:80ee8f3b695e | 1841 | */ |
EricLew | 0:80ee8f3b695e | 1842 | HAL_SPI_StateTypeDef HAL_SPI_GetState(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1843 | { |
EricLew | 0:80ee8f3b695e | 1844 | /* Return SPI handle state */ |
EricLew | 0:80ee8f3b695e | 1845 | return hspi->State; |
EricLew | 0:80ee8f3b695e | 1846 | } |
EricLew | 0:80ee8f3b695e | 1847 | |
EricLew | 0:80ee8f3b695e | 1848 | /** |
EricLew | 0:80ee8f3b695e | 1849 | * @brief Return the SPI error code. |
EricLew | 0:80ee8f3b695e | 1850 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1851 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 1852 | * @retval SPI error code in bitmap format |
EricLew | 0:80ee8f3b695e | 1853 | */ |
EricLew | 0:80ee8f3b695e | 1854 | uint32_t HAL_SPI_GetError(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 1855 | { |
EricLew | 0:80ee8f3b695e | 1856 | return hspi->ErrorCode; |
EricLew | 0:80ee8f3b695e | 1857 | } |
EricLew | 0:80ee8f3b695e | 1858 | |
EricLew | 0:80ee8f3b695e | 1859 | /** |
EricLew | 0:80ee8f3b695e | 1860 | * @} |
EricLew | 0:80ee8f3b695e | 1861 | */ |
EricLew | 0:80ee8f3b695e | 1862 | |
EricLew | 0:80ee8f3b695e | 1863 | |
EricLew | 0:80ee8f3b695e | 1864 | /** |
EricLew | 0:80ee8f3b695e | 1865 | * @} |
EricLew | 0:80ee8f3b695e | 1866 | */ |
EricLew | 0:80ee8f3b695e | 1867 | |
EricLew | 0:80ee8f3b695e | 1868 | /** @addtogroup SPI_Private_Functions |
EricLew | 0:80ee8f3b695e | 1869 | * @brief Private functions |
EricLew | 0:80ee8f3b695e | 1870 | * @{ |
EricLew | 0:80ee8f3b695e | 1871 | */ |
EricLew | 0:80ee8f3b695e | 1872 | |
EricLew | 0:80ee8f3b695e | 1873 | /** |
EricLew | 0:80ee8f3b695e | 1874 | * @brief DMA SPI transmit process complete callback. |
EricLew | 0:80ee8f3b695e | 1875 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1876 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 1877 | * @retval None |
EricLew | 0:80ee8f3b695e | 1878 | */ |
EricLew | 0:80ee8f3b695e | 1879 | static void SPI_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 1880 | { |
EricLew | 0:80ee8f3b695e | 1881 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 1882 | |
EricLew | 0:80ee8f3b695e | 1883 | if((hdma->Instance->CCR & DMA_CCR_CIRC) != DMA_CCR_CIRC) |
EricLew | 0:80ee8f3b695e | 1884 | { |
EricLew | 0:80ee8f3b695e | 1885 | /* Disable Tx DMA Request */ |
EricLew | 0:80ee8f3b695e | 1886 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN); |
EricLew | 0:80ee8f3b695e | 1887 | |
EricLew | 0:80ee8f3b695e | 1888 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 1889 | if(SPI_EndRxTxTransaction(hspi,SPI_DEFAULT_TIMEOUT) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 1890 | { |
EricLew | 0:80ee8f3b695e | 1891 | hspi->ErrorCode = HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 1892 | } |
EricLew | 0:80ee8f3b695e | 1893 | |
EricLew | 0:80ee8f3b695e | 1894 | /* Clear overrun flag in 2 Lines communication mode because received data is not read */ |
EricLew | 0:80ee8f3b695e | 1895 | if(hspi->Init.Direction == SPI_DIRECTION_2LINES) |
EricLew | 0:80ee8f3b695e | 1896 | { |
EricLew | 0:80ee8f3b695e | 1897 | __HAL_SPI_CLEAR_OVRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 1898 | } |
EricLew | 0:80ee8f3b695e | 1899 | |
EricLew | 0:80ee8f3b695e | 1900 | hspi->TxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 1901 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 1902 | |
EricLew | 0:80ee8f3b695e | 1903 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 1904 | { |
EricLew | 0:80ee8f3b695e | 1905 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 1906 | return; |
EricLew | 0:80ee8f3b695e | 1907 | } |
EricLew | 0:80ee8f3b695e | 1908 | } |
EricLew | 0:80ee8f3b695e | 1909 | HAL_SPI_TxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 1910 | } |
EricLew | 0:80ee8f3b695e | 1911 | |
EricLew | 0:80ee8f3b695e | 1912 | /** |
EricLew | 0:80ee8f3b695e | 1913 | * @brief DMA SPI receive process complete callback. |
EricLew | 0:80ee8f3b695e | 1914 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1915 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 1916 | * @retval None |
EricLew | 0:80ee8f3b695e | 1917 | */ |
EricLew | 0:80ee8f3b695e | 1918 | static void SPI_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 1919 | { |
EricLew | 0:80ee8f3b695e | 1920 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 1921 | |
EricLew | 0:80ee8f3b695e | 1922 | if((hdma->Instance->CCR & DMA_CCR_CIRC) != DMA_CCR_CIRC) |
EricLew | 0:80ee8f3b695e | 1923 | { |
EricLew | 0:80ee8f3b695e | 1924 | __IO uint16_t tmpreg; |
EricLew | 0:80ee8f3b695e | 1925 | |
EricLew | 0:80ee8f3b695e | 1926 | /* CRC handling */ |
EricLew | 0:80ee8f3b695e | 1927 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 1928 | { |
EricLew | 0:80ee8f3b695e | 1929 | /* Wait until TXE flag */ |
EricLew | 0:80ee8f3b695e | 1930 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, SPI_DEFAULT_TIMEOUT) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 1931 | { |
EricLew | 0:80ee8f3b695e | 1932 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 1933 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 1934 | } |
EricLew | 0:80ee8f3b695e | 1935 | if(hspi->Init.DataSize > SPI_DATASIZE_8BIT) |
EricLew | 0:80ee8f3b695e | 1936 | { |
EricLew | 0:80ee8f3b695e | 1937 | tmpreg = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 1938 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 1939 | } |
EricLew | 0:80ee8f3b695e | 1940 | else |
EricLew | 0:80ee8f3b695e | 1941 | { |
EricLew | 0:80ee8f3b695e | 1942 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 1943 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 1944 | |
EricLew | 0:80ee8f3b695e | 1945 | if(hspi->Init.CRCLength == SPI_CRC_LENGTH_16BIT) |
EricLew | 0:80ee8f3b695e | 1946 | { |
EricLew | 0:80ee8f3b695e | 1947 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_RXNE, SPI_FLAG_RXNE, SPI_DEFAULT_TIMEOUT) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 1948 | { |
EricLew | 0:80ee8f3b695e | 1949 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 1950 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 1951 | } |
EricLew | 0:80ee8f3b695e | 1952 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 1953 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 1954 | } |
EricLew | 0:80ee8f3b695e | 1955 | } |
EricLew | 0:80ee8f3b695e | 1956 | } |
EricLew | 0:80ee8f3b695e | 1957 | |
EricLew | 0:80ee8f3b695e | 1958 | /* Disable Rx/Tx DMA Request (done by default to handle the case master rx direction 2 lines) */ |
EricLew | 0:80ee8f3b695e | 1959 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 1960 | |
EricLew | 0:80ee8f3b695e | 1961 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 1962 | if(SPI_EndRxTransaction(hspi,SPI_DEFAULT_TIMEOUT)!=HAL_OK) |
EricLew | 0:80ee8f3b695e | 1963 | { |
EricLew | 0:80ee8f3b695e | 1964 | hspi->ErrorCode|= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 1965 | } |
EricLew | 0:80ee8f3b695e | 1966 | |
EricLew | 0:80ee8f3b695e | 1967 | hspi->RxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 1968 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 1969 | |
EricLew | 0:80ee8f3b695e | 1970 | /* Check if CRC error occurred */ |
EricLew | 0:80ee8f3b695e | 1971 | if(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_CRCERR) != RESET) |
EricLew | 0:80ee8f3b695e | 1972 | { |
EricLew | 0:80ee8f3b695e | 1973 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 1974 | __HAL_SPI_CLEAR_CRCERRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 1975 | } |
EricLew | 0:80ee8f3b695e | 1976 | |
EricLew | 0:80ee8f3b695e | 1977 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 1978 | { |
EricLew | 0:80ee8f3b695e | 1979 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 1980 | return; |
EricLew | 0:80ee8f3b695e | 1981 | } |
EricLew | 0:80ee8f3b695e | 1982 | } |
EricLew | 0:80ee8f3b695e | 1983 | HAL_SPI_RxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 1984 | } |
EricLew | 0:80ee8f3b695e | 1985 | |
EricLew | 0:80ee8f3b695e | 1986 | /** |
EricLew | 0:80ee8f3b695e | 1987 | * @brief DMA SPI transmit receive process complete callback. |
EricLew | 0:80ee8f3b695e | 1988 | * @param hdma : pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 1989 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 1990 | * @retval None |
EricLew | 0:80ee8f3b695e | 1991 | */ |
EricLew | 0:80ee8f3b695e | 1992 | static void SPI_DMATransmitReceiveCplt(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 1993 | { |
EricLew | 0:80ee8f3b695e | 1994 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 1995 | |
EricLew | 0:80ee8f3b695e | 1996 | if((hdma->Instance->CCR & DMA_CCR_CIRC) != DMA_CCR_CIRC) |
EricLew | 0:80ee8f3b695e | 1997 | { |
EricLew | 0:80ee8f3b695e | 1998 | __IO int16_t tmpreg; |
EricLew | 0:80ee8f3b695e | 1999 | /* CRC handling */ |
EricLew | 0:80ee8f3b695e | 2000 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2001 | { |
EricLew | 0:80ee8f3b695e | 2002 | if((hspi->Init.DataSize == SPI_DATASIZE_8BIT) && (hspi->Init.CRCLength == SPI_CRC_LENGTH_8BIT)) |
EricLew | 0:80ee8f3b695e | 2003 | { |
EricLew | 0:80ee8f3b695e | 2004 | if(SPI_WaitFifoStateUntilTimeout(hspi, SPI_FLAG_FRLVL, SPI_FRLVL_QUARTER_FULL, SPI_DEFAULT_TIMEOUT) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2005 | { |
EricLew | 0:80ee8f3b695e | 2006 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 2007 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 2008 | } |
EricLew | 0:80ee8f3b695e | 2009 | tmpreg = *(__IO uint8_t *)&hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2010 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2011 | } |
EricLew | 0:80ee8f3b695e | 2012 | else |
EricLew | 0:80ee8f3b695e | 2013 | { |
EricLew | 0:80ee8f3b695e | 2014 | if(SPI_WaitFifoStateUntilTimeout(hspi, SPI_FLAG_FRLVL, SPI_FRLVL_HALF_FULL, SPI_DEFAULT_TIMEOUT) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2015 | { |
EricLew | 0:80ee8f3b695e | 2016 | /* Error on the CRC reception */ |
EricLew | 0:80ee8f3b695e | 2017 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 2018 | } |
EricLew | 0:80ee8f3b695e | 2019 | tmpreg = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2020 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2021 | } |
EricLew | 0:80ee8f3b695e | 2022 | } |
EricLew | 0:80ee8f3b695e | 2023 | |
EricLew | 0:80ee8f3b695e | 2024 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 2025 | if(SPI_EndRxTxTransaction(hspi,SPI_DEFAULT_TIMEOUT) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2026 | { |
EricLew | 0:80ee8f3b695e | 2027 | hspi->ErrorCode = HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2028 | } |
EricLew | 0:80ee8f3b695e | 2029 | |
EricLew | 0:80ee8f3b695e | 2030 | /* Disable Rx/Tx DMA Request */ |
EricLew | 0:80ee8f3b695e | 2031 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 2032 | |
EricLew | 0:80ee8f3b695e | 2033 | hspi->TxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 2034 | hspi->RxXferCount = 0; |
EricLew | 0:80ee8f3b695e | 2035 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2036 | |
EricLew | 0:80ee8f3b695e | 2037 | /* Check if CRC error occurred */ |
EricLew | 0:80ee8f3b695e | 2038 | if(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_CRCERR) != RESET) |
EricLew | 0:80ee8f3b695e | 2039 | { |
EricLew | 0:80ee8f3b695e | 2040 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 2041 | __HAL_SPI_CLEAR_CRCERRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 2042 | } |
EricLew | 0:80ee8f3b695e | 2043 | |
EricLew | 0:80ee8f3b695e | 2044 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 2045 | { |
EricLew | 0:80ee8f3b695e | 2046 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2047 | return; |
EricLew | 0:80ee8f3b695e | 2048 | } |
EricLew | 0:80ee8f3b695e | 2049 | } |
EricLew | 0:80ee8f3b695e | 2050 | HAL_SPI_TxRxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2051 | } |
EricLew | 0:80ee8f3b695e | 2052 | |
EricLew | 0:80ee8f3b695e | 2053 | /** |
EricLew | 0:80ee8f3b695e | 2054 | * @brief DMA SPI half transmit process complete callback. |
EricLew | 0:80ee8f3b695e | 2055 | * @param hdma : pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2056 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 2057 | * @retval None |
EricLew | 0:80ee8f3b695e | 2058 | */ |
EricLew | 0:80ee8f3b695e | 2059 | static void SPI_DMAHalfTransmitCplt(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 2060 | { |
EricLew | 0:80ee8f3b695e | 2061 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 2062 | |
EricLew | 0:80ee8f3b695e | 2063 | HAL_SPI_TxHalfCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2064 | } |
EricLew | 0:80ee8f3b695e | 2065 | |
EricLew | 0:80ee8f3b695e | 2066 | /** |
EricLew | 0:80ee8f3b695e | 2067 | * @brief DMA SPI half receive process complete callback. |
EricLew | 0:80ee8f3b695e | 2068 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2069 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 2070 | * @retval None |
EricLew | 0:80ee8f3b695e | 2071 | */ |
EricLew | 0:80ee8f3b695e | 2072 | static void SPI_DMAHalfReceiveCplt(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 2073 | { |
EricLew | 0:80ee8f3b695e | 2074 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 2075 | |
EricLew | 0:80ee8f3b695e | 2076 | HAL_SPI_RxHalfCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2077 | } |
EricLew | 0:80ee8f3b695e | 2078 | |
EricLew | 0:80ee8f3b695e | 2079 | /** |
EricLew | 0:80ee8f3b695e | 2080 | * @brief DMA SPI half transmit receive process complete callback. |
EricLew | 0:80ee8f3b695e | 2081 | * @param hdma : pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2082 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 2083 | * @retval None |
EricLew | 0:80ee8f3b695e | 2084 | */ |
EricLew | 0:80ee8f3b695e | 2085 | static void SPI_DMAHalfTransmitReceiveCplt(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 2086 | { |
EricLew | 0:80ee8f3b695e | 2087 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 2088 | |
EricLew | 0:80ee8f3b695e | 2089 | HAL_SPI_TxRxHalfCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2090 | } |
EricLew | 0:80ee8f3b695e | 2091 | |
EricLew | 0:80ee8f3b695e | 2092 | /** |
EricLew | 0:80ee8f3b695e | 2093 | * @brief DMA SPI communication error callback. |
EricLew | 0:80ee8f3b695e | 2094 | * @param hdma : pointer to a DMA_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2095 | * the configuration information for the specified DMA module. |
EricLew | 0:80ee8f3b695e | 2096 | * @retval None |
EricLew | 0:80ee8f3b695e | 2097 | */ |
EricLew | 0:80ee8f3b695e | 2098 | static void SPI_DMAError(DMA_HandleTypeDef *hdma) |
EricLew | 0:80ee8f3b695e | 2099 | { |
EricLew | 0:80ee8f3b695e | 2100 | SPI_HandleTypeDef* hspi = ( SPI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
EricLew | 0:80ee8f3b695e | 2101 | |
EricLew | 0:80ee8f3b695e | 2102 | /* Stop the disable DMA transfer on SPI side */ |
EricLew | 0:80ee8f3b695e | 2103 | CLEAR_BIT(hspi->Instance->CR2, SPI_CR2_TXDMAEN | SPI_CR2_RXDMAEN); |
EricLew | 0:80ee8f3b695e | 2104 | |
EricLew | 0:80ee8f3b695e | 2105 | hspi->ErrorCode|= HAL_SPI_ERROR_DMA; |
EricLew | 0:80ee8f3b695e | 2106 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2107 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2108 | } |
EricLew | 0:80ee8f3b695e | 2109 | |
EricLew | 0:80ee8f3b695e | 2110 | /** |
EricLew | 0:80ee8f3b695e | 2111 | * @brief Rx 8-bit handler for Transmit and Receive in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2112 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2113 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2114 | * @retval None |
EricLew | 0:80ee8f3b695e | 2115 | */ |
EricLew | 0:80ee8f3b695e | 2116 | static void SPI_2linesRxISR_8BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2117 | { |
EricLew | 0:80ee8f3b695e | 2118 | /* Receive data in packing mode */ |
EricLew | 0:80ee8f3b695e | 2119 | if(hspi->RxXferCount > 1) |
EricLew | 0:80ee8f3b695e | 2120 | { |
EricLew | 0:80ee8f3b695e | 2121 | *((uint16_t*)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2122 | hspi->pRxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 2123 | hspi->RxXferCount -= 2; |
EricLew | 0:80ee8f3b695e | 2124 | if(hspi->RxXferCount == 1) |
EricLew | 0:80ee8f3b695e | 2125 | { |
EricLew | 0:80ee8f3b695e | 2126 | /* set fiforxthresold according the reception data length: 8bit */ |
EricLew | 0:80ee8f3b695e | 2127 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 2128 | } |
EricLew | 0:80ee8f3b695e | 2129 | } |
EricLew | 0:80ee8f3b695e | 2130 | /* Receive data in 8 Bit mode */ |
EricLew | 0:80ee8f3b695e | 2131 | else |
EricLew | 0:80ee8f3b695e | 2132 | { |
EricLew | 0:80ee8f3b695e | 2133 | *hspi->pRxBuffPtr++ = *((__IO uint8_t *)&hspi->Instance->DR); |
EricLew | 0:80ee8f3b695e | 2134 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 2135 | } |
EricLew | 0:80ee8f3b695e | 2136 | |
EricLew | 0:80ee8f3b695e | 2137 | /* check end of the reception */ |
EricLew | 0:80ee8f3b695e | 2138 | if(hspi->RxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2139 | { |
EricLew | 0:80ee8f3b695e | 2140 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2141 | { |
EricLew | 0:80ee8f3b695e | 2142 | SET_BIT(hspi->Instance->CR2, SPI_RXFIFO_THRESHOLD); |
EricLew | 0:80ee8f3b695e | 2143 | hspi->RxISR = SPI_2linesRxISR_8BITCRC; |
EricLew | 0:80ee8f3b695e | 2144 | return; |
EricLew | 0:80ee8f3b695e | 2145 | } |
EricLew | 0:80ee8f3b695e | 2146 | |
EricLew | 0:80ee8f3b695e | 2147 | /* Disable RXNE interrupt */ |
EricLew | 0:80ee8f3b695e | 2148 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXNE); |
EricLew | 0:80ee8f3b695e | 2149 | |
EricLew | 0:80ee8f3b695e | 2150 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2151 | { |
EricLew | 0:80ee8f3b695e | 2152 | SPI_CloseRxTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2153 | } |
EricLew | 0:80ee8f3b695e | 2154 | } |
EricLew | 0:80ee8f3b695e | 2155 | } |
EricLew | 0:80ee8f3b695e | 2156 | |
EricLew | 0:80ee8f3b695e | 2157 | /** |
EricLew | 0:80ee8f3b695e | 2158 | * @brief Rx 8-bit handler for Transmit and Receive in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2159 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2160 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2161 | * @retval None |
EricLew | 0:80ee8f3b695e | 2162 | */ |
EricLew | 0:80ee8f3b695e | 2163 | static void SPI_2linesRxISR_8BITCRC(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2164 | { |
EricLew | 0:80ee8f3b695e | 2165 | __IO uint8_t tmpreg = *((__IO uint8_t *)&hspi->Instance->DR); |
EricLew | 0:80ee8f3b695e | 2166 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2167 | |
EricLew | 0:80ee8f3b695e | 2168 | hspi->CRCSize--; |
EricLew | 0:80ee8f3b695e | 2169 | |
EricLew | 0:80ee8f3b695e | 2170 | /* check end of the reception */ |
EricLew | 0:80ee8f3b695e | 2171 | if(hspi->CRCSize == 0) |
EricLew | 0:80ee8f3b695e | 2172 | { |
EricLew | 0:80ee8f3b695e | 2173 | /* Disable RXNE interrupt */ |
EricLew | 0:80ee8f3b695e | 2174 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXNE); |
EricLew | 0:80ee8f3b695e | 2175 | |
EricLew | 0:80ee8f3b695e | 2176 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2177 | { |
EricLew | 0:80ee8f3b695e | 2178 | SPI_CloseRxTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2179 | } |
EricLew | 0:80ee8f3b695e | 2180 | } |
EricLew | 0:80ee8f3b695e | 2181 | } |
EricLew | 0:80ee8f3b695e | 2182 | |
EricLew | 0:80ee8f3b695e | 2183 | /** |
EricLew | 0:80ee8f3b695e | 2184 | * @brief Tx 8-bit handler for Transmit and Receive in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2185 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2186 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2187 | * @retval None |
EricLew | 0:80ee8f3b695e | 2188 | */ |
EricLew | 0:80ee8f3b695e | 2189 | static void SPI_2linesTxISR_8BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2190 | { |
EricLew | 0:80ee8f3b695e | 2191 | /* Transmit data in packing Bit mode */ |
EricLew | 0:80ee8f3b695e | 2192 | if(hspi->TxXferCount >= 2) |
EricLew | 0:80ee8f3b695e | 2193 | { |
EricLew | 0:80ee8f3b695e | 2194 | hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 2195 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 2196 | hspi->TxXferCount -= 2; |
EricLew | 0:80ee8f3b695e | 2197 | } |
EricLew | 0:80ee8f3b695e | 2198 | /* Transmit data in 8 Bit mode */ |
EricLew | 0:80ee8f3b695e | 2199 | else |
EricLew | 0:80ee8f3b695e | 2200 | { |
EricLew | 0:80ee8f3b695e | 2201 | *(__IO uint8_t *)&hspi->Instance->DR = (*hspi->pTxBuffPtr++); |
EricLew | 0:80ee8f3b695e | 2202 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 2203 | } |
EricLew | 0:80ee8f3b695e | 2204 | |
EricLew | 0:80ee8f3b695e | 2205 | /* check the end of the transmission */ |
EricLew | 0:80ee8f3b695e | 2206 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2207 | { |
EricLew | 0:80ee8f3b695e | 2208 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2209 | { |
EricLew | 0:80ee8f3b695e | 2210 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 2211 | } |
EricLew | 0:80ee8f3b695e | 2212 | /* Disable TXE interrupt */ |
EricLew | 0:80ee8f3b695e | 2213 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXE); |
EricLew | 0:80ee8f3b695e | 2214 | |
EricLew | 0:80ee8f3b695e | 2215 | if(hspi->RxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2216 | { |
EricLew | 0:80ee8f3b695e | 2217 | SPI_CloseRxTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2218 | } |
EricLew | 0:80ee8f3b695e | 2219 | } |
EricLew | 0:80ee8f3b695e | 2220 | } |
EricLew | 0:80ee8f3b695e | 2221 | |
EricLew | 0:80ee8f3b695e | 2222 | /** |
EricLew | 0:80ee8f3b695e | 2223 | * @brief Rx 16-bit handler for Transmit and Receive in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2224 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2225 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2226 | * @retval None |
EricLew | 0:80ee8f3b695e | 2227 | */ |
EricLew | 0:80ee8f3b695e | 2228 | static void SPI_2linesRxISR_16BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2229 | { |
EricLew | 0:80ee8f3b695e | 2230 | /* Receive data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 2231 | *((uint16_t*)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2232 | hspi->pRxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 2233 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 2234 | |
EricLew | 0:80ee8f3b695e | 2235 | if(hspi->RxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2236 | { |
EricLew | 0:80ee8f3b695e | 2237 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2238 | { |
EricLew | 0:80ee8f3b695e | 2239 | hspi->RxISR = SPI_2linesRxISR_16BITCRC; |
EricLew | 0:80ee8f3b695e | 2240 | return; |
EricLew | 0:80ee8f3b695e | 2241 | } |
EricLew | 0:80ee8f3b695e | 2242 | |
EricLew | 0:80ee8f3b695e | 2243 | /* Disable RXNE interrupt */ |
EricLew | 0:80ee8f3b695e | 2244 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXNE); |
EricLew | 0:80ee8f3b695e | 2245 | |
EricLew | 0:80ee8f3b695e | 2246 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2247 | { |
EricLew | 0:80ee8f3b695e | 2248 | SPI_CloseRxTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2249 | } |
EricLew | 0:80ee8f3b695e | 2250 | } |
EricLew | 0:80ee8f3b695e | 2251 | } |
EricLew | 0:80ee8f3b695e | 2252 | |
EricLew | 0:80ee8f3b695e | 2253 | /** |
EricLew | 0:80ee8f3b695e | 2254 | * @brief Manage the CRC 16-bit receive for Transmit and Receive in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2255 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2256 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2257 | * @retval None |
EricLew | 0:80ee8f3b695e | 2258 | */ |
EricLew | 0:80ee8f3b695e | 2259 | static void SPI_2linesRxISR_16BITCRC(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2260 | { |
EricLew | 0:80ee8f3b695e | 2261 | /* Receive data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 2262 | __IO uint16_t tmpreg = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2263 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2264 | |
EricLew | 0:80ee8f3b695e | 2265 | /* Disable RXNE interrupt */ |
EricLew | 0:80ee8f3b695e | 2266 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_RXNE); |
EricLew | 0:80ee8f3b695e | 2267 | |
EricLew | 0:80ee8f3b695e | 2268 | SPI_CloseRxTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2269 | } |
EricLew | 0:80ee8f3b695e | 2270 | |
EricLew | 0:80ee8f3b695e | 2271 | /** |
EricLew | 0:80ee8f3b695e | 2272 | * @brief Tx 16-bit handler for Transmit and Receive in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2273 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2274 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2275 | * @retval None |
EricLew | 0:80ee8f3b695e | 2276 | */ |
EricLew | 0:80ee8f3b695e | 2277 | static void SPI_2linesTxISR_16BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2278 | { |
EricLew | 0:80ee8f3b695e | 2279 | /* Transmit data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 2280 | hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 2281 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 2282 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 2283 | |
EricLew | 0:80ee8f3b695e | 2284 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 2285 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2286 | { |
EricLew | 0:80ee8f3b695e | 2287 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2288 | { |
EricLew | 0:80ee8f3b695e | 2289 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 2290 | } |
EricLew | 0:80ee8f3b695e | 2291 | /* Disable TXE interrupt */ |
EricLew | 0:80ee8f3b695e | 2292 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_TXE); |
EricLew | 0:80ee8f3b695e | 2293 | |
EricLew | 0:80ee8f3b695e | 2294 | if(hspi->RxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2295 | { |
EricLew | 0:80ee8f3b695e | 2296 | SPI_CloseRxTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2297 | } |
EricLew | 0:80ee8f3b695e | 2298 | } |
EricLew | 0:80ee8f3b695e | 2299 | } |
EricLew | 0:80ee8f3b695e | 2300 | |
EricLew | 0:80ee8f3b695e | 2301 | /** |
EricLew | 0:80ee8f3b695e | 2302 | * @brief Manage the CRC 8-bit receive in Interrupt context. |
EricLew | 0:80ee8f3b695e | 2303 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2304 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2305 | * @retval None |
EricLew | 0:80ee8f3b695e | 2306 | */ |
EricLew | 0:80ee8f3b695e | 2307 | static void SPI_RxISR_8BITCRC(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2308 | { |
EricLew | 0:80ee8f3b695e | 2309 | __IO uint8_t tmpreg = *((uint8_t*)&hspi->Instance->DR); |
EricLew | 0:80ee8f3b695e | 2310 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2311 | |
EricLew | 0:80ee8f3b695e | 2312 | hspi->CRCSize--; |
EricLew | 0:80ee8f3b695e | 2313 | |
EricLew | 0:80ee8f3b695e | 2314 | if(hspi->CRCSize == 0) |
EricLew | 0:80ee8f3b695e | 2315 | { |
EricLew | 0:80ee8f3b695e | 2316 | SPI_CloseRx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2317 | } |
EricLew | 0:80ee8f3b695e | 2318 | } |
EricLew | 0:80ee8f3b695e | 2319 | |
EricLew | 0:80ee8f3b695e | 2320 | /** |
EricLew | 0:80ee8f3b695e | 2321 | * @brief Manage the receive 8-bit in Interrupt context. |
EricLew | 0:80ee8f3b695e | 2322 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2323 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2324 | * @retval None |
EricLew | 0:80ee8f3b695e | 2325 | */ |
EricLew | 0:80ee8f3b695e | 2326 | static void SPI_RxISR_8BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2327 | { |
EricLew | 0:80ee8f3b695e | 2328 | *hspi->pRxBuffPtr++ = (*(__IO uint8_t *)&hspi->Instance->DR); |
EricLew | 0:80ee8f3b695e | 2329 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 2330 | |
EricLew | 0:80ee8f3b695e | 2331 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 2332 | if((hspi->RxXferCount == 1) && (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE)) |
EricLew | 0:80ee8f3b695e | 2333 | { |
EricLew | 0:80ee8f3b695e | 2334 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 2335 | } |
EricLew | 0:80ee8f3b695e | 2336 | |
EricLew | 0:80ee8f3b695e | 2337 | if(hspi->RxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2338 | { |
EricLew | 0:80ee8f3b695e | 2339 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2340 | { |
EricLew | 0:80ee8f3b695e | 2341 | hspi->RxISR = SPI_RxISR_8BITCRC; |
EricLew | 0:80ee8f3b695e | 2342 | return; |
EricLew | 0:80ee8f3b695e | 2343 | } |
EricLew | 0:80ee8f3b695e | 2344 | SPI_CloseRx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2345 | } |
EricLew | 0:80ee8f3b695e | 2346 | } |
EricLew | 0:80ee8f3b695e | 2347 | |
EricLew | 0:80ee8f3b695e | 2348 | /** |
EricLew | 0:80ee8f3b695e | 2349 | * @brief Manage the CRC 16-bit receive in Interrupt context. |
EricLew | 0:80ee8f3b695e | 2350 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2351 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2352 | * @retval None |
EricLew | 0:80ee8f3b695e | 2353 | */ |
EricLew | 0:80ee8f3b695e | 2354 | static void SPI_RxISR_16BITCRC(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2355 | { |
EricLew | 0:80ee8f3b695e | 2356 | __IO uint16_t tmpreg; |
EricLew | 0:80ee8f3b695e | 2357 | |
EricLew | 0:80ee8f3b695e | 2358 | tmpreg = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2359 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2360 | |
EricLew | 0:80ee8f3b695e | 2361 | /* Disable RXNE and ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 2362 | __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_RXNE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 2363 | |
EricLew | 0:80ee8f3b695e | 2364 | SPI_CloseRx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2365 | } |
EricLew | 0:80ee8f3b695e | 2366 | |
EricLew | 0:80ee8f3b695e | 2367 | /** |
EricLew | 0:80ee8f3b695e | 2368 | * @brief Manage the 16-bit receive in Interrupt context. |
EricLew | 0:80ee8f3b695e | 2369 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2370 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2371 | * @retval None |
EricLew | 0:80ee8f3b695e | 2372 | */ |
EricLew | 0:80ee8f3b695e | 2373 | static void SPI_RxISR_16BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2374 | { |
EricLew | 0:80ee8f3b695e | 2375 | *((uint16_t *)hspi->pRxBuffPtr) = hspi->Instance->DR; |
EricLew | 0:80ee8f3b695e | 2376 | hspi->pRxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 2377 | hspi->RxXferCount--; |
EricLew | 0:80ee8f3b695e | 2378 | |
EricLew | 0:80ee8f3b695e | 2379 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 2380 | if((hspi->RxXferCount == 1) && (hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE)) |
EricLew | 0:80ee8f3b695e | 2381 | { |
EricLew | 0:80ee8f3b695e | 2382 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 2383 | } |
EricLew | 0:80ee8f3b695e | 2384 | |
EricLew | 0:80ee8f3b695e | 2385 | if(hspi->RxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2386 | { |
EricLew | 0:80ee8f3b695e | 2387 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2388 | { |
EricLew | 0:80ee8f3b695e | 2389 | hspi->RxISR = SPI_RxISR_16BITCRC; |
EricLew | 0:80ee8f3b695e | 2390 | return; |
EricLew | 0:80ee8f3b695e | 2391 | } |
EricLew | 0:80ee8f3b695e | 2392 | SPI_CloseRx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2393 | } |
EricLew | 0:80ee8f3b695e | 2394 | } |
EricLew | 0:80ee8f3b695e | 2395 | |
EricLew | 0:80ee8f3b695e | 2396 | /** |
EricLew | 0:80ee8f3b695e | 2397 | * @brief Handle the data 8-bit transmit in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2398 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2399 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2400 | * @retval None |
EricLew | 0:80ee8f3b695e | 2401 | */ |
EricLew | 0:80ee8f3b695e | 2402 | static void SPI_TxISR_8BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2403 | { |
EricLew | 0:80ee8f3b695e | 2404 | *(__IO uint8_t *)&hspi->Instance->DR = (*hspi->pTxBuffPtr++); |
EricLew | 0:80ee8f3b695e | 2405 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 2406 | |
EricLew | 0:80ee8f3b695e | 2407 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2408 | { |
EricLew | 0:80ee8f3b695e | 2409 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2410 | { |
EricLew | 0:80ee8f3b695e | 2411 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 2412 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 2413 | } |
EricLew | 0:80ee8f3b695e | 2414 | |
EricLew | 0:80ee8f3b695e | 2415 | SPI_CloseTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2416 | } |
EricLew | 0:80ee8f3b695e | 2417 | } |
EricLew | 0:80ee8f3b695e | 2418 | |
EricLew | 0:80ee8f3b695e | 2419 | /** |
EricLew | 0:80ee8f3b695e | 2420 | * @brief Handle the data 16-bit transmit in Interrupt mode. |
EricLew | 0:80ee8f3b695e | 2421 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2422 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2423 | * @retval None |
EricLew | 0:80ee8f3b695e | 2424 | */ |
EricLew | 0:80ee8f3b695e | 2425 | static void SPI_TxISR_16BIT(struct __SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2426 | { |
EricLew | 0:80ee8f3b695e | 2427 | /* Transmit data in 16 Bit mode */ |
EricLew | 0:80ee8f3b695e | 2428 | hspi->Instance->DR = *((uint16_t *)hspi->pTxBuffPtr); |
EricLew | 0:80ee8f3b695e | 2429 | hspi->pTxBuffPtr += sizeof(uint16_t); |
EricLew | 0:80ee8f3b695e | 2430 | hspi->TxXferCount--; |
EricLew | 0:80ee8f3b695e | 2431 | |
EricLew | 0:80ee8f3b695e | 2432 | if(hspi->TxXferCount == 0) |
EricLew | 0:80ee8f3b695e | 2433 | { |
EricLew | 0:80ee8f3b695e | 2434 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2435 | { |
EricLew | 0:80ee8f3b695e | 2436 | /* Enable CRC Transmission */ |
EricLew | 0:80ee8f3b695e | 2437 | hspi->Instance->CR1 |= SPI_CR1_CRCNEXT; |
EricLew | 0:80ee8f3b695e | 2438 | } |
EricLew | 0:80ee8f3b695e | 2439 | SPI_CloseTx_ISR(hspi); |
EricLew | 0:80ee8f3b695e | 2440 | } |
EricLew | 0:80ee8f3b695e | 2441 | } |
EricLew | 0:80ee8f3b695e | 2442 | |
EricLew | 0:80ee8f3b695e | 2443 | /** |
EricLew | 0:80ee8f3b695e | 2444 | * @brief Handle SPI Communication Timeout. |
EricLew | 0:80ee8f3b695e | 2445 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2446 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2447 | * @param Flag : SPI flag to check |
EricLew | 0:80ee8f3b695e | 2448 | * @param State : flag state to check |
EricLew | 0:80ee8f3b695e | 2449 | * @param Timeout : Timeout duration |
EricLew | 0:80ee8f3b695e | 2450 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 2451 | */ |
EricLew | 0:80ee8f3b695e | 2452 | static HAL_StatusTypeDef SPI_WaitFlagStateUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Flag, uint32_t State, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 2453 | { |
EricLew | 0:80ee8f3b695e | 2454 | uint32_t tickstart = HAL_GetTick(); |
EricLew | 0:80ee8f3b695e | 2455 | |
EricLew | 0:80ee8f3b695e | 2456 | while((hspi->Instance->SR & Flag) != State) |
EricLew | 0:80ee8f3b695e | 2457 | { |
EricLew | 0:80ee8f3b695e | 2458 | if(Timeout != HAL_MAX_DELAY) |
EricLew | 0:80ee8f3b695e | 2459 | { |
EricLew | 0:80ee8f3b695e | 2460 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) >= Timeout)) |
EricLew | 0:80ee8f3b695e | 2461 | { |
EricLew | 0:80ee8f3b695e | 2462 | /* Disable the SPI and reset the CRC: the CRC value should be cleared |
EricLew | 0:80ee8f3b695e | 2463 | on both master and slave sides in order to resynchronize the master |
EricLew | 0:80ee8f3b695e | 2464 | and slave for their respective CRC calculation */ |
EricLew | 0:80ee8f3b695e | 2465 | |
EricLew | 0:80ee8f3b695e | 2466 | /* Disable TXE, RXNE and ERR interrupts for the interrupt process */ |
EricLew | 0:80ee8f3b695e | 2467 | __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_TXE | SPI_IT_RXNE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 2468 | |
EricLew | 0:80ee8f3b695e | 2469 | if((hspi->Init.Mode == SPI_MODE_MASTER)&&((hspi->Init.Direction == SPI_DIRECTION_1LINE)||(hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY))) |
EricLew | 0:80ee8f3b695e | 2470 | { |
EricLew | 0:80ee8f3b695e | 2471 | /* Disable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 2472 | __HAL_SPI_DISABLE(hspi); |
EricLew | 0:80ee8f3b695e | 2473 | } |
EricLew | 0:80ee8f3b695e | 2474 | |
EricLew | 0:80ee8f3b695e | 2475 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 2476 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2477 | { |
EricLew | 0:80ee8f3b695e | 2478 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 2479 | } |
EricLew | 0:80ee8f3b695e | 2480 | |
EricLew | 0:80ee8f3b695e | 2481 | hspi->State= HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2482 | |
EricLew | 0:80ee8f3b695e | 2483 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 2484 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 2485 | |
EricLew | 0:80ee8f3b695e | 2486 | return HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 2487 | } |
EricLew | 0:80ee8f3b695e | 2488 | } |
EricLew | 0:80ee8f3b695e | 2489 | } |
EricLew | 0:80ee8f3b695e | 2490 | |
EricLew | 0:80ee8f3b695e | 2491 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 2492 | } |
EricLew | 0:80ee8f3b695e | 2493 | |
EricLew | 0:80ee8f3b695e | 2494 | /** |
EricLew | 0:80ee8f3b695e | 2495 | * @brief Handle SPI FIFO Communication Timeout. |
EricLew | 0:80ee8f3b695e | 2496 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2497 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2498 | * @param Fifo : Fifo to check |
EricLew | 0:80ee8f3b695e | 2499 | * @param State : Fifo state to check |
EricLew | 0:80ee8f3b695e | 2500 | * @param Timeout : Timeout duration |
EricLew | 0:80ee8f3b695e | 2501 | * @retval HAL status |
EricLew | 0:80ee8f3b695e | 2502 | */ |
EricLew | 0:80ee8f3b695e | 2503 | static HAL_StatusTypeDef SPI_WaitFifoStateUntilTimeout(SPI_HandleTypeDef *hspi, uint32_t Fifo, uint32_t State, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 2504 | { |
EricLew | 0:80ee8f3b695e | 2505 | __IO uint8_t tmpreg; |
EricLew | 0:80ee8f3b695e | 2506 | uint32_t tickstart = HAL_GetTick(); |
EricLew | 0:80ee8f3b695e | 2507 | |
EricLew | 0:80ee8f3b695e | 2508 | while((hspi->Instance->SR & Fifo) != State) |
EricLew | 0:80ee8f3b695e | 2509 | { |
EricLew | 0:80ee8f3b695e | 2510 | if((Fifo == SPI_SR_FRLVL) && (State == SPI_FRLVL_EMPTY)) |
EricLew | 0:80ee8f3b695e | 2511 | { |
EricLew | 0:80ee8f3b695e | 2512 | tmpreg = *((__IO uint8_t*)&hspi->Instance->DR); |
EricLew | 0:80ee8f3b695e | 2513 | UNUSED(tmpreg); /* To avoid GCC warning */ |
EricLew | 0:80ee8f3b695e | 2514 | } |
EricLew | 0:80ee8f3b695e | 2515 | |
EricLew | 0:80ee8f3b695e | 2516 | if(Timeout != HAL_MAX_DELAY) |
EricLew | 0:80ee8f3b695e | 2517 | { |
EricLew | 0:80ee8f3b695e | 2518 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) >= Timeout)) |
EricLew | 0:80ee8f3b695e | 2519 | { |
EricLew | 0:80ee8f3b695e | 2520 | /* Disable the SPI and reset the CRC: the CRC value should be cleared |
EricLew | 0:80ee8f3b695e | 2521 | on both master and slave sides in order to resynchronize the master |
EricLew | 0:80ee8f3b695e | 2522 | and slave for their respective CRC calculation */ |
EricLew | 0:80ee8f3b695e | 2523 | |
EricLew | 0:80ee8f3b695e | 2524 | /* Disable TXE, RXNE and ERR interrupts for the interrupt process */ |
EricLew | 0:80ee8f3b695e | 2525 | __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_TXE | SPI_IT_RXNE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 2526 | |
EricLew | 0:80ee8f3b695e | 2527 | if((hspi->Init.Mode == SPI_MODE_MASTER)&&((hspi->Init.Direction == SPI_DIRECTION_1LINE)||(hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY))) |
EricLew | 0:80ee8f3b695e | 2528 | { |
EricLew | 0:80ee8f3b695e | 2529 | /* Disable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 2530 | __HAL_SPI_DISABLE(hspi); |
EricLew | 0:80ee8f3b695e | 2531 | } |
EricLew | 0:80ee8f3b695e | 2532 | |
EricLew | 0:80ee8f3b695e | 2533 | /* Reset CRC Calculation */ |
EricLew | 0:80ee8f3b695e | 2534 | if(hspi->Init.CRCCalculation == SPI_CRCCALCULATION_ENABLE) |
EricLew | 0:80ee8f3b695e | 2535 | { |
EricLew | 0:80ee8f3b695e | 2536 | SPI_RESET_CRC(hspi); |
EricLew | 0:80ee8f3b695e | 2537 | } |
EricLew | 0:80ee8f3b695e | 2538 | |
EricLew | 0:80ee8f3b695e | 2539 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2540 | |
EricLew | 0:80ee8f3b695e | 2541 | /* Process Unlocked */ |
EricLew | 0:80ee8f3b695e | 2542 | __HAL_UNLOCK(hspi); |
EricLew | 0:80ee8f3b695e | 2543 | |
EricLew | 0:80ee8f3b695e | 2544 | return HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 2545 | } |
EricLew | 0:80ee8f3b695e | 2546 | } |
EricLew | 0:80ee8f3b695e | 2547 | } |
EricLew | 0:80ee8f3b695e | 2548 | |
EricLew | 0:80ee8f3b695e | 2549 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 2550 | } |
EricLew | 0:80ee8f3b695e | 2551 | |
EricLew | 0:80ee8f3b695e | 2552 | /** |
EricLew | 0:80ee8f3b695e | 2553 | * @brief Handle the check of the RX transaction complete. |
EricLew | 0:80ee8f3b695e | 2554 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2555 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2556 | * @param Timeout : Timeout duration |
EricLew | 0:80ee8f3b695e | 2557 | * @retval None |
EricLew | 0:80ee8f3b695e | 2558 | */ |
EricLew | 0:80ee8f3b695e | 2559 | static HAL_StatusTypeDef SPI_EndRxTransaction(SPI_HandleTypeDef *hspi, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 2560 | { |
EricLew | 0:80ee8f3b695e | 2561 | if((hspi->Init.Mode == SPI_MODE_MASTER)&&((hspi->Init.Direction == SPI_DIRECTION_1LINE)||(hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY))) |
EricLew | 0:80ee8f3b695e | 2562 | { |
EricLew | 0:80ee8f3b695e | 2563 | /* Disable SPI peripheral */ |
EricLew | 0:80ee8f3b695e | 2564 | __HAL_SPI_DISABLE(hspi); |
EricLew | 0:80ee8f3b695e | 2565 | } |
EricLew | 0:80ee8f3b695e | 2566 | |
EricLew | 0:80ee8f3b695e | 2567 | /* Control the BSY flag */ |
EricLew | 0:80ee8f3b695e | 2568 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_BSY, RESET, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2569 | { |
EricLew | 0:80ee8f3b695e | 2570 | hspi->ErrorCode |= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2571 | return HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 2572 | } |
EricLew | 0:80ee8f3b695e | 2573 | |
EricLew | 0:80ee8f3b695e | 2574 | if((hspi->Init.Mode == SPI_MODE_MASTER)&&((hspi->Init.Direction == SPI_DIRECTION_1LINE)||(hspi->Init.Direction == SPI_DIRECTION_2LINES_RXONLY))) |
EricLew | 0:80ee8f3b695e | 2575 | { |
EricLew | 0:80ee8f3b695e | 2576 | /* Empty the FRLVL fifo */ |
EricLew | 0:80ee8f3b695e | 2577 | if(SPI_WaitFifoStateUntilTimeout(hspi, SPI_FLAG_FRLVL, SPI_FRLVL_EMPTY, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2578 | { |
EricLew | 0:80ee8f3b695e | 2579 | hspi->ErrorCode |= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2580 | return HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 2581 | } |
EricLew | 0:80ee8f3b695e | 2582 | } |
EricLew | 0:80ee8f3b695e | 2583 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 2584 | } |
EricLew | 0:80ee8f3b695e | 2585 | |
EricLew | 0:80ee8f3b695e | 2586 | /** |
EricLew | 0:80ee8f3b695e | 2587 | * @brief Handle the check of the RXTX or TX transaction complete. |
EricLew | 0:80ee8f3b695e | 2588 | * @param hspi: SPI handle |
EricLew | 0:80ee8f3b695e | 2589 | * @param Timeout : Timeout duration |
EricLew | 0:80ee8f3b695e | 2590 | */ |
EricLew | 0:80ee8f3b695e | 2591 | static HAL_StatusTypeDef SPI_EndRxTxTransaction(SPI_HandleTypeDef *hspi, uint32_t Timeout) |
EricLew | 0:80ee8f3b695e | 2592 | { |
EricLew | 0:80ee8f3b695e | 2593 | /* Control if the TX fifo is empty */ |
EricLew | 0:80ee8f3b695e | 2594 | if(SPI_WaitFifoStateUntilTimeout(hspi, SPI_FLAG_FTLVL, SPI_FTLVL_EMPTY, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2595 | { |
EricLew | 0:80ee8f3b695e | 2596 | hspi->ErrorCode |= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2597 | return HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 2598 | } |
EricLew | 0:80ee8f3b695e | 2599 | /* Control the BSY flag */ |
EricLew | 0:80ee8f3b695e | 2600 | if(SPI_WaitFlagStateUntilTimeout(hspi, SPI_FLAG_BSY, RESET, Timeout) != HAL_OK) |
EricLew | 0:80ee8f3b695e | 2601 | { |
EricLew | 0:80ee8f3b695e | 2602 | hspi->ErrorCode |= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2603 | return HAL_TIMEOUT; |
EricLew | 0:80ee8f3b695e | 2604 | } |
EricLew | 0:80ee8f3b695e | 2605 | return HAL_OK; |
EricLew | 0:80ee8f3b695e | 2606 | } |
EricLew | 0:80ee8f3b695e | 2607 | |
EricLew | 0:80ee8f3b695e | 2608 | /** |
EricLew | 0:80ee8f3b695e | 2609 | * @brief Handle the end of the RXTX transaction. |
EricLew | 0:80ee8f3b695e | 2610 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2611 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2612 | * @retval None |
EricLew | 0:80ee8f3b695e | 2613 | */ |
EricLew | 0:80ee8f3b695e | 2614 | static void SPI_CloseRxTx_ISR(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2615 | { |
EricLew | 0:80ee8f3b695e | 2616 | /* Disable ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 2617 | __HAL_SPI_DISABLE_IT(hspi, SPI_IT_ERR); |
EricLew | 0:80ee8f3b695e | 2618 | |
EricLew | 0:80ee8f3b695e | 2619 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 2620 | if(SPI_EndRxTxTransaction(hspi,SPI_DEFAULT_TIMEOUT)!=HAL_OK) |
EricLew | 0:80ee8f3b695e | 2621 | { |
EricLew | 0:80ee8f3b695e | 2622 | hspi->ErrorCode|= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2623 | } |
EricLew | 0:80ee8f3b695e | 2624 | |
EricLew | 0:80ee8f3b695e | 2625 | /* Check if CRC error occurred */ |
EricLew | 0:80ee8f3b695e | 2626 | if(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_CRCERR) != RESET) |
EricLew | 0:80ee8f3b695e | 2627 | { |
EricLew | 0:80ee8f3b695e | 2628 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2629 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 2630 | __HAL_SPI_CLEAR_CRCERRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 2631 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2632 | } |
EricLew | 0:80ee8f3b695e | 2633 | else |
EricLew | 0:80ee8f3b695e | 2634 | { |
EricLew | 0:80ee8f3b695e | 2635 | if(hspi->ErrorCode == HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 2636 | { |
EricLew | 0:80ee8f3b695e | 2637 | if(hspi->State == HAL_SPI_STATE_BUSY_RX) |
EricLew | 0:80ee8f3b695e | 2638 | { |
EricLew | 0:80ee8f3b695e | 2639 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2640 | HAL_SPI_RxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2641 | } |
EricLew | 0:80ee8f3b695e | 2642 | else |
EricLew | 0:80ee8f3b695e | 2643 | { |
EricLew | 0:80ee8f3b695e | 2644 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2645 | HAL_SPI_TxRxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2646 | } |
EricLew | 0:80ee8f3b695e | 2647 | } |
EricLew | 0:80ee8f3b695e | 2648 | else |
EricLew | 0:80ee8f3b695e | 2649 | { |
EricLew | 0:80ee8f3b695e | 2650 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2651 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2652 | } |
EricLew | 0:80ee8f3b695e | 2653 | } |
EricLew | 0:80ee8f3b695e | 2654 | } |
EricLew | 0:80ee8f3b695e | 2655 | |
EricLew | 0:80ee8f3b695e | 2656 | /** |
EricLew | 0:80ee8f3b695e | 2657 | * @brief Handle the end of the RX transaction. |
EricLew | 0:80ee8f3b695e | 2658 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2659 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2660 | * @retval None |
EricLew | 0:80ee8f3b695e | 2661 | */ |
EricLew | 0:80ee8f3b695e | 2662 | static void SPI_CloseRx_ISR(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2663 | { |
EricLew | 0:80ee8f3b695e | 2664 | /* Disable RXNE and ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 2665 | __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_RXNE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 2666 | |
EricLew | 0:80ee8f3b695e | 2667 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 2668 | if(SPI_EndRxTransaction(hspi,SPI_DEFAULT_TIMEOUT)!=HAL_OK) |
EricLew | 0:80ee8f3b695e | 2669 | { |
EricLew | 0:80ee8f3b695e | 2670 | hspi->ErrorCode|= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2671 | } |
EricLew | 0:80ee8f3b695e | 2672 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2673 | |
EricLew | 0:80ee8f3b695e | 2674 | /* Check if CRC error occurred */ |
EricLew | 0:80ee8f3b695e | 2675 | if(__HAL_SPI_GET_FLAG(hspi, SPI_FLAG_CRCERR) != RESET) |
EricLew | 0:80ee8f3b695e | 2676 | { |
EricLew | 0:80ee8f3b695e | 2677 | hspi->ErrorCode|= HAL_SPI_ERROR_CRC; |
EricLew | 0:80ee8f3b695e | 2678 | __HAL_SPI_CLEAR_CRCERRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 2679 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2680 | } |
EricLew | 0:80ee8f3b695e | 2681 | else |
EricLew | 0:80ee8f3b695e | 2682 | { |
EricLew | 0:80ee8f3b695e | 2683 | if(hspi->ErrorCode == HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 2684 | { |
EricLew | 0:80ee8f3b695e | 2685 | HAL_SPI_RxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2686 | } |
EricLew | 0:80ee8f3b695e | 2687 | else |
EricLew | 0:80ee8f3b695e | 2688 | { |
EricLew | 0:80ee8f3b695e | 2689 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2690 | } |
EricLew | 0:80ee8f3b695e | 2691 | } |
EricLew | 0:80ee8f3b695e | 2692 | } |
EricLew | 0:80ee8f3b695e | 2693 | |
EricLew | 0:80ee8f3b695e | 2694 | /** |
EricLew | 0:80ee8f3b695e | 2695 | * @brief Handle the end of the TX transaction. |
EricLew | 0:80ee8f3b695e | 2696 | * @param hspi: pointer to a SPI_HandleTypeDef structure that contains |
EricLew | 0:80ee8f3b695e | 2697 | * the configuration information for SPI module. |
EricLew | 0:80ee8f3b695e | 2698 | * @retval None |
EricLew | 0:80ee8f3b695e | 2699 | */ |
EricLew | 0:80ee8f3b695e | 2700 | static void SPI_CloseTx_ISR(SPI_HandleTypeDef *hspi) |
EricLew | 0:80ee8f3b695e | 2701 | { |
EricLew | 0:80ee8f3b695e | 2702 | /* Disable TXE and ERR interrupt */ |
EricLew | 0:80ee8f3b695e | 2703 | __HAL_SPI_DISABLE_IT(hspi, (SPI_IT_TXE | SPI_IT_ERR)); |
EricLew | 0:80ee8f3b695e | 2704 | |
EricLew | 0:80ee8f3b695e | 2705 | /* Check the end of the transaction */ |
EricLew | 0:80ee8f3b695e | 2706 | if(SPI_EndRxTxTransaction(hspi,SPI_DEFAULT_TIMEOUT)!=HAL_OK) |
EricLew | 0:80ee8f3b695e | 2707 | { |
EricLew | 0:80ee8f3b695e | 2708 | hspi->ErrorCode|= HAL_SPI_ERROR_FLAG; |
EricLew | 0:80ee8f3b695e | 2709 | } |
EricLew | 0:80ee8f3b695e | 2710 | |
EricLew | 0:80ee8f3b695e | 2711 | /* Clear overrun flag in 2 Lines communication mode because received is not read */ |
EricLew | 0:80ee8f3b695e | 2712 | if(hspi->Init.Direction == SPI_DIRECTION_2LINES) |
EricLew | 0:80ee8f3b695e | 2713 | { |
EricLew | 0:80ee8f3b695e | 2714 | __HAL_SPI_CLEAR_OVRFLAG(hspi); |
EricLew | 0:80ee8f3b695e | 2715 | } |
EricLew | 0:80ee8f3b695e | 2716 | |
EricLew | 0:80ee8f3b695e | 2717 | hspi->State = HAL_SPI_STATE_READY; |
EricLew | 0:80ee8f3b695e | 2718 | if(hspi->ErrorCode != HAL_SPI_ERROR_NONE) |
EricLew | 0:80ee8f3b695e | 2719 | { |
EricLew | 0:80ee8f3b695e | 2720 | HAL_SPI_ErrorCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2721 | } |
EricLew | 0:80ee8f3b695e | 2722 | else |
EricLew | 0:80ee8f3b695e | 2723 | { |
EricLew | 0:80ee8f3b695e | 2724 | HAL_SPI_TxCpltCallback(hspi); |
EricLew | 0:80ee8f3b695e | 2725 | } |
EricLew | 0:80ee8f3b695e | 2726 | } |
EricLew | 0:80ee8f3b695e | 2727 | |
EricLew | 0:80ee8f3b695e | 2728 | /** |
EricLew | 0:80ee8f3b695e | 2729 | * @} |
EricLew | 0:80ee8f3b695e | 2730 | */ |
EricLew | 0:80ee8f3b695e | 2731 | |
EricLew | 0:80ee8f3b695e | 2732 | #endif /* HAL_SPI_MODULE_ENABLED */ |
EricLew | 0:80ee8f3b695e | 2733 | |
EricLew | 0:80ee8f3b695e | 2734 | /** |
EricLew | 0:80ee8f3b695e | 2735 | * @} |
EricLew | 0:80ee8f3b695e | 2736 | */ |
EricLew | 0:80ee8f3b695e | 2737 | |
EricLew | 0:80ee8f3b695e | 2738 | /** |
EricLew | 0:80ee8f3b695e | 2739 | * @} |
EricLew | 0:80ee8f3b695e | 2740 | */ |
EricLew | 0:80ee8f3b695e | 2741 | |
EricLew | 0:80ee8f3b695e | 2742 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
EricLew | 0:80ee8f3b695e | 2743 |