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targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_usart.c@637:ed69428d4850, 2015-12-22 (annotated)
- Committer:
- jaerts
- Date:
- Tue Dec 22 13:22:16 2015 +0000
- Revision:
- 637:ed69428d4850
- Parent:
- 610:813dcc80987e
Add very shady LPC1768 CAN Filter implementation
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 573:ad23fe03a082 | 1 | /** |
mbed_official | 573:ad23fe03a082 | 2 | ****************************************************************************** |
mbed_official | 573:ad23fe03a082 | 3 | * @file stm32f7xx_hal_usart.c |
mbed_official | 573:ad23fe03a082 | 4 | * @author MCD Application Team |
mbed_official | 610:813dcc80987e | 5 | * @version V1.0.1 |
mbed_official | 610:813dcc80987e | 6 | * @date 25-June-2015 |
mbed_official | 573:ad23fe03a082 | 7 | * @brief USART HAL module driver. |
mbed_official | 573:ad23fe03a082 | 8 | * This file provides firmware functions to manage the following |
mbed_official | 573:ad23fe03a082 | 9 | * functionalities of the Universal Synchronous/Asynchronous Receiver Transmitter |
mbed_official | 573:ad23fe03a082 | 10 | * Peripheral (USART). |
mbed_official | 573:ad23fe03a082 | 11 | * + Initialization and de-initialization functions |
mbed_official | 573:ad23fe03a082 | 12 | * + IO operation functions |
mbed_official | 573:ad23fe03a082 | 13 | * + Peripheral Control functions |
mbed_official | 573:ad23fe03a082 | 14 | * |
mbed_official | 573:ad23fe03a082 | 15 | @verbatim |
mbed_official | 573:ad23fe03a082 | 16 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 17 | ##### How to use this driver ##### |
mbed_official | 573:ad23fe03a082 | 18 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 19 | [..] |
mbed_official | 573:ad23fe03a082 | 20 | The USART HAL driver can be used as follows: |
mbed_official | 573:ad23fe03a082 | 21 | |
mbed_official | 573:ad23fe03a082 | 22 | (#) Declare a USART_HandleTypeDef handle structure. |
mbed_official | 573:ad23fe03a082 | 23 | (#) Initialize the USART low level resources by implement the HAL_USART_MspInit ()API: |
mbed_official | 573:ad23fe03a082 | 24 | (##) Enable the USARTx interface clock. |
mbed_official | 573:ad23fe03a082 | 25 | (##) USART pins configuration: |
mbed_official | 610:813dcc80987e | 26 | (+++) Enable the clock for the USART GPIOs. |
mbed_official | 610:813dcc80987e | 27 | (+++) Configure these USART pins as alternate function pull-up. |
mbed_official | 573:ad23fe03a082 | 28 | (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), |
mbed_official | 573:ad23fe03a082 | 29 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
mbed_official | 610:813dcc80987e | 30 | (+++) Configure the USARTx interrupt priority. |
mbed_official | 610:813dcc80987e | 31 | (+++) Enable the NVIC USART IRQ handle. |
mbed_official | 610:813dcc80987e | 32 | (+++) The specific USART interrupts (Transmission complete interrupt, |
mbed_official | 573:ad23fe03a082 | 33 | RXNE interrupt and Error Interrupts) will be managed using the macros |
mbed_official | 573:ad23fe03a082 | 34 | __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. |
mbed_official | 573:ad23fe03a082 | 35 | (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() |
mbed_official | 573:ad23fe03a082 | 36 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
mbed_official | 610:813dcc80987e | 37 | (+++) Declare a DMA handle structure for the Tx/Rx stream. |
mbed_official | 610:813dcc80987e | 38 | (+++) Enable the DMAx interface clock. |
mbed_official | 610:813dcc80987e | 39 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
mbed_official | 610:813dcc80987e | 40 | (+++) Configure the DMA Tx/Rx Stream. |
mbed_official | 610:813dcc80987e | 41 | (+++) Associate the initialized DMA handle to the USART DMA Tx/Rx handle. |
mbed_official | 610:813dcc80987e | 42 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx Stream. |
mbed_official | 573:ad23fe03a082 | 43 | |
mbed_official | 573:ad23fe03a082 | 44 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
mbed_official | 573:ad23fe03a082 | 45 | flow control and Mode(Receiver/Transmitter) in the husart Init structure. |
mbed_official | 573:ad23fe03a082 | 46 | |
mbed_official | 573:ad23fe03a082 | 47 | (#) Initialize the USART registers by calling the HAL_USART_Init() API: |
mbed_official | 610:813dcc80987e | 48 | (++) These API's configures also the low level Hardware (GPIO, CLOCK, CORTEX...etc) |
mbed_official | 610:813dcc80987e | 49 | by calling the customed HAL_USART_MspInit(&husart) API. |
mbed_official | 573:ad23fe03a082 | 50 | |
mbed_official | 573:ad23fe03a082 | 51 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 52 | ****************************************************************************** |
mbed_official | 573:ad23fe03a082 | 53 | * @attention |
mbed_official | 573:ad23fe03a082 | 54 | * |
mbed_official | 573:ad23fe03a082 | 55 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 573:ad23fe03a082 | 56 | * |
mbed_official | 573:ad23fe03a082 | 57 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 573:ad23fe03a082 | 58 | * are permitted provided that the following conditions are met: |
mbed_official | 573:ad23fe03a082 | 59 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 573:ad23fe03a082 | 60 | * this list of conditions and the following disclaimer. |
mbed_official | 573:ad23fe03a082 | 61 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 573:ad23fe03a082 | 62 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 573:ad23fe03a082 | 63 | * and/or other materials provided with the distribution. |
mbed_official | 573:ad23fe03a082 | 64 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 573:ad23fe03a082 | 65 | * may be used to endorse or promote products derived from this software |
mbed_official | 573:ad23fe03a082 | 66 | * without specific prior written permission. |
mbed_official | 573:ad23fe03a082 | 67 | * |
mbed_official | 573:ad23fe03a082 | 68 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 573:ad23fe03a082 | 69 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 573:ad23fe03a082 | 70 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 573:ad23fe03a082 | 71 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 573:ad23fe03a082 | 72 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 573:ad23fe03a082 | 73 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 573:ad23fe03a082 | 74 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 573:ad23fe03a082 | 75 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 573:ad23fe03a082 | 76 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 573:ad23fe03a082 | 77 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 573:ad23fe03a082 | 78 | * |
mbed_official | 573:ad23fe03a082 | 79 | ****************************************************************************** |
mbed_official | 573:ad23fe03a082 | 80 | */ |
mbed_official | 573:ad23fe03a082 | 81 | |
mbed_official | 573:ad23fe03a082 | 82 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 83 | #include "stm32f7xx_hal.h" |
mbed_official | 573:ad23fe03a082 | 84 | |
mbed_official | 573:ad23fe03a082 | 85 | /** @addtogroup STM32F7xx_HAL_Driver |
mbed_official | 573:ad23fe03a082 | 86 | * @{ |
mbed_official | 573:ad23fe03a082 | 87 | */ |
mbed_official | 573:ad23fe03a082 | 88 | |
mbed_official | 573:ad23fe03a082 | 89 | /** @defgroup USART USART |
mbed_official | 573:ad23fe03a082 | 90 | * @brief HAL USART Synchronous module driver |
mbed_official | 573:ad23fe03a082 | 91 | * @{ |
mbed_official | 573:ad23fe03a082 | 92 | */ |
mbed_official | 573:ad23fe03a082 | 93 | |
mbed_official | 573:ad23fe03a082 | 94 | #ifdef HAL_USART_MODULE_ENABLED |
mbed_official | 573:ad23fe03a082 | 95 | |
mbed_official | 573:ad23fe03a082 | 96 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 97 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 98 | /** @addtogroup USART_Private_Constants |
mbed_official | 573:ad23fe03a082 | 99 | * @{ |
mbed_official | 573:ad23fe03a082 | 100 | */ |
mbed_official | 573:ad23fe03a082 | 101 | #define DUMMY_DATA ((uint16_t) 0xFFFF) |
mbed_official | 573:ad23fe03a082 | 102 | #define TEACK_REACK_TIMEOUT ((uint32_t) 1000) |
mbed_official | 573:ad23fe03a082 | 103 | #define USART_TXDMA_TIMEOUTVALUE 22000 |
mbed_official | 573:ad23fe03a082 | 104 | #define USART_TIMEOUT_VALUE 22000 |
mbed_official | 573:ad23fe03a082 | 105 | #define USART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ |
mbed_official | 573:ad23fe03a082 | 106 | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) |
mbed_official | 573:ad23fe03a082 | 107 | #define USART_CR2_FIELDS ((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | \ |
mbed_official | 573:ad23fe03a082 | 108 | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP)) |
mbed_official | 573:ad23fe03a082 | 109 | /** |
mbed_official | 573:ad23fe03a082 | 110 | * @} |
mbed_official | 573:ad23fe03a082 | 111 | */ |
mbed_official | 573:ad23fe03a082 | 112 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 113 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 114 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 115 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 116 | /** @addtogroup USART_Private_Functions |
mbed_official | 573:ad23fe03a082 | 117 | * @{ |
mbed_official | 573:ad23fe03a082 | 118 | */ |
mbed_official | 573:ad23fe03a082 | 119 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 120 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 121 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 122 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 123 | static void USART_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 573:ad23fe03a082 | 124 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 573:ad23fe03a082 | 125 | static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart); |
mbed_official | 573:ad23fe03a082 | 126 | static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart); |
mbed_official | 573:ad23fe03a082 | 127 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 573:ad23fe03a082 | 128 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 573:ad23fe03a082 | 129 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); |
mbed_official | 573:ad23fe03a082 | 130 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); |
mbed_official | 573:ad23fe03a082 | 131 | /** |
mbed_official | 573:ad23fe03a082 | 132 | * @} |
mbed_official | 573:ad23fe03a082 | 133 | */ |
mbed_official | 573:ad23fe03a082 | 134 | |
mbed_official | 573:ad23fe03a082 | 135 | /* Exported functions --------------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 136 | |
mbed_official | 573:ad23fe03a082 | 137 | /** @defgroup USART_Exported_Functions USART Exported Functions |
mbed_official | 573:ad23fe03a082 | 138 | * @{ |
mbed_official | 573:ad23fe03a082 | 139 | */ |
mbed_official | 573:ad23fe03a082 | 140 | |
mbed_official | 573:ad23fe03a082 | 141 | /** @defgroup USART_Exported_Functions_Group1 USART Initialization and de-initialization functions |
mbed_official | 573:ad23fe03a082 | 142 | * @brief Initialization and Configuration functions |
mbed_official | 573:ad23fe03a082 | 143 | * |
mbed_official | 573:ad23fe03a082 | 144 | @verbatim |
mbed_official | 573:ad23fe03a082 | 145 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 146 | ##### Initialization and Configuration functions ##### |
mbed_official | 573:ad23fe03a082 | 147 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 148 | [..] |
mbed_official | 573:ad23fe03a082 | 149 | This subsection provides a set of functions allowing to initialize the USART |
mbed_official | 573:ad23fe03a082 | 150 | in asynchronous and in synchronous modes. |
mbed_official | 573:ad23fe03a082 | 151 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 573:ad23fe03a082 | 152 | (++) Baud Rate |
mbed_official | 573:ad23fe03a082 | 153 | (++) Word Length |
mbed_official | 573:ad23fe03a082 | 154 | (++) Stop Bit |
mbed_official | 573:ad23fe03a082 | 155 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 573:ad23fe03a082 | 156 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 573:ad23fe03a082 | 157 | Depending on the frame length defined by the M1 and M0 bits (7-bit, |
mbed_official | 573:ad23fe03a082 | 158 | 8-bit or 9-bit), the possible USART frame formats are as listed in the |
mbed_official | 573:ad23fe03a082 | 159 | following table: |
mbed_official | 573:ad23fe03a082 | 160 | |
mbed_official | 610:813dcc80987e | 161 | (+++) +---------------------------------------------------------------+ |
mbed_official | 610:813dcc80987e | 162 | (+++) | M1M0 bits | PCE bit | USART frame | |
mbed_official | 610:813dcc80987e | 163 | (+++) |-----------------------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 164 | (+++) | 10 | 0 | | SB | 7-bit data | STB | | |
mbed_official | 610:813dcc80987e | 165 | (+++) |-----------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 166 | (+++) | 10 | 1 | | SB | 6-bit data | PB | STB | | |
mbed_official | 610:813dcc80987e | 167 | (+++) +---------------------------------------------------------------+ |
mbed_official | 610:813dcc80987e | 168 | |
mbed_official | 573:ad23fe03a082 | 169 | (++) USART polarity |
mbed_official | 573:ad23fe03a082 | 170 | (++) USART phase |
mbed_official | 573:ad23fe03a082 | 171 | (++) USART LastBit |
mbed_official | 573:ad23fe03a082 | 172 | (++) Receiver/transmitter modes |
mbed_official | 573:ad23fe03a082 | 173 | |
mbed_official | 573:ad23fe03a082 | 174 | [..] |
mbed_official | 573:ad23fe03a082 | 175 | The HAL_USART_Init() function follows the USART synchronous configuration |
mbed_official | 573:ad23fe03a082 | 176 | procedure (details for the procedure are available in reference manual). |
mbed_official | 573:ad23fe03a082 | 177 | |
mbed_official | 573:ad23fe03a082 | 178 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 179 | * @{ |
mbed_official | 573:ad23fe03a082 | 180 | */ |
mbed_official | 573:ad23fe03a082 | 181 | |
mbed_official | 573:ad23fe03a082 | 182 | /** |
mbed_official | 573:ad23fe03a082 | 183 | * @brief Initializes the USART mode according to the specified |
mbed_official | 573:ad23fe03a082 | 184 | * parameters in the USART_InitTypeDef and create the associated handle. |
mbed_official | 573:ad23fe03a082 | 185 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 186 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 187 | */ |
mbed_official | 573:ad23fe03a082 | 188 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 189 | { |
mbed_official | 573:ad23fe03a082 | 190 | /* Check the USART handle allocation */ |
mbed_official | 573:ad23fe03a082 | 191 | if(husart == NULL) |
mbed_official | 573:ad23fe03a082 | 192 | { |
mbed_official | 573:ad23fe03a082 | 193 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 194 | } |
mbed_official | 573:ad23fe03a082 | 195 | |
mbed_official | 573:ad23fe03a082 | 196 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 197 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 573:ad23fe03a082 | 198 | |
mbed_official | 573:ad23fe03a082 | 199 | if(husart->State == HAL_USART_STATE_RESET) |
mbed_official | 573:ad23fe03a082 | 200 | { |
mbed_official | 573:ad23fe03a082 | 201 | /* Allocate lock resource and initialize it */ |
mbed_official | 573:ad23fe03a082 | 202 | husart->Lock = HAL_UNLOCKED; |
mbed_official | 573:ad23fe03a082 | 203 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 573:ad23fe03a082 | 204 | HAL_USART_MspInit(husart); |
mbed_official | 573:ad23fe03a082 | 205 | } |
mbed_official | 573:ad23fe03a082 | 206 | |
mbed_official | 573:ad23fe03a082 | 207 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 573:ad23fe03a082 | 208 | |
mbed_official | 573:ad23fe03a082 | 209 | /* Disable the Peripheral */ |
mbed_official | 573:ad23fe03a082 | 210 | __HAL_USART_DISABLE(husart); |
mbed_official | 573:ad23fe03a082 | 211 | |
mbed_official | 573:ad23fe03a082 | 212 | /* Set the Usart Communication parameters */ |
mbed_official | 573:ad23fe03a082 | 213 | if (USART_SetConfig(husart) == HAL_ERROR) |
mbed_official | 573:ad23fe03a082 | 214 | { |
mbed_official | 573:ad23fe03a082 | 215 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 216 | } |
mbed_official | 573:ad23fe03a082 | 217 | |
mbed_official | 573:ad23fe03a082 | 218 | /* In Synchronous mode, the following bits must be kept cleared: |
mbed_official | 573:ad23fe03a082 | 219 | - LINEN bit in the USART_CR2 register |
mbed_official | 573:ad23fe03a082 | 220 | - HDSEL, SCEN and IREN bits in the USART_CR3 register.*/ |
mbed_official | 573:ad23fe03a082 | 221 | husart->Instance->CR2 &= ~USART_CR2_LINEN; |
mbed_official | 573:ad23fe03a082 | 222 | husart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 573:ad23fe03a082 | 223 | |
mbed_official | 573:ad23fe03a082 | 224 | /* Enable the Peripheral */ |
mbed_official | 573:ad23fe03a082 | 225 | __HAL_USART_ENABLE(husart); |
mbed_official | 573:ad23fe03a082 | 226 | |
mbed_official | 573:ad23fe03a082 | 227 | /* TEACK and/or REACK to check before moving husart->State to Ready */ |
mbed_official | 573:ad23fe03a082 | 228 | return (USART_CheckIdleState(husart)); |
mbed_official | 573:ad23fe03a082 | 229 | } |
mbed_official | 573:ad23fe03a082 | 230 | |
mbed_official | 573:ad23fe03a082 | 231 | /** |
mbed_official | 573:ad23fe03a082 | 232 | * @brief DeInitializes the USART peripheral |
mbed_official | 573:ad23fe03a082 | 233 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 234 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 235 | */ |
mbed_official | 573:ad23fe03a082 | 236 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 237 | { |
mbed_official | 573:ad23fe03a082 | 238 | /* Check the USART handle allocation */ |
mbed_official | 573:ad23fe03a082 | 239 | if(husart == NULL) |
mbed_official | 573:ad23fe03a082 | 240 | { |
mbed_official | 573:ad23fe03a082 | 241 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 242 | } |
mbed_official | 573:ad23fe03a082 | 243 | |
mbed_official | 573:ad23fe03a082 | 244 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 245 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 573:ad23fe03a082 | 246 | |
mbed_official | 573:ad23fe03a082 | 247 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 573:ad23fe03a082 | 248 | |
mbed_official | 573:ad23fe03a082 | 249 | husart->Instance->CR1 = 0x0; |
mbed_official | 573:ad23fe03a082 | 250 | husart->Instance->CR2 = 0x0; |
mbed_official | 573:ad23fe03a082 | 251 | husart->Instance->CR3 = 0x0; |
mbed_official | 573:ad23fe03a082 | 252 | |
mbed_official | 573:ad23fe03a082 | 253 | /* DeInit the low level hardware */ |
mbed_official | 573:ad23fe03a082 | 254 | HAL_USART_MspDeInit(husart); |
mbed_official | 573:ad23fe03a082 | 255 | |
mbed_official | 573:ad23fe03a082 | 256 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 257 | husart->State = HAL_USART_STATE_RESET; |
mbed_official | 573:ad23fe03a082 | 258 | |
mbed_official | 573:ad23fe03a082 | 259 | /* Process Unlock */ |
mbed_official | 573:ad23fe03a082 | 260 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 261 | |
mbed_official | 573:ad23fe03a082 | 262 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 263 | } |
mbed_official | 573:ad23fe03a082 | 264 | |
mbed_official | 573:ad23fe03a082 | 265 | /** |
mbed_official | 573:ad23fe03a082 | 266 | * @brief USART MSP Init |
mbed_official | 573:ad23fe03a082 | 267 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 268 | * @retval None |
mbed_official | 573:ad23fe03a082 | 269 | */ |
mbed_official | 573:ad23fe03a082 | 270 | __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 271 | { |
mbed_official | 573:ad23fe03a082 | 272 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 273 | the HAL_USART_MspInit can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 274 | */ |
mbed_official | 573:ad23fe03a082 | 275 | } |
mbed_official | 573:ad23fe03a082 | 276 | |
mbed_official | 573:ad23fe03a082 | 277 | /** |
mbed_official | 573:ad23fe03a082 | 278 | * @brief USART MSP DeInit |
mbed_official | 573:ad23fe03a082 | 279 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 280 | * @retval None |
mbed_official | 573:ad23fe03a082 | 281 | */ |
mbed_official | 573:ad23fe03a082 | 282 | __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 283 | { |
mbed_official | 573:ad23fe03a082 | 284 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 285 | the HAL_USART_MspDeInit can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 286 | */ |
mbed_official | 573:ad23fe03a082 | 287 | } |
mbed_official | 573:ad23fe03a082 | 288 | |
mbed_official | 573:ad23fe03a082 | 289 | /** |
mbed_official | 573:ad23fe03a082 | 290 | * @} |
mbed_official | 573:ad23fe03a082 | 291 | */ |
mbed_official | 573:ad23fe03a082 | 292 | |
mbed_official | 573:ad23fe03a082 | 293 | /** @defgroup USART_Exported_Functions_Group2 IO operation functions |
mbed_official | 573:ad23fe03a082 | 294 | * @brief USART Transmit and Receive functions |
mbed_official | 573:ad23fe03a082 | 295 | * |
mbed_official | 573:ad23fe03a082 | 296 | @verbatim |
mbed_official | 573:ad23fe03a082 | 297 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 298 | ##### IO operation functions ##### |
mbed_official | 573:ad23fe03a082 | 299 | =============================================================================== |
mbed_official | 573:ad23fe03a082 | 300 | This subsection provides a set of functions allowing to manage the USART synchronous |
mbed_official | 573:ad23fe03a082 | 301 | data transfers. |
mbed_official | 573:ad23fe03a082 | 302 | |
mbed_official | 573:ad23fe03a082 | 303 | [..] The USART supports master mode only: it cannot receive or send data related to an input |
mbed_official | 573:ad23fe03a082 | 304 | clock (SCLK is always an output). |
mbed_official | 573:ad23fe03a082 | 305 | |
mbed_official | 573:ad23fe03a082 | 306 | (#) There are two mode of transfer: |
mbed_official | 610:813dcc80987e | 307 | (++) Blocking mode: The communication is performed in polling mode. |
mbed_official | 573:ad23fe03a082 | 308 | The HAL status of all data processing is returned by the same function |
mbed_official | 573:ad23fe03a082 | 309 | after finishing transfer. |
mbed_official | 610:813dcc80987e | 310 | (++) No-Blocking mode: The communication is performed using Interrupts |
mbed_official | 573:ad23fe03a082 | 311 | or DMA, These API's return the HAL status. |
mbed_official | 573:ad23fe03a082 | 312 | The end of the data processing will be indicated through the |
mbed_official | 573:ad23fe03a082 | 313 | dedicated USART IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 573:ad23fe03a082 | 314 | using DMA mode. |
mbed_official | 573:ad23fe03a082 | 315 | The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() user callbacks |
mbed_official | 573:ad23fe03a082 | 316 | will be executed respectively at the end of the transmit or Receive process |
mbed_official | 573:ad23fe03a082 | 317 | The HAL_USART_ErrorCallback()user callback will be executed when a communication error is detected |
mbed_official | 573:ad23fe03a082 | 318 | |
mbed_official | 573:ad23fe03a082 | 319 | (#) Blocking mode API's are : |
mbed_official | 610:813dcc80987e | 320 | (++) HAL_USART_Transmit()in simplex mode |
mbed_official | 610:813dcc80987e | 321 | (++) HAL_USART_Receive() in full duplex receive only |
mbed_official | 610:813dcc80987e | 322 | (++) HAL_USART_TransmitReceive() in full duplex mode |
mbed_official | 573:ad23fe03a082 | 323 | |
mbed_official | 573:ad23fe03a082 | 324 | (#) Non-Blocking mode API's with Interrupt are : |
mbed_official | 610:813dcc80987e | 325 | (++) HAL_USART_Transmit_IT()in simplex mode |
mbed_official | 610:813dcc80987e | 326 | (++) HAL_USART_Receive_IT() in full duplex receive only |
mbed_official | 610:813dcc80987e | 327 | (++) HAL_USART_TransmitReceive_IT()in full duplex mode |
mbed_official | 610:813dcc80987e | 328 | (++) HAL_USART_IRQHandler() |
mbed_official | 573:ad23fe03a082 | 329 | |
mbed_official | 573:ad23fe03a082 | 330 | (#) No-Blocking mode functions with DMA are : |
mbed_official | 610:813dcc80987e | 331 | (++) HAL_USART_Transmit_DMA()in simplex mode |
mbed_official | 610:813dcc80987e | 332 | (++) HAL_USART_Receive_DMA() in full duplex receive only |
mbed_official | 610:813dcc80987e | 333 | (++) HAL_USART_TransmitReceive_DMA() in full duplex mode |
mbed_official | 610:813dcc80987e | 334 | (++) HAL_USART_DMAPause() |
mbed_official | 610:813dcc80987e | 335 | (++) HAL_USART_DMAResume() |
mbed_official | 610:813dcc80987e | 336 | (++) HAL_USART_DMAStop() |
mbed_official | 573:ad23fe03a082 | 337 | |
mbed_official | 573:ad23fe03a082 | 338 | (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: |
mbed_official | 610:813dcc80987e | 339 | (++) HAL_USART_TxCpltCallback() |
mbed_official | 610:813dcc80987e | 340 | (++) HAL_USART_RxCpltCallback() |
mbed_official | 610:813dcc80987e | 341 | (++) HAL_USART_TxHalfCpltCallback() |
mbed_official | 610:813dcc80987e | 342 | (++) HAL_USART_RxHalfCpltCallback() |
mbed_official | 610:813dcc80987e | 343 | (++) HAL_USART_ErrorCallback() |
mbed_official | 610:813dcc80987e | 344 | (++) HAL_USART_TxRxCpltCallback() |
mbed_official | 573:ad23fe03a082 | 345 | |
mbed_official | 573:ad23fe03a082 | 346 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 347 | * @{ |
mbed_official | 573:ad23fe03a082 | 348 | */ |
mbed_official | 573:ad23fe03a082 | 349 | |
mbed_official | 573:ad23fe03a082 | 350 | /** |
mbed_official | 573:ad23fe03a082 | 351 | * @brief Simplex Send an amount of data in blocking mode |
mbed_official | 573:ad23fe03a082 | 352 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 353 | * @param pTxData: pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 354 | * @param Size: amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 355 | * @param Timeout : Timeout duration |
mbed_official | 573:ad23fe03a082 | 356 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 357 | */ |
mbed_official | 573:ad23fe03a082 | 358 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 359 | { |
mbed_official | 573:ad23fe03a082 | 360 | uint16_t* tmp; |
mbed_official | 573:ad23fe03a082 | 361 | |
mbed_official | 573:ad23fe03a082 | 362 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 363 | { |
mbed_official | 573:ad23fe03a082 | 364 | if((pTxData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 365 | { |
mbed_official | 573:ad23fe03a082 | 366 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 367 | } |
mbed_official | 573:ad23fe03a082 | 368 | |
mbed_official | 573:ad23fe03a082 | 369 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 370 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 371 | |
mbed_official | 573:ad23fe03a082 | 372 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 373 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 374 | |
mbed_official | 573:ad23fe03a082 | 375 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 376 | husart->TxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 377 | |
mbed_official | 573:ad23fe03a082 | 378 | /* Check the remaining data to be sent */ |
mbed_official | 573:ad23fe03a082 | 379 | while(husart->TxXferCount > 0) |
mbed_official | 573:ad23fe03a082 | 380 | { |
mbed_official | 573:ad23fe03a082 | 381 | husart->TxXferCount--; |
mbed_official | 573:ad23fe03a082 | 382 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 383 | { |
mbed_official | 573:ad23fe03a082 | 384 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 385 | } |
mbed_official | 573:ad23fe03a082 | 386 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 387 | { |
mbed_official | 573:ad23fe03a082 | 388 | tmp = (uint16_t*) pTxData; |
mbed_official | 573:ad23fe03a082 | 389 | husart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 573:ad23fe03a082 | 390 | pTxData += 2; |
mbed_official | 573:ad23fe03a082 | 391 | } |
mbed_official | 573:ad23fe03a082 | 392 | else |
mbed_official | 573:ad23fe03a082 | 393 | { |
mbed_official | 573:ad23fe03a082 | 394 | husart->Instance->TDR = (*pTxData++ & (uint8_t)0xFF); |
mbed_official | 573:ad23fe03a082 | 395 | } |
mbed_official | 573:ad23fe03a082 | 396 | } |
mbed_official | 573:ad23fe03a082 | 397 | |
mbed_official | 573:ad23fe03a082 | 398 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 399 | { |
mbed_official | 573:ad23fe03a082 | 400 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 401 | } |
mbed_official | 573:ad23fe03a082 | 402 | |
mbed_official | 573:ad23fe03a082 | 403 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 404 | |
mbed_official | 573:ad23fe03a082 | 405 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 406 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 407 | |
mbed_official | 573:ad23fe03a082 | 408 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 409 | } |
mbed_official | 573:ad23fe03a082 | 410 | else |
mbed_official | 573:ad23fe03a082 | 411 | { |
mbed_official | 573:ad23fe03a082 | 412 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 413 | } |
mbed_official | 573:ad23fe03a082 | 414 | } |
mbed_official | 573:ad23fe03a082 | 415 | |
mbed_official | 573:ad23fe03a082 | 416 | /** |
mbed_official | 573:ad23fe03a082 | 417 | * @brief Receive an amount of data in blocking mode |
mbed_official | 573:ad23fe03a082 | 418 | * @note To receive synchronous data, dummy data are simultaneously transmitted |
mbed_official | 573:ad23fe03a082 | 419 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 420 | * @param pRxData: pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 421 | * @param Size: amount of data to be received |
mbed_official | 573:ad23fe03a082 | 422 | * @param Timeout : Timeout duration |
mbed_official | 573:ad23fe03a082 | 423 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 424 | */ |
mbed_official | 573:ad23fe03a082 | 425 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 426 | { |
mbed_official | 573:ad23fe03a082 | 427 | uint16_t* tmp; |
mbed_official | 573:ad23fe03a082 | 428 | uint16_t uhMask; |
mbed_official | 573:ad23fe03a082 | 429 | |
mbed_official | 573:ad23fe03a082 | 430 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 431 | { |
mbed_official | 573:ad23fe03a082 | 432 | if((pRxData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 433 | { |
mbed_official | 573:ad23fe03a082 | 434 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 435 | } |
mbed_official | 573:ad23fe03a082 | 436 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 437 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 438 | |
mbed_official | 573:ad23fe03a082 | 439 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 440 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 441 | |
mbed_official | 573:ad23fe03a082 | 442 | husart->RxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 443 | husart->RxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 444 | |
mbed_official | 573:ad23fe03a082 | 445 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 573:ad23fe03a082 | 446 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 573:ad23fe03a082 | 447 | uhMask = husart->Mask; |
mbed_official | 573:ad23fe03a082 | 448 | |
mbed_official | 573:ad23fe03a082 | 449 | /* as long as data have to be received */ |
mbed_official | 573:ad23fe03a082 | 450 | while(husart->RxXferCount > 0) |
mbed_official | 573:ad23fe03a082 | 451 | { |
mbed_official | 573:ad23fe03a082 | 452 | husart->RxXferCount--; |
mbed_official | 573:ad23fe03a082 | 453 | |
mbed_official | 573:ad23fe03a082 | 454 | /* Wait until TC flag is set to send dummy byte in order to generate the |
mbed_official | 573:ad23fe03a082 | 455 | * clock for the slave to send data. |
mbed_official | 573:ad23fe03a082 | 456 | * Whatever the frame length (7, 8 or 9-bit long), the same dummy value |
mbed_official | 573:ad23fe03a082 | 457 | * can be written for all the cases. */ |
mbed_official | 573:ad23fe03a082 | 458 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 459 | { |
mbed_official | 573:ad23fe03a082 | 460 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 461 | } |
mbed_official | 573:ad23fe03a082 | 462 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x0FF); |
mbed_official | 573:ad23fe03a082 | 463 | |
mbed_official | 573:ad23fe03a082 | 464 | /* Wait for RXNE Flag */ |
mbed_official | 573:ad23fe03a082 | 465 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 466 | { |
mbed_official | 573:ad23fe03a082 | 467 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 468 | } |
mbed_official | 573:ad23fe03a082 | 469 | |
mbed_official | 573:ad23fe03a082 | 470 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 471 | { |
mbed_official | 573:ad23fe03a082 | 472 | tmp = (uint16_t*) pRxData ; |
mbed_official | 573:ad23fe03a082 | 473 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 573:ad23fe03a082 | 474 | pRxData +=2; |
mbed_official | 573:ad23fe03a082 | 475 | } |
mbed_official | 573:ad23fe03a082 | 476 | else |
mbed_official | 573:ad23fe03a082 | 477 | { |
mbed_official | 573:ad23fe03a082 | 478 | *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 573:ad23fe03a082 | 479 | } |
mbed_official | 573:ad23fe03a082 | 480 | } |
mbed_official | 573:ad23fe03a082 | 481 | |
mbed_official | 573:ad23fe03a082 | 482 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 483 | |
mbed_official | 573:ad23fe03a082 | 484 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 485 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 486 | |
mbed_official | 573:ad23fe03a082 | 487 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 488 | } |
mbed_official | 573:ad23fe03a082 | 489 | else |
mbed_official | 573:ad23fe03a082 | 490 | { |
mbed_official | 573:ad23fe03a082 | 491 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 492 | } |
mbed_official | 573:ad23fe03a082 | 493 | } |
mbed_official | 573:ad23fe03a082 | 494 | |
mbed_official | 573:ad23fe03a082 | 495 | /** |
mbed_official | 573:ad23fe03a082 | 496 | * @brief Full-Duplex Send and Receive an amount of data in blocking mode |
mbed_official | 573:ad23fe03a082 | 497 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 498 | * @param pTxData: pointer to TX data buffer |
mbed_official | 573:ad23fe03a082 | 499 | * @param pRxData: pointer to RX data buffer |
mbed_official | 573:ad23fe03a082 | 500 | * @param Size: amount of data to be sent (same amount to be received) |
mbed_official | 573:ad23fe03a082 | 501 | * @param Timeout : Timeout duration |
mbed_official | 573:ad23fe03a082 | 502 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 503 | */ |
mbed_official | 573:ad23fe03a082 | 504 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 505 | { |
mbed_official | 573:ad23fe03a082 | 506 | uint16_t* tmp; |
mbed_official | 573:ad23fe03a082 | 507 | uint16_t uhMask; |
mbed_official | 573:ad23fe03a082 | 508 | |
mbed_official | 573:ad23fe03a082 | 509 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 510 | { |
mbed_official | 573:ad23fe03a082 | 511 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 512 | { |
mbed_official | 573:ad23fe03a082 | 513 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 514 | } |
mbed_official | 573:ad23fe03a082 | 515 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 516 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 517 | |
mbed_official | 573:ad23fe03a082 | 518 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 519 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 520 | |
mbed_official | 573:ad23fe03a082 | 521 | husart->RxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 522 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 523 | husart->TxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 524 | husart->RxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 525 | |
mbed_official | 573:ad23fe03a082 | 526 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 573:ad23fe03a082 | 527 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 573:ad23fe03a082 | 528 | uhMask = husart->Mask; |
mbed_official | 573:ad23fe03a082 | 529 | |
mbed_official | 573:ad23fe03a082 | 530 | /* Check the remain data to be sent */ |
mbed_official | 573:ad23fe03a082 | 531 | while(husart->TxXferCount > 0) |
mbed_official | 573:ad23fe03a082 | 532 | { |
mbed_official | 573:ad23fe03a082 | 533 | husart->TxXferCount--; |
mbed_official | 573:ad23fe03a082 | 534 | husart->RxXferCount--; |
mbed_official | 573:ad23fe03a082 | 535 | |
mbed_official | 573:ad23fe03a082 | 536 | /* Wait until TC flag is set to send data */ |
mbed_official | 573:ad23fe03a082 | 537 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 538 | { |
mbed_official | 573:ad23fe03a082 | 539 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 540 | } |
mbed_official | 573:ad23fe03a082 | 541 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 542 | { |
mbed_official | 573:ad23fe03a082 | 543 | tmp = (uint16_t*) pTxData; |
mbed_official | 573:ad23fe03a082 | 544 | husart->Instance->TDR = (*tmp & uhMask); |
mbed_official | 573:ad23fe03a082 | 545 | pTxData += 2; |
mbed_official | 573:ad23fe03a082 | 546 | } |
mbed_official | 573:ad23fe03a082 | 547 | else |
mbed_official | 573:ad23fe03a082 | 548 | { |
mbed_official | 573:ad23fe03a082 | 549 | husart->Instance->TDR = (*pTxData++ & (uint8_t)uhMask); |
mbed_official | 573:ad23fe03a082 | 550 | } |
mbed_official | 573:ad23fe03a082 | 551 | |
mbed_official | 573:ad23fe03a082 | 552 | /* Wait for RXNE Flag */ |
mbed_official | 573:ad23fe03a082 | 553 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 554 | { |
mbed_official | 573:ad23fe03a082 | 555 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 556 | } |
mbed_official | 573:ad23fe03a082 | 557 | |
mbed_official | 573:ad23fe03a082 | 558 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 559 | { |
mbed_official | 573:ad23fe03a082 | 560 | tmp = (uint16_t*) pRxData ; |
mbed_official | 573:ad23fe03a082 | 561 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 573:ad23fe03a082 | 562 | pRxData +=2; |
mbed_official | 573:ad23fe03a082 | 563 | } |
mbed_official | 573:ad23fe03a082 | 564 | else |
mbed_official | 573:ad23fe03a082 | 565 | { |
mbed_official | 573:ad23fe03a082 | 566 | *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 573:ad23fe03a082 | 567 | } |
mbed_official | 573:ad23fe03a082 | 568 | } |
mbed_official | 573:ad23fe03a082 | 569 | |
mbed_official | 573:ad23fe03a082 | 570 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 571 | |
mbed_official | 573:ad23fe03a082 | 572 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 573 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 574 | |
mbed_official | 573:ad23fe03a082 | 575 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 576 | } |
mbed_official | 573:ad23fe03a082 | 577 | else |
mbed_official | 573:ad23fe03a082 | 578 | { |
mbed_official | 573:ad23fe03a082 | 579 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 580 | } |
mbed_official | 573:ad23fe03a082 | 581 | } |
mbed_official | 573:ad23fe03a082 | 582 | |
mbed_official | 573:ad23fe03a082 | 583 | /** |
mbed_official | 573:ad23fe03a082 | 584 | * @brief Send an amount of data in interrupt mode |
mbed_official | 573:ad23fe03a082 | 585 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 586 | * @param pTxData: pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 587 | * @param Size: amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 588 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 589 | */ |
mbed_official | 573:ad23fe03a082 | 590 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 591 | { |
mbed_official | 573:ad23fe03a082 | 592 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 593 | { |
mbed_official | 573:ad23fe03a082 | 594 | if((pTxData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 595 | { |
mbed_official | 573:ad23fe03a082 | 596 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 597 | } |
mbed_official | 573:ad23fe03a082 | 598 | |
mbed_official | 573:ad23fe03a082 | 599 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 600 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 601 | |
mbed_official | 573:ad23fe03a082 | 602 | husart->pTxBuffPtr = pTxData; |
mbed_official | 573:ad23fe03a082 | 603 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 604 | husart->TxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 605 | |
mbed_official | 573:ad23fe03a082 | 606 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 607 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 608 | |
mbed_official | 573:ad23fe03a082 | 609 | /* The USART Error Interrupts: (Frame error, noise error, overrun error) |
mbed_official | 573:ad23fe03a082 | 610 | are not managed by the USART Transmit Process to avoid the overrun interrupt |
mbed_official | 573:ad23fe03a082 | 611 | when the usart mode is configured for transmit and receive "USART_MODE_TX_RX" |
mbed_official | 573:ad23fe03a082 | 612 | to benefit for the frame error and noise interrupts the usart mode should be |
mbed_official | 573:ad23fe03a082 | 613 | configured only for transmit "USART_MODE_TX" */ |
mbed_official | 573:ad23fe03a082 | 614 | |
mbed_official | 573:ad23fe03a082 | 615 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 616 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 617 | |
mbed_official | 573:ad23fe03a082 | 618 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 573:ad23fe03a082 | 619 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 573:ad23fe03a082 | 620 | |
mbed_official | 573:ad23fe03a082 | 621 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 622 | } |
mbed_official | 573:ad23fe03a082 | 623 | else |
mbed_official | 573:ad23fe03a082 | 624 | { |
mbed_official | 573:ad23fe03a082 | 625 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 626 | } |
mbed_official | 573:ad23fe03a082 | 627 | } |
mbed_official | 573:ad23fe03a082 | 628 | |
mbed_official | 573:ad23fe03a082 | 629 | /** |
mbed_official | 573:ad23fe03a082 | 630 | * @brief Receive an amount of data in blocking mode |
mbed_official | 573:ad23fe03a082 | 631 | * To receive synchronous data, dummy data are simultaneously transmitted |
mbed_official | 573:ad23fe03a082 | 632 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 633 | * @param pRxData: pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 634 | * @param Size: amount of data to be received |
mbed_official | 573:ad23fe03a082 | 635 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 636 | */ |
mbed_official | 573:ad23fe03a082 | 637 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 638 | { |
mbed_official | 573:ad23fe03a082 | 639 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 640 | { |
mbed_official | 573:ad23fe03a082 | 641 | if((pRxData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 642 | { |
mbed_official | 573:ad23fe03a082 | 643 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 644 | } |
mbed_official | 573:ad23fe03a082 | 645 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 646 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 647 | |
mbed_official | 573:ad23fe03a082 | 648 | husart->pRxBuffPtr = pRxData; |
mbed_official | 573:ad23fe03a082 | 649 | husart->RxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 650 | husart->RxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 651 | |
mbed_official | 573:ad23fe03a082 | 652 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 573:ad23fe03a082 | 653 | |
mbed_official | 573:ad23fe03a082 | 654 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 655 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 656 | |
mbed_official | 573:ad23fe03a082 | 657 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 573:ad23fe03a082 | 658 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 573:ad23fe03a082 | 659 | |
mbed_official | 573:ad23fe03a082 | 660 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 573:ad23fe03a082 | 661 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 662 | |
mbed_official | 573:ad23fe03a082 | 663 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 573:ad23fe03a082 | 664 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 573:ad23fe03a082 | 665 | |
mbed_official | 573:ad23fe03a082 | 666 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 667 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 668 | |
mbed_official | 573:ad23fe03a082 | 669 | |
mbed_official | 573:ad23fe03a082 | 670 | /* Send dummy byte in order to generate the clock for the Slave to send the next data */ |
mbed_official | 573:ad23fe03a082 | 671 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 573:ad23fe03a082 | 672 | { |
mbed_official | 573:ad23fe03a082 | 673 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x01FF); |
mbed_official | 573:ad23fe03a082 | 674 | } |
mbed_official | 573:ad23fe03a082 | 675 | else |
mbed_official | 573:ad23fe03a082 | 676 | { |
mbed_official | 573:ad23fe03a082 | 677 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x00FF); |
mbed_official | 573:ad23fe03a082 | 678 | } |
mbed_official | 573:ad23fe03a082 | 679 | |
mbed_official | 573:ad23fe03a082 | 680 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 681 | } |
mbed_official | 573:ad23fe03a082 | 682 | else |
mbed_official | 573:ad23fe03a082 | 683 | { |
mbed_official | 573:ad23fe03a082 | 684 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 685 | } |
mbed_official | 573:ad23fe03a082 | 686 | } |
mbed_official | 573:ad23fe03a082 | 687 | |
mbed_official | 573:ad23fe03a082 | 688 | /** |
mbed_official | 573:ad23fe03a082 | 689 | * @brief Full-Duplex Send and Receive an amount of data in interrupt mode |
mbed_official | 573:ad23fe03a082 | 690 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 691 | * @param pTxData: pointer to TX data buffer |
mbed_official | 573:ad23fe03a082 | 692 | * @param pRxData: pointer to RX data buffer |
mbed_official | 573:ad23fe03a082 | 693 | * @param Size: amount of data to be sent (same amount to be received) |
mbed_official | 573:ad23fe03a082 | 694 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 695 | */ |
mbed_official | 573:ad23fe03a082 | 696 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 697 | { |
mbed_official | 573:ad23fe03a082 | 698 | |
mbed_official | 573:ad23fe03a082 | 699 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 700 | { |
mbed_official | 573:ad23fe03a082 | 701 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 702 | { |
mbed_official | 573:ad23fe03a082 | 703 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 704 | } |
mbed_official | 573:ad23fe03a082 | 705 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 706 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 707 | |
mbed_official | 573:ad23fe03a082 | 708 | husart->pRxBuffPtr = pRxData; |
mbed_official | 573:ad23fe03a082 | 709 | husart->RxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 710 | husart->RxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 711 | husart->pTxBuffPtr = pTxData; |
mbed_official | 573:ad23fe03a082 | 712 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 713 | husart->TxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 714 | |
mbed_official | 573:ad23fe03a082 | 715 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 573:ad23fe03a082 | 716 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 573:ad23fe03a082 | 717 | |
mbed_official | 573:ad23fe03a082 | 718 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 719 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 573:ad23fe03a082 | 720 | |
mbed_official | 573:ad23fe03a082 | 721 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 573:ad23fe03a082 | 722 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 573:ad23fe03a082 | 723 | |
mbed_official | 573:ad23fe03a082 | 724 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 573:ad23fe03a082 | 725 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 573:ad23fe03a082 | 726 | |
mbed_official | 573:ad23fe03a082 | 727 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 573:ad23fe03a082 | 728 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 729 | |
mbed_official | 573:ad23fe03a082 | 730 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 731 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 732 | |
mbed_official | 573:ad23fe03a082 | 733 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 573:ad23fe03a082 | 734 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 573:ad23fe03a082 | 735 | |
mbed_official | 573:ad23fe03a082 | 736 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 737 | } |
mbed_official | 573:ad23fe03a082 | 738 | else |
mbed_official | 573:ad23fe03a082 | 739 | { |
mbed_official | 573:ad23fe03a082 | 740 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 741 | } |
mbed_official | 573:ad23fe03a082 | 742 | |
mbed_official | 573:ad23fe03a082 | 743 | } |
mbed_official | 573:ad23fe03a082 | 744 | |
mbed_official | 573:ad23fe03a082 | 745 | /** |
mbed_official | 573:ad23fe03a082 | 746 | * @brief Send an amount of data in DMA mode |
mbed_official | 573:ad23fe03a082 | 747 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 748 | * @param pTxData: pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 749 | * @param Size: amount of data to be sent |
mbed_official | 573:ad23fe03a082 | 750 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 751 | */ |
mbed_official | 573:ad23fe03a082 | 752 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 753 | { |
mbed_official | 573:ad23fe03a082 | 754 | uint32_t *tmp; |
mbed_official | 573:ad23fe03a082 | 755 | |
mbed_official | 573:ad23fe03a082 | 756 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 757 | { |
mbed_official | 573:ad23fe03a082 | 758 | if((pTxData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 759 | { |
mbed_official | 573:ad23fe03a082 | 760 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 761 | } |
mbed_official | 573:ad23fe03a082 | 762 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 763 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 764 | |
mbed_official | 573:ad23fe03a082 | 765 | husart->pTxBuffPtr = pTxData; |
mbed_official | 573:ad23fe03a082 | 766 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 767 | husart->TxXferCount = Size; |
mbed_official | 573:ad23fe03a082 | 768 | |
mbed_official | 573:ad23fe03a082 | 769 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 770 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 573:ad23fe03a082 | 771 | |
mbed_official | 573:ad23fe03a082 | 772 | /* Set the USART DMA transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 773 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 573:ad23fe03a082 | 774 | |
mbed_official | 573:ad23fe03a082 | 775 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 776 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 573:ad23fe03a082 | 777 | |
mbed_official | 573:ad23fe03a082 | 778 | /* Set the DMA error callback */ |
mbed_official | 573:ad23fe03a082 | 779 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 573:ad23fe03a082 | 780 | |
mbed_official | 573:ad23fe03a082 | 781 | /* Enable the USART transmit DMA channel */ |
mbed_official | 573:ad23fe03a082 | 782 | tmp = (uint32_t*)&pTxData; |
mbed_official | 573:ad23fe03a082 | 783 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 573:ad23fe03a082 | 784 | |
mbed_official | 573:ad23fe03a082 | 785 | |
mbed_official | 573:ad23fe03a082 | 786 | /* Clear the TC flag in the SR register by writing 0 to it */ |
mbed_official | 573:ad23fe03a082 | 787 | __HAL_USART_CLEAR_IT(husart, USART_FLAG_TC); |
mbed_official | 573:ad23fe03a082 | 788 | |
mbed_official | 573:ad23fe03a082 | 789 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 573:ad23fe03a082 | 790 | in the USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 791 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 573:ad23fe03a082 | 792 | |
mbed_official | 573:ad23fe03a082 | 793 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 794 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 795 | |
mbed_official | 573:ad23fe03a082 | 796 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 797 | } |
mbed_official | 573:ad23fe03a082 | 798 | else |
mbed_official | 573:ad23fe03a082 | 799 | { |
mbed_official | 573:ad23fe03a082 | 800 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 801 | } |
mbed_official | 573:ad23fe03a082 | 802 | } |
mbed_official | 573:ad23fe03a082 | 803 | |
mbed_official | 573:ad23fe03a082 | 804 | /** |
mbed_official | 573:ad23fe03a082 | 805 | * @brief Receive an amount of data in DMA mode |
mbed_official | 573:ad23fe03a082 | 806 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 807 | * @param pRxData: pointer to data buffer |
mbed_official | 573:ad23fe03a082 | 808 | * @param Size: amount of data to be received |
mbed_official | 573:ad23fe03a082 | 809 | * @note When the USART parity is enabled (PCE = 1), the received data contain |
mbed_official | 573:ad23fe03a082 | 810 | * the parity bit (MSB position) |
mbed_official | 573:ad23fe03a082 | 811 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 812 | * @note The USART DMA transmit stream must be configured in order to generate the clock for the slave. |
mbed_official | 573:ad23fe03a082 | 813 | */ |
mbed_official | 573:ad23fe03a082 | 814 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 815 | { |
mbed_official | 573:ad23fe03a082 | 816 | uint32_t *tmp; |
mbed_official | 573:ad23fe03a082 | 817 | |
mbed_official | 573:ad23fe03a082 | 818 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 819 | { |
mbed_official | 573:ad23fe03a082 | 820 | if((pRxData == NULL ) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 821 | { |
mbed_official | 573:ad23fe03a082 | 822 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 823 | } |
mbed_official | 573:ad23fe03a082 | 824 | |
mbed_official | 573:ad23fe03a082 | 825 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 826 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 827 | |
mbed_official | 573:ad23fe03a082 | 828 | husart->pRxBuffPtr = pRxData; |
mbed_official | 573:ad23fe03a082 | 829 | husart->RxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 830 | husart->pTxBuffPtr = pRxData; |
mbed_official | 573:ad23fe03a082 | 831 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 832 | |
mbed_official | 573:ad23fe03a082 | 833 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 834 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 573:ad23fe03a082 | 835 | |
mbed_official | 573:ad23fe03a082 | 836 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 837 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 573:ad23fe03a082 | 838 | |
mbed_official | 573:ad23fe03a082 | 839 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 840 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 573:ad23fe03a082 | 841 | |
mbed_official | 573:ad23fe03a082 | 842 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 573:ad23fe03a082 | 843 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 573:ad23fe03a082 | 844 | |
mbed_official | 573:ad23fe03a082 | 845 | /* Enable the USART receive DMA channel */ |
mbed_official | 573:ad23fe03a082 | 846 | tmp = (uint32_t*)&pRxData; |
mbed_official | 573:ad23fe03a082 | 847 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 573:ad23fe03a082 | 848 | |
mbed_official | 573:ad23fe03a082 | 849 | /* Enable the USART transmit DMA channel: the transmit stream is used in order |
mbed_official | 573:ad23fe03a082 | 850 | to generate in the non-blocking mode the clock to the slave device, |
mbed_official | 573:ad23fe03a082 | 851 | this mode isn't a simplex receive mode but a full-duplex receive mode */ |
mbed_official | 573:ad23fe03a082 | 852 | tmp = (uint32_t*)&pRxData; |
mbed_official | 573:ad23fe03a082 | 853 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 573:ad23fe03a082 | 854 | |
mbed_official | 573:ad23fe03a082 | 855 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 573:ad23fe03a082 | 856 | in the USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 857 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 573:ad23fe03a082 | 858 | |
mbed_official | 573:ad23fe03a082 | 859 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 573:ad23fe03a082 | 860 | in the USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 861 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 573:ad23fe03a082 | 862 | |
mbed_official | 573:ad23fe03a082 | 863 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 864 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 865 | |
mbed_official | 573:ad23fe03a082 | 866 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 867 | } |
mbed_official | 573:ad23fe03a082 | 868 | else |
mbed_official | 573:ad23fe03a082 | 869 | { |
mbed_official | 573:ad23fe03a082 | 870 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 871 | } |
mbed_official | 573:ad23fe03a082 | 872 | } |
mbed_official | 573:ad23fe03a082 | 873 | |
mbed_official | 573:ad23fe03a082 | 874 | /** |
mbed_official | 573:ad23fe03a082 | 875 | * @brief Full-Duplex Transmit Receive an amount of data in non blocking mode |
mbed_official | 573:ad23fe03a082 | 876 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 877 | * @param pTxData: pointer to TX data buffer |
mbed_official | 573:ad23fe03a082 | 878 | * @param pRxData: pointer to RX data buffer |
mbed_official | 573:ad23fe03a082 | 879 | * @param Size: amount of data to be received/sent |
mbed_official | 573:ad23fe03a082 | 880 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
mbed_official | 573:ad23fe03a082 | 881 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 882 | */ |
mbed_official | 573:ad23fe03a082 | 883 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 573:ad23fe03a082 | 884 | { |
mbed_official | 573:ad23fe03a082 | 885 | uint32_t *tmp; |
mbed_official | 573:ad23fe03a082 | 886 | |
mbed_official | 573:ad23fe03a082 | 887 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 573:ad23fe03a082 | 888 | { |
mbed_official | 573:ad23fe03a082 | 889 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
mbed_official | 573:ad23fe03a082 | 890 | { |
mbed_official | 573:ad23fe03a082 | 891 | return HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 892 | } |
mbed_official | 573:ad23fe03a082 | 893 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 894 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 895 | |
mbed_official | 573:ad23fe03a082 | 896 | husart->pRxBuffPtr = pRxData; |
mbed_official | 573:ad23fe03a082 | 897 | husart->RxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 898 | husart->pTxBuffPtr = pTxData; |
mbed_official | 573:ad23fe03a082 | 899 | husart->TxXferSize = Size; |
mbed_official | 573:ad23fe03a082 | 900 | |
mbed_official | 573:ad23fe03a082 | 901 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 902 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 573:ad23fe03a082 | 903 | |
mbed_official | 573:ad23fe03a082 | 904 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 905 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 573:ad23fe03a082 | 906 | |
mbed_official | 573:ad23fe03a082 | 907 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 908 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 573:ad23fe03a082 | 909 | |
mbed_official | 573:ad23fe03a082 | 910 | /* Set the USART DMA Tx transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 911 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 573:ad23fe03a082 | 912 | |
mbed_official | 573:ad23fe03a082 | 913 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 573:ad23fe03a082 | 914 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 573:ad23fe03a082 | 915 | |
mbed_official | 573:ad23fe03a082 | 916 | /* Set the USART DMA Tx transfer error callback */ |
mbed_official | 573:ad23fe03a082 | 917 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 573:ad23fe03a082 | 918 | |
mbed_official | 573:ad23fe03a082 | 919 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 573:ad23fe03a082 | 920 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 573:ad23fe03a082 | 921 | |
mbed_official | 573:ad23fe03a082 | 922 | /* Enable the USART receive DMA channel */ |
mbed_official | 573:ad23fe03a082 | 923 | tmp = (uint32_t*)&pRxData; |
mbed_official | 573:ad23fe03a082 | 924 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 573:ad23fe03a082 | 925 | |
mbed_official | 573:ad23fe03a082 | 926 | /* Enable the USART transmit DMA channel */ |
mbed_official | 573:ad23fe03a082 | 927 | tmp = (uint32_t*)&pTxData; |
mbed_official | 573:ad23fe03a082 | 928 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 573:ad23fe03a082 | 929 | |
mbed_official | 573:ad23fe03a082 | 930 | /* Clear the TC flag in the SR register by writing 0 to it */ |
mbed_official | 573:ad23fe03a082 | 931 | __HAL_USART_CLEAR_IT(husart, USART_FLAG_TC); |
mbed_official | 573:ad23fe03a082 | 932 | |
mbed_official | 573:ad23fe03a082 | 933 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 573:ad23fe03a082 | 934 | in the USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 935 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 573:ad23fe03a082 | 936 | |
mbed_official | 573:ad23fe03a082 | 937 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 573:ad23fe03a082 | 938 | in the USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 939 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 573:ad23fe03a082 | 940 | |
mbed_official | 573:ad23fe03a082 | 941 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 942 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 943 | |
mbed_official | 573:ad23fe03a082 | 944 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 945 | } |
mbed_official | 573:ad23fe03a082 | 946 | else |
mbed_official | 573:ad23fe03a082 | 947 | { |
mbed_official | 573:ad23fe03a082 | 948 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 949 | } |
mbed_official | 573:ad23fe03a082 | 950 | } |
mbed_official | 573:ad23fe03a082 | 951 | |
mbed_official | 573:ad23fe03a082 | 952 | /** |
mbed_official | 573:ad23fe03a082 | 953 | * @brief Pauses the DMA Transfer. |
mbed_official | 573:ad23fe03a082 | 954 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 955 | * @retval None |
mbed_official | 573:ad23fe03a082 | 956 | */ |
mbed_official | 573:ad23fe03a082 | 957 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 958 | { |
mbed_official | 573:ad23fe03a082 | 959 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 960 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 961 | |
mbed_official | 573:ad23fe03a082 | 962 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 963 | { |
mbed_official | 573:ad23fe03a082 | 964 | /* Disable the USART DMA Tx request */ |
mbed_official | 573:ad23fe03a082 | 965 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 573:ad23fe03a082 | 966 | } |
mbed_official | 573:ad23fe03a082 | 967 | else if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 968 | { |
mbed_official | 573:ad23fe03a082 | 969 | /* Disable the USART DMA Rx request */ |
mbed_official | 573:ad23fe03a082 | 970 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 573:ad23fe03a082 | 971 | } |
mbed_official | 573:ad23fe03a082 | 972 | else if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 573:ad23fe03a082 | 973 | { |
mbed_official | 573:ad23fe03a082 | 974 | /* Disable the USART DMA Tx request */ |
mbed_official | 573:ad23fe03a082 | 975 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 573:ad23fe03a082 | 976 | /* Disable the USART DMA Rx request */ |
mbed_official | 573:ad23fe03a082 | 977 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 573:ad23fe03a082 | 978 | } |
mbed_official | 573:ad23fe03a082 | 979 | |
mbed_official | 573:ad23fe03a082 | 980 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 981 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 982 | |
mbed_official | 573:ad23fe03a082 | 983 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 984 | } |
mbed_official | 573:ad23fe03a082 | 985 | |
mbed_official | 573:ad23fe03a082 | 986 | /** |
mbed_official | 573:ad23fe03a082 | 987 | * @brief Resumes the DMA Transfer. |
mbed_official | 573:ad23fe03a082 | 988 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 989 | * @retval None |
mbed_official | 573:ad23fe03a082 | 990 | */ |
mbed_official | 573:ad23fe03a082 | 991 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 992 | { |
mbed_official | 573:ad23fe03a082 | 993 | /* Process Locked */ |
mbed_official | 573:ad23fe03a082 | 994 | __HAL_LOCK(husart); |
mbed_official | 573:ad23fe03a082 | 995 | |
mbed_official | 573:ad23fe03a082 | 996 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 997 | { |
mbed_official | 573:ad23fe03a082 | 998 | /* Enable the USART DMA Tx request */ |
mbed_official | 573:ad23fe03a082 | 999 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 573:ad23fe03a082 | 1000 | } |
mbed_official | 573:ad23fe03a082 | 1001 | else if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 1002 | { |
mbed_official | 610:813dcc80987e | 1003 | /* Clear the Overrun flag before resuming the Rx transfer*/ |
mbed_official | 610:813dcc80987e | 1004 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_OREF); |
mbed_official | 610:813dcc80987e | 1005 | |
mbed_official | 573:ad23fe03a082 | 1006 | /* Enable the USART DMA Rx request */ |
mbed_official | 573:ad23fe03a082 | 1007 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 573:ad23fe03a082 | 1008 | } |
mbed_official | 573:ad23fe03a082 | 1009 | else if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 573:ad23fe03a082 | 1010 | { |
mbed_official | 610:813dcc80987e | 1011 | /* Clear the Overrun flag before resuming the Rx transfer*/ |
mbed_official | 610:813dcc80987e | 1012 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_OREF); |
mbed_official | 610:813dcc80987e | 1013 | |
mbed_official | 573:ad23fe03a082 | 1014 | /* Enable the USART DMA Rx request before the DMA Tx request */ |
mbed_official | 573:ad23fe03a082 | 1015 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 610:813dcc80987e | 1016 | |
mbed_official | 573:ad23fe03a082 | 1017 | /* Enable the USART DMA Tx request */ |
mbed_official | 573:ad23fe03a082 | 1018 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 573:ad23fe03a082 | 1019 | } |
mbed_official | 573:ad23fe03a082 | 1020 | |
mbed_official | 573:ad23fe03a082 | 1021 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1022 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 1023 | |
mbed_official | 573:ad23fe03a082 | 1024 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1025 | } |
mbed_official | 573:ad23fe03a082 | 1026 | |
mbed_official | 573:ad23fe03a082 | 1027 | /** |
mbed_official | 573:ad23fe03a082 | 1028 | * @brief Stops the DMA Transfer. |
mbed_official | 573:ad23fe03a082 | 1029 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1030 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1031 | */ |
mbed_official | 573:ad23fe03a082 | 1032 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1033 | { |
mbed_official | 610:813dcc80987e | 1034 | /* The Lock is not implemented on this API to allow the user application |
mbed_official | 610:813dcc80987e | 1035 | to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback() / |
mbed_official | 610:813dcc80987e | 1036 | HAL_USART_TxHalfCpltCallback / HAL_USART_RxHalfCpltCallback: |
mbed_official | 610:813dcc80987e | 1037 | indeed, when HAL_DMA_Abort() API is called, the DMA TX/RX Transfer or Half Transfer complete |
mbed_official | 610:813dcc80987e | 1038 | interrupt is generated if the DMA transfer interruption occurs at the middle or at the end of |
mbed_official | 610:813dcc80987e | 1039 | the stream and the corresponding call back is executed. */ |
mbed_official | 573:ad23fe03a082 | 1040 | |
mbed_official | 573:ad23fe03a082 | 1041 | /* Disable the USART Tx/Rx DMA requests */ |
mbed_official | 573:ad23fe03a082 | 1042 | husart->Instance->CR3 &= ~USART_CR3_DMAT; |
mbed_official | 573:ad23fe03a082 | 1043 | husart->Instance->CR3 &= ~USART_CR3_DMAR; |
mbed_official | 573:ad23fe03a082 | 1044 | |
mbed_official | 573:ad23fe03a082 | 1045 | /* Abort the USART DMA tx Stream */ |
mbed_official | 573:ad23fe03a082 | 1046 | if(husart->hdmatx != NULL) |
mbed_official | 573:ad23fe03a082 | 1047 | { |
mbed_official | 573:ad23fe03a082 | 1048 | HAL_DMA_Abort(husart->hdmatx); |
mbed_official | 573:ad23fe03a082 | 1049 | } |
mbed_official | 573:ad23fe03a082 | 1050 | /* Abort the USART DMA rx Stream */ |
mbed_official | 573:ad23fe03a082 | 1051 | if(husart->hdmarx != NULL) |
mbed_official | 573:ad23fe03a082 | 1052 | { |
mbed_official | 573:ad23fe03a082 | 1053 | HAL_DMA_Abort(husart->hdmarx); |
mbed_official | 573:ad23fe03a082 | 1054 | } |
mbed_official | 573:ad23fe03a082 | 1055 | |
mbed_official | 573:ad23fe03a082 | 1056 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1057 | |
mbed_official | 573:ad23fe03a082 | 1058 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1059 | } |
mbed_official | 573:ad23fe03a082 | 1060 | |
mbed_official | 573:ad23fe03a082 | 1061 | /** |
mbed_official | 573:ad23fe03a082 | 1062 | * @brief This function handles USART interrupt request. |
mbed_official | 573:ad23fe03a082 | 1063 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1064 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1065 | */ |
mbed_official | 573:ad23fe03a082 | 1066 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1067 | { |
mbed_official | 573:ad23fe03a082 | 1068 | |
mbed_official | 573:ad23fe03a082 | 1069 | /* USART parity error interrupt occurred ------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1070 | if((__HAL_USART_GET_IT(husart, USART_IT_PE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1071 | { |
mbed_official | 573:ad23fe03a082 | 1072 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_PEF); |
mbed_official | 573:ad23fe03a082 | 1073 | husart->ErrorCode |= HAL_USART_ERROR_PE; |
mbed_official | 573:ad23fe03a082 | 1074 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 573:ad23fe03a082 | 1075 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1076 | } |
mbed_official | 573:ad23fe03a082 | 1077 | |
mbed_official | 573:ad23fe03a082 | 1078 | /* USART frame error interrupt occurred -------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1079 | if((__HAL_USART_GET_IT(husart, USART_IT_FE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1080 | { |
mbed_official | 573:ad23fe03a082 | 1081 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_FEF); |
mbed_official | 573:ad23fe03a082 | 1082 | husart->ErrorCode |= HAL_USART_ERROR_FE; |
mbed_official | 573:ad23fe03a082 | 1083 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 573:ad23fe03a082 | 1084 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1085 | } |
mbed_official | 573:ad23fe03a082 | 1086 | |
mbed_official | 573:ad23fe03a082 | 1087 | /* USART noise error interrupt occurred -------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1088 | if((__HAL_USART_GET_IT(husart, USART_IT_NE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1089 | { |
mbed_official | 573:ad23fe03a082 | 1090 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_NEF); |
mbed_official | 573:ad23fe03a082 | 1091 | husart->ErrorCode |= HAL_USART_ERROR_NE; |
mbed_official | 573:ad23fe03a082 | 1092 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 573:ad23fe03a082 | 1093 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1094 | } |
mbed_official | 573:ad23fe03a082 | 1095 | |
mbed_official | 573:ad23fe03a082 | 1096 | /* USART Over-Run interrupt occurred ----------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1097 | if((__HAL_USART_GET_IT(husart, USART_IT_ORE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1098 | { |
mbed_official | 573:ad23fe03a082 | 1099 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_OREF); |
mbed_official | 573:ad23fe03a082 | 1100 | husart->ErrorCode |= HAL_USART_ERROR_ORE; |
mbed_official | 573:ad23fe03a082 | 1101 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 573:ad23fe03a082 | 1102 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1103 | } |
mbed_official | 573:ad23fe03a082 | 1104 | |
mbed_official | 573:ad23fe03a082 | 1105 | /* Call USART Error Call back function if need be --------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1106 | if(husart->ErrorCode != HAL_USART_ERROR_NONE) |
mbed_official | 573:ad23fe03a082 | 1107 | { |
mbed_official | 573:ad23fe03a082 | 1108 | HAL_USART_ErrorCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1109 | } |
mbed_official | 573:ad23fe03a082 | 1110 | |
mbed_official | 573:ad23fe03a082 | 1111 | /* USART in mode Receiver --------------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1112 | if((__HAL_USART_GET_IT(husart, USART_IT_RXNE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1113 | { |
mbed_official | 573:ad23fe03a082 | 1114 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 1115 | { |
mbed_official | 573:ad23fe03a082 | 1116 | USART_Receive_IT(husart); |
mbed_official | 573:ad23fe03a082 | 1117 | } |
mbed_official | 573:ad23fe03a082 | 1118 | else |
mbed_official | 573:ad23fe03a082 | 1119 | { |
mbed_official | 573:ad23fe03a082 | 1120 | USART_TransmitReceive_IT(husart); |
mbed_official | 573:ad23fe03a082 | 1121 | } |
mbed_official | 573:ad23fe03a082 | 1122 | } |
mbed_official | 573:ad23fe03a082 | 1123 | |
mbed_official | 573:ad23fe03a082 | 1124 | /* USART in mode Transmitter -----------------------------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1125 | if((__HAL_USART_GET_IT(husart, USART_IT_TXE) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1126 | { |
mbed_official | 573:ad23fe03a082 | 1127 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 1128 | { |
mbed_official | 573:ad23fe03a082 | 1129 | USART_Transmit_IT(husart); |
mbed_official | 573:ad23fe03a082 | 1130 | } |
mbed_official | 573:ad23fe03a082 | 1131 | else |
mbed_official | 573:ad23fe03a082 | 1132 | { |
mbed_official | 573:ad23fe03a082 | 1133 | USART_TransmitReceive_IT(husart); |
mbed_official | 573:ad23fe03a082 | 1134 | } |
mbed_official | 573:ad23fe03a082 | 1135 | } |
mbed_official | 573:ad23fe03a082 | 1136 | |
mbed_official | 573:ad23fe03a082 | 1137 | /* USART in mode Transmitter (transmission end) -----------------------------*/ |
mbed_official | 573:ad23fe03a082 | 1138 | if((__HAL_USART_GET_IT(husart, USART_IT_TC) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC) != RESET)) |
mbed_official | 573:ad23fe03a082 | 1139 | { |
mbed_official | 573:ad23fe03a082 | 1140 | USART_EndTransmit_IT(husart); |
mbed_official | 573:ad23fe03a082 | 1141 | } |
mbed_official | 573:ad23fe03a082 | 1142 | |
mbed_official | 573:ad23fe03a082 | 1143 | } |
mbed_official | 573:ad23fe03a082 | 1144 | |
mbed_official | 573:ad23fe03a082 | 1145 | /** |
mbed_official | 573:ad23fe03a082 | 1146 | * @brief Tx Transfer completed callbacks |
mbed_official | 573:ad23fe03a082 | 1147 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1148 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1149 | */ |
mbed_official | 573:ad23fe03a082 | 1150 | __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1151 | { |
mbed_official | 573:ad23fe03a082 | 1152 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 1153 | the HAL_USART_TxCpltCallback can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 1154 | */ |
mbed_official | 573:ad23fe03a082 | 1155 | } |
mbed_official | 573:ad23fe03a082 | 1156 | |
mbed_official | 573:ad23fe03a082 | 1157 | /** |
mbed_official | 573:ad23fe03a082 | 1158 | * @brief Tx Half Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 1159 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1160 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1161 | */ |
mbed_official | 573:ad23fe03a082 | 1162 | __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1163 | { |
mbed_official | 573:ad23fe03a082 | 1164 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 1165 | the HAL_USART_TxHalfCpltCallback can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 1166 | */ |
mbed_official | 573:ad23fe03a082 | 1167 | } |
mbed_official | 573:ad23fe03a082 | 1168 | |
mbed_official | 573:ad23fe03a082 | 1169 | /** |
mbed_official | 573:ad23fe03a082 | 1170 | * @brief Rx Transfer completed callbacks. |
mbed_official | 573:ad23fe03a082 | 1171 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1172 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1173 | */ |
mbed_official | 573:ad23fe03a082 | 1174 | __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1175 | { |
mbed_official | 573:ad23fe03a082 | 1176 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 1177 | the HAL_USART_RxCpltCallback can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 1178 | */ |
mbed_official | 573:ad23fe03a082 | 1179 | } |
mbed_official | 573:ad23fe03a082 | 1180 | |
mbed_official | 573:ad23fe03a082 | 1181 | /** |
mbed_official | 573:ad23fe03a082 | 1182 | * @brief Rx Half Transfer completed callbacks |
mbed_official | 573:ad23fe03a082 | 1183 | * @param husart: usart handle |
mbed_official | 573:ad23fe03a082 | 1184 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1185 | */ |
mbed_official | 573:ad23fe03a082 | 1186 | __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1187 | { |
mbed_official | 573:ad23fe03a082 | 1188 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 1189 | the HAL_USART_RxHalfCpltCallback can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 1190 | */ |
mbed_official | 573:ad23fe03a082 | 1191 | } |
mbed_official | 573:ad23fe03a082 | 1192 | |
mbed_official | 573:ad23fe03a082 | 1193 | /** |
mbed_official | 573:ad23fe03a082 | 1194 | * @brief Tx/Rx Transfers completed callback for the non-blocking process |
mbed_official | 573:ad23fe03a082 | 1195 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1196 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1197 | */ |
mbed_official | 573:ad23fe03a082 | 1198 | __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1199 | { |
mbed_official | 573:ad23fe03a082 | 1200 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 1201 | the HAL_USART_TxRxCpltCallback can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 1202 | */ |
mbed_official | 573:ad23fe03a082 | 1203 | } |
mbed_official | 573:ad23fe03a082 | 1204 | |
mbed_official | 573:ad23fe03a082 | 1205 | /** |
mbed_official | 573:ad23fe03a082 | 1206 | * @brief USART error callbacks |
mbed_official | 573:ad23fe03a082 | 1207 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1208 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1209 | */ |
mbed_official | 573:ad23fe03a082 | 1210 | __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1211 | { |
mbed_official | 573:ad23fe03a082 | 1212 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 573:ad23fe03a082 | 1213 | the HAL_USART_ErrorCallback can be implemented in the user file |
mbed_official | 573:ad23fe03a082 | 1214 | */ |
mbed_official | 573:ad23fe03a082 | 1215 | } |
mbed_official | 573:ad23fe03a082 | 1216 | |
mbed_official | 573:ad23fe03a082 | 1217 | /** |
mbed_official | 573:ad23fe03a082 | 1218 | * @} |
mbed_official | 573:ad23fe03a082 | 1219 | */ |
mbed_official | 573:ad23fe03a082 | 1220 | |
mbed_official | 573:ad23fe03a082 | 1221 | /** @defgroup USART_Exported_Functions_Group3 Peripheral State and Errors functions |
mbed_official | 573:ad23fe03a082 | 1222 | * @brief USART State and Errors functions |
mbed_official | 573:ad23fe03a082 | 1223 | * |
mbed_official | 573:ad23fe03a082 | 1224 | @verbatim |
mbed_official | 573:ad23fe03a082 | 1225 | ============================================================================== |
mbed_official | 573:ad23fe03a082 | 1226 | ##### Peripheral State and Errors functions ##### |
mbed_official | 573:ad23fe03a082 | 1227 | ============================================================================== |
mbed_official | 573:ad23fe03a082 | 1228 | [..] |
mbed_official | 573:ad23fe03a082 | 1229 | This subsection provides a set of functions allowing to return the State of |
mbed_official | 573:ad23fe03a082 | 1230 | USART communication |
mbed_official | 573:ad23fe03a082 | 1231 | process, return Peripheral Errors occurred during communication process |
mbed_official | 573:ad23fe03a082 | 1232 | (+) HAL_USART_GetState() API can be helpful to check in run-time the state |
mbed_official | 573:ad23fe03a082 | 1233 | of the USART peripheral. |
mbed_official | 573:ad23fe03a082 | 1234 | (+) HAL_USART_GetError() check in run-time errors that could be occurred during |
mbed_official | 573:ad23fe03a082 | 1235 | communication. |
mbed_official | 573:ad23fe03a082 | 1236 | @endverbatim |
mbed_official | 573:ad23fe03a082 | 1237 | * @{ |
mbed_official | 573:ad23fe03a082 | 1238 | */ |
mbed_official | 573:ad23fe03a082 | 1239 | |
mbed_official | 573:ad23fe03a082 | 1240 | /** |
mbed_official | 573:ad23fe03a082 | 1241 | * @brief return the USART state |
mbed_official | 573:ad23fe03a082 | 1242 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1243 | * @retval HAL state |
mbed_official | 573:ad23fe03a082 | 1244 | */ |
mbed_official | 573:ad23fe03a082 | 1245 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1246 | { |
mbed_official | 573:ad23fe03a082 | 1247 | return husart->State; |
mbed_official | 573:ad23fe03a082 | 1248 | } |
mbed_official | 573:ad23fe03a082 | 1249 | |
mbed_official | 573:ad23fe03a082 | 1250 | /** |
mbed_official | 573:ad23fe03a082 | 1251 | * @brief Return the USART error code |
mbed_official | 573:ad23fe03a082 | 1252 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1253 | * the configuration information for the specified USART. |
mbed_official | 573:ad23fe03a082 | 1254 | * @retval USART Error Code |
mbed_official | 573:ad23fe03a082 | 1255 | */ |
mbed_official | 573:ad23fe03a082 | 1256 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1257 | { |
mbed_official | 573:ad23fe03a082 | 1258 | return husart->ErrorCode; |
mbed_official | 573:ad23fe03a082 | 1259 | } |
mbed_official | 573:ad23fe03a082 | 1260 | |
mbed_official | 573:ad23fe03a082 | 1261 | /** |
mbed_official | 573:ad23fe03a082 | 1262 | * @} |
mbed_official | 573:ad23fe03a082 | 1263 | */ |
mbed_official | 573:ad23fe03a082 | 1264 | |
mbed_official | 573:ad23fe03a082 | 1265 | |
mbed_official | 573:ad23fe03a082 | 1266 | /** |
mbed_official | 573:ad23fe03a082 | 1267 | * @brief Simplex Send an amount of data in non-blocking mode. |
mbed_official | 573:ad23fe03a082 | 1268 | * @note Function called under interruption only, once |
mbed_official | 573:ad23fe03a082 | 1269 | * interruptions have been enabled by HAL_USART_Transmit_IT(). |
mbed_official | 573:ad23fe03a082 | 1270 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1271 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1272 | * @note The USART errors are not managed to avoid the overrun error. |
mbed_official | 573:ad23fe03a082 | 1273 | */ |
mbed_official | 573:ad23fe03a082 | 1274 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1275 | { |
mbed_official | 573:ad23fe03a082 | 1276 | uint16_t* tmp; |
mbed_official | 573:ad23fe03a082 | 1277 | |
mbed_official | 573:ad23fe03a082 | 1278 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 1279 | { |
mbed_official | 573:ad23fe03a082 | 1280 | |
mbed_official | 573:ad23fe03a082 | 1281 | if(husart->TxXferCount == 0) |
mbed_official | 573:ad23fe03a082 | 1282 | { |
mbed_official | 573:ad23fe03a082 | 1283 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 573:ad23fe03a082 | 1284 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 573:ad23fe03a082 | 1285 | |
mbed_official | 573:ad23fe03a082 | 1286 | /* Enable the USART Transmit Complete Interrupt */ |
mbed_official | 573:ad23fe03a082 | 1287 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
mbed_official | 573:ad23fe03a082 | 1288 | |
mbed_official | 573:ad23fe03a082 | 1289 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1290 | } |
mbed_official | 573:ad23fe03a082 | 1291 | else |
mbed_official | 573:ad23fe03a082 | 1292 | { |
mbed_official | 573:ad23fe03a082 | 1293 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 1294 | { |
mbed_official | 573:ad23fe03a082 | 1295 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 573:ad23fe03a082 | 1296 | husart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 573:ad23fe03a082 | 1297 | husart->pTxBuffPtr += 2; |
mbed_official | 573:ad23fe03a082 | 1298 | } |
mbed_official | 573:ad23fe03a082 | 1299 | else |
mbed_official | 573:ad23fe03a082 | 1300 | { |
mbed_official | 573:ad23fe03a082 | 1301 | husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0xFF); |
mbed_official | 573:ad23fe03a082 | 1302 | } |
mbed_official | 573:ad23fe03a082 | 1303 | |
mbed_official | 573:ad23fe03a082 | 1304 | husart->TxXferCount--; |
mbed_official | 573:ad23fe03a082 | 1305 | |
mbed_official | 573:ad23fe03a082 | 1306 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1307 | } |
mbed_official | 573:ad23fe03a082 | 1308 | } |
mbed_official | 573:ad23fe03a082 | 1309 | else |
mbed_official | 573:ad23fe03a082 | 1310 | { |
mbed_official | 573:ad23fe03a082 | 1311 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1312 | } |
mbed_official | 573:ad23fe03a082 | 1313 | } |
mbed_official | 573:ad23fe03a082 | 1314 | |
mbed_official | 573:ad23fe03a082 | 1315 | /** |
mbed_official | 573:ad23fe03a082 | 1316 | * @brief Wraps up transmission in non-blocking mode. |
mbed_official | 573:ad23fe03a082 | 1317 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 573:ad23fe03a082 | 1318 | * the configuration information for the specified USART module. |
mbed_official | 573:ad23fe03a082 | 1319 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1320 | */ |
mbed_official | 573:ad23fe03a082 | 1321 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1322 | { |
mbed_official | 573:ad23fe03a082 | 1323 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 573:ad23fe03a082 | 1324 | __HAL_USART_DISABLE_IT(husart, USART_IT_TC); |
mbed_official | 573:ad23fe03a082 | 1325 | |
mbed_official | 573:ad23fe03a082 | 1326 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 573:ad23fe03a082 | 1327 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 1328 | |
mbed_official | 573:ad23fe03a082 | 1329 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1330 | |
mbed_official | 573:ad23fe03a082 | 1331 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1332 | |
mbed_official | 573:ad23fe03a082 | 1333 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1334 | } |
mbed_official | 573:ad23fe03a082 | 1335 | |
mbed_official | 573:ad23fe03a082 | 1336 | /** |
mbed_official | 573:ad23fe03a082 | 1337 | * @brief Simplex Receive an amount of data in non-blocking mode. |
mbed_official | 573:ad23fe03a082 | 1338 | * Function called under interruption only, once |
mbed_official | 573:ad23fe03a082 | 1339 | * interruptions have been enabled by HAL_USART_Receive_IT() |
mbed_official | 573:ad23fe03a082 | 1340 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1341 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1342 | */ |
mbed_official | 573:ad23fe03a082 | 1343 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1344 | { |
mbed_official | 573:ad23fe03a082 | 1345 | uint16_t* tmp; |
mbed_official | 573:ad23fe03a082 | 1346 | uint16_t uhMask = husart->Mask; |
mbed_official | 573:ad23fe03a082 | 1347 | |
mbed_official | 573:ad23fe03a082 | 1348 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 1349 | { |
mbed_official | 573:ad23fe03a082 | 1350 | |
mbed_official | 573:ad23fe03a082 | 1351 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 1352 | { |
mbed_official | 573:ad23fe03a082 | 1353 | tmp = (uint16_t*) husart->pRxBuffPtr; |
mbed_official | 573:ad23fe03a082 | 1354 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 573:ad23fe03a082 | 1355 | husart->pRxBuffPtr += 2; |
mbed_official | 573:ad23fe03a082 | 1356 | } |
mbed_official | 573:ad23fe03a082 | 1357 | else |
mbed_official | 573:ad23fe03a082 | 1358 | { |
mbed_official | 573:ad23fe03a082 | 1359 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 573:ad23fe03a082 | 1360 | } |
mbed_official | 573:ad23fe03a082 | 1361 | /* Send dummy byte in order to generate the clock for the Slave to Send the next data */ |
mbed_official | 573:ad23fe03a082 | 1362 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x00FF); |
mbed_official | 573:ad23fe03a082 | 1363 | |
mbed_official | 573:ad23fe03a082 | 1364 | if(--husart->RxXferCount == 0) |
mbed_official | 573:ad23fe03a082 | 1365 | { |
mbed_official | 573:ad23fe03a082 | 1366 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 573:ad23fe03a082 | 1367 | |
mbed_official | 573:ad23fe03a082 | 1368 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 573:ad23fe03a082 | 1369 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 573:ad23fe03a082 | 1370 | |
mbed_official | 573:ad23fe03a082 | 1371 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 573:ad23fe03a082 | 1372 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 1373 | |
mbed_official | 573:ad23fe03a082 | 1374 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1375 | |
mbed_official | 573:ad23fe03a082 | 1376 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1377 | |
mbed_official | 573:ad23fe03a082 | 1378 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1379 | } |
mbed_official | 573:ad23fe03a082 | 1380 | |
mbed_official | 573:ad23fe03a082 | 1381 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1382 | } |
mbed_official | 573:ad23fe03a082 | 1383 | else |
mbed_official | 573:ad23fe03a082 | 1384 | { |
mbed_official | 573:ad23fe03a082 | 1385 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1386 | } |
mbed_official | 573:ad23fe03a082 | 1387 | } |
mbed_official | 573:ad23fe03a082 | 1388 | |
mbed_official | 573:ad23fe03a082 | 1389 | /** |
mbed_official | 573:ad23fe03a082 | 1390 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
mbed_official | 573:ad23fe03a082 | 1391 | * Function called under interruption only, once |
mbed_official | 573:ad23fe03a082 | 1392 | * interruptions have been enabled by HAL_USART_TransmitReceive_IT() |
mbed_official | 573:ad23fe03a082 | 1393 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1394 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1395 | */ |
mbed_official | 573:ad23fe03a082 | 1396 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1397 | { |
mbed_official | 573:ad23fe03a082 | 1398 | uint16_t* tmp; |
mbed_official | 573:ad23fe03a082 | 1399 | uint16_t uhMask = husart->Mask; |
mbed_official | 573:ad23fe03a082 | 1400 | |
mbed_official | 573:ad23fe03a082 | 1401 | if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 573:ad23fe03a082 | 1402 | { |
mbed_official | 573:ad23fe03a082 | 1403 | if(husart->TxXferCount != 0x00) |
mbed_official | 573:ad23fe03a082 | 1404 | { |
mbed_official | 573:ad23fe03a082 | 1405 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) |
mbed_official | 573:ad23fe03a082 | 1406 | { |
mbed_official | 573:ad23fe03a082 | 1407 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 1408 | { |
mbed_official | 573:ad23fe03a082 | 1409 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 573:ad23fe03a082 | 1410 | husart->Instance->TDR = (uint16_t)(*tmp & uhMask); |
mbed_official | 573:ad23fe03a082 | 1411 | husart->pTxBuffPtr += 2; |
mbed_official | 573:ad23fe03a082 | 1412 | } |
mbed_official | 573:ad23fe03a082 | 1413 | else |
mbed_official | 573:ad23fe03a082 | 1414 | { |
mbed_official | 573:ad23fe03a082 | 1415 | husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)uhMask); |
mbed_official | 573:ad23fe03a082 | 1416 | } |
mbed_official | 573:ad23fe03a082 | 1417 | husart->TxXferCount--; |
mbed_official | 573:ad23fe03a082 | 1418 | |
mbed_official | 573:ad23fe03a082 | 1419 | /* Check the latest data transmitted */ |
mbed_official | 573:ad23fe03a082 | 1420 | if(husart->TxXferCount == 0) |
mbed_official | 573:ad23fe03a082 | 1421 | { |
mbed_official | 573:ad23fe03a082 | 1422 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 573:ad23fe03a082 | 1423 | } |
mbed_official | 573:ad23fe03a082 | 1424 | } |
mbed_official | 573:ad23fe03a082 | 1425 | } |
mbed_official | 573:ad23fe03a082 | 1426 | |
mbed_official | 573:ad23fe03a082 | 1427 | if(husart->RxXferCount != 0x00) |
mbed_official | 573:ad23fe03a082 | 1428 | { |
mbed_official | 573:ad23fe03a082 | 1429 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) |
mbed_official | 573:ad23fe03a082 | 1430 | { |
mbed_official | 573:ad23fe03a082 | 1431 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 573:ad23fe03a082 | 1432 | { |
mbed_official | 573:ad23fe03a082 | 1433 | tmp = (uint16_t*) husart->pRxBuffPtr; |
mbed_official | 573:ad23fe03a082 | 1434 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 573:ad23fe03a082 | 1435 | husart->pRxBuffPtr += 2; |
mbed_official | 573:ad23fe03a082 | 1436 | } |
mbed_official | 573:ad23fe03a082 | 1437 | else |
mbed_official | 573:ad23fe03a082 | 1438 | { |
mbed_official | 573:ad23fe03a082 | 1439 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 573:ad23fe03a082 | 1440 | } |
mbed_official | 573:ad23fe03a082 | 1441 | husart->RxXferCount--; |
mbed_official | 573:ad23fe03a082 | 1442 | } |
mbed_official | 573:ad23fe03a082 | 1443 | } |
mbed_official | 573:ad23fe03a082 | 1444 | |
mbed_official | 573:ad23fe03a082 | 1445 | /* Check the latest data received */ |
mbed_official | 573:ad23fe03a082 | 1446 | if(husart->RxXferCount == 0) |
mbed_official | 573:ad23fe03a082 | 1447 | { |
mbed_official | 573:ad23fe03a082 | 1448 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 573:ad23fe03a082 | 1449 | |
mbed_official | 573:ad23fe03a082 | 1450 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 573:ad23fe03a082 | 1451 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 573:ad23fe03a082 | 1452 | |
mbed_official | 573:ad23fe03a082 | 1453 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 573:ad23fe03a082 | 1454 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 1455 | |
mbed_official | 573:ad23fe03a082 | 1456 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1457 | |
mbed_official | 573:ad23fe03a082 | 1458 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1459 | |
mbed_official | 573:ad23fe03a082 | 1460 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1461 | } |
mbed_official | 573:ad23fe03a082 | 1462 | |
mbed_official | 573:ad23fe03a082 | 1463 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1464 | } |
mbed_official | 573:ad23fe03a082 | 1465 | else |
mbed_official | 573:ad23fe03a082 | 1466 | { |
mbed_official | 573:ad23fe03a082 | 1467 | return HAL_BUSY; |
mbed_official | 573:ad23fe03a082 | 1468 | } |
mbed_official | 573:ad23fe03a082 | 1469 | } |
mbed_official | 573:ad23fe03a082 | 1470 | |
mbed_official | 573:ad23fe03a082 | 1471 | /** |
mbed_official | 573:ad23fe03a082 | 1472 | * @brief This function handles USART Communication Timeout. |
mbed_official | 573:ad23fe03a082 | 1473 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1474 | * @param Flag: specifies the USART flag to check. |
mbed_official | 573:ad23fe03a082 | 1475 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 573:ad23fe03a082 | 1476 | * @param Timeout: Timeout duration |
mbed_official | 573:ad23fe03a082 | 1477 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1478 | */ |
mbed_official | 573:ad23fe03a082 | 1479 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 573:ad23fe03a082 | 1480 | { |
mbed_official | 573:ad23fe03a082 | 1481 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 573:ad23fe03a082 | 1482 | |
mbed_official | 573:ad23fe03a082 | 1483 | /* Wait until flag is set */ |
mbed_official | 573:ad23fe03a082 | 1484 | if(Status == RESET) |
mbed_official | 573:ad23fe03a082 | 1485 | { |
mbed_official | 573:ad23fe03a082 | 1486 | while(__HAL_USART_GET_FLAG(husart, Flag) == RESET) |
mbed_official | 573:ad23fe03a082 | 1487 | { |
mbed_official | 573:ad23fe03a082 | 1488 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 1489 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 1490 | { |
mbed_official | 573:ad23fe03a082 | 1491 | if((Timeout == 0)||((HAL_GetTick()-tickstart) >= Timeout)) |
mbed_official | 573:ad23fe03a082 | 1492 | { |
mbed_official | 573:ad23fe03a082 | 1493 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 573:ad23fe03a082 | 1494 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 573:ad23fe03a082 | 1495 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 573:ad23fe03a082 | 1496 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 573:ad23fe03a082 | 1497 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 1498 | |
mbed_official | 573:ad23fe03a082 | 1499 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1500 | |
mbed_official | 573:ad23fe03a082 | 1501 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1502 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 1503 | |
mbed_official | 573:ad23fe03a082 | 1504 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1505 | } |
mbed_official | 573:ad23fe03a082 | 1506 | } |
mbed_official | 573:ad23fe03a082 | 1507 | } |
mbed_official | 573:ad23fe03a082 | 1508 | } |
mbed_official | 573:ad23fe03a082 | 1509 | else |
mbed_official | 573:ad23fe03a082 | 1510 | { |
mbed_official | 573:ad23fe03a082 | 1511 | while(__HAL_USART_GET_FLAG(husart, Flag) != RESET) |
mbed_official | 573:ad23fe03a082 | 1512 | { |
mbed_official | 573:ad23fe03a082 | 1513 | /* Check for the Timeout */ |
mbed_official | 573:ad23fe03a082 | 1514 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 573:ad23fe03a082 | 1515 | { |
mbed_official | 573:ad23fe03a082 | 1516 | if((Timeout == 0)||((HAL_GetTick()-tickstart) >= Timeout)) |
mbed_official | 573:ad23fe03a082 | 1517 | { |
mbed_official | 573:ad23fe03a082 | 1518 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 573:ad23fe03a082 | 1519 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 573:ad23fe03a082 | 1520 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 573:ad23fe03a082 | 1521 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 573:ad23fe03a082 | 1522 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 573:ad23fe03a082 | 1523 | |
mbed_official | 573:ad23fe03a082 | 1524 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1525 | |
mbed_official | 573:ad23fe03a082 | 1526 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1527 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 1528 | |
mbed_official | 573:ad23fe03a082 | 1529 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1530 | } |
mbed_official | 573:ad23fe03a082 | 1531 | } |
mbed_official | 573:ad23fe03a082 | 1532 | } |
mbed_official | 573:ad23fe03a082 | 1533 | } |
mbed_official | 573:ad23fe03a082 | 1534 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1535 | } |
mbed_official | 573:ad23fe03a082 | 1536 | |
mbed_official | 573:ad23fe03a082 | 1537 | |
mbed_official | 573:ad23fe03a082 | 1538 | /** |
mbed_official | 573:ad23fe03a082 | 1539 | * @brief DMA USART transmit process complete callback |
mbed_official | 573:ad23fe03a082 | 1540 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 1541 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1542 | */ |
mbed_official | 573:ad23fe03a082 | 1543 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 1544 | { |
mbed_official | 573:ad23fe03a082 | 1545 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 1546 | |
mbed_official | 573:ad23fe03a082 | 1547 | /* DMA Normal mode */ |
mbed_official | 573:ad23fe03a082 | 1548 | if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0) |
mbed_official | 573:ad23fe03a082 | 1549 | { |
mbed_official | 573:ad23fe03a082 | 1550 | husart->TxXferCount = 0; |
mbed_official | 573:ad23fe03a082 | 1551 | |
mbed_official | 573:ad23fe03a082 | 1552 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 1553 | { |
mbed_official | 573:ad23fe03a082 | 1554 | /* Disable the DMA transfer for transmit request by resetting the DMAT bit |
mbed_official | 573:ad23fe03a082 | 1555 | in the USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 1556 | husart->Instance->CR3 &= ~(USART_CR3_DMAT); |
mbed_official | 573:ad23fe03a082 | 1557 | |
mbed_official | 573:ad23fe03a082 | 1558 | /* Enable the USART Transmit Complete Interrupt */ |
mbed_official | 573:ad23fe03a082 | 1559 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
mbed_official | 573:ad23fe03a082 | 1560 | } |
mbed_official | 573:ad23fe03a082 | 1561 | } |
mbed_official | 573:ad23fe03a082 | 1562 | /* DMA Circular mode */ |
mbed_official | 573:ad23fe03a082 | 1563 | else |
mbed_official | 573:ad23fe03a082 | 1564 | { |
mbed_official | 573:ad23fe03a082 | 1565 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 573:ad23fe03a082 | 1566 | { |
mbed_official | 573:ad23fe03a082 | 1567 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1568 | } |
mbed_official | 573:ad23fe03a082 | 1569 | } |
mbed_official | 573:ad23fe03a082 | 1570 | } |
mbed_official | 573:ad23fe03a082 | 1571 | |
mbed_official | 573:ad23fe03a082 | 1572 | |
mbed_official | 573:ad23fe03a082 | 1573 | /** |
mbed_official | 573:ad23fe03a082 | 1574 | * @brief DMA USART transmit process half complete callback |
mbed_official | 573:ad23fe03a082 | 1575 | * @param hdma : DMA handle |
mbed_official | 573:ad23fe03a082 | 1576 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1577 | */ |
mbed_official | 573:ad23fe03a082 | 1578 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 1579 | { |
mbed_official | 573:ad23fe03a082 | 1580 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 1581 | |
mbed_official | 573:ad23fe03a082 | 1582 | HAL_USART_TxHalfCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1583 | } |
mbed_official | 573:ad23fe03a082 | 1584 | |
mbed_official | 573:ad23fe03a082 | 1585 | /** |
mbed_official | 573:ad23fe03a082 | 1586 | * @brief DMA USART receive process complete callback |
mbed_official | 573:ad23fe03a082 | 1587 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 1588 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1589 | */ |
mbed_official | 573:ad23fe03a082 | 1590 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 1591 | { |
mbed_official | 573:ad23fe03a082 | 1592 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 1593 | |
mbed_official | 573:ad23fe03a082 | 1594 | /* DMA Normal mode */ |
mbed_official | 573:ad23fe03a082 | 1595 | if((hdma->Instance->CR & DMA_SxCR_CIRC) == 0) |
mbed_official | 573:ad23fe03a082 | 1596 | { |
mbed_official | 573:ad23fe03a082 | 1597 | husart->RxXferCount = 0; |
mbed_official | 573:ad23fe03a082 | 1598 | |
mbed_official | 573:ad23fe03a082 | 1599 | /* Disable the DMA RX transfer for the receiver request by resetting the DMAR bit |
mbed_official | 573:ad23fe03a082 | 1600 | in USART CR3 register */ |
mbed_official | 573:ad23fe03a082 | 1601 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR); |
mbed_official | 573:ad23fe03a082 | 1602 | /* similarly, disable the DMA TX transfer that was started to provide the |
mbed_official | 573:ad23fe03a082 | 1603 | clock to the slave device */ |
mbed_official | 573:ad23fe03a082 | 1604 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT); |
mbed_official | 573:ad23fe03a082 | 1605 | |
mbed_official | 573:ad23fe03a082 | 1606 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 1607 | { |
mbed_official | 573:ad23fe03a082 | 1608 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1609 | } |
mbed_official | 573:ad23fe03a082 | 1610 | /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ |
mbed_official | 573:ad23fe03a082 | 1611 | else |
mbed_official | 573:ad23fe03a082 | 1612 | { |
mbed_official | 573:ad23fe03a082 | 1613 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1614 | } |
mbed_official | 573:ad23fe03a082 | 1615 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1616 | } |
mbed_official | 573:ad23fe03a082 | 1617 | /* DMA circular mode */ |
mbed_official | 573:ad23fe03a082 | 1618 | else |
mbed_official | 573:ad23fe03a082 | 1619 | { |
mbed_official | 573:ad23fe03a082 | 1620 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 573:ad23fe03a082 | 1621 | { |
mbed_official | 573:ad23fe03a082 | 1622 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1623 | } |
mbed_official | 573:ad23fe03a082 | 1624 | /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ |
mbed_official | 573:ad23fe03a082 | 1625 | else |
mbed_official | 573:ad23fe03a082 | 1626 | { |
mbed_official | 573:ad23fe03a082 | 1627 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1628 | } |
mbed_official | 573:ad23fe03a082 | 1629 | } |
mbed_official | 573:ad23fe03a082 | 1630 | } |
mbed_official | 573:ad23fe03a082 | 1631 | |
mbed_official | 573:ad23fe03a082 | 1632 | /** |
mbed_official | 573:ad23fe03a082 | 1633 | * @brief DMA USART receive process half complete callback |
mbed_official | 573:ad23fe03a082 | 1634 | * @param hdma : DMA handle |
mbed_official | 573:ad23fe03a082 | 1635 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1636 | */ |
mbed_official | 573:ad23fe03a082 | 1637 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 1638 | { |
mbed_official | 573:ad23fe03a082 | 1639 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 1640 | |
mbed_official | 573:ad23fe03a082 | 1641 | HAL_USART_RxHalfCpltCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1642 | } |
mbed_official | 573:ad23fe03a082 | 1643 | |
mbed_official | 573:ad23fe03a082 | 1644 | /** |
mbed_official | 573:ad23fe03a082 | 1645 | * @brief DMA USART communication error callback |
mbed_official | 573:ad23fe03a082 | 1646 | * @param hdma: DMA handle |
mbed_official | 573:ad23fe03a082 | 1647 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1648 | */ |
mbed_official | 573:ad23fe03a082 | 1649 | static void USART_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 573:ad23fe03a082 | 1650 | { |
mbed_official | 573:ad23fe03a082 | 1651 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 573:ad23fe03a082 | 1652 | |
mbed_official | 573:ad23fe03a082 | 1653 | husart->RxXferCount = 0; |
mbed_official | 573:ad23fe03a082 | 1654 | husart->TxXferCount = 0; |
mbed_official | 573:ad23fe03a082 | 1655 | husart->ErrorCode |= HAL_USART_ERROR_DMA; |
mbed_official | 573:ad23fe03a082 | 1656 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1657 | |
mbed_official | 573:ad23fe03a082 | 1658 | HAL_USART_ErrorCallback(husart); |
mbed_official | 573:ad23fe03a082 | 1659 | } |
mbed_official | 573:ad23fe03a082 | 1660 | |
mbed_official | 573:ad23fe03a082 | 1661 | /** |
mbed_official | 573:ad23fe03a082 | 1662 | * @brief Configure the USART peripheral |
mbed_official | 573:ad23fe03a082 | 1663 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1664 | * @retval None |
mbed_official | 573:ad23fe03a082 | 1665 | */ |
mbed_official | 573:ad23fe03a082 | 1666 | static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1667 | { |
mbed_official | 573:ad23fe03a082 | 1668 | uint32_t tmpreg = 0x0; |
mbed_official | 573:ad23fe03a082 | 1669 | USART_ClockSourceTypeDef clocksource = USART_CLOCKSOURCE_UNDEFINED; |
mbed_official | 573:ad23fe03a082 | 1670 | HAL_StatusTypeDef ret = HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1671 | uint16_t brrtemp = 0x0000; |
mbed_official | 573:ad23fe03a082 | 1672 | uint16_t usartdiv = 0x0000; |
mbed_official | 573:ad23fe03a082 | 1673 | |
mbed_official | 573:ad23fe03a082 | 1674 | /* Check the parameters */ |
mbed_official | 573:ad23fe03a082 | 1675 | assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); |
mbed_official | 573:ad23fe03a082 | 1676 | assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); |
mbed_official | 573:ad23fe03a082 | 1677 | assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); |
mbed_official | 573:ad23fe03a082 | 1678 | assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); |
mbed_official | 573:ad23fe03a082 | 1679 | assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); |
mbed_official | 573:ad23fe03a082 | 1680 | assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); |
mbed_official | 573:ad23fe03a082 | 1681 | assert_param(IS_USART_PARITY(husart->Init.Parity)); |
mbed_official | 573:ad23fe03a082 | 1682 | assert_param(IS_USART_MODE(husart->Init.Mode)); |
mbed_official | 573:ad23fe03a082 | 1683 | assert_param(IS_USART_OVERSAMPLING(husart->Init.OverSampling)); |
mbed_official | 573:ad23fe03a082 | 1684 | |
mbed_official | 573:ad23fe03a082 | 1685 | |
mbed_official | 573:ad23fe03a082 | 1686 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
mbed_official | 573:ad23fe03a082 | 1687 | /* Clear M, PCE, PS, TE and RE bits and configure |
mbed_official | 573:ad23fe03a082 | 1688 | * the USART Word Length, Parity, Mode and OverSampling: |
mbed_official | 573:ad23fe03a082 | 1689 | * set the M bits according to husart->Init.WordLength value |
mbed_official | 573:ad23fe03a082 | 1690 | * set PCE and PS bits according to husart->Init.Parity value |
mbed_official | 573:ad23fe03a082 | 1691 | * set TE and RE bits according to husart->Init.Mode value |
mbed_official | 573:ad23fe03a082 | 1692 | * force OVER8 to 1 to allow to reach the maximum speed (Fclock/8) */ |
mbed_official | 573:ad23fe03a082 | 1693 | tmpreg = (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode | USART_CR1_OVER8; |
mbed_official | 573:ad23fe03a082 | 1694 | MODIFY_REG(husart->Instance->CR1, USART_CR1_FIELDS, tmpreg); |
mbed_official | 573:ad23fe03a082 | 1695 | |
mbed_official | 573:ad23fe03a082 | 1696 | /*---------------------------- USART CR2 Configuration ---------------------*/ |
mbed_official | 573:ad23fe03a082 | 1697 | /* Clear and configure the USART Clock, CPOL, CPHA, LBCL and STOP bits: |
mbed_official | 573:ad23fe03a082 | 1698 | * set CPOL bit according to husart->Init.CLKPolarity value |
mbed_official | 573:ad23fe03a082 | 1699 | * set CPHA bit according to husart->Init.CLKPhase value |
mbed_official | 573:ad23fe03a082 | 1700 | * set LBCL bit according to husart->Init.CLKLastBit value |
mbed_official | 573:ad23fe03a082 | 1701 | * set STOP[13:12] bits according to husart->Init.StopBits value */ |
mbed_official | 573:ad23fe03a082 | 1702 | tmpreg = (uint32_t)(USART_CLOCK_ENABLE); |
mbed_official | 573:ad23fe03a082 | 1703 | tmpreg |= ((uint32_t)husart->Init.CLKPolarity | (uint32_t)husart->Init.CLKPhase); |
mbed_official | 573:ad23fe03a082 | 1704 | tmpreg |= ((uint32_t)husart->Init.CLKLastBit | (uint32_t)husart->Init.StopBits); |
mbed_official | 573:ad23fe03a082 | 1705 | MODIFY_REG(husart->Instance->CR2, USART_CR2_FIELDS, tmpreg); |
mbed_official | 573:ad23fe03a082 | 1706 | |
mbed_official | 573:ad23fe03a082 | 1707 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
mbed_official | 573:ad23fe03a082 | 1708 | /* no CR3 register configuration */ |
mbed_official | 573:ad23fe03a082 | 1709 | |
mbed_official | 573:ad23fe03a082 | 1710 | /*-------------------------- USART BRR Configuration -----------------------*/ |
mbed_official | 573:ad23fe03a082 | 1711 | /* BRR is filled-up according to OVER8 bit setting which is forced to 1 */ |
mbed_official | 573:ad23fe03a082 | 1712 | USART_GETCLOCKSOURCE(husart, clocksource); |
mbed_official | 573:ad23fe03a082 | 1713 | switch (clocksource) |
mbed_official | 573:ad23fe03a082 | 1714 | { |
mbed_official | 573:ad23fe03a082 | 1715 | case USART_CLOCKSOURCE_PCLK1: |
mbed_official | 573:ad23fe03a082 | 1716 | usartdiv = (uint16_t)((2*HAL_RCC_GetPCLK1Freq()) / husart->Init.BaudRate); |
mbed_official | 573:ad23fe03a082 | 1717 | break; |
mbed_official | 573:ad23fe03a082 | 1718 | case USART_CLOCKSOURCE_PCLK2: |
mbed_official | 573:ad23fe03a082 | 1719 | usartdiv = (uint16_t)((2*HAL_RCC_GetPCLK2Freq()) / husart->Init.BaudRate); |
mbed_official | 573:ad23fe03a082 | 1720 | break; |
mbed_official | 573:ad23fe03a082 | 1721 | case USART_CLOCKSOURCE_HSI: |
mbed_official | 573:ad23fe03a082 | 1722 | usartdiv = (uint16_t)((2*HSI_VALUE) / husart->Init.BaudRate); |
mbed_official | 573:ad23fe03a082 | 1723 | break; |
mbed_official | 573:ad23fe03a082 | 1724 | case USART_CLOCKSOURCE_SYSCLK: |
mbed_official | 573:ad23fe03a082 | 1725 | usartdiv = (uint16_t)((2*HAL_RCC_GetSysClockFreq()) / husart->Init.BaudRate); |
mbed_official | 573:ad23fe03a082 | 1726 | break; |
mbed_official | 573:ad23fe03a082 | 1727 | case USART_CLOCKSOURCE_LSE: |
mbed_official | 573:ad23fe03a082 | 1728 | usartdiv = (uint16_t)((2*LSE_VALUE) / husart->Init.BaudRate); |
mbed_official | 573:ad23fe03a082 | 1729 | break; |
mbed_official | 573:ad23fe03a082 | 1730 | case USART_CLOCKSOURCE_UNDEFINED: |
mbed_official | 573:ad23fe03a082 | 1731 | default: |
mbed_official | 573:ad23fe03a082 | 1732 | ret = HAL_ERROR; |
mbed_official | 573:ad23fe03a082 | 1733 | break; |
mbed_official | 573:ad23fe03a082 | 1734 | } |
mbed_official | 573:ad23fe03a082 | 1735 | |
mbed_official | 573:ad23fe03a082 | 1736 | brrtemp = usartdiv & 0xFFF0; |
mbed_official | 573:ad23fe03a082 | 1737 | brrtemp |= (uint16_t)((usartdiv & (uint16_t)0x000F) >> 1U); |
mbed_official | 573:ad23fe03a082 | 1738 | husart->Instance->BRR = brrtemp; |
mbed_official | 573:ad23fe03a082 | 1739 | |
mbed_official | 573:ad23fe03a082 | 1740 | return ret; |
mbed_official | 573:ad23fe03a082 | 1741 | } |
mbed_official | 573:ad23fe03a082 | 1742 | |
mbed_official | 573:ad23fe03a082 | 1743 | /** |
mbed_official | 573:ad23fe03a082 | 1744 | * @brief Check the USART Idle State |
mbed_official | 573:ad23fe03a082 | 1745 | * @param husart: USART handle |
mbed_official | 573:ad23fe03a082 | 1746 | * @retval HAL status |
mbed_official | 573:ad23fe03a082 | 1747 | */ |
mbed_official | 573:ad23fe03a082 | 1748 | static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart) |
mbed_official | 573:ad23fe03a082 | 1749 | { |
mbed_official | 573:ad23fe03a082 | 1750 | /* Initialize the USART ErrorCode */ |
mbed_official | 573:ad23fe03a082 | 1751 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 573:ad23fe03a082 | 1752 | |
mbed_official | 573:ad23fe03a082 | 1753 | /* Check if the Transmitter is enabled */ |
mbed_official | 573:ad23fe03a082 | 1754 | if((husart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) |
mbed_official | 573:ad23fe03a082 | 1755 | { |
mbed_official | 573:ad23fe03a082 | 1756 | /* Wait until TEACK flag is set */ |
mbed_official | 573:ad23fe03a082 | 1757 | if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_TEACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1758 | { |
mbed_official | 573:ad23fe03a082 | 1759 | husart->State= HAL_USART_STATE_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1760 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1761 | } |
mbed_official | 573:ad23fe03a082 | 1762 | } |
mbed_official | 573:ad23fe03a082 | 1763 | /* Check if the Receiver is enabled */ |
mbed_official | 573:ad23fe03a082 | 1764 | if((husart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) |
mbed_official | 573:ad23fe03a082 | 1765 | { |
mbed_official | 573:ad23fe03a082 | 1766 | /* Wait until REACK flag is set */ |
mbed_official | 573:ad23fe03a082 | 1767 | if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_REACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) |
mbed_official | 573:ad23fe03a082 | 1768 | { |
mbed_official | 573:ad23fe03a082 | 1769 | husart->State= HAL_USART_STATE_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1770 | return HAL_TIMEOUT; |
mbed_official | 573:ad23fe03a082 | 1771 | } |
mbed_official | 573:ad23fe03a082 | 1772 | } |
mbed_official | 573:ad23fe03a082 | 1773 | |
mbed_official | 573:ad23fe03a082 | 1774 | /* Initialize the USART state*/ |
mbed_official | 573:ad23fe03a082 | 1775 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 573:ad23fe03a082 | 1776 | |
mbed_official | 573:ad23fe03a082 | 1777 | /* Process Unlocked */ |
mbed_official | 573:ad23fe03a082 | 1778 | __HAL_UNLOCK(husart); |
mbed_official | 573:ad23fe03a082 | 1779 | |
mbed_official | 573:ad23fe03a082 | 1780 | return HAL_OK; |
mbed_official | 573:ad23fe03a082 | 1781 | } |
mbed_official | 573:ad23fe03a082 | 1782 | |
mbed_official | 573:ad23fe03a082 | 1783 | /** |
mbed_official | 573:ad23fe03a082 | 1784 | * @} |
mbed_official | 573:ad23fe03a082 | 1785 | */ |
mbed_official | 573:ad23fe03a082 | 1786 | |
mbed_official | 573:ad23fe03a082 | 1787 | #endif /* HAL_USART_MODULE_ENABLED */ |
mbed_official | 573:ad23fe03a082 | 1788 | /** |
mbed_official | 573:ad23fe03a082 | 1789 | * @} |
mbed_official | 573:ad23fe03a082 | 1790 | */ |
mbed_official | 573:ad23fe03a082 | 1791 | |
mbed_official | 573:ad23fe03a082 | 1792 | /** |
mbed_official | 573:ad23fe03a082 | 1793 | * @} |
mbed_official | 573:ad23fe03a082 | 1794 | */ |
mbed_official | 573:ad23fe03a082 | 1795 | |
mbed_official | 573:ad23fe03a082 | 1796 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |