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targets/cmsis/TARGET_STM/TARGET_STM32L4/stm32l4xx_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 | 610:813dcc80987e | 1 | /** |
mbed_official | 610:813dcc80987e | 2 | ****************************************************************************** |
mbed_official | 610:813dcc80987e | 3 | * @file stm32l4xx_hal_usart.c |
mbed_official | 610:813dcc80987e | 4 | * @author MCD Application Team |
mbed_official | 610:813dcc80987e | 5 | * @version V1.0.0 |
mbed_official | 610:813dcc80987e | 6 | * @date 26-June-2015 |
mbed_official | 610:813dcc80987e | 7 | * @brief USART HAL module driver. |
mbed_official | 610:813dcc80987e | 8 | * This file provides firmware functions to manage the following |
mbed_official | 610:813dcc80987e | 9 | * functionalities of the Universal Synchronous/Asynchronous Receiver Transmitter |
mbed_official | 610:813dcc80987e | 10 | * Peripheral (USART). |
mbed_official | 610:813dcc80987e | 11 | * + Initialization and de-initialization functions |
mbed_official | 610:813dcc80987e | 12 | * + IO operation functions |
mbed_official | 610:813dcc80987e | 13 | * + Peripheral Control functions |
mbed_official | 610:813dcc80987e | 14 | * + Peripheral State and Error functions |
mbed_official | 610:813dcc80987e | 15 | * |
mbed_official | 610:813dcc80987e | 16 | @verbatim |
mbed_official | 610:813dcc80987e | 17 | =============================================================================== |
mbed_official | 610:813dcc80987e | 18 | ##### How to use this driver ##### |
mbed_official | 610:813dcc80987e | 19 | =============================================================================== |
mbed_official | 610:813dcc80987e | 20 | [..] |
mbed_official | 610:813dcc80987e | 21 | The USART HAL driver can be used as follows: |
mbed_official | 610:813dcc80987e | 22 | |
mbed_official | 610:813dcc80987e | 23 | (#) Declare a USART_HandleTypeDef handle structure (eg. USART_HandleTypeDef husart). |
mbed_official | 610:813dcc80987e | 24 | (#) Initialize the USART low level resources by implementing the HAL_USART_MspInit() API: |
mbed_official | 610:813dcc80987e | 25 | (++) Enable the USARTx interface clock. |
mbed_official | 610:813dcc80987e | 26 | (++) USART pins configuration: |
mbed_official | 610:813dcc80987e | 27 | (+++) Enable the clock for the USART GPIOs. |
mbed_official | 610:813dcc80987e | 28 | (+++) Configure these USART pins as alternate function pull-up. |
mbed_official | 610:813dcc80987e | 29 | (++) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), |
mbed_official | 610:813dcc80987e | 30 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
mbed_official | 610:813dcc80987e | 31 | (+++) Configure the USARTx interrupt priority. |
mbed_official | 610:813dcc80987e | 32 | (+++) Enable the NVIC USART IRQ handle. |
mbed_official | 610:813dcc80987e | 33 | (++) USART interrupts handling: |
mbed_official | 610:813dcc80987e | 34 | -@@- The specific USART interrupts (Transmission complete interrupt, |
mbed_official | 610:813dcc80987e | 35 | RXNE interrupt and Error Interrupts) will be managed using the macros |
mbed_official | 610:813dcc80987e | 36 | __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. |
mbed_official | 610:813dcc80987e | 37 | (++) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() |
mbed_official | 610:813dcc80987e | 38 | HAL_USART_Receive_DMA() and HAL_USART_TransmitReceive_DMA() APIs): |
mbed_official | 610:813dcc80987e | 39 | (+++) Declare a DMA handle structure for the Tx/Rx channel. |
mbed_official | 610:813dcc80987e | 40 | (+++) Enable the DMAx interface clock. |
mbed_official | 610:813dcc80987e | 41 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
mbed_official | 610:813dcc80987e | 42 | (+++) Configure the DMA Tx/Rx channel. |
mbed_official | 610:813dcc80987e | 43 | (+++) Associate the initialized DMA handle to the USART DMA Tx/Rx handle. |
mbed_official | 610:813dcc80987e | 44 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. |
mbed_official | 610:813dcc80987e | 45 | |
mbed_official | 610:813dcc80987e | 46 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
mbed_official | 610:813dcc80987e | 47 | flow control and Mode (Receiver/Transmitter) in the husart handle Init structure. |
mbed_official | 610:813dcc80987e | 48 | |
mbed_official | 610:813dcc80987e | 49 | (#) Initialize the USART registers by calling the HAL_USART_Init() API: |
mbed_official | 610:813dcc80987e | 50 | (++) This API configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
mbed_official | 610:813dcc80987e | 51 | by calling the customized HAL_USART_MspInit(&husart) API. |
mbed_official | 610:813dcc80987e | 52 | |
mbed_official | 610:813dcc80987e | 53 | [..] |
mbed_official | 610:813dcc80987e | 54 | (@) To configure and enable/disable the USART to wake up the MCU from stop mode, resort to UART API's |
mbed_official | 610:813dcc80987e | 55 | HAL_UARTEx_StopModeWakeUpSourceConfig(), HAL_UARTEx_EnableStopMode() and |
mbed_official | 610:813dcc80987e | 56 | HAL_UARTEx_DisableStopMode() in casting the USART handle to UART type UART_HandleTypeDef. |
mbed_official | 610:813dcc80987e | 57 | |
mbed_official | 610:813dcc80987e | 58 | @endverbatim |
mbed_official | 610:813dcc80987e | 59 | ****************************************************************************** |
mbed_official | 610:813dcc80987e | 60 | * @attention |
mbed_official | 610:813dcc80987e | 61 | * |
mbed_official | 610:813dcc80987e | 62 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 610:813dcc80987e | 63 | * |
mbed_official | 610:813dcc80987e | 64 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 610:813dcc80987e | 65 | * are permitted provided that the following conditions are met: |
mbed_official | 610:813dcc80987e | 66 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 610:813dcc80987e | 67 | * this list of conditions and the following disclaimer. |
mbed_official | 610:813dcc80987e | 68 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 610:813dcc80987e | 69 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 610:813dcc80987e | 70 | * and/or other materials provided with the distribution. |
mbed_official | 610:813dcc80987e | 71 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 610:813dcc80987e | 72 | * may be used to endorse or promote products derived from this software |
mbed_official | 610:813dcc80987e | 73 | * without specific prior written permission. |
mbed_official | 610:813dcc80987e | 74 | * |
mbed_official | 610:813dcc80987e | 75 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 610:813dcc80987e | 76 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 610:813dcc80987e | 77 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 610:813dcc80987e | 78 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 610:813dcc80987e | 79 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 610:813dcc80987e | 80 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 610:813dcc80987e | 81 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 610:813dcc80987e | 82 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 610:813dcc80987e | 83 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 610:813dcc80987e | 84 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 610:813dcc80987e | 85 | * |
mbed_official | 610:813dcc80987e | 86 | ****************************************************************************** |
mbed_official | 610:813dcc80987e | 87 | */ |
mbed_official | 610:813dcc80987e | 88 | |
mbed_official | 610:813dcc80987e | 89 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 90 | #include "stm32l4xx_hal.h" |
mbed_official | 610:813dcc80987e | 91 | |
mbed_official | 610:813dcc80987e | 92 | /** @addtogroup STM32L4xx_HAL_Driver |
mbed_official | 610:813dcc80987e | 93 | * @{ |
mbed_official | 610:813dcc80987e | 94 | */ |
mbed_official | 610:813dcc80987e | 95 | |
mbed_official | 610:813dcc80987e | 96 | /** @defgroup USART USART |
mbed_official | 610:813dcc80987e | 97 | * @brief HAL USART Synchronous module driver |
mbed_official | 610:813dcc80987e | 98 | * @{ |
mbed_official | 610:813dcc80987e | 99 | */ |
mbed_official | 610:813dcc80987e | 100 | |
mbed_official | 610:813dcc80987e | 101 | #ifdef HAL_USART_MODULE_ENABLED |
mbed_official | 610:813dcc80987e | 102 | |
mbed_official | 610:813dcc80987e | 103 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 104 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 105 | /** @defgroup USART_Private_Constants USART Private Constants |
mbed_official | 610:813dcc80987e | 106 | * @{ |
mbed_official | 610:813dcc80987e | 107 | */ |
mbed_official | 610:813dcc80987e | 108 | #define USART_DUMMY_DATA ((uint16_t) 0xFFFF) /*!< USART transmitted dummy data */ |
mbed_official | 610:813dcc80987e | 109 | #define USART_TEACK_REACK_TIMEOUT ((uint32_t) 1000) /*!< USART TX or RX enable acknowledge time-out value */ |
mbed_official | 610:813dcc80987e | 110 | #define USART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ |
mbed_official | 610:813dcc80987e | 111 | USART_CR1_TE | USART_CR1_RE | USART_CR1_OVER8)) /*!< USART CR1 fields of parameters set by USART_SetConfig API */ |
mbed_official | 610:813dcc80987e | 112 | #define USART_CR2_FIELDS ((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | \ |
mbed_official | 610:813dcc80987e | 113 | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP)) /*!< USART CR2 fields of parameters set by USART_SetConfig API */ |
mbed_official | 610:813dcc80987e | 114 | /** |
mbed_official | 610:813dcc80987e | 115 | * @} |
mbed_official | 610:813dcc80987e | 116 | */ |
mbed_official | 610:813dcc80987e | 117 | |
mbed_official | 610:813dcc80987e | 118 | /* Private macros ------------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 119 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 120 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 121 | /** @addtogroup USART_Private_Functions |
mbed_official | 610:813dcc80987e | 122 | * @{ |
mbed_official | 610:813dcc80987e | 123 | */ |
mbed_official | 610:813dcc80987e | 124 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 610:813dcc80987e | 125 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 610:813dcc80987e | 126 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 610:813dcc80987e | 127 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 610:813dcc80987e | 128 | static void USART_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 610:813dcc80987e | 129 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 610:813dcc80987e | 130 | static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart); |
mbed_official | 610:813dcc80987e | 131 | static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart); |
mbed_official | 610:813dcc80987e | 132 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 610:813dcc80987e | 133 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 610:813dcc80987e | 134 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); |
mbed_official | 610:813dcc80987e | 135 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); |
mbed_official | 610:813dcc80987e | 136 | /** |
mbed_official | 610:813dcc80987e | 137 | * @} |
mbed_official | 610:813dcc80987e | 138 | */ |
mbed_official | 610:813dcc80987e | 139 | |
mbed_official | 610:813dcc80987e | 140 | /* Exported functions --------------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 141 | |
mbed_official | 610:813dcc80987e | 142 | /** @defgroup USART_Exported_Functions USART Exported Functions |
mbed_official | 610:813dcc80987e | 143 | * @{ |
mbed_official | 610:813dcc80987e | 144 | */ |
mbed_official | 610:813dcc80987e | 145 | |
mbed_official | 610:813dcc80987e | 146 | /** @defgroup USART_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 610:813dcc80987e | 147 | * @brief Initialization and Configuration functions |
mbed_official | 610:813dcc80987e | 148 | * |
mbed_official | 610:813dcc80987e | 149 | @verbatim |
mbed_official | 610:813dcc80987e | 150 | =============================================================================== |
mbed_official | 610:813dcc80987e | 151 | ##### Initialization and Configuration functions ##### |
mbed_official | 610:813dcc80987e | 152 | =============================================================================== |
mbed_official | 610:813dcc80987e | 153 | [..] |
mbed_official | 610:813dcc80987e | 154 | This subsection provides a set of functions allowing to initialize the USART |
mbed_official | 610:813dcc80987e | 155 | in asynchronous and in synchronous modes. |
mbed_official | 610:813dcc80987e | 156 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 610:813dcc80987e | 157 | (++) Baud Rate |
mbed_official | 610:813dcc80987e | 158 | (++) Word Length |
mbed_official | 610:813dcc80987e | 159 | (++) Stop Bit |
mbed_official | 610:813dcc80987e | 160 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 610:813dcc80987e | 161 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 610:813dcc80987e | 162 | Depending on the frame length defined by the M1 and M0 bits (7-bit, |
mbed_official | 610:813dcc80987e | 163 | 8-bit or 9-bit), the possible USART frame formats are as listed in the |
mbed_official | 610:813dcc80987e | 164 | following table: |
mbed_official | 610:813dcc80987e | 165 | |
mbed_official | 610:813dcc80987e | 166 | (+++) Table 1. USART frame format. |
mbed_official | 610:813dcc80987e | 167 | (+++) +-----------------------------------------------------------------------+ |
mbed_official | 610:813dcc80987e | 168 | (+++) | M1 bit | M0 bit | PCE bit | USART frame | |
mbed_official | 610:813dcc80987e | 169 | (+++) |---------|---------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 170 | (+++) | 0 | 0 | 0 | | SB | 8 bit data | STB | | |
mbed_official | 610:813dcc80987e | 171 | (+++) |---------|---------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 172 | (+++) | 0 | 0 | 1 | | SB | 7 bit data | PB | STB | | |
mbed_official | 610:813dcc80987e | 173 | (+++) |---------|---------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 174 | (+++) | 0 | 1 | 0 | | SB | 9 bit data | STB | | |
mbed_official | 610:813dcc80987e | 175 | (+++) |---------|---------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 176 | (+++) | 0 | 1 | 1 | | SB | 8 bit data | PB | STB | | |
mbed_official | 610:813dcc80987e | 177 | (+++) |---------|---------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 178 | (+++) | 1 | 0 | 0 | | SB | 7 bit data | STB | | |
mbed_official | 610:813dcc80987e | 179 | (+++) |---------|---------|-----------|---------------------------------------| |
mbed_official | 610:813dcc80987e | 180 | (+++) | 1 | 0 | 1 | | SB | 6 bit data | PB | STB | | |
mbed_official | 610:813dcc80987e | 181 | (+++) +-----------------------------------------------------------------------+ |
mbed_official | 610:813dcc80987e | 182 | (++) USART polarity |
mbed_official | 610:813dcc80987e | 183 | (++) USART phase |
mbed_official | 610:813dcc80987e | 184 | (++) USART LastBit |
mbed_official | 610:813dcc80987e | 185 | (++) Receiver/transmitter modes |
mbed_official | 610:813dcc80987e | 186 | |
mbed_official | 610:813dcc80987e | 187 | [..] |
mbed_official | 610:813dcc80987e | 188 | The HAL_USART_Init() function follows the USART synchronous configuration |
mbed_official | 610:813dcc80987e | 189 | procedure (details for the procedure are available in reference manual). |
mbed_official | 610:813dcc80987e | 190 | |
mbed_official | 610:813dcc80987e | 191 | @endverbatim |
mbed_official | 610:813dcc80987e | 192 | * @{ |
mbed_official | 610:813dcc80987e | 193 | */ |
mbed_official | 610:813dcc80987e | 194 | |
mbed_official | 610:813dcc80987e | 195 | /** |
mbed_official | 610:813dcc80987e | 196 | * @brief Initializes the USART mode according to the specified |
mbed_official | 610:813dcc80987e | 197 | * parameters in the USART_InitTypeDef and initialize the associated handle. |
mbed_official | 610:813dcc80987e | 198 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 199 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 200 | */ |
mbed_official | 610:813dcc80987e | 201 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 202 | { |
mbed_official | 610:813dcc80987e | 203 | /* Check the USART handle allocation */ |
mbed_official | 610:813dcc80987e | 204 | if(husart == NULL) |
mbed_official | 610:813dcc80987e | 205 | { |
mbed_official | 610:813dcc80987e | 206 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 207 | } |
mbed_official | 610:813dcc80987e | 208 | |
mbed_official | 610:813dcc80987e | 209 | /* Check the parameters */ |
mbed_official | 610:813dcc80987e | 210 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 610:813dcc80987e | 211 | |
mbed_official | 610:813dcc80987e | 212 | if(husart->State == HAL_USART_STATE_RESET) |
mbed_official | 610:813dcc80987e | 213 | { |
mbed_official | 610:813dcc80987e | 214 | /* Allocate lock resource and initialize it */ |
mbed_official | 610:813dcc80987e | 215 | husart->Lock = HAL_UNLOCKED; |
mbed_official | 610:813dcc80987e | 216 | |
mbed_official | 610:813dcc80987e | 217 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 610:813dcc80987e | 218 | HAL_USART_MspInit(husart); |
mbed_official | 610:813dcc80987e | 219 | } |
mbed_official | 610:813dcc80987e | 220 | |
mbed_official | 610:813dcc80987e | 221 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 610:813dcc80987e | 222 | |
mbed_official | 610:813dcc80987e | 223 | /* Disable the Peripheral */ |
mbed_official | 610:813dcc80987e | 224 | __HAL_USART_DISABLE(husart); |
mbed_official | 610:813dcc80987e | 225 | |
mbed_official | 610:813dcc80987e | 226 | /* Set the Usart Communication parameters */ |
mbed_official | 610:813dcc80987e | 227 | if (USART_SetConfig(husart) == HAL_ERROR) |
mbed_official | 610:813dcc80987e | 228 | { |
mbed_official | 610:813dcc80987e | 229 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 230 | } |
mbed_official | 610:813dcc80987e | 231 | |
mbed_official | 610:813dcc80987e | 232 | /* In Synchronous mode, the following bits must be kept cleared: |
mbed_official | 610:813dcc80987e | 233 | - LINEN bit in the USART_CR2 register |
mbed_official | 610:813dcc80987e | 234 | - HDSEL, SCEN and IREN bits in the USART_CR3 register.*/ |
mbed_official | 610:813dcc80987e | 235 | husart->Instance->CR2 &= ~USART_CR2_LINEN; |
mbed_official | 610:813dcc80987e | 236 | husart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 610:813dcc80987e | 237 | |
mbed_official | 610:813dcc80987e | 238 | /* Enable the Peripheral */ |
mbed_official | 610:813dcc80987e | 239 | __HAL_USART_ENABLE(husart); |
mbed_official | 610:813dcc80987e | 240 | |
mbed_official | 610:813dcc80987e | 241 | /* TEACK and/or REACK to check before moving husart->State to Ready */ |
mbed_official | 610:813dcc80987e | 242 | return (USART_CheckIdleState(husart)); |
mbed_official | 610:813dcc80987e | 243 | } |
mbed_official | 610:813dcc80987e | 244 | |
mbed_official | 610:813dcc80987e | 245 | /** |
mbed_official | 610:813dcc80987e | 246 | * @brief DeInitialize the USART peripheral. |
mbed_official | 610:813dcc80987e | 247 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 248 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 249 | */ |
mbed_official | 610:813dcc80987e | 250 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 251 | { |
mbed_official | 610:813dcc80987e | 252 | /* Check the USART handle allocation */ |
mbed_official | 610:813dcc80987e | 253 | if(husart == NULL) |
mbed_official | 610:813dcc80987e | 254 | { |
mbed_official | 610:813dcc80987e | 255 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 256 | } |
mbed_official | 610:813dcc80987e | 257 | |
mbed_official | 610:813dcc80987e | 258 | /* Check the parameters */ |
mbed_official | 610:813dcc80987e | 259 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 610:813dcc80987e | 260 | |
mbed_official | 610:813dcc80987e | 261 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 610:813dcc80987e | 262 | |
mbed_official | 610:813dcc80987e | 263 | husart->Instance->CR1 = 0x0; |
mbed_official | 610:813dcc80987e | 264 | husart->Instance->CR2 = 0x0; |
mbed_official | 610:813dcc80987e | 265 | husart->Instance->CR3 = 0x0; |
mbed_official | 610:813dcc80987e | 266 | |
mbed_official | 610:813dcc80987e | 267 | /* DeInit the low level hardware */ |
mbed_official | 610:813dcc80987e | 268 | HAL_USART_MspDeInit(husart); |
mbed_official | 610:813dcc80987e | 269 | |
mbed_official | 610:813dcc80987e | 270 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 271 | husart->State = HAL_USART_STATE_RESET; |
mbed_official | 610:813dcc80987e | 272 | |
mbed_official | 610:813dcc80987e | 273 | /* Process Unlock */ |
mbed_official | 610:813dcc80987e | 274 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 275 | |
mbed_official | 610:813dcc80987e | 276 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 277 | } |
mbed_official | 610:813dcc80987e | 278 | |
mbed_official | 610:813dcc80987e | 279 | /** |
mbed_official | 610:813dcc80987e | 280 | * @brief Initialize the USART MSP. |
mbed_official | 610:813dcc80987e | 281 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 282 | * @retval None |
mbed_official | 610:813dcc80987e | 283 | */ |
mbed_official | 610:813dcc80987e | 284 | __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 285 | { |
mbed_official | 610:813dcc80987e | 286 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 287 | the HAL_USART_MspInit can be implemented in the user file |
mbed_official | 610:813dcc80987e | 288 | */ |
mbed_official | 610:813dcc80987e | 289 | } |
mbed_official | 610:813dcc80987e | 290 | |
mbed_official | 610:813dcc80987e | 291 | /** |
mbed_official | 610:813dcc80987e | 292 | * @brief DeInitialize the USART MSP. |
mbed_official | 610:813dcc80987e | 293 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 294 | * @retval None |
mbed_official | 610:813dcc80987e | 295 | */ |
mbed_official | 610:813dcc80987e | 296 | __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 297 | { |
mbed_official | 610:813dcc80987e | 298 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 299 | the HAL_USART_MspDeInit can be implemented in the user file |
mbed_official | 610:813dcc80987e | 300 | */ |
mbed_official | 610:813dcc80987e | 301 | } |
mbed_official | 610:813dcc80987e | 302 | |
mbed_official | 610:813dcc80987e | 303 | /** |
mbed_official | 610:813dcc80987e | 304 | * @} |
mbed_official | 610:813dcc80987e | 305 | */ |
mbed_official | 610:813dcc80987e | 306 | |
mbed_official | 610:813dcc80987e | 307 | /** @defgroup USART_Exported_Functions_Group2 IO operation functions |
mbed_official | 610:813dcc80987e | 308 | * @brief USART Transmit and Receive functions |
mbed_official | 610:813dcc80987e | 309 | * |
mbed_official | 610:813dcc80987e | 310 | @verbatim |
mbed_official | 610:813dcc80987e | 311 | =============================================================================== |
mbed_official | 610:813dcc80987e | 312 | ##### IO operation functions ##### |
mbed_official | 610:813dcc80987e | 313 | =============================================================================== |
mbed_official | 610:813dcc80987e | 314 | [..] This subsection provides a set of functions allowing to manage the USART synchronous |
mbed_official | 610:813dcc80987e | 315 | data transfers. |
mbed_official | 610:813dcc80987e | 316 | |
mbed_official | 610:813dcc80987e | 317 | [..] The USART supports master mode only: it cannot receive or send data related to an input |
mbed_official | 610:813dcc80987e | 318 | clock (SCLK is always an output). |
mbed_official | 610:813dcc80987e | 319 | |
mbed_official | 610:813dcc80987e | 320 | (#) There are two modes of transfer: |
mbed_official | 610:813dcc80987e | 321 | (++) Blocking mode: The communication is performed in polling mode. |
mbed_official | 610:813dcc80987e | 322 | The HAL status of all data processing is returned by the same function |
mbed_official | 610:813dcc80987e | 323 | after finishing transfer. |
mbed_official | 610:813dcc80987e | 324 | (++) No-Blocking mode: The communication is performed using Interrupts |
mbed_official | 610:813dcc80987e | 325 | or DMA, These API's return the HAL status. |
mbed_official | 610:813dcc80987e | 326 | The end of the data processing will be indicated through the |
mbed_official | 610:813dcc80987e | 327 | dedicated USART IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 610:813dcc80987e | 328 | using DMA mode. |
mbed_official | 610:813dcc80987e | 329 | The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() user callbacks |
mbed_official | 610:813dcc80987e | 330 | will be executed respectively at the end of the transmit or Receive process |
mbed_official | 610:813dcc80987e | 331 | The HAL_USART_ErrorCallback()user callback will be executed when a communication error is detected |
mbed_official | 610:813dcc80987e | 332 | |
mbed_official | 610:813dcc80987e | 333 | (#) Blocking mode API's are : |
mbed_official | 610:813dcc80987e | 334 | (++) HAL_USART_Transmit()in simplex mode |
mbed_official | 610:813dcc80987e | 335 | (++) HAL_USART_Receive() in full duplex receive only |
mbed_official | 610:813dcc80987e | 336 | (++) HAL_USART_TransmitReceive() in full duplex mode |
mbed_official | 610:813dcc80987e | 337 | |
mbed_official | 610:813dcc80987e | 338 | (#) Non-Blocking mode API's with Interrupt are : |
mbed_official | 610:813dcc80987e | 339 | (++) HAL_USART_Transmit_IT()in simplex mode |
mbed_official | 610:813dcc80987e | 340 | (++) HAL_USART_Receive_IT() in full duplex receive only |
mbed_official | 610:813dcc80987e | 341 | (++) HAL_USART_TransmitReceive_IT()in full duplex mode |
mbed_official | 610:813dcc80987e | 342 | (++) HAL_USART_IRQHandler() |
mbed_official | 610:813dcc80987e | 343 | |
mbed_official | 610:813dcc80987e | 344 | (#) No-Blocking mode API's with DMA are : |
mbed_official | 610:813dcc80987e | 345 | (++) HAL_USART_Transmit_DMA()in simplex mode |
mbed_official | 610:813dcc80987e | 346 | (++) HAL_USART_Receive_DMA() in full duplex receive only |
mbed_official | 610:813dcc80987e | 347 | (++) HAL_USART_TransmitReceive_DMA() in full duplex mode |
mbed_official | 610:813dcc80987e | 348 | (++) HAL_USART_DMAPause() |
mbed_official | 610:813dcc80987e | 349 | (++) HAL_USART_DMAResume() |
mbed_official | 610:813dcc80987e | 350 | (++) HAL_USART_DMAStop() |
mbed_official | 610:813dcc80987e | 351 | |
mbed_official | 610:813dcc80987e | 352 | (#) A set of Transfer Complete Callbacks are provided in No_Blocking mode: |
mbed_official | 610:813dcc80987e | 353 | (++) HAL_USART_TxCpltCallback() |
mbed_official | 610:813dcc80987e | 354 | (++) HAL_USART_RxCpltCallback() |
mbed_official | 610:813dcc80987e | 355 | (++) HAL_USART_TxHalfCpltCallback() |
mbed_official | 610:813dcc80987e | 356 | (++) HAL_USART_RxHalfCpltCallback() |
mbed_official | 610:813dcc80987e | 357 | (++) HAL_USART_ErrorCallback() |
mbed_official | 610:813dcc80987e | 358 | (++) HAL_USART_TxRxCpltCallback() |
mbed_official | 610:813dcc80987e | 359 | |
mbed_official | 610:813dcc80987e | 360 | @endverbatim |
mbed_official | 610:813dcc80987e | 361 | * @{ |
mbed_official | 610:813dcc80987e | 362 | */ |
mbed_official | 610:813dcc80987e | 363 | |
mbed_official | 610:813dcc80987e | 364 | /** |
mbed_official | 610:813dcc80987e | 365 | * @brief Simplex send an amount of data in blocking mode. |
mbed_official | 610:813dcc80987e | 366 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 367 | * @param pTxData: Pointer to data buffer. |
mbed_official | 610:813dcc80987e | 368 | * @param Size: Amount of data to be sent. |
mbed_official | 610:813dcc80987e | 369 | * @param Timeout: Timeout duration. |
mbed_official | 610:813dcc80987e | 370 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 371 | */ |
mbed_official | 610:813dcc80987e | 372 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 610:813dcc80987e | 373 | { |
mbed_official | 610:813dcc80987e | 374 | uint16_t* tmp; |
mbed_official | 610:813dcc80987e | 375 | |
mbed_official | 610:813dcc80987e | 376 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 377 | { |
mbed_official | 610:813dcc80987e | 378 | if((pTxData == NULL) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 379 | { |
mbed_official | 610:813dcc80987e | 380 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 381 | } |
mbed_official | 610:813dcc80987e | 382 | |
mbed_official | 610:813dcc80987e | 383 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 384 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 385 | |
mbed_official | 610:813dcc80987e | 386 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 387 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 610:813dcc80987e | 388 | |
mbed_official | 610:813dcc80987e | 389 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 390 | husart->TxXferCount = Size; |
mbed_official | 610:813dcc80987e | 391 | |
mbed_official | 610:813dcc80987e | 392 | /* Check the remaining data to be sent */ |
mbed_official | 610:813dcc80987e | 393 | while(husart->TxXferCount > 0) |
mbed_official | 610:813dcc80987e | 394 | { |
mbed_official | 610:813dcc80987e | 395 | husart->TxXferCount--; |
mbed_official | 610:813dcc80987e | 396 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 610:813dcc80987e | 397 | { |
mbed_official | 610:813dcc80987e | 398 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 399 | } |
mbed_official | 610:813dcc80987e | 400 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 401 | { |
mbed_official | 610:813dcc80987e | 402 | tmp = (uint16_t*) pTxData; |
mbed_official | 610:813dcc80987e | 403 | husart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 610:813dcc80987e | 404 | pTxData += 2; |
mbed_official | 610:813dcc80987e | 405 | } |
mbed_official | 610:813dcc80987e | 406 | else |
mbed_official | 610:813dcc80987e | 407 | { |
mbed_official | 610:813dcc80987e | 408 | husart->Instance->TDR = (*pTxData++ & (uint8_t)0xFF); |
mbed_official | 610:813dcc80987e | 409 | } |
mbed_official | 610:813dcc80987e | 410 | } |
mbed_official | 610:813dcc80987e | 411 | |
mbed_official | 610:813dcc80987e | 412 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 610:813dcc80987e | 413 | { |
mbed_official | 610:813dcc80987e | 414 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 415 | } |
mbed_official | 610:813dcc80987e | 416 | |
mbed_official | 610:813dcc80987e | 417 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 418 | |
mbed_official | 610:813dcc80987e | 419 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 420 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 421 | |
mbed_official | 610:813dcc80987e | 422 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 423 | } |
mbed_official | 610:813dcc80987e | 424 | else |
mbed_official | 610:813dcc80987e | 425 | { |
mbed_official | 610:813dcc80987e | 426 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 427 | } |
mbed_official | 610:813dcc80987e | 428 | } |
mbed_official | 610:813dcc80987e | 429 | |
mbed_official | 610:813dcc80987e | 430 | /** |
mbed_official | 610:813dcc80987e | 431 | * @brief Receive an amount of data in blocking mode. |
mbed_official | 610:813dcc80987e | 432 | * @note To receive synchronous data, dummy data are simultaneously transmitted. |
mbed_official | 610:813dcc80987e | 433 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 434 | * @param pRxData: Pointer to data buffer. |
mbed_official | 610:813dcc80987e | 435 | * @param Size: Amount of data to be received. |
mbed_official | 610:813dcc80987e | 436 | * @param Timeout: Timeout duration. |
mbed_official | 610:813dcc80987e | 437 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 438 | */ |
mbed_official | 610:813dcc80987e | 439 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 610:813dcc80987e | 440 | { |
mbed_official | 610:813dcc80987e | 441 | uint16_t* tmp; |
mbed_official | 610:813dcc80987e | 442 | uint16_t uhMask; |
mbed_official | 610:813dcc80987e | 443 | |
mbed_official | 610:813dcc80987e | 444 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 445 | { |
mbed_official | 610:813dcc80987e | 446 | if((pRxData == NULL) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 447 | { |
mbed_official | 610:813dcc80987e | 448 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 449 | } |
mbed_official | 610:813dcc80987e | 450 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 451 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 452 | |
mbed_official | 610:813dcc80987e | 453 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 454 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 610:813dcc80987e | 455 | |
mbed_official | 610:813dcc80987e | 456 | husart->RxXferSize = Size; |
mbed_official | 610:813dcc80987e | 457 | husart->RxXferCount = Size; |
mbed_official | 610:813dcc80987e | 458 | |
mbed_official | 610:813dcc80987e | 459 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 610:813dcc80987e | 460 | USART_MASK_COMPUTATION(husart); |
mbed_official | 610:813dcc80987e | 461 | uhMask = husart->Mask; |
mbed_official | 610:813dcc80987e | 462 | |
mbed_official | 610:813dcc80987e | 463 | /* as long as data have to be received */ |
mbed_official | 610:813dcc80987e | 464 | while(husart->RxXferCount > 0) |
mbed_official | 610:813dcc80987e | 465 | { |
mbed_official | 610:813dcc80987e | 466 | husart->RxXferCount--; |
mbed_official | 610:813dcc80987e | 467 | |
mbed_official | 610:813dcc80987e | 468 | /* Wait until TC flag is set to send dummy byte in order to generate the |
mbed_official | 610:813dcc80987e | 469 | * clock for the slave to send data. |
mbed_official | 610:813dcc80987e | 470 | * Whatever the frame length (7, 8 or 9-bit long), the same dummy value |
mbed_official | 610:813dcc80987e | 471 | * can be written for all the cases. */ |
mbed_official | 610:813dcc80987e | 472 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 610:813dcc80987e | 473 | { |
mbed_official | 610:813dcc80987e | 474 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 475 | } |
mbed_official | 610:813dcc80987e | 476 | husart->Instance->TDR = (USART_DUMMY_DATA & (uint16_t)0x0FF); |
mbed_official | 610:813dcc80987e | 477 | |
mbed_official | 610:813dcc80987e | 478 | /* Wait for RXNE Flag */ |
mbed_official | 610:813dcc80987e | 479 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 610:813dcc80987e | 480 | { |
mbed_official | 610:813dcc80987e | 481 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 482 | } |
mbed_official | 610:813dcc80987e | 483 | |
mbed_official | 610:813dcc80987e | 484 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 485 | { |
mbed_official | 610:813dcc80987e | 486 | tmp = (uint16_t*) pRxData ; |
mbed_official | 610:813dcc80987e | 487 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 610:813dcc80987e | 488 | pRxData +=2; |
mbed_official | 610:813dcc80987e | 489 | } |
mbed_official | 610:813dcc80987e | 490 | else |
mbed_official | 610:813dcc80987e | 491 | { |
mbed_official | 610:813dcc80987e | 492 | *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 610:813dcc80987e | 493 | } |
mbed_official | 610:813dcc80987e | 494 | } |
mbed_official | 610:813dcc80987e | 495 | |
mbed_official | 610:813dcc80987e | 496 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 497 | |
mbed_official | 610:813dcc80987e | 498 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 499 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 500 | |
mbed_official | 610:813dcc80987e | 501 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 502 | } |
mbed_official | 610:813dcc80987e | 503 | else |
mbed_official | 610:813dcc80987e | 504 | { |
mbed_official | 610:813dcc80987e | 505 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 506 | } |
mbed_official | 610:813dcc80987e | 507 | } |
mbed_official | 610:813dcc80987e | 508 | |
mbed_official | 610:813dcc80987e | 509 | /** |
mbed_official | 610:813dcc80987e | 510 | * @brief Full-Duplex Send and Receive an amount of data in blocking mode. |
mbed_official | 610:813dcc80987e | 511 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 512 | * @param pTxData: pointer to TX data buffer. |
mbed_official | 610:813dcc80987e | 513 | * @param pRxData: pointer to RX data buffer. |
mbed_official | 610:813dcc80987e | 514 | * @param Size: amount of data to be sent (same amount to be received). |
mbed_official | 610:813dcc80987e | 515 | * @param Timeout: Timeout duration. |
mbed_official | 610:813dcc80987e | 516 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 517 | */ |
mbed_official | 610:813dcc80987e | 518 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 610:813dcc80987e | 519 | { |
mbed_official | 610:813dcc80987e | 520 | uint16_t* tmp; |
mbed_official | 610:813dcc80987e | 521 | uint16_t uhMask; |
mbed_official | 610:813dcc80987e | 522 | |
mbed_official | 610:813dcc80987e | 523 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 524 | { |
mbed_official | 610:813dcc80987e | 525 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 526 | { |
mbed_official | 610:813dcc80987e | 527 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 528 | } |
mbed_official | 610:813dcc80987e | 529 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 530 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 531 | |
mbed_official | 610:813dcc80987e | 532 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 533 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 610:813dcc80987e | 534 | |
mbed_official | 610:813dcc80987e | 535 | husart->RxXferSize = Size; |
mbed_official | 610:813dcc80987e | 536 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 537 | husart->TxXferCount = Size; |
mbed_official | 610:813dcc80987e | 538 | husart->RxXferCount = Size; |
mbed_official | 610:813dcc80987e | 539 | |
mbed_official | 610:813dcc80987e | 540 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 610:813dcc80987e | 541 | USART_MASK_COMPUTATION(husart); |
mbed_official | 610:813dcc80987e | 542 | uhMask = husart->Mask; |
mbed_official | 610:813dcc80987e | 543 | |
mbed_official | 610:813dcc80987e | 544 | /* Check the remain data to be sent */ |
mbed_official | 610:813dcc80987e | 545 | while(husart->TxXferCount > 0) |
mbed_official | 610:813dcc80987e | 546 | { |
mbed_official | 610:813dcc80987e | 547 | husart->TxXferCount--; |
mbed_official | 610:813dcc80987e | 548 | husart->RxXferCount--; |
mbed_official | 610:813dcc80987e | 549 | |
mbed_official | 610:813dcc80987e | 550 | /* Wait until TC flag is set to send data */ |
mbed_official | 610:813dcc80987e | 551 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 610:813dcc80987e | 552 | { |
mbed_official | 610:813dcc80987e | 553 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 554 | } |
mbed_official | 610:813dcc80987e | 555 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 556 | { |
mbed_official | 610:813dcc80987e | 557 | tmp = (uint16_t*) pTxData; |
mbed_official | 610:813dcc80987e | 558 | husart->Instance->TDR = (*tmp & uhMask); |
mbed_official | 610:813dcc80987e | 559 | pTxData += 2; |
mbed_official | 610:813dcc80987e | 560 | } |
mbed_official | 610:813dcc80987e | 561 | else |
mbed_official | 610:813dcc80987e | 562 | { |
mbed_official | 610:813dcc80987e | 563 | husart->Instance->TDR = (*pTxData++ & (uint8_t)uhMask); |
mbed_official | 610:813dcc80987e | 564 | } |
mbed_official | 610:813dcc80987e | 565 | |
mbed_official | 610:813dcc80987e | 566 | /* Wait for RXNE Flag */ |
mbed_official | 610:813dcc80987e | 567 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 610:813dcc80987e | 568 | { |
mbed_official | 610:813dcc80987e | 569 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 570 | } |
mbed_official | 610:813dcc80987e | 571 | |
mbed_official | 610:813dcc80987e | 572 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 573 | { |
mbed_official | 610:813dcc80987e | 574 | tmp = (uint16_t*) pRxData ; |
mbed_official | 610:813dcc80987e | 575 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 610:813dcc80987e | 576 | pRxData +=2; |
mbed_official | 610:813dcc80987e | 577 | } |
mbed_official | 610:813dcc80987e | 578 | else |
mbed_official | 610:813dcc80987e | 579 | { |
mbed_official | 610:813dcc80987e | 580 | *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 610:813dcc80987e | 581 | } |
mbed_official | 610:813dcc80987e | 582 | } |
mbed_official | 610:813dcc80987e | 583 | |
mbed_official | 610:813dcc80987e | 584 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 585 | |
mbed_official | 610:813dcc80987e | 586 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 587 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 588 | |
mbed_official | 610:813dcc80987e | 589 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 590 | } |
mbed_official | 610:813dcc80987e | 591 | else |
mbed_official | 610:813dcc80987e | 592 | { |
mbed_official | 610:813dcc80987e | 593 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 594 | } |
mbed_official | 610:813dcc80987e | 595 | } |
mbed_official | 610:813dcc80987e | 596 | |
mbed_official | 610:813dcc80987e | 597 | /** |
mbed_official | 610:813dcc80987e | 598 | * @brief Send an amount of data in interrupt mode. |
mbed_official | 610:813dcc80987e | 599 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 600 | * @param pTxData: pointer to data buffer. |
mbed_official | 610:813dcc80987e | 601 | * @param Size: amount of data to be sent. |
mbed_official | 610:813dcc80987e | 602 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 603 | */ |
mbed_official | 610:813dcc80987e | 604 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 610:813dcc80987e | 605 | { |
mbed_official | 610:813dcc80987e | 606 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 607 | { |
mbed_official | 610:813dcc80987e | 608 | if((pTxData == NULL ) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 609 | { |
mbed_official | 610:813dcc80987e | 610 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 611 | } |
mbed_official | 610:813dcc80987e | 612 | |
mbed_official | 610:813dcc80987e | 613 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 614 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 615 | |
mbed_official | 610:813dcc80987e | 616 | husart->pTxBuffPtr = pTxData; |
mbed_official | 610:813dcc80987e | 617 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 618 | husart->TxXferCount = Size; |
mbed_official | 610:813dcc80987e | 619 | |
mbed_official | 610:813dcc80987e | 620 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 621 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 610:813dcc80987e | 622 | |
mbed_official | 610:813dcc80987e | 623 | /* The USART Error Interrupts: (Frame error, noise error, overrun error) |
mbed_official | 610:813dcc80987e | 624 | are not managed by the USART Transmit Process to avoid the overrun interrupt |
mbed_official | 610:813dcc80987e | 625 | when the usart mode is configured for transmit and receive "USART_MODE_TX_RX" |
mbed_official | 610:813dcc80987e | 626 | to benefit for the frame error and noise interrupts the usart mode should be |
mbed_official | 610:813dcc80987e | 627 | configured only for transmit "USART_MODE_TX" */ |
mbed_official | 610:813dcc80987e | 628 | |
mbed_official | 610:813dcc80987e | 629 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 630 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 631 | |
mbed_official | 610:813dcc80987e | 632 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 610:813dcc80987e | 633 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 610:813dcc80987e | 634 | |
mbed_official | 610:813dcc80987e | 635 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 636 | } |
mbed_official | 610:813dcc80987e | 637 | else |
mbed_official | 610:813dcc80987e | 638 | { |
mbed_official | 610:813dcc80987e | 639 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 640 | } |
mbed_official | 610:813dcc80987e | 641 | } |
mbed_official | 610:813dcc80987e | 642 | |
mbed_official | 610:813dcc80987e | 643 | /** |
mbed_official | 610:813dcc80987e | 644 | * @brief Receive an amount of data in blocking mode. |
mbed_official | 610:813dcc80987e | 645 | * @note To receive synchronous data, dummy data are simultaneously transmitted. |
mbed_official | 610:813dcc80987e | 646 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 647 | * @param pRxData: pointer to data buffer. |
mbed_official | 610:813dcc80987e | 648 | * @param Size: amount of data to be received. |
mbed_official | 610:813dcc80987e | 649 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 650 | */ |
mbed_official | 610:813dcc80987e | 651 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 610:813dcc80987e | 652 | { |
mbed_official | 610:813dcc80987e | 653 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 654 | { |
mbed_official | 610:813dcc80987e | 655 | if((pRxData == NULL ) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 656 | { |
mbed_official | 610:813dcc80987e | 657 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 658 | } |
mbed_official | 610:813dcc80987e | 659 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 660 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 661 | |
mbed_official | 610:813dcc80987e | 662 | husart->pRxBuffPtr = pRxData; |
mbed_official | 610:813dcc80987e | 663 | husart->RxXferSize = Size; |
mbed_official | 610:813dcc80987e | 664 | husart->RxXferCount = Size; |
mbed_official | 610:813dcc80987e | 665 | |
mbed_official | 610:813dcc80987e | 666 | USART_MASK_COMPUTATION(husart); |
mbed_official | 610:813dcc80987e | 667 | |
mbed_official | 610:813dcc80987e | 668 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 669 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 610:813dcc80987e | 670 | |
mbed_official | 610:813dcc80987e | 671 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 610:813dcc80987e | 672 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 610:813dcc80987e | 673 | |
mbed_official | 610:813dcc80987e | 674 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 610:813dcc80987e | 675 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 676 | |
mbed_official | 610:813dcc80987e | 677 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 610:813dcc80987e | 678 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 610:813dcc80987e | 679 | |
mbed_official | 610:813dcc80987e | 680 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 681 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 682 | |
mbed_official | 610:813dcc80987e | 683 | |
mbed_official | 610:813dcc80987e | 684 | /* Send dummy byte in order to generate the clock for the Slave to send the next data */ |
mbed_official | 610:813dcc80987e | 685 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 610:813dcc80987e | 686 | { |
mbed_official | 610:813dcc80987e | 687 | husart->Instance->TDR = (USART_DUMMY_DATA & (uint16_t)0x01FF); |
mbed_official | 610:813dcc80987e | 688 | } |
mbed_official | 610:813dcc80987e | 689 | else |
mbed_official | 610:813dcc80987e | 690 | { |
mbed_official | 610:813dcc80987e | 691 | husart->Instance->TDR = (USART_DUMMY_DATA & (uint16_t)0x00FF); |
mbed_official | 610:813dcc80987e | 692 | } |
mbed_official | 610:813dcc80987e | 693 | |
mbed_official | 610:813dcc80987e | 694 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 695 | } |
mbed_official | 610:813dcc80987e | 696 | else |
mbed_official | 610:813dcc80987e | 697 | { |
mbed_official | 610:813dcc80987e | 698 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 699 | } |
mbed_official | 610:813dcc80987e | 700 | } |
mbed_official | 610:813dcc80987e | 701 | |
mbed_official | 610:813dcc80987e | 702 | /** |
mbed_official | 610:813dcc80987e | 703 | * @brief Full-Duplex Send and Receive an amount of data in interrupt mode. |
mbed_official | 610:813dcc80987e | 704 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 705 | * @param pTxData: pointer to TX data buffer. |
mbed_official | 610:813dcc80987e | 706 | * @param pRxData: pointer to RX data buffer. |
mbed_official | 610:813dcc80987e | 707 | * @param Size: amount of data to be sent (same amount to be received). |
mbed_official | 610:813dcc80987e | 708 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 709 | */ |
mbed_official | 610:813dcc80987e | 710 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 610:813dcc80987e | 711 | { |
mbed_official | 610:813dcc80987e | 712 | |
mbed_official | 610:813dcc80987e | 713 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 714 | { |
mbed_official | 610:813dcc80987e | 715 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 716 | { |
mbed_official | 610:813dcc80987e | 717 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 718 | } |
mbed_official | 610:813dcc80987e | 719 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 720 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 721 | |
mbed_official | 610:813dcc80987e | 722 | husart->pRxBuffPtr = pRxData; |
mbed_official | 610:813dcc80987e | 723 | husart->RxXferSize = Size; |
mbed_official | 610:813dcc80987e | 724 | husart->RxXferCount = Size; |
mbed_official | 610:813dcc80987e | 725 | husart->pTxBuffPtr = pTxData; |
mbed_official | 610:813dcc80987e | 726 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 727 | husart->TxXferCount = Size; |
mbed_official | 610:813dcc80987e | 728 | |
mbed_official | 610:813dcc80987e | 729 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 610:813dcc80987e | 730 | USART_MASK_COMPUTATION(husart); |
mbed_official | 610:813dcc80987e | 731 | |
mbed_official | 610:813dcc80987e | 732 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 733 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 610:813dcc80987e | 734 | |
mbed_official | 610:813dcc80987e | 735 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 610:813dcc80987e | 736 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 610:813dcc80987e | 737 | |
mbed_official | 610:813dcc80987e | 738 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 610:813dcc80987e | 739 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 610:813dcc80987e | 740 | |
mbed_official | 610:813dcc80987e | 741 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 610:813dcc80987e | 742 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 743 | |
mbed_official | 610:813dcc80987e | 744 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 745 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 746 | |
mbed_official | 610:813dcc80987e | 747 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 610:813dcc80987e | 748 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 610:813dcc80987e | 749 | |
mbed_official | 610:813dcc80987e | 750 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 751 | } |
mbed_official | 610:813dcc80987e | 752 | else |
mbed_official | 610:813dcc80987e | 753 | { |
mbed_official | 610:813dcc80987e | 754 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 755 | } |
mbed_official | 610:813dcc80987e | 756 | |
mbed_official | 610:813dcc80987e | 757 | } |
mbed_official | 610:813dcc80987e | 758 | |
mbed_official | 610:813dcc80987e | 759 | /** |
mbed_official | 610:813dcc80987e | 760 | * @brief Send an amount of data in DMA mode. |
mbed_official | 610:813dcc80987e | 761 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 762 | * @param pTxData: pointer to data buffer. |
mbed_official | 610:813dcc80987e | 763 | * @param Size: amount of data to be sent. |
mbed_official | 610:813dcc80987e | 764 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 765 | */ |
mbed_official | 610:813dcc80987e | 766 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 610:813dcc80987e | 767 | { |
mbed_official | 610:813dcc80987e | 768 | uint32_t *tmp; |
mbed_official | 610:813dcc80987e | 769 | |
mbed_official | 610:813dcc80987e | 770 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 771 | { |
mbed_official | 610:813dcc80987e | 772 | if((pTxData == NULL ) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 773 | { |
mbed_official | 610:813dcc80987e | 774 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 775 | } |
mbed_official | 610:813dcc80987e | 776 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 777 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 778 | |
mbed_official | 610:813dcc80987e | 779 | husart->pTxBuffPtr = pTxData; |
mbed_official | 610:813dcc80987e | 780 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 781 | husart->TxXferCount = Size; |
mbed_official | 610:813dcc80987e | 782 | |
mbed_official | 610:813dcc80987e | 783 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 784 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 610:813dcc80987e | 785 | |
mbed_official | 610:813dcc80987e | 786 | /* Set the USART DMA transfer complete callback */ |
mbed_official | 610:813dcc80987e | 787 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 610:813dcc80987e | 788 | |
mbed_official | 610:813dcc80987e | 789 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 610:813dcc80987e | 790 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 610:813dcc80987e | 791 | |
mbed_official | 610:813dcc80987e | 792 | /* Set the DMA error callback */ |
mbed_official | 610:813dcc80987e | 793 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 610:813dcc80987e | 794 | |
mbed_official | 610:813dcc80987e | 795 | /* Enable the USART transmit DMA channel */ |
mbed_official | 610:813dcc80987e | 796 | tmp = (uint32_t*)&pTxData; |
mbed_official | 610:813dcc80987e | 797 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 610:813dcc80987e | 798 | |
mbed_official | 610:813dcc80987e | 799 | /* Clear the TC flag in the ICR register */ |
mbed_official | 610:813dcc80987e | 800 | __HAL_USART_CLEAR_FLAG(husart, USART_CLEAR_TCF); |
mbed_official | 610:813dcc80987e | 801 | |
mbed_official | 610:813dcc80987e | 802 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 610:813dcc80987e | 803 | in the USART CR3 register */ |
mbed_official | 610:813dcc80987e | 804 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 610:813dcc80987e | 805 | |
mbed_official | 610:813dcc80987e | 806 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 807 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 808 | |
mbed_official | 610:813dcc80987e | 809 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 810 | } |
mbed_official | 610:813dcc80987e | 811 | else |
mbed_official | 610:813dcc80987e | 812 | { |
mbed_official | 610:813dcc80987e | 813 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 814 | } |
mbed_official | 610:813dcc80987e | 815 | } |
mbed_official | 610:813dcc80987e | 816 | |
mbed_official | 610:813dcc80987e | 817 | /** |
mbed_official | 610:813dcc80987e | 818 | * @brief Receive an amount of data in DMA mode. |
mbed_official | 610:813dcc80987e | 819 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 820 | * @param pRxData: pointer to data buffer. |
mbed_official | 610:813dcc80987e | 821 | * @param Size: amount of data to be received. |
mbed_official | 610:813dcc80987e | 822 | * @note When the USART parity is enabled (PCE = 1), the received data contain |
mbed_official | 610:813dcc80987e | 823 | * the parity bit (MSB position). |
mbed_official | 610:813dcc80987e | 824 | * @note The USART DMA transmit channel must be configured in order to generate the clock for the slave. |
mbed_official | 610:813dcc80987e | 825 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 826 | */ |
mbed_official | 610:813dcc80987e | 827 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 610:813dcc80987e | 828 | { |
mbed_official | 610:813dcc80987e | 829 | uint32_t *tmp; |
mbed_official | 610:813dcc80987e | 830 | |
mbed_official | 610:813dcc80987e | 831 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 832 | { |
mbed_official | 610:813dcc80987e | 833 | if((pRxData == NULL ) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 834 | { |
mbed_official | 610:813dcc80987e | 835 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 836 | } |
mbed_official | 610:813dcc80987e | 837 | |
mbed_official | 610:813dcc80987e | 838 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 839 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 840 | |
mbed_official | 610:813dcc80987e | 841 | husart->pRxBuffPtr = pRxData; |
mbed_official | 610:813dcc80987e | 842 | husart->RxXferSize = Size; |
mbed_official | 610:813dcc80987e | 843 | husart->pTxBuffPtr = pRxData; |
mbed_official | 610:813dcc80987e | 844 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 845 | |
mbed_official | 610:813dcc80987e | 846 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 847 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 610:813dcc80987e | 848 | |
mbed_official | 610:813dcc80987e | 849 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 610:813dcc80987e | 850 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 610:813dcc80987e | 851 | |
mbed_official | 610:813dcc80987e | 852 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 610:813dcc80987e | 853 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 610:813dcc80987e | 854 | |
mbed_official | 610:813dcc80987e | 855 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 610:813dcc80987e | 856 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 610:813dcc80987e | 857 | |
mbed_official | 610:813dcc80987e | 858 | /* Enable the USART receive DMA channel */ |
mbed_official | 610:813dcc80987e | 859 | tmp = (uint32_t*)&pRxData; |
mbed_official | 610:813dcc80987e | 860 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 610:813dcc80987e | 861 | |
mbed_official | 610:813dcc80987e | 862 | /* Enable the USART transmit DMA channel: the transmit channel is used in order |
mbed_official | 610:813dcc80987e | 863 | to generate in the non-blocking mode the clock to the slave device, |
mbed_official | 610:813dcc80987e | 864 | this mode isn't a simplex receive mode but a full-duplex receive mode */ |
mbed_official | 610:813dcc80987e | 865 | tmp = (uint32_t*)&pRxData; |
mbed_official | 610:813dcc80987e | 866 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 610:813dcc80987e | 867 | |
mbed_official | 610:813dcc80987e | 868 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 610:813dcc80987e | 869 | in the USART CR3 register */ |
mbed_official | 610:813dcc80987e | 870 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 610:813dcc80987e | 871 | |
mbed_official | 610:813dcc80987e | 872 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 610:813dcc80987e | 873 | in the USART CR3 register */ |
mbed_official | 610:813dcc80987e | 874 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 610:813dcc80987e | 875 | |
mbed_official | 610:813dcc80987e | 876 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 877 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 878 | |
mbed_official | 610:813dcc80987e | 879 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 880 | } |
mbed_official | 610:813dcc80987e | 881 | else |
mbed_official | 610:813dcc80987e | 882 | { |
mbed_official | 610:813dcc80987e | 883 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 884 | } |
mbed_official | 610:813dcc80987e | 885 | } |
mbed_official | 610:813dcc80987e | 886 | |
mbed_official | 610:813dcc80987e | 887 | /** |
mbed_official | 610:813dcc80987e | 888 | * @brief Full-Duplex Transmit Receive an amount of data in non-blocking mode. |
mbed_official | 610:813dcc80987e | 889 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 890 | * @param pTxData: pointer to TX data buffer. |
mbed_official | 610:813dcc80987e | 891 | * @param pRxData: pointer to RX data buffer. |
mbed_official | 610:813dcc80987e | 892 | * @param Size: amount of data to be received/sent. |
mbed_official | 610:813dcc80987e | 893 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
mbed_official | 610:813dcc80987e | 894 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 895 | */ |
mbed_official | 610:813dcc80987e | 896 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 610:813dcc80987e | 897 | { |
mbed_official | 610:813dcc80987e | 898 | uint32_t *tmp; |
mbed_official | 610:813dcc80987e | 899 | |
mbed_official | 610:813dcc80987e | 900 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 610:813dcc80987e | 901 | { |
mbed_official | 610:813dcc80987e | 902 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
mbed_official | 610:813dcc80987e | 903 | { |
mbed_official | 610:813dcc80987e | 904 | return HAL_ERROR; |
mbed_official | 610:813dcc80987e | 905 | } |
mbed_official | 610:813dcc80987e | 906 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 907 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 908 | |
mbed_official | 610:813dcc80987e | 909 | husart->pRxBuffPtr = pRxData; |
mbed_official | 610:813dcc80987e | 910 | husart->RxXferSize = Size; |
mbed_official | 610:813dcc80987e | 911 | husart->pTxBuffPtr = pTxData; |
mbed_official | 610:813dcc80987e | 912 | husart->TxXferSize = Size; |
mbed_official | 610:813dcc80987e | 913 | |
mbed_official | 610:813dcc80987e | 914 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 915 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 610:813dcc80987e | 916 | |
mbed_official | 610:813dcc80987e | 917 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 610:813dcc80987e | 918 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 610:813dcc80987e | 919 | |
mbed_official | 610:813dcc80987e | 920 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 610:813dcc80987e | 921 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 610:813dcc80987e | 922 | |
mbed_official | 610:813dcc80987e | 923 | /* Set the USART DMA Tx transfer complete callback */ |
mbed_official | 610:813dcc80987e | 924 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 610:813dcc80987e | 925 | |
mbed_official | 610:813dcc80987e | 926 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 610:813dcc80987e | 927 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 610:813dcc80987e | 928 | |
mbed_official | 610:813dcc80987e | 929 | /* Set the USART DMA Tx transfer error callback */ |
mbed_official | 610:813dcc80987e | 930 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 610:813dcc80987e | 931 | |
mbed_official | 610:813dcc80987e | 932 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 610:813dcc80987e | 933 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 610:813dcc80987e | 934 | |
mbed_official | 610:813dcc80987e | 935 | /* Enable the USART receive DMA channel */ |
mbed_official | 610:813dcc80987e | 936 | tmp = (uint32_t*)&pRxData; |
mbed_official | 610:813dcc80987e | 937 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 610:813dcc80987e | 938 | |
mbed_official | 610:813dcc80987e | 939 | /* Enable the USART transmit DMA channel */ |
mbed_official | 610:813dcc80987e | 940 | tmp = (uint32_t*)&pTxData; |
mbed_official | 610:813dcc80987e | 941 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 610:813dcc80987e | 942 | |
mbed_official | 610:813dcc80987e | 943 | /* Clear the TC flag in the ICR register */ |
mbed_official | 610:813dcc80987e | 944 | __HAL_USART_CLEAR_FLAG(husart, USART_CLEAR_TCF); |
mbed_official | 610:813dcc80987e | 945 | |
mbed_official | 610:813dcc80987e | 946 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 610:813dcc80987e | 947 | in the USART CR3 register */ |
mbed_official | 610:813dcc80987e | 948 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 610:813dcc80987e | 949 | |
mbed_official | 610:813dcc80987e | 950 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 610:813dcc80987e | 951 | in the USART CR3 register */ |
mbed_official | 610:813dcc80987e | 952 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 610:813dcc80987e | 953 | |
mbed_official | 610:813dcc80987e | 954 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 955 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 956 | |
mbed_official | 610:813dcc80987e | 957 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 958 | } |
mbed_official | 610:813dcc80987e | 959 | else |
mbed_official | 610:813dcc80987e | 960 | { |
mbed_official | 610:813dcc80987e | 961 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 962 | } |
mbed_official | 610:813dcc80987e | 963 | } |
mbed_official | 610:813dcc80987e | 964 | |
mbed_official | 610:813dcc80987e | 965 | /** |
mbed_official | 610:813dcc80987e | 966 | * @brief Pause the DMA Transfer. |
mbed_official | 610:813dcc80987e | 967 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 968 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 969 | */ |
mbed_official | 610:813dcc80987e | 970 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 971 | { |
mbed_official | 610:813dcc80987e | 972 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 973 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 974 | |
mbed_official | 610:813dcc80987e | 975 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 610:813dcc80987e | 976 | { |
mbed_official | 610:813dcc80987e | 977 | /* Disable the USART DMA Tx request */ |
mbed_official | 610:813dcc80987e | 978 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 610:813dcc80987e | 979 | } |
mbed_official | 610:813dcc80987e | 980 | else if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 610:813dcc80987e | 981 | { |
mbed_official | 610:813dcc80987e | 982 | /* Disable the USART DMA Rx request */ |
mbed_official | 610:813dcc80987e | 983 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 610:813dcc80987e | 984 | } |
mbed_official | 610:813dcc80987e | 985 | else if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 610:813dcc80987e | 986 | { |
mbed_official | 610:813dcc80987e | 987 | /* Disable the USART DMA Tx request */ |
mbed_official | 610:813dcc80987e | 988 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 610:813dcc80987e | 989 | /* Disable the USART DMA Rx request */ |
mbed_official | 610:813dcc80987e | 990 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 610:813dcc80987e | 991 | } |
mbed_official | 610:813dcc80987e | 992 | |
mbed_official | 610:813dcc80987e | 993 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 994 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 995 | |
mbed_official | 610:813dcc80987e | 996 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 997 | } |
mbed_official | 610:813dcc80987e | 998 | |
mbed_official | 610:813dcc80987e | 999 | /** |
mbed_official | 610:813dcc80987e | 1000 | * @brief Resume the DMA Transfer. |
mbed_official | 610:813dcc80987e | 1001 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1002 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1003 | */ |
mbed_official | 610:813dcc80987e | 1004 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1005 | { |
mbed_official | 610:813dcc80987e | 1006 | /* Process Locked */ |
mbed_official | 610:813dcc80987e | 1007 | __HAL_LOCK(husart); |
mbed_official | 610:813dcc80987e | 1008 | |
mbed_official | 610:813dcc80987e | 1009 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 610:813dcc80987e | 1010 | { |
mbed_official | 610:813dcc80987e | 1011 | /* Enable the USART DMA Tx request */ |
mbed_official | 610:813dcc80987e | 1012 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 610:813dcc80987e | 1013 | } |
mbed_official | 610:813dcc80987e | 1014 | else if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 610:813dcc80987e | 1015 | { |
mbed_official | 610:813dcc80987e | 1016 | /* Clear the Overrun flag before resuming the Rx transfer*/ |
mbed_official | 610:813dcc80987e | 1017 | __HAL_USART_CLEAR_FLAG(husart, USART_CLEAR_OREF); |
mbed_official | 610:813dcc80987e | 1018 | |
mbed_official | 610:813dcc80987e | 1019 | /* Enable the USART DMA Rx request */ |
mbed_official | 610:813dcc80987e | 1020 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 610:813dcc80987e | 1021 | } |
mbed_official | 610:813dcc80987e | 1022 | else if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 610:813dcc80987e | 1023 | { |
mbed_official | 610:813dcc80987e | 1024 | /* Clear the Overrun flag before resuming the Rx transfer*/ |
mbed_official | 610:813dcc80987e | 1025 | __HAL_USART_CLEAR_FLAG(husart, USART_CLEAR_OREF); |
mbed_official | 610:813dcc80987e | 1026 | |
mbed_official | 610:813dcc80987e | 1027 | /* Enable the USART DMA Rx request before the DMA Tx request */ |
mbed_official | 610:813dcc80987e | 1028 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 610:813dcc80987e | 1029 | |
mbed_official | 610:813dcc80987e | 1030 | /* Enable the USART DMA Tx request */ |
mbed_official | 610:813dcc80987e | 1031 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 610:813dcc80987e | 1032 | } |
mbed_official | 610:813dcc80987e | 1033 | |
mbed_official | 610:813dcc80987e | 1034 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 1035 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 1036 | |
mbed_official | 610:813dcc80987e | 1037 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1038 | } |
mbed_official | 610:813dcc80987e | 1039 | |
mbed_official | 610:813dcc80987e | 1040 | /** |
mbed_official | 610:813dcc80987e | 1041 | * @brief Stop the DMA Transfer. |
mbed_official | 610:813dcc80987e | 1042 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1043 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1044 | */ |
mbed_official | 610:813dcc80987e | 1045 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1046 | { |
mbed_official | 610:813dcc80987e | 1047 | /* The Lock is not implemented on this API to allow the user application |
mbed_official | 610:813dcc80987e | 1048 | to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback() / |
mbed_official | 610:813dcc80987e | 1049 | HAL_USART_TxHalfCpltCallback / HAL_USART_RxHalfCpltCallback: |
mbed_official | 610:813dcc80987e | 1050 | indeed, when HAL_DMA_Abort() API is called, the DMA TX/RX Transfer or Half Transfer complete |
mbed_official | 610:813dcc80987e | 1051 | interrupt is generated if the DMA transfer interruption occurs at the middle or at the end of |
mbed_official | 610:813dcc80987e | 1052 | the stream and the corresponding call back is executed. */ |
mbed_official | 610:813dcc80987e | 1053 | |
mbed_official | 610:813dcc80987e | 1054 | /* Disable the USART Tx/Rx DMA requests */ |
mbed_official | 610:813dcc80987e | 1055 | husart->Instance->CR3 &= ~USART_CR3_DMAT; |
mbed_official | 610:813dcc80987e | 1056 | husart->Instance->CR3 &= ~USART_CR3_DMAR; |
mbed_official | 610:813dcc80987e | 1057 | |
mbed_official | 610:813dcc80987e | 1058 | /* Abort the USART DMA tx channel */ |
mbed_official | 610:813dcc80987e | 1059 | if(husart->hdmatx != NULL) |
mbed_official | 610:813dcc80987e | 1060 | { |
mbed_official | 610:813dcc80987e | 1061 | HAL_DMA_Abort(husart->hdmatx); |
mbed_official | 610:813dcc80987e | 1062 | } |
mbed_official | 610:813dcc80987e | 1063 | /* Abort the USART DMA rx channel */ |
mbed_official | 610:813dcc80987e | 1064 | if(husart->hdmarx != NULL) |
mbed_official | 610:813dcc80987e | 1065 | { |
mbed_official | 610:813dcc80987e | 1066 | HAL_DMA_Abort(husart->hdmarx); |
mbed_official | 610:813dcc80987e | 1067 | } |
mbed_official | 610:813dcc80987e | 1068 | |
mbed_official | 610:813dcc80987e | 1069 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1070 | |
mbed_official | 610:813dcc80987e | 1071 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1072 | } |
mbed_official | 610:813dcc80987e | 1073 | |
mbed_official | 610:813dcc80987e | 1074 | /** |
mbed_official | 610:813dcc80987e | 1075 | * @brief Handle USART interrupt request. |
mbed_official | 610:813dcc80987e | 1076 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1077 | * @retval None |
mbed_official | 610:813dcc80987e | 1078 | */ |
mbed_official | 610:813dcc80987e | 1079 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1080 | { |
mbed_official | 610:813dcc80987e | 1081 | |
mbed_official | 610:813dcc80987e | 1082 | /* USART parity error interrupt occurred ------------------------------------*/ |
mbed_official | 610:813dcc80987e | 1083 | if((__HAL_USART_GET_IT(husart, USART_IT_PE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE) != RESET)) |
mbed_official | 610:813dcc80987e | 1084 | { |
mbed_official | 610:813dcc80987e | 1085 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_PEF); |
mbed_official | 610:813dcc80987e | 1086 | husart->ErrorCode |= HAL_USART_ERROR_PE; |
mbed_official | 610:813dcc80987e | 1087 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 610:813dcc80987e | 1088 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1089 | } |
mbed_official | 610:813dcc80987e | 1090 | |
mbed_official | 610:813dcc80987e | 1091 | /* USART frame error interrupt occurred -------------------------------------*/ |
mbed_official | 610:813dcc80987e | 1092 | if((__HAL_USART_GET_IT(husart, USART_IT_FE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 610:813dcc80987e | 1093 | { |
mbed_official | 610:813dcc80987e | 1094 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_FEF); |
mbed_official | 610:813dcc80987e | 1095 | husart->ErrorCode |= HAL_USART_ERROR_FE; |
mbed_official | 610:813dcc80987e | 1096 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 610:813dcc80987e | 1097 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1098 | } |
mbed_official | 610:813dcc80987e | 1099 | |
mbed_official | 610:813dcc80987e | 1100 | /* USART noise error interrupt occurred -------------------------------------*/ |
mbed_official | 610:813dcc80987e | 1101 | if((__HAL_USART_GET_IT(husart, USART_IT_NE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 610:813dcc80987e | 1102 | { |
mbed_official | 610:813dcc80987e | 1103 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_NEF); |
mbed_official | 610:813dcc80987e | 1104 | husart->ErrorCode |= HAL_USART_ERROR_NE; |
mbed_official | 610:813dcc80987e | 1105 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 610:813dcc80987e | 1106 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1107 | } |
mbed_official | 610:813dcc80987e | 1108 | |
mbed_official | 610:813dcc80987e | 1109 | /* USART Over-Run interrupt occurred ----------------------------------------*/ |
mbed_official | 610:813dcc80987e | 1110 | if((__HAL_USART_GET_IT(husart, USART_IT_ORE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 610:813dcc80987e | 1111 | { |
mbed_official | 610:813dcc80987e | 1112 | __HAL_USART_CLEAR_IT(husart, USART_CLEAR_OREF); |
mbed_official | 610:813dcc80987e | 1113 | husart->ErrorCode |= HAL_USART_ERROR_ORE; |
mbed_official | 610:813dcc80987e | 1114 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 610:813dcc80987e | 1115 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1116 | } |
mbed_official | 610:813dcc80987e | 1117 | |
mbed_official | 610:813dcc80987e | 1118 | /* Call USART Error Call back function if need be --------------------------*/ |
mbed_official | 610:813dcc80987e | 1119 | if(husart->ErrorCode != HAL_USART_ERROR_NONE) |
mbed_official | 610:813dcc80987e | 1120 | { |
mbed_official | 610:813dcc80987e | 1121 | HAL_USART_ErrorCallback(husart); |
mbed_official | 610:813dcc80987e | 1122 | } |
mbed_official | 610:813dcc80987e | 1123 | |
mbed_official | 610:813dcc80987e | 1124 | /* USART in mode Receiver --------------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 1125 | if((__HAL_USART_GET_IT(husart, USART_IT_RXNE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE) != RESET)) |
mbed_official | 610:813dcc80987e | 1126 | { |
mbed_official | 610:813dcc80987e | 1127 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 610:813dcc80987e | 1128 | { |
mbed_official | 610:813dcc80987e | 1129 | USART_Receive_IT(husart); |
mbed_official | 610:813dcc80987e | 1130 | } |
mbed_official | 610:813dcc80987e | 1131 | else |
mbed_official | 610:813dcc80987e | 1132 | { |
mbed_official | 610:813dcc80987e | 1133 | USART_TransmitReceive_IT(husart); |
mbed_official | 610:813dcc80987e | 1134 | } |
mbed_official | 610:813dcc80987e | 1135 | } |
mbed_official | 610:813dcc80987e | 1136 | |
mbed_official | 610:813dcc80987e | 1137 | /* USART in mode Transmitter -----------------------------------------------*/ |
mbed_official | 610:813dcc80987e | 1138 | if((__HAL_USART_GET_IT(husart, USART_IT_TXE) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE) != RESET)) |
mbed_official | 610:813dcc80987e | 1139 | { |
mbed_official | 610:813dcc80987e | 1140 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 610:813dcc80987e | 1141 | { |
mbed_official | 610:813dcc80987e | 1142 | USART_Transmit_IT(husart); |
mbed_official | 610:813dcc80987e | 1143 | } |
mbed_official | 610:813dcc80987e | 1144 | else |
mbed_official | 610:813dcc80987e | 1145 | { |
mbed_official | 610:813dcc80987e | 1146 | USART_TransmitReceive_IT(husart); |
mbed_official | 610:813dcc80987e | 1147 | } |
mbed_official | 610:813dcc80987e | 1148 | } |
mbed_official | 610:813dcc80987e | 1149 | |
mbed_official | 610:813dcc80987e | 1150 | /* USART in mode Transmitter (transmission end) -----------------------------*/ |
mbed_official | 610:813dcc80987e | 1151 | if((__HAL_USART_GET_IT(husart, USART_IT_TC) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC) != RESET)) |
mbed_official | 610:813dcc80987e | 1152 | { |
mbed_official | 610:813dcc80987e | 1153 | USART_EndTransmit_IT(husart); |
mbed_official | 610:813dcc80987e | 1154 | } |
mbed_official | 610:813dcc80987e | 1155 | |
mbed_official | 610:813dcc80987e | 1156 | } |
mbed_official | 610:813dcc80987e | 1157 | |
mbed_official | 610:813dcc80987e | 1158 | /** |
mbed_official | 610:813dcc80987e | 1159 | * @brief Tx Transfer completed callback. |
mbed_official | 610:813dcc80987e | 1160 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1161 | * @retval None |
mbed_official | 610:813dcc80987e | 1162 | */ |
mbed_official | 610:813dcc80987e | 1163 | __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1164 | { |
mbed_official | 610:813dcc80987e | 1165 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 1166 | the HAL_USART_TxCpltCallback can be implemented in the user file. |
mbed_official | 610:813dcc80987e | 1167 | */ |
mbed_official | 610:813dcc80987e | 1168 | } |
mbed_official | 610:813dcc80987e | 1169 | |
mbed_official | 610:813dcc80987e | 1170 | /** |
mbed_official | 610:813dcc80987e | 1171 | * @brief Tx Half Transfer completed callback. |
mbed_official | 610:813dcc80987e | 1172 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1173 | * @retval None |
mbed_official | 610:813dcc80987e | 1174 | */ |
mbed_official | 610:813dcc80987e | 1175 | __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1176 | { |
mbed_official | 610:813dcc80987e | 1177 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 1178 | the HAL_USART_TxHalfCpltCallback can be implemented in the user file. |
mbed_official | 610:813dcc80987e | 1179 | */ |
mbed_official | 610:813dcc80987e | 1180 | } |
mbed_official | 610:813dcc80987e | 1181 | |
mbed_official | 610:813dcc80987e | 1182 | /** |
mbed_official | 610:813dcc80987e | 1183 | * @brief Rx Transfer completed callback. |
mbed_official | 610:813dcc80987e | 1184 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1185 | * @retval None |
mbed_official | 610:813dcc80987e | 1186 | */ |
mbed_official | 610:813dcc80987e | 1187 | __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1188 | { |
mbed_official | 610:813dcc80987e | 1189 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 1190 | the HAL_USART_RxCpltCallback can be implemented in the user file. |
mbed_official | 610:813dcc80987e | 1191 | */ |
mbed_official | 610:813dcc80987e | 1192 | } |
mbed_official | 610:813dcc80987e | 1193 | |
mbed_official | 610:813dcc80987e | 1194 | /** |
mbed_official | 610:813dcc80987e | 1195 | * @brief Rx Half Transfer completed callback. |
mbed_official | 610:813dcc80987e | 1196 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1197 | * @retval None |
mbed_official | 610:813dcc80987e | 1198 | */ |
mbed_official | 610:813dcc80987e | 1199 | __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1200 | { |
mbed_official | 610:813dcc80987e | 1201 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 1202 | the HAL_USART_RxHalfCpltCallback can be implemented in the user file |
mbed_official | 610:813dcc80987e | 1203 | */ |
mbed_official | 610:813dcc80987e | 1204 | } |
mbed_official | 610:813dcc80987e | 1205 | |
mbed_official | 610:813dcc80987e | 1206 | /** |
mbed_official | 610:813dcc80987e | 1207 | * @brief Tx/Rx Transfers completed callback for the non-blocking process. |
mbed_official | 610:813dcc80987e | 1208 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1209 | * @retval None |
mbed_official | 610:813dcc80987e | 1210 | */ |
mbed_official | 610:813dcc80987e | 1211 | __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1212 | { |
mbed_official | 610:813dcc80987e | 1213 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 1214 | the HAL_USART_TxRxCpltCallback can be implemented in the user file |
mbed_official | 610:813dcc80987e | 1215 | */ |
mbed_official | 610:813dcc80987e | 1216 | } |
mbed_official | 610:813dcc80987e | 1217 | |
mbed_official | 610:813dcc80987e | 1218 | /** |
mbed_official | 610:813dcc80987e | 1219 | * @brief USART error callback. |
mbed_official | 610:813dcc80987e | 1220 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1221 | * @retval None |
mbed_official | 610:813dcc80987e | 1222 | */ |
mbed_official | 610:813dcc80987e | 1223 | __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1224 | { |
mbed_official | 610:813dcc80987e | 1225 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 610:813dcc80987e | 1226 | the HAL_USART_ErrorCallback can be implemented in the user file. |
mbed_official | 610:813dcc80987e | 1227 | */ |
mbed_official | 610:813dcc80987e | 1228 | } |
mbed_official | 610:813dcc80987e | 1229 | |
mbed_official | 610:813dcc80987e | 1230 | /** |
mbed_official | 610:813dcc80987e | 1231 | * @} |
mbed_official | 610:813dcc80987e | 1232 | */ |
mbed_official | 610:813dcc80987e | 1233 | |
mbed_official | 610:813dcc80987e | 1234 | /** @defgroup USART_Exported_Functions_Group4 Peripheral State and Error functions |
mbed_official | 610:813dcc80987e | 1235 | * @brief USART Peripheral State and Error functions |
mbed_official | 610:813dcc80987e | 1236 | * |
mbed_official | 610:813dcc80987e | 1237 | @verbatim |
mbed_official | 610:813dcc80987e | 1238 | ============================================================================== |
mbed_official | 610:813dcc80987e | 1239 | ##### Peripheral State and Error functions ##### |
mbed_official | 610:813dcc80987e | 1240 | ============================================================================== |
mbed_official | 610:813dcc80987e | 1241 | [..] |
mbed_official | 610:813dcc80987e | 1242 | This subsection provides functions allowing to : |
mbed_official | 610:813dcc80987e | 1243 | (+) Return the USART handle state |
mbed_official | 610:813dcc80987e | 1244 | (+) Return the USART handle error code |
mbed_official | 610:813dcc80987e | 1245 | |
mbed_official | 610:813dcc80987e | 1246 | @endverbatim |
mbed_official | 610:813dcc80987e | 1247 | * @{ |
mbed_official | 610:813dcc80987e | 1248 | */ |
mbed_official | 610:813dcc80987e | 1249 | |
mbed_official | 610:813dcc80987e | 1250 | |
mbed_official | 610:813dcc80987e | 1251 | /** |
mbed_official | 610:813dcc80987e | 1252 | * @brief Return the USART handle state. |
mbed_official | 610:813dcc80987e | 1253 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 610:813dcc80987e | 1254 | * the configuration information for the specified USART. |
mbed_official | 610:813dcc80987e | 1255 | * @retval USART handle state |
mbed_official | 610:813dcc80987e | 1256 | */ |
mbed_official | 610:813dcc80987e | 1257 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1258 | { |
mbed_official | 610:813dcc80987e | 1259 | return husart->State; |
mbed_official | 610:813dcc80987e | 1260 | } |
mbed_official | 610:813dcc80987e | 1261 | |
mbed_official | 610:813dcc80987e | 1262 | /** |
mbed_official | 610:813dcc80987e | 1263 | * @brief Return the USART error code. |
mbed_official | 610:813dcc80987e | 1264 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 610:813dcc80987e | 1265 | * the configuration information for the specified USART. |
mbed_official | 610:813dcc80987e | 1266 | * @retval USART handle Error Code |
mbed_official | 610:813dcc80987e | 1267 | */ |
mbed_official | 610:813dcc80987e | 1268 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1269 | { |
mbed_official | 610:813dcc80987e | 1270 | return husart->ErrorCode; |
mbed_official | 610:813dcc80987e | 1271 | } |
mbed_official | 610:813dcc80987e | 1272 | |
mbed_official | 610:813dcc80987e | 1273 | /** |
mbed_official | 610:813dcc80987e | 1274 | * @} |
mbed_official | 610:813dcc80987e | 1275 | */ |
mbed_official | 610:813dcc80987e | 1276 | |
mbed_official | 610:813dcc80987e | 1277 | /** |
mbed_official | 610:813dcc80987e | 1278 | * @} |
mbed_official | 610:813dcc80987e | 1279 | */ |
mbed_official | 610:813dcc80987e | 1280 | |
mbed_official | 610:813dcc80987e | 1281 | /** @defgroup USART_Private_Functions USART Private Functions |
mbed_official | 610:813dcc80987e | 1282 | * @{ |
mbed_official | 610:813dcc80987e | 1283 | */ |
mbed_official | 610:813dcc80987e | 1284 | |
mbed_official | 610:813dcc80987e | 1285 | /** |
mbed_official | 610:813dcc80987e | 1286 | * @brief DMA USART transmit process complete callback. |
mbed_official | 610:813dcc80987e | 1287 | * @param hdma: DMA handle. |
mbed_official | 610:813dcc80987e | 1288 | * @retval None |
mbed_official | 610:813dcc80987e | 1289 | */ |
mbed_official | 610:813dcc80987e | 1290 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 610:813dcc80987e | 1291 | { |
mbed_official | 610:813dcc80987e | 1292 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 610:813dcc80987e | 1293 | |
mbed_official | 610:813dcc80987e | 1294 | /* DMA Normal mode */ |
mbed_official | 610:813dcc80987e | 1295 | if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) ) |
mbed_official | 610:813dcc80987e | 1296 | { |
mbed_official | 610:813dcc80987e | 1297 | husart->TxXferCount = 0; |
mbed_official | 610:813dcc80987e | 1298 | |
mbed_official | 610:813dcc80987e | 1299 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 610:813dcc80987e | 1300 | { |
mbed_official | 610:813dcc80987e | 1301 | /* Disable the DMA transfer for transmit request by resetting the DMAT bit |
mbed_official | 610:813dcc80987e | 1302 | in the USART CR3 register */ |
mbed_official | 610:813dcc80987e | 1303 | husart->Instance->CR3 &= ~(USART_CR3_DMAT); |
mbed_official | 610:813dcc80987e | 1304 | |
mbed_official | 610:813dcc80987e | 1305 | /* Enable the USART Transmit Complete Interrupt */ |
mbed_official | 610:813dcc80987e | 1306 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
mbed_official | 610:813dcc80987e | 1307 | } |
mbed_official | 610:813dcc80987e | 1308 | } |
mbed_official | 610:813dcc80987e | 1309 | /* DMA Circular mode */ |
mbed_official | 610:813dcc80987e | 1310 | else |
mbed_official | 610:813dcc80987e | 1311 | { |
mbed_official | 610:813dcc80987e | 1312 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 610:813dcc80987e | 1313 | { |
mbed_official | 610:813dcc80987e | 1314 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1315 | } |
mbed_official | 610:813dcc80987e | 1316 | } |
mbed_official | 610:813dcc80987e | 1317 | } |
mbed_official | 610:813dcc80987e | 1318 | |
mbed_official | 610:813dcc80987e | 1319 | |
mbed_official | 610:813dcc80987e | 1320 | /** |
mbed_official | 610:813dcc80987e | 1321 | * @brief DMA USART transmit process half complete callback. |
mbed_official | 610:813dcc80987e | 1322 | * @param hdma : DMA handle. |
mbed_official | 610:813dcc80987e | 1323 | * @retval None |
mbed_official | 610:813dcc80987e | 1324 | */ |
mbed_official | 610:813dcc80987e | 1325 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 610:813dcc80987e | 1326 | { |
mbed_official | 610:813dcc80987e | 1327 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 610:813dcc80987e | 1328 | |
mbed_official | 610:813dcc80987e | 1329 | HAL_USART_TxHalfCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1330 | } |
mbed_official | 610:813dcc80987e | 1331 | |
mbed_official | 610:813dcc80987e | 1332 | /** |
mbed_official | 610:813dcc80987e | 1333 | * @brief DMA USART receive process complete callback. |
mbed_official | 610:813dcc80987e | 1334 | * @param hdma: DMA handle. |
mbed_official | 610:813dcc80987e | 1335 | * @retval None |
mbed_official | 610:813dcc80987e | 1336 | */ |
mbed_official | 610:813dcc80987e | 1337 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 610:813dcc80987e | 1338 | { |
mbed_official | 610:813dcc80987e | 1339 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 610:813dcc80987e | 1340 | |
mbed_official | 610:813dcc80987e | 1341 | /* DMA Normal mode */ |
mbed_official | 610:813dcc80987e | 1342 | if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) ) |
mbed_official | 610:813dcc80987e | 1343 | { |
mbed_official | 610:813dcc80987e | 1344 | husart->RxXferCount = 0; |
mbed_official | 610:813dcc80987e | 1345 | |
mbed_official | 610:813dcc80987e | 1346 | /* Disable the DMA RX transfer for the receiver request by resetting the DMAR bit |
mbed_official | 610:813dcc80987e | 1347 | in USART CR3 register */ |
mbed_official | 610:813dcc80987e | 1348 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR); |
mbed_official | 610:813dcc80987e | 1349 | /* similarly, disable the DMA TX transfer that was started to provide the |
mbed_official | 610:813dcc80987e | 1350 | clock to the slave device */ |
mbed_official | 610:813dcc80987e | 1351 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT); |
mbed_official | 610:813dcc80987e | 1352 | |
mbed_official | 610:813dcc80987e | 1353 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 610:813dcc80987e | 1354 | { |
mbed_official | 610:813dcc80987e | 1355 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1356 | } |
mbed_official | 610:813dcc80987e | 1357 | /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ |
mbed_official | 610:813dcc80987e | 1358 | else |
mbed_official | 610:813dcc80987e | 1359 | { |
mbed_official | 610:813dcc80987e | 1360 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1361 | } |
mbed_official | 610:813dcc80987e | 1362 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1363 | } |
mbed_official | 610:813dcc80987e | 1364 | /* DMA circular mode */ |
mbed_official | 610:813dcc80987e | 1365 | else |
mbed_official | 610:813dcc80987e | 1366 | { |
mbed_official | 610:813dcc80987e | 1367 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 610:813dcc80987e | 1368 | { |
mbed_official | 610:813dcc80987e | 1369 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1370 | } |
mbed_official | 610:813dcc80987e | 1371 | /* The USART state is HAL_USART_STATE_BUSY_TX_RX */ |
mbed_official | 610:813dcc80987e | 1372 | else |
mbed_official | 610:813dcc80987e | 1373 | { |
mbed_official | 610:813dcc80987e | 1374 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1375 | } |
mbed_official | 610:813dcc80987e | 1376 | } |
mbed_official | 610:813dcc80987e | 1377 | |
mbed_official | 610:813dcc80987e | 1378 | } |
mbed_official | 610:813dcc80987e | 1379 | |
mbed_official | 610:813dcc80987e | 1380 | /** |
mbed_official | 610:813dcc80987e | 1381 | * @brief DMA USART receive process half complete callback. |
mbed_official | 610:813dcc80987e | 1382 | * @param hdma : DMA handle. |
mbed_official | 610:813dcc80987e | 1383 | * @retval None |
mbed_official | 610:813dcc80987e | 1384 | */ |
mbed_official | 610:813dcc80987e | 1385 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 610:813dcc80987e | 1386 | { |
mbed_official | 610:813dcc80987e | 1387 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 610:813dcc80987e | 1388 | |
mbed_official | 610:813dcc80987e | 1389 | HAL_USART_RxHalfCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1390 | } |
mbed_official | 610:813dcc80987e | 1391 | |
mbed_official | 610:813dcc80987e | 1392 | /** |
mbed_official | 610:813dcc80987e | 1393 | * @brief DMA USART communication error callback. |
mbed_official | 610:813dcc80987e | 1394 | * @param hdma: DMA handle. |
mbed_official | 610:813dcc80987e | 1395 | * @retval None |
mbed_official | 610:813dcc80987e | 1396 | */ |
mbed_official | 610:813dcc80987e | 1397 | static void USART_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 610:813dcc80987e | 1398 | { |
mbed_official | 610:813dcc80987e | 1399 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 610:813dcc80987e | 1400 | |
mbed_official | 610:813dcc80987e | 1401 | husart->RxXferCount = 0; |
mbed_official | 610:813dcc80987e | 1402 | husart->TxXferCount = 0; |
mbed_official | 610:813dcc80987e | 1403 | husart->ErrorCode |= HAL_USART_ERROR_DMA; |
mbed_official | 610:813dcc80987e | 1404 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1405 | |
mbed_official | 610:813dcc80987e | 1406 | HAL_USART_ErrorCallback(husart); |
mbed_official | 610:813dcc80987e | 1407 | } |
mbed_official | 610:813dcc80987e | 1408 | |
mbed_official | 610:813dcc80987e | 1409 | /** |
mbed_official | 610:813dcc80987e | 1410 | * @brief Handle USART Communication Timeout. |
mbed_official | 610:813dcc80987e | 1411 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1412 | * @param Flag: specifies the USART flag to check. |
mbed_official | 610:813dcc80987e | 1413 | * @param Status: the Flag status (SET or RESET). |
mbed_official | 610:813dcc80987e | 1414 | * @param Timeout: timeout duration. |
mbed_official | 610:813dcc80987e | 1415 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1416 | */ |
mbed_official | 610:813dcc80987e | 1417 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 610:813dcc80987e | 1418 | { |
mbed_official | 610:813dcc80987e | 1419 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 610:813dcc80987e | 1420 | |
mbed_official | 610:813dcc80987e | 1421 | /* Wait until flag is set */ |
mbed_official | 610:813dcc80987e | 1422 | if(Status == RESET) |
mbed_official | 610:813dcc80987e | 1423 | { |
mbed_official | 610:813dcc80987e | 1424 | while(__HAL_USART_GET_FLAG(husart, Flag) == RESET) |
mbed_official | 610:813dcc80987e | 1425 | { |
mbed_official | 610:813dcc80987e | 1426 | /* Check for the Timeout */ |
mbed_official | 610:813dcc80987e | 1427 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 610:813dcc80987e | 1428 | { |
mbed_official | 610:813dcc80987e | 1429 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 610:813dcc80987e | 1430 | { |
mbed_official | 610:813dcc80987e | 1431 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 610:813dcc80987e | 1432 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 610:813dcc80987e | 1433 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 610:813dcc80987e | 1434 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 610:813dcc80987e | 1435 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 1436 | |
mbed_official | 610:813dcc80987e | 1437 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1438 | |
mbed_official | 610:813dcc80987e | 1439 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 1440 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 1441 | |
mbed_official | 610:813dcc80987e | 1442 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 1443 | } |
mbed_official | 610:813dcc80987e | 1444 | } |
mbed_official | 610:813dcc80987e | 1445 | } |
mbed_official | 610:813dcc80987e | 1446 | } |
mbed_official | 610:813dcc80987e | 1447 | else |
mbed_official | 610:813dcc80987e | 1448 | { |
mbed_official | 610:813dcc80987e | 1449 | while(__HAL_USART_GET_FLAG(husart, Flag) != RESET) |
mbed_official | 610:813dcc80987e | 1450 | { |
mbed_official | 610:813dcc80987e | 1451 | /* Check for the Timeout */ |
mbed_official | 610:813dcc80987e | 1452 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 610:813dcc80987e | 1453 | { |
mbed_official | 610:813dcc80987e | 1454 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 610:813dcc80987e | 1455 | { |
mbed_official | 610:813dcc80987e | 1456 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 610:813dcc80987e | 1457 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 610:813dcc80987e | 1458 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 610:813dcc80987e | 1459 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 610:813dcc80987e | 1460 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 1461 | |
mbed_official | 610:813dcc80987e | 1462 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1463 | |
mbed_official | 610:813dcc80987e | 1464 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 1465 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 1466 | |
mbed_official | 610:813dcc80987e | 1467 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 1468 | } |
mbed_official | 610:813dcc80987e | 1469 | } |
mbed_official | 610:813dcc80987e | 1470 | } |
mbed_official | 610:813dcc80987e | 1471 | } |
mbed_official | 610:813dcc80987e | 1472 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1473 | } |
mbed_official | 610:813dcc80987e | 1474 | |
mbed_official | 610:813dcc80987e | 1475 | /** |
mbed_official | 610:813dcc80987e | 1476 | * @brief Configure the USART peripheral. |
mbed_official | 610:813dcc80987e | 1477 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1478 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1479 | */ |
mbed_official | 610:813dcc80987e | 1480 | static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1481 | { |
mbed_official | 610:813dcc80987e | 1482 | uint32_t tmpreg = 0x0; |
mbed_official | 610:813dcc80987e | 1483 | USART_ClockSourceTypeDef clocksource = USART_CLOCKSOURCE_UNDEFINED; |
mbed_official | 610:813dcc80987e | 1484 | HAL_StatusTypeDef ret = HAL_OK; |
mbed_official | 610:813dcc80987e | 1485 | uint16_t brrtemp = 0x0000; |
mbed_official | 610:813dcc80987e | 1486 | uint16_t usartdiv = 0x0000; |
mbed_official | 610:813dcc80987e | 1487 | |
mbed_official | 610:813dcc80987e | 1488 | /* Check the parameters */ |
mbed_official | 610:813dcc80987e | 1489 | assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); |
mbed_official | 610:813dcc80987e | 1490 | assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); |
mbed_official | 610:813dcc80987e | 1491 | assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); |
mbed_official | 610:813dcc80987e | 1492 | assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); |
mbed_official | 610:813dcc80987e | 1493 | assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); |
mbed_official | 610:813dcc80987e | 1494 | assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); |
mbed_official | 610:813dcc80987e | 1495 | assert_param(IS_USART_PARITY(husart->Init.Parity)); |
mbed_official | 610:813dcc80987e | 1496 | assert_param(IS_USART_MODE(husart->Init.Mode)); |
mbed_official | 610:813dcc80987e | 1497 | |
mbed_official | 610:813dcc80987e | 1498 | |
mbed_official | 610:813dcc80987e | 1499 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
mbed_official | 610:813dcc80987e | 1500 | /* Clear M, PCE, PS, TE and RE bits and configure |
mbed_official | 610:813dcc80987e | 1501 | * the USART Word Length, Parity and Mode: |
mbed_official | 610:813dcc80987e | 1502 | * set the M bits according to husart->Init.WordLength value |
mbed_official | 610:813dcc80987e | 1503 | * set PCE and PS bits according to husart->Init.Parity value |
mbed_official | 610:813dcc80987e | 1504 | * set TE and RE bits according to husart->Init.Mode value |
mbed_official | 610:813dcc80987e | 1505 | * force OVER8 to 1 to allow to reach the maximum speed (Fclock/8) */ |
mbed_official | 610:813dcc80987e | 1506 | tmpreg = (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode | USART_CR1_OVER8; |
mbed_official | 610:813dcc80987e | 1507 | MODIFY_REG(husart->Instance->CR1, USART_CR1_FIELDS, tmpreg); |
mbed_official | 610:813dcc80987e | 1508 | |
mbed_official | 610:813dcc80987e | 1509 | /*---------------------------- USART CR2 Configuration ---------------------*/ |
mbed_official | 610:813dcc80987e | 1510 | /* Clear and configure the USART Clock, CPOL, CPHA, LBCL and STOP bits: |
mbed_official | 610:813dcc80987e | 1511 | * set CPOL bit according to husart->Init.CLKPolarity value |
mbed_official | 610:813dcc80987e | 1512 | * set CPHA bit according to husart->Init.CLKPhase value |
mbed_official | 610:813dcc80987e | 1513 | * set LBCL bit according to husart->Init.CLKLastBit value |
mbed_official | 610:813dcc80987e | 1514 | * set STOP[13:12] bits according to husart->Init.StopBits value */ |
mbed_official | 610:813dcc80987e | 1515 | tmpreg = (uint32_t)(USART_CLOCK_ENABLE); |
mbed_official | 610:813dcc80987e | 1516 | tmpreg |= ((uint32_t)husart->Init.CLKPolarity | (uint32_t)husart->Init.CLKPhase); |
mbed_official | 610:813dcc80987e | 1517 | tmpreg |= ((uint32_t)husart->Init.CLKLastBit | (uint32_t)husart->Init.StopBits); |
mbed_official | 610:813dcc80987e | 1518 | MODIFY_REG(husart->Instance->CR2, USART_CR2_FIELDS, tmpreg); |
mbed_official | 610:813dcc80987e | 1519 | |
mbed_official | 610:813dcc80987e | 1520 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
mbed_official | 610:813dcc80987e | 1521 | /* no CR3 register configuration */ |
mbed_official | 610:813dcc80987e | 1522 | |
mbed_official | 610:813dcc80987e | 1523 | /*-------------------------- USART BRR Configuration -----------------------*/ |
mbed_official | 610:813dcc80987e | 1524 | /* BRR is filled-up according to OVER8 bit setting which is forced to 1 */ |
mbed_official | 610:813dcc80987e | 1525 | USART_GETCLOCKSOURCE(husart, clocksource); |
mbed_official | 610:813dcc80987e | 1526 | switch (clocksource) |
mbed_official | 610:813dcc80987e | 1527 | { |
mbed_official | 610:813dcc80987e | 1528 | case USART_CLOCKSOURCE_PCLK1: |
mbed_official | 610:813dcc80987e | 1529 | usartdiv = (uint16_t)((2*HAL_RCC_GetPCLK1Freq()) / husart->Init.BaudRate); |
mbed_official | 610:813dcc80987e | 1530 | break; |
mbed_official | 610:813dcc80987e | 1531 | case USART_CLOCKSOURCE_PCLK2: |
mbed_official | 610:813dcc80987e | 1532 | usartdiv = (uint16_t)((2*HAL_RCC_GetPCLK2Freq()) / husart->Init.BaudRate); |
mbed_official | 610:813dcc80987e | 1533 | break; |
mbed_official | 610:813dcc80987e | 1534 | case USART_CLOCKSOURCE_HSI: |
mbed_official | 610:813dcc80987e | 1535 | usartdiv = (uint16_t)((2*HSI_VALUE) / husart->Init.BaudRate); |
mbed_official | 610:813dcc80987e | 1536 | break; |
mbed_official | 610:813dcc80987e | 1537 | case USART_CLOCKSOURCE_SYSCLK: |
mbed_official | 610:813dcc80987e | 1538 | usartdiv = (uint16_t)((2*HAL_RCC_GetSysClockFreq()) / husart->Init.BaudRate); |
mbed_official | 610:813dcc80987e | 1539 | break; |
mbed_official | 610:813dcc80987e | 1540 | case USART_CLOCKSOURCE_LSE: |
mbed_official | 610:813dcc80987e | 1541 | usartdiv = (uint16_t)((2*LSE_VALUE) / husart->Init.BaudRate); |
mbed_official | 610:813dcc80987e | 1542 | break; |
mbed_official | 610:813dcc80987e | 1543 | case USART_CLOCKSOURCE_UNDEFINED: |
mbed_official | 610:813dcc80987e | 1544 | default: |
mbed_official | 610:813dcc80987e | 1545 | ret = HAL_ERROR; |
mbed_official | 610:813dcc80987e | 1546 | break; |
mbed_official | 610:813dcc80987e | 1547 | } |
mbed_official | 610:813dcc80987e | 1548 | |
mbed_official | 610:813dcc80987e | 1549 | brrtemp = usartdiv & 0xFFF0; |
mbed_official | 610:813dcc80987e | 1550 | brrtemp |= (uint16_t)((usartdiv & (uint16_t)0x000F) >> 1U); |
mbed_official | 610:813dcc80987e | 1551 | husart->Instance->BRR = brrtemp; |
mbed_official | 610:813dcc80987e | 1552 | |
mbed_official | 610:813dcc80987e | 1553 | return ret; |
mbed_official | 610:813dcc80987e | 1554 | } |
mbed_official | 610:813dcc80987e | 1555 | |
mbed_official | 610:813dcc80987e | 1556 | /** |
mbed_official | 610:813dcc80987e | 1557 | * @brief Check the USART Idle State. |
mbed_official | 610:813dcc80987e | 1558 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1559 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1560 | */ |
mbed_official | 610:813dcc80987e | 1561 | static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1562 | { |
mbed_official | 610:813dcc80987e | 1563 | /* Initialize the USART ErrorCode */ |
mbed_official | 610:813dcc80987e | 1564 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 610:813dcc80987e | 1565 | |
mbed_official | 610:813dcc80987e | 1566 | /* Check if the Transmitter is enabled */ |
mbed_official | 610:813dcc80987e | 1567 | if((husart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) |
mbed_official | 610:813dcc80987e | 1568 | { |
mbed_official | 610:813dcc80987e | 1569 | /* Wait until TEACK flag is set */ |
mbed_official | 610:813dcc80987e | 1570 | if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_TEACK, RESET, USART_TEACK_REACK_TIMEOUT) != HAL_OK) |
mbed_official | 610:813dcc80987e | 1571 | { |
mbed_official | 610:813dcc80987e | 1572 | /* Timeout occurred */ |
mbed_official | 610:813dcc80987e | 1573 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 1574 | } |
mbed_official | 610:813dcc80987e | 1575 | } |
mbed_official | 610:813dcc80987e | 1576 | /* Check if the Receiver is enabled */ |
mbed_official | 610:813dcc80987e | 1577 | if((husart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) |
mbed_official | 610:813dcc80987e | 1578 | { |
mbed_official | 610:813dcc80987e | 1579 | /* Wait until REACK flag is set */ |
mbed_official | 610:813dcc80987e | 1580 | if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_REACK, RESET, USART_TEACK_REACK_TIMEOUT) != HAL_OK) |
mbed_official | 610:813dcc80987e | 1581 | { |
mbed_official | 610:813dcc80987e | 1582 | /* Timeout occurred */ |
mbed_official | 610:813dcc80987e | 1583 | return HAL_TIMEOUT; |
mbed_official | 610:813dcc80987e | 1584 | } |
mbed_official | 610:813dcc80987e | 1585 | } |
mbed_official | 610:813dcc80987e | 1586 | |
mbed_official | 610:813dcc80987e | 1587 | /* Initialize the USART state*/ |
mbed_official | 610:813dcc80987e | 1588 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1589 | |
mbed_official | 610:813dcc80987e | 1590 | /* Process Unlocked */ |
mbed_official | 610:813dcc80987e | 1591 | __HAL_UNLOCK(husart); |
mbed_official | 610:813dcc80987e | 1592 | |
mbed_official | 610:813dcc80987e | 1593 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1594 | } |
mbed_official | 610:813dcc80987e | 1595 | |
mbed_official | 610:813dcc80987e | 1596 | /** |
mbed_official | 610:813dcc80987e | 1597 | * @brief Simplex send an amount of data in non-blocking mode. |
mbed_official | 610:813dcc80987e | 1598 | * @note Function called under interruption only, once |
mbed_official | 610:813dcc80987e | 1599 | * interruptions have been enabled by HAL_USART_Transmit_IT(). |
mbed_official | 610:813dcc80987e | 1600 | * @note The USART errors are not managed to avoid the overrun error. |
mbed_official | 610:813dcc80987e | 1601 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1602 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1603 | */ |
mbed_official | 610:813dcc80987e | 1604 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1605 | { |
mbed_official | 610:813dcc80987e | 1606 | uint16_t* tmp; |
mbed_official | 610:813dcc80987e | 1607 | |
mbed_official | 610:813dcc80987e | 1608 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 610:813dcc80987e | 1609 | { |
mbed_official | 610:813dcc80987e | 1610 | |
mbed_official | 610:813dcc80987e | 1611 | if(husart->TxXferCount == 0) |
mbed_official | 610:813dcc80987e | 1612 | { |
mbed_official | 610:813dcc80987e | 1613 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 610:813dcc80987e | 1614 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 610:813dcc80987e | 1615 | |
mbed_official | 610:813dcc80987e | 1616 | /* Enable the USART Transmit Complete Interrupt */ |
mbed_official | 610:813dcc80987e | 1617 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
mbed_official | 610:813dcc80987e | 1618 | |
mbed_official | 610:813dcc80987e | 1619 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1620 | } |
mbed_official | 610:813dcc80987e | 1621 | else |
mbed_official | 610:813dcc80987e | 1622 | { |
mbed_official | 610:813dcc80987e | 1623 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 1624 | { |
mbed_official | 610:813dcc80987e | 1625 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 610:813dcc80987e | 1626 | husart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 610:813dcc80987e | 1627 | husart->pTxBuffPtr += 2; |
mbed_official | 610:813dcc80987e | 1628 | } |
mbed_official | 610:813dcc80987e | 1629 | else |
mbed_official | 610:813dcc80987e | 1630 | { |
mbed_official | 610:813dcc80987e | 1631 | husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0xFF); |
mbed_official | 610:813dcc80987e | 1632 | } |
mbed_official | 610:813dcc80987e | 1633 | |
mbed_official | 610:813dcc80987e | 1634 | husart->TxXferCount--; |
mbed_official | 610:813dcc80987e | 1635 | |
mbed_official | 610:813dcc80987e | 1636 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1637 | } |
mbed_official | 610:813dcc80987e | 1638 | } |
mbed_official | 610:813dcc80987e | 1639 | else |
mbed_official | 610:813dcc80987e | 1640 | { |
mbed_official | 610:813dcc80987e | 1641 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 1642 | } |
mbed_official | 610:813dcc80987e | 1643 | } |
mbed_official | 610:813dcc80987e | 1644 | |
mbed_official | 610:813dcc80987e | 1645 | |
mbed_official | 610:813dcc80987e | 1646 | /** |
mbed_official | 610:813dcc80987e | 1647 | * @brief Wraps up transmission in non-blocking mode. |
mbed_official | 610:813dcc80987e | 1648 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 610:813dcc80987e | 1649 | * the configuration information for the specified USART module. |
mbed_official | 610:813dcc80987e | 1650 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1651 | */ |
mbed_official | 610:813dcc80987e | 1652 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1653 | { |
mbed_official | 610:813dcc80987e | 1654 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 610:813dcc80987e | 1655 | __HAL_USART_DISABLE_IT(husart, USART_IT_TC); |
mbed_official | 610:813dcc80987e | 1656 | |
mbed_official | 610:813dcc80987e | 1657 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 610:813dcc80987e | 1658 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 1659 | |
mbed_official | 610:813dcc80987e | 1660 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1661 | |
mbed_official | 610:813dcc80987e | 1662 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1663 | |
mbed_official | 610:813dcc80987e | 1664 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1665 | } |
mbed_official | 610:813dcc80987e | 1666 | |
mbed_official | 610:813dcc80987e | 1667 | |
mbed_official | 610:813dcc80987e | 1668 | /** |
mbed_official | 610:813dcc80987e | 1669 | * @brief Simplex receive an amount of data in non-blocking mode. |
mbed_official | 610:813dcc80987e | 1670 | * @note Function called under interruption only, once |
mbed_official | 610:813dcc80987e | 1671 | * interruptions have been enabled by HAL_USART_Receive_IT(). |
mbed_official | 610:813dcc80987e | 1672 | * @param husart: USART handle |
mbed_official | 610:813dcc80987e | 1673 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1674 | */ |
mbed_official | 610:813dcc80987e | 1675 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1676 | { |
mbed_official | 610:813dcc80987e | 1677 | uint16_t* tmp; |
mbed_official | 610:813dcc80987e | 1678 | uint16_t uhMask = husart->Mask; |
mbed_official | 610:813dcc80987e | 1679 | |
mbed_official | 610:813dcc80987e | 1680 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 610:813dcc80987e | 1681 | { |
mbed_official | 610:813dcc80987e | 1682 | |
mbed_official | 610:813dcc80987e | 1683 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 1684 | { |
mbed_official | 610:813dcc80987e | 1685 | tmp = (uint16_t*) husart->pRxBuffPtr; |
mbed_official | 610:813dcc80987e | 1686 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 610:813dcc80987e | 1687 | husart->pRxBuffPtr += 2; |
mbed_official | 610:813dcc80987e | 1688 | } |
mbed_official | 610:813dcc80987e | 1689 | else |
mbed_official | 610:813dcc80987e | 1690 | { |
mbed_official | 610:813dcc80987e | 1691 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 610:813dcc80987e | 1692 | } |
mbed_official | 610:813dcc80987e | 1693 | /* Send dummy byte in order to generate the clock for the Slave to Send the next data */ |
mbed_official | 610:813dcc80987e | 1694 | husart->Instance->TDR = (USART_DUMMY_DATA & (uint16_t)0x00FF); |
mbed_official | 610:813dcc80987e | 1695 | |
mbed_official | 610:813dcc80987e | 1696 | if(--husart->RxXferCount == 0) |
mbed_official | 610:813dcc80987e | 1697 | { |
mbed_official | 610:813dcc80987e | 1698 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 610:813dcc80987e | 1699 | |
mbed_official | 610:813dcc80987e | 1700 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 610:813dcc80987e | 1701 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 610:813dcc80987e | 1702 | |
mbed_official | 610:813dcc80987e | 1703 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 610:813dcc80987e | 1704 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 1705 | |
mbed_official | 610:813dcc80987e | 1706 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1707 | |
mbed_official | 610:813dcc80987e | 1708 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1709 | |
mbed_official | 610:813dcc80987e | 1710 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1711 | } |
mbed_official | 610:813dcc80987e | 1712 | |
mbed_official | 610:813dcc80987e | 1713 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1714 | } |
mbed_official | 610:813dcc80987e | 1715 | else |
mbed_official | 610:813dcc80987e | 1716 | { |
mbed_official | 610:813dcc80987e | 1717 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 1718 | } |
mbed_official | 610:813dcc80987e | 1719 | } |
mbed_official | 610:813dcc80987e | 1720 | |
mbed_official | 610:813dcc80987e | 1721 | /** |
mbed_official | 610:813dcc80987e | 1722 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
mbed_official | 610:813dcc80987e | 1723 | * @note Function called under interruption only, once |
mbed_official | 610:813dcc80987e | 1724 | * interruptions have been enabled by HAL_USART_TransmitReceive_IT(). |
mbed_official | 610:813dcc80987e | 1725 | * @param husart: USART handle. |
mbed_official | 610:813dcc80987e | 1726 | * @retval HAL status |
mbed_official | 610:813dcc80987e | 1727 | */ |
mbed_official | 610:813dcc80987e | 1728 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) |
mbed_official | 610:813dcc80987e | 1729 | { |
mbed_official | 610:813dcc80987e | 1730 | uint16_t* tmp; |
mbed_official | 610:813dcc80987e | 1731 | uint16_t uhMask = husart->Mask; |
mbed_official | 610:813dcc80987e | 1732 | |
mbed_official | 610:813dcc80987e | 1733 | if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 610:813dcc80987e | 1734 | { |
mbed_official | 610:813dcc80987e | 1735 | |
mbed_official | 610:813dcc80987e | 1736 | if(husart->TxXferCount != 0x00) |
mbed_official | 610:813dcc80987e | 1737 | { |
mbed_official | 610:813dcc80987e | 1738 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) |
mbed_official | 610:813dcc80987e | 1739 | { |
mbed_official | 610:813dcc80987e | 1740 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 1741 | { |
mbed_official | 610:813dcc80987e | 1742 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 610:813dcc80987e | 1743 | husart->Instance->TDR = (uint16_t)(*tmp & uhMask); |
mbed_official | 610:813dcc80987e | 1744 | husart->pTxBuffPtr += 2; |
mbed_official | 610:813dcc80987e | 1745 | } |
mbed_official | 610:813dcc80987e | 1746 | else |
mbed_official | 610:813dcc80987e | 1747 | { |
mbed_official | 610:813dcc80987e | 1748 | husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)uhMask); |
mbed_official | 610:813dcc80987e | 1749 | } |
mbed_official | 610:813dcc80987e | 1750 | husart->TxXferCount--; |
mbed_official | 610:813dcc80987e | 1751 | |
mbed_official | 610:813dcc80987e | 1752 | /* Check the latest data transmitted */ |
mbed_official | 610:813dcc80987e | 1753 | if(husart->TxXferCount == 0) |
mbed_official | 610:813dcc80987e | 1754 | { |
mbed_official | 610:813dcc80987e | 1755 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 610:813dcc80987e | 1756 | } |
mbed_official | 610:813dcc80987e | 1757 | } |
mbed_official | 610:813dcc80987e | 1758 | } |
mbed_official | 610:813dcc80987e | 1759 | |
mbed_official | 610:813dcc80987e | 1760 | if(husart->RxXferCount != 0x00) |
mbed_official | 610:813dcc80987e | 1761 | { |
mbed_official | 610:813dcc80987e | 1762 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) |
mbed_official | 610:813dcc80987e | 1763 | { |
mbed_official | 610:813dcc80987e | 1764 | if((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 610:813dcc80987e | 1765 | { |
mbed_official | 610:813dcc80987e | 1766 | tmp = (uint16_t*) husart->pRxBuffPtr; |
mbed_official | 610:813dcc80987e | 1767 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 610:813dcc80987e | 1768 | husart->pRxBuffPtr += 2; |
mbed_official | 610:813dcc80987e | 1769 | } |
mbed_official | 610:813dcc80987e | 1770 | else |
mbed_official | 610:813dcc80987e | 1771 | { |
mbed_official | 610:813dcc80987e | 1772 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 610:813dcc80987e | 1773 | } |
mbed_official | 610:813dcc80987e | 1774 | husart->RxXferCount--; |
mbed_official | 610:813dcc80987e | 1775 | } |
mbed_official | 610:813dcc80987e | 1776 | } |
mbed_official | 610:813dcc80987e | 1777 | |
mbed_official | 610:813dcc80987e | 1778 | /* Check the latest data received */ |
mbed_official | 610:813dcc80987e | 1779 | if(husart->RxXferCount == 0) |
mbed_official | 610:813dcc80987e | 1780 | { |
mbed_official | 610:813dcc80987e | 1781 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 610:813dcc80987e | 1782 | |
mbed_official | 610:813dcc80987e | 1783 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 610:813dcc80987e | 1784 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 610:813dcc80987e | 1785 | |
mbed_official | 610:813dcc80987e | 1786 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 610:813dcc80987e | 1787 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 610:813dcc80987e | 1788 | |
mbed_official | 610:813dcc80987e | 1789 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 610:813dcc80987e | 1790 | |
mbed_official | 610:813dcc80987e | 1791 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 610:813dcc80987e | 1792 | |
mbed_official | 610:813dcc80987e | 1793 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1794 | } |
mbed_official | 610:813dcc80987e | 1795 | |
mbed_official | 610:813dcc80987e | 1796 | return HAL_OK; |
mbed_official | 610:813dcc80987e | 1797 | } |
mbed_official | 610:813dcc80987e | 1798 | else |
mbed_official | 610:813dcc80987e | 1799 | { |
mbed_official | 610:813dcc80987e | 1800 | return HAL_BUSY; |
mbed_official | 610:813dcc80987e | 1801 | } |
mbed_official | 610:813dcc80987e | 1802 | } |
mbed_official | 610:813dcc80987e | 1803 | |
mbed_official | 610:813dcc80987e | 1804 | /** |
mbed_official | 610:813dcc80987e | 1805 | * @} |
mbed_official | 610:813dcc80987e | 1806 | */ |
mbed_official | 610:813dcc80987e | 1807 | |
mbed_official | 610:813dcc80987e | 1808 | #endif /* HAL_USART_MODULE_ENABLED */ |
mbed_official | 610:813dcc80987e | 1809 | /** |
mbed_official | 610:813dcc80987e | 1810 | * @} |
mbed_official | 610:813dcc80987e | 1811 | */ |
mbed_official | 610:813dcc80987e | 1812 | |
mbed_official | 610:813dcc80987e | 1813 | /** |
mbed_official | 610:813dcc80987e | 1814 | * @} |
mbed_official | 610:813dcc80987e | 1815 | */ |
mbed_official | 610:813dcc80987e | 1816 | |
mbed_official | 610:813dcc80987e | 1817 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |