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targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_usart.c@392:2b59412bb664, 2014-11-07 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 07 08:15:08 2014 +0000
- Revision:
- 392:2b59412bb664
- Parent:
- targets/cmsis/TARGET_STM/TARGET_NUCLEO_F091RC/stm32f0xx_hal_usart.c@340:28d1f895c6fe
- Child:
- 441:d2c15dda23c1
Synchronized with git revision eec0be05cd92349bee83c65f9e1302b25b5badf4
Full URL: https://github.com/mbedmicro/mbed/commit/eec0be05cd92349bee83c65f9e1302b25b5badf4/
Targets: STM32F0 - Factorisation of NUCLEO_F030R8/F072RB/F091RC cmsis folders
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 340:28d1f895c6fe | 1 | /** |
mbed_official | 340:28d1f895c6fe | 2 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 3 | * @file stm32f0xx_hal_usart.c |
mbed_official | 340:28d1f895c6fe | 4 | * @author MCD Application Team |
mbed_official | 340:28d1f895c6fe | 5 | * @version V1.1.0 |
mbed_official | 340:28d1f895c6fe | 6 | * @date 03-Oct-2014 |
mbed_official | 340:28d1f895c6fe | 7 | * @brief USART HAL module driver. |
mbed_official | 340:28d1f895c6fe | 8 | * This file provides firmware functions to manage the following |
mbed_official | 340:28d1f895c6fe | 9 | * functionalities of the Universal Synchronous Asynchronous Receiver Transmitter (USART) peripheral: |
mbed_official | 340:28d1f895c6fe | 10 | * + Initialization and de-initialization functions |
mbed_official | 340:28d1f895c6fe | 11 | * + IO operation functions |
mbed_official | 340:28d1f895c6fe | 12 | * + Peripheral Control functions |
mbed_official | 340:28d1f895c6fe | 13 | * + Peripheral State and Errors functions |
mbed_official | 340:28d1f895c6fe | 14 | @verbatim |
mbed_official | 340:28d1f895c6fe | 15 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 16 | ##### How to use this driver ##### |
mbed_official | 340:28d1f895c6fe | 17 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 18 | [..] |
mbed_official | 340:28d1f895c6fe | 19 | The USART HAL driver can be used as follows: |
mbed_official | 340:28d1f895c6fe | 20 | |
mbed_official | 340:28d1f895c6fe | 21 | (#) Declare a USART_HandleTypeDef handle structure. |
mbed_official | 340:28d1f895c6fe | 22 | (#) Initialize the USART low level resources by implementing the HAL_USART_MspInit ()API: |
mbed_official | 340:28d1f895c6fe | 23 | (##) Enable the USARTx interface clock. |
mbed_official | 340:28d1f895c6fe | 24 | (##) USART pins configuration: |
mbed_official | 340:28d1f895c6fe | 25 | (+++) Enable the clock for the USART GPIOs. |
mbed_official | 340:28d1f895c6fe | 26 | (+++) Configure these USART pins as alternate function pull-up. |
mbed_official | 340:28d1f895c6fe | 27 | (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), |
mbed_official | 340:28d1f895c6fe | 28 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
mbed_official | 340:28d1f895c6fe | 29 | (+++) Configure the USARTx interrupt priority. |
mbed_official | 340:28d1f895c6fe | 30 | (+++) Enable the NVIC USART IRQ handle. |
mbed_official | 340:28d1f895c6fe | 31 | (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() |
mbed_official | 340:28d1f895c6fe | 32 | HAL_USART_Receive_DMA() and HAL_USART_TransmitReceive_DMA() APIs): |
mbed_official | 340:28d1f895c6fe | 33 | (+++) Declare a DMA handle structure for the Tx/Rx channel. |
mbed_official | 340:28d1f895c6fe | 34 | (+++) Enable the DMAx interface clock. |
mbed_official | 340:28d1f895c6fe | 35 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
mbed_official | 340:28d1f895c6fe | 36 | (+++) Configure the DMA Tx/Rx channel. |
mbed_official | 340:28d1f895c6fe | 37 | (+++) Associate the initilalized DMA handle to the USART DMA Tx/Rx handle. |
mbed_official | 340:28d1f895c6fe | 38 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. |
mbed_official | 340:28d1f895c6fe | 39 | |
mbed_official | 340:28d1f895c6fe | 40 | (#) Program the Baud Rate, Word Length , Stop Bit, Parity, Hardware |
mbed_official | 340:28d1f895c6fe | 41 | flow control and Mode(Receiver/Transmitter) in the husart Init structure. |
mbed_official | 340:28d1f895c6fe | 42 | |
mbed_official | 340:28d1f895c6fe | 43 | (#) Initialize the USART registers by calling the HAL_USART_Init() API: |
mbed_official | 340:28d1f895c6fe | 44 | (++) These APIs configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
mbed_official | 340:28d1f895c6fe | 45 | by calling the customed HAL_USART_MspInit(&husart) API. |
mbed_official | 340:28d1f895c6fe | 46 | |
mbed_official | 340:28d1f895c6fe | 47 | -@@- The specific USART interrupts (Transmission complete interrupt, |
mbed_official | 340:28d1f895c6fe | 48 | RXNE interrupt and Error Interrupts) will be managed using the macros |
mbed_official | 340:28d1f895c6fe | 49 | __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. |
mbed_official | 340:28d1f895c6fe | 50 | |
mbed_official | 340:28d1f895c6fe | 51 | (#) Three operation modes are available within this driver : |
mbed_official | 340:28d1f895c6fe | 52 | |
mbed_official | 340:28d1f895c6fe | 53 | *** Polling mode IO operation *** |
mbed_official | 340:28d1f895c6fe | 54 | ================================= |
mbed_official | 340:28d1f895c6fe | 55 | [..] |
mbed_official | 340:28d1f895c6fe | 56 | (+) Send an amount of data in blocking mode using HAL_USART_Transmit() |
mbed_official | 340:28d1f895c6fe | 57 | (+) Receive an amount of data in blocking mode using HAL_USART_Receive() |
mbed_official | 340:28d1f895c6fe | 58 | |
mbed_official | 340:28d1f895c6fe | 59 | *** Interrupt mode IO operation *** |
mbed_official | 340:28d1f895c6fe | 60 | =================================== |
mbed_official | 340:28d1f895c6fe | 61 | [..] |
mbed_official | 340:28d1f895c6fe | 62 | (+) Send an amount of data in non blocking mode using HAL_USART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 63 | (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 64 | add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 65 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 66 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
mbed_official | 340:28d1f895c6fe | 67 | (+) Receive an amount of data in non blocking mode using HAL_USART_Receive_IT() |
mbed_official | 340:28d1f895c6fe | 68 | (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 69 | add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 70 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 71 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
mbed_official | 340:28d1f895c6fe | 72 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
mbed_official | 340:28d1f895c6fe | 73 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
mbed_official | 340:28d1f895c6fe | 74 | |
mbed_official | 340:28d1f895c6fe | 75 | *** DMA mode IO operation *** |
mbed_official | 340:28d1f895c6fe | 76 | ============================== |
mbed_official | 340:28d1f895c6fe | 77 | [..] |
mbed_official | 340:28d1f895c6fe | 78 | (+) Send an amount of data in non blocking mode (DMA) using HAL_USART_Transmit_DMA() |
mbed_official | 340:28d1f895c6fe | 79 | (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 80 | add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 81 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 82 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
mbed_official | 340:28d1f895c6fe | 83 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_USART_Receive_DMA() |
mbed_official | 340:28d1f895c6fe | 84 | (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 85 | add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback |
mbed_official | 340:28d1f895c6fe | 86 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
mbed_official | 340:28d1f895c6fe | 87 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
mbed_official | 340:28d1f895c6fe | 88 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
mbed_official | 340:28d1f895c6fe | 89 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
mbed_official | 340:28d1f895c6fe | 90 | (+) Pause the DMA Transfer using HAL_USART_DMAPause() |
mbed_official | 340:28d1f895c6fe | 91 | (+) Resume the DMA Transfer using HAL_USART_DMAResume() |
mbed_official | 340:28d1f895c6fe | 92 | (+) Stop the DMA Transfer using HAL_USART_DMAStop() |
mbed_official | 340:28d1f895c6fe | 93 | |
mbed_official | 340:28d1f895c6fe | 94 | *** USART HAL driver macros list *** |
mbed_official | 340:28d1f895c6fe | 95 | ============================================= |
mbed_official | 340:28d1f895c6fe | 96 | [..] |
mbed_official | 340:28d1f895c6fe | 97 | Below the list of most used macros in USART HAL driver. |
mbed_official | 340:28d1f895c6fe | 98 | |
mbed_official | 340:28d1f895c6fe | 99 | (+) __HAL_USART_ENABLE: Enable the USART peripheral |
mbed_official | 340:28d1f895c6fe | 100 | (+) __HAL_USART_DISABLE: Disable the USART peripheral |
mbed_official | 340:28d1f895c6fe | 101 | (+) __HAL_USART_GET_FLAG : Check whether the specified USART flag is set or not |
mbed_official | 340:28d1f895c6fe | 102 | (+) __HAL_USART_CLEAR_FLAG : Clear the specified USART pending flag |
mbed_official | 340:28d1f895c6fe | 103 | (+) __HAL_USART_ENABLE_IT: Enable the specified USART interrupt |
mbed_official | 340:28d1f895c6fe | 104 | (+) __HAL_USART_DISABLE_IT: Disable the specified USART interrupt |
mbed_official | 340:28d1f895c6fe | 105 | |
mbed_official | 340:28d1f895c6fe | 106 | [..] |
mbed_official | 340:28d1f895c6fe | 107 | (@) You can refer to the USART HAL driver header file for more useful macros |
mbed_official | 340:28d1f895c6fe | 108 | |
mbed_official | 340:28d1f895c6fe | 109 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 110 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 111 | * @attention |
mbed_official | 340:28d1f895c6fe | 112 | * |
mbed_official | 340:28d1f895c6fe | 113 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 340:28d1f895c6fe | 114 | * |
mbed_official | 340:28d1f895c6fe | 115 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 340:28d1f895c6fe | 116 | * are permitted provided that the following conditions are met: |
mbed_official | 340:28d1f895c6fe | 117 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 118 | * this list of conditions and the following disclaimer. |
mbed_official | 340:28d1f895c6fe | 119 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 120 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 340:28d1f895c6fe | 121 | * and/or other materials provided with the distribution. |
mbed_official | 340:28d1f895c6fe | 122 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 340:28d1f895c6fe | 123 | * may be used to endorse or promote products derived from this software |
mbed_official | 340:28d1f895c6fe | 124 | * without specific prior written permission. |
mbed_official | 340:28d1f895c6fe | 125 | * |
mbed_official | 340:28d1f895c6fe | 126 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 340:28d1f895c6fe | 127 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 340:28d1f895c6fe | 128 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 340:28d1f895c6fe | 129 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 340:28d1f895c6fe | 130 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 340:28d1f895c6fe | 131 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 340:28d1f895c6fe | 132 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 340:28d1f895c6fe | 133 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 340:28d1f895c6fe | 134 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 340:28d1f895c6fe | 135 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 340:28d1f895c6fe | 136 | * |
mbed_official | 340:28d1f895c6fe | 137 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 138 | */ |
mbed_official | 340:28d1f895c6fe | 139 | |
mbed_official | 340:28d1f895c6fe | 140 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 141 | #include "stm32f0xx_hal.h" |
mbed_official | 340:28d1f895c6fe | 142 | |
mbed_official | 340:28d1f895c6fe | 143 | /** @addtogroup STM32F0xx_HAL_Driver |
mbed_official | 340:28d1f895c6fe | 144 | * @{ |
mbed_official | 340:28d1f895c6fe | 145 | */ |
mbed_official | 340:28d1f895c6fe | 146 | |
mbed_official | 340:28d1f895c6fe | 147 | /** @defgroup USART USART HAL module driver |
mbed_official | 340:28d1f895c6fe | 148 | * @brief HAL USART Synchronous module driver |
mbed_official | 340:28d1f895c6fe | 149 | * @{ |
mbed_official | 340:28d1f895c6fe | 150 | */ |
mbed_official | 340:28d1f895c6fe | 151 | #ifdef HAL_USART_MODULE_ENABLED |
mbed_official | 340:28d1f895c6fe | 152 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 153 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 154 | /** @defgroup USART_Private_Constants USART Private Constants |
mbed_official | 340:28d1f895c6fe | 155 | * @{ |
mbed_official | 340:28d1f895c6fe | 156 | */ |
mbed_official | 340:28d1f895c6fe | 157 | #define DUMMY_DATA ((uint16_t) 0xFFFF) |
mbed_official | 340:28d1f895c6fe | 158 | #define TEACK_REACK_TIMEOUT ((uint32_t) 1000) |
mbed_official | 340:28d1f895c6fe | 159 | #define USART_TXDMA_TIMEOUTVALUE 22000 |
mbed_official | 340:28d1f895c6fe | 160 | #define USART_TIMEOUT_VALUE 22000 |
mbed_official | 340:28d1f895c6fe | 161 | #define USART_CR1_FIELDS ((uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | \ |
mbed_official | 340:28d1f895c6fe | 162 | USART_CR1_TE | USART_CR1_RE)) |
mbed_official | 340:28d1f895c6fe | 163 | #define USART_CR2_FIELDS ((uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | \ |
mbed_official | 340:28d1f895c6fe | 164 | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP)) |
mbed_official | 340:28d1f895c6fe | 165 | /** |
mbed_official | 340:28d1f895c6fe | 166 | * @} |
mbed_official | 340:28d1f895c6fe | 167 | */ |
mbed_official | 340:28d1f895c6fe | 168 | |
mbed_official | 340:28d1f895c6fe | 169 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 170 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 171 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 172 | /** @addtogroup USART_Private_Functions USART Private Functions |
mbed_official | 340:28d1f895c6fe | 173 | * @{ |
mbed_official | 340:28d1f895c6fe | 174 | */ |
mbed_official | 340:28d1f895c6fe | 175 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 176 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 177 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 178 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 179 | static void USART_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 340:28d1f895c6fe | 180 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 340:28d1f895c6fe | 181 | static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart); |
mbed_official | 340:28d1f895c6fe | 182 | static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart); |
mbed_official | 340:28d1f895c6fe | 183 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 340:28d1f895c6fe | 184 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 340:28d1f895c6fe | 185 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); |
mbed_official | 340:28d1f895c6fe | 186 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); |
mbed_official | 340:28d1f895c6fe | 187 | /** |
mbed_official | 340:28d1f895c6fe | 188 | * @} |
mbed_official | 340:28d1f895c6fe | 189 | */ |
mbed_official | 340:28d1f895c6fe | 190 | |
mbed_official | 340:28d1f895c6fe | 191 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 192 | |
mbed_official | 340:28d1f895c6fe | 193 | |
mbed_official | 340:28d1f895c6fe | 194 | /** @defgroup USART_Exported_Functions USART Exported Functions |
mbed_official | 340:28d1f895c6fe | 195 | * @{ |
mbed_official | 340:28d1f895c6fe | 196 | */ |
mbed_official | 340:28d1f895c6fe | 197 | |
mbed_official | 340:28d1f895c6fe | 198 | /** @defgroup USART_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 340:28d1f895c6fe | 199 | * @brief Initialization and Configuration functions |
mbed_official | 340:28d1f895c6fe | 200 | * |
mbed_official | 340:28d1f895c6fe | 201 | @verbatim |
mbed_official | 340:28d1f895c6fe | 202 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 203 | ##### Initialization and Configuration functions ##### |
mbed_official | 340:28d1f895c6fe | 204 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 205 | [..] |
mbed_official | 340:28d1f895c6fe | 206 | This subsection provides a set of functions allowing to initialize the USART |
mbed_official | 340:28d1f895c6fe | 207 | in asynchronous and in synchronous modes. |
mbed_official | 340:28d1f895c6fe | 208 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 340:28d1f895c6fe | 209 | (++) Baud Rate |
mbed_official | 340:28d1f895c6fe | 210 | (++) Word Length |
mbed_official | 340:28d1f895c6fe | 211 | (++) Stop Bit |
mbed_official | 340:28d1f895c6fe | 212 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 340:28d1f895c6fe | 213 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 340:28d1f895c6fe | 214 | Depending on the frame length defined by the M bit (8-bits or 9-bits) |
mbed_official | 340:28d1f895c6fe | 215 | or by the M1 and M0 bits (7-bit, 8-bit or 9-bit), |
mbed_official | 340:28d1f895c6fe | 216 | the possible USART frame formats are as listed in the following table: |
mbed_official | 340:28d1f895c6fe | 217 | +---------------------------------------------------------------+ |
mbed_official | 340:28d1f895c6fe | 218 | | M bit | PCE bit | USART frame | |
mbed_official | 340:28d1f895c6fe | 219 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 220 | | 0 | 0 | | SB | 8-bit data | STB | | |
mbed_official | 340:28d1f895c6fe | 221 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 222 | | 0 | 1 | | SB | 7-bit data | PB | STB | | |
mbed_official | 340:28d1f895c6fe | 223 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 224 | | 1 | 0 | | SB | 9-bit data | STB | | |
mbed_official | 340:28d1f895c6fe | 225 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 226 | | 1 | 1 | | SB | 8-bit data | PB | STB | | |
mbed_official | 340:28d1f895c6fe | 227 | +---------------------------------------------------------------+ |
mbed_official | 340:28d1f895c6fe | 228 | | M1M0 bits | PCE bit | USART frame | |
mbed_official | 340:28d1f895c6fe | 229 | |-----------------------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 230 | | 10 | 0 | | SB | 7-bit data | STB | | |
mbed_official | 340:28d1f895c6fe | 231 | |-----------|-----------|---------------------------------------| |
mbed_official | 340:28d1f895c6fe | 232 | | 10 | 1 | | SB | 6-bit data | PB | STB | | |
mbed_official | 340:28d1f895c6fe | 233 | +---------------------------------------------------------------+ |
mbed_official | 340:28d1f895c6fe | 234 | (++) USART polarity |
mbed_official | 340:28d1f895c6fe | 235 | (++) USART phase |
mbed_official | 340:28d1f895c6fe | 236 | (++) USART LastBit |
mbed_official | 340:28d1f895c6fe | 237 | (++) Receiver/transmitter modes |
mbed_official | 340:28d1f895c6fe | 238 | |
mbed_official | 340:28d1f895c6fe | 239 | [..] |
mbed_official | 340:28d1f895c6fe | 240 | The HAL_USART_Init() function follows the USART synchronous configuration |
mbed_official | 340:28d1f895c6fe | 241 | procedure (details for the procedure are available in reference manual). |
mbed_official | 340:28d1f895c6fe | 242 | |
mbed_official | 340:28d1f895c6fe | 243 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 244 | * @{ |
mbed_official | 340:28d1f895c6fe | 245 | */ |
mbed_official | 340:28d1f895c6fe | 246 | |
mbed_official | 340:28d1f895c6fe | 247 | /** |
mbed_official | 340:28d1f895c6fe | 248 | * @brief Initializes the USART mode according to the specified |
mbed_official | 340:28d1f895c6fe | 249 | * parameters in the USART_InitTypeDef and create the associated handle . |
mbed_official | 340:28d1f895c6fe | 250 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 251 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 252 | */ |
mbed_official | 340:28d1f895c6fe | 253 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 254 | { |
mbed_official | 340:28d1f895c6fe | 255 | /* Check the USART handle allocation */ |
mbed_official | 340:28d1f895c6fe | 256 | if(husart == HAL_NULL) |
mbed_official | 340:28d1f895c6fe | 257 | { |
mbed_official | 340:28d1f895c6fe | 258 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 259 | } |
mbed_official | 340:28d1f895c6fe | 260 | |
mbed_official | 340:28d1f895c6fe | 261 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 262 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 340:28d1f895c6fe | 263 | |
mbed_official | 340:28d1f895c6fe | 264 | if(husart->State == HAL_USART_STATE_RESET) |
mbed_official | 340:28d1f895c6fe | 265 | { |
mbed_official | 340:28d1f895c6fe | 266 | /* Init the low level hardware : GPIO, CLOCK */ |
mbed_official | 340:28d1f895c6fe | 267 | HAL_USART_MspInit(husart); |
mbed_official | 340:28d1f895c6fe | 268 | } |
mbed_official | 340:28d1f895c6fe | 269 | |
mbed_official | 340:28d1f895c6fe | 270 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 271 | |
mbed_official | 340:28d1f895c6fe | 272 | /* Disable the Peripheral */ |
mbed_official | 340:28d1f895c6fe | 273 | __HAL_USART_DISABLE(husart); |
mbed_official | 340:28d1f895c6fe | 274 | |
mbed_official | 340:28d1f895c6fe | 275 | /* Set the Usart Communication parameters */ |
mbed_official | 340:28d1f895c6fe | 276 | if (USART_SetConfig(husart) == HAL_ERROR) |
mbed_official | 340:28d1f895c6fe | 277 | { |
mbed_official | 340:28d1f895c6fe | 278 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 279 | } |
mbed_official | 340:28d1f895c6fe | 280 | |
mbed_official | 340:28d1f895c6fe | 281 | /* In Synchronous mode, the following bits must be kept cleared: |
mbed_official | 340:28d1f895c6fe | 282 | - LINEN bit in the USART_CR2 register |
mbed_official | 340:28d1f895c6fe | 283 | - HDSEL, SCEN and IREN bits in the USART_CR3 register.*/ |
mbed_official | 340:28d1f895c6fe | 284 | husart->Instance->CR2 &= ~USART_CR2_LINEN; |
mbed_official | 340:28d1f895c6fe | 285 | husart->Instance->CR3 &= ~(USART_CR3_SCEN | USART_CR3_HDSEL | USART_CR3_IREN); |
mbed_official | 340:28d1f895c6fe | 286 | |
mbed_official | 340:28d1f895c6fe | 287 | /* Enable the Peripharal */ |
mbed_official | 340:28d1f895c6fe | 288 | __HAL_USART_ENABLE(husart); |
mbed_official | 340:28d1f895c6fe | 289 | |
mbed_official | 340:28d1f895c6fe | 290 | /* TEACK and/or REACK to check before moving husart->State to Ready */ |
mbed_official | 340:28d1f895c6fe | 291 | return (USART_CheckIdleState(husart)); |
mbed_official | 340:28d1f895c6fe | 292 | } |
mbed_official | 340:28d1f895c6fe | 293 | |
mbed_official | 340:28d1f895c6fe | 294 | /** |
mbed_official | 340:28d1f895c6fe | 295 | * @brief DeInitializes the USART peripheral |
mbed_official | 340:28d1f895c6fe | 296 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 297 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 298 | */ |
mbed_official | 340:28d1f895c6fe | 299 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 300 | { |
mbed_official | 340:28d1f895c6fe | 301 | /* Check the USART handle allocation */ |
mbed_official | 340:28d1f895c6fe | 302 | if(husart == HAL_NULL) |
mbed_official | 340:28d1f895c6fe | 303 | { |
mbed_official | 340:28d1f895c6fe | 304 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 305 | } |
mbed_official | 340:28d1f895c6fe | 306 | |
mbed_official | 340:28d1f895c6fe | 307 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 308 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 340:28d1f895c6fe | 309 | |
mbed_official | 340:28d1f895c6fe | 310 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 340:28d1f895c6fe | 311 | |
mbed_official | 340:28d1f895c6fe | 312 | husart->Instance->CR1 = 0x0; |
mbed_official | 340:28d1f895c6fe | 313 | husart->Instance->CR2 = 0x0; |
mbed_official | 340:28d1f895c6fe | 314 | husart->Instance->CR3 = 0x0; |
mbed_official | 340:28d1f895c6fe | 315 | |
mbed_official | 340:28d1f895c6fe | 316 | /* DeInit the low level hardware */ |
mbed_official | 340:28d1f895c6fe | 317 | HAL_USART_MspDeInit(husart); |
mbed_official | 340:28d1f895c6fe | 318 | |
mbed_official | 340:28d1f895c6fe | 319 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 320 | husart->State = HAL_USART_STATE_RESET; |
mbed_official | 340:28d1f895c6fe | 321 | |
mbed_official | 340:28d1f895c6fe | 322 | /* Process Unlock */ |
mbed_official | 340:28d1f895c6fe | 323 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 324 | |
mbed_official | 340:28d1f895c6fe | 325 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 326 | } |
mbed_official | 340:28d1f895c6fe | 327 | |
mbed_official | 340:28d1f895c6fe | 328 | /** |
mbed_official | 340:28d1f895c6fe | 329 | * @brief USART MSP Init |
mbed_official | 340:28d1f895c6fe | 330 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 331 | * @retval None |
mbed_official | 340:28d1f895c6fe | 332 | */ |
mbed_official | 340:28d1f895c6fe | 333 | __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 334 | { |
mbed_official | 340:28d1f895c6fe | 335 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 336 | the HAL_USART_MspInit can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 337 | */ |
mbed_official | 340:28d1f895c6fe | 338 | } |
mbed_official | 340:28d1f895c6fe | 339 | |
mbed_official | 340:28d1f895c6fe | 340 | /** |
mbed_official | 340:28d1f895c6fe | 341 | * @brief USART MSP DeInit |
mbed_official | 340:28d1f895c6fe | 342 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 343 | * @retval None |
mbed_official | 340:28d1f895c6fe | 344 | */ |
mbed_official | 340:28d1f895c6fe | 345 | __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 346 | { |
mbed_official | 340:28d1f895c6fe | 347 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 348 | the HAL_USART_MspDeInit can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 349 | */ |
mbed_official | 340:28d1f895c6fe | 350 | } |
mbed_official | 340:28d1f895c6fe | 351 | |
mbed_official | 340:28d1f895c6fe | 352 | /** |
mbed_official | 340:28d1f895c6fe | 353 | * @} |
mbed_official | 340:28d1f895c6fe | 354 | */ |
mbed_official | 340:28d1f895c6fe | 355 | |
mbed_official | 340:28d1f895c6fe | 356 | /** @defgroup USART_Exported_Functions_Group2 IO operation functions |
mbed_official | 340:28d1f895c6fe | 357 | * @brief USART Transmit and Receive functions |
mbed_official | 340:28d1f895c6fe | 358 | * |
mbed_official | 340:28d1f895c6fe | 359 | @verbatim |
mbed_official | 340:28d1f895c6fe | 360 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 361 | ##### IO operation functions ##### |
mbed_official | 340:28d1f895c6fe | 362 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 363 | [..] |
mbed_official | 340:28d1f895c6fe | 364 | This subsection provides a set of functions allowing to manage the USART synchronous |
mbed_official | 340:28d1f895c6fe | 365 | data transfers. |
mbed_official | 340:28d1f895c6fe | 366 | |
mbed_official | 340:28d1f895c6fe | 367 | [..] |
mbed_official | 340:28d1f895c6fe | 368 | The USART supports master mode only: it cannot receive or send data related to an input |
mbed_official | 340:28d1f895c6fe | 369 | clock (SCLK is always an output). |
mbed_official | 340:28d1f895c6fe | 370 | |
mbed_official | 340:28d1f895c6fe | 371 | (#) There are two modes of transfer: |
mbed_official | 340:28d1f895c6fe | 372 | (++) Blocking mode: The communication is performed in polling mode. |
mbed_official | 340:28d1f895c6fe | 373 | The HAL status of all data processing is returned by the same function |
mbed_official | 340:28d1f895c6fe | 374 | after finishing transfer. |
mbed_official | 340:28d1f895c6fe | 375 | (++) Non Blocking mode: The communication is performed using Interrupts |
mbed_official | 340:28d1f895c6fe | 376 | or DMA, These APIs return the HAL status. |
mbed_official | 340:28d1f895c6fe | 377 | The end of the data processing will be indicated through the |
mbed_official | 340:28d1f895c6fe | 378 | dedicated USART IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 340:28d1f895c6fe | 379 | using DMA mode. |
mbed_official | 340:28d1f895c6fe | 380 | The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() user callbacks |
mbed_official | 340:28d1f895c6fe | 381 | will be executed respectivelly at the end of the transmit or Receive process |
mbed_official | 340:28d1f895c6fe | 382 | The HAL_USART_ErrorCallback()user callback will be executed when a communication error is detected |
mbed_official | 340:28d1f895c6fe | 383 | |
mbed_official | 340:28d1f895c6fe | 384 | (#) Blocking mode APIs are : |
mbed_official | 340:28d1f895c6fe | 385 | (++) HAL_USART_Transmit()in simplex mode |
mbed_official | 340:28d1f895c6fe | 386 | (++) HAL_USART_Receive() in full duplex receive only |
mbed_official | 340:28d1f895c6fe | 387 | (++) HAL_USART_TransmitReceive() in full duplex mode |
mbed_official | 340:28d1f895c6fe | 388 | |
mbed_official | 340:28d1f895c6fe | 389 | (#) Non Blocking mode APIs with Interrupt are : |
mbed_official | 340:28d1f895c6fe | 390 | (++) HAL_USART_Transmit_IT()in simplex mode |
mbed_official | 340:28d1f895c6fe | 391 | (++) HAL_USART_Receive_IT() in full duplex receive only |
mbed_official | 340:28d1f895c6fe | 392 | (++) HAL_USART_TransmitReceive_IT()in full duplex mode |
mbed_official | 340:28d1f895c6fe | 393 | (++) HAL_USART_IRQHandler() |
mbed_official | 340:28d1f895c6fe | 394 | |
mbed_official | 340:28d1f895c6fe | 395 | (#) Non Blocking mode functions with DMA are : |
mbed_official | 340:28d1f895c6fe | 396 | (++) HAL_USART_Transmit_DMA()in simplex mode |
mbed_official | 340:28d1f895c6fe | 397 | (++) HAL_USART_Receive_DMA() in full duplex receive only |
mbed_official | 340:28d1f895c6fe | 398 | (++) HAL_USART_TransmitReceive_DMA() in full duplex mode |
mbed_official | 340:28d1f895c6fe | 399 | (++) HAL_USART_DMAPause() |
mbed_official | 340:28d1f895c6fe | 400 | (++) HAL_USART_DMAResume() |
mbed_official | 340:28d1f895c6fe | 401 | (++) HAL_USART_DMAStop() |
mbed_official | 340:28d1f895c6fe | 402 | |
mbed_official | 340:28d1f895c6fe | 403 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
mbed_official | 340:28d1f895c6fe | 404 | (++) HAL_USART_TxCpltCallback() |
mbed_official | 340:28d1f895c6fe | 405 | (++) HAL_USART_RxCpltCallback() |
mbed_official | 340:28d1f895c6fe | 406 | (++) HAL_USART_TxHalfCpltCallback() |
mbed_official | 340:28d1f895c6fe | 407 | (++) HAL_USART_RxHalfCpltCallback() |
mbed_official | 340:28d1f895c6fe | 408 | (++) HAL_USART_ErrorCallback() |
mbed_official | 340:28d1f895c6fe | 409 | (++) HAL_USART_TxRxCpltCallback() |
mbed_official | 340:28d1f895c6fe | 410 | |
mbed_official | 340:28d1f895c6fe | 411 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 412 | * @{ |
mbed_official | 340:28d1f895c6fe | 413 | */ |
mbed_official | 340:28d1f895c6fe | 414 | |
mbed_official | 340:28d1f895c6fe | 415 | /** |
mbed_official | 340:28d1f895c6fe | 416 | * @brief Simplex Send an amount of data in blocking mode |
mbed_official | 340:28d1f895c6fe | 417 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 418 | * @param pTxData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 419 | * @param Size: amount of data to be sent |
mbed_official | 340:28d1f895c6fe | 420 | * @param Timeout : Timeout duration |
mbed_official | 340:28d1f895c6fe | 421 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 422 | */ |
mbed_official | 340:28d1f895c6fe | 423 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 424 | { |
mbed_official | 340:28d1f895c6fe | 425 | uint16_t* tmp=0; |
mbed_official | 340:28d1f895c6fe | 426 | |
mbed_official | 340:28d1f895c6fe | 427 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 428 | { |
mbed_official | 340:28d1f895c6fe | 429 | if((pTxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 430 | { |
mbed_official | 340:28d1f895c6fe | 431 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 432 | } |
mbed_official | 340:28d1f895c6fe | 433 | |
mbed_official | 340:28d1f895c6fe | 434 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 435 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 436 | |
mbed_official | 340:28d1f895c6fe | 437 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 438 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 439 | |
mbed_official | 340:28d1f895c6fe | 440 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 441 | husart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 442 | |
mbed_official | 340:28d1f895c6fe | 443 | /* Check the remaining data to be sent */ |
mbed_official | 340:28d1f895c6fe | 444 | while(husart->TxXferCount > 0) |
mbed_official | 340:28d1f895c6fe | 445 | { |
mbed_official | 340:28d1f895c6fe | 446 | husart->TxXferCount--; |
mbed_official | 340:28d1f895c6fe | 447 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 448 | { |
mbed_official | 340:28d1f895c6fe | 449 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 450 | } |
mbed_official | 340:28d1f895c6fe | 451 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 452 | { |
mbed_official | 340:28d1f895c6fe | 453 | tmp = (uint16_t*) pTxData; |
mbed_official | 340:28d1f895c6fe | 454 | husart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 340:28d1f895c6fe | 455 | pTxData += 2; |
mbed_official | 340:28d1f895c6fe | 456 | } |
mbed_official | 340:28d1f895c6fe | 457 | else |
mbed_official | 340:28d1f895c6fe | 458 | { |
mbed_official | 340:28d1f895c6fe | 459 | husart->Instance->TDR = (*pTxData++ & (uint8_t)0xFF); |
mbed_official | 340:28d1f895c6fe | 460 | } |
mbed_official | 340:28d1f895c6fe | 461 | } |
mbed_official | 340:28d1f895c6fe | 462 | |
mbed_official | 340:28d1f895c6fe | 463 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 464 | { |
mbed_official | 340:28d1f895c6fe | 465 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 466 | } |
mbed_official | 340:28d1f895c6fe | 467 | |
mbed_official | 340:28d1f895c6fe | 468 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 469 | |
mbed_official | 340:28d1f895c6fe | 470 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 471 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 472 | |
mbed_official | 340:28d1f895c6fe | 473 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 474 | } |
mbed_official | 340:28d1f895c6fe | 475 | else |
mbed_official | 340:28d1f895c6fe | 476 | { |
mbed_official | 340:28d1f895c6fe | 477 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 478 | } |
mbed_official | 340:28d1f895c6fe | 479 | } |
mbed_official | 340:28d1f895c6fe | 480 | |
mbed_official | 340:28d1f895c6fe | 481 | /** |
mbed_official | 340:28d1f895c6fe | 482 | * @brief Receive an amount of data in blocking mode |
mbed_official | 340:28d1f895c6fe | 483 | * To receive synchronous data, dummy data are simultaneously transmitted |
mbed_official | 340:28d1f895c6fe | 484 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 485 | * @param pRxData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 486 | * @param Size: amount of data to be received |
mbed_official | 340:28d1f895c6fe | 487 | * @param Timeout : Timeout duration |
mbed_official | 340:28d1f895c6fe | 488 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 489 | */ |
mbed_official | 340:28d1f895c6fe | 490 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 491 | { |
mbed_official | 340:28d1f895c6fe | 492 | uint16_t* tmp=0; |
mbed_official | 340:28d1f895c6fe | 493 | uint16_t uhMask; |
mbed_official | 340:28d1f895c6fe | 494 | |
mbed_official | 340:28d1f895c6fe | 495 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 496 | { |
mbed_official | 340:28d1f895c6fe | 497 | if((pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 498 | { |
mbed_official | 340:28d1f895c6fe | 499 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 500 | } |
mbed_official | 340:28d1f895c6fe | 501 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 502 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 503 | |
mbed_official | 340:28d1f895c6fe | 504 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 505 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 506 | |
mbed_official | 340:28d1f895c6fe | 507 | husart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 508 | husart->RxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 509 | |
mbed_official | 340:28d1f895c6fe | 510 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 340:28d1f895c6fe | 511 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 340:28d1f895c6fe | 512 | uhMask = husart->Mask; |
mbed_official | 340:28d1f895c6fe | 513 | |
mbed_official | 340:28d1f895c6fe | 514 | /* as long as data have to be received */ |
mbed_official | 340:28d1f895c6fe | 515 | while(husart->RxXferCount > 0) |
mbed_official | 340:28d1f895c6fe | 516 | { |
mbed_official | 340:28d1f895c6fe | 517 | husart->RxXferCount--; |
mbed_official | 340:28d1f895c6fe | 518 | |
mbed_official | 340:28d1f895c6fe | 519 | /* Wait until TC flag is set to send dummy byte in order to generate the |
mbed_official | 340:28d1f895c6fe | 520 | * clock for the slave to send data. |
mbed_official | 340:28d1f895c6fe | 521 | * Whatever the frame length (7, 8 or 9-bit long), the same dummy value |
mbed_official | 340:28d1f895c6fe | 522 | * can be written for all the cases. */ |
mbed_official | 340:28d1f895c6fe | 523 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 524 | { |
mbed_official | 340:28d1f895c6fe | 525 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 526 | } |
mbed_official | 340:28d1f895c6fe | 527 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x0FF); |
mbed_official | 340:28d1f895c6fe | 528 | |
mbed_official | 340:28d1f895c6fe | 529 | /* Wait for RXNE Flag */ |
mbed_official | 340:28d1f895c6fe | 530 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 531 | { |
mbed_official | 340:28d1f895c6fe | 532 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 533 | } |
mbed_official | 340:28d1f895c6fe | 534 | |
mbed_official | 340:28d1f895c6fe | 535 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 536 | { |
mbed_official | 340:28d1f895c6fe | 537 | tmp = (uint16_t*) pRxData ; |
mbed_official | 340:28d1f895c6fe | 538 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 340:28d1f895c6fe | 539 | pRxData +=2; |
mbed_official | 340:28d1f895c6fe | 540 | } |
mbed_official | 340:28d1f895c6fe | 541 | else |
mbed_official | 340:28d1f895c6fe | 542 | { |
mbed_official | 340:28d1f895c6fe | 543 | *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 544 | } |
mbed_official | 340:28d1f895c6fe | 545 | } |
mbed_official | 340:28d1f895c6fe | 546 | |
mbed_official | 340:28d1f895c6fe | 547 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 548 | |
mbed_official | 340:28d1f895c6fe | 549 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 550 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 551 | |
mbed_official | 340:28d1f895c6fe | 552 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 553 | } |
mbed_official | 340:28d1f895c6fe | 554 | else |
mbed_official | 340:28d1f895c6fe | 555 | { |
mbed_official | 340:28d1f895c6fe | 556 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 557 | } |
mbed_official | 340:28d1f895c6fe | 558 | } |
mbed_official | 340:28d1f895c6fe | 559 | |
mbed_official | 340:28d1f895c6fe | 560 | /** |
mbed_official | 340:28d1f895c6fe | 561 | * @brief Full-Duplex Send and Receive an amount of data in blocking mode |
mbed_official | 340:28d1f895c6fe | 562 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 563 | * @param pTxData: pointer to TX data buffer |
mbed_official | 340:28d1f895c6fe | 564 | * @param pRxData: pointer to RX data buffer |
mbed_official | 340:28d1f895c6fe | 565 | * @param Size: amount of data to be sent (same amount to be received) |
mbed_official | 340:28d1f895c6fe | 566 | * @param Timeout : Timeout duration |
mbed_official | 340:28d1f895c6fe | 567 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 568 | */ |
mbed_official | 340:28d1f895c6fe | 569 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 570 | { |
mbed_official | 340:28d1f895c6fe | 571 | uint16_t* tmp=0; |
mbed_official | 340:28d1f895c6fe | 572 | uint16_t uhMask; |
mbed_official | 340:28d1f895c6fe | 573 | |
mbed_official | 340:28d1f895c6fe | 574 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 575 | { |
mbed_official | 340:28d1f895c6fe | 576 | if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 577 | { |
mbed_official | 340:28d1f895c6fe | 578 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 579 | } |
mbed_official | 340:28d1f895c6fe | 580 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 581 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 582 | |
mbed_official | 340:28d1f895c6fe | 583 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 584 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 585 | |
mbed_official | 340:28d1f895c6fe | 586 | husart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 587 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 588 | husart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 589 | husart->RxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 590 | |
mbed_official | 340:28d1f895c6fe | 591 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 340:28d1f895c6fe | 592 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 340:28d1f895c6fe | 593 | uhMask = husart->Mask; |
mbed_official | 340:28d1f895c6fe | 594 | |
mbed_official | 340:28d1f895c6fe | 595 | /* Check the remain data to be sent */ |
mbed_official | 340:28d1f895c6fe | 596 | while(husart->TxXferCount > 0) |
mbed_official | 340:28d1f895c6fe | 597 | { |
mbed_official | 340:28d1f895c6fe | 598 | husart->TxXferCount--; |
mbed_official | 340:28d1f895c6fe | 599 | husart->RxXferCount--; |
mbed_official | 340:28d1f895c6fe | 600 | |
mbed_official | 340:28d1f895c6fe | 601 | /* Wait until TC flag is set to send data */ |
mbed_official | 340:28d1f895c6fe | 602 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 603 | { |
mbed_official | 340:28d1f895c6fe | 604 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 605 | } |
mbed_official | 340:28d1f895c6fe | 606 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 607 | { |
mbed_official | 340:28d1f895c6fe | 608 | tmp = (uint16_t*) pTxData; |
mbed_official | 340:28d1f895c6fe | 609 | husart->Instance->TDR = (*tmp & uhMask); |
mbed_official | 340:28d1f895c6fe | 610 | pTxData += 2; |
mbed_official | 340:28d1f895c6fe | 611 | } |
mbed_official | 340:28d1f895c6fe | 612 | else |
mbed_official | 340:28d1f895c6fe | 613 | { |
mbed_official | 340:28d1f895c6fe | 614 | husart->Instance->TDR = (*pTxData++ & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 615 | } |
mbed_official | 340:28d1f895c6fe | 616 | |
mbed_official | 340:28d1f895c6fe | 617 | /* Wait for RXNE Flag */ |
mbed_official | 340:28d1f895c6fe | 618 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 619 | { |
mbed_official | 340:28d1f895c6fe | 620 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 621 | } |
mbed_official | 340:28d1f895c6fe | 622 | |
mbed_official | 340:28d1f895c6fe | 623 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 624 | { |
mbed_official | 340:28d1f895c6fe | 625 | tmp = (uint16_t*) pRxData ; |
mbed_official | 340:28d1f895c6fe | 626 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 340:28d1f895c6fe | 627 | pRxData +=2; |
mbed_official | 340:28d1f895c6fe | 628 | } |
mbed_official | 340:28d1f895c6fe | 629 | else |
mbed_official | 340:28d1f895c6fe | 630 | { |
mbed_official | 340:28d1f895c6fe | 631 | *pRxData++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 632 | } |
mbed_official | 340:28d1f895c6fe | 633 | } |
mbed_official | 340:28d1f895c6fe | 634 | |
mbed_official | 340:28d1f895c6fe | 635 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 636 | |
mbed_official | 340:28d1f895c6fe | 637 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 638 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 639 | |
mbed_official | 340:28d1f895c6fe | 640 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 641 | } |
mbed_official | 340:28d1f895c6fe | 642 | else |
mbed_official | 340:28d1f895c6fe | 643 | { |
mbed_official | 340:28d1f895c6fe | 644 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 645 | } |
mbed_official | 340:28d1f895c6fe | 646 | } |
mbed_official | 340:28d1f895c6fe | 647 | |
mbed_official | 340:28d1f895c6fe | 648 | /** |
mbed_official | 340:28d1f895c6fe | 649 | * @brief Send an amount of data in interrupt mode |
mbed_official | 340:28d1f895c6fe | 650 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 651 | * @param pTxData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 652 | * @param Size: amount of data to be sent |
mbed_official | 340:28d1f895c6fe | 653 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 654 | */ |
mbed_official | 340:28d1f895c6fe | 655 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 656 | { |
mbed_official | 340:28d1f895c6fe | 657 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 658 | { |
mbed_official | 340:28d1f895c6fe | 659 | if((pTxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 660 | { |
mbed_official | 340:28d1f895c6fe | 661 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 662 | } |
mbed_official | 340:28d1f895c6fe | 663 | |
mbed_official | 340:28d1f895c6fe | 664 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 665 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 666 | |
mbed_official | 340:28d1f895c6fe | 667 | husart->pTxBuffPtr = pTxData; |
mbed_official | 340:28d1f895c6fe | 668 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 669 | husart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 670 | |
mbed_official | 340:28d1f895c6fe | 671 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 672 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 673 | |
mbed_official | 340:28d1f895c6fe | 674 | /* The USART Error Interrupts: (Frame error, noise error, overrun error) |
mbed_official | 340:28d1f895c6fe | 675 | are not managed by the USART Transmit Process to avoid the overrun interrupt |
mbed_official | 340:28d1f895c6fe | 676 | when the usart mode is configured for transmit and receive "USART_MODE_TX_RX" |
mbed_official | 340:28d1f895c6fe | 677 | to benefit for the frame error and noise interrupts the usart mode should be |
mbed_official | 340:28d1f895c6fe | 678 | configured only for transmit "USART_MODE_TX" */ |
mbed_official | 340:28d1f895c6fe | 679 | |
mbed_official | 340:28d1f895c6fe | 680 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 681 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 682 | |
mbed_official | 340:28d1f895c6fe | 683 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 684 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 685 | |
mbed_official | 340:28d1f895c6fe | 686 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 687 | } |
mbed_official | 340:28d1f895c6fe | 688 | else |
mbed_official | 340:28d1f895c6fe | 689 | { |
mbed_official | 340:28d1f895c6fe | 690 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 691 | } |
mbed_official | 340:28d1f895c6fe | 692 | } |
mbed_official | 340:28d1f895c6fe | 693 | |
mbed_official | 340:28d1f895c6fe | 694 | /** |
mbed_official | 340:28d1f895c6fe | 695 | * @brief Receive an amount of data in blocking mode |
mbed_official | 340:28d1f895c6fe | 696 | * To receive synchronous data, dummy data are simultaneously transmitted |
mbed_official | 340:28d1f895c6fe | 697 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 698 | * @param pRxData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 699 | * @param Size: amount of data to be received |
mbed_official | 340:28d1f895c6fe | 700 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 701 | */ |
mbed_official | 340:28d1f895c6fe | 702 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 703 | { |
mbed_official | 340:28d1f895c6fe | 704 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 705 | { |
mbed_official | 340:28d1f895c6fe | 706 | if((pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 707 | { |
mbed_official | 340:28d1f895c6fe | 708 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 709 | } |
mbed_official | 340:28d1f895c6fe | 710 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 711 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 712 | |
mbed_official | 340:28d1f895c6fe | 713 | husart->pRxBuffPtr = pRxData; |
mbed_official | 340:28d1f895c6fe | 714 | husart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 715 | husart->RxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 716 | |
mbed_official | 340:28d1f895c6fe | 717 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 340:28d1f895c6fe | 718 | |
mbed_official | 340:28d1f895c6fe | 719 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 720 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 721 | |
mbed_official | 340:28d1f895c6fe | 722 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 340:28d1f895c6fe | 723 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 724 | |
mbed_official | 340:28d1f895c6fe | 725 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 726 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 727 | |
mbed_official | 340:28d1f895c6fe | 728 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 729 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 730 | |
mbed_official | 340:28d1f895c6fe | 731 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 732 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 733 | |
mbed_official | 340:28d1f895c6fe | 734 | |
mbed_official | 340:28d1f895c6fe | 735 | /* Send dummy byte in order to generate the clock for the Slave to send the next data */ |
mbed_official | 340:28d1f895c6fe | 736 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 340:28d1f895c6fe | 737 | { |
mbed_official | 340:28d1f895c6fe | 738 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x01FF); |
mbed_official | 340:28d1f895c6fe | 739 | } |
mbed_official | 340:28d1f895c6fe | 740 | else |
mbed_official | 340:28d1f895c6fe | 741 | { |
mbed_official | 340:28d1f895c6fe | 742 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x00FF); |
mbed_official | 340:28d1f895c6fe | 743 | } |
mbed_official | 340:28d1f895c6fe | 744 | |
mbed_official | 340:28d1f895c6fe | 745 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 746 | } |
mbed_official | 340:28d1f895c6fe | 747 | else |
mbed_official | 340:28d1f895c6fe | 748 | { |
mbed_official | 340:28d1f895c6fe | 749 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 750 | } |
mbed_official | 340:28d1f895c6fe | 751 | } |
mbed_official | 340:28d1f895c6fe | 752 | |
mbed_official | 340:28d1f895c6fe | 753 | /** |
mbed_official | 340:28d1f895c6fe | 754 | * @brief Full-Duplex Send and Receive an amount of data in interrupt mode |
mbed_official | 340:28d1f895c6fe | 755 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 756 | * @param pTxData: pointer to TX data buffer |
mbed_official | 340:28d1f895c6fe | 757 | * @param pRxData: pointer to RX data buffer |
mbed_official | 340:28d1f895c6fe | 758 | * @param Size: amount of data to be sent (same amount to be received) |
mbed_official | 340:28d1f895c6fe | 759 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 760 | */ |
mbed_official | 340:28d1f895c6fe | 761 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 762 | { |
mbed_official | 340:28d1f895c6fe | 763 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 764 | { |
mbed_official | 340:28d1f895c6fe | 765 | if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 766 | { |
mbed_official | 340:28d1f895c6fe | 767 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 768 | } |
mbed_official | 340:28d1f895c6fe | 769 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 770 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 771 | |
mbed_official | 340:28d1f895c6fe | 772 | husart->pRxBuffPtr = pRxData; |
mbed_official | 340:28d1f895c6fe | 773 | husart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 774 | husart->RxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 775 | husart->pTxBuffPtr = pTxData; |
mbed_official | 340:28d1f895c6fe | 776 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 777 | husart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 778 | |
mbed_official | 340:28d1f895c6fe | 779 | /* Computation of USART mask to apply to RDR register */ |
mbed_official | 340:28d1f895c6fe | 780 | __HAL_USART_MASK_COMPUTATION(husart); |
mbed_official | 340:28d1f895c6fe | 781 | |
mbed_official | 340:28d1f895c6fe | 782 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 783 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 784 | |
mbed_official | 340:28d1f895c6fe | 785 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 786 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 787 | |
mbed_official | 340:28d1f895c6fe | 788 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 340:28d1f895c6fe | 789 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 790 | |
mbed_official | 340:28d1f895c6fe | 791 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 792 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 793 | |
mbed_official | 340:28d1f895c6fe | 794 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 795 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 796 | |
mbed_official | 340:28d1f895c6fe | 797 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 340:28d1f895c6fe | 798 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 799 | |
mbed_official | 340:28d1f895c6fe | 800 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 801 | } |
mbed_official | 340:28d1f895c6fe | 802 | else |
mbed_official | 340:28d1f895c6fe | 803 | { |
mbed_official | 340:28d1f895c6fe | 804 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 805 | } |
mbed_official | 340:28d1f895c6fe | 806 | } |
mbed_official | 340:28d1f895c6fe | 807 | |
mbed_official | 340:28d1f895c6fe | 808 | /** |
mbed_official | 340:28d1f895c6fe | 809 | * @brief Send an amount of data in DMA mode |
mbed_official | 340:28d1f895c6fe | 810 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 811 | * @param pTxData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 812 | * @param Size: amount of data to be sent |
mbed_official | 340:28d1f895c6fe | 813 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 814 | */ |
mbed_official | 340:28d1f895c6fe | 815 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 816 | { |
mbed_official | 340:28d1f895c6fe | 817 | uint32_t *tmp=0; |
mbed_official | 340:28d1f895c6fe | 818 | |
mbed_official | 340:28d1f895c6fe | 819 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 820 | { |
mbed_official | 340:28d1f895c6fe | 821 | if((pTxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 822 | { |
mbed_official | 340:28d1f895c6fe | 823 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 824 | } |
mbed_official | 340:28d1f895c6fe | 825 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 826 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 827 | |
mbed_official | 340:28d1f895c6fe | 828 | husart->pTxBuffPtr = pTxData; |
mbed_official | 340:28d1f895c6fe | 829 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 830 | husart->TxXferCount = Size; |
mbed_official | 340:28d1f895c6fe | 831 | |
mbed_official | 340:28d1f895c6fe | 832 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 833 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 340:28d1f895c6fe | 834 | |
mbed_official | 340:28d1f895c6fe | 835 | /* Set the USART DMA transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 836 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 340:28d1f895c6fe | 837 | |
mbed_official | 340:28d1f895c6fe | 838 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 839 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 340:28d1f895c6fe | 840 | |
mbed_official | 340:28d1f895c6fe | 841 | /* Set the DMA error callback */ |
mbed_official | 340:28d1f895c6fe | 842 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 340:28d1f895c6fe | 843 | |
mbed_official | 340:28d1f895c6fe | 844 | /* Enable the USART transmit DMA channel */ |
mbed_official | 340:28d1f895c6fe | 845 | tmp = (uint32_t*)&pTxData; |
mbed_official | 340:28d1f895c6fe | 846 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 340:28d1f895c6fe | 847 | |
mbed_official | 340:28d1f895c6fe | 848 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 340:28d1f895c6fe | 849 | in the USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 850 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 851 | |
mbed_official | 340:28d1f895c6fe | 852 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 853 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 854 | |
mbed_official | 340:28d1f895c6fe | 855 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 856 | } |
mbed_official | 340:28d1f895c6fe | 857 | else |
mbed_official | 340:28d1f895c6fe | 858 | { |
mbed_official | 340:28d1f895c6fe | 859 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 860 | } |
mbed_official | 340:28d1f895c6fe | 861 | } |
mbed_official | 340:28d1f895c6fe | 862 | |
mbed_official | 340:28d1f895c6fe | 863 | /** |
mbed_official | 340:28d1f895c6fe | 864 | * @brief Full-Duplex Receive an amount of data in non-blocking mode |
mbed_official | 340:28d1f895c6fe | 865 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 866 | * @param pRxData: pointer to data buffer |
mbed_official | 340:28d1f895c6fe | 867 | * @param Size: amount of data to be received |
mbed_official | 340:28d1f895c6fe | 868 | * @note When the USART parity is enabled (PCE = 1), the received data contain |
mbed_official | 340:28d1f895c6fe | 869 | * the parity bit (MSB position) |
mbed_official | 340:28d1f895c6fe | 870 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 871 | * @note The USART DMA transmit channel must be configured in order to generate the clock for the slave. |
mbed_official | 340:28d1f895c6fe | 872 | */ |
mbed_official | 340:28d1f895c6fe | 873 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 874 | { |
mbed_official | 340:28d1f895c6fe | 875 | uint32_t *tmp=0; |
mbed_official | 340:28d1f895c6fe | 876 | |
mbed_official | 340:28d1f895c6fe | 877 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 878 | { |
mbed_official | 340:28d1f895c6fe | 879 | if((pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 880 | { |
mbed_official | 340:28d1f895c6fe | 881 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 882 | } |
mbed_official | 340:28d1f895c6fe | 883 | |
mbed_official | 340:28d1f895c6fe | 884 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 885 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 886 | |
mbed_official | 340:28d1f895c6fe | 887 | husart->pRxBuffPtr = pRxData; |
mbed_official | 340:28d1f895c6fe | 888 | husart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 889 | husart->pTxBuffPtr = pRxData; |
mbed_official | 340:28d1f895c6fe | 890 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 891 | |
mbed_official | 340:28d1f895c6fe | 892 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 893 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 894 | |
mbed_official | 340:28d1f895c6fe | 895 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 896 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 340:28d1f895c6fe | 897 | |
mbed_official | 340:28d1f895c6fe | 898 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 899 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 340:28d1f895c6fe | 900 | |
mbed_official | 340:28d1f895c6fe | 901 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 340:28d1f895c6fe | 902 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 340:28d1f895c6fe | 903 | |
mbed_official | 340:28d1f895c6fe | 904 | /* Enable the USART receive DMA channel */ |
mbed_official | 340:28d1f895c6fe | 905 | tmp = (uint32_t*)&pRxData; |
mbed_official | 340:28d1f895c6fe | 906 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 340:28d1f895c6fe | 907 | |
mbed_official | 340:28d1f895c6fe | 908 | /* Enable the USART transmit DMA channel: the transmit channel is used in order |
mbed_official | 340:28d1f895c6fe | 909 | to generate in the non-blocking mode the clock to the slave device, |
mbed_official | 340:28d1f895c6fe | 910 | this mode isn't a simplex receive mode but a full-duplex receive mode */ |
mbed_official | 340:28d1f895c6fe | 911 | tmp = (uint32_t*)&pRxData; |
mbed_official | 340:28d1f895c6fe | 912 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 340:28d1f895c6fe | 913 | |
mbed_official | 340:28d1f895c6fe | 914 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 340:28d1f895c6fe | 915 | in the USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 916 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 917 | |
mbed_official | 340:28d1f895c6fe | 918 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 340:28d1f895c6fe | 919 | in the USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 920 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 921 | |
mbed_official | 340:28d1f895c6fe | 922 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 923 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 924 | |
mbed_official | 340:28d1f895c6fe | 925 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 926 | } |
mbed_official | 340:28d1f895c6fe | 927 | else |
mbed_official | 340:28d1f895c6fe | 928 | { |
mbed_official | 340:28d1f895c6fe | 929 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 930 | } |
mbed_official | 340:28d1f895c6fe | 931 | } |
mbed_official | 340:28d1f895c6fe | 932 | |
mbed_official | 340:28d1f895c6fe | 933 | /** |
mbed_official | 340:28d1f895c6fe | 934 | * @brief Full-Duplex Transmit Receive an amount of data in non blocking mode |
mbed_official | 340:28d1f895c6fe | 935 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 936 | * @param pTxData: pointer to TX data buffer |
mbed_official | 340:28d1f895c6fe | 937 | * @param pRxData: pointer to RX data buffer |
mbed_official | 340:28d1f895c6fe | 938 | * @param Size: amount of data to be received/sent |
mbed_official | 340:28d1f895c6fe | 939 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
mbed_official | 340:28d1f895c6fe | 940 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 941 | */ |
mbed_official | 340:28d1f895c6fe | 942 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 340:28d1f895c6fe | 943 | { |
mbed_official | 340:28d1f895c6fe | 944 | uint32_t *tmp=0; |
mbed_official | 340:28d1f895c6fe | 945 | |
mbed_official | 340:28d1f895c6fe | 946 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 340:28d1f895c6fe | 947 | { |
mbed_official | 340:28d1f895c6fe | 948 | if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 340:28d1f895c6fe | 949 | { |
mbed_official | 340:28d1f895c6fe | 950 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 951 | } |
mbed_official | 340:28d1f895c6fe | 952 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 953 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 954 | |
mbed_official | 340:28d1f895c6fe | 955 | husart->pRxBuffPtr = pRxData; |
mbed_official | 340:28d1f895c6fe | 956 | husart->RxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 957 | husart->pTxBuffPtr = pTxData; |
mbed_official | 340:28d1f895c6fe | 958 | husart->TxXferSize = Size; |
mbed_official | 340:28d1f895c6fe | 959 | |
mbed_official | 340:28d1f895c6fe | 960 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 961 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 340:28d1f895c6fe | 962 | |
mbed_official | 340:28d1f895c6fe | 963 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 964 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 340:28d1f895c6fe | 965 | |
mbed_official | 340:28d1f895c6fe | 966 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 967 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 340:28d1f895c6fe | 968 | |
mbed_official | 340:28d1f895c6fe | 969 | /* Set the USART DMA Tx transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 970 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 340:28d1f895c6fe | 971 | |
mbed_official | 340:28d1f895c6fe | 972 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 340:28d1f895c6fe | 973 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 340:28d1f895c6fe | 974 | |
mbed_official | 340:28d1f895c6fe | 975 | /* Set the USART DMA Tx transfer error callback */ |
mbed_official | 340:28d1f895c6fe | 976 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 340:28d1f895c6fe | 977 | |
mbed_official | 340:28d1f895c6fe | 978 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 340:28d1f895c6fe | 979 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 340:28d1f895c6fe | 980 | |
mbed_official | 340:28d1f895c6fe | 981 | /* Enable the USART receive DMA channel */ |
mbed_official | 340:28d1f895c6fe | 982 | tmp = (uint32_t*)&pRxData; |
mbed_official | 340:28d1f895c6fe | 983 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->RDR, *(uint32_t*)tmp, Size); |
mbed_official | 340:28d1f895c6fe | 984 | |
mbed_official | 340:28d1f895c6fe | 985 | /* Enable the USART transmit DMA channel */ |
mbed_official | 340:28d1f895c6fe | 986 | tmp = (uint32_t*)&pTxData; |
mbed_official | 340:28d1f895c6fe | 987 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->TDR, Size); |
mbed_official | 340:28d1f895c6fe | 988 | |
mbed_official | 340:28d1f895c6fe | 989 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 340:28d1f895c6fe | 990 | in the USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 991 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 992 | |
mbed_official | 340:28d1f895c6fe | 993 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 340:28d1f895c6fe | 994 | in the USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 995 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 996 | |
mbed_official | 340:28d1f895c6fe | 997 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 998 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 999 | |
mbed_official | 340:28d1f895c6fe | 1000 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1001 | } |
mbed_official | 340:28d1f895c6fe | 1002 | else |
mbed_official | 340:28d1f895c6fe | 1003 | { |
mbed_official | 340:28d1f895c6fe | 1004 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 1005 | } |
mbed_official | 340:28d1f895c6fe | 1006 | } |
mbed_official | 340:28d1f895c6fe | 1007 | |
mbed_official | 340:28d1f895c6fe | 1008 | /** |
mbed_official | 340:28d1f895c6fe | 1009 | * @brief Pauses the DMA Transfer. |
mbed_official | 340:28d1f895c6fe | 1010 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1011 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1012 | */ |
mbed_official | 340:28d1f895c6fe | 1013 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1014 | { |
mbed_official | 340:28d1f895c6fe | 1015 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1016 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1017 | |
mbed_official | 340:28d1f895c6fe | 1018 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 1019 | { |
mbed_official | 340:28d1f895c6fe | 1020 | /* Disable the USART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1021 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 1022 | } |
mbed_official | 340:28d1f895c6fe | 1023 | else if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 1024 | { |
mbed_official | 340:28d1f895c6fe | 1025 | /* Disable the USART DMA Rx request */ |
mbed_official | 340:28d1f895c6fe | 1026 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 340:28d1f895c6fe | 1027 | } |
mbed_official | 340:28d1f895c6fe | 1028 | else if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1029 | { |
mbed_official | 340:28d1f895c6fe | 1030 | /* Disable the USART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1031 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 1032 | /* Disable the USART DMA Rx request */ |
mbed_official | 340:28d1f895c6fe | 1033 | husart->Instance->CR3 &= (uint32_t)(~USART_CR3_DMAR); |
mbed_official | 340:28d1f895c6fe | 1034 | } |
mbed_official | 340:28d1f895c6fe | 1035 | |
mbed_official | 340:28d1f895c6fe | 1036 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1037 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1038 | |
mbed_official | 340:28d1f895c6fe | 1039 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1040 | } |
mbed_official | 340:28d1f895c6fe | 1041 | |
mbed_official | 340:28d1f895c6fe | 1042 | /** |
mbed_official | 340:28d1f895c6fe | 1043 | * @brief Resumes the DMA Transfer. |
mbed_official | 340:28d1f895c6fe | 1044 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1045 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1046 | */ |
mbed_official | 340:28d1f895c6fe | 1047 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1048 | { |
mbed_official | 340:28d1f895c6fe | 1049 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1050 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1051 | |
mbed_official | 340:28d1f895c6fe | 1052 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 1053 | { |
mbed_official | 340:28d1f895c6fe | 1054 | /* Enable the USART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1055 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 1056 | } |
mbed_official | 340:28d1f895c6fe | 1057 | else if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 1058 | { |
mbed_official | 340:28d1f895c6fe | 1059 | /* Enable the USART DMA Rx request */ |
mbed_official | 340:28d1f895c6fe | 1060 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 1061 | } |
mbed_official | 340:28d1f895c6fe | 1062 | else if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1063 | { |
mbed_official | 340:28d1f895c6fe | 1064 | /* Enable the USART DMA Rx request before the DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1065 | husart->Instance->CR3 |= USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 1066 | /* Enable the USART DMA Tx request */ |
mbed_official | 340:28d1f895c6fe | 1067 | husart->Instance->CR3 |= USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 1068 | } |
mbed_official | 340:28d1f895c6fe | 1069 | |
mbed_official | 340:28d1f895c6fe | 1070 | /* If the USART peripheral is still not enabled, enable it */ |
mbed_official | 340:28d1f895c6fe | 1071 | if ((husart->Instance->CR1 & USART_CR1_UE) == 0) |
mbed_official | 340:28d1f895c6fe | 1072 | { |
mbed_official | 340:28d1f895c6fe | 1073 | /* Enable USART peripheral */ |
mbed_official | 340:28d1f895c6fe | 1074 | __HAL_USART_ENABLE(husart); |
mbed_official | 340:28d1f895c6fe | 1075 | } |
mbed_official | 340:28d1f895c6fe | 1076 | |
mbed_official | 340:28d1f895c6fe | 1077 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1078 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1079 | |
mbed_official | 340:28d1f895c6fe | 1080 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1081 | } |
mbed_official | 340:28d1f895c6fe | 1082 | |
mbed_official | 340:28d1f895c6fe | 1083 | /** |
mbed_official | 340:28d1f895c6fe | 1084 | * @brief Stops the DMA Transfer. |
mbed_official | 340:28d1f895c6fe | 1085 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1086 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1087 | */ |
mbed_official | 340:28d1f895c6fe | 1088 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1089 | { |
mbed_official | 340:28d1f895c6fe | 1090 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 1091 | __HAL_LOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1092 | |
mbed_official | 340:28d1f895c6fe | 1093 | /* Disable the USART Tx/Rx DMA requests */ |
mbed_official | 340:28d1f895c6fe | 1094 | husart->Instance->CR3 &= ~USART_CR3_DMAT; |
mbed_official | 340:28d1f895c6fe | 1095 | husart->Instance->CR3 &= ~USART_CR3_DMAR; |
mbed_official | 340:28d1f895c6fe | 1096 | |
mbed_official | 340:28d1f895c6fe | 1097 | /* Abort the USART DMA tx Channel */ |
mbed_official | 340:28d1f895c6fe | 1098 | if(husart->hdmatx != HAL_NULL) |
mbed_official | 340:28d1f895c6fe | 1099 | { |
mbed_official | 340:28d1f895c6fe | 1100 | HAL_DMA_Abort(husart->hdmatx); |
mbed_official | 340:28d1f895c6fe | 1101 | } |
mbed_official | 340:28d1f895c6fe | 1102 | /* Abort the USART DMA rx Channel */ |
mbed_official | 340:28d1f895c6fe | 1103 | if(husart->hdmarx != HAL_NULL) |
mbed_official | 340:28d1f895c6fe | 1104 | { |
mbed_official | 340:28d1f895c6fe | 1105 | HAL_DMA_Abort(husart->hdmarx); |
mbed_official | 340:28d1f895c6fe | 1106 | } |
mbed_official | 340:28d1f895c6fe | 1107 | |
mbed_official | 340:28d1f895c6fe | 1108 | /* Disable USART peripheral */ |
mbed_official | 340:28d1f895c6fe | 1109 | __HAL_USART_DISABLE(husart); |
mbed_official | 340:28d1f895c6fe | 1110 | |
mbed_official | 340:28d1f895c6fe | 1111 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1112 | |
mbed_official | 340:28d1f895c6fe | 1113 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1114 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1115 | |
mbed_official | 340:28d1f895c6fe | 1116 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1117 | } |
mbed_official | 340:28d1f895c6fe | 1118 | |
mbed_official | 340:28d1f895c6fe | 1119 | /** |
mbed_official | 340:28d1f895c6fe | 1120 | * @brief This function handles USART interrupt request. |
mbed_official | 340:28d1f895c6fe | 1121 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1122 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1123 | */ |
mbed_official | 340:28d1f895c6fe | 1124 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1125 | { |
mbed_official | 340:28d1f895c6fe | 1126 | |
mbed_official | 340:28d1f895c6fe | 1127 | /* USART parity error interrupt occured ------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1128 | if((__HAL_USART_GET_IT(husart, USART_IT_PE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1129 | { |
mbed_official | 340:28d1f895c6fe | 1130 | __HAL_USART_CLEAR_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1131 | husart->ErrorCode |= HAL_USART_ERROR_PE; |
mbed_official | 340:28d1f895c6fe | 1132 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 340:28d1f895c6fe | 1133 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1134 | } |
mbed_official | 340:28d1f895c6fe | 1135 | |
mbed_official | 340:28d1f895c6fe | 1136 | /* USART frame error interrupt occured -------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1137 | if((__HAL_USART_GET_IT(husart, USART_IT_FE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1138 | { |
mbed_official | 340:28d1f895c6fe | 1139 | __HAL_USART_CLEAR_IT(husart, USART_IT_FE); |
mbed_official | 340:28d1f895c6fe | 1140 | husart->ErrorCode |= HAL_USART_ERROR_FE; |
mbed_official | 340:28d1f895c6fe | 1141 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 340:28d1f895c6fe | 1142 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1143 | } |
mbed_official | 340:28d1f895c6fe | 1144 | |
mbed_official | 340:28d1f895c6fe | 1145 | /* USART noise error interrupt occured -------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1146 | if((__HAL_USART_GET_IT(husart, USART_IT_NE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1147 | { |
mbed_official | 340:28d1f895c6fe | 1148 | __HAL_USART_CLEAR_IT(husart, USART_IT_NE); |
mbed_official | 340:28d1f895c6fe | 1149 | husart->ErrorCode |= HAL_USART_ERROR_NE; |
mbed_official | 340:28d1f895c6fe | 1150 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 340:28d1f895c6fe | 1151 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1152 | } |
mbed_official | 340:28d1f895c6fe | 1153 | |
mbed_official | 340:28d1f895c6fe | 1154 | /* USART Over-Run interrupt occured ----------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1155 | if((__HAL_USART_GET_IT(husart, USART_IT_ORE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1156 | { |
mbed_official | 340:28d1f895c6fe | 1157 | __HAL_USART_CLEAR_IT(husart, USART_IT_ORE); |
mbed_official | 340:28d1f895c6fe | 1158 | husart->ErrorCode |= HAL_USART_ERROR_ORE; |
mbed_official | 340:28d1f895c6fe | 1159 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 340:28d1f895c6fe | 1160 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1161 | } |
mbed_official | 340:28d1f895c6fe | 1162 | |
mbed_official | 340:28d1f895c6fe | 1163 | /* Call USART Error Call back function if need be --------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1164 | if(husart->ErrorCode != HAL_USART_ERROR_NONE) |
mbed_official | 340:28d1f895c6fe | 1165 | { |
mbed_official | 340:28d1f895c6fe | 1166 | HAL_USART_ErrorCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1167 | } |
mbed_official | 340:28d1f895c6fe | 1168 | |
mbed_official | 340:28d1f895c6fe | 1169 | /* USART in mode Receiver --------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1170 | if((__HAL_USART_GET_IT(husart, USART_IT_RXNE) != RESET) && (__HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1171 | { |
mbed_official | 340:28d1f895c6fe | 1172 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 1173 | { |
mbed_official | 340:28d1f895c6fe | 1174 | USART_Receive_IT(husart); |
mbed_official | 340:28d1f895c6fe | 1175 | } |
mbed_official | 340:28d1f895c6fe | 1176 | else |
mbed_official | 340:28d1f895c6fe | 1177 | { |
mbed_official | 340:28d1f895c6fe | 1178 | USART_TransmitReceive_IT(husart); |
mbed_official | 340:28d1f895c6fe | 1179 | } |
mbed_official | 340:28d1f895c6fe | 1180 | } |
mbed_official | 340:28d1f895c6fe | 1181 | |
mbed_official | 340:28d1f895c6fe | 1182 | /* USART in mode Transmitter -----------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1183 | if((__HAL_USART_GET_IT(husart, USART_IT_TXE) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1184 | { |
mbed_official | 340:28d1f895c6fe | 1185 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 1186 | { |
mbed_official | 340:28d1f895c6fe | 1187 | USART_Transmit_IT(husart); |
mbed_official | 340:28d1f895c6fe | 1188 | } |
mbed_official | 340:28d1f895c6fe | 1189 | else |
mbed_official | 340:28d1f895c6fe | 1190 | { |
mbed_official | 340:28d1f895c6fe | 1191 | USART_TransmitReceive_IT(husart); |
mbed_official | 340:28d1f895c6fe | 1192 | } |
mbed_official | 340:28d1f895c6fe | 1193 | } |
mbed_official | 340:28d1f895c6fe | 1194 | |
mbed_official | 340:28d1f895c6fe | 1195 | /* USART in mode Transmitter (transmission end) -----------------------------*/ |
mbed_official | 340:28d1f895c6fe | 1196 | if((__HAL_USART_GET_IT(husart, USART_IT_TC) != RESET) &&(__HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC) != RESET)) |
mbed_official | 340:28d1f895c6fe | 1197 | { |
mbed_official | 340:28d1f895c6fe | 1198 | USART_EndTransmit_IT(husart); |
mbed_official | 340:28d1f895c6fe | 1199 | } |
mbed_official | 340:28d1f895c6fe | 1200 | |
mbed_official | 340:28d1f895c6fe | 1201 | } |
mbed_official | 340:28d1f895c6fe | 1202 | |
mbed_official | 340:28d1f895c6fe | 1203 | |
mbed_official | 340:28d1f895c6fe | 1204 | /** |
mbed_official | 340:28d1f895c6fe | 1205 | * @brief Tx Transfer completed callbacks |
mbed_official | 340:28d1f895c6fe | 1206 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 1207 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1208 | */ |
mbed_official | 340:28d1f895c6fe | 1209 | __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1210 | { |
mbed_official | 340:28d1f895c6fe | 1211 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1212 | the HAL_USART_TxCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1213 | */ |
mbed_official | 340:28d1f895c6fe | 1214 | } |
mbed_official | 340:28d1f895c6fe | 1215 | |
mbed_official | 340:28d1f895c6fe | 1216 | /** |
mbed_official | 340:28d1f895c6fe | 1217 | * @brief Tx Half Transfer completed callbacks. |
mbed_official | 340:28d1f895c6fe | 1218 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1219 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1220 | */ |
mbed_official | 340:28d1f895c6fe | 1221 | __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1222 | { |
mbed_official | 340:28d1f895c6fe | 1223 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1224 | the HAL_USART_TxHalfCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1225 | */ |
mbed_official | 340:28d1f895c6fe | 1226 | } |
mbed_official | 340:28d1f895c6fe | 1227 | |
mbed_official | 340:28d1f895c6fe | 1228 | /** |
mbed_official | 340:28d1f895c6fe | 1229 | * @brief Rx Transfer completed callbacks. |
mbed_official | 340:28d1f895c6fe | 1230 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1231 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1232 | */ |
mbed_official | 340:28d1f895c6fe | 1233 | __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1234 | { |
mbed_official | 340:28d1f895c6fe | 1235 | /* NOTE: This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1236 | the HAL_USART_RxCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1237 | */ |
mbed_official | 340:28d1f895c6fe | 1238 | } |
mbed_official | 340:28d1f895c6fe | 1239 | |
mbed_official | 340:28d1f895c6fe | 1240 | /** |
mbed_official | 340:28d1f895c6fe | 1241 | * @brief Rx Half Transfer completed callbacks |
mbed_official | 340:28d1f895c6fe | 1242 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 1243 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1244 | */ |
mbed_official | 340:28d1f895c6fe | 1245 | __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1246 | { |
mbed_official | 340:28d1f895c6fe | 1247 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1248 | the HAL_USART_RxHalfCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1249 | */ |
mbed_official | 340:28d1f895c6fe | 1250 | } |
mbed_official | 340:28d1f895c6fe | 1251 | |
mbed_official | 340:28d1f895c6fe | 1252 | /** |
mbed_official | 340:28d1f895c6fe | 1253 | * @brief Tx/Rx Transfers completed callback for the non-blocking process |
mbed_official | 340:28d1f895c6fe | 1254 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 1255 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1256 | */ |
mbed_official | 340:28d1f895c6fe | 1257 | __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1258 | { |
mbed_official | 340:28d1f895c6fe | 1259 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1260 | the HAL_USART_TxRxCpltCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1261 | */ |
mbed_official | 340:28d1f895c6fe | 1262 | } |
mbed_official | 340:28d1f895c6fe | 1263 | |
mbed_official | 340:28d1f895c6fe | 1264 | /** |
mbed_official | 340:28d1f895c6fe | 1265 | * @brief USART error callbacks |
mbed_official | 340:28d1f895c6fe | 1266 | * @param husart: usart handle |
mbed_official | 340:28d1f895c6fe | 1267 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1268 | */ |
mbed_official | 340:28d1f895c6fe | 1269 | __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1270 | { |
mbed_official | 340:28d1f895c6fe | 1271 | /* NOTE : This function should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 1272 | the HAL_USART_ErrorCallback can be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 1273 | */ |
mbed_official | 340:28d1f895c6fe | 1274 | } |
mbed_official | 340:28d1f895c6fe | 1275 | |
mbed_official | 340:28d1f895c6fe | 1276 | /** |
mbed_official | 340:28d1f895c6fe | 1277 | * @} |
mbed_official | 340:28d1f895c6fe | 1278 | */ |
mbed_official | 340:28d1f895c6fe | 1279 | |
mbed_official | 340:28d1f895c6fe | 1280 | /** @defgroup USART_Exported_Functions_Group3 Peripheral State and Errors functions |
mbed_official | 340:28d1f895c6fe | 1281 | * @brief USART control functions |
mbed_official | 340:28d1f895c6fe | 1282 | * |
mbed_official | 340:28d1f895c6fe | 1283 | @verbatim |
mbed_official | 340:28d1f895c6fe | 1284 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 1285 | ##### Peripheral Control functions ##### |
mbed_official | 340:28d1f895c6fe | 1286 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 1287 | [..] |
mbed_official | 340:28d1f895c6fe | 1288 | This subsection provides a set of functions allowing to control the USART. |
mbed_official | 340:28d1f895c6fe | 1289 | (+) HAL_USART_GetState() API can be helpful to check in run-time the state of the USART peripheral. |
mbed_official | 340:28d1f895c6fe | 1290 | (+) USART_SetConfig() API is used to set the USART communication parameters. |
mbed_official | 340:28d1f895c6fe | 1291 | (+) USART_CheckIdleState() APi ensures that TEACK and/or REACK bits are set after initialization |
mbed_official | 340:28d1f895c6fe | 1292 | |
mbed_official | 340:28d1f895c6fe | 1293 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 1294 | * @{ |
mbed_official | 340:28d1f895c6fe | 1295 | */ |
mbed_official | 340:28d1f895c6fe | 1296 | |
mbed_official | 340:28d1f895c6fe | 1297 | /** |
mbed_official | 340:28d1f895c6fe | 1298 | * @brief return the USART state |
mbed_official | 340:28d1f895c6fe | 1299 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1300 | * @retval HAL state |
mbed_official | 340:28d1f895c6fe | 1301 | */ |
mbed_official | 340:28d1f895c6fe | 1302 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1303 | { |
mbed_official | 340:28d1f895c6fe | 1304 | return husart->State; |
mbed_official | 340:28d1f895c6fe | 1305 | } |
mbed_official | 340:28d1f895c6fe | 1306 | |
mbed_official | 340:28d1f895c6fe | 1307 | /** |
mbed_official | 340:28d1f895c6fe | 1308 | * @brief Return the USART error code |
mbed_official | 340:28d1f895c6fe | 1309 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 340:28d1f895c6fe | 1310 | * the configuration information for the specified USART. |
mbed_official | 340:28d1f895c6fe | 1311 | * @retval USART Error Code |
mbed_official | 340:28d1f895c6fe | 1312 | */ |
mbed_official | 340:28d1f895c6fe | 1313 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1314 | { |
mbed_official | 340:28d1f895c6fe | 1315 | return husart->ErrorCode; |
mbed_official | 340:28d1f895c6fe | 1316 | } |
mbed_official | 340:28d1f895c6fe | 1317 | |
mbed_official | 340:28d1f895c6fe | 1318 | /** |
mbed_official | 340:28d1f895c6fe | 1319 | * @} |
mbed_official | 340:28d1f895c6fe | 1320 | */ |
mbed_official | 340:28d1f895c6fe | 1321 | |
mbed_official | 340:28d1f895c6fe | 1322 | /** |
mbed_official | 340:28d1f895c6fe | 1323 | * @} |
mbed_official | 340:28d1f895c6fe | 1324 | */ |
mbed_official | 340:28d1f895c6fe | 1325 | |
mbed_official | 340:28d1f895c6fe | 1326 | /** @defgroup USART_Private_Functions USART Private Functions |
mbed_official | 340:28d1f895c6fe | 1327 | * @brief USART Private functions |
mbed_official | 340:28d1f895c6fe | 1328 | * @{ |
mbed_official | 340:28d1f895c6fe | 1329 | */ |
mbed_official | 340:28d1f895c6fe | 1330 | |
mbed_official | 340:28d1f895c6fe | 1331 | /** |
mbed_official | 340:28d1f895c6fe | 1332 | * @brief Configure the USART peripheral |
mbed_official | 340:28d1f895c6fe | 1333 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1334 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1335 | */ |
mbed_official | 340:28d1f895c6fe | 1336 | static HAL_StatusTypeDef USART_SetConfig(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1337 | { |
mbed_official | 340:28d1f895c6fe | 1338 | uint32_t tmpreg = 0x0; |
mbed_official | 340:28d1f895c6fe | 1339 | USART_ClockSourceTypeDef clocksource = USART_CLOCKSOURCE_UNDEFINED; |
mbed_official | 340:28d1f895c6fe | 1340 | HAL_StatusTypeDef ret = HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1341 | |
mbed_official | 340:28d1f895c6fe | 1342 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 1343 | assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); |
mbed_official | 340:28d1f895c6fe | 1344 | assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); |
mbed_official | 340:28d1f895c6fe | 1345 | assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); |
mbed_official | 340:28d1f895c6fe | 1346 | assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); |
mbed_official | 340:28d1f895c6fe | 1347 | assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); |
mbed_official | 340:28d1f895c6fe | 1348 | assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); |
mbed_official | 340:28d1f895c6fe | 1349 | assert_param(IS_USART_PARITY(husart->Init.Parity)); |
mbed_official | 340:28d1f895c6fe | 1350 | assert_param(IS_USART_MODE(husart->Init.Mode)); |
mbed_official | 340:28d1f895c6fe | 1351 | |
mbed_official | 340:28d1f895c6fe | 1352 | |
mbed_official | 340:28d1f895c6fe | 1353 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1354 | /* Clear M, PCE, PS, TE and RE bits and configure |
mbed_official | 340:28d1f895c6fe | 1355 | * the USART Word Length, Parity and Mode: |
mbed_official | 340:28d1f895c6fe | 1356 | * set the M bits according to husart->Init.WordLength value |
mbed_official | 340:28d1f895c6fe | 1357 | * set PCE and PS bits according to husart->Init.Parity value |
mbed_official | 340:28d1f895c6fe | 1358 | * set TE and RE bits according to husart->Init.Mode value */ |
mbed_official | 340:28d1f895c6fe | 1359 | tmpreg = (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode; |
mbed_official | 340:28d1f895c6fe | 1360 | MODIFY_REG(husart->Instance->CR1, USART_CR1_FIELDS, tmpreg); |
mbed_official | 340:28d1f895c6fe | 1361 | |
mbed_official | 340:28d1f895c6fe | 1362 | /*---------------------------- USART CR2 Configuration ---------------------*/ |
mbed_official | 340:28d1f895c6fe | 1363 | /* Clear and configure the USART Clock, CPOL, CPHA, LBCL and STOP bits: |
mbed_official | 340:28d1f895c6fe | 1364 | * set CPOL bit according to husart->Init.CLKPolarity value |
mbed_official | 340:28d1f895c6fe | 1365 | * set CPHA bit according to husart->Init.CLKPhase value |
mbed_official | 340:28d1f895c6fe | 1366 | * set LBCL bit according to husart->Init.CLKLastBit value |
mbed_official | 340:28d1f895c6fe | 1367 | * set STOP[13:12] bits according to husart->Init.StopBits value */ |
mbed_official | 340:28d1f895c6fe | 1368 | tmpreg = (uint32_t)(USART_CLOCK_ENABLED); |
mbed_official | 340:28d1f895c6fe | 1369 | tmpreg |= ((uint32_t)husart->Init.CLKPolarity | (uint32_t)husart->Init.CLKPhase); |
mbed_official | 340:28d1f895c6fe | 1370 | tmpreg |= ((uint32_t)husart->Init.CLKLastBit | (uint32_t)husart->Init.StopBits); |
mbed_official | 340:28d1f895c6fe | 1371 | MODIFY_REG(husart->Instance->CR2, USART_CR2_FIELDS, tmpreg); |
mbed_official | 340:28d1f895c6fe | 1372 | |
mbed_official | 340:28d1f895c6fe | 1373 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1374 | /* no CR3 register configuration */ |
mbed_official | 340:28d1f895c6fe | 1375 | |
mbed_official | 340:28d1f895c6fe | 1376 | /*-------------------------- USART BRR Configuration -----------------------*/ |
mbed_official | 340:28d1f895c6fe | 1377 | __HAL_USART_GETCLOCKSOURCE(husart, clocksource); |
mbed_official | 340:28d1f895c6fe | 1378 | switch (clocksource) |
mbed_official | 340:28d1f895c6fe | 1379 | { |
mbed_official | 340:28d1f895c6fe | 1380 | case USART_CLOCKSOURCE_PCLK1: |
mbed_official | 340:28d1f895c6fe | 1381 | husart->Instance->BRR = (uint16_t)(HAL_RCC_GetPCLK1Freq() / husart->Init.BaudRate); |
mbed_official | 340:28d1f895c6fe | 1382 | break; |
mbed_official | 340:28d1f895c6fe | 1383 | case USART_CLOCKSOURCE_HSI: |
mbed_official | 340:28d1f895c6fe | 1384 | husart->Instance->BRR = (uint16_t)(HSI_VALUE / husart->Init.BaudRate); |
mbed_official | 340:28d1f895c6fe | 1385 | break; |
mbed_official | 340:28d1f895c6fe | 1386 | case USART_CLOCKSOURCE_SYSCLK: |
mbed_official | 340:28d1f895c6fe | 1387 | husart->Instance->BRR = (uint16_t)(HAL_RCC_GetSysClockFreq() / husart->Init.BaudRate); |
mbed_official | 340:28d1f895c6fe | 1388 | break; |
mbed_official | 340:28d1f895c6fe | 1389 | case USART_CLOCKSOURCE_LSE: |
mbed_official | 340:28d1f895c6fe | 1390 | husart->Instance->BRR = (uint16_t)(LSE_VALUE / husart->Init.BaudRate); |
mbed_official | 340:28d1f895c6fe | 1391 | break; |
mbed_official | 340:28d1f895c6fe | 1392 | case USART_CLOCKSOURCE_UNDEFINED: |
mbed_official | 340:28d1f895c6fe | 1393 | default: |
mbed_official | 340:28d1f895c6fe | 1394 | ret = HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 1395 | break; |
mbed_official | 340:28d1f895c6fe | 1396 | } |
mbed_official | 340:28d1f895c6fe | 1397 | |
mbed_official | 340:28d1f895c6fe | 1398 | return ret; |
mbed_official | 340:28d1f895c6fe | 1399 | } |
mbed_official | 340:28d1f895c6fe | 1400 | |
mbed_official | 340:28d1f895c6fe | 1401 | /** |
mbed_official | 340:28d1f895c6fe | 1402 | * @brief Check the USART Idle State |
mbed_official | 340:28d1f895c6fe | 1403 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1404 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1405 | */ |
mbed_official | 340:28d1f895c6fe | 1406 | static HAL_StatusTypeDef USART_CheckIdleState(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1407 | { |
mbed_official | 340:28d1f895c6fe | 1408 | /* Initialize the USART ErrorCode */ |
mbed_official | 340:28d1f895c6fe | 1409 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 1410 | |
mbed_official | 340:28d1f895c6fe | 1411 | /* Check if the Transmitter is enabled */ |
mbed_official | 340:28d1f895c6fe | 1412 | if((husart->Instance->CR1 & USART_CR1_TE) == USART_CR1_TE) |
mbed_official | 340:28d1f895c6fe | 1413 | { |
mbed_official | 340:28d1f895c6fe | 1414 | /* Wait until TEACK flag is set */ |
mbed_official | 340:28d1f895c6fe | 1415 | if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_TEACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 1416 | { |
mbed_official | 340:28d1f895c6fe | 1417 | husart->State= HAL_USART_STATE_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1418 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1419 | } |
mbed_official | 340:28d1f895c6fe | 1420 | } |
mbed_official | 340:28d1f895c6fe | 1421 | /* Check if the Receiver is enabled */ |
mbed_official | 340:28d1f895c6fe | 1422 | if((husart->Instance->CR1 & USART_CR1_RE) == USART_CR1_RE) |
mbed_official | 340:28d1f895c6fe | 1423 | { |
mbed_official | 340:28d1f895c6fe | 1424 | /* Wait until REACK flag is set */ |
mbed_official | 340:28d1f895c6fe | 1425 | if(USART_WaitOnFlagUntilTimeout(husart, USART_ISR_REACK, RESET, TEACK_REACK_TIMEOUT) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 1426 | { |
mbed_official | 340:28d1f895c6fe | 1427 | husart->State= HAL_USART_STATE_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1428 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1429 | } |
mbed_official | 340:28d1f895c6fe | 1430 | } |
mbed_official | 340:28d1f895c6fe | 1431 | |
mbed_official | 340:28d1f895c6fe | 1432 | /* Initialize the USART state*/ |
mbed_official | 340:28d1f895c6fe | 1433 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1434 | |
mbed_official | 340:28d1f895c6fe | 1435 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1436 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1437 | |
mbed_official | 340:28d1f895c6fe | 1438 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1439 | } |
mbed_official | 340:28d1f895c6fe | 1440 | |
mbed_official | 340:28d1f895c6fe | 1441 | /** |
mbed_official | 340:28d1f895c6fe | 1442 | * @brief This function handles USART Communication Timeout. |
mbed_official | 340:28d1f895c6fe | 1443 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1444 | * @param Flag: specifies the USART flag to check. |
mbed_official | 340:28d1f895c6fe | 1445 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 340:28d1f895c6fe | 1446 | * @param Timeout: Timeout duration |
mbed_official | 340:28d1f895c6fe | 1447 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1448 | */ |
mbed_official | 340:28d1f895c6fe | 1449 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 1450 | { |
mbed_official | 340:28d1f895c6fe | 1451 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 340:28d1f895c6fe | 1452 | |
mbed_official | 340:28d1f895c6fe | 1453 | /* Wait until flag is set */ |
mbed_official | 340:28d1f895c6fe | 1454 | if(Status == RESET) |
mbed_official | 340:28d1f895c6fe | 1455 | { |
mbed_official | 340:28d1f895c6fe | 1456 | while(__HAL_USART_GET_FLAG(husart, Flag) == RESET) |
mbed_official | 340:28d1f895c6fe | 1457 | { |
mbed_official | 340:28d1f895c6fe | 1458 | /* Check for the Timeout */ |
mbed_official | 340:28d1f895c6fe | 1459 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 340:28d1f895c6fe | 1460 | { |
mbed_official | 340:28d1f895c6fe | 1461 | if((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout)) |
mbed_official | 340:28d1f895c6fe | 1462 | { |
mbed_official | 340:28d1f895c6fe | 1463 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 340:28d1f895c6fe | 1464 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1465 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1466 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1467 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1468 | |
mbed_official | 340:28d1f895c6fe | 1469 | husart->State= HAL_USART_STATE_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1470 | |
mbed_official | 340:28d1f895c6fe | 1471 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1472 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1473 | |
mbed_official | 340:28d1f895c6fe | 1474 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1475 | } |
mbed_official | 340:28d1f895c6fe | 1476 | } |
mbed_official | 340:28d1f895c6fe | 1477 | } |
mbed_official | 340:28d1f895c6fe | 1478 | } |
mbed_official | 340:28d1f895c6fe | 1479 | else |
mbed_official | 340:28d1f895c6fe | 1480 | { |
mbed_official | 340:28d1f895c6fe | 1481 | while(__HAL_USART_GET_FLAG(husart, Flag) != RESET) |
mbed_official | 340:28d1f895c6fe | 1482 | { |
mbed_official | 340:28d1f895c6fe | 1483 | /* Check for the Timeout */ |
mbed_official | 340:28d1f895c6fe | 1484 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 340:28d1f895c6fe | 1485 | { |
mbed_official | 340:28d1f895c6fe | 1486 | if((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout)) |
mbed_official | 340:28d1f895c6fe | 1487 | { |
mbed_official | 340:28d1f895c6fe | 1488 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 340:28d1f895c6fe | 1489 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1490 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1491 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1492 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1493 | |
mbed_official | 340:28d1f895c6fe | 1494 | husart->State= HAL_USART_STATE_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1495 | |
mbed_official | 340:28d1f895c6fe | 1496 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 1497 | __HAL_UNLOCK(husart); |
mbed_official | 340:28d1f895c6fe | 1498 | |
mbed_official | 340:28d1f895c6fe | 1499 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1500 | } |
mbed_official | 340:28d1f895c6fe | 1501 | } |
mbed_official | 340:28d1f895c6fe | 1502 | } |
mbed_official | 340:28d1f895c6fe | 1503 | } |
mbed_official | 340:28d1f895c6fe | 1504 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1505 | } |
mbed_official | 340:28d1f895c6fe | 1506 | |
mbed_official | 340:28d1f895c6fe | 1507 | |
mbed_official | 340:28d1f895c6fe | 1508 | /** |
mbed_official | 340:28d1f895c6fe | 1509 | * @brief DMA USART transmit process complete callback |
mbed_official | 340:28d1f895c6fe | 1510 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1511 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1512 | */ |
mbed_official | 340:28d1f895c6fe | 1513 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1514 | { |
mbed_official | 340:28d1f895c6fe | 1515 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1516 | |
mbed_official | 340:28d1f895c6fe | 1517 | husart->TxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1518 | |
mbed_official | 340:28d1f895c6fe | 1519 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 1520 | { |
mbed_official | 340:28d1f895c6fe | 1521 | /* Wait for USART TC Flag */ |
mbed_official | 340:28d1f895c6fe | 1522 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, USART_TXDMA_TIMEOUTVALUE) != HAL_OK) |
mbed_official | 340:28d1f895c6fe | 1523 | { |
mbed_official | 340:28d1f895c6fe | 1524 | /* Timeout Occured */ |
mbed_official | 340:28d1f895c6fe | 1525 | husart->State = HAL_USART_STATE_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 1526 | HAL_USART_ErrorCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1527 | } |
mbed_official | 340:28d1f895c6fe | 1528 | else |
mbed_official | 340:28d1f895c6fe | 1529 | { |
mbed_official | 340:28d1f895c6fe | 1530 | /* No Timeout */ |
mbed_official | 340:28d1f895c6fe | 1531 | /* Disable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 340:28d1f895c6fe | 1532 | in the USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 1533 | husart->Instance->CR3 &= ~(USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 1534 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1535 | } |
mbed_official | 340:28d1f895c6fe | 1536 | } |
mbed_official | 340:28d1f895c6fe | 1537 | /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/ |
mbed_official | 340:28d1f895c6fe | 1538 | else |
mbed_official | 340:28d1f895c6fe | 1539 | { |
mbed_official | 340:28d1f895c6fe | 1540 | husart->State= HAL_USART_STATE_BUSY_RX; |
mbed_official | 340:28d1f895c6fe | 1541 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1542 | } |
mbed_official | 340:28d1f895c6fe | 1543 | } |
mbed_official | 340:28d1f895c6fe | 1544 | |
mbed_official | 340:28d1f895c6fe | 1545 | |
mbed_official | 340:28d1f895c6fe | 1546 | /** |
mbed_official | 340:28d1f895c6fe | 1547 | * @brief DMA USART transmit process half complete callback |
mbed_official | 340:28d1f895c6fe | 1548 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1549 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1550 | */ |
mbed_official | 340:28d1f895c6fe | 1551 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1552 | { |
mbed_official | 340:28d1f895c6fe | 1553 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1554 | |
mbed_official | 340:28d1f895c6fe | 1555 | HAL_USART_TxHalfCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1556 | } |
mbed_official | 340:28d1f895c6fe | 1557 | |
mbed_official | 340:28d1f895c6fe | 1558 | /** |
mbed_official | 340:28d1f895c6fe | 1559 | * @brief DMA USART receive process complete callback |
mbed_official | 340:28d1f895c6fe | 1560 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1561 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1562 | */ |
mbed_official | 340:28d1f895c6fe | 1563 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1564 | { |
mbed_official | 340:28d1f895c6fe | 1565 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1566 | |
mbed_official | 340:28d1f895c6fe | 1567 | husart->RxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1568 | |
mbed_official | 340:28d1f895c6fe | 1569 | /* Disable the DMA RX transfer for the receiver request by resetting the DMAR bit |
mbed_official | 340:28d1f895c6fe | 1570 | in USART CR3 register */ |
mbed_official | 340:28d1f895c6fe | 1571 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAR); |
mbed_official | 340:28d1f895c6fe | 1572 | /* similarly, disable the DMA TX transfer that was started to provide the |
mbed_official | 340:28d1f895c6fe | 1573 | clock to the slave device */ |
mbed_official | 340:28d1f895c6fe | 1574 | husart->Instance->CR3 &= (uint32_t)~((uint32_t)USART_CR3_DMAT); |
mbed_official | 340:28d1f895c6fe | 1575 | |
mbed_official | 340:28d1f895c6fe | 1576 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1577 | |
mbed_official | 340:28d1f895c6fe | 1578 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1579 | } |
mbed_official | 340:28d1f895c6fe | 1580 | |
mbed_official | 340:28d1f895c6fe | 1581 | /** |
mbed_official | 340:28d1f895c6fe | 1582 | * @brief DMA USART receive process half complete callback |
mbed_official | 340:28d1f895c6fe | 1583 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1584 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1585 | */ |
mbed_official | 340:28d1f895c6fe | 1586 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1587 | { |
mbed_official | 340:28d1f895c6fe | 1588 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1589 | |
mbed_official | 340:28d1f895c6fe | 1590 | HAL_USART_RxHalfCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1591 | } |
mbed_official | 340:28d1f895c6fe | 1592 | |
mbed_official | 340:28d1f895c6fe | 1593 | /** |
mbed_official | 340:28d1f895c6fe | 1594 | * @brief DMA USART communication error callback |
mbed_official | 340:28d1f895c6fe | 1595 | * @param hdma : DMA handle |
mbed_official | 340:28d1f895c6fe | 1596 | * @retval None |
mbed_official | 340:28d1f895c6fe | 1597 | */ |
mbed_official | 340:28d1f895c6fe | 1598 | static void USART_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 340:28d1f895c6fe | 1599 | { |
mbed_official | 340:28d1f895c6fe | 1600 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 340:28d1f895c6fe | 1601 | |
mbed_official | 340:28d1f895c6fe | 1602 | husart->RxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1603 | husart->TxXferCount = 0; |
mbed_official | 340:28d1f895c6fe | 1604 | husart->ErrorCode |= HAL_USART_ERROR_DMA; |
mbed_official | 340:28d1f895c6fe | 1605 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1606 | |
mbed_official | 340:28d1f895c6fe | 1607 | HAL_USART_ErrorCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1608 | } |
mbed_official | 340:28d1f895c6fe | 1609 | |
mbed_official | 340:28d1f895c6fe | 1610 | /** |
mbed_official | 340:28d1f895c6fe | 1611 | * @brief Simplex Send an amount of data in non-blocking mode. |
mbed_official | 340:28d1f895c6fe | 1612 | * Function called under interruption only, once |
mbed_official | 340:28d1f895c6fe | 1613 | * interruptions have been enabled by HAL_USART_Transmit_IT() |
mbed_official | 340:28d1f895c6fe | 1614 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1615 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1616 | * @note The USART errors are not managed to avoid the overrun error. |
mbed_official | 340:28d1f895c6fe | 1617 | */ |
mbed_official | 340:28d1f895c6fe | 1618 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1619 | { |
mbed_official | 340:28d1f895c6fe | 1620 | uint16_t* tmp=0; |
mbed_official | 340:28d1f895c6fe | 1621 | |
mbed_official | 340:28d1f895c6fe | 1622 | if (husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 340:28d1f895c6fe | 1623 | { |
mbed_official | 340:28d1f895c6fe | 1624 | |
mbed_official | 340:28d1f895c6fe | 1625 | if(husart->TxXferCount == 0) |
mbed_official | 340:28d1f895c6fe | 1626 | { |
mbed_official | 340:28d1f895c6fe | 1627 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1628 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1629 | |
mbed_official | 340:28d1f895c6fe | 1630 | /* Enable the USART Transmit Complete Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1631 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
mbed_official | 340:28d1f895c6fe | 1632 | |
mbed_official | 340:28d1f895c6fe | 1633 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1634 | } |
mbed_official | 340:28d1f895c6fe | 1635 | else |
mbed_official | 340:28d1f895c6fe | 1636 | { |
mbed_official | 340:28d1f895c6fe | 1637 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 1638 | { |
mbed_official | 340:28d1f895c6fe | 1639 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 340:28d1f895c6fe | 1640 | husart->Instance->TDR = (*tmp & (uint16_t)0x01FF); |
mbed_official | 340:28d1f895c6fe | 1641 | husart->pTxBuffPtr += 2; |
mbed_official | 340:28d1f895c6fe | 1642 | } |
mbed_official | 340:28d1f895c6fe | 1643 | else |
mbed_official | 340:28d1f895c6fe | 1644 | { |
mbed_official | 340:28d1f895c6fe | 1645 | husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0xFF); |
mbed_official | 340:28d1f895c6fe | 1646 | } |
mbed_official | 340:28d1f895c6fe | 1647 | |
mbed_official | 340:28d1f895c6fe | 1648 | husart->TxXferCount--; |
mbed_official | 340:28d1f895c6fe | 1649 | |
mbed_official | 340:28d1f895c6fe | 1650 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1651 | } |
mbed_official | 340:28d1f895c6fe | 1652 | } |
mbed_official | 340:28d1f895c6fe | 1653 | else |
mbed_official | 340:28d1f895c6fe | 1654 | { |
mbed_official | 340:28d1f895c6fe | 1655 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 1656 | } |
mbed_official | 340:28d1f895c6fe | 1657 | } |
mbed_official | 340:28d1f895c6fe | 1658 | |
mbed_official | 340:28d1f895c6fe | 1659 | |
mbed_official | 340:28d1f895c6fe | 1660 | /** |
mbed_official | 340:28d1f895c6fe | 1661 | * @brief Wraps up transmission in non blocking mode. |
mbed_official | 340:28d1f895c6fe | 1662 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 340:28d1f895c6fe | 1663 | * the configuration information for the specified USART module. |
mbed_official | 340:28d1f895c6fe | 1664 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1665 | */ |
mbed_official | 340:28d1f895c6fe | 1666 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1667 | { |
mbed_official | 340:28d1f895c6fe | 1668 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1669 | __HAL_USART_DISABLE_IT(husart, USART_IT_TC); |
mbed_official | 340:28d1f895c6fe | 1670 | |
mbed_official | 340:28d1f895c6fe | 1671 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 1672 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1673 | |
mbed_official | 340:28d1f895c6fe | 1674 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1675 | |
mbed_official | 340:28d1f895c6fe | 1676 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1677 | |
mbed_official | 340:28d1f895c6fe | 1678 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1679 | } |
mbed_official | 340:28d1f895c6fe | 1680 | |
mbed_official | 340:28d1f895c6fe | 1681 | |
mbed_official | 340:28d1f895c6fe | 1682 | /** |
mbed_official | 340:28d1f895c6fe | 1683 | * @brief Simplex Receive an amount of data in non-blocking mode. |
mbed_official | 340:28d1f895c6fe | 1684 | * Function called under interruption only, once |
mbed_official | 340:28d1f895c6fe | 1685 | * interruptions have been enabled by HAL_USART_Receive_IT() |
mbed_official | 340:28d1f895c6fe | 1686 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1687 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1688 | */ |
mbed_official | 340:28d1f895c6fe | 1689 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1690 | { |
mbed_official | 340:28d1f895c6fe | 1691 | uint16_t* tmp=0; |
mbed_official | 340:28d1f895c6fe | 1692 | uint16_t uhMask = husart->Mask; |
mbed_official | 340:28d1f895c6fe | 1693 | |
mbed_official | 340:28d1f895c6fe | 1694 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 340:28d1f895c6fe | 1695 | { |
mbed_official | 340:28d1f895c6fe | 1696 | |
mbed_official | 340:28d1f895c6fe | 1697 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 1698 | { |
mbed_official | 340:28d1f895c6fe | 1699 | tmp = (uint16_t*) husart->pRxBuffPtr ; |
mbed_official | 340:28d1f895c6fe | 1700 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 340:28d1f895c6fe | 1701 | husart->pRxBuffPtr += 2; |
mbed_official | 340:28d1f895c6fe | 1702 | } |
mbed_official | 340:28d1f895c6fe | 1703 | else |
mbed_official | 340:28d1f895c6fe | 1704 | { |
mbed_official | 340:28d1f895c6fe | 1705 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 1706 | } |
mbed_official | 340:28d1f895c6fe | 1707 | /* Send dummy byte in order to generate the clock for the Slave to Send the next data */ |
mbed_official | 340:28d1f895c6fe | 1708 | husart->Instance->TDR = (DUMMY_DATA & (uint16_t)0x00FF); |
mbed_official | 340:28d1f895c6fe | 1709 | |
mbed_official | 340:28d1f895c6fe | 1710 | if(--husart->RxXferCount == 0) |
mbed_official | 340:28d1f895c6fe | 1711 | { |
mbed_official | 340:28d1f895c6fe | 1712 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1713 | |
mbed_official | 340:28d1f895c6fe | 1714 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1715 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1716 | |
mbed_official | 340:28d1f895c6fe | 1717 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 1718 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1719 | |
mbed_official | 340:28d1f895c6fe | 1720 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1721 | |
mbed_official | 340:28d1f895c6fe | 1722 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1723 | |
mbed_official | 340:28d1f895c6fe | 1724 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1725 | } |
mbed_official | 340:28d1f895c6fe | 1726 | |
mbed_official | 340:28d1f895c6fe | 1727 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1728 | } |
mbed_official | 340:28d1f895c6fe | 1729 | else |
mbed_official | 340:28d1f895c6fe | 1730 | { |
mbed_official | 340:28d1f895c6fe | 1731 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 1732 | } |
mbed_official | 340:28d1f895c6fe | 1733 | } |
mbed_official | 340:28d1f895c6fe | 1734 | |
mbed_official | 340:28d1f895c6fe | 1735 | /** |
mbed_official | 340:28d1f895c6fe | 1736 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
mbed_official | 340:28d1f895c6fe | 1737 | * Function called under interruption only, once |
mbed_official | 340:28d1f895c6fe | 1738 | * interruptions have been enabled by HAL_USART_TransmitReceive_IT() |
mbed_official | 340:28d1f895c6fe | 1739 | * @param husart: USART handle |
mbed_official | 340:28d1f895c6fe | 1740 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 1741 | */ |
mbed_official | 340:28d1f895c6fe | 1742 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) |
mbed_official | 340:28d1f895c6fe | 1743 | { |
mbed_official | 340:28d1f895c6fe | 1744 | uint16_t* tmp=0; |
mbed_official | 340:28d1f895c6fe | 1745 | uint16_t uhMask = husart->Mask; |
mbed_official | 340:28d1f895c6fe | 1746 | |
mbed_official | 340:28d1f895c6fe | 1747 | if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 340:28d1f895c6fe | 1748 | { |
mbed_official | 340:28d1f895c6fe | 1749 | |
mbed_official | 340:28d1f895c6fe | 1750 | if(husart->TxXferCount != 0x00) |
mbed_official | 340:28d1f895c6fe | 1751 | { |
mbed_official | 340:28d1f895c6fe | 1752 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) |
mbed_official | 340:28d1f895c6fe | 1753 | { |
mbed_official | 340:28d1f895c6fe | 1754 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 1755 | { |
mbed_official | 340:28d1f895c6fe | 1756 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 340:28d1f895c6fe | 1757 | husart->Instance->TDR = (uint16_t)(*tmp & uhMask); |
mbed_official | 340:28d1f895c6fe | 1758 | husart->pTxBuffPtr += 2; |
mbed_official | 340:28d1f895c6fe | 1759 | } |
mbed_official | 340:28d1f895c6fe | 1760 | else |
mbed_official | 340:28d1f895c6fe | 1761 | { |
mbed_official | 340:28d1f895c6fe | 1762 | husart->Instance->TDR = (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 1763 | } |
mbed_official | 340:28d1f895c6fe | 1764 | husart->TxXferCount--; |
mbed_official | 340:28d1f895c6fe | 1765 | |
mbed_official | 340:28d1f895c6fe | 1766 | /* Check the latest data transmitted */ |
mbed_official | 340:28d1f895c6fe | 1767 | if(husart->TxXferCount == 0) |
mbed_official | 340:28d1f895c6fe | 1768 | { |
mbed_official | 340:28d1f895c6fe | 1769 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 340:28d1f895c6fe | 1770 | } |
mbed_official | 340:28d1f895c6fe | 1771 | } |
mbed_official | 340:28d1f895c6fe | 1772 | } |
mbed_official | 340:28d1f895c6fe | 1773 | |
mbed_official | 340:28d1f895c6fe | 1774 | if(husart->RxXferCount != 0x00) |
mbed_official | 340:28d1f895c6fe | 1775 | { |
mbed_official | 340:28d1f895c6fe | 1776 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) |
mbed_official | 340:28d1f895c6fe | 1777 | { |
mbed_official | 340:28d1f895c6fe | 1778 | if ((husart->Init.WordLength == USART_WORDLENGTH_9B) && (husart->Init.Parity == USART_PARITY_NONE)) |
mbed_official | 340:28d1f895c6fe | 1779 | { |
mbed_official | 340:28d1f895c6fe | 1780 | tmp = (uint16_t*) husart->pRxBuffPtr ; |
mbed_official | 340:28d1f895c6fe | 1781 | *tmp = (uint16_t)(husart->Instance->RDR & uhMask); |
mbed_official | 340:28d1f895c6fe | 1782 | husart->pRxBuffPtr += 2; |
mbed_official | 340:28d1f895c6fe | 1783 | } |
mbed_official | 340:28d1f895c6fe | 1784 | else |
mbed_official | 340:28d1f895c6fe | 1785 | { |
mbed_official | 340:28d1f895c6fe | 1786 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->RDR & (uint8_t)uhMask); |
mbed_official | 340:28d1f895c6fe | 1787 | } |
mbed_official | 340:28d1f895c6fe | 1788 | husart->RxXferCount--; |
mbed_official | 340:28d1f895c6fe | 1789 | } |
mbed_official | 340:28d1f895c6fe | 1790 | } |
mbed_official | 340:28d1f895c6fe | 1791 | |
mbed_official | 340:28d1f895c6fe | 1792 | /* Check the latest data received */ |
mbed_official | 340:28d1f895c6fe | 1793 | if(husart->RxXferCount == 0) |
mbed_official | 340:28d1f895c6fe | 1794 | { |
mbed_official | 340:28d1f895c6fe | 1795 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 340:28d1f895c6fe | 1796 | |
mbed_official | 340:28d1f895c6fe | 1797 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 340:28d1f895c6fe | 1798 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 340:28d1f895c6fe | 1799 | |
mbed_official | 340:28d1f895c6fe | 1800 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 340:28d1f895c6fe | 1801 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 1802 | |
mbed_official | 340:28d1f895c6fe | 1803 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 340:28d1f895c6fe | 1804 | |
mbed_official | 340:28d1f895c6fe | 1805 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 340:28d1f895c6fe | 1806 | |
mbed_official | 340:28d1f895c6fe | 1807 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1808 | } |
mbed_official | 340:28d1f895c6fe | 1809 | |
mbed_official | 340:28d1f895c6fe | 1810 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 1811 | } |
mbed_official | 340:28d1f895c6fe | 1812 | else |
mbed_official | 340:28d1f895c6fe | 1813 | { |
mbed_official | 340:28d1f895c6fe | 1814 | return HAL_BUSY; |
mbed_official | 340:28d1f895c6fe | 1815 | } |
mbed_official | 340:28d1f895c6fe | 1816 | } |
mbed_official | 340:28d1f895c6fe | 1817 | |
mbed_official | 340:28d1f895c6fe | 1818 | /** |
mbed_official | 340:28d1f895c6fe | 1819 | * @} |
mbed_official | 340:28d1f895c6fe | 1820 | */ |
mbed_official | 340:28d1f895c6fe | 1821 | |
mbed_official | 340:28d1f895c6fe | 1822 | #endif /* HAL_USART_MODULE_ENABLED */ |
mbed_official | 340:28d1f895c6fe | 1823 | /** |
mbed_official | 340:28d1f895c6fe | 1824 | * @} |
mbed_official | 340:28d1f895c6fe | 1825 | */ |
mbed_official | 340:28d1f895c6fe | 1826 | |
mbed_official | 340:28d1f895c6fe | 1827 | /** |
mbed_official | 340:28d1f895c6fe | 1828 | * @} |
mbed_official | 340:28d1f895c6fe | 1829 | */ |
mbed_official | 340:28d1f895c6fe | 1830 | |
mbed_official | 340:28d1f895c6fe | 1831 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |