mbed library sources for GR-PEACH rev.B.
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_usart.c@514:cf59050bad8e, 2015-04-15 (annotated)
- Committer:
- RyoheiHagimoto
- Date:
- Wed Apr 15 01:34:29 2015 +0000
- Revision:
- 514:cf59050bad8e
- Parent:
- 394:83f921546702
mbed library sources for GR-PEACH rev.B.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 354:e67efb2aab0e | 1 | /** |
mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_usart.c |
mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
mbed_official | 354:e67efb2aab0e | 7 | * @brief USART HAL module driver. |
mbed_official | 354:e67efb2aab0e | 8 | * This file provides firmware functions to manage the following |
mbed_official | 354:e67efb2aab0e | 9 | * functionalities of the Universal Synchronous Asynchronous Receiver Transmitter (USART) peripheral: |
mbed_official | 354:e67efb2aab0e | 10 | * + Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 11 | * + IO operation functions |
mbed_official | 354:e67efb2aab0e | 12 | * + Peripheral Control functions |
mbed_official | 354:e67efb2aab0e | 13 | * + Peripheral State and Errors functions |
mbed_official | 354:e67efb2aab0e | 14 | @verbatim |
mbed_official | 354:e67efb2aab0e | 15 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 16 | ##### How to use this driver ##### |
mbed_official | 354:e67efb2aab0e | 17 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 18 | [..] |
mbed_official | 354:e67efb2aab0e | 19 | The USART HAL driver can be used as follows: |
mbed_official | 354:e67efb2aab0e | 20 | |
mbed_official | 354:e67efb2aab0e | 21 | (#) Declare a USART_HandleTypeDef handle structure. |
mbed_official | 354:e67efb2aab0e | 22 | (#) Initialize the USART low level resources by implementing the HAL_USART_MspInit() API: |
mbed_official | 354:e67efb2aab0e | 23 | (##) Enable the USARTx interface clock. |
mbed_official | 354:e67efb2aab0e | 24 | (##) USART pins configuration: |
mbed_official | 354:e67efb2aab0e | 25 | (+++) Enable the clock for the USART GPIOs. |
mbed_official | 354:e67efb2aab0e | 26 | (+++) Configure these USART pins as alternate function pull-up. |
mbed_official | 354:e67efb2aab0e | 27 | (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), |
mbed_official | 354:e67efb2aab0e | 28 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
mbed_official | 354:e67efb2aab0e | 29 | (+++) Configure the USARTx interrupt priority. |
mbed_official | 354:e67efb2aab0e | 30 | (+++) Enable the NVIC USART IRQ handle. |
mbed_official | 354:e67efb2aab0e | 31 | (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() |
mbed_official | 354:e67efb2aab0e | 32 | HAL_USART_Receive_DMA() and HAL_USART_TransmitReceive_DMA() APIs): |
mbed_official | 354:e67efb2aab0e | 33 | (+++) Declare a DMA handle structure for the Tx/Rx channel. |
mbed_official | 354:e67efb2aab0e | 34 | (+++) Enable the DMAx interface clock. |
mbed_official | 354:e67efb2aab0e | 35 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
mbed_official | 354:e67efb2aab0e | 36 | (+++) Configure the DMA Tx/Rx channel. |
mbed_official | 354:e67efb2aab0e | 37 | (+++) Associate the initilalized DMA handle to the USART DMA Tx/Rx handle. |
mbed_official | 354:e67efb2aab0e | 38 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. |
mbed_official | 354:e67efb2aab0e | 39 | |
mbed_official | 354:e67efb2aab0e | 40 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
mbed_official | 354:e67efb2aab0e | 41 | flow control and Mode(Receiver/Transmitter) in the husart Init structure. |
mbed_official | 354:e67efb2aab0e | 42 | |
mbed_official | 354:e67efb2aab0e | 43 | (#) Initialize the USART registers by calling the HAL_USART_Init() API: |
mbed_official | 354:e67efb2aab0e | 44 | (++) These APIs configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
mbed_official | 354:e67efb2aab0e | 45 | by calling the customed HAL_USART_MspInit(&husart) API. |
mbed_official | 354:e67efb2aab0e | 46 | |
mbed_official | 354:e67efb2aab0e | 47 | -@@- The specific USART interrupts (Transmission complete interrupt, |
mbed_official | 354:e67efb2aab0e | 48 | RXNE interrupt and Error Interrupts) will be managed using the macros |
mbed_official | 354:e67efb2aab0e | 49 | __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. |
mbed_official | 354:e67efb2aab0e | 50 | |
mbed_official | 354:e67efb2aab0e | 51 | (#) Three operation modes are available within this driver : |
mbed_official | 354:e67efb2aab0e | 52 | |
mbed_official | 354:e67efb2aab0e | 53 | *** Polling mode IO operation *** |
mbed_official | 354:e67efb2aab0e | 54 | ================================= |
mbed_official | 354:e67efb2aab0e | 55 | [..] |
mbed_official | 354:e67efb2aab0e | 56 | (+) Send an amount of data in blocking mode using HAL_USART_Transmit() |
mbed_official | 354:e67efb2aab0e | 57 | (+) Receive an amount of data in blocking mode using HAL_USART_Receive() |
mbed_official | 354:e67efb2aab0e | 58 | |
mbed_official | 354:e67efb2aab0e | 59 | *** Interrupt mode IO operation *** |
mbed_official | 354:e67efb2aab0e | 60 | =================================== |
mbed_official | 354:e67efb2aab0e | 61 | [..] |
mbed_official | 354:e67efb2aab0e | 62 | (+) Send an amount of data in non blocking mode using HAL_USART_Transmit_IT() |
mbed_official | 354:e67efb2aab0e | 63 | (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 64 | add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback |
mbed_official | 354:e67efb2aab0e | 65 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 66 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
mbed_official | 354:e67efb2aab0e | 67 | (+) Receive an amount of data in non blocking mode using HAL_USART_Receive_IT() |
mbed_official | 354:e67efb2aab0e | 68 | (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 69 | add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback |
mbed_official | 354:e67efb2aab0e | 70 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 71 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
mbed_official | 354:e67efb2aab0e | 72 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
mbed_official | 354:e67efb2aab0e | 73 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
mbed_official | 354:e67efb2aab0e | 74 | |
mbed_official | 354:e67efb2aab0e | 75 | *** DMA mode IO operation *** |
mbed_official | 354:e67efb2aab0e | 76 | ============================== |
mbed_official | 354:e67efb2aab0e | 77 | [..] |
mbed_official | 354:e67efb2aab0e | 78 | (+) Send an amount of data in non blocking mode (DMA) using HAL_USART_Transmit_DMA() |
mbed_official | 354:e67efb2aab0e | 79 | (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 80 | add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback |
mbed_official | 354:e67efb2aab0e | 81 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 82 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
mbed_official | 354:e67efb2aab0e | 83 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_USART_Receive_DMA() |
mbed_official | 354:e67efb2aab0e | 84 | (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 85 | add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback |
mbed_official | 354:e67efb2aab0e | 86 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
mbed_official | 354:e67efb2aab0e | 87 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
mbed_official | 354:e67efb2aab0e | 88 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
mbed_official | 354:e67efb2aab0e | 89 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
mbed_official | 354:e67efb2aab0e | 90 | (+) Pause the DMA Transfer using HAL_USART_DMAPause() |
mbed_official | 354:e67efb2aab0e | 91 | (+) Resume the DMA Transfer using HAL_USART_DMAResume() |
mbed_official | 354:e67efb2aab0e | 92 | (+) Stop the DMA Transfer using HAL_USART_DMAStop() |
mbed_official | 354:e67efb2aab0e | 93 | |
mbed_official | 354:e67efb2aab0e | 94 | *** USART HAL driver macros list *** |
mbed_official | 354:e67efb2aab0e | 95 | ============================================= |
mbed_official | 354:e67efb2aab0e | 96 | [..] |
mbed_official | 354:e67efb2aab0e | 97 | Below the list of most used macros in USART HAL driver. |
mbed_official | 354:e67efb2aab0e | 98 | |
mbed_official | 354:e67efb2aab0e | 99 | (+) __HAL_USART_ENABLE: Enable the USART peripheral |
mbed_official | 354:e67efb2aab0e | 100 | (+) __HAL_USART_DISABLE: Disable the USART peripheral |
mbed_official | 354:e67efb2aab0e | 101 | (+) __HAL_USART_GET_FLAG : Check whether the specified USART flag is set or not |
mbed_official | 354:e67efb2aab0e | 102 | (+) __HAL_USART_CLEAR_FLAG : Clear the specified USART pending flag |
mbed_official | 354:e67efb2aab0e | 103 | (+) __HAL_USART_ENABLE_IT: Enable the specified USART interrupt |
mbed_official | 354:e67efb2aab0e | 104 | (+) __HAL_USART_DISABLE_IT: Disable the specified USART interrupt |
mbed_official | 354:e67efb2aab0e | 105 | |
mbed_official | 354:e67efb2aab0e | 106 | [..] |
mbed_official | 354:e67efb2aab0e | 107 | (@) You can refer to the USART HAL driver header file for more useful macros |
mbed_official | 354:e67efb2aab0e | 108 | |
mbed_official | 354:e67efb2aab0e | 109 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 110 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 111 | * @attention |
mbed_official | 354:e67efb2aab0e | 112 | * |
mbed_official | 354:e67efb2aab0e | 113 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 354:e67efb2aab0e | 114 | * |
mbed_official | 354:e67efb2aab0e | 115 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 354:e67efb2aab0e | 116 | * are permitted provided that the following conditions are met: |
mbed_official | 354:e67efb2aab0e | 117 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 118 | * this list of conditions and the following disclaimer. |
mbed_official | 354:e67efb2aab0e | 119 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 354:e67efb2aab0e | 120 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 354:e67efb2aab0e | 121 | * and/or other materials provided with the distribution. |
mbed_official | 354:e67efb2aab0e | 122 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 354:e67efb2aab0e | 123 | * may be used to endorse or promote products derived from this software |
mbed_official | 354:e67efb2aab0e | 124 | * without specific prior written permission. |
mbed_official | 354:e67efb2aab0e | 125 | * |
mbed_official | 354:e67efb2aab0e | 126 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 354:e67efb2aab0e | 127 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 354:e67efb2aab0e | 128 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 354:e67efb2aab0e | 129 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 354:e67efb2aab0e | 130 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 354:e67efb2aab0e | 131 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 354:e67efb2aab0e | 132 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 354:e67efb2aab0e | 133 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 354:e67efb2aab0e | 134 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 354:e67efb2aab0e | 135 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 354:e67efb2aab0e | 136 | * |
mbed_official | 354:e67efb2aab0e | 137 | ****************************************************************************** |
mbed_official | 354:e67efb2aab0e | 138 | */ |
mbed_official | 354:e67efb2aab0e | 139 | |
mbed_official | 354:e67efb2aab0e | 140 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 141 | #include "stm32l1xx_hal.h" |
mbed_official | 354:e67efb2aab0e | 142 | |
mbed_official | 354:e67efb2aab0e | 143 | /** @addtogroup STM32L1xx_HAL_Driver |
mbed_official | 354:e67efb2aab0e | 144 | * @{ |
mbed_official | 354:e67efb2aab0e | 145 | */ |
mbed_official | 354:e67efb2aab0e | 146 | |
mbed_official | 354:e67efb2aab0e | 147 | /** @defgroup USART USART |
mbed_official | 354:e67efb2aab0e | 148 | * @brief HAL USART Synchronous module driver |
mbed_official | 354:e67efb2aab0e | 149 | * @{ |
mbed_official | 354:e67efb2aab0e | 150 | */ |
mbed_official | 354:e67efb2aab0e | 151 | #ifdef HAL_USART_MODULE_ENABLED |
mbed_official | 354:e67efb2aab0e | 152 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 153 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 154 | /** @defgroup USART_Private_Constants USART Private Constants |
mbed_official | 354:e67efb2aab0e | 155 | * @{ |
mbed_official | 354:e67efb2aab0e | 156 | */ |
mbed_official | 354:e67efb2aab0e | 157 | #define DUMMY_DATA 0xFFFF |
mbed_official | 354:e67efb2aab0e | 158 | #define USART_TIMEOUT_VALUE 22000 |
mbed_official | 354:e67efb2aab0e | 159 | /** |
mbed_official | 354:e67efb2aab0e | 160 | * @} |
mbed_official | 354:e67efb2aab0e | 161 | */ |
mbed_official | 354:e67efb2aab0e | 162 | |
mbed_official | 354:e67efb2aab0e | 163 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 164 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 165 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 166 | /** @addtogroup USART_Private_Functions USART Private Functions |
mbed_official | 354:e67efb2aab0e | 167 | * @{ |
mbed_official | 354:e67efb2aab0e | 168 | */ |
mbed_official | 354:e67efb2aab0e | 169 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 354:e67efb2aab0e | 170 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); |
mbed_official | 354:e67efb2aab0e | 171 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); |
mbed_official | 354:e67efb2aab0e | 172 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); |
mbed_official | 354:e67efb2aab0e | 173 | static void USART_SetConfig (USART_HandleTypeDef *husart); |
mbed_official | 354:e67efb2aab0e | 174 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 175 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 176 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 177 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 178 | static void USART_DMAError(DMA_HandleTypeDef *hdma); |
mbed_official | 354:e67efb2aab0e | 179 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
mbed_official | 354:e67efb2aab0e | 180 | /** |
mbed_official | 354:e67efb2aab0e | 181 | * @} |
mbed_official | 354:e67efb2aab0e | 182 | */ |
mbed_official | 354:e67efb2aab0e | 183 | |
mbed_official | 354:e67efb2aab0e | 184 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 185 | |
mbed_official | 354:e67efb2aab0e | 186 | |
mbed_official | 354:e67efb2aab0e | 187 | /** @defgroup USART_Exported_Functions USART Exported Functions |
mbed_official | 354:e67efb2aab0e | 188 | * @{ |
mbed_official | 354:e67efb2aab0e | 189 | */ |
mbed_official | 354:e67efb2aab0e | 190 | |
mbed_official | 354:e67efb2aab0e | 191 | /** @defgroup USART_Exported_Functions_Group1 USART Initialization and de-initialization functions |
mbed_official | 354:e67efb2aab0e | 192 | * @brief Initialization and Configuration functions |
mbed_official | 354:e67efb2aab0e | 193 | * |
mbed_official | 354:e67efb2aab0e | 194 | @verbatim |
mbed_official | 354:e67efb2aab0e | 195 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 196 | ##### Initialization and Configuration functions ##### |
mbed_official | 354:e67efb2aab0e | 197 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 198 | [..] |
mbed_official | 354:e67efb2aab0e | 199 | This subsection provides a set of functions allowing to initialize the USART |
mbed_official | 354:e67efb2aab0e | 200 | in asynchronous and in synchronous modes. |
mbed_official | 354:e67efb2aab0e | 201 | (+) For the asynchronous mode only these parameters can be configured: |
mbed_official | 354:e67efb2aab0e | 202 | (++) Baud Rate |
mbed_official | 354:e67efb2aab0e | 203 | (++) Word Length |
mbed_official | 354:e67efb2aab0e | 204 | (++) Stop Bit |
mbed_official | 354:e67efb2aab0e | 205 | (++) Parity: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 354:e67efb2aab0e | 206 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 354:e67efb2aab0e | 207 | Depending on the frame length defined by the M bit (8-bits or 9-bits), |
mbed_official | 354:e67efb2aab0e | 208 | the possible USART frame formats are as listed in the following table: |
mbed_official | 354:e67efb2aab0e | 209 | +-------------------------------------------------------------+ |
mbed_official | 354:e67efb2aab0e | 210 | | M bit | PCE bit | USART frame | |
mbed_official | 354:e67efb2aab0e | 211 | |---------------------|---------------------------------------| |
mbed_official | 354:e67efb2aab0e | 212 | | 0 | 0 | | SB | 8 bit data | STB | | |
mbed_official | 354:e67efb2aab0e | 213 | |---------|-----------|---------------------------------------| |
mbed_official | 354:e67efb2aab0e | 214 | | 0 | 1 | | SB | 7 bit data | PB | STB | | |
mbed_official | 354:e67efb2aab0e | 215 | |---------|-----------|---------------------------------------| |
mbed_official | 354:e67efb2aab0e | 216 | | 1 | 0 | | SB | 9 bit data | STB | | |
mbed_official | 354:e67efb2aab0e | 217 | |---------|-----------|---------------------------------------| |
mbed_official | 354:e67efb2aab0e | 218 | | 1 | 1 | | SB | 8 bit data | PB | STB | | |
mbed_official | 354:e67efb2aab0e | 219 | +-------------------------------------------------------------+ |
mbed_official | 354:e67efb2aab0e | 220 | (++) USART polarity |
mbed_official | 354:e67efb2aab0e | 221 | (++) USART phase |
mbed_official | 354:e67efb2aab0e | 222 | (++) USART LastBit |
mbed_official | 354:e67efb2aab0e | 223 | (++) Receiver/transmitter modes |
mbed_official | 354:e67efb2aab0e | 224 | |
mbed_official | 354:e67efb2aab0e | 225 | [..] |
mbed_official | 354:e67efb2aab0e | 226 | The HAL_USART_Init() function follows the USART synchronous configuration |
mbed_official | 354:e67efb2aab0e | 227 | procedure (details for the procedure are available in reference manual (RM0038)). |
mbed_official | 354:e67efb2aab0e | 228 | |
mbed_official | 354:e67efb2aab0e | 229 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 230 | * @{ |
mbed_official | 354:e67efb2aab0e | 231 | */ |
mbed_official | 354:e67efb2aab0e | 232 | |
mbed_official | 354:e67efb2aab0e | 233 | /** |
mbed_official | 354:e67efb2aab0e | 234 | * @brief Initializes the USART mode according to the specified |
mbed_official | 354:e67efb2aab0e | 235 | * parameters in the USART_InitTypeDef and create the associated handle. |
mbed_official | 354:e67efb2aab0e | 236 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 237 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 238 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 239 | */ |
mbed_official | 354:e67efb2aab0e | 240 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 241 | { |
mbed_official | 354:e67efb2aab0e | 242 | /* Check the USART handle allocation */ |
mbed_official | 354:e67efb2aab0e | 243 | if(husart == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 244 | { |
mbed_official | 354:e67efb2aab0e | 245 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 246 | } |
mbed_official | 354:e67efb2aab0e | 247 | |
mbed_official | 354:e67efb2aab0e | 248 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 249 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 354:e67efb2aab0e | 250 | |
mbed_official | 354:e67efb2aab0e | 251 | if(husart->State == HAL_USART_STATE_RESET) |
mbed_official | 354:e67efb2aab0e | 252 | { |
mbed_official | 354:e67efb2aab0e | 253 | /* Init the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 254 | HAL_USART_MspInit(husart); |
mbed_official | 354:e67efb2aab0e | 255 | } |
mbed_official | 354:e67efb2aab0e | 256 | |
mbed_official | 354:e67efb2aab0e | 257 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 258 | |
mbed_official | 354:e67efb2aab0e | 259 | /* Set the USART Communication parameters */ |
mbed_official | 354:e67efb2aab0e | 260 | USART_SetConfig(husart); |
mbed_official | 354:e67efb2aab0e | 261 | |
mbed_official | 354:e67efb2aab0e | 262 | /* In USART mode, the following bits must be kept cleared: |
mbed_official | 354:e67efb2aab0e | 263 | - LINEN bit in the USART_CR2 register |
mbed_official | 354:e67efb2aab0e | 264 | - HDSEL, SCEN and IREN bits in the USART_CR3 register */ |
mbed_official | 354:e67efb2aab0e | 265 | CLEAR_BIT(husart->Instance->CR2, USART_CR2_LINEN); |
mbed_official | 354:e67efb2aab0e | 266 | CLEAR_BIT(husart->Instance->CR3, (USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL)); |
mbed_official | 354:e67efb2aab0e | 267 | |
mbed_official | 354:e67efb2aab0e | 268 | /* Enable the Peripheral */ |
mbed_official | 354:e67efb2aab0e | 269 | __HAL_USART_ENABLE(husart); |
mbed_official | 354:e67efb2aab0e | 270 | |
mbed_official | 354:e67efb2aab0e | 271 | /* Initialize the USART state */ |
mbed_official | 354:e67efb2aab0e | 272 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 273 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 274 | |
mbed_official | 354:e67efb2aab0e | 275 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 276 | } |
mbed_official | 354:e67efb2aab0e | 277 | |
mbed_official | 354:e67efb2aab0e | 278 | /** |
mbed_official | 354:e67efb2aab0e | 279 | * @brief DeInitializes the USART peripheral. |
mbed_official | 354:e67efb2aab0e | 280 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 281 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 282 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 283 | */ |
mbed_official | 354:e67efb2aab0e | 284 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 285 | { |
mbed_official | 354:e67efb2aab0e | 286 | /* Check the USART handle allocation */ |
mbed_official | 354:e67efb2aab0e | 287 | if(husart == HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 288 | { |
mbed_official | 354:e67efb2aab0e | 289 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 290 | } |
mbed_official | 354:e67efb2aab0e | 291 | |
mbed_official | 354:e67efb2aab0e | 292 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 293 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 354:e67efb2aab0e | 294 | |
mbed_official | 354:e67efb2aab0e | 295 | husart->State = HAL_USART_STATE_BUSY; |
mbed_official | 354:e67efb2aab0e | 296 | |
mbed_official | 354:e67efb2aab0e | 297 | /* Disable the Peripheral */ |
mbed_official | 354:e67efb2aab0e | 298 | __HAL_USART_DISABLE(husart); |
mbed_official | 354:e67efb2aab0e | 299 | |
mbed_official | 354:e67efb2aab0e | 300 | /* DeInit the low level hardware */ |
mbed_official | 354:e67efb2aab0e | 301 | HAL_USART_MspDeInit(husart); |
mbed_official | 354:e67efb2aab0e | 302 | |
mbed_official | 354:e67efb2aab0e | 303 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 304 | husart->State = HAL_USART_STATE_RESET; |
mbed_official | 354:e67efb2aab0e | 305 | |
mbed_official | 354:e67efb2aab0e | 306 | /* Release Lock */ |
mbed_official | 354:e67efb2aab0e | 307 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 308 | |
mbed_official | 354:e67efb2aab0e | 309 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 310 | } |
mbed_official | 354:e67efb2aab0e | 311 | |
mbed_official | 354:e67efb2aab0e | 312 | /** |
mbed_official | 354:e67efb2aab0e | 313 | * @brief USART MSP Init. |
mbed_official | 354:e67efb2aab0e | 314 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 315 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 316 | * @retval None |
mbed_official | 354:e67efb2aab0e | 317 | */ |
mbed_official | 354:e67efb2aab0e | 318 | __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 319 | { |
mbed_official | 354:e67efb2aab0e | 320 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 321 | the HAL_USART_MspInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 322 | */ |
mbed_official | 354:e67efb2aab0e | 323 | } |
mbed_official | 354:e67efb2aab0e | 324 | |
mbed_official | 354:e67efb2aab0e | 325 | /** |
mbed_official | 354:e67efb2aab0e | 326 | * @brief USART MSP DeInit. |
mbed_official | 354:e67efb2aab0e | 327 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 328 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 329 | * @retval None |
mbed_official | 354:e67efb2aab0e | 330 | */ |
mbed_official | 354:e67efb2aab0e | 331 | __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 332 | { |
mbed_official | 354:e67efb2aab0e | 333 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 334 | the HAL_USART_MspDeInit could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 335 | */ |
mbed_official | 354:e67efb2aab0e | 336 | } |
mbed_official | 354:e67efb2aab0e | 337 | |
mbed_official | 354:e67efb2aab0e | 338 | /** |
mbed_official | 354:e67efb2aab0e | 339 | * @} |
mbed_official | 354:e67efb2aab0e | 340 | */ |
mbed_official | 354:e67efb2aab0e | 341 | |
mbed_official | 354:e67efb2aab0e | 342 | /** @defgroup USART_Exported_Functions_Group2 IO operation functions |
mbed_official | 354:e67efb2aab0e | 343 | * @brief USART Transmit and Receive functions |
mbed_official | 354:e67efb2aab0e | 344 | * |
mbed_official | 354:e67efb2aab0e | 345 | @verbatim |
mbed_official | 354:e67efb2aab0e | 346 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 347 | ##### IO operation functions ##### |
mbed_official | 354:e67efb2aab0e | 348 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 349 | [..] |
mbed_official | 354:e67efb2aab0e | 350 | This subsection provides a set of functions allowing to manage the USART synchronous |
mbed_official | 354:e67efb2aab0e | 351 | data transfers. |
mbed_official | 354:e67efb2aab0e | 352 | |
mbed_official | 354:e67efb2aab0e | 353 | [..] |
mbed_official | 354:e67efb2aab0e | 354 | The USART supports master mode only: it cannot receive or send data related to an input |
mbed_official | 354:e67efb2aab0e | 355 | clock (SCLK is always an output). |
mbed_official | 354:e67efb2aab0e | 356 | |
mbed_official | 354:e67efb2aab0e | 357 | (#) There are two modes of transfer: |
mbed_official | 354:e67efb2aab0e | 358 | (++) Blocking mode: The communication is performed in polling mode. |
mbed_official | 354:e67efb2aab0e | 359 | The HAL status of all data processing is returned by the same function |
mbed_official | 354:e67efb2aab0e | 360 | after finishing transfer. |
mbed_official | 354:e67efb2aab0e | 361 | (++) No-Blocking mode: The communication is performed using Interrupts |
mbed_official | 354:e67efb2aab0e | 362 | or DMA, These API's return the HAL status. |
mbed_official | 354:e67efb2aab0e | 363 | The end of the data processing will be indicated through the |
mbed_official | 354:e67efb2aab0e | 364 | dedicated USART IRQ when using Interrupt mode or the DMA IRQ when |
mbed_official | 354:e67efb2aab0e | 365 | using DMA mode. |
mbed_official | 354:e67efb2aab0e | 366 | The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() |
mbed_official | 354:e67efb2aab0e | 367 | user callbacks |
mbed_official | 354:e67efb2aab0e | 368 | will be executed respectivelly at the end of the transmit or Receive process |
mbed_official | 354:e67efb2aab0e | 369 | The HAL_USART_ErrorCallback() user callback will be executed when a communication |
mbed_official | 354:e67efb2aab0e | 370 | error is detected |
mbed_official | 354:e67efb2aab0e | 371 | |
mbed_official | 354:e67efb2aab0e | 372 | (#) Blocking mode APIs are : |
mbed_official | 354:e67efb2aab0e | 373 | (++) HAL_USART_Transmit() in simplex mode |
mbed_official | 354:e67efb2aab0e | 374 | (++) HAL_USART_Receive() in full duplex receive only |
mbed_official | 354:e67efb2aab0e | 375 | (++) HAL_USART_TransmitReceive() in full duplex mode |
mbed_official | 354:e67efb2aab0e | 376 | |
mbed_official | 354:e67efb2aab0e | 377 | (#) Non Blocking mode APIs with Interrupt are : |
mbed_official | 354:e67efb2aab0e | 378 | (++) HAL_USART_Transmit_IT()in simplex mode |
mbed_official | 354:e67efb2aab0e | 379 | (++) HAL_USART_Receive_IT() in full duplex receive only |
mbed_official | 354:e67efb2aab0e | 380 | (++) HAL_USART_TransmitReceive_IT() in full duplex mode |
mbed_official | 354:e67efb2aab0e | 381 | (++) HAL_USART_IRQHandler() |
mbed_official | 354:e67efb2aab0e | 382 | |
mbed_official | 354:e67efb2aab0e | 383 | (#) Non Blocking mode functions with DMA are : |
mbed_official | 354:e67efb2aab0e | 384 | (++) HAL_USART_Transmit_DMA()in simplex mode |
mbed_official | 354:e67efb2aab0e | 385 | (++) HAL_USART_Receive_DMA() in full duplex receive only |
mbed_official | 354:e67efb2aab0e | 386 | (++) HAL_USART_TransmitReceive_DMA() in full duplex mode |
mbed_official | 354:e67efb2aab0e | 387 | (++) HAL_USART_DMAPause() |
mbed_official | 354:e67efb2aab0e | 388 | (++) HAL_USART_DMAResume() |
mbed_official | 354:e67efb2aab0e | 389 | (++) HAL_USART_DMAStop() |
mbed_official | 354:e67efb2aab0e | 390 | |
mbed_official | 354:e67efb2aab0e | 391 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
mbed_official | 354:e67efb2aab0e | 392 | (++) HAL_USART_TxHalfCpltCallback() |
mbed_official | 354:e67efb2aab0e | 393 | (++) HAL_USART_TxCpltCallback() |
mbed_official | 354:e67efb2aab0e | 394 | (++) HAL_USART_RxHalfCpltCallback() |
mbed_official | 354:e67efb2aab0e | 395 | (++) HAL_USART_RxCpltCallback() |
mbed_official | 354:e67efb2aab0e | 396 | (++) HAL_USART_ErrorCallback() |
mbed_official | 354:e67efb2aab0e | 397 | (++) HAL_USART_TxRxCpltCallback() |
mbed_official | 354:e67efb2aab0e | 398 | |
mbed_official | 354:e67efb2aab0e | 399 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 400 | * @{ |
mbed_official | 354:e67efb2aab0e | 401 | */ |
mbed_official | 354:e67efb2aab0e | 402 | |
mbed_official | 354:e67efb2aab0e | 403 | /** |
mbed_official | 354:e67efb2aab0e | 404 | * @brief Simplex Send an amount of data in blocking mode. |
mbed_official | 354:e67efb2aab0e | 405 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 406 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 407 | * @param pTxData: Pointer to data buffer |
mbed_official | 354:e67efb2aab0e | 408 | * @param Size: Amount of data to be sent |
mbed_official | 354:e67efb2aab0e | 409 | * @param Timeout: Timeout duration |
mbed_official | 354:e67efb2aab0e | 410 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 411 | */ |
mbed_official | 354:e67efb2aab0e | 412 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 354:e67efb2aab0e | 413 | { |
mbed_official | 354:e67efb2aab0e | 414 | uint16_t* tmp=0; |
mbed_official | 354:e67efb2aab0e | 415 | |
mbed_official | 354:e67efb2aab0e | 416 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 417 | { |
mbed_official | 354:e67efb2aab0e | 418 | if((pTxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 419 | { |
mbed_official | 354:e67efb2aab0e | 420 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 421 | } |
mbed_official | 354:e67efb2aab0e | 422 | |
mbed_official | 354:e67efb2aab0e | 423 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 424 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 425 | |
mbed_official | 354:e67efb2aab0e | 426 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 427 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 354:e67efb2aab0e | 428 | |
mbed_official | 354:e67efb2aab0e | 429 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 430 | husart->TxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 431 | while(husart->TxXferCount > 0) |
mbed_official | 354:e67efb2aab0e | 432 | { |
mbed_official | 354:e67efb2aab0e | 433 | husart->TxXferCount--; |
mbed_official | 354:e67efb2aab0e | 434 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 435 | { |
mbed_official | 354:e67efb2aab0e | 436 | /* Wait for TC flag in order to write data in DR */ |
mbed_official | 354:e67efb2aab0e | 437 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 438 | { |
mbed_official | 354:e67efb2aab0e | 439 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 440 | } |
mbed_official | 354:e67efb2aab0e | 441 | tmp = (uint16_t*) pTxData; |
mbed_official | 354:e67efb2aab0e | 442 | WRITE_REG(husart->Instance->DR, (*tmp & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 443 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 444 | { |
mbed_official | 354:e67efb2aab0e | 445 | pTxData += 2; |
mbed_official | 354:e67efb2aab0e | 446 | } |
mbed_official | 354:e67efb2aab0e | 447 | else |
mbed_official | 354:e67efb2aab0e | 448 | { |
mbed_official | 354:e67efb2aab0e | 449 | pTxData += 1; |
mbed_official | 354:e67efb2aab0e | 450 | } |
mbed_official | 354:e67efb2aab0e | 451 | } |
mbed_official | 354:e67efb2aab0e | 452 | else |
mbed_official | 354:e67efb2aab0e | 453 | { |
mbed_official | 354:e67efb2aab0e | 454 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 455 | { |
mbed_official | 354:e67efb2aab0e | 456 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 457 | } |
mbed_official | 354:e67efb2aab0e | 458 | WRITE_REG(husart->Instance->DR, (*pTxData++ & (uint8_t)0xFF)); |
mbed_official | 354:e67efb2aab0e | 459 | } |
mbed_official | 354:e67efb2aab0e | 460 | } |
mbed_official | 354:e67efb2aab0e | 461 | |
mbed_official | 354:e67efb2aab0e | 462 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 463 | { |
mbed_official | 354:e67efb2aab0e | 464 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 465 | } |
mbed_official | 354:e67efb2aab0e | 466 | |
mbed_official | 354:e67efb2aab0e | 467 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 468 | |
mbed_official | 354:e67efb2aab0e | 469 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 470 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 471 | |
mbed_official | 354:e67efb2aab0e | 472 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 473 | } |
mbed_official | 354:e67efb2aab0e | 474 | else |
mbed_official | 354:e67efb2aab0e | 475 | { |
mbed_official | 354:e67efb2aab0e | 476 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 477 | } |
mbed_official | 354:e67efb2aab0e | 478 | } |
mbed_official | 354:e67efb2aab0e | 479 | |
mbed_official | 354:e67efb2aab0e | 480 | /** |
mbed_official | 354:e67efb2aab0e | 481 | * @brief Full-Duplex Receive an amount of data in blocking mode. |
mbed_official | 354:e67efb2aab0e | 482 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 483 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 484 | * @param pRxData: Pointer to data buffer |
mbed_official | 354:e67efb2aab0e | 485 | * @param Size: Amount of data to be received |
mbed_official | 354:e67efb2aab0e | 486 | * @param Timeout: Timeout duration |
mbed_official | 354:e67efb2aab0e | 487 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 488 | */ |
mbed_official | 354:e67efb2aab0e | 489 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 354:e67efb2aab0e | 490 | { |
mbed_official | 354:e67efb2aab0e | 491 | uint16_t* tmp=0; |
mbed_official | 354:e67efb2aab0e | 492 | |
mbed_official | 354:e67efb2aab0e | 493 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 494 | { |
mbed_official | 354:e67efb2aab0e | 495 | if((pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 496 | { |
mbed_official | 354:e67efb2aab0e | 497 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 498 | } |
mbed_official | 354:e67efb2aab0e | 499 | |
mbed_official | 354:e67efb2aab0e | 500 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 501 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 502 | |
mbed_official | 354:e67efb2aab0e | 503 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 504 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 354:e67efb2aab0e | 505 | |
mbed_official | 354:e67efb2aab0e | 506 | husart->RxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 507 | husart->RxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 508 | /* Check the remain data to be received */ |
mbed_official | 354:e67efb2aab0e | 509 | while(husart->RxXferCount > 0) |
mbed_official | 354:e67efb2aab0e | 510 | { |
mbed_official | 354:e67efb2aab0e | 511 | husart->RxXferCount--; |
mbed_official | 354:e67efb2aab0e | 512 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 513 | { |
mbed_official | 354:e67efb2aab0e | 514 | /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ |
mbed_official | 354:e67efb2aab0e | 515 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 516 | { |
mbed_official | 354:e67efb2aab0e | 517 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 518 | } |
mbed_official | 354:e67efb2aab0e | 519 | /* Send dummy byte in order to generate clock */ |
mbed_official | 354:e67efb2aab0e | 520 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 521 | |
mbed_official | 354:e67efb2aab0e | 522 | /* Wait for RXNE Flag */ |
mbed_official | 354:e67efb2aab0e | 523 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 524 | { |
mbed_official | 354:e67efb2aab0e | 525 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 526 | } |
mbed_official | 354:e67efb2aab0e | 527 | tmp = (uint16_t*) pRxData ; |
mbed_official | 354:e67efb2aab0e | 528 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 529 | { |
mbed_official | 354:e67efb2aab0e | 530 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
mbed_official | 354:e67efb2aab0e | 531 | pRxData +=2; |
mbed_official | 354:e67efb2aab0e | 532 | } |
mbed_official | 354:e67efb2aab0e | 533 | else |
mbed_official | 354:e67efb2aab0e | 534 | { |
mbed_official | 354:e67efb2aab0e | 535 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 536 | pRxData +=1; |
mbed_official | 354:e67efb2aab0e | 537 | } |
mbed_official | 354:e67efb2aab0e | 538 | } |
mbed_official | 354:e67efb2aab0e | 539 | else |
mbed_official | 354:e67efb2aab0e | 540 | { |
mbed_official | 354:e67efb2aab0e | 541 | /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ |
mbed_official | 354:e67efb2aab0e | 542 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 543 | { |
mbed_official | 354:e67efb2aab0e | 544 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 545 | } |
mbed_official | 354:e67efb2aab0e | 546 | |
mbed_official | 354:e67efb2aab0e | 547 | /* Send Dummy Byte in order to generate clock */ |
mbed_official | 354:e67efb2aab0e | 548 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x00FF)); |
mbed_official | 354:e67efb2aab0e | 549 | |
mbed_official | 354:e67efb2aab0e | 550 | /* Wait until RXNE flag is set to receive the byte */ |
mbed_official | 354:e67efb2aab0e | 551 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 552 | { |
mbed_official | 354:e67efb2aab0e | 553 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 554 | } |
mbed_official | 354:e67efb2aab0e | 555 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 556 | { |
mbed_official | 354:e67efb2aab0e | 557 | /* Receive data */ |
mbed_official | 354:e67efb2aab0e | 558 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 559 | } |
mbed_official | 354:e67efb2aab0e | 560 | else |
mbed_official | 354:e67efb2aab0e | 561 | { |
mbed_official | 354:e67efb2aab0e | 562 | /* Receive data */ |
mbed_official | 354:e67efb2aab0e | 563 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
mbed_official | 354:e67efb2aab0e | 564 | } |
mbed_official | 354:e67efb2aab0e | 565 | |
mbed_official | 354:e67efb2aab0e | 566 | } |
mbed_official | 354:e67efb2aab0e | 567 | } |
mbed_official | 354:e67efb2aab0e | 568 | |
mbed_official | 354:e67efb2aab0e | 569 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 570 | |
mbed_official | 354:e67efb2aab0e | 571 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 572 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 573 | |
mbed_official | 354:e67efb2aab0e | 574 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 575 | } |
mbed_official | 354:e67efb2aab0e | 576 | else |
mbed_official | 354:e67efb2aab0e | 577 | { |
mbed_official | 354:e67efb2aab0e | 578 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 579 | } |
mbed_official | 354:e67efb2aab0e | 580 | } |
mbed_official | 354:e67efb2aab0e | 581 | |
mbed_official | 354:e67efb2aab0e | 582 | /** |
mbed_official | 354:e67efb2aab0e | 583 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (blocking mode). |
mbed_official | 354:e67efb2aab0e | 584 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 585 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 586 | * @param pTxData: Pointer to data transmitted buffer |
mbed_official | 354:e67efb2aab0e | 587 | * @param pRxData: Pointer to data received buffer |
mbed_official | 354:e67efb2aab0e | 588 | * @param Size: Amount of data to be sent |
mbed_official | 354:e67efb2aab0e | 589 | * @param Timeout: Timeout duration |
mbed_official | 354:e67efb2aab0e | 590 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 591 | */ |
mbed_official | 354:e67efb2aab0e | 592 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
mbed_official | 354:e67efb2aab0e | 593 | { |
mbed_official | 354:e67efb2aab0e | 594 | uint16_t* tmp=0; |
mbed_official | 354:e67efb2aab0e | 595 | |
mbed_official | 354:e67efb2aab0e | 596 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 597 | { |
mbed_official | 354:e67efb2aab0e | 598 | if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 599 | { |
mbed_official | 354:e67efb2aab0e | 600 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 601 | } |
mbed_official | 354:e67efb2aab0e | 602 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 603 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 604 | |
mbed_official | 354:e67efb2aab0e | 605 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 606 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 354:e67efb2aab0e | 607 | |
mbed_official | 354:e67efb2aab0e | 608 | husart->RxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 609 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 610 | husart->TxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 611 | husart->RxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 612 | |
mbed_official | 354:e67efb2aab0e | 613 | /* Check the remain data to be received */ |
mbed_official | 354:e67efb2aab0e | 614 | while(husart->TxXferCount > 0) |
mbed_official | 354:e67efb2aab0e | 615 | { |
mbed_official | 354:e67efb2aab0e | 616 | husart->TxXferCount--; |
mbed_official | 354:e67efb2aab0e | 617 | husart->RxXferCount--; |
mbed_official | 354:e67efb2aab0e | 618 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 619 | { |
mbed_official | 354:e67efb2aab0e | 620 | /* Wait for TC flag in order to write data in DR */ |
mbed_official | 354:e67efb2aab0e | 621 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 622 | { |
mbed_official | 354:e67efb2aab0e | 623 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 624 | } |
mbed_official | 354:e67efb2aab0e | 625 | tmp = (uint16_t*) pTxData; |
mbed_official | 354:e67efb2aab0e | 626 | WRITE_REG(husart->Instance->DR, (*tmp & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 627 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 628 | { |
mbed_official | 354:e67efb2aab0e | 629 | pTxData += 2; |
mbed_official | 354:e67efb2aab0e | 630 | } |
mbed_official | 354:e67efb2aab0e | 631 | else |
mbed_official | 354:e67efb2aab0e | 632 | { |
mbed_official | 354:e67efb2aab0e | 633 | pTxData += 1; |
mbed_official | 354:e67efb2aab0e | 634 | } |
mbed_official | 354:e67efb2aab0e | 635 | |
mbed_official | 354:e67efb2aab0e | 636 | /* Wait for RXNE Flag */ |
mbed_official | 354:e67efb2aab0e | 637 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 638 | { |
mbed_official | 354:e67efb2aab0e | 639 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 640 | } |
mbed_official | 354:e67efb2aab0e | 641 | tmp = (uint16_t*) pRxData ; |
mbed_official | 354:e67efb2aab0e | 642 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 643 | { |
mbed_official | 354:e67efb2aab0e | 644 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
mbed_official | 354:e67efb2aab0e | 645 | pRxData += 2; |
mbed_official | 354:e67efb2aab0e | 646 | } |
mbed_official | 354:e67efb2aab0e | 647 | else |
mbed_official | 354:e67efb2aab0e | 648 | { |
mbed_official | 354:e67efb2aab0e | 649 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 650 | pRxData += 1; |
mbed_official | 354:e67efb2aab0e | 651 | } |
mbed_official | 354:e67efb2aab0e | 652 | } |
mbed_official | 354:e67efb2aab0e | 653 | else |
mbed_official | 354:e67efb2aab0e | 654 | { |
mbed_official | 354:e67efb2aab0e | 655 | /* Wait for TC flag in order to write data in DR */ |
mbed_official | 354:e67efb2aab0e | 656 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 657 | { |
mbed_official | 354:e67efb2aab0e | 658 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 659 | } |
mbed_official | 354:e67efb2aab0e | 660 | WRITE_REG(husart->Instance->DR, (*pTxData++ & (uint8_t)0x00FF)); |
mbed_official | 354:e67efb2aab0e | 661 | |
mbed_official | 354:e67efb2aab0e | 662 | /* Wait for RXNE Flag */ |
mbed_official | 354:e67efb2aab0e | 663 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 664 | { |
mbed_official | 354:e67efb2aab0e | 665 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 666 | } |
mbed_official | 354:e67efb2aab0e | 667 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 668 | { |
mbed_official | 354:e67efb2aab0e | 669 | /* Receive data */ |
mbed_official | 354:e67efb2aab0e | 670 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 671 | } |
mbed_official | 354:e67efb2aab0e | 672 | else |
mbed_official | 354:e67efb2aab0e | 673 | { |
mbed_official | 354:e67efb2aab0e | 674 | /* Receive data */ |
mbed_official | 354:e67efb2aab0e | 675 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
mbed_official | 354:e67efb2aab0e | 676 | } |
mbed_official | 354:e67efb2aab0e | 677 | } |
mbed_official | 354:e67efb2aab0e | 678 | } |
mbed_official | 354:e67efb2aab0e | 679 | |
mbed_official | 354:e67efb2aab0e | 680 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 681 | |
mbed_official | 354:e67efb2aab0e | 682 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 683 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 684 | |
mbed_official | 354:e67efb2aab0e | 685 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 686 | } |
mbed_official | 354:e67efb2aab0e | 687 | else |
mbed_official | 354:e67efb2aab0e | 688 | { |
mbed_official | 354:e67efb2aab0e | 689 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 690 | } |
mbed_official | 354:e67efb2aab0e | 691 | } |
mbed_official | 354:e67efb2aab0e | 692 | |
mbed_official | 354:e67efb2aab0e | 693 | /** |
mbed_official | 354:e67efb2aab0e | 694 | * @brief Simplex Send an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 695 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 696 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 697 | * @param pTxData: Pointer to data buffer |
mbed_official | 354:e67efb2aab0e | 698 | * @param Size: Amount of data to be sent |
mbed_official | 354:e67efb2aab0e | 699 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 700 | * @note The USART errors are not managed to avoid the overrun error. |
mbed_official | 354:e67efb2aab0e | 701 | */ |
mbed_official | 354:e67efb2aab0e | 702 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 354:e67efb2aab0e | 703 | { |
mbed_official | 354:e67efb2aab0e | 704 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 705 | { |
mbed_official | 354:e67efb2aab0e | 706 | if((pTxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 707 | { |
mbed_official | 354:e67efb2aab0e | 708 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 709 | } |
mbed_official | 354:e67efb2aab0e | 710 | |
mbed_official | 354:e67efb2aab0e | 711 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 712 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 713 | |
mbed_official | 354:e67efb2aab0e | 714 | husart->pTxBuffPtr = pTxData; |
mbed_official | 354:e67efb2aab0e | 715 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 716 | husart->TxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 717 | |
mbed_official | 354:e67efb2aab0e | 718 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 719 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 354:e67efb2aab0e | 720 | |
mbed_official | 354:e67efb2aab0e | 721 | /* The USART Error Interrupts: (Frame error, Noise error, Overrun error) |
mbed_official | 354:e67efb2aab0e | 722 | are not managed by the USART transmit process to avoid the overrun interrupt |
mbed_official | 354:e67efb2aab0e | 723 | when the USART mode is configured for transmit and receive "USART_MODE_TX_RX" |
mbed_official | 354:e67efb2aab0e | 724 | to benefit for the frame error and noise interrupts the USART mode should be |
mbed_official | 354:e67efb2aab0e | 725 | configured only for transmit "USART_MODE_TX" |
mbed_official | 354:e67efb2aab0e | 726 | The __HAL_USART_ENABLE_IT(husart, USART_IT_ERR) can be used to enable the Frame error, |
mbed_official | 354:e67efb2aab0e | 727 | Noise error interrupt */ |
mbed_official | 354:e67efb2aab0e | 728 | |
mbed_official | 354:e67efb2aab0e | 729 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 730 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 731 | |
mbed_official | 354:e67efb2aab0e | 732 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 354:e67efb2aab0e | 733 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 734 | |
mbed_official | 354:e67efb2aab0e | 735 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 736 | } |
mbed_official | 354:e67efb2aab0e | 737 | else |
mbed_official | 354:e67efb2aab0e | 738 | { |
mbed_official | 354:e67efb2aab0e | 739 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 740 | } |
mbed_official | 354:e67efb2aab0e | 741 | } |
mbed_official | 354:e67efb2aab0e | 742 | |
mbed_official | 354:e67efb2aab0e | 743 | /** |
mbed_official | 354:e67efb2aab0e | 744 | * @brief Simplex Receive an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 745 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 746 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 747 | * @param pRxData: Pointer to data buffer |
mbed_official | 354:e67efb2aab0e | 748 | * @param Size: Amount of data to be received |
mbed_official | 354:e67efb2aab0e | 749 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 750 | */ |
mbed_official | 354:e67efb2aab0e | 751 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 354:e67efb2aab0e | 752 | { |
mbed_official | 354:e67efb2aab0e | 753 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 754 | { |
mbed_official | 354:e67efb2aab0e | 755 | if((pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 756 | { |
mbed_official | 354:e67efb2aab0e | 757 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 758 | } |
mbed_official | 354:e67efb2aab0e | 759 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 760 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 761 | |
mbed_official | 354:e67efb2aab0e | 762 | husart->pRxBuffPtr = pRxData; |
mbed_official | 354:e67efb2aab0e | 763 | husart->RxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 764 | husart->RxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 765 | |
mbed_official | 354:e67efb2aab0e | 766 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 767 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 354:e67efb2aab0e | 768 | |
mbed_official | 354:e67efb2aab0e | 769 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 354:e67efb2aab0e | 770 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 771 | |
mbed_official | 354:e67efb2aab0e | 772 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 354:e67efb2aab0e | 773 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 774 | |
mbed_official | 354:e67efb2aab0e | 775 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 354:e67efb2aab0e | 776 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 777 | |
mbed_official | 354:e67efb2aab0e | 778 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 779 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 780 | |
mbed_official | 354:e67efb2aab0e | 781 | /* Send dummy byte in order to generate the clock for the slave to send data */ |
mbed_official | 354:e67efb2aab0e | 782 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 783 | |
mbed_official | 354:e67efb2aab0e | 784 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 785 | } |
mbed_official | 354:e67efb2aab0e | 786 | else |
mbed_official | 354:e67efb2aab0e | 787 | { |
mbed_official | 354:e67efb2aab0e | 788 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 789 | } |
mbed_official | 354:e67efb2aab0e | 790 | } |
mbed_official | 354:e67efb2aab0e | 791 | |
mbed_official | 354:e67efb2aab0e | 792 | /** |
mbed_official | 354:e67efb2aab0e | 793 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
mbed_official | 354:e67efb2aab0e | 794 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 795 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 796 | * @param pTxData: Pointer to data transmitted buffer |
mbed_official | 354:e67efb2aab0e | 797 | * @param pRxData: Pointer to data received buffer |
mbed_official | 354:e67efb2aab0e | 798 | * @param Size: Amount of data to be received |
mbed_official | 354:e67efb2aab0e | 799 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 800 | */ |
mbed_official | 354:e67efb2aab0e | 801 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 354:e67efb2aab0e | 802 | { |
mbed_official | 354:e67efb2aab0e | 803 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 804 | { |
mbed_official | 354:e67efb2aab0e | 805 | if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 806 | { |
mbed_official | 354:e67efb2aab0e | 807 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 808 | } |
mbed_official | 354:e67efb2aab0e | 809 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 810 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 811 | |
mbed_official | 354:e67efb2aab0e | 812 | husart->pRxBuffPtr = pRxData; |
mbed_official | 354:e67efb2aab0e | 813 | husart->RxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 814 | husart->RxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 815 | husart->pTxBuffPtr = pTxData; |
mbed_official | 354:e67efb2aab0e | 816 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 817 | husart->TxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 818 | |
mbed_official | 354:e67efb2aab0e | 819 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 820 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 354:e67efb2aab0e | 821 | |
mbed_official | 354:e67efb2aab0e | 822 | /* Enable the USART Data Register not empty Interrupt */ |
mbed_official | 354:e67efb2aab0e | 823 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 824 | |
mbed_official | 354:e67efb2aab0e | 825 | /* Enable the USART Parity Error Interrupt */ |
mbed_official | 354:e67efb2aab0e | 826 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 827 | |
mbed_official | 354:e67efb2aab0e | 828 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 354:e67efb2aab0e | 829 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 830 | |
mbed_official | 354:e67efb2aab0e | 831 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 832 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 833 | |
mbed_official | 354:e67efb2aab0e | 834 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
mbed_official | 354:e67efb2aab0e | 835 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 836 | |
mbed_official | 354:e67efb2aab0e | 837 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 838 | } |
mbed_official | 354:e67efb2aab0e | 839 | else |
mbed_official | 354:e67efb2aab0e | 840 | { |
mbed_official | 354:e67efb2aab0e | 841 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 842 | } |
mbed_official | 354:e67efb2aab0e | 843 | } |
mbed_official | 354:e67efb2aab0e | 844 | |
mbed_official | 354:e67efb2aab0e | 845 | /** |
mbed_official | 354:e67efb2aab0e | 846 | * @brief Simplex Send an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 847 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 848 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 849 | * @param pTxData: Pointer to data buffer |
mbed_official | 354:e67efb2aab0e | 850 | * @param Size: Amount of data to be sent |
mbed_official | 354:e67efb2aab0e | 851 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 852 | */ |
mbed_official | 354:e67efb2aab0e | 853 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
mbed_official | 354:e67efb2aab0e | 854 | { |
mbed_official | 354:e67efb2aab0e | 855 | uint32_t *tmp=0; |
mbed_official | 354:e67efb2aab0e | 856 | |
mbed_official | 354:e67efb2aab0e | 857 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 858 | { |
mbed_official | 354:e67efb2aab0e | 859 | if((pTxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 860 | { |
mbed_official | 354:e67efb2aab0e | 861 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 862 | } |
mbed_official | 354:e67efb2aab0e | 863 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 864 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 865 | |
mbed_official | 354:e67efb2aab0e | 866 | husart->pTxBuffPtr = pTxData; |
mbed_official | 354:e67efb2aab0e | 867 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 868 | husart->TxXferCount = Size; |
mbed_official | 354:e67efb2aab0e | 869 | |
mbed_official | 354:e67efb2aab0e | 870 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 871 | husart->State = HAL_USART_STATE_BUSY_TX; |
mbed_official | 354:e67efb2aab0e | 872 | |
mbed_official | 354:e67efb2aab0e | 873 | /* Set the USART DMA transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 874 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 354:e67efb2aab0e | 875 | |
mbed_official | 354:e67efb2aab0e | 876 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 877 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 354:e67efb2aab0e | 878 | |
mbed_official | 354:e67efb2aab0e | 879 | /* Set the DMA error callback */ |
mbed_official | 354:e67efb2aab0e | 880 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 354:e67efb2aab0e | 881 | |
mbed_official | 354:e67efb2aab0e | 882 | /* Enable the USART transmit DMA channel */ |
mbed_official | 354:e67efb2aab0e | 883 | tmp = (uint32_t*)&pTxData; |
mbed_official | 354:e67efb2aab0e | 884 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
mbed_official | 354:e67efb2aab0e | 885 | |
mbed_official | 354:e67efb2aab0e | 886 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 354:e67efb2aab0e | 887 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 888 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 889 | |
mbed_official | 354:e67efb2aab0e | 890 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 891 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 892 | |
mbed_official | 354:e67efb2aab0e | 893 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 894 | } |
mbed_official | 354:e67efb2aab0e | 895 | else |
mbed_official | 354:e67efb2aab0e | 896 | { |
mbed_official | 354:e67efb2aab0e | 897 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 898 | } |
mbed_official | 354:e67efb2aab0e | 899 | } |
mbed_official | 354:e67efb2aab0e | 900 | |
mbed_official | 354:e67efb2aab0e | 901 | /** |
mbed_official | 354:e67efb2aab0e | 902 | * @brief Full-Duplex Receive an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 903 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 904 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 905 | * @param pRxData: Pointer to data buffer |
mbed_official | 354:e67efb2aab0e | 906 | * @param Size: Amount of data to be received |
mbed_official | 354:e67efb2aab0e | 907 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 908 | * @note The USART DMA transmit channel must be configured in order to generate the clock for the slave. |
mbed_official | 354:e67efb2aab0e | 909 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
mbed_official | 354:e67efb2aab0e | 910 | */ |
mbed_official | 354:e67efb2aab0e | 911 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
mbed_official | 354:e67efb2aab0e | 912 | { |
mbed_official | 354:e67efb2aab0e | 913 | uint32_t *tmp=0; |
mbed_official | 354:e67efb2aab0e | 914 | |
mbed_official | 354:e67efb2aab0e | 915 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 916 | { |
mbed_official | 354:e67efb2aab0e | 917 | if((pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 918 | { |
mbed_official | 354:e67efb2aab0e | 919 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 920 | } |
mbed_official | 354:e67efb2aab0e | 921 | |
mbed_official | 354:e67efb2aab0e | 922 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 923 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 924 | |
mbed_official | 354:e67efb2aab0e | 925 | husart->pRxBuffPtr = pRxData; |
mbed_official | 354:e67efb2aab0e | 926 | husart->RxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 927 | husart->pTxBuffPtr = pRxData; |
mbed_official | 354:e67efb2aab0e | 928 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 929 | |
mbed_official | 354:e67efb2aab0e | 930 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 931 | husart->State = HAL_USART_STATE_BUSY_RX; |
mbed_official | 354:e67efb2aab0e | 932 | |
mbed_official | 354:e67efb2aab0e | 933 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 934 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 354:e67efb2aab0e | 935 | |
mbed_official | 354:e67efb2aab0e | 936 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 937 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 354:e67efb2aab0e | 938 | |
mbed_official | 354:e67efb2aab0e | 939 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 354:e67efb2aab0e | 940 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 354:e67efb2aab0e | 941 | |
mbed_official | 354:e67efb2aab0e | 942 | /* Enable the USART receive DMA channel */ |
mbed_official | 354:e67efb2aab0e | 943 | tmp = (uint32_t*)&pRxData; |
mbed_official | 354:e67efb2aab0e | 944 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t*)tmp, Size); |
mbed_official | 354:e67efb2aab0e | 945 | |
mbed_official | 354:e67efb2aab0e | 946 | /* Enable the USART transmit DMA channel: the transmit channel is used in order |
mbed_official | 354:e67efb2aab0e | 947 | to generate in the non-blocking mode the clock to the slave device, |
mbed_official | 354:e67efb2aab0e | 948 | this mode isn't a simplex receive mode but a full-duplex receive one */ |
mbed_official | 354:e67efb2aab0e | 949 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
mbed_official | 354:e67efb2aab0e | 950 | |
mbed_official | 354:e67efb2aab0e | 951 | /* Clear the Overrun flag just before enabling the DMA Rx request: mandatory for the second transfer |
mbed_official | 354:e67efb2aab0e | 952 | when using the USART in circular mode */ |
mbed_official | 354:e67efb2aab0e | 953 | __HAL_USART_CLEAR_OREFLAG(husart); |
mbed_official | 354:e67efb2aab0e | 954 | |
mbed_official | 354:e67efb2aab0e | 955 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 354:e67efb2aab0e | 956 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 957 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
mbed_official | 354:e67efb2aab0e | 958 | |
mbed_official | 354:e67efb2aab0e | 959 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 354:e67efb2aab0e | 960 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 961 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 962 | |
mbed_official | 354:e67efb2aab0e | 963 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 964 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 965 | |
mbed_official | 354:e67efb2aab0e | 966 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 967 | } |
mbed_official | 354:e67efb2aab0e | 968 | else |
mbed_official | 354:e67efb2aab0e | 969 | { |
mbed_official | 354:e67efb2aab0e | 970 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 971 | } |
mbed_official | 354:e67efb2aab0e | 972 | } |
mbed_official | 354:e67efb2aab0e | 973 | |
mbed_official | 354:e67efb2aab0e | 974 | /** |
mbed_official | 354:e67efb2aab0e | 975 | * @brief Full-Duplex Transmit Receive an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 976 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 977 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 978 | * @param pTxData: Pointer to data transmitted buffer |
mbed_official | 354:e67efb2aab0e | 979 | * @param pRxData: Pointer to data received buffer |
mbed_official | 354:e67efb2aab0e | 980 | * @param Size: Amount of data to be received |
mbed_official | 354:e67efb2aab0e | 981 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
mbed_official | 354:e67efb2aab0e | 982 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 983 | */ |
mbed_official | 354:e67efb2aab0e | 984 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
mbed_official | 354:e67efb2aab0e | 985 | { |
mbed_official | 354:e67efb2aab0e | 986 | uint32_t *tmp=0; |
mbed_official | 354:e67efb2aab0e | 987 | |
mbed_official | 354:e67efb2aab0e | 988 | if(husart->State == HAL_USART_STATE_READY) |
mbed_official | 354:e67efb2aab0e | 989 | { |
mbed_official | 354:e67efb2aab0e | 990 | if((pTxData == HAL_NULL) || (pRxData == HAL_NULL) || (Size == 0)) |
mbed_official | 354:e67efb2aab0e | 991 | { |
mbed_official | 354:e67efb2aab0e | 992 | return HAL_ERROR; |
mbed_official | 354:e67efb2aab0e | 993 | } |
mbed_official | 354:e67efb2aab0e | 994 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 995 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 996 | |
mbed_official | 354:e67efb2aab0e | 997 | husart->pRxBuffPtr = pRxData; |
mbed_official | 354:e67efb2aab0e | 998 | husart->RxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 999 | husart->pTxBuffPtr = pTxData; |
mbed_official | 354:e67efb2aab0e | 1000 | husart->TxXferSize = Size; |
mbed_official | 354:e67efb2aab0e | 1001 | |
mbed_official | 354:e67efb2aab0e | 1002 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
mbed_official | 354:e67efb2aab0e | 1003 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
mbed_official | 354:e67efb2aab0e | 1004 | |
mbed_official | 354:e67efb2aab0e | 1005 | /* Set the USART DMA Rx transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 1006 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
mbed_official | 354:e67efb2aab0e | 1007 | |
mbed_official | 354:e67efb2aab0e | 1008 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 1009 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
mbed_official | 354:e67efb2aab0e | 1010 | |
mbed_official | 354:e67efb2aab0e | 1011 | /* Set the USART DMA Tx transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 1012 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
mbed_official | 354:e67efb2aab0e | 1013 | |
mbed_official | 354:e67efb2aab0e | 1014 | /* Set the USART DMA Half transfer complete callback */ |
mbed_official | 354:e67efb2aab0e | 1015 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
mbed_official | 354:e67efb2aab0e | 1016 | |
mbed_official | 354:e67efb2aab0e | 1017 | /* Set the USART DMA Tx transfer error callback */ |
mbed_official | 354:e67efb2aab0e | 1018 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
mbed_official | 354:e67efb2aab0e | 1019 | |
mbed_official | 354:e67efb2aab0e | 1020 | /* Set the USART DMA Rx transfer error callback */ |
mbed_official | 354:e67efb2aab0e | 1021 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
mbed_official | 354:e67efb2aab0e | 1022 | |
mbed_official | 354:e67efb2aab0e | 1023 | /* Enable the USART receive DMA channel */ |
mbed_official | 354:e67efb2aab0e | 1024 | tmp = (uint32_t*)&pRxData; |
mbed_official | 354:e67efb2aab0e | 1025 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t*)tmp, Size); |
mbed_official | 354:e67efb2aab0e | 1026 | |
mbed_official | 354:e67efb2aab0e | 1027 | /* Enable the USART transmit DMA channel */ |
mbed_official | 354:e67efb2aab0e | 1028 | tmp = (uint32_t*)&pTxData; |
mbed_official | 354:e67efb2aab0e | 1029 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
mbed_official | 354:e67efb2aab0e | 1030 | |
mbed_official | 354:e67efb2aab0e | 1031 | /* Clear the Overrun flag: mandatory for the second transfer in circular mode */ |
mbed_official | 354:e67efb2aab0e | 1032 | __HAL_USART_CLEAR_OREFLAG(husart); |
mbed_official | 354:e67efb2aab0e | 1033 | |
mbed_official | 354:e67efb2aab0e | 1034 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
mbed_official | 354:e67efb2aab0e | 1035 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 1036 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
mbed_official | 354:e67efb2aab0e | 1037 | |
mbed_official | 354:e67efb2aab0e | 1038 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 354:e67efb2aab0e | 1039 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 1040 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 1041 | |
mbed_official | 354:e67efb2aab0e | 1042 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 1043 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1044 | |
mbed_official | 354:e67efb2aab0e | 1045 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1046 | } |
mbed_official | 354:e67efb2aab0e | 1047 | else |
mbed_official | 354:e67efb2aab0e | 1048 | { |
mbed_official | 354:e67efb2aab0e | 1049 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 1050 | } |
mbed_official | 354:e67efb2aab0e | 1051 | } |
mbed_official | 354:e67efb2aab0e | 1052 | |
mbed_official | 354:e67efb2aab0e | 1053 | /** |
mbed_official | 354:e67efb2aab0e | 1054 | * @brief Pauses the DMA Transfer. |
mbed_official | 354:e67efb2aab0e | 1055 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1056 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1057 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1058 | */ |
mbed_official | 354:e67efb2aab0e | 1059 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1060 | { |
mbed_official | 354:e67efb2aab0e | 1061 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 1062 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1063 | |
mbed_official | 354:e67efb2aab0e | 1064 | /* Disable the USART DMA Tx request */ |
mbed_official | 354:e67efb2aab0e | 1065 | CLEAR_BIT(husart->Instance->CR3, (uint32_t)(USART_CR3_DMAT)); |
mbed_official | 354:e67efb2aab0e | 1066 | |
mbed_official | 354:e67efb2aab0e | 1067 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 1068 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1069 | |
mbed_official | 354:e67efb2aab0e | 1070 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1071 | } |
mbed_official | 354:e67efb2aab0e | 1072 | |
mbed_official | 354:e67efb2aab0e | 1073 | /** |
mbed_official | 354:e67efb2aab0e | 1074 | * @brief Resumes the DMA Transfer. |
mbed_official | 354:e67efb2aab0e | 1075 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1076 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1077 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1078 | */ |
mbed_official | 354:e67efb2aab0e | 1079 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1080 | { |
mbed_official | 354:e67efb2aab0e | 1081 | /* Process Locked */ |
mbed_official | 354:e67efb2aab0e | 1082 | __HAL_LOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1083 | |
mbed_official | 354:e67efb2aab0e | 1084 | /* Enable the USART DMA Tx request */ |
mbed_official | 354:e67efb2aab0e | 1085 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 1086 | |
mbed_official | 354:e67efb2aab0e | 1087 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 1088 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1089 | |
mbed_official | 354:e67efb2aab0e | 1090 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1091 | } |
mbed_official | 354:e67efb2aab0e | 1092 | |
mbed_official | 354:e67efb2aab0e | 1093 | /** |
mbed_official | 354:e67efb2aab0e | 1094 | * @brief Stops the DMA Transfer. |
mbed_official | 354:e67efb2aab0e | 1095 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1096 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1097 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1098 | */ |
mbed_official | 354:e67efb2aab0e | 1099 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1100 | { |
mbed_official | 354:e67efb2aab0e | 1101 | /* The Lock is not implemented on this API to allow the user application |
mbed_official | 354:e67efb2aab0e | 1102 | to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback(): |
mbed_official | 354:e67efb2aab0e | 1103 | when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated |
mbed_official | 354:e67efb2aab0e | 1104 | and the correspond call back is executed HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback() |
mbed_official | 354:e67efb2aab0e | 1105 | */ |
mbed_official | 354:e67efb2aab0e | 1106 | |
mbed_official | 354:e67efb2aab0e | 1107 | /* Abort the USART DMA Tx channel */ |
mbed_official | 354:e67efb2aab0e | 1108 | if(husart->hdmatx != HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 1109 | { |
mbed_official | 354:e67efb2aab0e | 1110 | HAL_DMA_Abort(husart->hdmatx); |
mbed_official | 354:e67efb2aab0e | 1111 | } |
mbed_official | 354:e67efb2aab0e | 1112 | /* Abort the USART DMA Rx channel */ |
mbed_official | 354:e67efb2aab0e | 1113 | if(husart->hdmarx != HAL_NULL) |
mbed_official | 354:e67efb2aab0e | 1114 | { |
mbed_official | 354:e67efb2aab0e | 1115 | HAL_DMA_Abort(husart->hdmarx); |
mbed_official | 354:e67efb2aab0e | 1116 | } |
mbed_official | 354:e67efb2aab0e | 1117 | |
mbed_official | 354:e67efb2aab0e | 1118 | /* Disable the USART Tx/Rx DMA requests */ |
mbed_official | 354:e67efb2aab0e | 1119 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 1120 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
mbed_official | 354:e67efb2aab0e | 1121 | |
mbed_official | 354:e67efb2aab0e | 1122 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1123 | |
mbed_official | 354:e67efb2aab0e | 1124 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1125 | } |
mbed_official | 354:e67efb2aab0e | 1126 | |
mbed_official | 354:e67efb2aab0e | 1127 | /** |
mbed_official | 354:e67efb2aab0e | 1128 | * @brief This function handles USART interrupt request. |
mbed_official | 354:e67efb2aab0e | 1129 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1130 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1131 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1132 | */ |
mbed_official | 354:e67efb2aab0e | 1133 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1134 | { |
mbed_official | 354:e67efb2aab0e | 1135 | uint32_t tmp1 = 0, tmp2 = 0; |
mbed_official | 354:e67efb2aab0e | 1136 | |
mbed_official | 354:e67efb2aab0e | 1137 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_PE); |
mbed_official | 354:e67efb2aab0e | 1138 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 1139 | /* USART parity error interrupt occurred -----------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1140 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1141 | { |
mbed_official | 354:e67efb2aab0e | 1142 | __HAL_USART_CLEAR_PEFLAG(husart); |
mbed_official | 354:e67efb2aab0e | 1143 | husart->ErrorCode |= HAL_USART_ERROR_PE; |
mbed_official | 354:e67efb2aab0e | 1144 | } |
mbed_official | 354:e67efb2aab0e | 1145 | |
mbed_official | 354:e67efb2aab0e | 1146 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_FE); |
mbed_official | 354:e67efb2aab0e | 1147 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1148 | /* USART frame error interrupt occurred ------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1149 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1150 | { |
mbed_official | 354:e67efb2aab0e | 1151 | __HAL_USART_CLEAR_FEFLAG(husart); |
mbed_official | 354:e67efb2aab0e | 1152 | husart->ErrorCode |= HAL_USART_ERROR_FE; |
mbed_official | 354:e67efb2aab0e | 1153 | } |
mbed_official | 354:e67efb2aab0e | 1154 | |
mbed_official | 354:e67efb2aab0e | 1155 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_NE); |
mbed_official | 354:e67efb2aab0e | 1156 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1157 | /* USART noise error interrupt occurred ------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1158 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1159 | { |
mbed_official | 354:e67efb2aab0e | 1160 | __HAL_USART_CLEAR_NEFLAG(husart); |
mbed_official | 354:e67efb2aab0e | 1161 | husart->ErrorCode |= HAL_USART_ERROR_NE; |
mbed_official | 354:e67efb2aab0e | 1162 | } |
mbed_official | 354:e67efb2aab0e | 1163 | |
mbed_official | 354:e67efb2aab0e | 1164 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_ORE); |
mbed_official | 354:e67efb2aab0e | 1165 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1166 | /* USART Over-Run interrupt occurred ---------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1167 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1168 | { |
mbed_official | 354:e67efb2aab0e | 1169 | __HAL_USART_CLEAR_OREFLAG(husart); |
mbed_official | 354:e67efb2aab0e | 1170 | husart->ErrorCode |= HAL_USART_ERROR_ORE; |
mbed_official | 354:e67efb2aab0e | 1171 | } |
mbed_official | 354:e67efb2aab0e | 1172 | |
mbed_official | 354:e67efb2aab0e | 1173 | if(husart->ErrorCode != HAL_USART_ERROR_NONE) |
mbed_official | 354:e67efb2aab0e | 1174 | { |
mbed_official | 354:e67efb2aab0e | 1175 | /* Set the USART state ready to be able to start again the process */ |
mbed_official | 354:e67efb2aab0e | 1176 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1177 | |
mbed_official | 354:e67efb2aab0e | 1178 | HAL_USART_ErrorCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1179 | } |
mbed_official | 354:e67efb2aab0e | 1180 | |
mbed_official | 354:e67efb2aab0e | 1181 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE); |
mbed_official | 354:e67efb2aab0e | 1182 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 1183 | /* USART in mode Receiver --------------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1184 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1185 | { |
mbed_official | 354:e67efb2aab0e | 1186 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 354:e67efb2aab0e | 1187 | { |
mbed_official | 354:e67efb2aab0e | 1188 | USART_Receive_IT(husart); |
mbed_official | 354:e67efb2aab0e | 1189 | } |
mbed_official | 354:e67efb2aab0e | 1190 | else |
mbed_official | 354:e67efb2aab0e | 1191 | { |
mbed_official | 354:e67efb2aab0e | 1192 | USART_TransmitReceive_IT(husart); |
mbed_official | 354:e67efb2aab0e | 1193 | } |
mbed_official | 354:e67efb2aab0e | 1194 | } |
mbed_official | 354:e67efb2aab0e | 1195 | |
mbed_official | 354:e67efb2aab0e | 1196 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_TXE); |
mbed_official | 354:e67efb2aab0e | 1197 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 1198 | /* USART in mode Transmitter -----------------------------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1199 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1200 | { |
mbed_official | 354:e67efb2aab0e | 1201 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 354:e67efb2aab0e | 1202 | { |
mbed_official | 354:e67efb2aab0e | 1203 | USART_Transmit_IT(husart); |
mbed_official | 354:e67efb2aab0e | 1204 | } |
mbed_official | 354:e67efb2aab0e | 1205 | else |
mbed_official | 354:e67efb2aab0e | 1206 | { |
mbed_official | 354:e67efb2aab0e | 1207 | USART_TransmitReceive_IT(husart); |
mbed_official | 354:e67efb2aab0e | 1208 | } |
mbed_official | 354:e67efb2aab0e | 1209 | } |
mbed_official | 354:e67efb2aab0e | 1210 | |
mbed_official | 354:e67efb2aab0e | 1211 | tmp1 = __HAL_USART_GET_FLAG(husart, USART_FLAG_TC); |
mbed_official | 354:e67efb2aab0e | 1212 | tmp2 = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC); |
mbed_official | 354:e67efb2aab0e | 1213 | /* USART in mode Transmitter (transmission end) -----------------------------*/ |
mbed_official | 354:e67efb2aab0e | 1214 | if((tmp1 != RESET) && (tmp2 != RESET)) |
mbed_official | 354:e67efb2aab0e | 1215 | { |
mbed_official | 354:e67efb2aab0e | 1216 | USART_EndTransmit_IT(husart); |
mbed_official | 354:e67efb2aab0e | 1217 | } |
mbed_official | 354:e67efb2aab0e | 1218 | |
mbed_official | 354:e67efb2aab0e | 1219 | } |
mbed_official | 354:e67efb2aab0e | 1220 | |
mbed_official | 354:e67efb2aab0e | 1221 | |
mbed_official | 354:e67efb2aab0e | 1222 | /** |
mbed_official | 354:e67efb2aab0e | 1223 | * @brief Tx Transfer completed callbacks. |
mbed_official | 354:e67efb2aab0e | 1224 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1225 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1226 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1227 | */ |
mbed_official | 354:e67efb2aab0e | 1228 | __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1229 | { |
mbed_official | 354:e67efb2aab0e | 1230 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 1231 | the HAL_USART_TxCpltCallback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 1232 | */ |
mbed_official | 354:e67efb2aab0e | 1233 | } |
mbed_official | 354:e67efb2aab0e | 1234 | |
mbed_official | 354:e67efb2aab0e | 1235 | /** |
mbed_official | 354:e67efb2aab0e | 1236 | * @brief Tx Half Transfer completed callbacks. |
mbed_official | 354:e67efb2aab0e | 1237 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1238 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1239 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1240 | */ |
mbed_official | 354:e67efb2aab0e | 1241 | __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1242 | { |
mbed_official | 354:e67efb2aab0e | 1243 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 1244 | the HAL_USART_TxHalfCpltCallback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 1245 | */ |
mbed_official | 354:e67efb2aab0e | 1246 | } |
mbed_official | 354:e67efb2aab0e | 1247 | |
mbed_official | 354:e67efb2aab0e | 1248 | /** |
mbed_official | 354:e67efb2aab0e | 1249 | * @brief Rx Transfer completed callbacks. |
mbed_official | 354:e67efb2aab0e | 1250 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1251 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1252 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1253 | */ |
mbed_official | 354:e67efb2aab0e | 1254 | __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1255 | { |
mbed_official | 354:e67efb2aab0e | 1256 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 1257 | the HAL_USART_RxCpltCallback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 1258 | */ |
mbed_official | 354:e67efb2aab0e | 1259 | } |
mbed_official | 354:e67efb2aab0e | 1260 | |
mbed_official | 354:e67efb2aab0e | 1261 | /** |
mbed_official | 354:e67efb2aab0e | 1262 | * @brief Rx Half Transfer completed callbacks. |
mbed_official | 354:e67efb2aab0e | 1263 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1264 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1265 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1266 | */ |
mbed_official | 354:e67efb2aab0e | 1267 | __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1268 | { |
mbed_official | 354:e67efb2aab0e | 1269 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 1270 | the HAL_USART_RxHalfCpltCallback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 1271 | */ |
mbed_official | 354:e67efb2aab0e | 1272 | } |
mbed_official | 354:e67efb2aab0e | 1273 | |
mbed_official | 354:e67efb2aab0e | 1274 | /** |
mbed_official | 354:e67efb2aab0e | 1275 | * @brief Tx/Rx Transfers completed callback for the non-blocking process. |
mbed_official | 354:e67efb2aab0e | 1276 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1277 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1278 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1279 | */ |
mbed_official | 354:e67efb2aab0e | 1280 | __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1281 | { |
mbed_official | 354:e67efb2aab0e | 1282 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 1283 | the HAL_USART_TxRxCpltCallback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 1284 | */ |
mbed_official | 354:e67efb2aab0e | 1285 | } |
mbed_official | 354:e67efb2aab0e | 1286 | |
mbed_official | 354:e67efb2aab0e | 1287 | /** |
mbed_official | 354:e67efb2aab0e | 1288 | * @brief USART error callbacks. |
mbed_official | 354:e67efb2aab0e | 1289 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1290 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1291 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1292 | */ |
mbed_official | 354:e67efb2aab0e | 1293 | __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1294 | { |
mbed_official | 354:e67efb2aab0e | 1295 | /* NOTE: This function Should not be modified, when the callback is needed, |
mbed_official | 354:e67efb2aab0e | 1296 | the HAL_USART_ErrorCallback could be implemented in the user file |
mbed_official | 354:e67efb2aab0e | 1297 | */ |
mbed_official | 354:e67efb2aab0e | 1298 | } |
mbed_official | 354:e67efb2aab0e | 1299 | |
mbed_official | 354:e67efb2aab0e | 1300 | /** |
mbed_official | 354:e67efb2aab0e | 1301 | * @} |
mbed_official | 354:e67efb2aab0e | 1302 | */ |
mbed_official | 354:e67efb2aab0e | 1303 | |
mbed_official | 354:e67efb2aab0e | 1304 | /** @defgroup USART_Exported_Functions_Group3 Peripheral State and Errors functions |
mbed_official | 354:e67efb2aab0e | 1305 | * @brief USART State and Errors functions |
mbed_official | 354:e67efb2aab0e | 1306 | * |
mbed_official | 354:e67efb2aab0e | 1307 | @verbatim |
mbed_official | 354:e67efb2aab0e | 1308 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 1309 | ##### Peripheral State and Errors functions ##### |
mbed_official | 354:e67efb2aab0e | 1310 | ============================================================================== |
mbed_official | 354:e67efb2aab0e | 1311 | [..] |
mbed_official | 354:e67efb2aab0e | 1312 | This subsection provides a set of functions allowing to return the State of |
mbed_official | 354:e67efb2aab0e | 1313 | USART communication |
mbed_official | 354:e67efb2aab0e | 1314 | process, return Peripheral Errors occurred during communication process |
mbed_official | 354:e67efb2aab0e | 1315 | (+) HAL_USART_GetState() API can be helpful to check in run-time the state |
mbed_official | 354:e67efb2aab0e | 1316 | of the USART peripheral. |
mbed_official | 354:e67efb2aab0e | 1317 | (+) HAL_USART_GetError() check in run-time errors that could be occurred during |
mbed_official | 354:e67efb2aab0e | 1318 | communication. |
mbed_official | 354:e67efb2aab0e | 1319 | @endverbatim |
mbed_official | 354:e67efb2aab0e | 1320 | * @{ |
mbed_official | 354:e67efb2aab0e | 1321 | */ |
mbed_official | 354:e67efb2aab0e | 1322 | |
mbed_official | 354:e67efb2aab0e | 1323 | /** |
mbed_official | 354:e67efb2aab0e | 1324 | * @brief Returns the USART state. |
mbed_official | 354:e67efb2aab0e | 1325 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1326 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1327 | * @retval HAL state |
mbed_official | 354:e67efb2aab0e | 1328 | */ |
mbed_official | 354:e67efb2aab0e | 1329 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1330 | { |
mbed_official | 354:e67efb2aab0e | 1331 | return husart->State; |
mbed_official | 354:e67efb2aab0e | 1332 | } |
mbed_official | 354:e67efb2aab0e | 1333 | |
mbed_official | 354:e67efb2aab0e | 1334 | /** |
mbed_official | 354:e67efb2aab0e | 1335 | * @brief Return the USART error code |
mbed_official | 354:e67efb2aab0e | 1336 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1337 | * the configuration information for the specified USART. |
mbed_official | 354:e67efb2aab0e | 1338 | * @retval USART Error Code |
mbed_official | 354:e67efb2aab0e | 1339 | */ |
mbed_official | 354:e67efb2aab0e | 1340 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1341 | { |
mbed_official | 354:e67efb2aab0e | 1342 | return husart->ErrorCode; |
mbed_official | 354:e67efb2aab0e | 1343 | } |
mbed_official | 354:e67efb2aab0e | 1344 | |
mbed_official | 354:e67efb2aab0e | 1345 | /** |
mbed_official | 354:e67efb2aab0e | 1346 | * @} |
mbed_official | 354:e67efb2aab0e | 1347 | */ |
mbed_official | 354:e67efb2aab0e | 1348 | |
mbed_official | 354:e67efb2aab0e | 1349 | /** |
mbed_official | 354:e67efb2aab0e | 1350 | * @} |
mbed_official | 354:e67efb2aab0e | 1351 | */ |
mbed_official | 354:e67efb2aab0e | 1352 | |
mbed_official | 354:e67efb2aab0e | 1353 | /** @defgroup USART_Private_Functions USART Private Functions |
mbed_official | 354:e67efb2aab0e | 1354 | * @brief USART Private functions |
mbed_official | 354:e67efb2aab0e | 1355 | * @{ |
mbed_official | 354:e67efb2aab0e | 1356 | */ |
mbed_official | 354:e67efb2aab0e | 1357 | /** |
mbed_official | 354:e67efb2aab0e | 1358 | * @brief DMA USART transmit process complete callback. |
mbed_official | 354:e67efb2aab0e | 1359 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1360 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 1361 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1362 | */ |
mbed_official | 354:e67efb2aab0e | 1363 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 1364 | { |
mbed_official | 354:e67efb2aab0e | 1365 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 1366 | |
mbed_official | 354:e67efb2aab0e | 1367 | /* DMA Normal mode */ |
mbed_official | 354:e67efb2aab0e | 1368 | if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0) |
mbed_official | 354:e67efb2aab0e | 1369 | { |
mbed_official | 354:e67efb2aab0e | 1370 | husart->TxXferCount = 0; |
mbed_official | 354:e67efb2aab0e | 1371 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 354:e67efb2aab0e | 1372 | { |
mbed_official | 354:e67efb2aab0e | 1373 | /* Wait for USART TC Flag */ |
mbed_official | 354:e67efb2aab0e | 1374 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, USART_TIMEOUT_VALUE) != HAL_OK) |
mbed_official | 354:e67efb2aab0e | 1375 | { |
mbed_official | 354:e67efb2aab0e | 1376 | /* Timeout occurred */ |
mbed_official | 354:e67efb2aab0e | 1377 | husart->State = HAL_USART_STATE_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 1378 | HAL_USART_ErrorCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1379 | } |
mbed_official | 354:e67efb2aab0e | 1380 | else |
mbed_official | 354:e67efb2aab0e | 1381 | { |
mbed_official | 354:e67efb2aab0e | 1382 | /* No Timeout */ |
mbed_official | 354:e67efb2aab0e | 1383 | /* Disable the DMA transfer for transmit request by setting the DMAT bit |
mbed_official | 354:e67efb2aab0e | 1384 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 1385 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 1386 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1387 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1388 | } |
mbed_official | 354:e67efb2aab0e | 1389 | } |
mbed_official | 354:e67efb2aab0e | 1390 | } |
mbed_official | 354:e67efb2aab0e | 1391 | /* DMA Circular mode */ |
mbed_official | 354:e67efb2aab0e | 1392 | else |
mbed_official | 354:e67efb2aab0e | 1393 | { |
mbed_official | 354:e67efb2aab0e | 1394 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 354:e67efb2aab0e | 1395 | { |
mbed_official | 354:e67efb2aab0e | 1396 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1397 | } |
mbed_official | 354:e67efb2aab0e | 1398 | } |
mbed_official | 354:e67efb2aab0e | 1399 | } |
mbed_official | 354:e67efb2aab0e | 1400 | |
mbed_official | 354:e67efb2aab0e | 1401 | /** |
mbed_official | 354:e67efb2aab0e | 1402 | * @brief DMA USART transmit process half complete callback |
mbed_official | 354:e67efb2aab0e | 1403 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1404 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 1405 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1406 | */ |
mbed_official | 354:e67efb2aab0e | 1407 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 1408 | { |
mbed_official | 354:e67efb2aab0e | 1409 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 1410 | |
mbed_official | 354:e67efb2aab0e | 1411 | HAL_USART_TxHalfCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1412 | } |
mbed_official | 354:e67efb2aab0e | 1413 | |
mbed_official | 354:e67efb2aab0e | 1414 | /** |
mbed_official | 354:e67efb2aab0e | 1415 | * @brief DMA USART receive process complete callback. |
mbed_official | 354:e67efb2aab0e | 1416 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1417 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 1418 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1419 | */ |
mbed_official | 354:e67efb2aab0e | 1420 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 1421 | { |
mbed_official | 354:e67efb2aab0e | 1422 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 1423 | |
mbed_official | 354:e67efb2aab0e | 1424 | /* DMA Normal mode */ |
mbed_official | 354:e67efb2aab0e | 1425 | if((hdma->Instance->CCR & DMA_CCR_CIRC) == 0) |
mbed_official | 354:e67efb2aab0e | 1426 | { |
mbed_official | 354:e67efb2aab0e | 1427 | husart->RxXferCount = 0; |
mbed_official | 354:e67efb2aab0e | 1428 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 354:e67efb2aab0e | 1429 | { |
mbed_official | 354:e67efb2aab0e | 1430 | /* Disable the DMA transfer for the receiver requests by setting the DMAR bit |
mbed_official | 354:e67efb2aab0e | 1431 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 1432 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
mbed_official | 354:e67efb2aab0e | 1433 | |
mbed_official | 354:e67efb2aab0e | 1434 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1435 | } |
mbed_official | 354:e67efb2aab0e | 1436 | /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/ |
mbed_official | 354:e67efb2aab0e | 1437 | else |
mbed_official | 354:e67efb2aab0e | 1438 | { |
mbed_official | 354:e67efb2aab0e | 1439 | /* Disable the DMA transfer for the Transmit/receiver requests by setting the DMAT/DMAR bit |
mbed_official | 354:e67efb2aab0e | 1440 | in the USART CR3 register */ |
mbed_official | 354:e67efb2aab0e | 1441 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
mbed_official | 354:e67efb2aab0e | 1442 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
mbed_official | 354:e67efb2aab0e | 1443 | |
mbed_official | 354:e67efb2aab0e | 1444 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1445 | } |
mbed_official | 354:e67efb2aab0e | 1446 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1447 | } |
mbed_official | 354:e67efb2aab0e | 1448 | /* DMA circular mode */ |
mbed_official | 354:e67efb2aab0e | 1449 | else |
mbed_official | 354:e67efb2aab0e | 1450 | { |
mbed_official | 354:e67efb2aab0e | 1451 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 354:e67efb2aab0e | 1452 | { |
mbed_official | 354:e67efb2aab0e | 1453 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1454 | } |
mbed_official | 354:e67efb2aab0e | 1455 | /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/ |
mbed_official | 354:e67efb2aab0e | 1456 | else |
mbed_official | 354:e67efb2aab0e | 1457 | { |
mbed_official | 354:e67efb2aab0e | 1458 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1459 | } |
mbed_official | 354:e67efb2aab0e | 1460 | } |
mbed_official | 354:e67efb2aab0e | 1461 | } |
mbed_official | 354:e67efb2aab0e | 1462 | |
mbed_official | 354:e67efb2aab0e | 1463 | /** |
mbed_official | 354:e67efb2aab0e | 1464 | * @brief DMA USART receive process half complete callback |
mbed_official | 354:e67efb2aab0e | 1465 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1466 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 1467 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1468 | */ |
mbed_official | 354:e67efb2aab0e | 1469 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 1470 | { |
mbed_official | 354:e67efb2aab0e | 1471 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 1472 | |
mbed_official | 354:e67efb2aab0e | 1473 | HAL_USART_RxHalfCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1474 | } |
mbed_official | 354:e67efb2aab0e | 1475 | |
mbed_official | 354:e67efb2aab0e | 1476 | /** |
mbed_official | 354:e67efb2aab0e | 1477 | * @brief DMA USART communication error callback. |
mbed_official | 354:e67efb2aab0e | 1478 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1479 | * the configuration information for the specified DMA module. |
mbed_official | 354:e67efb2aab0e | 1480 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1481 | */ |
mbed_official | 354:e67efb2aab0e | 1482 | static void USART_DMAError(DMA_HandleTypeDef *hdma) |
mbed_official | 354:e67efb2aab0e | 1483 | { |
mbed_official | 354:e67efb2aab0e | 1484 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
mbed_official | 354:e67efb2aab0e | 1485 | |
mbed_official | 354:e67efb2aab0e | 1486 | husart->RxXferCount = 0; |
mbed_official | 354:e67efb2aab0e | 1487 | husart->TxXferCount = 0; |
mbed_official | 354:e67efb2aab0e | 1488 | husart->ErrorCode |= HAL_USART_ERROR_DMA; |
mbed_official | 354:e67efb2aab0e | 1489 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1490 | |
mbed_official | 354:e67efb2aab0e | 1491 | HAL_USART_ErrorCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1492 | } |
mbed_official | 354:e67efb2aab0e | 1493 | |
mbed_official | 354:e67efb2aab0e | 1494 | /** |
mbed_official | 354:e67efb2aab0e | 1495 | * @brief This function handles USART Communication Timeout. |
mbed_official | 354:e67efb2aab0e | 1496 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1497 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1498 | * @param Flag: specifies the USART flag to check. |
mbed_official | 354:e67efb2aab0e | 1499 | * @param Status: The new Flag status (SET or RESET). |
mbed_official | 354:e67efb2aab0e | 1500 | * @param Timeout: Timeout duration |
mbed_official | 354:e67efb2aab0e | 1501 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1502 | */ |
mbed_official | 354:e67efb2aab0e | 1503 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
mbed_official | 354:e67efb2aab0e | 1504 | { |
mbed_official | 354:e67efb2aab0e | 1505 | uint32_t tickstart = 0; |
mbed_official | 354:e67efb2aab0e | 1506 | |
mbed_official | 354:e67efb2aab0e | 1507 | /* Get tick */ |
mbed_official | 354:e67efb2aab0e | 1508 | tickstart = HAL_GetTick(); |
mbed_official | 354:e67efb2aab0e | 1509 | |
mbed_official | 354:e67efb2aab0e | 1510 | /* Wait until flag is set */ |
mbed_official | 354:e67efb2aab0e | 1511 | if(Status == RESET) |
mbed_official | 354:e67efb2aab0e | 1512 | { |
mbed_official | 354:e67efb2aab0e | 1513 | while(__HAL_USART_GET_FLAG(husart, Flag) == RESET) |
mbed_official | 354:e67efb2aab0e | 1514 | { |
mbed_official | 354:e67efb2aab0e | 1515 | /* Check for the Timeout */ |
mbed_official | 354:e67efb2aab0e | 1516 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 354:e67efb2aab0e | 1517 | { |
mbed_official | 354:e67efb2aab0e | 1518 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 354:e67efb2aab0e | 1519 | { |
mbed_official | 354:e67efb2aab0e | 1520 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 354:e67efb2aab0e | 1521 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 1522 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 1523 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 1524 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1525 | |
mbed_official | 354:e67efb2aab0e | 1526 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1527 | |
mbed_official | 354:e67efb2aab0e | 1528 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 1529 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1530 | |
mbed_official | 354:e67efb2aab0e | 1531 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 1532 | } |
mbed_official | 354:e67efb2aab0e | 1533 | } |
mbed_official | 354:e67efb2aab0e | 1534 | } |
mbed_official | 354:e67efb2aab0e | 1535 | } |
mbed_official | 354:e67efb2aab0e | 1536 | else |
mbed_official | 354:e67efb2aab0e | 1537 | { |
mbed_official | 354:e67efb2aab0e | 1538 | while(__HAL_USART_GET_FLAG(husart, Flag) != RESET) |
mbed_official | 354:e67efb2aab0e | 1539 | { |
mbed_official | 354:e67efb2aab0e | 1540 | /* Check for the Timeout */ |
mbed_official | 354:e67efb2aab0e | 1541 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 354:e67efb2aab0e | 1542 | { |
mbed_official | 354:e67efb2aab0e | 1543 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
mbed_official | 354:e67efb2aab0e | 1544 | { |
mbed_official | 354:e67efb2aab0e | 1545 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
mbed_official | 354:e67efb2aab0e | 1546 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 1547 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 1548 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 1549 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1550 | |
mbed_official | 354:e67efb2aab0e | 1551 | husart->State= HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1552 | |
mbed_official | 354:e67efb2aab0e | 1553 | /* Process Unlocked */ |
mbed_official | 354:e67efb2aab0e | 1554 | __HAL_UNLOCK(husart); |
mbed_official | 354:e67efb2aab0e | 1555 | |
mbed_official | 354:e67efb2aab0e | 1556 | return HAL_TIMEOUT; |
mbed_official | 354:e67efb2aab0e | 1557 | } |
mbed_official | 354:e67efb2aab0e | 1558 | } |
mbed_official | 354:e67efb2aab0e | 1559 | } |
mbed_official | 354:e67efb2aab0e | 1560 | } |
mbed_official | 354:e67efb2aab0e | 1561 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1562 | } |
mbed_official | 354:e67efb2aab0e | 1563 | |
mbed_official | 354:e67efb2aab0e | 1564 | /** |
mbed_official | 354:e67efb2aab0e | 1565 | * @brief Simplex Send an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 1566 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1567 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1568 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1569 | * @note The USART errors are not managed to avoid the overrun error. |
mbed_official | 354:e67efb2aab0e | 1570 | */ |
mbed_official | 354:e67efb2aab0e | 1571 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1572 | { |
mbed_official | 354:e67efb2aab0e | 1573 | uint16_t* tmp=0; |
mbed_official | 354:e67efb2aab0e | 1574 | |
mbed_official | 354:e67efb2aab0e | 1575 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
mbed_official | 354:e67efb2aab0e | 1576 | { |
mbed_official | 354:e67efb2aab0e | 1577 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 1578 | { |
mbed_official | 354:e67efb2aab0e | 1579 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 354:e67efb2aab0e | 1580 | WRITE_REG(husart->Instance->DR, (uint16_t)(*tmp & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 1581 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 1582 | { |
mbed_official | 354:e67efb2aab0e | 1583 | husart->pTxBuffPtr += 2; |
mbed_official | 354:e67efb2aab0e | 1584 | } |
mbed_official | 354:e67efb2aab0e | 1585 | else |
mbed_official | 354:e67efb2aab0e | 1586 | { |
mbed_official | 354:e67efb2aab0e | 1587 | husart->pTxBuffPtr += 1; |
mbed_official | 354:e67efb2aab0e | 1588 | } |
mbed_official | 354:e67efb2aab0e | 1589 | } |
mbed_official | 354:e67efb2aab0e | 1590 | else |
mbed_official | 354:e67efb2aab0e | 1591 | { |
mbed_official | 354:e67efb2aab0e | 1592 | WRITE_REG(husart->Instance->DR, (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF)); |
mbed_official | 354:e67efb2aab0e | 1593 | } |
mbed_official | 354:e67efb2aab0e | 1594 | |
mbed_official | 354:e67efb2aab0e | 1595 | if(--husart->TxXferCount == 0) |
mbed_official | 354:e67efb2aab0e | 1596 | { |
mbed_official | 354:e67efb2aab0e | 1597 | /* Disable the USART Transmit data register empty Interrupt */ |
mbed_official | 354:e67efb2aab0e | 1598 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 1599 | |
mbed_official | 354:e67efb2aab0e | 1600 | /* Enable the USART Transmit Complete Interrupt */ |
mbed_official | 354:e67efb2aab0e | 1601 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
mbed_official | 354:e67efb2aab0e | 1602 | } |
mbed_official | 354:e67efb2aab0e | 1603 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1604 | } |
mbed_official | 354:e67efb2aab0e | 1605 | else |
mbed_official | 354:e67efb2aab0e | 1606 | { |
mbed_official | 354:e67efb2aab0e | 1607 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 1608 | } |
mbed_official | 354:e67efb2aab0e | 1609 | } |
mbed_official | 354:e67efb2aab0e | 1610 | |
mbed_official | 354:e67efb2aab0e | 1611 | |
mbed_official | 354:e67efb2aab0e | 1612 | /** |
mbed_official | 354:e67efb2aab0e | 1613 | * @brief Wraps up transmission in non blocking mode. |
mbed_official | 354:e67efb2aab0e | 1614 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1615 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1616 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1617 | */ |
mbed_official | 354:e67efb2aab0e | 1618 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1619 | { |
mbed_official | 354:e67efb2aab0e | 1620 | /* Disable the USART Transmit Complete Interrupt */ |
mbed_official | 354:e67efb2aab0e | 1621 | __HAL_USART_DISABLE_IT(husart, USART_IT_TC); |
mbed_official | 354:e67efb2aab0e | 1622 | |
mbed_official | 354:e67efb2aab0e | 1623 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 354:e67efb2aab0e | 1624 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1625 | |
mbed_official | 354:e67efb2aab0e | 1626 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1627 | |
mbed_official | 354:e67efb2aab0e | 1628 | HAL_USART_TxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1629 | |
mbed_official | 354:e67efb2aab0e | 1630 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1631 | } |
mbed_official | 354:e67efb2aab0e | 1632 | |
mbed_official | 354:e67efb2aab0e | 1633 | |
mbed_official | 354:e67efb2aab0e | 1634 | /** |
mbed_official | 354:e67efb2aab0e | 1635 | * @brief Simplex Receive an amount of data in non-blocking mode. |
mbed_official | 354:e67efb2aab0e | 1636 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1637 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1638 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1639 | */ |
mbed_official | 354:e67efb2aab0e | 1640 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1641 | { |
mbed_official | 354:e67efb2aab0e | 1642 | uint16_t* tmp=0; |
mbed_official | 354:e67efb2aab0e | 1643 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
mbed_official | 354:e67efb2aab0e | 1644 | { |
mbed_official | 354:e67efb2aab0e | 1645 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 1646 | { |
mbed_official | 354:e67efb2aab0e | 1647 | tmp = (uint16_t*) husart->pRxBuffPtr; |
mbed_official | 354:e67efb2aab0e | 1648 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 1649 | { |
mbed_official | 354:e67efb2aab0e | 1650 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
mbed_official | 354:e67efb2aab0e | 1651 | husart->pRxBuffPtr += 2; |
mbed_official | 354:e67efb2aab0e | 1652 | } |
mbed_official | 354:e67efb2aab0e | 1653 | else |
mbed_official | 354:e67efb2aab0e | 1654 | { |
mbed_official | 354:e67efb2aab0e | 1655 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 1656 | husart->pRxBuffPtr += 1; |
mbed_official | 354:e67efb2aab0e | 1657 | } |
mbed_official | 354:e67efb2aab0e | 1658 | if(--husart->RxXferCount != 0x00) |
mbed_official | 354:e67efb2aab0e | 1659 | { |
mbed_official | 354:e67efb2aab0e | 1660 | /* Send dummy byte in order to generate the clock for the slave to send the next data */ |
mbed_official | 354:e67efb2aab0e | 1661 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 1662 | } |
mbed_official | 354:e67efb2aab0e | 1663 | } |
mbed_official | 354:e67efb2aab0e | 1664 | else |
mbed_official | 354:e67efb2aab0e | 1665 | { |
mbed_official | 354:e67efb2aab0e | 1666 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 1667 | { |
mbed_official | 354:e67efb2aab0e | 1668 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 1669 | } |
mbed_official | 354:e67efb2aab0e | 1670 | else |
mbed_official | 354:e67efb2aab0e | 1671 | { |
mbed_official | 354:e67efb2aab0e | 1672 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
mbed_official | 354:e67efb2aab0e | 1673 | } |
mbed_official | 354:e67efb2aab0e | 1674 | |
mbed_official | 354:e67efb2aab0e | 1675 | if(--husart->RxXferCount != 0x00) |
mbed_official | 354:e67efb2aab0e | 1676 | { |
mbed_official | 354:e67efb2aab0e | 1677 | /* Send dummy byte in order to generate the clock for the slave to send the next data */ |
mbed_official | 354:e67efb2aab0e | 1678 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x00FF)); |
mbed_official | 354:e67efb2aab0e | 1679 | } |
mbed_official | 354:e67efb2aab0e | 1680 | } |
mbed_official | 354:e67efb2aab0e | 1681 | |
mbed_official | 354:e67efb2aab0e | 1682 | if(husart->RxXferCount == 0) |
mbed_official | 354:e67efb2aab0e | 1683 | { |
mbed_official | 354:e67efb2aab0e | 1684 | /* Disable the USART RXNE Interrupt */ |
mbed_official | 354:e67efb2aab0e | 1685 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 1686 | |
mbed_official | 354:e67efb2aab0e | 1687 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 354:e67efb2aab0e | 1688 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 1689 | |
mbed_official | 354:e67efb2aab0e | 1690 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 354:e67efb2aab0e | 1691 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1692 | |
mbed_official | 354:e67efb2aab0e | 1693 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1694 | HAL_USART_RxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1695 | |
mbed_official | 354:e67efb2aab0e | 1696 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1697 | } |
mbed_official | 354:e67efb2aab0e | 1698 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1699 | } |
mbed_official | 354:e67efb2aab0e | 1700 | else |
mbed_official | 354:e67efb2aab0e | 1701 | { |
mbed_official | 354:e67efb2aab0e | 1702 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 1703 | } |
mbed_official | 354:e67efb2aab0e | 1704 | } |
mbed_official | 354:e67efb2aab0e | 1705 | |
mbed_official | 354:e67efb2aab0e | 1706 | /** |
mbed_official | 354:e67efb2aab0e | 1707 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
mbed_official | 354:e67efb2aab0e | 1708 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1709 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1710 | * @retval HAL status |
mbed_official | 354:e67efb2aab0e | 1711 | */ |
mbed_official | 354:e67efb2aab0e | 1712 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1713 | { |
mbed_official | 354:e67efb2aab0e | 1714 | uint16_t* tmp=0; |
mbed_official | 354:e67efb2aab0e | 1715 | |
mbed_official | 354:e67efb2aab0e | 1716 | if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
mbed_official | 354:e67efb2aab0e | 1717 | { |
mbed_official | 354:e67efb2aab0e | 1718 | if(husart->TxXferCount != 0x00) |
mbed_official | 354:e67efb2aab0e | 1719 | { |
mbed_official | 354:e67efb2aab0e | 1720 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) |
mbed_official | 354:e67efb2aab0e | 1721 | { |
mbed_official | 354:e67efb2aab0e | 1722 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 1723 | { |
mbed_official | 354:e67efb2aab0e | 1724 | tmp = (uint16_t*) husart->pTxBuffPtr; |
mbed_official | 354:e67efb2aab0e | 1725 | WRITE_REG(husart->Instance->DR, (uint16_t)(*tmp & (uint16_t)0x01FF)); |
mbed_official | 354:e67efb2aab0e | 1726 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 1727 | { |
mbed_official | 354:e67efb2aab0e | 1728 | husart->pTxBuffPtr += 2; |
mbed_official | 354:e67efb2aab0e | 1729 | } |
mbed_official | 354:e67efb2aab0e | 1730 | else |
mbed_official | 354:e67efb2aab0e | 1731 | { |
mbed_official | 354:e67efb2aab0e | 1732 | husart->pTxBuffPtr += 1; |
mbed_official | 354:e67efb2aab0e | 1733 | } |
mbed_official | 354:e67efb2aab0e | 1734 | } |
mbed_official | 354:e67efb2aab0e | 1735 | else |
mbed_official | 354:e67efb2aab0e | 1736 | { |
mbed_official | 354:e67efb2aab0e | 1737 | WRITE_REG(husart->Instance->DR, (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF)); |
mbed_official | 354:e67efb2aab0e | 1738 | } |
mbed_official | 354:e67efb2aab0e | 1739 | husart->TxXferCount--; |
mbed_official | 354:e67efb2aab0e | 1740 | |
mbed_official | 354:e67efb2aab0e | 1741 | /* Check the latest data transmitted */ |
mbed_official | 354:e67efb2aab0e | 1742 | if(husart->TxXferCount == 0) |
mbed_official | 354:e67efb2aab0e | 1743 | { |
mbed_official | 354:e67efb2aab0e | 1744 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
mbed_official | 354:e67efb2aab0e | 1745 | } |
mbed_official | 354:e67efb2aab0e | 1746 | } |
mbed_official | 354:e67efb2aab0e | 1747 | } |
mbed_official | 354:e67efb2aab0e | 1748 | |
mbed_official | 354:e67efb2aab0e | 1749 | if(husart->RxXferCount != 0x00) |
mbed_official | 354:e67efb2aab0e | 1750 | { |
mbed_official | 354:e67efb2aab0e | 1751 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) |
mbed_official | 354:e67efb2aab0e | 1752 | { |
mbed_official | 354:e67efb2aab0e | 1753 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
mbed_official | 354:e67efb2aab0e | 1754 | { |
mbed_official | 354:e67efb2aab0e | 1755 | tmp = (uint16_t*) husart->pRxBuffPtr; |
mbed_official | 354:e67efb2aab0e | 1756 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 1757 | { |
mbed_official | 354:e67efb2aab0e | 1758 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
mbed_official | 354:e67efb2aab0e | 1759 | husart->pRxBuffPtr += 2; |
mbed_official | 354:e67efb2aab0e | 1760 | } |
mbed_official | 354:e67efb2aab0e | 1761 | else |
mbed_official | 354:e67efb2aab0e | 1762 | { |
mbed_official | 354:e67efb2aab0e | 1763 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 1764 | husart->pRxBuffPtr += 1; |
mbed_official | 354:e67efb2aab0e | 1765 | } |
mbed_official | 354:e67efb2aab0e | 1766 | } |
mbed_official | 354:e67efb2aab0e | 1767 | else |
mbed_official | 354:e67efb2aab0e | 1768 | { |
mbed_official | 354:e67efb2aab0e | 1769 | if(husart->Init.Parity == USART_PARITY_NONE) |
mbed_official | 354:e67efb2aab0e | 1770 | { |
mbed_official | 354:e67efb2aab0e | 1771 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
mbed_official | 354:e67efb2aab0e | 1772 | } |
mbed_official | 354:e67efb2aab0e | 1773 | else |
mbed_official | 354:e67efb2aab0e | 1774 | { |
mbed_official | 354:e67efb2aab0e | 1775 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
mbed_official | 354:e67efb2aab0e | 1776 | } |
mbed_official | 354:e67efb2aab0e | 1777 | } |
mbed_official | 354:e67efb2aab0e | 1778 | husart->RxXferCount--; |
mbed_official | 354:e67efb2aab0e | 1779 | } |
mbed_official | 354:e67efb2aab0e | 1780 | } |
mbed_official | 354:e67efb2aab0e | 1781 | |
mbed_official | 354:e67efb2aab0e | 1782 | /* Check the latest data received */ |
mbed_official | 354:e67efb2aab0e | 1783 | if(husart->RxXferCount == 0) |
mbed_official | 354:e67efb2aab0e | 1784 | { |
mbed_official | 354:e67efb2aab0e | 1785 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
mbed_official | 354:e67efb2aab0e | 1786 | |
mbed_official | 354:e67efb2aab0e | 1787 | /* Disable the USART Parity Error Interrupt */ |
mbed_official | 354:e67efb2aab0e | 1788 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
mbed_official | 354:e67efb2aab0e | 1789 | |
mbed_official | 354:e67efb2aab0e | 1790 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
mbed_official | 354:e67efb2aab0e | 1791 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
mbed_official | 354:e67efb2aab0e | 1792 | |
mbed_official | 354:e67efb2aab0e | 1793 | husart->State = HAL_USART_STATE_READY; |
mbed_official | 354:e67efb2aab0e | 1794 | |
mbed_official | 354:e67efb2aab0e | 1795 | HAL_USART_TxRxCpltCallback(husart); |
mbed_official | 354:e67efb2aab0e | 1796 | |
mbed_official | 354:e67efb2aab0e | 1797 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1798 | } |
mbed_official | 354:e67efb2aab0e | 1799 | |
mbed_official | 354:e67efb2aab0e | 1800 | return HAL_OK; |
mbed_official | 354:e67efb2aab0e | 1801 | } |
mbed_official | 354:e67efb2aab0e | 1802 | else |
mbed_official | 354:e67efb2aab0e | 1803 | { |
mbed_official | 354:e67efb2aab0e | 1804 | return HAL_BUSY; |
mbed_official | 354:e67efb2aab0e | 1805 | } |
mbed_official | 354:e67efb2aab0e | 1806 | } |
mbed_official | 354:e67efb2aab0e | 1807 | |
mbed_official | 354:e67efb2aab0e | 1808 | /** |
mbed_official | 354:e67efb2aab0e | 1809 | * @brief Configures the USART peripheral. |
mbed_official | 354:e67efb2aab0e | 1810 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
mbed_official | 354:e67efb2aab0e | 1811 | * the configuration information for the specified USART module. |
mbed_official | 354:e67efb2aab0e | 1812 | * @retval None |
mbed_official | 354:e67efb2aab0e | 1813 | */ |
mbed_official | 354:e67efb2aab0e | 1814 | static void USART_SetConfig(USART_HandleTypeDef *husart) |
mbed_official | 354:e67efb2aab0e | 1815 | { |
mbed_official | 354:e67efb2aab0e | 1816 | /* Check the parameters */ |
mbed_official | 354:e67efb2aab0e | 1817 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
mbed_official | 354:e67efb2aab0e | 1818 | assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); |
mbed_official | 354:e67efb2aab0e | 1819 | assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); |
mbed_official | 354:e67efb2aab0e | 1820 | assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); |
mbed_official | 354:e67efb2aab0e | 1821 | assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); |
mbed_official | 354:e67efb2aab0e | 1822 | assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); |
mbed_official | 354:e67efb2aab0e | 1823 | assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); |
mbed_official | 354:e67efb2aab0e | 1824 | assert_param(IS_USART_PARITY(husart->Init.Parity)); |
mbed_official | 354:e67efb2aab0e | 1825 | assert_param(IS_USART_MODE(husart->Init.Mode)); |
mbed_official | 354:e67efb2aab0e | 1826 | |
mbed_official | 354:e67efb2aab0e | 1827 | /* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the |
mbed_official | 354:e67efb2aab0e | 1828 | receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */ |
mbed_official | 354:e67efb2aab0e | 1829 | CLEAR_BIT(husart->Instance->CR1, ((uint32_t)(USART_CR1_TE | USART_CR1_RE))); |
mbed_official | 354:e67efb2aab0e | 1830 | |
mbed_official | 354:e67efb2aab0e | 1831 | /*---------------------------- USART CR2 Configuration ---------------------*/ |
mbed_official | 354:e67efb2aab0e | 1832 | /* Configure the USART Clock, CPOL, CPHA and LastBit -----------------------*/ |
mbed_official | 354:e67efb2aab0e | 1833 | /* Set CPOL bit according to husart->Init.CLKPolarity value */ |
mbed_official | 354:e67efb2aab0e | 1834 | /* Set CPHA bit according to husart->Init.CLKPhase value */ |
mbed_official | 354:e67efb2aab0e | 1835 | /* Set LBCL bit according to husart->Init.CLKLastBit value */ |
mbed_official | 354:e67efb2aab0e | 1836 | /* Set Stop Bits: Set STOP[13:12] bits according to husart->Init.StopBits value */ |
mbed_official | 354:e67efb2aab0e | 1837 | /* Write to USART CR2 */ |
mbed_official | 354:e67efb2aab0e | 1838 | MODIFY_REG(husart->Instance->CR2, |
mbed_official | 354:e67efb2aab0e | 1839 | (uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP), |
mbed_official | 354:e67efb2aab0e | 1840 | ((uint32_t)(USART_CLOCK_ENABLED| husart->Init.CLKPolarity | husart->Init.CLKPhase| husart->Init.CLKLastBit | husart->Init.StopBits))); |
mbed_official | 354:e67efb2aab0e | 1841 | |
mbed_official | 354:e67efb2aab0e | 1842 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
mbed_official | 354:e67efb2aab0e | 1843 | /* Configure the USART Word Length, Parity and mode: |
mbed_official | 354:e67efb2aab0e | 1844 | Set the M bits according to husart->Init.WordLength value |
mbed_official | 354:e67efb2aab0e | 1845 | Set PCE and PS bits according to husart->Init.Parity value |
mbed_official | 354:e67efb2aab0e | 1846 | Set TE and RE bits according to husart->Init.Mode value */ |
mbed_official | 354:e67efb2aab0e | 1847 | MODIFY_REG(husart->Instance->CR1, |
mbed_official | 354:e67efb2aab0e | 1848 | (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE), |
mbed_official | 354:e67efb2aab0e | 1849 | (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode); |
mbed_official | 354:e67efb2aab0e | 1850 | |
mbed_official | 354:e67efb2aab0e | 1851 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
mbed_official | 354:e67efb2aab0e | 1852 | /* Clear CTSE and RTSE bits */ |
mbed_official | 354:e67efb2aab0e | 1853 | CLEAR_BIT(husart->Instance->CR3, (uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE)); |
mbed_official | 354:e67efb2aab0e | 1854 | |
mbed_official | 354:e67efb2aab0e | 1855 | /*-------------------------- USART BRR Configuration -----------------------*/ |
mbed_official | 354:e67efb2aab0e | 1856 | if((husart->Instance == USART1)) |
mbed_official | 354:e67efb2aab0e | 1857 | { |
mbed_official | 354:e67efb2aab0e | 1858 | husart->Instance->BRR = USART_BRR(HAL_RCC_GetPCLK2Freq(), husart->Init.BaudRate); |
mbed_official | 354:e67efb2aab0e | 1859 | } |
mbed_official | 354:e67efb2aab0e | 1860 | else |
mbed_official | 354:e67efb2aab0e | 1861 | { |
mbed_official | 354:e67efb2aab0e | 1862 | husart->Instance->BRR = USART_BRR(HAL_RCC_GetPCLK1Freq(), husart->Init.BaudRate); |
mbed_official | 354:e67efb2aab0e | 1863 | } |
mbed_official | 354:e67efb2aab0e | 1864 | } |
mbed_official | 354:e67efb2aab0e | 1865 | |
mbed_official | 354:e67efb2aab0e | 1866 | /** |
mbed_official | 354:e67efb2aab0e | 1867 | * @} |
mbed_official | 354:e67efb2aab0e | 1868 | */ |
mbed_official | 354:e67efb2aab0e | 1869 | |
mbed_official | 354:e67efb2aab0e | 1870 | #endif /* HAL_USART_MODULE_ENABLED */ |
mbed_official | 354:e67efb2aab0e | 1871 | /** |
mbed_official | 354:e67efb2aab0e | 1872 | * @} |
mbed_official | 354:e67efb2aab0e | 1873 | */ |
mbed_official | 354:e67efb2aab0e | 1874 | |
mbed_official | 354:e67efb2aab0e | 1875 | /** |
mbed_official | 354:e67efb2aab0e | 1876 | * @} |
mbed_official | 354:e67efb2aab0e | 1877 | */ |
mbed_official | 354:e67efb2aab0e | 1878 | |
mbed_official | 354:e67efb2aab0e | 1879 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |