fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32F1/stm32f1xx_hal_usart.c@129:2e517c56bcfb, 2016-05-16 (annotated)
- Committer:
- nameless129
- Date:
- Mon May 16 16:50:30 2016 +0000
- Revision:
- 129:2e517c56bcfb
- Parent:
- 124:6a4a5b7d7324
PWM Fix:Duty 0%??H???????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32f1xx_hal_usart.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
mbed_official | 124:6a4a5b7d7324 | 5 | * @version V1.0.4 |
mbed_official | 124:6a4a5b7d7324 | 6 | * @date 29-April-2016 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief USART HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the Universal Synchronous Asynchronous Receiver Transmitter (USART) peripheral: |
bogdanm | 0:9b334a45a8ff | 10 | * + Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 11 | * + IO operation functions |
bogdanm | 0:9b334a45a8ff | 12 | * + Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 13 | * + Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 14 | @verbatim |
bogdanm | 0:9b334a45a8ff | 15 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 16 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 17 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 18 | [..] |
bogdanm | 0:9b334a45a8ff | 19 | The USART HAL driver can be used as follows: |
bogdanm | 0:9b334a45a8ff | 20 | |
bogdanm | 0:9b334a45a8ff | 21 | (#) Declare a USART_HandleTypeDef handle structure. |
bogdanm | 0:9b334a45a8ff | 22 | (#) Initialize the USART low level resources by implementing the HAL_USART_MspInit() API: |
bogdanm | 0:9b334a45a8ff | 23 | (##) Enable the USARTx interface clock. |
bogdanm | 0:9b334a45a8ff | 24 | (##) USART pins configuration: |
bogdanm | 0:9b334a45a8ff | 25 | (+++) Enable the clock for the USART GPIOs. |
bogdanm | 0:9b334a45a8ff | 26 | (+++) Configure the USART pins (TX as alternate function pull-up, RX as alternate function Input). |
bogdanm | 0:9b334a45a8ff | 27 | (##) NVIC configuration if you need to use interrupt process (HAL_USART_Transmit_IT(), |
bogdanm | 0:9b334a45a8ff | 28 | HAL_USART_Receive_IT() and HAL_USART_TransmitReceive_IT() APIs): |
bogdanm | 0:9b334a45a8ff | 29 | (+++) Configure the USARTx interrupt priority. |
bogdanm | 0:9b334a45a8ff | 30 | (+++) Enable the NVIC USART IRQ handle. |
bogdanm | 0:9b334a45a8ff | 31 | (##) DMA Configuration if you need to use DMA process (HAL_USART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 32 | HAL_USART_Receive_DMA() and HAL_USART_TransmitReceive_DMA() APIs): |
bogdanm | 0:9b334a45a8ff | 33 | (+++) Declare a DMA handle structure for the Tx/Rx channel. |
bogdanm | 0:9b334a45a8ff | 34 | (+++) Enable the DMAx interface clock. |
bogdanm | 0:9b334a45a8ff | 35 | (+++) Configure the declared DMA handle structure with the required Tx/Rx parameters. |
bogdanm | 0:9b334a45a8ff | 36 | (+++) Configure the DMA Tx/Rx channel. |
bogdanm | 0:9b334a45a8ff | 37 | (+++) Associate the initilalized DMA handle to the USART DMA Tx/Rx handle. |
bogdanm | 0:9b334a45a8ff | 38 | (+++) Configure the priority and enable the NVIC for the transfer complete interrupt on the DMA Tx/Rx channel. |
bogdanm | 0:9b334a45a8ff | 39 | (+++) Configure the USARTx interrupt priority and enable the NVIC USART IRQ handle |
bogdanm | 0:9b334a45a8ff | 40 | (used for last byte sending completion detection in DMA non circular mode) |
bogdanm | 0:9b334a45a8ff | 41 | |
bogdanm | 0:9b334a45a8ff | 42 | (#) Program the Baud Rate, Word Length, Stop Bit, Parity, Hardware |
bogdanm | 0:9b334a45a8ff | 43 | flow control and Mode(Receiver/Transmitter) in the husart Init structure. |
bogdanm | 0:9b334a45a8ff | 44 | |
bogdanm | 0:9b334a45a8ff | 45 | (#) Initialize the USART registers by calling the HAL_USART_Init() API: |
bogdanm | 0:9b334a45a8ff | 46 | (++) These APIs configures also the low level Hardware GPIO, CLOCK, CORTEX...etc) |
bogdanm | 0:9b334a45a8ff | 47 | by calling the customed HAL_USART_MspInit(&husart) API. |
bogdanm | 0:9b334a45a8ff | 48 | |
bogdanm | 0:9b334a45a8ff | 49 | -@@- The specific USART interrupts (Transmission complete interrupt, |
bogdanm | 0:9b334a45a8ff | 50 | RXNE interrupt and Error Interrupts) will be managed using the macros |
bogdanm | 0:9b334a45a8ff | 51 | __HAL_USART_ENABLE_IT() and __HAL_USART_DISABLE_IT() inside the transmit and receive process. |
bogdanm | 0:9b334a45a8ff | 52 | |
bogdanm | 0:9b334a45a8ff | 53 | (#) Three operation modes are available within this driver : |
bogdanm | 0:9b334a45a8ff | 54 | |
bogdanm | 0:9b334a45a8ff | 55 | *** Polling mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 56 | ================================= |
bogdanm | 0:9b334a45a8ff | 57 | [..] |
bogdanm | 0:9b334a45a8ff | 58 | (+) Send an amount of data in blocking mode using HAL_USART_Transmit() |
bogdanm | 0:9b334a45a8ff | 59 | (+) Receive an amount of data in blocking mode using HAL_USART_Receive() |
bogdanm | 0:9b334a45a8ff | 60 | |
bogdanm | 0:9b334a45a8ff | 61 | *** Interrupt mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 62 | =================================== |
bogdanm | 0:9b334a45a8ff | 63 | [..] |
bogdanm | 0:9b334a45a8ff | 64 | (+) Send an amount of data in non blocking mode using HAL_USART_Transmit_IT() |
bogdanm | 0:9b334a45a8ff | 65 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 66 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 67 | (+) Receive an amount of data in non blocking mode using HAL_USART_Receive_IT() |
bogdanm | 0:9b334a45a8ff | 68 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 69 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 70 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 71 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 72 | |
bogdanm | 0:9b334a45a8ff | 73 | *** DMA mode IO operation *** |
bogdanm | 0:9b334a45a8ff | 74 | ============================== |
bogdanm | 0:9b334a45a8ff | 75 | [..] |
bogdanm | 0:9b334a45a8ff | 76 | (+) Send an amount of data in non blocking mode (DMA) using HAL_USART_Transmit_DMA() |
bogdanm | 0:9b334a45a8ff | 77 | (+) At transmission end of half transfer HAL_USART_TxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 78 | add his own code by customization of function pointer HAL_USART_TxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 79 | (+) At transmission end of transfer HAL_USART_TxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 80 | add his own code by customization of function pointer HAL_USART_TxCpltCallback |
bogdanm | 0:9b334a45a8ff | 81 | (+) Receive an amount of data in non blocking mode (DMA) using HAL_USART_Receive_DMA() |
bogdanm | 0:9b334a45a8ff | 82 | (+) At reception end of half transfer HAL_USART_RxHalfCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 83 | add his own code by customization of function pointer HAL_USART_RxHalfCpltCallback |
bogdanm | 0:9b334a45a8ff | 84 | (+) At reception end of transfer HAL_USART_RxCpltCallback is executed and user can |
bogdanm | 0:9b334a45a8ff | 85 | add his own code by customization of function pointer HAL_USART_RxCpltCallback |
bogdanm | 0:9b334a45a8ff | 86 | (+) In case of transfer Error, HAL_USART_ErrorCallback() function is executed and user can |
bogdanm | 0:9b334a45a8ff | 87 | add his own code by customization of function pointer HAL_USART_ErrorCallback |
bogdanm | 0:9b334a45a8ff | 88 | (+) Pause the DMA Transfer using HAL_USART_DMAPause() |
bogdanm | 0:9b334a45a8ff | 89 | (+) Resume the DMA Transfer using HAL_USART_DMAResume() |
bogdanm | 0:9b334a45a8ff | 90 | (+) Stop the DMA Transfer using HAL_USART_DMAStop() |
bogdanm | 0:9b334a45a8ff | 91 | |
bogdanm | 0:9b334a45a8ff | 92 | *** USART HAL driver macros list *** |
bogdanm | 0:9b334a45a8ff | 93 | ============================================= |
bogdanm | 0:9b334a45a8ff | 94 | [..] |
bogdanm | 0:9b334a45a8ff | 95 | Below the list of most used macros in USART HAL driver. |
bogdanm | 0:9b334a45a8ff | 96 | |
bogdanm | 0:9b334a45a8ff | 97 | (+) __HAL_USART_ENABLE: Enable the USART peripheral |
bogdanm | 0:9b334a45a8ff | 98 | (+) __HAL_USART_DISABLE: Disable the USART peripheral |
bogdanm | 0:9b334a45a8ff | 99 | (+) __HAL_USART_GET_FLAG : Check whether the specified USART flag is set or not |
bogdanm | 0:9b334a45a8ff | 100 | (+) __HAL_USART_CLEAR_FLAG : Clear the specified USART pending flag |
bogdanm | 0:9b334a45a8ff | 101 | (+) __HAL_USART_ENABLE_IT: Enable the specified USART interrupt |
bogdanm | 0:9b334a45a8ff | 102 | (+) __HAL_USART_DISABLE_IT: Disable the specified USART interrupt |
bogdanm | 0:9b334a45a8ff | 103 | (+) __HAL_USART_GET_IT_SOURCE: Check whether the specified USART interrupt has occurred or not |
bogdanm | 0:9b334a45a8ff | 104 | |
bogdanm | 0:9b334a45a8ff | 105 | [..] |
bogdanm | 0:9b334a45a8ff | 106 | (@) You can refer to the USART HAL driver header file for more useful macros |
bogdanm | 0:9b334a45a8ff | 107 | |
bogdanm | 0:9b334a45a8ff | 108 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 109 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 110 | * @attention |
bogdanm | 0:9b334a45a8ff | 111 | * |
mbed_official | 124:6a4a5b7d7324 | 112 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 113 | * |
bogdanm | 0:9b334a45a8ff | 114 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 115 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 116 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 117 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 118 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 119 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 120 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 121 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 122 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 123 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 124 | * |
bogdanm | 0:9b334a45a8ff | 125 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 126 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 127 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 128 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 129 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 130 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 131 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 132 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 133 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 134 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 135 | * |
bogdanm | 0:9b334a45a8ff | 136 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 137 | */ |
bogdanm | 0:9b334a45a8ff | 138 | |
bogdanm | 0:9b334a45a8ff | 139 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 140 | #include "stm32f1xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 141 | |
bogdanm | 0:9b334a45a8ff | 142 | /** @addtogroup STM32F1xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 143 | * @{ |
bogdanm | 0:9b334a45a8ff | 144 | */ |
bogdanm | 0:9b334a45a8ff | 145 | |
bogdanm | 0:9b334a45a8ff | 146 | /** @defgroup USART USART |
bogdanm | 0:9b334a45a8ff | 147 | * @brief HAL USART Synchronous module driver |
bogdanm | 0:9b334a45a8ff | 148 | * @{ |
bogdanm | 0:9b334a45a8ff | 149 | */ |
bogdanm | 0:9b334a45a8ff | 150 | #ifdef HAL_USART_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 151 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 152 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 153 | /** @defgroup USART_Private_Constants USART Private Constants |
bogdanm | 0:9b334a45a8ff | 154 | * @{ |
bogdanm | 0:9b334a45a8ff | 155 | */ |
bogdanm | 0:9b334a45a8ff | 156 | #define DUMMY_DATA 0xFFFF |
bogdanm | 0:9b334a45a8ff | 157 | /** |
bogdanm | 0:9b334a45a8ff | 158 | * @} |
bogdanm | 0:9b334a45a8ff | 159 | */ |
bogdanm | 0:9b334a45a8ff | 160 | |
bogdanm | 0:9b334a45a8ff | 161 | /* Private macros --------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 162 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 163 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 164 | /** @addtogroup USART_Private_Functions USART Private Functions |
bogdanm | 0:9b334a45a8ff | 165 | * @{ |
bogdanm | 0:9b334a45a8ff | 166 | */ |
bogdanm | 0:9b334a45a8ff | 167 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 168 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 169 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 170 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 171 | static void USART_SetConfig (USART_HandleTypeDef *husart); |
bogdanm | 0:9b334a45a8ff | 172 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 173 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 174 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 175 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 176 | static void USART_DMAError(DMA_HandleTypeDef *hdma); |
bogdanm | 0:9b334a45a8ff | 177 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout); |
bogdanm | 0:9b334a45a8ff | 178 | /** |
bogdanm | 0:9b334a45a8ff | 179 | * @} |
bogdanm | 0:9b334a45a8ff | 180 | */ |
bogdanm | 0:9b334a45a8ff | 181 | |
bogdanm | 0:9b334a45a8ff | 182 | /* Exported functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 183 | |
bogdanm | 0:9b334a45a8ff | 184 | |
bogdanm | 0:9b334a45a8ff | 185 | /** @defgroup USART_Exported_Functions USART Exported Functions |
bogdanm | 0:9b334a45a8ff | 186 | * @{ |
bogdanm | 0:9b334a45a8ff | 187 | */ |
bogdanm | 0:9b334a45a8ff | 188 | |
bogdanm | 0:9b334a45a8ff | 189 | /** @defgroup USART_Exported_Functions_Group1 Initialization and de-initialization functions |
bogdanm | 0:9b334a45a8ff | 190 | * @brief Initialization and Configuration functions |
bogdanm | 0:9b334a45a8ff | 191 | * |
bogdanm | 0:9b334a45a8ff | 192 | @verbatim |
bogdanm | 0:9b334a45a8ff | 193 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 194 | ##### Initialization and Configuration functions ##### |
bogdanm | 0:9b334a45a8ff | 195 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 196 | [..] |
bogdanm | 0:9b334a45a8ff | 197 | This subsection provides a set of functions allowing to initialize the USART |
bogdanm | 0:9b334a45a8ff | 198 | in asynchronous and in synchronous modes. |
bogdanm | 0:9b334a45a8ff | 199 | (+) For the asynchronous mode only these parameters can be configured: |
bogdanm | 0:9b334a45a8ff | 200 | (++) Baud Rate |
bogdanm | 0:9b334a45a8ff | 201 | (++) Word Length |
bogdanm | 0:9b334a45a8ff | 202 | (++) Stop Bit |
mbed_official | 124:6a4a5b7d7324 | 203 | (++) Parity |
bogdanm | 0:9b334a45a8ff | 204 | (++) USART polarity |
bogdanm | 0:9b334a45a8ff | 205 | (++) USART phase |
bogdanm | 0:9b334a45a8ff | 206 | (++) USART LastBit |
bogdanm | 0:9b334a45a8ff | 207 | (++) Receiver/transmitter modes |
bogdanm | 0:9b334a45a8ff | 208 | |
bogdanm | 0:9b334a45a8ff | 209 | [..] |
bogdanm | 0:9b334a45a8ff | 210 | The HAL_USART_Init() function follows the USART synchronous configuration |
bogdanm | 0:9b334a45a8ff | 211 | procedure (details for the procedure are available in reference manuals |
bogdanm | 0:9b334a45a8ff | 212 | (RM0008 for STM32F10Xxx MCUs and RM0041 for STM32F100xx MCUs)). |
bogdanm | 0:9b334a45a8ff | 213 | |
bogdanm | 0:9b334a45a8ff | 214 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 215 | * @{ |
bogdanm | 0:9b334a45a8ff | 216 | */ |
mbed_official | 124:6a4a5b7d7324 | 217 | |
mbed_official | 124:6a4a5b7d7324 | 218 | /* |
mbed_official | 124:6a4a5b7d7324 | 219 | Additionnal remark: If the parity is enabled, then the MSB bit of the data written |
mbed_official | 124:6a4a5b7d7324 | 220 | in the data register is transmitted but is changed by the parity bit. |
mbed_official | 124:6a4a5b7d7324 | 221 | Depending on the frame length defined by the M bit (8-bits or 9-bits), |
mbed_official | 124:6a4a5b7d7324 | 222 | the possible USART frame formats are as listed in the following table: |
mbed_official | 124:6a4a5b7d7324 | 223 | +-------------------------------------------------------------+ |
mbed_official | 124:6a4a5b7d7324 | 224 | | M bit | PCE bit | USART frame | |
mbed_official | 124:6a4a5b7d7324 | 225 | |---------------------|---------------------------------------| |
mbed_official | 124:6a4a5b7d7324 | 226 | | 0 | 0 | | SB | 8 bit data | STB | | |
mbed_official | 124:6a4a5b7d7324 | 227 | |---------|-----------|---------------------------------------| |
mbed_official | 124:6a4a5b7d7324 | 228 | | 0 | 1 | | SB | 7 bit data | PB | STB | | |
mbed_official | 124:6a4a5b7d7324 | 229 | |---------|-----------|---------------------------------------| |
mbed_official | 124:6a4a5b7d7324 | 230 | | 1 | 0 | | SB | 9 bit data | STB | | |
mbed_official | 124:6a4a5b7d7324 | 231 | |---------|-----------|---------------------------------------| |
mbed_official | 124:6a4a5b7d7324 | 232 | | 1 | 1 | | SB | 8 bit data | PB | STB | | |
mbed_official | 124:6a4a5b7d7324 | 233 | +-------------------------------------------------------------+ |
mbed_official | 124:6a4a5b7d7324 | 234 | */ |
bogdanm | 0:9b334a45a8ff | 235 | |
bogdanm | 0:9b334a45a8ff | 236 | /** |
bogdanm | 0:9b334a45a8ff | 237 | * @brief Initializes the USART mode according to the specified |
bogdanm | 0:9b334a45a8ff | 238 | * parameters in the USART_InitTypeDef and create the associated handle. |
bogdanm | 0:9b334a45a8ff | 239 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 240 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 241 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 242 | */ |
bogdanm | 0:9b334a45a8ff | 243 | HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 244 | { |
bogdanm | 0:9b334a45a8ff | 245 | /* Check the USART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 246 | if(husart == NULL) |
bogdanm | 0:9b334a45a8ff | 247 | { |
bogdanm | 0:9b334a45a8ff | 248 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 249 | } |
bogdanm | 0:9b334a45a8ff | 250 | |
bogdanm | 0:9b334a45a8ff | 251 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 252 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
bogdanm | 0:9b334a45a8ff | 253 | |
bogdanm | 0:9b334a45a8ff | 254 | if(husart->State == HAL_USART_STATE_RESET) |
bogdanm | 0:9b334a45a8ff | 255 | { |
bogdanm | 0:9b334a45a8ff | 256 | /* Allocate lock resource and initialize it */ |
mbed_official | 124:6a4a5b7d7324 | 257 | husart->Lock = HAL_UNLOCKED; |
bogdanm | 0:9b334a45a8ff | 258 | |
bogdanm | 0:9b334a45a8ff | 259 | /* Init the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 260 | HAL_USART_MspInit(husart); |
bogdanm | 0:9b334a45a8ff | 261 | } |
bogdanm | 0:9b334a45a8ff | 262 | |
bogdanm | 0:9b334a45a8ff | 263 | husart->State = HAL_USART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 264 | |
bogdanm | 0:9b334a45a8ff | 265 | /* Set the USART Communication parameters */ |
bogdanm | 0:9b334a45a8ff | 266 | USART_SetConfig(husart); |
bogdanm | 0:9b334a45a8ff | 267 | |
bogdanm | 0:9b334a45a8ff | 268 | /* In USART mode, the following bits must be kept cleared: |
bogdanm | 0:9b334a45a8ff | 269 | - LINEN bit in the USART_CR2 register |
bogdanm | 0:9b334a45a8ff | 270 | - HDSEL, SCEN and IREN bits in the USART_CR3 register */ |
bogdanm | 0:9b334a45a8ff | 271 | CLEAR_BIT(husart->Instance->CR2, USART_CR2_LINEN); |
bogdanm | 0:9b334a45a8ff | 272 | CLEAR_BIT(husart->Instance->CR3, (USART_CR3_IREN | USART_CR3_SCEN | USART_CR3_HDSEL)); |
bogdanm | 0:9b334a45a8ff | 273 | |
bogdanm | 0:9b334a45a8ff | 274 | /* Enable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 275 | __HAL_USART_ENABLE(husart); |
bogdanm | 0:9b334a45a8ff | 276 | |
bogdanm | 0:9b334a45a8ff | 277 | /* Initialize the USART state */ |
bogdanm | 0:9b334a45a8ff | 278 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 279 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 280 | |
bogdanm | 0:9b334a45a8ff | 281 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 282 | } |
bogdanm | 0:9b334a45a8ff | 283 | |
bogdanm | 0:9b334a45a8ff | 284 | /** |
bogdanm | 0:9b334a45a8ff | 285 | * @brief DeInitializes the USART peripheral. |
bogdanm | 0:9b334a45a8ff | 286 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 287 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 288 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 289 | */ |
bogdanm | 0:9b334a45a8ff | 290 | HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 291 | { |
bogdanm | 0:9b334a45a8ff | 292 | /* Check the USART handle allocation */ |
bogdanm | 0:9b334a45a8ff | 293 | if(husart == NULL) |
bogdanm | 0:9b334a45a8ff | 294 | { |
bogdanm | 0:9b334a45a8ff | 295 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 296 | } |
bogdanm | 0:9b334a45a8ff | 297 | |
bogdanm | 0:9b334a45a8ff | 298 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 299 | assert_param(IS_USART_INSTANCE(husart->Instance)); |
bogdanm | 0:9b334a45a8ff | 300 | |
bogdanm | 0:9b334a45a8ff | 301 | husart->State = HAL_USART_STATE_BUSY; |
bogdanm | 0:9b334a45a8ff | 302 | |
bogdanm | 0:9b334a45a8ff | 303 | /* Disable the Peripheral */ |
bogdanm | 0:9b334a45a8ff | 304 | __HAL_USART_DISABLE(husart); |
bogdanm | 0:9b334a45a8ff | 305 | |
bogdanm | 0:9b334a45a8ff | 306 | /* DeInit the low level hardware */ |
bogdanm | 0:9b334a45a8ff | 307 | HAL_USART_MspDeInit(husart); |
bogdanm | 0:9b334a45a8ff | 308 | |
bogdanm | 0:9b334a45a8ff | 309 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 310 | husart->State = HAL_USART_STATE_RESET; |
bogdanm | 0:9b334a45a8ff | 311 | |
bogdanm | 0:9b334a45a8ff | 312 | /* Release Lock */ |
bogdanm | 0:9b334a45a8ff | 313 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 314 | |
bogdanm | 0:9b334a45a8ff | 315 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 316 | } |
bogdanm | 0:9b334a45a8ff | 317 | |
bogdanm | 0:9b334a45a8ff | 318 | /** |
bogdanm | 0:9b334a45a8ff | 319 | * @brief USART MSP Init. |
bogdanm | 0:9b334a45a8ff | 320 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 321 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 322 | * @retval None |
bogdanm | 0:9b334a45a8ff | 323 | */ |
bogdanm | 0:9b334a45a8ff | 324 | __weak void HAL_USART_MspInit(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 325 | { |
mbed_official | 124:6a4a5b7d7324 | 326 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 327 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 328 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 329 | the HAL_USART_MspInit can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 330 | */ |
bogdanm | 0:9b334a45a8ff | 331 | } |
bogdanm | 0:9b334a45a8ff | 332 | |
bogdanm | 0:9b334a45a8ff | 333 | /** |
bogdanm | 0:9b334a45a8ff | 334 | * @brief USART MSP DeInit. |
bogdanm | 0:9b334a45a8ff | 335 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 336 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 337 | * @retval None |
bogdanm | 0:9b334a45a8ff | 338 | */ |
bogdanm | 0:9b334a45a8ff | 339 | __weak void HAL_USART_MspDeInit(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 340 | { |
mbed_official | 124:6a4a5b7d7324 | 341 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 342 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 343 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 344 | the HAL_USART_MspDeInit can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 345 | */ |
bogdanm | 0:9b334a45a8ff | 346 | } |
bogdanm | 0:9b334a45a8ff | 347 | |
bogdanm | 0:9b334a45a8ff | 348 | /** |
bogdanm | 0:9b334a45a8ff | 349 | * @} |
bogdanm | 0:9b334a45a8ff | 350 | */ |
bogdanm | 0:9b334a45a8ff | 351 | |
bogdanm | 0:9b334a45a8ff | 352 | /** @defgroup USART_Exported_Functions_Group2 IO operation functions |
bogdanm | 0:9b334a45a8ff | 353 | * @brief USART Transmit and Receive functions |
bogdanm | 0:9b334a45a8ff | 354 | * |
bogdanm | 0:9b334a45a8ff | 355 | @verbatim |
bogdanm | 0:9b334a45a8ff | 356 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 357 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 358 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 359 | [..] |
bogdanm | 0:9b334a45a8ff | 360 | This subsection provides a set of functions allowing to manage the USART synchronous |
bogdanm | 0:9b334a45a8ff | 361 | data transfers. |
bogdanm | 0:9b334a45a8ff | 362 | |
bogdanm | 0:9b334a45a8ff | 363 | [..] |
bogdanm | 0:9b334a45a8ff | 364 | The USART supports master mode only: it cannot receive or send data related to an input |
bogdanm | 0:9b334a45a8ff | 365 | clock (SCLK is always an output). |
bogdanm | 0:9b334a45a8ff | 366 | |
bogdanm | 0:9b334a45a8ff | 367 | (#) There are two modes of transfer: |
bogdanm | 0:9b334a45a8ff | 368 | (++) Blocking mode: The communication is performed in polling mode. |
bogdanm | 0:9b334a45a8ff | 369 | The HAL status of all data processing is returned by the same function |
bogdanm | 0:9b334a45a8ff | 370 | after finishing transfer. |
bogdanm | 0:9b334a45a8ff | 371 | (++) No-Blocking mode: The communication is performed using Interrupts |
bogdanm | 0:9b334a45a8ff | 372 | or DMA, These API's return the HAL status. |
bogdanm | 0:9b334a45a8ff | 373 | The end of the data processing will be indicated through the |
bogdanm | 0:9b334a45a8ff | 374 | dedicated USART IRQ when using Interrupt mode or the DMA IRQ when |
bogdanm | 0:9b334a45a8ff | 375 | using DMA mode. |
bogdanm | 0:9b334a45a8ff | 376 | The HAL_USART_TxCpltCallback(), HAL_USART_RxCpltCallback() and HAL_USART_TxRxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 377 | user callbacks |
bogdanm | 0:9b334a45a8ff | 378 | will be executed respectively at the end of the transmit or Receive process |
bogdanm | 0:9b334a45a8ff | 379 | The HAL_USART_ErrorCallback() user callback will be executed when a communication |
bogdanm | 0:9b334a45a8ff | 380 | error is detected |
bogdanm | 0:9b334a45a8ff | 381 | |
bogdanm | 0:9b334a45a8ff | 382 | (#) Blocking mode APIs are : |
bogdanm | 0:9b334a45a8ff | 383 | (++) HAL_USART_Transmit() in simplex mode |
bogdanm | 0:9b334a45a8ff | 384 | (++) HAL_USART_Receive() in full duplex receive only |
bogdanm | 0:9b334a45a8ff | 385 | (++) HAL_USART_TransmitReceive() in full duplex mode |
bogdanm | 0:9b334a45a8ff | 386 | |
bogdanm | 0:9b334a45a8ff | 387 | (#) Non Blocking mode APIs with Interrupt are : |
bogdanm | 0:9b334a45a8ff | 388 | (++) HAL_USART_Transmit_IT()in simplex mode |
bogdanm | 0:9b334a45a8ff | 389 | (++) HAL_USART_Receive_IT() in full duplex receive only |
bogdanm | 0:9b334a45a8ff | 390 | (++) HAL_USART_TransmitReceive_IT() in full duplex mode |
bogdanm | 0:9b334a45a8ff | 391 | (++) HAL_USART_IRQHandler() |
bogdanm | 0:9b334a45a8ff | 392 | |
bogdanm | 0:9b334a45a8ff | 393 | (#) Non Blocking mode functions with DMA are : |
bogdanm | 0:9b334a45a8ff | 394 | (++) HAL_USART_Transmit_DMA()in simplex mode |
bogdanm | 0:9b334a45a8ff | 395 | (++) HAL_USART_Receive_DMA() in full duplex receive only |
bogdanm | 0:9b334a45a8ff | 396 | (++) HAL_USART_TransmitReceive_DMA() in full duplex mode |
bogdanm | 0:9b334a45a8ff | 397 | (++) HAL_USART_DMAPause() |
bogdanm | 0:9b334a45a8ff | 398 | (++) HAL_USART_DMAResume() |
bogdanm | 0:9b334a45a8ff | 399 | (++) HAL_USART_DMAStop() |
bogdanm | 0:9b334a45a8ff | 400 | |
bogdanm | 0:9b334a45a8ff | 401 | (#) A set of Transfer Complete Callbacks are provided in non Blocking mode: |
bogdanm | 0:9b334a45a8ff | 402 | (++) HAL_USART_TxHalfCpltCallback() |
bogdanm | 0:9b334a45a8ff | 403 | (++) HAL_USART_TxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 404 | (++) HAL_USART_RxHalfCpltCallback() |
bogdanm | 0:9b334a45a8ff | 405 | (++) HAL_USART_RxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 406 | (++) HAL_USART_ErrorCallback() |
bogdanm | 0:9b334a45a8ff | 407 | (++) HAL_USART_TxRxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 408 | |
bogdanm | 0:9b334a45a8ff | 409 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 410 | * @{ |
bogdanm | 0:9b334a45a8ff | 411 | */ |
bogdanm | 0:9b334a45a8ff | 412 | |
bogdanm | 0:9b334a45a8ff | 413 | /** |
bogdanm | 0:9b334a45a8ff | 414 | * @brief Simplex Send an amount of data in blocking mode. |
bogdanm | 0:9b334a45a8ff | 415 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 416 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 417 | * @param pTxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 418 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 419 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 420 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 421 | */ |
bogdanm | 0:9b334a45a8ff | 422 | HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 423 | { |
bogdanm | 0:9b334a45a8ff | 424 | uint16_t* tmp=0; |
bogdanm | 0:9b334a45a8ff | 425 | |
bogdanm | 0:9b334a45a8ff | 426 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 427 | { |
bogdanm | 0:9b334a45a8ff | 428 | if((pTxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 429 | { |
bogdanm | 0:9b334a45a8ff | 430 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 431 | } |
bogdanm | 0:9b334a45a8ff | 432 | |
bogdanm | 0:9b334a45a8ff | 433 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 434 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 435 | |
bogdanm | 0:9b334a45a8ff | 436 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 437 | husart->State = HAL_USART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 438 | |
bogdanm | 0:9b334a45a8ff | 439 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 440 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 441 | while(husart->TxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 442 | { |
bogdanm | 0:9b334a45a8ff | 443 | husart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 444 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 445 | { |
bogdanm | 0:9b334a45a8ff | 446 | /* Wait for TC flag in order to write data in DR */ |
bogdanm | 0:9b334a45a8ff | 447 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 448 | { |
bogdanm | 0:9b334a45a8ff | 449 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 450 | } |
bogdanm | 0:9b334a45a8ff | 451 | tmp = (uint16_t*) pTxData; |
bogdanm | 0:9b334a45a8ff | 452 | WRITE_REG(husart->Instance->DR, (*tmp & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 453 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 454 | { |
bogdanm | 0:9b334a45a8ff | 455 | pTxData += 2; |
bogdanm | 0:9b334a45a8ff | 456 | } |
bogdanm | 0:9b334a45a8ff | 457 | else |
bogdanm | 0:9b334a45a8ff | 458 | { |
bogdanm | 0:9b334a45a8ff | 459 | pTxData += 1; |
bogdanm | 0:9b334a45a8ff | 460 | } |
bogdanm | 0:9b334a45a8ff | 461 | } |
bogdanm | 0:9b334a45a8ff | 462 | else |
bogdanm | 0:9b334a45a8ff | 463 | { |
bogdanm | 0:9b334a45a8ff | 464 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 465 | { |
bogdanm | 0:9b334a45a8ff | 466 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 467 | } |
bogdanm | 0:9b334a45a8ff | 468 | WRITE_REG(husart->Instance->DR, (*pTxData++ & (uint8_t)0xFF)); |
bogdanm | 0:9b334a45a8ff | 469 | } |
bogdanm | 0:9b334a45a8ff | 470 | } |
bogdanm | 0:9b334a45a8ff | 471 | |
bogdanm | 0:9b334a45a8ff | 472 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TC, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 473 | { |
bogdanm | 0:9b334a45a8ff | 474 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 475 | } |
bogdanm | 0:9b334a45a8ff | 476 | |
bogdanm | 0:9b334a45a8ff | 477 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 478 | |
bogdanm | 0:9b334a45a8ff | 479 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 480 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 481 | |
bogdanm | 0:9b334a45a8ff | 482 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 483 | } |
bogdanm | 0:9b334a45a8ff | 484 | else |
bogdanm | 0:9b334a45a8ff | 485 | { |
bogdanm | 0:9b334a45a8ff | 486 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 487 | } |
bogdanm | 0:9b334a45a8ff | 488 | } |
bogdanm | 0:9b334a45a8ff | 489 | |
bogdanm | 0:9b334a45a8ff | 490 | /** |
bogdanm | 0:9b334a45a8ff | 491 | * @brief Full-Duplex Receive an amount of data in blocking mode. |
bogdanm | 0:9b334a45a8ff | 492 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 493 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 494 | * @param pRxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 495 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 496 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 497 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 498 | */ |
bogdanm | 0:9b334a45a8ff | 499 | HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 500 | { |
bogdanm | 0:9b334a45a8ff | 501 | uint16_t* tmp=0; |
bogdanm | 0:9b334a45a8ff | 502 | |
bogdanm | 0:9b334a45a8ff | 503 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 504 | { |
bogdanm | 0:9b334a45a8ff | 505 | if((pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 506 | { |
bogdanm | 0:9b334a45a8ff | 507 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 508 | } |
bogdanm | 0:9b334a45a8ff | 509 | |
bogdanm | 0:9b334a45a8ff | 510 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 511 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 512 | |
bogdanm | 0:9b334a45a8ff | 513 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 514 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 515 | |
bogdanm | 0:9b334a45a8ff | 516 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 517 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 518 | /* Check the remain data to be received */ |
bogdanm | 0:9b334a45a8ff | 519 | while(husart->RxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 520 | { |
bogdanm | 0:9b334a45a8ff | 521 | husart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 522 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 523 | { |
bogdanm | 0:9b334a45a8ff | 524 | /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ |
bogdanm | 0:9b334a45a8ff | 525 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 526 | { |
bogdanm | 0:9b334a45a8ff | 527 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 528 | } |
bogdanm | 0:9b334a45a8ff | 529 | /* Send dummy byte in order to generate clock */ |
bogdanm | 0:9b334a45a8ff | 530 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 531 | |
bogdanm | 0:9b334a45a8ff | 532 | /* Wait for RXNE Flag */ |
bogdanm | 0:9b334a45a8ff | 533 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 534 | { |
bogdanm | 0:9b334a45a8ff | 535 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 536 | } |
bogdanm | 0:9b334a45a8ff | 537 | tmp = (uint16_t*) pRxData ; |
bogdanm | 0:9b334a45a8ff | 538 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 539 | { |
bogdanm | 0:9b334a45a8ff | 540 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 541 | pRxData +=2; |
bogdanm | 0:9b334a45a8ff | 542 | } |
bogdanm | 0:9b334a45a8ff | 543 | else |
bogdanm | 0:9b334a45a8ff | 544 | { |
bogdanm | 0:9b334a45a8ff | 545 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 546 | pRxData +=1; |
bogdanm | 0:9b334a45a8ff | 547 | } |
bogdanm | 0:9b334a45a8ff | 548 | } |
bogdanm | 0:9b334a45a8ff | 549 | else |
bogdanm | 0:9b334a45a8ff | 550 | { |
bogdanm | 0:9b334a45a8ff | 551 | /* Wait until TXE flag is set to send dummy byte in order to generate the clock for the slave to send data */ |
bogdanm | 0:9b334a45a8ff | 552 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 553 | { |
bogdanm | 0:9b334a45a8ff | 554 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 555 | } |
bogdanm | 0:9b334a45a8ff | 556 | |
bogdanm | 0:9b334a45a8ff | 557 | /* Send Dummy Byte in order to generate clock */ |
bogdanm | 0:9b334a45a8ff | 558 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x00FF)); |
bogdanm | 0:9b334a45a8ff | 559 | |
bogdanm | 0:9b334a45a8ff | 560 | /* Wait until RXNE flag is set to receive the byte */ |
bogdanm | 0:9b334a45a8ff | 561 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 562 | { |
bogdanm | 0:9b334a45a8ff | 563 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 564 | } |
bogdanm | 0:9b334a45a8ff | 565 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 566 | { |
bogdanm | 0:9b334a45a8ff | 567 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 568 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 569 | } |
bogdanm | 0:9b334a45a8ff | 570 | else |
bogdanm | 0:9b334a45a8ff | 571 | { |
bogdanm | 0:9b334a45a8ff | 572 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 573 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 574 | } |
bogdanm | 0:9b334a45a8ff | 575 | |
bogdanm | 0:9b334a45a8ff | 576 | } |
bogdanm | 0:9b334a45a8ff | 577 | } |
bogdanm | 0:9b334a45a8ff | 578 | |
bogdanm | 0:9b334a45a8ff | 579 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 580 | |
bogdanm | 0:9b334a45a8ff | 581 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 582 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 583 | |
bogdanm | 0:9b334a45a8ff | 584 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 585 | } |
bogdanm | 0:9b334a45a8ff | 586 | else |
bogdanm | 0:9b334a45a8ff | 587 | { |
bogdanm | 0:9b334a45a8ff | 588 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 589 | } |
bogdanm | 0:9b334a45a8ff | 590 | } |
bogdanm | 0:9b334a45a8ff | 591 | |
bogdanm | 0:9b334a45a8ff | 592 | /** |
bogdanm | 0:9b334a45a8ff | 593 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (blocking mode). |
bogdanm | 0:9b334a45a8ff | 594 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 595 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 596 | * @param pTxData: Pointer to data transmitted buffer |
bogdanm | 0:9b334a45a8ff | 597 | * @param pRxData: Pointer to data received buffer |
bogdanm | 0:9b334a45a8ff | 598 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 599 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 600 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 601 | */ |
bogdanm | 0:9b334a45a8ff | 602 | HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 603 | { |
bogdanm | 0:9b334a45a8ff | 604 | uint16_t* tmp=0; |
bogdanm | 0:9b334a45a8ff | 605 | |
bogdanm | 0:9b334a45a8ff | 606 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 607 | { |
bogdanm | 0:9b334a45a8ff | 608 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 609 | { |
bogdanm | 0:9b334a45a8ff | 610 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 611 | } |
bogdanm | 0:9b334a45a8ff | 612 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 613 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 614 | |
bogdanm | 0:9b334a45a8ff | 615 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 616 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 617 | |
bogdanm | 0:9b334a45a8ff | 618 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 619 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 620 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 621 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 622 | |
bogdanm | 0:9b334a45a8ff | 623 | /* Check the remain data to be received */ |
bogdanm | 0:9b334a45a8ff | 624 | while(husart->TxXferCount > 0) |
bogdanm | 0:9b334a45a8ff | 625 | { |
bogdanm | 0:9b334a45a8ff | 626 | husart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 627 | husart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 628 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 629 | { |
bogdanm | 0:9b334a45a8ff | 630 | /* Wait for TC flag in order to write data in DR */ |
bogdanm | 0:9b334a45a8ff | 631 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 632 | { |
bogdanm | 0:9b334a45a8ff | 633 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 634 | } |
bogdanm | 0:9b334a45a8ff | 635 | tmp = (uint16_t*) pTxData; |
bogdanm | 0:9b334a45a8ff | 636 | WRITE_REG(husart->Instance->DR, (*tmp & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 637 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 638 | { |
bogdanm | 0:9b334a45a8ff | 639 | pTxData += 2; |
bogdanm | 0:9b334a45a8ff | 640 | } |
bogdanm | 0:9b334a45a8ff | 641 | else |
bogdanm | 0:9b334a45a8ff | 642 | { |
bogdanm | 0:9b334a45a8ff | 643 | pTxData += 1; |
bogdanm | 0:9b334a45a8ff | 644 | } |
bogdanm | 0:9b334a45a8ff | 645 | |
bogdanm | 0:9b334a45a8ff | 646 | /* Wait for RXNE Flag */ |
bogdanm | 0:9b334a45a8ff | 647 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 648 | { |
bogdanm | 0:9b334a45a8ff | 649 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 650 | } |
bogdanm | 0:9b334a45a8ff | 651 | tmp = (uint16_t*) pRxData ; |
bogdanm | 0:9b334a45a8ff | 652 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 653 | { |
bogdanm | 0:9b334a45a8ff | 654 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 655 | pRxData += 2; |
bogdanm | 0:9b334a45a8ff | 656 | } |
bogdanm | 0:9b334a45a8ff | 657 | else |
bogdanm | 0:9b334a45a8ff | 658 | { |
bogdanm | 0:9b334a45a8ff | 659 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 660 | pRxData += 1; |
bogdanm | 0:9b334a45a8ff | 661 | } |
bogdanm | 0:9b334a45a8ff | 662 | } |
bogdanm | 0:9b334a45a8ff | 663 | else |
bogdanm | 0:9b334a45a8ff | 664 | { |
bogdanm | 0:9b334a45a8ff | 665 | /* Wait for TC flag in order to write data in DR */ |
bogdanm | 0:9b334a45a8ff | 666 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_TXE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 667 | { |
bogdanm | 0:9b334a45a8ff | 668 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 669 | } |
bogdanm | 0:9b334a45a8ff | 670 | WRITE_REG(husart->Instance->DR, (*pTxData++ & (uint8_t)0x00FF)); |
bogdanm | 0:9b334a45a8ff | 671 | |
bogdanm | 0:9b334a45a8ff | 672 | /* Wait for RXNE Flag */ |
bogdanm | 0:9b334a45a8ff | 673 | if(USART_WaitOnFlagUntilTimeout(husart, USART_FLAG_RXNE, RESET, Timeout) != HAL_OK) |
bogdanm | 0:9b334a45a8ff | 674 | { |
bogdanm | 0:9b334a45a8ff | 675 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 676 | } |
bogdanm | 0:9b334a45a8ff | 677 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 678 | { |
bogdanm | 0:9b334a45a8ff | 679 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 680 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 681 | } |
bogdanm | 0:9b334a45a8ff | 682 | else |
bogdanm | 0:9b334a45a8ff | 683 | { |
bogdanm | 0:9b334a45a8ff | 684 | /* Receive data */ |
bogdanm | 0:9b334a45a8ff | 685 | *pRxData++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 686 | } |
bogdanm | 0:9b334a45a8ff | 687 | } |
bogdanm | 0:9b334a45a8ff | 688 | } |
bogdanm | 0:9b334a45a8ff | 689 | |
bogdanm | 0:9b334a45a8ff | 690 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 691 | |
bogdanm | 0:9b334a45a8ff | 692 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 693 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 694 | |
bogdanm | 0:9b334a45a8ff | 695 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 696 | } |
bogdanm | 0:9b334a45a8ff | 697 | else |
bogdanm | 0:9b334a45a8ff | 698 | { |
bogdanm | 0:9b334a45a8ff | 699 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 700 | } |
bogdanm | 0:9b334a45a8ff | 701 | } |
bogdanm | 0:9b334a45a8ff | 702 | |
bogdanm | 0:9b334a45a8ff | 703 | /** |
bogdanm | 0:9b334a45a8ff | 704 | * @brief Simplex Send an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 705 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 706 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 707 | * @param pTxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 708 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 709 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 710 | * @note The USART errors are not managed to avoid the overrun error. |
bogdanm | 0:9b334a45a8ff | 711 | */ |
bogdanm | 0:9b334a45a8ff | 712 | HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 713 | { |
bogdanm | 0:9b334a45a8ff | 714 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 715 | { |
bogdanm | 0:9b334a45a8ff | 716 | if((pTxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 717 | { |
bogdanm | 0:9b334a45a8ff | 718 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 719 | } |
bogdanm | 0:9b334a45a8ff | 720 | |
bogdanm | 0:9b334a45a8ff | 721 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 722 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 723 | |
bogdanm | 0:9b334a45a8ff | 724 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 725 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 726 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 727 | |
bogdanm | 0:9b334a45a8ff | 728 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 729 | husart->State = HAL_USART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 730 | |
bogdanm | 0:9b334a45a8ff | 731 | /* The USART Error Interrupts: (Frame error, Noise error, Overrun error) |
bogdanm | 0:9b334a45a8ff | 732 | are not managed by the USART transmit process to avoid the overrun interrupt |
bogdanm | 0:9b334a45a8ff | 733 | when the USART mode is configured for transmit and receive "USART_MODE_TX_RX" |
bogdanm | 0:9b334a45a8ff | 734 | to benefit for the frame error and noise interrupts the USART mode should be |
bogdanm | 0:9b334a45a8ff | 735 | configured only for transmit "USART_MODE_TX" |
bogdanm | 0:9b334a45a8ff | 736 | The __HAL_USART_ENABLE_IT(husart, USART_IT_ERR) can be used to enable the Frame error, |
bogdanm | 0:9b334a45a8ff | 737 | Noise error interrupt */ |
bogdanm | 0:9b334a45a8ff | 738 | |
bogdanm | 0:9b334a45a8ff | 739 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 740 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 741 | |
bogdanm | 0:9b334a45a8ff | 742 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 743 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 744 | |
bogdanm | 0:9b334a45a8ff | 745 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 746 | } |
bogdanm | 0:9b334a45a8ff | 747 | else |
bogdanm | 0:9b334a45a8ff | 748 | { |
bogdanm | 0:9b334a45a8ff | 749 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 750 | } |
bogdanm | 0:9b334a45a8ff | 751 | } |
bogdanm | 0:9b334a45a8ff | 752 | |
bogdanm | 0:9b334a45a8ff | 753 | /** |
bogdanm | 0:9b334a45a8ff | 754 | * @brief Simplex Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 755 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 756 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 757 | * @param pRxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 758 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 759 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 760 | */ |
bogdanm | 0:9b334a45a8ff | 761 | HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 762 | { |
bogdanm | 0:9b334a45a8ff | 763 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 764 | { |
bogdanm | 0:9b334a45a8ff | 765 | if((pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 766 | { |
bogdanm | 0:9b334a45a8ff | 767 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 768 | } |
bogdanm | 0:9b334a45a8ff | 769 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 770 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 771 | |
bogdanm | 0:9b334a45a8ff | 772 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 773 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 774 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 775 | |
bogdanm | 0:9b334a45a8ff | 776 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 777 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 778 | |
bogdanm | 0:9b334a45a8ff | 779 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 780 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 781 | |
bogdanm | 0:9b334a45a8ff | 782 | /* Enable the USART Data Register not empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 783 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 784 | |
bogdanm | 0:9b334a45a8ff | 785 | /* Enable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 786 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 787 | |
bogdanm | 0:9b334a45a8ff | 788 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 789 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 790 | |
bogdanm | 0:9b334a45a8ff | 791 | /* Send dummy byte in order to generate the clock for the slave to send data */ |
bogdanm | 0:9b334a45a8ff | 792 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 793 | |
bogdanm | 0:9b334a45a8ff | 794 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 795 | } |
bogdanm | 0:9b334a45a8ff | 796 | else |
bogdanm | 0:9b334a45a8ff | 797 | { |
bogdanm | 0:9b334a45a8ff | 798 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 799 | } |
bogdanm | 0:9b334a45a8ff | 800 | } |
bogdanm | 0:9b334a45a8ff | 801 | |
bogdanm | 0:9b334a45a8ff | 802 | /** |
bogdanm | 0:9b334a45a8ff | 803 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
bogdanm | 0:9b334a45a8ff | 804 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 805 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 806 | * @param pTxData: Pointer to data transmitted buffer |
bogdanm | 0:9b334a45a8ff | 807 | * @param pRxData: Pointer to data received buffer |
bogdanm | 0:9b334a45a8ff | 808 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 809 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 810 | */ |
bogdanm | 0:9b334a45a8ff | 811 | HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 812 | { |
bogdanm | 0:9b334a45a8ff | 813 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 814 | { |
bogdanm | 0:9b334a45a8ff | 815 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 816 | { |
bogdanm | 0:9b334a45a8ff | 817 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 818 | } |
bogdanm | 0:9b334a45a8ff | 819 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 820 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 821 | |
bogdanm | 0:9b334a45a8ff | 822 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 823 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 824 | husart->RxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 825 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 826 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 827 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 828 | |
bogdanm | 0:9b334a45a8ff | 829 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 830 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 831 | |
bogdanm | 0:9b334a45a8ff | 832 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 833 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 834 | |
bogdanm | 0:9b334a45a8ff | 835 | /* Enable the USART Data Register not empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 836 | __HAL_USART_ENABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 837 | |
bogdanm | 0:9b334a45a8ff | 838 | /* Enable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 839 | __HAL_USART_ENABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 840 | |
bogdanm | 0:9b334a45a8ff | 841 | /* Enable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 842 | __HAL_USART_ENABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 843 | |
bogdanm | 0:9b334a45a8ff | 844 | /* Enable the USART Transmit Data Register Empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 845 | __HAL_USART_ENABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 846 | |
bogdanm | 0:9b334a45a8ff | 847 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 848 | } |
bogdanm | 0:9b334a45a8ff | 849 | else |
bogdanm | 0:9b334a45a8ff | 850 | { |
bogdanm | 0:9b334a45a8ff | 851 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 852 | } |
bogdanm | 0:9b334a45a8ff | 853 | } |
bogdanm | 0:9b334a45a8ff | 854 | |
bogdanm | 0:9b334a45a8ff | 855 | /** |
bogdanm | 0:9b334a45a8ff | 856 | * @brief Simplex Send an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 857 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 858 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 859 | * @param pTxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 860 | * @param Size: Amount of data to be sent |
bogdanm | 0:9b334a45a8ff | 861 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 862 | */ |
bogdanm | 0:9b334a45a8ff | 863 | HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 864 | { |
bogdanm | 0:9b334a45a8ff | 865 | uint32_t *tmp=0; |
bogdanm | 0:9b334a45a8ff | 866 | |
bogdanm | 0:9b334a45a8ff | 867 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 868 | { |
bogdanm | 0:9b334a45a8ff | 869 | if((pTxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 870 | { |
bogdanm | 0:9b334a45a8ff | 871 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 872 | } |
bogdanm | 0:9b334a45a8ff | 873 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 874 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 875 | |
bogdanm | 0:9b334a45a8ff | 876 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 877 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 878 | husart->TxXferCount = Size; |
bogdanm | 0:9b334a45a8ff | 879 | |
bogdanm | 0:9b334a45a8ff | 880 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 881 | husart->State = HAL_USART_STATE_BUSY_TX; |
bogdanm | 0:9b334a45a8ff | 882 | |
bogdanm | 0:9b334a45a8ff | 883 | /* Set the USART DMA transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 884 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
bogdanm | 0:9b334a45a8ff | 885 | |
bogdanm | 0:9b334a45a8ff | 886 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 887 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 888 | |
bogdanm | 0:9b334a45a8ff | 889 | /* Set the DMA error callback */ |
bogdanm | 0:9b334a45a8ff | 890 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 891 | |
bogdanm | 0:9b334a45a8ff | 892 | /* Enable the USART transmit DMA channel */ |
bogdanm | 0:9b334a45a8ff | 893 | tmp = (uint32_t*)&pTxData; |
bogdanm | 0:9b334a45a8ff | 894 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
bogdanm | 0:9b334a45a8ff | 895 | |
bogdanm | 0:9b334a45a8ff | 896 | /* Clear the TC flag in the SR register by writing 0 to it */ |
bogdanm | 0:9b334a45a8ff | 897 | __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC); |
bogdanm | 0:9b334a45a8ff | 898 | |
bogdanm | 0:9b334a45a8ff | 899 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 900 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 901 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 902 | |
bogdanm | 0:9b334a45a8ff | 903 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 904 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 905 | |
bogdanm | 0:9b334a45a8ff | 906 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 907 | } |
bogdanm | 0:9b334a45a8ff | 908 | else |
bogdanm | 0:9b334a45a8ff | 909 | { |
bogdanm | 0:9b334a45a8ff | 910 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 911 | } |
bogdanm | 0:9b334a45a8ff | 912 | } |
bogdanm | 0:9b334a45a8ff | 913 | |
bogdanm | 0:9b334a45a8ff | 914 | /** |
bogdanm | 0:9b334a45a8ff | 915 | * @brief Full-Duplex Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 916 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 917 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 918 | * @param pRxData: Pointer to data buffer |
bogdanm | 0:9b334a45a8ff | 919 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 920 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 921 | * @note The USART DMA transmit channel must be configured in order to generate the clock for the slave. |
bogdanm | 0:9b334a45a8ff | 922 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
bogdanm | 0:9b334a45a8ff | 923 | */ |
bogdanm | 0:9b334a45a8ff | 924 | HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 925 | { |
bogdanm | 0:9b334a45a8ff | 926 | uint32_t *tmp=0; |
bogdanm | 0:9b334a45a8ff | 927 | |
bogdanm | 0:9b334a45a8ff | 928 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 929 | { |
bogdanm | 0:9b334a45a8ff | 930 | if((pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 931 | { |
bogdanm | 0:9b334a45a8ff | 932 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 933 | } |
bogdanm | 0:9b334a45a8ff | 934 | |
bogdanm | 0:9b334a45a8ff | 935 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 936 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 937 | |
bogdanm | 0:9b334a45a8ff | 938 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 939 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 940 | husart->pTxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 941 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 942 | |
bogdanm | 0:9b334a45a8ff | 943 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 944 | husart->State = HAL_USART_STATE_BUSY_RX; |
bogdanm | 0:9b334a45a8ff | 945 | |
bogdanm | 0:9b334a45a8ff | 946 | /* Set the USART DMA Rx transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 947 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
bogdanm | 0:9b334a45a8ff | 948 | |
bogdanm | 0:9b334a45a8ff | 949 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 950 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 951 | |
bogdanm | 0:9b334a45a8ff | 952 | /* Set the USART DMA Rx transfer error callback */ |
bogdanm | 0:9b334a45a8ff | 953 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 954 | |
bogdanm | 0:9b334a45a8ff | 955 | /* Enable the USART receive DMA channel */ |
bogdanm | 0:9b334a45a8ff | 956 | tmp = (uint32_t*)&pRxData; |
bogdanm | 0:9b334a45a8ff | 957 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t*)tmp, Size); |
bogdanm | 0:9b334a45a8ff | 958 | |
bogdanm | 0:9b334a45a8ff | 959 | /* Enable the USART transmit DMA channel: the transmit channel is used in order |
bogdanm | 0:9b334a45a8ff | 960 | to generate in the non-blocking mode the clock to the slave device, |
bogdanm | 0:9b334a45a8ff | 961 | this mode isn't a simplex receive mode but a full-duplex receive one */ |
bogdanm | 0:9b334a45a8ff | 962 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
bogdanm | 0:9b334a45a8ff | 963 | |
bogdanm | 0:9b334a45a8ff | 964 | /* Clear the Overrun flag just before enabling the DMA Rx request: mandatory for the second transfer |
bogdanm | 0:9b334a45a8ff | 965 | when using the USART in circular mode */ |
bogdanm | 0:9b334a45a8ff | 966 | __HAL_USART_CLEAR_OREFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 967 | |
bogdanm | 0:9b334a45a8ff | 968 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 969 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 970 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 971 | |
bogdanm | 0:9b334a45a8ff | 972 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 973 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 974 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 975 | |
bogdanm | 0:9b334a45a8ff | 976 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 977 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 978 | |
bogdanm | 0:9b334a45a8ff | 979 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 980 | } |
bogdanm | 0:9b334a45a8ff | 981 | else |
bogdanm | 0:9b334a45a8ff | 982 | { |
bogdanm | 0:9b334a45a8ff | 983 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 984 | } |
bogdanm | 0:9b334a45a8ff | 985 | } |
bogdanm | 0:9b334a45a8ff | 986 | |
bogdanm | 0:9b334a45a8ff | 987 | /** |
bogdanm | 0:9b334a45a8ff | 988 | * @brief Full-Duplex Transmit Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 989 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 990 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 991 | * @param pTxData: Pointer to data transmitted buffer |
bogdanm | 0:9b334a45a8ff | 992 | * @param pRxData: Pointer to data received buffer |
bogdanm | 0:9b334a45a8ff | 993 | * @param Size: Amount of data to be received |
bogdanm | 0:9b334a45a8ff | 994 | * @note When the USART parity is enabled (PCE = 1) the data received contain the parity bit. |
bogdanm | 0:9b334a45a8ff | 995 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 996 | */ |
bogdanm | 0:9b334a45a8ff | 997 | HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size) |
bogdanm | 0:9b334a45a8ff | 998 | { |
bogdanm | 0:9b334a45a8ff | 999 | uint32_t *tmp=0; |
bogdanm | 0:9b334a45a8ff | 1000 | |
bogdanm | 0:9b334a45a8ff | 1001 | if(husart->State == HAL_USART_STATE_READY) |
bogdanm | 0:9b334a45a8ff | 1002 | { |
bogdanm | 0:9b334a45a8ff | 1003 | if((pTxData == NULL) || (pRxData == NULL) || (Size == 0)) |
bogdanm | 0:9b334a45a8ff | 1004 | { |
bogdanm | 0:9b334a45a8ff | 1005 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 1006 | } |
bogdanm | 0:9b334a45a8ff | 1007 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1008 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1009 | |
bogdanm | 0:9b334a45a8ff | 1010 | husart->pRxBuffPtr = pRxData; |
bogdanm | 0:9b334a45a8ff | 1011 | husart->RxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 1012 | husart->pTxBuffPtr = pTxData; |
bogdanm | 0:9b334a45a8ff | 1013 | husart->TxXferSize = Size; |
bogdanm | 0:9b334a45a8ff | 1014 | |
bogdanm | 0:9b334a45a8ff | 1015 | husart->ErrorCode = HAL_USART_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 1016 | husart->State = HAL_USART_STATE_BUSY_TX_RX; |
bogdanm | 0:9b334a45a8ff | 1017 | |
bogdanm | 0:9b334a45a8ff | 1018 | /* Set the USART DMA Rx transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1019 | husart->hdmarx->XferCpltCallback = USART_DMAReceiveCplt; |
bogdanm | 0:9b334a45a8ff | 1020 | |
bogdanm | 0:9b334a45a8ff | 1021 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1022 | husart->hdmarx->XferHalfCpltCallback = USART_DMARxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 1023 | |
bogdanm | 0:9b334a45a8ff | 1024 | /* Set the USART DMA Tx transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1025 | husart->hdmatx->XferCpltCallback = USART_DMATransmitCplt; |
bogdanm | 0:9b334a45a8ff | 1026 | |
bogdanm | 0:9b334a45a8ff | 1027 | /* Set the USART DMA Half transfer complete callback */ |
bogdanm | 0:9b334a45a8ff | 1028 | husart->hdmatx->XferHalfCpltCallback = USART_DMATxHalfCplt; |
bogdanm | 0:9b334a45a8ff | 1029 | |
bogdanm | 0:9b334a45a8ff | 1030 | /* Set the USART DMA Tx transfer error callback */ |
bogdanm | 0:9b334a45a8ff | 1031 | husart->hdmatx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 1032 | |
bogdanm | 0:9b334a45a8ff | 1033 | /* Set the USART DMA Rx transfer error callback */ |
bogdanm | 0:9b334a45a8ff | 1034 | husart->hdmarx->XferErrorCallback = USART_DMAError; |
bogdanm | 0:9b334a45a8ff | 1035 | |
bogdanm | 0:9b334a45a8ff | 1036 | /* Enable the USART receive DMA channel */ |
bogdanm | 0:9b334a45a8ff | 1037 | tmp = (uint32_t*)&pRxData; |
bogdanm | 0:9b334a45a8ff | 1038 | HAL_DMA_Start_IT(husart->hdmarx, (uint32_t)&husart->Instance->DR, *(uint32_t*)tmp, Size); |
bogdanm | 0:9b334a45a8ff | 1039 | |
bogdanm | 0:9b334a45a8ff | 1040 | /* Enable the USART transmit DMA channel */ |
bogdanm | 0:9b334a45a8ff | 1041 | tmp = (uint32_t*)&pTxData; |
bogdanm | 0:9b334a45a8ff | 1042 | HAL_DMA_Start_IT(husart->hdmatx, *(uint32_t*)tmp, (uint32_t)&husart->Instance->DR, Size); |
bogdanm | 0:9b334a45a8ff | 1043 | |
bogdanm | 0:9b334a45a8ff | 1044 | /* Clear the TC flag in the SR register by writing 0 to it */ |
bogdanm | 0:9b334a45a8ff | 1045 | __HAL_USART_CLEAR_FLAG(husart, USART_FLAG_TC); |
bogdanm | 0:9b334a45a8ff | 1046 | |
bogdanm | 0:9b334a45a8ff | 1047 | /* Clear the Overrun flag: mandatory for the second transfer in circular mode */ |
bogdanm | 0:9b334a45a8ff | 1048 | __HAL_USART_CLEAR_OREFLAG(husart); |
bogdanm | 0:9b334a45a8ff | 1049 | |
bogdanm | 0:9b334a45a8ff | 1050 | /* Enable the DMA transfer for the receiver request by setting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 1051 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1052 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1053 | |
bogdanm | 0:9b334a45a8ff | 1054 | /* Enable the DMA transfer for transmit request by setting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 1055 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1056 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1057 | |
bogdanm | 0:9b334a45a8ff | 1058 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1059 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1060 | |
bogdanm | 0:9b334a45a8ff | 1061 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1062 | } |
bogdanm | 0:9b334a45a8ff | 1063 | else |
bogdanm | 0:9b334a45a8ff | 1064 | { |
bogdanm | 0:9b334a45a8ff | 1065 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1066 | } |
bogdanm | 0:9b334a45a8ff | 1067 | } |
bogdanm | 0:9b334a45a8ff | 1068 | |
bogdanm | 0:9b334a45a8ff | 1069 | /** |
bogdanm | 0:9b334a45a8ff | 1070 | * @brief Pauses the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1071 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1072 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1073 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1074 | */ |
bogdanm | 0:9b334a45a8ff | 1075 | HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1076 | { |
bogdanm | 0:9b334a45a8ff | 1077 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1078 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1079 | |
bogdanm | 0:9b334a45a8ff | 1080 | /* Disable the USART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1081 | CLEAR_BIT(husart->Instance->CR3, (uint32_t)(USART_CR3_DMAT)); |
bogdanm | 0:9b334a45a8ff | 1082 | |
bogdanm | 0:9b334a45a8ff | 1083 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1084 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1085 | |
bogdanm | 0:9b334a45a8ff | 1086 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1087 | } |
bogdanm | 0:9b334a45a8ff | 1088 | |
bogdanm | 0:9b334a45a8ff | 1089 | /** |
bogdanm | 0:9b334a45a8ff | 1090 | * @brief Resumes the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1091 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1092 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1093 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1094 | */ |
bogdanm | 0:9b334a45a8ff | 1095 | HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1096 | { |
bogdanm | 0:9b334a45a8ff | 1097 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 1098 | __HAL_LOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1099 | |
bogdanm | 0:9b334a45a8ff | 1100 | /* Enable the USART DMA Tx request */ |
bogdanm | 0:9b334a45a8ff | 1101 | SET_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1102 | |
bogdanm | 0:9b334a45a8ff | 1103 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1104 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1105 | |
bogdanm | 0:9b334a45a8ff | 1106 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1107 | } |
bogdanm | 0:9b334a45a8ff | 1108 | |
bogdanm | 0:9b334a45a8ff | 1109 | /** |
bogdanm | 0:9b334a45a8ff | 1110 | * @brief Stops the DMA Transfer. |
bogdanm | 0:9b334a45a8ff | 1111 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1112 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1113 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1114 | */ |
bogdanm | 0:9b334a45a8ff | 1115 | HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1116 | { |
bogdanm | 0:9b334a45a8ff | 1117 | /* The Lock is not implemented on this API to allow the user application |
bogdanm | 0:9b334a45a8ff | 1118 | to call the HAL USART API under callbacks HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback(): |
bogdanm | 0:9b334a45a8ff | 1119 | when calling HAL_DMA_Abort() API the DMA TX/RX Transfer complete interrupt is generated |
bogdanm | 0:9b334a45a8ff | 1120 | and the correspond call back is executed HAL_USART_TxCpltCallback() / HAL_USART_RxCpltCallback() |
bogdanm | 0:9b334a45a8ff | 1121 | */ |
bogdanm | 0:9b334a45a8ff | 1122 | |
bogdanm | 0:9b334a45a8ff | 1123 | /* Abort the USART DMA Tx channel */ |
bogdanm | 0:9b334a45a8ff | 1124 | if(husart->hdmatx != NULL) |
bogdanm | 0:9b334a45a8ff | 1125 | { |
bogdanm | 0:9b334a45a8ff | 1126 | HAL_DMA_Abort(husart->hdmatx); |
bogdanm | 0:9b334a45a8ff | 1127 | } |
bogdanm | 0:9b334a45a8ff | 1128 | /* Abort the USART DMA Rx channel */ |
bogdanm | 0:9b334a45a8ff | 1129 | if(husart->hdmarx != NULL) |
bogdanm | 0:9b334a45a8ff | 1130 | { |
bogdanm | 0:9b334a45a8ff | 1131 | HAL_DMA_Abort(husart->hdmarx); |
bogdanm | 0:9b334a45a8ff | 1132 | } |
bogdanm | 0:9b334a45a8ff | 1133 | |
bogdanm | 0:9b334a45a8ff | 1134 | /* Disable the USART Tx/Rx DMA requests */ |
bogdanm | 0:9b334a45a8ff | 1135 | CLEAR_BIT(husart->Instance->CR3, (USART_CR3_DMAT | USART_CR3_DMAR)); |
bogdanm | 0:9b334a45a8ff | 1136 | |
bogdanm | 0:9b334a45a8ff | 1137 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1138 | |
bogdanm | 0:9b334a45a8ff | 1139 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1140 | } |
bogdanm | 0:9b334a45a8ff | 1141 | |
bogdanm | 0:9b334a45a8ff | 1142 | /** |
bogdanm | 0:9b334a45a8ff | 1143 | * @brief This function handles USART interrupt request. |
bogdanm | 0:9b334a45a8ff | 1144 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1145 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1146 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1147 | */ |
bogdanm | 0:9b334a45a8ff | 1148 | void HAL_USART_IRQHandler(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1149 | { |
bogdanm | 0:9b334a45a8ff | 1150 | uint32_t tmp_flag = 0, tmp_it_source = 0; |
bogdanm | 0:9b334a45a8ff | 1151 | |
bogdanm | 0:9b334a45a8ff | 1152 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_PE); |
bogdanm | 0:9b334a45a8ff | 1153 | tmp_it_source = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1154 | /* USART parity error interrupt occurred -----------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1155 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1156 | { |
bogdanm | 0:9b334a45a8ff | 1157 | husart->ErrorCode |= HAL_USART_ERROR_PE; |
bogdanm | 0:9b334a45a8ff | 1158 | } |
bogdanm | 0:9b334a45a8ff | 1159 | |
bogdanm | 0:9b334a45a8ff | 1160 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_FE); |
bogdanm | 0:9b334a45a8ff | 1161 | tmp_it_source = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1162 | /* USART frame error interrupt occurred ------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1163 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1164 | { |
bogdanm | 0:9b334a45a8ff | 1165 | husart->ErrorCode |= HAL_USART_ERROR_FE; |
bogdanm | 0:9b334a45a8ff | 1166 | } |
bogdanm | 0:9b334a45a8ff | 1167 | |
bogdanm | 0:9b334a45a8ff | 1168 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_NE); |
bogdanm | 0:9b334a45a8ff | 1169 | /* USART noise error interrupt occurred ------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1170 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1171 | { |
bogdanm | 0:9b334a45a8ff | 1172 | husart->ErrorCode |= HAL_USART_ERROR_NE; |
bogdanm | 0:9b334a45a8ff | 1173 | } |
bogdanm | 0:9b334a45a8ff | 1174 | |
bogdanm | 0:9b334a45a8ff | 1175 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_ORE); |
bogdanm | 0:9b334a45a8ff | 1176 | /* USART Over-Run interrupt occurred ---------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1177 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1178 | { |
bogdanm | 0:9b334a45a8ff | 1179 | husart->ErrorCode |= HAL_USART_ERROR_ORE; |
bogdanm | 0:9b334a45a8ff | 1180 | } |
bogdanm | 0:9b334a45a8ff | 1181 | |
bogdanm | 0:9b334a45a8ff | 1182 | if(husart->ErrorCode != HAL_USART_ERROR_NONE) |
bogdanm | 0:9b334a45a8ff | 1183 | { |
mbed_official | 124:6a4a5b7d7324 | 1184 | /* Clear all the error flag at once */ |
mbed_official | 124:6a4a5b7d7324 | 1185 | __HAL_USART_CLEAR_PEFLAG(husart); |
mbed_official | 124:6a4a5b7d7324 | 1186 | |
bogdanm | 0:9b334a45a8ff | 1187 | /* Set the USART state ready to be able to start again the process */ |
bogdanm | 0:9b334a45a8ff | 1188 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1189 | |
bogdanm | 0:9b334a45a8ff | 1190 | HAL_USART_ErrorCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1191 | } |
bogdanm | 0:9b334a45a8ff | 1192 | |
bogdanm | 0:9b334a45a8ff | 1193 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE); |
bogdanm | 0:9b334a45a8ff | 1194 | tmp_it_source = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1195 | /* USART in mode Receiver --------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1196 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1197 | { |
bogdanm | 0:9b334a45a8ff | 1198 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1199 | { |
bogdanm | 0:9b334a45a8ff | 1200 | USART_Receive_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1201 | } |
bogdanm | 0:9b334a45a8ff | 1202 | else |
bogdanm | 0:9b334a45a8ff | 1203 | { |
bogdanm | 0:9b334a45a8ff | 1204 | USART_TransmitReceive_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1205 | } |
bogdanm | 0:9b334a45a8ff | 1206 | } |
bogdanm | 0:9b334a45a8ff | 1207 | |
bogdanm | 0:9b334a45a8ff | 1208 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_TXE); |
bogdanm | 0:9b334a45a8ff | 1209 | tmp_it_source = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1210 | /* USART in mode Transmitter -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1211 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1212 | { |
bogdanm | 0:9b334a45a8ff | 1213 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1214 | { |
bogdanm | 0:9b334a45a8ff | 1215 | USART_Transmit_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1216 | } |
bogdanm | 0:9b334a45a8ff | 1217 | else |
bogdanm | 0:9b334a45a8ff | 1218 | { |
bogdanm | 0:9b334a45a8ff | 1219 | USART_TransmitReceive_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1220 | } |
bogdanm | 0:9b334a45a8ff | 1221 | } |
bogdanm | 0:9b334a45a8ff | 1222 | |
bogdanm | 0:9b334a45a8ff | 1223 | tmp_flag = __HAL_USART_GET_FLAG(husart, USART_FLAG_TC); |
bogdanm | 0:9b334a45a8ff | 1224 | tmp_it_source = __HAL_USART_GET_IT_SOURCE(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1225 | /* USART in mode Transmitter (transmission end) -----------------------------*/ |
bogdanm | 0:9b334a45a8ff | 1226 | if((tmp_flag != RESET) && (tmp_it_source != RESET)) |
bogdanm | 0:9b334a45a8ff | 1227 | { |
bogdanm | 0:9b334a45a8ff | 1228 | USART_EndTransmit_IT(husart); |
bogdanm | 0:9b334a45a8ff | 1229 | } |
bogdanm | 0:9b334a45a8ff | 1230 | |
bogdanm | 0:9b334a45a8ff | 1231 | } |
bogdanm | 0:9b334a45a8ff | 1232 | |
bogdanm | 0:9b334a45a8ff | 1233 | |
bogdanm | 0:9b334a45a8ff | 1234 | /** |
bogdanm | 0:9b334a45a8ff | 1235 | * @brief Tx Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1236 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1237 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1238 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1239 | */ |
bogdanm | 0:9b334a45a8ff | 1240 | __weak void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1241 | { |
mbed_official | 124:6a4a5b7d7324 | 1242 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 1243 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 1244 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1245 | the HAL_USART_TxCpltCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1246 | */ |
bogdanm | 0:9b334a45a8ff | 1247 | } |
bogdanm | 0:9b334a45a8ff | 1248 | |
bogdanm | 0:9b334a45a8ff | 1249 | /** |
bogdanm | 0:9b334a45a8ff | 1250 | * @brief Tx Half Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1251 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1252 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1253 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1254 | */ |
bogdanm | 0:9b334a45a8ff | 1255 | __weak void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1256 | { |
mbed_official | 124:6a4a5b7d7324 | 1257 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 1258 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 1259 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1260 | the HAL_USART_TxHalfCpltCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1261 | */ |
bogdanm | 0:9b334a45a8ff | 1262 | } |
bogdanm | 0:9b334a45a8ff | 1263 | |
bogdanm | 0:9b334a45a8ff | 1264 | /** |
bogdanm | 0:9b334a45a8ff | 1265 | * @brief Rx Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1266 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1267 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1268 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1269 | */ |
bogdanm | 0:9b334a45a8ff | 1270 | __weak void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1271 | { |
mbed_official | 124:6a4a5b7d7324 | 1272 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 1273 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 1274 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1275 | the HAL_USART_RxCpltCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1276 | */ |
bogdanm | 0:9b334a45a8ff | 1277 | } |
bogdanm | 0:9b334a45a8ff | 1278 | |
bogdanm | 0:9b334a45a8ff | 1279 | /** |
bogdanm | 0:9b334a45a8ff | 1280 | * @brief Rx Half Transfer completed callbacks. |
bogdanm | 0:9b334a45a8ff | 1281 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1282 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1283 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1284 | */ |
bogdanm | 0:9b334a45a8ff | 1285 | __weak void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1286 | { |
mbed_official | 124:6a4a5b7d7324 | 1287 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 1288 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 1289 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1290 | the HAL_USART_RxHalfCpltCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1291 | */ |
bogdanm | 0:9b334a45a8ff | 1292 | } |
bogdanm | 0:9b334a45a8ff | 1293 | |
bogdanm | 0:9b334a45a8ff | 1294 | /** |
bogdanm | 0:9b334a45a8ff | 1295 | * @brief Tx/Rx Transfers completed callback for the non-blocking process. |
bogdanm | 0:9b334a45a8ff | 1296 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1297 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1298 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1299 | */ |
bogdanm | 0:9b334a45a8ff | 1300 | __weak void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1301 | { |
mbed_official | 124:6a4a5b7d7324 | 1302 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 1303 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 1304 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1305 | the HAL_USART_TxRxCpltCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1306 | */ |
bogdanm | 0:9b334a45a8ff | 1307 | } |
bogdanm | 0:9b334a45a8ff | 1308 | |
bogdanm | 0:9b334a45a8ff | 1309 | /** |
bogdanm | 0:9b334a45a8ff | 1310 | * @brief USART error callbacks. |
bogdanm | 0:9b334a45a8ff | 1311 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1312 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1313 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1314 | */ |
bogdanm | 0:9b334a45a8ff | 1315 | __weak void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1316 | { |
mbed_official | 124:6a4a5b7d7324 | 1317 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 124:6a4a5b7d7324 | 1318 | UNUSED(husart); |
bogdanm | 0:9b334a45a8ff | 1319 | /* NOTE: This function should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 1320 | the HAL_USART_ErrorCallback can be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 1321 | */ |
bogdanm | 0:9b334a45a8ff | 1322 | } |
bogdanm | 0:9b334a45a8ff | 1323 | |
bogdanm | 0:9b334a45a8ff | 1324 | /** |
bogdanm | 0:9b334a45a8ff | 1325 | * @} |
bogdanm | 0:9b334a45a8ff | 1326 | */ |
bogdanm | 0:9b334a45a8ff | 1327 | |
bogdanm | 0:9b334a45a8ff | 1328 | /** @defgroup USART_Exported_Functions_Group3 Peripheral State and Errors functions |
bogdanm | 0:9b334a45a8ff | 1329 | * @brief USART State and Errors functions |
bogdanm | 0:9b334a45a8ff | 1330 | * |
bogdanm | 0:9b334a45a8ff | 1331 | @verbatim |
bogdanm | 0:9b334a45a8ff | 1332 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1333 | ##### Peripheral State and Errors functions ##### |
bogdanm | 0:9b334a45a8ff | 1334 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 1335 | [..] |
bogdanm | 0:9b334a45a8ff | 1336 | This subsection provides a set of functions allowing to return the State of |
bogdanm | 0:9b334a45a8ff | 1337 | USART communication |
bogdanm | 0:9b334a45a8ff | 1338 | process, return Peripheral Errors occurred during communication process |
bogdanm | 0:9b334a45a8ff | 1339 | (+) HAL_USART_GetState() API can be helpful to check in run-time the state |
bogdanm | 0:9b334a45a8ff | 1340 | of the USART peripheral. |
bogdanm | 0:9b334a45a8ff | 1341 | (+) HAL_USART_GetError() check in run-time errors that could be occurred during |
bogdanm | 0:9b334a45a8ff | 1342 | communication. |
bogdanm | 0:9b334a45a8ff | 1343 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 1344 | * @{ |
bogdanm | 0:9b334a45a8ff | 1345 | */ |
bogdanm | 0:9b334a45a8ff | 1346 | |
bogdanm | 0:9b334a45a8ff | 1347 | /** |
bogdanm | 0:9b334a45a8ff | 1348 | * @brief Returns the USART state. |
bogdanm | 0:9b334a45a8ff | 1349 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1350 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1351 | * @retval HAL state |
bogdanm | 0:9b334a45a8ff | 1352 | */ |
bogdanm | 0:9b334a45a8ff | 1353 | HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1354 | { |
bogdanm | 0:9b334a45a8ff | 1355 | return husart->State; |
bogdanm | 0:9b334a45a8ff | 1356 | } |
bogdanm | 0:9b334a45a8ff | 1357 | |
bogdanm | 0:9b334a45a8ff | 1358 | /** |
bogdanm | 0:9b334a45a8ff | 1359 | * @brief Return the USART error code |
bogdanm | 0:9b334a45a8ff | 1360 | * @param husart : pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1361 | * the configuration information for the specified USART. |
bogdanm | 0:9b334a45a8ff | 1362 | * @retval USART Error Code |
bogdanm | 0:9b334a45a8ff | 1363 | */ |
bogdanm | 0:9b334a45a8ff | 1364 | uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1365 | { |
bogdanm | 0:9b334a45a8ff | 1366 | return husart->ErrorCode; |
bogdanm | 0:9b334a45a8ff | 1367 | } |
bogdanm | 0:9b334a45a8ff | 1368 | |
bogdanm | 0:9b334a45a8ff | 1369 | /** |
bogdanm | 0:9b334a45a8ff | 1370 | * @} |
bogdanm | 0:9b334a45a8ff | 1371 | */ |
bogdanm | 0:9b334a45a8ff | 1372 | |
bogdanm | 0:9b334a45a8ff | 1373 | /** |
bogdanm | 0:9b334a45a8ff | 1374 | * @} |
bogdanm | 0:9b334a45a8ff | 1375 | */ |
bogdanm | 0:9b334a45a8ff | 1376 | |
bogdanm | 0:9b334a45a8ff | 1377 | /** @defgroup USART_Private_Functions USART Private Functions |
bogdanm | 0:9b334a45a8ff | 1378 | * @brief USART Private functions |
bogdanm | 0:9b334a45a8ff | 1379 | * @{ |
bogdanm | 0:9b334a45a8ff | 1380 | */ |
bogdanm | 0:9b334a45a8ff | 1381 | /** |
bogdanm | 0:9b334a45a8ff | 1382 | * @brief DMA USART transmit process complete callback. |
bogdanm | 0:9b334a45a8ff | 1383 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1384 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1385 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1386 | */ |
bogdanm | 0:9b334a45a8ff | 1387 | static void USART_DMATransmitCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1388 | { |
bogdanm | 0:9b334a45a8ff | 1389 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1390 | |
bogdanm | 0:9b334a45a8ff | 1391 | /* DMA Normal mode */ |
bogdanm | 0:9b334a45a8ff | 1392 | if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) ) |
bogdanm | 0:9b334a45a8ff | 1393 | { |
bogdanm | 0:9b334a45a8ff | 1394 | husart->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1395 | |
bogdanm | 0:9b334a45a8ff | 1396 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1397 | { |
bogdanm | 0:9b334a45a8ff | 1398 | /* Disable the DMA transfer for transmit request by resetting the DMAT bit |
bogdanm | 0:9b334a45a8ff | 1399 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1400 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAT); |
bogdanm | 0:9b334a45a8ff | 1401 | |
bogdanm | 0:9b334a45a8ff | 1402 | /* Enable the USART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1403 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1404 | } |
bogdanm | 0:9b334a45a8ff | 1405 | } |
bogdanm | 0:9b334a45a8ff | 1406 | /* DMA Circular mode */ |
bogdanm | 0:9b334a45a8ff | 1407 | else |
bogdanm | 0:9b334a45a8ff | 1408 | { |
bogdanm | 0:9b334a45a8ff | 1409 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1410 | { |
bogdanm | 0:9b334a45a8ff | 1411 | HAL_USART_TxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1412 | } |
bogdanm | 0:9b334a45a8ff | 1413 | } |
bogdanm | 0:9b334a45a8ff | 1414 | } |
bogdanm | 0:9b334a45a8ff | 1415 | |
bogdanm | 0:9b334a45a8ff | 1416 | /** |
bogdanm | 0:9b334a45a8ff | 1417 | * @brief DMA USART transmit process half complete callback |
bogdanm | 0:9b334a45a8ff | 1418 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1419 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1420 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1421 | */ |
bogdanm | 0:9b334a45a8ff | 1422 | static void USART_DMATxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1423 | { |
bogdanm | 0:9b334a45a8ff | 1424 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1425 | |
bogdanm | 0:9b334a45a8ff | 1426 | HAL_USART_TxHalfCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1427 | } |
bogdanm | 0:9b334a45a8ff | 1428 | |
bogdanm | 0:9b334a45a8ff | 1429 | /** |
bogdanm | 0:9b334a45a8ff | 1430 | * @brief DMA USART receive process complete callback. |
bogdanm | 0:9b334a45a8ff | 1431 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1432 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1433 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1434 | */ |
bogdanm | 0:9b334a45a8ff | 1435 | static void USART_DMAReceiveCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1436 | { |
bogdanm | 0:9b334a45a8ff | 1437 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1438 | |
bogdanm | 0:9b334a45a8ff | 1439 | /* DMA Normal mode */ |
bogdanm | 0:9b334a45a8ff | 1440 | if ( HAL_IS_BIT_CLR(hdma->Instance->CCR, DMA_CCR_CIRC) ) |
bogdanm | 0:9b334a45a8ff | 1441 | { |
bogdanm | 0:9b334a45a8ff | 1442 | husart->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1443 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1444 | { |
bogdanm | 0:9b334a45a8ff | 1445 | /* Disable the DMA transfer for the receiver requests by setting the DMAR bit |
bogdanm | 0:9b334a45a8ff | 1446 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1447 | CLEAR_BIT(husart->Instance->CR3, USART_CR3_DMAR); |
bogdanm | 0:9b334a45a8ff | 1448 | |
bogdanm | 0:9b334a45a8ff | 1449 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1450 | HAL_USART_RxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1451 | } |
bogdanm | 0:9b334a45a8ff | 1452 | /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/ |
bogdanm | 0:9b334a45a8ff | 1453 | else |
bogdanm | 0:9b334a45a8ff | 1454 | { |
bogdanm | 0:9b334a45a8ff | 1455 | /* Disable the DMA transfer for the Transmit/receiver requests by setting the DMAT/DMAR bit |
bogdanm | 0:9b334a45a8ff | 1456 | in the USART CR3 register */ |
bogdanm | 0:9b334a45a8ff | 1457 | CLEAR_BIT(husart->Instance->CR3, (USART_CR3_DMAT | USART_CR3_DMAR)); |
bogdanm | 0:9b334a45a8ff | 1458 | |
bogdanm | 0:9b334a45a8ff | 1459 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1460 | HAL_USART_TxRxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1461 | } |
bogdanm | 0:9b334a45a8ff | 1462 | } |
bogdanm | 0:9b334a45a8ff | 1463 | /* DMA circular mode */ |
bogdanm | 0:9b334a45a8ff | 1464 | else |
bogdanm | 0:9b334a45a8ff | 1465 | { |
bogdanm | 0:9b334a45a8ff | 1466 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1467 | { |
bogdanm | 0:9b334a45a8ff | 1468 | HAL_USART_RxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1469 | } |
bogdanm | 0:9b334a45a8ff | 1470 | /* the usart state is HAL_USART_STATE_BUSY_TX_RX*/ |
bogdanm | 0:9b334a45a8ff | 1471 | else |
bogdanm | 0:9b334a45a8ff | 1472 | { |
bogdanm | 0:9b334a45a8ff | 1473 | HAL_USART_TxRxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1474 | } |
bogdanm | 0:9b334a45a8ff | 1475 | } |
bogdanm | 0:9b334a45a8ff | 1476 | } |
bogdanm | 0:9b334a45a8ff | 1477 | |
bogdanm | 0:9b334a45a8ff | 1478 | /** |
bogdanm | 0:9b334a45a8ff | 1479 | * @brief DMA USART receive process half complete callback |
bogdanm | 0:9b334a45a8ff | 1480 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1481 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1482 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1483 | */ |
bogdanm | 0:9b334a45a8ff | 1484 | static void USART_DMARxHalfCplt(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1485 | { |
bogdanm | 0:9b334a45a8ff | 1486 | USART_HandleTypeDef* husart = (USART_HandleTypeDef*)((DMA_HandleTypeDef*)hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1487 | |
bogdanm | 0:9b334a45a8ff | 1488 | HAL_USART_RxHalfCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1489 | } |
bogdanm | 0:9b334a45a8ff | 1490 | |
bogdanm | 0:9b334a45a8ff | 1491 | /** |
bogdanm | 0:9b334a45a8ff | 1492 | * @brief DMA USART communication error callback. |
bogdanm | 0:9b334a45a8ff | 1493 | * @param hdma: Pointer to a DMA_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1494 | * the configuration information for the specified DMA module. |
bogdanm | 0:9b334a45a8ff | 1495 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1496 | */ |
bogdanm | 0:9b334a45a8ff | 1497 | static void USART_DMAError(DMA_HandleTypeDef *hdma) |
bogdanm | 0:9b334a45a8ff | 1498 | { |
bogdanm | 0:9b334a45a8ff | 1499 | USART_HandleTypeDef* husart = ( USART_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent; |
bogdanm | 0:9b334a45a8ff | 1500 | |
bogdanm | 0:9b334a45a8ff | 1501 | husart->RxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1502 | husart->TxXferCount = 0; |
bogdanm | 0:9b334a45a8ff | 1503 | husart->ErrorCode |= HAL_USART_ERROR_DMA; |
bogdanm | 0:9b334a45a8ff | 1504 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1505 | |
bogdanm | 0:9b334a45a8ff | 1506 | HAL_USART_ErrorCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1507 | } |
bogdanm | 0:9b334a45a8ff | 1508 | |
bogdanm | 0:9b334a45a8ff | 1509 | /** |
bogdanm | 0:9b334a45a8ff | 1510 | * @brief This function handles USART Communication Timeout. |
bogdanm | 0:9b334a45a8ff | 1511 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1512 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1513 | * @param Flag: specifies the USART flag to check. |
bogdanm | 0:9b334a45a8ff | 1514 | * @param Status: The new Flag status (SET or RESET). |
bogdanm | 0:9b334a45a8ff | 1515 | * @param Timeout: Timeout duration |
bogdanm | 0:9b334a45a8ff | 1516 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1517 | */ |
bogdanm | 0:9b334a45a8ff | 1518 | static HAL_StatusTypeDef USART_WaitOnFlagUntilTimeout(USART_HandleTypeDef *husart, uint32_t Flag, FlagStatus Status, uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 1519 | { |
bogdanm | 0:9b334a45a8ff | 1520 | uint32_t tickstart = 0; |
bogdanm | 0:9b334a45a8ff | 1521 | |
bogdanm | 0:9b334a45a8ff | 1522 | /* Get tick */ |
bogdanm | 0:9b334a45a8ff | 1523 | tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 1524 | |
bogdanm | 0:9b334a45a8ff | 1525 | /* Wait until flag is set */ |
bogdanm | 0:9b334a45a8ff | 1526 | if(Status == RESET) |
bogdanm | 0:9b334a45a8ff | 1527 | { |
bogdanm | 0:9b334a45a8ff | 1528 | while(__HAL_USART_GET_FLAG(husart, Flag) == RESET) |
bogdanm | 0:9b334a45a8ff | 1529 | { |
bogdanm | 0:9b334a45a8ff | 1530 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 1531 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1532 | { |
bogdanm | 0:9b334a45a8ff | 1533 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1534 | { |
bogdanm | 0:9b334a45a8ff | 1535 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
bogdanm | 0:9b334a45a8ff | 1536 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1537 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1538 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1539 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1540 | |
bogdanm | 0:9b334a45a8ff | 1541 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1542 | |
bogdanm | 0:9b334a45a8ff | 1543 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1544 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1545 | |
bogdanm | 0:9b334a45a8ff | 1546 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1547 | } |
bogdanm | 0:9b334a45a8ff | 1548 | } |
bogdanm | 0:9b334a45a8ff | 1549 | } |
bogdanm | 0:9b334a45a8ff | 1550 | } |
bogdanm | 0:9b334a45a8ff | 1551 | else |
bogdanm | 0:9b334a45a8ff | 1552 | { |
bogdanm | 0:9b334a45a8ff | 1553 | while(__HAL_USART_GET_FLAG(husart, Flag) != RESET) |
bogdanm | 0:9b334a45a8ff | 1554 | { |
bogdanm | 0:9b334a45a8ff | 1555 | /* Check for the Timeout */ |
bogdanm | 0:9b334a45a8ff | 1556 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 1557 | { |
bogdanm | 0:9b334a45a8ff | 1558 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 1559 | { |
bogdanm | 0:9b334a45a8ff | 1560 | /* Disable TXE, RXNE, PE and ERR (Frame error, noise error, overrun error) interrupts for the interrupt process */ |
bogdanm | 0:9b334a45a8ff | 1561 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1562 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1563 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1564 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1565 | |
bogdanm | 0:9b334a45a8ff | 1566 | husart->State= HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1567 | |
bogdanm | 0:9b334a45a8ff | 1568 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 1569 | __HAL_UNLOCK(husart); |
bogdanm | 0:9b334a45a8ff | 1570 | |
bogdanm | 0:9b334a45a8ff | 1571 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 1572 | } |
bogdanm | 0:9b334a45a8ff | 1573 | } |
bogdanm | 0:9b334a45a8ff | 1574 | } |
bogdanm | 0:9b334a45a8ff | 1575 | } |
bogdanm | 0:9b334a45a8ff | 1576 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1577 | } |
bogdanm | 0:9b334a45a8ff | 1578 | |
bogdanm | 0:9b334a45a8ff | 1579 | /** |
bogdanm | 0:9b334a45a8ff | 1580 | * @brief Simplex Send an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 1581 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1582 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1583 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1584 | * @note The USART errors are not managed to avoid the overrun error. |
bogdanm | 0:9b334a45a8ff | 1585 | */ |
bogdanm | 0:9b334a45a8ff | 1586 | static HAL_StatusTypeDef USART_Transmit_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1587 | { |
bogdanm | 0:9b334a45a8ff | 1588 | uint16_t* tmp=0; |
bogdanm | 0:9b334a45a8ff | 1589 | |
bogdanm | 0:9b334a45a8ff | 1590 | if(husart->State == HAL_USART_STATE_BUSY_TX) |
bogdanm | 0:9b334a45a8ff | 1591 | { |
bogdanm | 0:9b334a45a8ff | 1592 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1593 | { |
bogdanm | 0:9b334a45a8ff | 1594 | tmp = (uint16_t*) husart->pTxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1595 | WRITE_REG(husart->Instance->DR, (uint16_t)(*tmp & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 1596 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1597 | { |
bogdanm | 0:9b334a45a8ff | 1598 | husart->pTxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1599 | } |
bogdanm | 0:9b334a45a8ff | 1600 | else |
bogdanm | 0:9b334a45a8ff | 1601 | { |
bogdanm | 0:9b334a45a8ff | 1602 | husart->pTxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1603 | } |
bogdanm | 0:9b334a45a8ff | 1604 | } |
bogdanm | 0:9b334a45a8ff | 1605 | else |
bogdanm | 0:9b334a45a8ff | 1606 | { |
bogdanm | 0:9b334a45a8ff | 1607 | WRITE_REG(husart->Instance->DR, (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF)); |
bogdanm | 0:9b334a45a8ff | 1608 | } |
bogdanm | 0:9b334a45a8ff | 1609 | |
bogdanm | 0:9b334a45a8ff | 1610 | if(--husart->TxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1611 | { |
bogdanm | 0:9b334a45a8ff | 1612 | /* Disable the USART Transmit data register empty Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1613 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1614 | |
bogdanm | 0:9b334a45a8ff | 1615 | /* Enable the USART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1616 | __HAL_USART_ENABLE_IT(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1617 | } |
bogdanm | 0:9b334a45a8ff | 1618 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1619 | } |
bogdanm | 0:9b334a45a8ff | 1620 | else |
bogdanm | 0:9b334a45a8ff | 1621 | { |
bogdanm | 0:9b334a45a8ff | 1622 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1623 | } |
bogdanm | 0:9b334a45a8ff | 1624 | } |
bogdanm | 0:9b334a45a8ff | 1625 | |
bogdanm | 0:9b334a45a8ff | 1626 | |
bogdanm | 0:9b334a45a8ff | 1627 | /** |
bogdanm | 0:9b334a45a8ff | 1628 | * @brief Wraps up transmission in non blocking mode. |
bogdanm | 0:9b334a45a8ff | 1629 | * @param husart: pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1630 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1631 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1632 | */ |
bogdanm | 0:9b334a45a8ff | 1633 | static HAL_StatusTypeDef USART_EndTransmit_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1634 | { |
bogdanm | 0:9b334a45a8ff | 1635 | /* Disable the USART Transmit Complete Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1636 | __HAL_USART_DISABLE_IT(husart, USART_IT_TC); |
bogdanm | 0:9b334a45a8ff | 1637 | |
bogdanm | 0:9b334a45a8ff | 1638 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1639 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1640 | |
bogdanm | 0:9b334a45a8ff | 1641 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1642 | |
bogdanm | 0:9b334a45a8ff | 1643 | HAL_USART_TxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1644 | |
bogdanm | 0:9b334a45a8ff | 1645 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1646 | } |
bogdanm | 0:9b334a45a8ff | 1647 | |
bogdanm | 0:9b334a45a8ff | 1648 | |
bogdanm | 0:9b334a45a8ff | 1649 | /** |
bogdanm | 0:9b334a45a8ff | 1650 | * @brief Simplex Receive an amount of data in non-blocking mode. |
bogdanm | 0:9b334a45a8ff | 1651 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1652 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1653 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1654 | */ |
bogdanm | 0:9b334a45a8ff | 1655 | static HAL_StatusTypeDef USART_Receive_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1656 | { |
bogdanm | 0:9b334a45a8ff | 1657 | uint16_t* tmp=0; |
bogdanm | 0:9b334a45a8ff | 1658 | if(husart->State == HAL_USART_STATE_BUSY_RX) |
bogdanm | 0:9b334a45a8ff | 1659 | { |
bogdanm | 0:9b334a45a8ff | 1660 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1661 | { |
bogdanm | 0:9b334a45a8ff | 1662 | tmp = (uint16_t*) husart->pRxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1663 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1664 | { |
bogdanm | 0:9b334a45a8ff | 1665 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1666 | husart->pRxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1667 | } |
bogdanm | 0:9b334a45a8ff | 1668 | else |
bogdanm | 0:9b334a45a8ff | 1669 | { |
bogdanm | 0:9b334a45a8ff | 1670 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1671 | husart->pRxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1672 | } |
bogdanm | 0:9b334a45a8ff | 1673 | if(--husart->RxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1674 | { |
bogdanm | 0:9b334a45a8ff | 1675 | /* Send dummy byte in order to generate the clock for the slave to send the next data */ |
bogdanm | 0:9b334a45a8ff | 1676 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 1677 | } |
bogdanm | 0:9b334a45a8ff | 1678 | } |
bogdanm | 0:9b334a45a8ff | 1679 | else |
bogdanm | 0:9b334a45a8ff | 1680 | { |
bogdanm | 0:9b334a45a8ff | 1681 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1682 | { |
bogdanm | 0:9b334a45a8ff | 1683 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1684 | } |
bogdanm | 0:9b334a45a8ff | 1685 | else |
bogdanm | 0:9b334a45a8ff | 1686 | { |
bogdanm | 0:9b334a45a8ff | 1687 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 1688 | } |
bogdanm | 0:9b334a45a8ff | 1689 | |
bogdanm | 0:9b334a45a8ff | 1690 | if(--husart->RxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1691 | { |
bogdanm | 0:9b334a45a8ff | 1692 | /* Send dummy byte in order to generate the clock for the slave to send the next data */ |
bogdanm | 0:9b334a45a8ff | 1693 | WRITE_REG(husart->Instance->DR, (DUMMY_DATA & (uint16_t)0x00FF)); |
bogdanm | 0:9b334a45a8ff | 1694 | } |
bogdanm | 0:9b334a45a8ff | 1695 | } |
bogdanm | 0:9b334a45a8ff | 1696 | |
bogdanm | 0:9b334a45a8ff | 1697 | if(husart->RxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1698 | { |
bogdanm | 0:9b334a45a8ff | 1699 | /* Disable the USART RXNE Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1700 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1701 | |
bogdanm | 0:9b334a45a8ff | 1702 | /* Disable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1703 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1704 | |
bogdanm | 0:9b334a45a8ff | 1705 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1706 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1707 | |
bogdanm | 0:9b334a45a8ff | 1708 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1709 | HAL_USART_RxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1710 | |
bogdanm | 0:9b334a45a8ff | 1711 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1712 | } |
bogdanm | 0:9b334a45a8ff | 1713 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1714 | } |
bogdanm | 0:9b334a45a8ff | 1715 | else |
bogdanm | 0:9b334a45a8ff | 1716 | { |
bogdanm | 0:9b334a45a8ff | 1717 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1718 | } |
bogdanm | 0:9b334a45a8ff | 1719 | } |
bogdanm | 0:9b334a45a8ff | 1720 | |
bogdanm | 0:9b334a45a8ff | 1721 | /** |
bogdanm | 0:9b334a45a8ff | 1722 | * @brief Full-Duplex Send receive an amount of data in full-duplex mode (non-blocking). |
bogdanm | 0:9b334a45a8ff | 1723 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1724 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1725 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 1726 | */ |
bogdanm | 0:9b334a45a8ff | 1727 | static HAL_StatusTypeDef USART_TransmitReceive_IT(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1728 | { |
bogdanm | 0:9b334a45a8ff | 1729 | uint16_t* tmp=0; |
bogdanm | 0:9b334a45a8ff | 1730 | |
bogdanm | 0:9b334a45a8ff | 1731 | if(husart->State == HAL_USART_STATE_BUSY_TX_RX) |
bogdanm | 0:9b334a45a8ff | 1732 | { |
bogdanm | 0:9b334a45a8ff | 1733 | if(husart->TxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1734 | { |
bogdanm | 0:9b334a45a8ff | 1735 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_TXE) != RESET) |
bogdanm | 0:9b334a45a8ff | 1736 | { |
bogdanm | 0:9b334a45a8ff | 1737 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1738 | { |
bogdanm | 0:9b334a45a8ff | 1739 | tmp = (uint16_t*) husart->pTxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1740 | WRITE_REG(husart->Instance->DR, (uint16_t)(*tmp & (uint16_t)0x01FF)); |
bogdanm | 0:9b334a45a8ff | 1741 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1742 | { |
bogdanm | 0:9b334a45a8ff | 1743 | husart->pTxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1744 | } |
bogdanm | 0:9b334a45a8ff | 1745 | else |
bogdanm | 0:9b334a45a8ff | 1746 | { |
bogdanm | 0:9b334a45a8ff | 1747 | husart->pTxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1748 | } |
bogdanm | 0:9b334a45a8ff | 1749 | } |
bogdanm | 0:9b334a45a8ff | 1750 | else |
bogdanm | 0:9b334a45a8ff | 1751 | { |
bogdanm | 0:9b334a45a8ff | 1752 | WRITE_REG(husart->Instance->DR, (uint8_t)(*husart->pTxBuffPtr++ & (uint8_t)0x00FF)); |
bogdanm | 0:9b334a45a8ff | 1753 | } |
bogdanm | 0:9b334a45a8ff | 1754 | husart->TxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1755 | |
bogdanm | 0:9b334a45a8ff | 1756 | /* Check the latest data transmitted */ |
bogdanm | 0:9b334a45a8ff | 1757 | if(husart->TxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1758 | { |
bogdanm | 0:9b334a45a8ff | 1759 | __HAL_USART_DISABLE_IT(husart, USART_IT_TXE); |
bogdanm | 0:9b334a45a8ff | 1760 | } |
bogdanm | 0:9b334a45a8ff | 1761 | } |
bogdanm | 0:9b334a45a8ff | 1762 | } |
bogdanm | 0:9b334a45a8ff | 1763 | |
bogdanm | 0:9b334a45a8ff | 1764 | if(husart->RxXferCount != 0x00) |
bogdanm | 0:9b334a45a8ff | 1765 | { |
bogdanm | 0:9b334a45a8ff | 1766 | if(__HAL_USART_GET_FLAG(husart, USART_FLAG_RXNE) != RESET) |
bogdanm | 0:9b334a45a8ff | 1767 | { |
bogdanm | 0:9b334a45a8ff | 1768 | if(husart->Init.WordLength == USART_WORDLENGTH_9B) |
bogdanm | 0:9b334a45a8ff | 1769 | { |
bogdanm | 0:9b334a45a8ff | 1770 | tmp = (uint16_t*) husart->pRxBuffPtr; |
bogdanm | 0:9b334a45a8ff | 1771 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1772 | { |
bogdanm | 0:9b334a45a8ff | 1773 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x01FF); |
bogdanm | 0:9b334a45a8ff | 1774 | husart->pRxBuffPtr += 2; |
bogdanm | 0:9b334a45a8ff | 1775 | } |
bogdanm | 0:9b334a45a8ff | 1776 | else |
bogdanm | 0:9b334a45a8ff | 1777 | { |
bogdanm | 0:9b334a45a8ff | 1778 | *tmp = (uint16_t)(husart->Instance->DR & (uint16_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1779 | husart->pRxBuffPtr += 1; |
bogdanm | 0:9b334a45a8ff | 1780 | } |
bogdanm | 0:9b334a45a8ff | 1781 | } |
bogdanm | 0:9b334a45a8ff | 1782 | else |
bogdanm | 0:9b334a45a8ff | 1783 | { |
bogdanm | 0:9b334a45a8ff | 1784 | if(husart->Init.Parity == USART_PARITY_NONE) |
bogdanm | 0:9b334a45a8ff | 1785 | { |
bogdanm | 0:9b334a45a8ff | 1786 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x00FF); |
bogdanm | 0:9b334a45a8ff | 1787 | } |
bogdanm | 0:9b334a45a8ff | 1788 | else |
bogdanm | 0:9b334a45a8ff | 1789 | { |
bogdanm | 0:9b334a45a8ff | 1790 | *husart->pRxBuffPtr++ = (uint8_t)(husart->Instance->DR & (uint8_t)0x007F); |
bogdanm | 0:9b334a45a8ff | 1791 | } |
bogdanm | 0:9b334a45a8ff | 1792 | } |
bogdanm | 0:9b334a45a8ff | 1793 | husart->RxXferCount--; |
bogdanm | 0:9b334a45a8ff | 1794 | } |
bogdanm | 0:9b334a45a8ff | 1795 | } |
bogdanm | 0:9b334a45a8ff | 1796 | |
bogdanm | 0:9b334a45a8ff | 1797 | /* Check the latest data received */ |
bogdanm | 0:9b334a45a8ff | 1798 | if(husart->RxXferCount == 0) |
bogdanm | 0:9b334a45a8ff | 1799 | { |
bogdanm | 0:9b334a45a8ff | 1800 | __HAL_USART_DISABLE_IT(husart, USART_IT_RXNE); |
bogdanm | 0:9b334a45a8ff | 1801 | |
bogdanm | 0:9b334a45a8ff | 1802 | /* Disable the USART Parity Error Interrupt */ |
bogdanm | 0:9b334a45a8ff | 1803 | __HAL_USART_DISABLE_IT(husart, USART_IT_PE); |
bogdanm | 0:9b334a45a8ff | 1804 | |
bogdanm | 0:9b334a45a8ff | 1805 | /* Disable the USART Error Interrupt: (Frame error, noise error, overrun error) */ |
bogdanm | 0:9b334a45a8ff | 1806 | __HAL_USART_DISABLE_IT(husart, USART_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 1807 | |
bogdanm | 0:9b334a45a8ff | 1808 | husart->State = HAL_USART_STATE_READY; |
bogdanm | 0:9b334a45a8ff | 1809 | |
bogdanm | 0:9b334a45a8ff | 1810 | HAL_USART_TxRxCpltCallback(husart); |
bogdanm | 0:9b334a45a8ff | 1811 | |
bogdanm | 0:9b334a45a8ff | 1812 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1813 | } |
bogdanm | 0:9b334a45a8ff | 1814 | |
bogdanm | 0:9b334a45a8ff | 1815 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 1816 | } |
bogdanm | 0:9b334a45a8ff | 1817 | else |
bogdanm | 0:9b334a45a8ff | 1818 | { |
bogdanm | 0:9b334a45a8ff | 1819 | return HAL_BUSY; |
bogdanm | 0:9b334a45a8ff | 1820 | } |
bogdanm | 0:9b334a45a8ff | 1821 | } |
bogdanm | 0:9b334a45a8ff | 1822 | |
bogdanm | 0:9b334a45a8ff | 1823 | /** |
bogdanm | 0:9b334a45a8ff | 1824 | * @brief Configures the USART peripheral. |
bogdanm | 0:9b334a45a8ff | 1825 | * @param husart: Pointer to a USART_HandleTypeDef structure that contains |
bogdanm | 0:9b334a45a8ff | 1826 | * the configuration information for the specified USART module. |
bogdanm | 0:9b334a45a8ff | 1827 | * @retval None |
bogdanm | 0:9b334a45a8ff | 1828 | */ |
bogdanm | 0:9b334a45a8ff | 1829 | static void USART_SetConfig(USART_HandleTypeDef *husart) |
bogdanm | 0:9b334a45a8ff | 1830 | { |
bogdanm | 0:9b334a45a8ff | 1831 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 1832 | assert_param(IS_USART_POLARITY(husart->Init.CLKPolarity)); |
bogdanm | 0:9b334a45a8ff | 1833 | assert_param(IS_USART_PHASE(husart->Init.CLKPhase)); |
bogdanm | 0:9b334a45a8ff | 1834 | assert_param(IS_USART_LASTBIT(husart->Init.CLKLastBit)); |
bogdanm | 0:9b334a45a8ff | 1835 | assert_param(IS_USART_BAUDRATE(husart->Init.BaudRate)); |
bogdanm | 0:9b334a45a8ff | 1836 | assert_param(IS_USART_WORD_LENGTH(husart->Init.WordLength)); |
bogdanm | 0:9b334a45a8ff | 1837 | assert_param(IS_USART_STOPBITS(husart->Init.StopBits)); |
bogdanm | 0:9b334a45a8ff | 1838 | assert_param(IS_USART_PARITY(husart->Init.Parity)); |
bogdanm | 0:9b334a45a8ff | 1839 | assert_param(IS_USART_MODE(husart->Init.Mode)); |
bogdanm | 0:9b334a45a8ff | 1840 | |
bogdanm | 0:9b334a45a8ff | 1841 | /* The LBCL, CPOL and CPHA bits have to be selected when both the transmitter and the |
bogdanm | 0:9b334a45a8ff | 1842 | receiver are disabled (TE=RE=0) to ensure that the clock pulses function correctly. */ |
bogdanm | 0:9b334a45a8ff | 1843 | CLEAR_BIT(husart->Instance->CR1, ((uint32_t)(USART_CR1_TE | USART_CR1_RE))); |
bogdanm | 0:9b334a45a8ff | 1844 | |
bogdanm | 0:9b334a45a8ff | 1845 | /*---------------------------- USART CR2 Configuration ---------------------*/ |
bogdanm | 0:9b334a45a8ff | 1846 | /* Configure the USART Clock, CPOL, CPHA and LastBit -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1847 | /* Set CPOL bit according to husart->Init.CLKPolarity value */ |
bogdanm | 0:9b334a45a8ff | 1848 | /* Set CPHA bit according to husart->Init.CLKPhase value */ |
bogdanm | 0:9b334a45a8ff | 1849 | /* Set LBCL bit according to husart->Init.CLKLastBit value */ |
bogdanm | 0:9b334a45a8ff | 1850 | /* Set Stop Bits: Set STOP[13:12] bits according to husart->Init.StopBits value */ |
bogdanm | 0:9b334a45a8ff | 1851 | /* Write to USART CR2 */ |
bogdanm | 0:9b334a45a8ff | 1852 | MODIFY_REG(husart->Instance->CR2, |
bogdanm | 0:9b334a45a8ff | 1853 | (uint32_t)(USART_CR2_CPHA | USART_CR2_CPOL | USART_CR2_CLKEN | USART_CR2_LBCL | USART_CR2_STOP), |
bogdanm | 0:9b334a45a8ff | 1854 | ((uint32_t)(USART_CLOCK_ENABLE| husart->Init.CLKPolarity | husart->Init.CLKPhase| husart->Init.CLKLastBit | husart->Init.StopBits))); |
bogdanm | 0:9b334a45a8ff | 1855 | |
bogdanm | 0:9b334a45a8ff | 1856 | /*-------------------------- USART CR1 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1857 | /* Configure the USART Word Length, Parity and mode: |
bogdanm | 0:9b334a45a8ff | 1858 | Set the M bits according to husart->Init.WordLength value |
bogdanm | 0:9b334a45a8ff | 1859 | Set PCE and PS bits according to husart->Init.Parity value |
bogdanm | 0:9b334a45a8ff | 1860 | Set TE and RE bits according to husart->Init.Mode value */ |
bogdanm | 0:9b334a45a8ff | 1861 | MODIFY_REG(husart->Instance->CR1, |
bogdanm | 0:9b334a45a8ff | 1862 | (uint32_t)(USART_CR1_M | USART_CR1_PCE | USART_CR1_PS | USART_CR1_TE | USART_CR1_RE), |
bogdanm | 0:9b334a45a8ff | 1863 | (uint32_t)husart->Init.WordLength | husart->Init.Parity | husart->Init.Mode); |
bogdanm | 0:9b334a45a8ff | 1864 | |
bogdanm | 0:9b334a45a8ff | 1865 | /*-------------------------- USART CR3 Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1866 | /* Clear CTSE and RTSE bits */ |
bogdanm | 0:9b334a45a8ff | 1867 | CLEAR_BIT(husart->Instance->CR3, (uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE)); |
bogdanm | 0:9b334a45a8ff | 1868 | |
bogdanm | 0:9b334a45a8ff | 1869 | /*-------------------------- USART BRR Configuration -----------------------*/ |
bogdanm | 0:9b334a45a8ff | 1870 | if((husart->Instance == USART1)) |
bogdanm | 0:9b334a45a8ff | 1871 | { |
bogdanm | 0:9b334a45a8ff | 1872 | husart->Instance->BRR = USART_BRR(HAL_RCC_GetPCLK2Freq(), husart->Init.BaudRate); |
bogdanm | 0:9b334a45a8ff | 1873 | } |
bogdanm | 0:9b334a45a8ff | 1874 | else |
bogdanm | 0:9b334a45a8ff | 1875 | { |
bogdanm | 0:9b334a45a8ff | 1876 | husart->Instance->BRR = USART_BRR(HAL_RCC_GetPCLK1Freq(), husart->Init.BaudRate); |
bogdanm | 0:9b334a45a8ff | 1877 | } |
bogdanm | 0:9b334a45a8ff | 1878 | } |
bogdanm | 0:9b334a45a8ff | 1879 | |
bogdanm | 0:9b334a45a8ff | 1880 | /** |
bogdanm | 0:9b334a45a8ff | 1881 | * @} |
bogdanm | 0:9b334a45a8ff | 1882 | */ |
bogdanm | 0:9b334a45a8ff | 1883 | |
bogdanm | 0:9b334a45a8ff | 1884 | #endif /* HAL_USART_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 1885 | /** |
bogdanm | 0:9b334a45a8ff | 1886 | * @} |
bogdanm | 0:9b334a45a8ff | 1887 | */ |
bogdanm | 0:9b334a45a8ff | 1888 | |
bogdanm | 0:9b334a45a8ff | 1889 | /** |
bogdanm | 0:9b334a45a8ff | 1890 | * @} |
bogdanm | 0:9b334a45a8ff | 1891 | */ |
bogdanm | 0:9b334a45a8ff | 1892 | |
bogdanm | 0:9b334a45a8ff | 1893 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |