[303] | 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal_uart.h
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief Header file of UART HAL module.
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| 8 | ******************************************************************************
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| 9 | * @attention
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| 10 | *
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| 11 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 12 | *
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| 13 | * Redistribution and use in source and binary forms, with or without modification,
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| 14 | * are permitted provided that the following conditions are met:
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| 15 | * 1. Redistributions of source code must retain the above copyright notice,
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| 16 | * this list of conditions and the following disclaimer.
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| 17 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 18 | * this list of conditions and the following disclaimer in the documentation
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| 19 | * and/or other materials provided with the distribution.
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| 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 21 | * may be used to endorse or promote products derived from this software
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| 22 | * without specific prior written permission.
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| 23 | *
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| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 34 | *
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| 35 | ******************************************************************************
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| 36 | */
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| 37 |
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| 38 | /* Define to prevent recursive inclusion -------------------------------------*/
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| 39 | #ifndef __STM32F4xx_HAL_UART_H
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| 40 | #define __STM32F4xx_HAL_UART_H
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| 41 |
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| 42 | #ifdef __cplusplus
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| 43 | extern "C" {
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| 44 | #endif
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| 45 |
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| 46 | /* Includes ------------------------------------------------------------------*/
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| 47 | #include "stm32f4xx_hal_def.h"
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| 48 |
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| 49 | /** @addtogroup STM32F4xx_HAL_Driver
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| 50 | * @{
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| 51 | */
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| 52 |
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| 53 | /** @addtogroup UART
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| 54 | * @{
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| 55 | */
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| 56 |
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| 57 | /* Exported types ------------------------------------------------------------*/
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| 58 | /** @defgroup UART_Exported_Types UART Exported Types
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| 59 | * @{
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| 60 | */
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| 61 |
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| 62 | /**
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| 63 | * @brief UART Init Structure definition
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| 64 | */
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| 65 | typedef struct
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| 66 | {
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| 67 | uint32_t BaudRate; /*!< This member configures the UART communication baud rate.
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| 68 | The baud rate is computed using the following formula:
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| 69 | - IntegerDivider = ((PCLKx) / (8 * (OVR8+1) * (huart->Init.BaudRate)))
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| 70 | - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5
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| 71 | Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */
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| 72 |
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| 73 | uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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| 74 | This parameter can be a value of @ref UART_Word_Length */
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| 75 |
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| 76 | uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
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| 77 | This parameter can be a value of @ref UART_Stop_Bits */
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| 78 |
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| 79 | uint32_t Parity; /*!< Specifies the parity mode.
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| 80 | This parameter can be a value of @ref UART_Parity
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| 81 | @note When parity is enabled, the computed parity is inserted
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| 82 | at the MSB position of the transmitted data (9th bit when
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| 83 | the word length is set to 9 data bits; 8th bit when the
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| 84 | word length is set to 8 data bits). */
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| 85 |
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| 86 | uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled.
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| 87 | This parameter can be a value of @ref UART_Mode */
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| 88 |
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| 89 | uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled
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| 90 | or disabled.
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| 91 | This parameter can be a value of @ref UART_Hardware_Flow_Control */
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| 92 |
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| 93 | uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
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| 94 | This parameter can be a value of @ref UART_Over_Sampling */
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| 95 | }UART_InitTypeDef;
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| 96 |
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| 97 | /**
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| 98 | * @brief HAL UART State structures definition
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| 99 | */
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| 100 | typedef enum
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| 101 | {
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| 102 | HAL_UART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */
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| 103 | HAL_UART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */
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| 104 | HAL_UART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */
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| 105 | HAL_UART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
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| 106 | HAL_UART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
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| 107 | HAL_UART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */
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| 108 | HAL_UART_STATE_TIMEOUT = 0x03, /*!< Timeout state */
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| 109 | HAL_UART_STATE_ERROR = 0x04 /*!< Error */
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| 110 | }HAL_UART_StateTypeDef;
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| 111 |
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| 112 | /**
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| 113 | * @brief UART handle Structure definition
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| 114 | */
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| 115 | typedef struct
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| 116 | {
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| 117 | USART_TypeDef *Instance; /*!< UART registers base address */
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| 118 |
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| 119 | UART_InitTypeDef Init; /*!< UART communication parameters */
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| 120 |
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| 121 | uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */
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| 122 |
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| 123 | uint16_t TxXferSize; /*!< UART Tx Transfer size */
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| 124 |
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| 125 | uint16_t TxXferCount; /*!< UART Tx Transfer Counter */
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| 126 |
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| 127 | uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */
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| 128 |
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| 129 | uint16_t RxXferSize; /*!< UART Rx Transfer size */
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| 130 |
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| 131 | uint16_t RxXferCount; /*!< UART Rx Transfer Counter */
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| 132 |
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| 133 | DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */
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| 134 |
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| 135 | DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */
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| 136 |
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| 137 | HAL_LockTypeDef Lock; /*!< Locking object */
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| 138 |
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| 139 | __IO HAL_UART_StateTypeDef State; /*!< UART communication state */
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| 140 |
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| 141 | __IO uint32_t ErrorCode; /*!< UART Error code */
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| 142 |
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| 143 | }UART_HandleTypeDef;
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| 144 | /**
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| 145 | * @}
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| 146 | */
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| 147 |
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| 148 | /* Exported constants --------------------------------------------------------*/
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| 149 | /** @defgroup UART_Exported_Constants UART Exported constants
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| 150 | * @{
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| 151 | */
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| 152 |
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| 153 | /** @defgroup UART_Error_Code UART Error Code
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| 154 | * @brief UART Error Code
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| 155 | * @{
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| 156 | */
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| 157 | #define HAL_UART_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */
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| 158 | #define HAL_UART_ERROR_PE ((uint32_t)0x00000001) /*!< Parity error */
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| 159 | #define HAL_UART_ERROR_NE ((uint32_t)0x00000002) /*!< Noise error */
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| 160 | #define HAL_UART_ERROR_FE ((uint32_t)0x00000004) /*!< Frame error */
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| 161 | #define HAL_UART_ERROR_ORE ((uint32_t)0x00000008) /*!< Overrun error */
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| 162 | #define HAL_UART_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */
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| 163 | /**
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| 164 | * @}
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| 165 | */
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| 166 |
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| 167 | /** @defgroup UART_Word_Length UART Word Length
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| 168 | * @{
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| 169 | */
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| 170 | #define UART_WORDLENGTH_8B ((uint32_t)0x00000000)
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| 171 | #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
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| 172 | /**
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| 173 | * @}
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| 174 | */
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| 175 |
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| 176 | /** @defgroup UART_Stop_Bits UART Number of Stop Bits
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| 177 | * @{
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| 178 | */
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| 179 | #define UART_STOPBITS_1 ((uint32_t)0x00000000)
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| 180 | #define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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| 181 | /**
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| 182 | * @}
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| 183 | */
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| 184 |
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| 185 | /** @defgroup UART_Parity UART Parity
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| 186 | * @{
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| 187 | */
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| 188 | #define UART_PARITY_NONE ((uint32_t)0x00000000)
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| 189 | #define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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| 190 | #define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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| 191 | /**
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| 192 | * @}
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| 193 | */
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| 194 |
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| 195 | /** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control
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| 196 | * @{
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| 197 | */
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| 198 | #define UART_HWCONTROL_NONE ((uint32_t)0x00000000)
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| 199 | #define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE)
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| 200 | #define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE)
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| 201 | #define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
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| 202 | /**
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| 203 | * @}
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| 204 | */
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| 205 |
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| 206 | /** @defgroup UART_Mode UART Transfer Mode
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| 207 | * @{
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| 208 | */
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| 209 | #define UART_MODE_RX ((uint32_t)USART_CR1_RE)
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| 210 | #define UART_MODE_TX ((uint32_t)USART_CR1_TE)
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| 211 | #define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
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| 212 | /**
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| 213 | * @}
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| 214 | */
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| 215 |
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| 216 | /** @defgroup UART_State UART State
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| 217 | * @{
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| 218 | */
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| 219 | #define UART_STATE_DISABLE ((uint32_t)0x00000000)
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| 220 | #define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE)
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| 221 | /**
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| 222 | * @}
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| 223 | */
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| 224 |
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| 225 | /** @defgroup UART_Over_Sampling UART Over Sampling
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| 226 | * @{
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| 227 | */
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| 228 | #define UART_OVERSAMPLING_16 ((uint32_t)0x00000000)
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| 229 | #define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8)
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| 230 | /**
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| 231 | * @}
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| 232 | */
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| 233 |
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| 234 | /** @defgroup UART_LIN_Break_Detection_Length UART LIN Break Detection Length
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| 235 | * @{
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| 236 | */
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| 237 | #define UART_LINBREAKDETECTLENGTH_10B ((uint32_t)0x00000000)
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| 238 | #define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)0x00000020)
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| 239 | /**
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| 240 | * @}
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| 241 | */
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| 242 |
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| 243 | /** @defgroup UART_WakeUp_functions UART Wakeup Functions
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| 244 | * @{
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| 245 | */
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| 246 | #define UART_WAKEUPMETHOD_IDLELINE ((uint32_t)0x00000000)
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| 247 | #define UART_WAKEUPMETHOD_ADDRESSMARK ((uint32_t)0x00000800)
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| 248 | /**
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| 249 | * @}
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| 250 | */
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| 251 |
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| 252 | /** @defgroup UART_Flags UART FLags
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| 253 | * Elements values convention: 0xXXXX
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| 254 | * - 0xXXXX : Flag mask in the SR register
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| 255 | * @{
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| 256 | */
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| 257 | #define UART_FLAG_CTS ((uint32_t)USART_SR_CTS)
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| 258 | #define UART_FLAG_LBD ((uint32_t)USART_SR_LBD)
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| 259 | #define UART_FLAG_TXE ((uint32_t)USART_SR_TXE)
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| 260 | #define UART_FLAG_TC ((uint32_t)USART_SR_TC)
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| 261 | #define UART_FLAG_RXNE ((uint32_t)USART_SR_RXNE)
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| 262 | #define UART_FLAG_IDLE ((uint32_t)USART_SR_IDLE)
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| 263 | #define UART_FLAG_ORE ((uint32_t)USART_SR_ORE)
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| 264 | #define UART_FLAG_NE ((uint32_t)USART_SR_NE)
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| 265 | #define UART_FLAG_FE ((uint32_t)USART_SR_FE)
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| 266 | #define UART_FLAG_PE ((uint32_t)USART_SR_PE)
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| 267 | /**
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| 268 | * @}
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| 269 | */
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| 270 |
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| 271 | /** @defgroup UART_Interrupt_definition UART Interrupt Definitions
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| 272 | * Elements values convention: 0xY000XXXX
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| 273 | * - XXXX : Interrupt mask (16 bits) in the Y register
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| 274 | * - Y : Interrupt source register (2bits)
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| 275 | * - 0001: CR1 register
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| 276 | * - 0010: CR2 register
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| 277 | * - 0011: CR3 register
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| 278 | *
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| 279 | * @{
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| 280 | */
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| 281 |
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| 282 | #define UART_IT_PE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_PEIE))
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| 283 | #define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_TXEIE))
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| 284 | #define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_TCIE))
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| 285 | #define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE))
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| 286 | #define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE))
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| 287 |
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| 288 | #define UART_IT_LBD ((uint32_t)(UART_CR2_REG_INDEX << 28 | USART_CR2_LBDIE))
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| 289 |
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| 290 | #define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28 | USART_CR3_CTSIE))
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| 291 | #define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28 | USART_CR3_EIE))
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| 292 | /**
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| 293 | * @}
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| 294 | */
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| 295 |
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| 296 | /**
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| 297 | * @}
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| 298 | */
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| 299 |
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| 300 | /* Exported macro ------------------------------------------------------------*/
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| 301 | /** @defgroup UART_Exported_Macros UART Exported Macros
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| 302 | * @{
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| 303 | */
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| 304 |
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| 305 | /** @brief Reset UART handle state
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| 306 | * @param __HANDLE__: specifies the UART Handle.
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| 307 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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| 308 | * UART peripheral.
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| 309 | * @retval None
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| 310 | */
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| 311 | #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET)
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| 312 |
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| 313 | /** @brief Flushes the UART DR register
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| 314 | * @param __HANDLE__: specifies the UART Handle.
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| 315 | */
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| 316 | #define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
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| 317 |
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| 318 | /** @brief Checks whether the specified UART flag is set or not.
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| 319 | * @param __HANDLE__: specifies the UART Handle.
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| 320 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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| 321 | * UART peripheral.
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| 322 | * @param __FLAG__: specifies the flag to check.
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| 323 | * This parameter can be one of the following values:
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| 324 | * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5)
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| 325 | * @arg UART_FLAG_LBD: LIN Break detection flag
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| 326 | * @arg UART_FLAG_TXE: Transmit data register empty flag
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| 327 | * @arg UART_FLAG_TC: Transmission Complete flag
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| 328 | * @arg UART_FLAG_RXNE: Receive data register not empty flag
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| 329 | * @arg UART_FLAG_IDLE: Idle Line detection flag
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| 330 | * @arg UART_FLAG_ORE: Overrun Error flag
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| 331 | * @arg UART_FLAG_NE: Noise Error flag
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| 332 | * @arg UART_FLAG_FE: Framing Error flag
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| 333 | * @arg UART_FLAG_PE: Parity Error flag
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| 334 | * @retval The new state of __FLAG__ (TRUE or FALSE).
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| 335 | */
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| 336 |
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| 337 | #define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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| 338 |
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| 339 | /** @brief Clears the specified UART pending flag.
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| 340 | * @param __HANDLE__: specifies the UART Handle.
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| 341 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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| 342 | * UART peripheral.
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| 343 | * @param __FLAG__: specifies the flag to check.
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| 344 | * This parameter can be any combination of the following values:
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| 345 | * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5).
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| 346 | * @arg UART_FLAG_LBD: LIN Break detection flag.
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| 347 | * @arg UART_FLAG_TC: Transmission Complete flag.
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| 348 | * @arg UART_FLAG_RXNE: Receive data register not empty flag.
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| 349 | *
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| 350 | * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun
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| 351 | * error) and IDLE (Idle line detected) flags are cleared by software
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| 352 | * sequence: a read operation to USART_SR register followed by a read
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| 353 | * operation to USART_DR register.
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| 354 | * @note RXNE flag can be also cleared by a read to the USART_DR register.
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| 355 | * @note TC flag can be also cleared by software sequence: a read operation to
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| 356 | * USART_SR register followed by a write operation to USART_DR register.
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| 357 | * @note TXE flag is cleared only by a write to the USART_DR register.
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| 358 | *
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| 359 | * @retval None
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| 360 | */
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| 361 | #define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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| 362 |
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| 363 | /** @brief Clear the UART PE pending flag.
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| 364 | * @param __HANDLE__: specifies the UART Handle.
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| 365 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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| 366 | * UART peripheral.
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| 367 | * @retval None
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| 368 | */
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| 369 | #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \
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| 370 | do{ \
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| 371 | __IO uint32_t tmpreg; \
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| 372 | tmpreg = (__HANDLE__)->Instance->SR; \
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| 373 | tmpreg = (__HANDLE__)->Instance->DR; \
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| 374 | UNUSED(tmpreg); \
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| 375 | } while(0)
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| 376 |
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| 377 | /** @brief Clear the UART FE pending flag.
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| 378 | * @param __HANDLE__: specifies the UART Handle.
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| 379 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
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| 380 | * UART peripheral.
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| 381 | * @retval None
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| 382 | */
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| 383 | #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
---|
| 384 |
|
---|
| 385 | /** @brief Clear the UART NE pending flag.
|
---|
| 386 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 387 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
---|
| 388 | * UART peripheral.
|
---|
| 389 | * @retval None
|
---|
| 390 | */
|
---|
| 391 | #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
---|
| 392 |
|
---|
| 393 | /** @brief Clear the UART ORE pending flag.
|
---|
| 394 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 395 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
---|
| 396 | * UART peripheral.
|
---|
| 397 | * @retval None
|
---|
| 398 | */
|
---|
| 399 | #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
---|
| 400 |
|
---|
| 401 | /** @brief Clear the UART IDLE pending flag.
|
---|
| 402 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 403 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
---|
| 404 | * UART peripheral.
|
---|
| 405 | * @retval None
|
---|
| 406 | */
|
---|
| 407 | #define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
|
---|
| 408 |
|
---|
| 409 | /** @brief Enable the specified UART interrupt.
|
---|
| 410 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 411 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
---|
| 412 | * UART peripheral.
|
---|
| 413 | * @param __INTERRUPT__: specifies the UART interrupt source to enable.
|
---|
| 414 | * This parameter can be one of the following values:
|
---|
| 415 | * @arg UART_IT_CTS: CTS change interrupt
|
---|
| 416 | * @arg UART_IT_LBD: LIN Break detection interrupt
|
---|
| 417 | * @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
---|
| 418 | * @arg UART_IT_TC: Transmission complete interrupt
|
---|
| 419 | * @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
---|
| 420 | * @arg UART_IT_IDLE: Idle line detection interrupt
|
---|
| 421 | * @arg UART_IT_PE: Parity Error interrupt
|
---|
| 422 | * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
|
---|
| 423 | * @retval None
|
---|
| 424 | */
|
---|
| 425 | #define UART_IT_MASK ((uint32_t)0x0000FFFF)
|
---|
| 426 | #define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
|
---|
| 427 | (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
|
---|
| 428 | ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
|
---|
| 429 | /** @brief Disable the specified UART interrupt.
|
---|
| 430 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 431 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
---|
| 432 | * UART peripheral.
|
---|
| 433 | * @param __INTERRUPT__: specifies the UART interrupt source to disable.
|
---|
| 434 | * This parameter can be one of the following values:
|
---|
| 435 | * @arg UART_IT_CTS: CTS change interrupt
|
---|
| 436 | * @arg UART_IT_LBD: LIN Break detection interrupt
|
---|
| 437 | * @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
---|
| 438 | * @arg UART_IT_TC: Transmission complete interrupt
|
---|
| 439 | * @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
---|
| 440 | * @arg UART_IT_IDLE: Idle line detection interrupt
|
---|
| 441 | * @arg UART_IT_PE: Parity Error interrupt
|
---|
| 442 | * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
|
---|
| 443 | * @retval None
|
---|
| 444 | */
|
---|
| 445 | #define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
|
---|
| 446 | (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
|
---|
| 447 | ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
|
---|
| 448 |
|
---|
| 449 | /** @brief Checks whether the specified UART interrupt has occurred or not.
|
---|
| 450 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 451 | * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or
|
---|
| 452 | * UART peripheral.
|
---|
| 453 | * @param __IT__: specifies the UART interrupt source to check.
|
---|
| 454 | * This parameter can be one of the following values:
|
---|
| 455 | * @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
|
---|
| 456 | * @arg UART_IT_LBD: LIN Break detection interrupt
|
---|
| 457 | * @arg UART_IT_TXE: Transmit Data Register empty interrupt
|
---|
| 458 | * @arg UART_IT_TC: Transmission complete interrupt
|
---|
| 459 | * @arg UART_IT_RXNE: Receive Data register not empty interrupt
|
---|
| 460 | * @arg UART_IT_IDLE: Idle line detection interrupt
|
---|
| 461 | * @arg USART_IT_ERR: Error interrupt
|
---|
| 462 | * @retval The new state of __IT__ (TRUE or FALSE).
|
---|
| 463 | */
|
---|
| 464 | #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \
|
---|
| 465 | (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
|
---|
| 466 |
|
---|
| 467 | /** @brief Enable CTS flow control
|
---|
| 468 | * This macro allows to enable CTS hardware flow control for a given UART instance,
|
---|
| 469 | * without need to call HAL_UART_Init() function.
|
---|
| 470 | * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
---|
| 471 | * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
---|
| 472 | * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
---|
| 473 | * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
---|
| 474 | * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
---|
| 475 | * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
---|
| 476 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 477 | * The Handle Instance can be USART1, USART2 or LPUART.
|
---|
| 478 | * @retval None
|
---|
| 479 | */
|
---|
| 480 | #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
|
---|
| 481 | do{ \
|
---|
| 482 | SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
|
---|
| 483 | (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
|
---|
| 484 | } while(0)
|
---|
| 485 |
|
---|
| 486 | /** @brief Disable CTS flow control
|
---|
| 487 | * This macro allows to disable CTS hardware flow control for a given UART instance,
|
---|
| 488 | * without need to call HAL_UART_Init() function.
|
---|
| 489 | * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
---|
| 490 | * @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
---|
| 491 | * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
---|
| 492 | * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
---|
| 493 | * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
---|
| 494 | * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
---|
| 495 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 496 | * The Handle Instance can be USART1, USART2 or LPUART.
|
---|
| 497 | * @retval None
|
---|
| 498 | */
|
---|
| 499 | #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
|
---|
| 500 | do{ \
|
---|
| 501 | CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
|
---|
| 502 | (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
|
---|
| 503 | } while(0)
|
---|
| 504 |
|
---|
| 505 | /** @brief Enable RTS flow control
|
---|
| 506 | * This macro allows to enable RTS hardware flow control for a given UART instance,
|
---|
| 507 | * without need to call HAL_UART_Init() function.
|
---|
| 508 | * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
---|
| 509 | * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
---|
| 510 | * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
---|
| 511 | * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
---|
| 512 | * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
---|
| 513 | * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
---|
| 514 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 515 | * The Handle Instance can be USART1, USART2 or LPUART.
|
---|
| 516 | * @retval None
|
---|
| 517 | */
|
---|
| 518 | #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
|
---|
| 519 | do{ \
|
---|
| 520 | SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
|
---|
| 521 | (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
|
---|
| 522 | } while(0)
|
---|
| 523 |
|
---|
| 524 | /** @brief Disable RTS flow control
|
---|
| 525 | * This macro allows to disable RTS hardware flow control for a given UART instance,
|
---|
| 526 | * without need to call HAL_UART_Init() function.
|
---|
| 527 | * As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
---|
| 528 | * @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
---|
| 529 | * for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
---|
| 530 | * - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
---|
| 531 | * - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
---|
| 532 | * and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
---|
| 533 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 534 | * The Handle Instance can be USART1, USART2 or LPUART.
|
---|
| 535 | * @retval None
|
---|
| 536 | */
|
---|
| 537 | #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
|
---|
| 538 | do{ \
|
---|
| 539 | CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
|
---|
| 540 | (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
|
---|
| 541 | } while(0)
|
---|
| 542 |
|
---|
| 543 | /** @brief macros to enables the UART's one bit sample method
|
---|
| 544 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 545 | * @retval None
|
---|
| 546 | */
|
---|
| 547 | #define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
|
---|
| 548 |
|
---|
| 549 | /** @brief macros to disables the UART's one bit sample method
|
---|
| 550 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 551 | * @retval None
|
---|
| 552 | */
|
---|
| 553 | #define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
|
---|
| 554 |
|
---|
| 555 | /** @brief Enable UART
|
---|
| 556 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 557 | * @retval None
|
---|
| 558 | */
|
---|
| 559 | #define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
|
---|
| 560 |
|
---|
| 561 | /** @brief Disable UART
|
---|
| 562 | * @param __HANDLE__: specifies the UART Handle.
|
---|
| 563 | * @retval None
|
---|
| 564 | */
|
---|
| 565 | #define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
|
---|
| 566 | /**
|
---|
| 567 | * @}
|
---|
| 568 | */
|
---|
| 569 |
|
---|
| 570 | /* Exported functions --------------------------------------------------------*/
|
---|
| 571 | /** @addtogroup UART_Exported_Functions
|
---|
| 572 | * @{
|
---|
| 573 | */
|
---|
| 574 |
|
---|
| 575 | /** @addtogroup UART_Exported_Functions_Group1
|
---|
| 576 | * @{
|
---|
| 577 | */
|
---|
| 578 | /* Initialization/de-initialization functions **********************************/
|
---|
| 579 | HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
|
---|
| 580 | HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
|
---|
| 581 | HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
|
---|
| 582 | HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethod);
|
---|
| 583 | HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
|
---|
| 584 | void HAL_UART_MspInit(UART_HandleTypeDef *huart);
|
---|
| 585 | void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
|
---|
| 586 | /**
|
---|
| 587 | * @}
|
---|
| 588 | */
|
---|
| 589 |
|
---|
| 590 | /** @addtogroup UART_Exported_Functions_Group2
|
---|
| 591 | * @{
|
---|
| 592 | */
|
---|
| 593 | /* IO operation functions *******************************************************/
|
---|
| 594 | HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
---|
| 595 | HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
---|
| 596 | HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
---|
| 597 | HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
---|
| 598 | HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
---|
| 599 | HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
---|
| 600 | HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
|
---|
| 601 | HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
|
---|
| 602 | HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
|
---|
| 603 | void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
|
---|
| 604 | void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
|
---|
| 605 | void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
|
---|
| 606 | void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
|
---|
| 607 | void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
|
---|
| 608 | void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
|
---|
| 609 | /**
|
---|
| 610 | * @}
|
---|
| 611 | */
|
---|
| 612 |
|
---|
| 613 | /** @addtogroup UART_Exported_Functions_Group3
|
---|
| 614 | * @{
|
---|
| 615 | */
|
---|
| 616 | /* Peripheral Control functions ************************************************/
|
---|
| 617 | HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
|
---|
| 618 | HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
|
---|
| 619 | HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
|
---|
| 620 | HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
|
---|
| 621 | HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
|
---|
| 622 | /**
|
---|
| 623 | * @}
|
---|
| 624 | */
|
---|
| 625 |
|
---|
| 626 | /** @addtogroup UART_Exported_Functions_Group4
|
---|
| 627 | * @{
|
---|
| 628 | */
|
---|
| 629 | /* Peripheral State functions **************************************************/
|
---|
| 630 | HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
|
---|
| 631 | uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
|
---|
| 632 | /**
|
---|
| 633 | * @}
|
---|
| 634 | */
|
---|
| 635 |
|
---|
| 636 | /**
|
---|
| 637 | * @}
|
---|
| 638 | */
|
---|
| 639 | /* Private types -------------------------------------------------------------*/
|
---|
| 640 | /* Private variables ---------------------------------------------------------*/
|
---|
| 641 | /* Private constants ---------------------------------------------------------*/
|
---|
| 642 | /** @defgroup UART_Private_Constants UART Private Constants
|
---|
| 643 | * @{
|
---|
| 644 | */
|
---|
| 645 | /** @brief UART interruptions flag mask
|
---|
| 646 | *
|
---|
| 647 | */
|
---|
| 648 | #define UART_CR1_REG_INDEX 1
|
---|
| 649 | #define UART_CR2_REG_INDEX 2
|
---|
| 650 | #define UART_CR3_REG_INDEX 3
|
---|
| 651 | /**
|
---|
| 652 | * @}
|
---|
| 653 | */
|
---|
| 654 |
|
---|
| 655 | /* Private macros ------------------------------------------------------------*/
|
---|
| 656 | /** @defgroup UART_Private_Macros UART Private Macros
|
---|
| 657 | * @{
|
---|
| 658 | */
|
---|
| 659 | #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
|
---|
| 660 | ((LENGTH) == UART_WORDLENGTH_9B))
|
---|
| 661 | #define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B))
|
---|
| 662 | #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
|
---|
| 663 | ((STOPBITS) == UART_STOPBITS_2))
|
---|
| 664 | #define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
|
---|
| 665 | ((PARITY) == UART_PARITY_EVEN) || \
|
---|
| 666 | ((PARITY) == UART_PARITY_ODD))
|
---|
| 667 | #define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
|
---|
| 668 | (((CONTROL) == UART_HWCONTROL_NONE) || \
|
---|
| 669 | ((CONTROL) == UART_HWCONTROL_RTS) || \
|
---|
| 670 | ((CONTROL) == UART_HWCONTROL_CTS) || \
|
---|
| 671 | ((CONTROL) == UART_HWCONTROL_RTS_CTS))
|
---|
| 672 | #define IS_UART_MODE(MODE) ((((MODE) & (uint32_t)0x0000FFF3) == 0x00) && ((MODE) != (uint32_t)0x000000))
|
---|
| 673 | #define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
|
---|
| 674 | ((STATE) == UART_STATE_ENABLE))
|
---|
| 675 | #define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
|
---|
| 676 | ((SAMPLING) == UART_OVERSAMPLING_8))
|
---|
| 677 | #define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16))
|
---|
| 678 | #define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
|
---|
| 679 | ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
|
---|
| 680 | #define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \
|
---|
| 681 | ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK))
|
---|
| 682 | #define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001)
|
---|
| 683 | #define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF)
|
---|
| 684 |
|
---|
| 685 | #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25)/(4*(_BAUD_)))
|
---|
| 686 | #define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100)
|
---|
| 687 | #define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
|
---|
| 688 | #define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F))
|
---|
| 689 |
|
---|
| 690 | #define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_)))
|
---|
| 691 | #define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100)
|
---|
| 692 | #define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
|
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| 693 | #define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x0F))
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| 694 |
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| 695 | /**
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| 696 | * @}
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| 697 | */
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| 698 |
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| 699 | /* Private functions ---------------------------------------------------------*/
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| 700 | /** @defgroup UART_Private_Functions UART Private Functions
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| 701 | * @{
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| 702 | */
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| 703 |
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| 704 | /**
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| 705 | * @}
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| 706 | */
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| 707 |
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| 708 | /**
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| 709 | * @}
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| 710 | */
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| 711 |
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| 712 | /**
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| 713 | * @}
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| 714 | */
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| 715 |
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| 716 | #ifdef __cplusplus
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| 717 | }
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| 718 | #endif
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| 719 |
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| 720 | #endif /* __STM32F4xx_HAL_UART_H */
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| 721 |
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| 722 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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