e4d43401eb
This is in preparation for supporting other MCU series, such as
STM32F2xx. Directory structure for the HAL is now hal/f4/{inc,src},
where "f4" will in the future be different for other series.
HAL source/header files that are not use are removed to reduce the size
of the code.
610 lines
31 KiB
C
610 lines
31 KiB
C
/**
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******************************************************************************
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* @file stm32f4xx_hal_uart.h
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* @author MCD Application Team
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* @version V1.1.0
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* @date 19-June-2014
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* @brief Header file of UART HAL module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_HAL_UART_H
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#define __STM32F4xx_HAL_UART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal_def.h"
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/** @addtogroup STM32F4xx_HAL_Driver
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* @{
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*/
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/** @addtogroup UART
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief UART Init Structure definition
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*/
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typedef struct
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{
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uint32_t BaudRate; /*!< This member configures the UART communication baud rate.
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The baud rate is computed using the following formula:
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- IntegerDivider = ((PCLKx) / (8 * (OVR8+1) * (huart->Init.BaudRate)))
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- FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5
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Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */
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uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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This parameter can be a value of @ref UART_Word_Length */
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uint32_t StopBits; /*!< Specifies the number of stop bits transmitted.
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This parameter can be a value of @ref UART_Stop_Bits */
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uint32_t Parity; /*!< Specifies the parity mode.
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This parameter can be a value of @ref UART_Parity
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@note When parity is enabled, the computed parity is inserted
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at the MSB position of the transmitted data (9th bit when
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the word length is set to 9 data bits; 8th bit when the
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word length is set to 8 data bits). */
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uint32_t Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled.
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This parameter can be a value of @ref UART_Mode */
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uint32_t HwFlowCtl; /*!< Specifies wether the hardware flow control mode is enabled
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or disabled.
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This parameter can be a value of @ref UART_Hardware_Flow_Control */
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uint32_t OverSampling; /*!< Specifies wether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8).
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This parameter can be a value of @ref UART_Over_Sampling */
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}UART_InitTypeDef;
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/**
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* @brief HAL UART State structures definition
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*/
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typedef enum
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{
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HAL_UART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */
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HAL_UART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */
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HAL_UART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */
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HAL_UART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */
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HAL_UART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */
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HAL_UART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */
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HAL_UART_STATE_TIMEOUT = 0x03, /*!< Timeout state */
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HAL_UART_STATE_ERROR = 0x04 /*!< Error */
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}HAL_UART_StateTypeDef;
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/**
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* @brief HAL UART Error Code structure definition
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*/
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typedef enum
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{
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HAL_UART_ERROR_NONE = 0x00, /*!< No error */
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HAL_UART_ERROR_PE = 0x01, /*!< Parity error */
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HAL_UART_ERROR_NE = 0x02, /*!< Noise error */
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HAL_UART_ERROR_FE = 0x04, /*!< frame error */
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HAL_UART_ERROR_ORE = 0x08, /*!< Overrun error */
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HAL_UART_ERROR_DMA = 0x10 /*!< DMA transfer error */
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}HAL_UART_ErrorTypeDef;
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/**
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* @brief UART handle Structure definition
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*/
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typedef struct
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{
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USART_TypeDef *Instance; /* UART registers base address */
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UART_InitTypeDef Init; /* UART communication parameters */
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uint8_t *pTxBuffPtr; /* Pointer to UART Tx transfer Buffer */
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uint16_t TxXferSize; /* UART Tx Transfer size */
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uint16_t TxXferCount; /* UART Tx Transfer Counter */
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uint8_t *pRxBuffPtr; /* Pointer to UART Rx transfer Buffer */
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uint16_t RxXferSize; /* UART Rx Transfer size */
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uint16_t RxXferCount; /* UART Rx Transfer Counter */
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DMA_HandleTypeDef *hdmatx; /* UART Tx DMA Handle parameters */
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DMA_HandleTypeDef *hdmarx; /* UART Rx DMA Handle parameters */
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HAL_LockTypeDef Lock; /* Locking object */
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__IO HAL_UART_StateTypeDef State; /* UART communication state */
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__IO HAL_UART_ErrorTypeDef ErrorCode; /* UART Error code */
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}UART_HandleTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup UART_Exported_Constants
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* @{
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*/
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/** @defgroup UART_Word_Length
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* @{
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*/
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#define UART_WORDLENGTH_8B ((uint32_t)0x00000000)
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#define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M)
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#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \
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((LENGTH) == UART_WORDLENGTH_9B))
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/**
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* @}
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*/
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/** @defgroup UART_Stop_Bits
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* @{
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*/
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#define UART_STOPBITS_1 ((uint32_t)0x00000000)
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#define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1)
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#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \
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((STOPBITS) == UART_STOPBITS_2))
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/**
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* @}
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*/
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/** @defgroup UART_Parity
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* @{
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*/
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#define UART_PARITY_NONE ((uint32_t)0x00000000)
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#define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE)
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#define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS))
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#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \
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((PARITY) == UART_PARITY_EVEN) || \
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((PARITY) == UART_PARITY_ODD))
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/**
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* @}
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*/
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/** @defgroup UART_Hardware_Flow_Control
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* @{
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*/
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#define UART_HWCONTROL_NONE ((uint32_t)0x00000000)
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#define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE)
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#define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE)
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#define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE))
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#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\
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(((CONTROL) == UART_HWCONTROL_NONE) || \
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((CONTROL) == UART_HWCONTROL_RTS) || \
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((CONTROL) == UART_HWCONTROL_CTS) || \
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((CONTROL) == UART_HWCONTROL_RTS_CTS))
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/**
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* @}
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*/
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/** @defgroup UART_Mode
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* @{
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*/
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#define UART_MODE_RX ((uint32_t)USART_CR1_RE)
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#define UART_MODE_TX ((uint32_t)USART_CR1_TE)
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#define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE))
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#define IS_UART_MODE(MODE) ((((MODE) & (uint32_t)0x0000FFF3) == 0x00) && ((MODE) != (uint32_t)0x000000))
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/**
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* @}
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*/
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/** @defgroup UART_State
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* @{
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*/
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#define UART_STATE_DISABLE ((uint32_t)0x00000000)
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#define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE)
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#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \
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((STATE) == UART_STATE_ENABLE))
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/**
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* @}
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*/
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/** @defgroup UART_Over_Sampling
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* @{
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*/
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#define UART_OVERSAMPLING_16 ((uint32_t)0x00000000)
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#define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8)
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#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \
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((SAMPLING) == UART_OVERSAMPLING_8))
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/**
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* @}
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*/
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/** @defgroup UART_LIN_Break_Detection_Length
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* @{
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*/
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#define UART_LINBREAKDETECTLENGTH_10B ((uint32_t)0x00000000)
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#define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)0x00000020)
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#define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \
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((LENGTH) == UART_LINBREAKDETECTLENGTH_11B))
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/**
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* @}
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*/
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/** @defgroup UART_WakeUp_functions
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* @{
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*/
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#define UART_WAKEUPMETHODE_IDLELINE ((uint32_t)0x00000000)
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#define UART_WAKEUPMETHODE_ADDRESSMARK ((uint32_t)0x00000800)
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#define IS_UART_WAKEUPMETHODE(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHODE_IDLELINE) || \
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((WAKEUP) == UART_WAKEUPMETHODE_ADDRESSMARK))
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/**
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* @}
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*/
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/** @defgroup UART_Flags
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* Elements values convention: 0xXXXX
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* - 0xXXXX : Flag mask in the SR register
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* @{
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*/
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#define UART_FLAG_CTS ((uint32_t)0x00000200)
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#define UART_FLAG_LBD ((uint32_t)0x00000100)
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#define UART_FLAG_TXE ((uint32_t)0x00000080)
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#define UART_FLAG_TC ((uint32_t)0x00000040)
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#define UART_FLAG_RXNE ((uint32_t)0x00000020)
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#define UART_FLAG_IDLE ((uint32_t)0x00000010)
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#define UART_FLAG_ORE ((uint32_t)0x00000008)
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#define UART_FLAG_NE ((uint32_t)0x00000004)
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#define UART_FLAG_FE ((uint32_t)0x00000002)
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#define UART_FLAG_PE ((uint32_t)0x00000001)
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/**
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* @}
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*/
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/** @defgroup UART_Interrupt_definition
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* Elements values convention: 0xY000XXXX
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* - XXXX : Interrupt mask in the XX register
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* - Y : Interrupt source register (2bits)
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* - 01: CR1 register
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* - 10: CR2 register
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* - 11: CR3 register
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*
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* @{
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*/
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#define UART_IT_PE ((uint32_t)0x10000100)
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#define UART_IT_TXE ((uint32_t)0x10000080)
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#define UART_IT_TC ((uint32_t)0x10000040)
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#define UART_IT_RXNE ((uint32_t)0x10000020)
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#define UART_IT_IDLE ((uint32_t)0x10000010)
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#define UART_IT_LBD ((uint32_t)0x20000040)
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#define UART_IT_CTS ((uint32_t)0x30000400)
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#define UART_IT_ERR ((uint32_t)0x30000001)
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/** @brief Reset UART handle state
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @retval None
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*/
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#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET)
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/** @brief Flushs the UART DR register
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* @param __HANDLE__: specifies the UART Handle.
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*/
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#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR)
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/** @brief Checks whether the specified UART flag is set or not.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @param __FLAG__: specifies the flag to check.
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* This parameter can be one of the following values:
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* @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5)
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* @arg UART_FLAG_LBD: LIN Break detection flag
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* @arg UART_FLAG_TXE: Transmit data register empty flag
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* @arg UART_FLAG_TC: Transmission Complete flag
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* @arg UART_FLAG_RXNE: Receive data register not empty flag
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* @arg UART_FLAG_IDLE: Idle Line detection flag
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* @arg UART_FLAG_ORE: OverRun Error flag
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* @arg UART_FLAG_NE: Noise Error flag
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* @arg UART_FLAG_FE: Framing Error flag
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* @arg UART_FLAG_PE: Parity Error flag
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* @retval The new state of __FLAG__ (TRUE or FALSE).
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*/
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#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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/** @brief Clears the specified UART pending flag.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @param __FLAG__: specifies the flag to check.
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* This parameter can be any combination of the following values:
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* @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5).
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* @arg UART_FLAG_LBD: LIN Break detection flag.
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* @arg UART_FLAG_TC: Transmission Complete flag.
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* @arg UART_FLAG_RXNE: Receive data register not empty flag.
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*
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* @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun
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* error) and IDLE (Idle line detected) flags are cleared by software
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* sequence: a read operation to USART_SR register followed by a read
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* operation to USART_DR register.
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* @note RXNE flag can be also cleared by a read to the USART_DR register.
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* @note TC flag can be also cleared by software sequence: a read operation to
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* USART_SR register followed by a write operation to USART_DR register.
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* @note TXE flag is cleared only by a write to the USART_DR register.
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*
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* @retval None
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*/
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#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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/** @brief Clear the UART PE pending flag.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @retval None
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*/
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#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) do{(__HANDLE__)->Instance->SR;\
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(__HANDLE__)->Instance->DR;}while(0)
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/** @brief Clear the UART FE pending flag.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @retval None
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*/
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#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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/** @brief Clear the UART NE pending flag.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @retval None
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*/
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#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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/** @brief Clear the UART ORE pending flag.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @retval None
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*/
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#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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/** @brief Clear the UART IDLE pending flag.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @retval None
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*/
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#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__)
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/** @brief Enables or disables the specified UART interrupt.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @param __INTERRUPT__: specifies the UART interrupt source to check.
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* This parameter can be one of the following values:
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* @arg UART_IT_CTS: CTS change interrupt
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* @arg UART_IT_LBD: LIN Break detection interrupt
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* @arg UART_IT_TXE: Transmit Data Register empty interrupt
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* @arg UART_IT_TC: Transmission complete interrupt
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* @arg UART_IT_RXNE: Receive Data register not empty interrupt
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* @arg UART_IT_IDLE: Idle line detection interrupt
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* @arg UART_IT_PE: Parity Error interrupt
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* @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error)
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* @param NewState: new state of the specified UART interrupt.
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* This parameter can be: ENABLE or DISABLE.
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* @retval None
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*/
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#define UART_IT_MASK ((uint32_t)0x0000FFFF)
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#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
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(((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \
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((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK)))
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#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
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(((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
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((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK)))
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/** @brief Checks whether the specified UART interrupt has occurred or not.
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* @param __HANDLE__: specifies the UART Handle.
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* 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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* UART peripheral.
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* @param __IT__: specifies the UART interrupt source to check.
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* This parameter can be one of the following values:
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* @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5)
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* @arg UART_IT_LBD: LIN Break detection interrupt
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* @arg UART_IT_TXE: Transmit Data Register empty interrupt
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* @arg UART_IT_TC: Transmission complete interrupt
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* @arg UART_IT_RXNE: Receive Data register not empty interrupt
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* @arg UART_IT_IDLE: Idle line detection interrupt
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* @arg USART_IT_ERR: Error interrupt
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* @retval The new state of __IT__ (TRUE or FALSE).
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*/
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#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \
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(__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK))
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/** @brief Enable CTS flow control
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* This macro allows to enable CTS hardware flow control for a given UART instance,
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* without need to call HAL_UART_Init() function.
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* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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* @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
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* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
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* - UART instance should have already been initialised (through call of HAL_UART_Init() )
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* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
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* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
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* @param __HANDLE__: specifies the UART Handle.
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* The Handle Instance can be USART1, USART2 or LPUART.
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* @retval None
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*/
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#define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \
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do{ \
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SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
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(__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \
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} while(0)
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/** @brief Disable CTS flow control
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* This macro allows to disable CTS hardware flow control for a given UART instance,
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* without need to call HAL_UART_Init() function.
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* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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* @note As macro is expected to be used for modifying CTS Hw flow control feature activation, without need
|
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* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
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* - UART instance should have already been initialised (through call of HAL_UART_Init() )
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* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
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* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
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* @param __HANDLE__: specifies the UART Handle.
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* The Handle Instance can be USART1, USART2 or LPUART.
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* @retval None
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*/
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#define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \
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do{ \
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CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \
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(__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \
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} while(0)
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/** @brief Enable RTS flow control
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* This macro allows to enable RTS hardware flow control for a given UART instance,
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|
* without need to call HAL_UART_Init() function.
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|
* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
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|
* @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
|
* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
|
* - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
|
* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
|
* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
|
* @param __HANDLE__: specifies the UART Handle.
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|
* The Handle Instance can be USART1, USART2 or LPUART.
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* @retval None
|
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*/
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#define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \
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do{ \
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SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \
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(__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \
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} while(0)
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|
|
|
/** @brief Disable RTS flow control
|
|
* This macro allows to disable RTS hardware flow control for a given UART instance,
|
|
* without need to call HAL_UART_Init() function.
|
|
* As involving direct access to UART registers, usage of this macro should be fully endorsed by user.
|
|
* @note As macro is expected to be used for modifying RTS Hw flow control feature activation, without need
|
|
* for USART instance Deinit/Init, following conditions for macro call should be fulfilled :
|
|
* - UART instance should have already been initialised (through call of HAL_UART_Init() )
|
|
* - macro could only be called when corresponding UART instance is disabled (i.e __HAL_UART_DISABLE(__HANDLE__))
|
|
* and should be followed by an Enable macro (i.e __HAL_UART_ENABLE(__HANDLE__)).
|
|
* @param __HANDLE__: specifies the UART Handle.
|
|
* The Handle Instance can be USART1, USART2 or LPUART.
|
|
* @retval None
|
|
*/
|
|
#define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \
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|
do{ \
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|
CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\
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|
(__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \
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|
} while(0)
|
|
|
|
/** @brief macros to enables or disables the UART's one bit sampling method
|
|
* @param __HANDLE__: specifies the UART Handle.
|
|
* @retval None
|
|
*/
|
|
#define __HAL_UART_ONEBIT_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT)
|
|
#define __HAL_UART_ONEBIT_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT))
|
|
|
|
#define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE)
|
|
#define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE)
|
|
|
|
#define __DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25)/(4*(_BAUD_)))
|
|
#define __DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (__DIV_SAMPLING16((_PCLK_), (_BAUD_))/100)
|
|
#define __DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((__DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (__DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
|
|
#define __UART_BRR_SAMPLING16(_PCLK_, _BAUD_) ((__DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4)|(__DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F))
|
|
|
|
#define __DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_)))
|
|
#define __DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (__DIV_SAMPLING8((_PCLK_), (_BAUD_))/100)
|
|
#define __DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((__DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (__DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100)
|
|
#define __UART_BRR_SAMPLING8(_PCLK_, _BAUD_) ((__DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4)|(__DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x0F))
|
|
|
|
#define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001)
|
|
#define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF)
|
|
|
|
/* Exported functions --------------------------------------------------------*/
|
|
/* Initialization/de-initialization functions **********************************/
|
|
HAL_StatusTypeDef HAL_UART_Init(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_HalfDuplex_Init(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_LIN_Init(UART_HandleTypeDef *huart, uint32_t BreakDetectLength);
|
|
HAL_StatusTypeDef HAL_MultiProcessor_Init(UART_HandleTypeDef *huart, uint8_t Address, uint32_t WakeUpMethode);
|
|
HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart);
|
|
void HAL_UART_MspInit(UART_HandleTypeDef *huart);
|
|
void HAL_UART_MspDeInit(UART_HandleTypeDef *huart);
|
|
|
|
/* IO operation functions *******************************************************/
|
|
HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
|
HAL_StatusTypeDef HAL_UART_Receive(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint32_t Timeout);
|
|
HAL_StatusTypeDef HAL_UART_Transmit_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
HAL_StatusTypeDef HAL_UART_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
HAL_StatusTypeDef HAL_UART_Transmit_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
HAL_StatusTypeDef HAL_UART_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size);
|
|
HAL_StatusTypeDef HAL_UART_DMAPause(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_UART_DMAResume(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_UART_DMAStop(UART_HandleTypeDef *huart);
|
|
void HAL_UART_IRQHandler(UART_HandleTypeDef *huart);
|
|
void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
|
|
void HAL_UART_TxHalfCpltCallback(UART_HandleTypeDef *huart);
|
|
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart);
|
|
void HAL_UART_RxHalfCpltCallback(UART_HandleTypeDef *huart);
|
|
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart);
|
|
|
|
/* Peripheral Control functions ************************************************/
|
|
HAL_StatusTypeDef HAL_LIN_SendBreak(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_MultiProcessor_EnterMuteMode(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_MultiProcessor_ExitMuteMode(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_HalfDuplex_EnableTransmitter(UART_HandleTypeDef *huart);
|
|
HAL_StatusTypeDef HAL_HalfDuplex_EnableReceiver(UART_HandleTypeDef *huart);
|
|
|
|
/* Peripheral State functions **************************************************/
|
|
HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart);
|
|
uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart);
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __STM32F4xx_HAL_UART_H */
|
|
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|