From 3e4f402c0f93f76535511fa7b6ec12d060430f34 Mon Sep 17 00:00:00 2001 From: Fredrik Thulin Date: Wed, 2 Sep 2015 16:35:31 +0200 Subject: import CMSIS 1.3.2 (from STM32Cube FW_F4 V1.7.0) --- .../STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h | 1331 +++++++++++--------- 1 file changed, 722 insertions(+), 609 deletions(-) (limited to 'Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h') diff --git a/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h b/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h index a957bec..8e740bc 100644 --- a/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h +++ b/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_uart.h @@ -1,609 +1,722 @@ -/** - ****************************************************************************** - * @file stm32f4xx_hal_uart.h - * @author MCD Application Team - * @version V1.1.0 - * @date 19-June-2014 - * @brief Header file of UART HAL module. - ****************************************************************************** - * @attention - * - *

© COPYRIGHT(c) 2014 STMicroelectronics

- * - * Redistribution and use in source and binary forms, with or without modification, - * are permitted provided that the following conditions are met: - * 1. Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright notice, - * this list of conditions and the following disclaimer in the documentation - * and/or other materials provided with the distribution. - * 3. Neither the name of STMicroelectronics nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR - * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - ****************************************************************************** - */ - -/* Define to prevent recursive inclusion -------------------------------------*/ -#ifndef __STM32F4xx_HAL_UART_H -#define __STM32F4xx_HAL_UART_H - -#ifdef __cplusplus - extern "C" { -#endif - -/* Includes ------------------------------------------------------------------*/ -#include "stm32f4xx_hal_def.h" - -/** @addtogroup STM32F4xx_HAL_Driver - * @{ - */ - -/** @addtogroup UART - * @{ - */ - -/* Exported types ------------------------------------------------------------*/ - -/** - * @brief UART Init Structure definition - */ -typedef struct -{ - uint32_t BaudRate; /*!< This member configures the UART communication baud rate. - The baud rate is computed using the following formula: - - IntegerDivider = ((PCLKx) / (8 * (OVR8+1) * (huart->Init.BaudRate))) - - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5 - Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */ - - uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. - This parameter can be a value of @ref UART_Word_Length */ - - uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. - This parameter can be a value of @ref UART_Stop_Bits */ - - uint32_t Parity; /*!< Specifies the parity mode. - This parameter can be a value of @ref UART_Parity - @note When parity is enabled, the computed parity is inserted - at the MSB position of the transmitted data (9th bit when - the word length is set to 9 data bits; 8th bit when the - word length is set to 8 data bits). */ - - uint32_t Mode; /*!< Specifies wether the Receive or Transmit mode is enabled or disabled. - This parameter can be a value of @ref UART_Mode */ - - uint32_t HwFlowCtl; /*!< Specifies wether the hardware flow control mode is enabled - or disabled. - This parameter can be a value of @ref UART_Hardware_Flow_Control */ - - uint32_t OverSampling; /*!< Specifies wether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8). - This parameter can be a value of @ref UART_Over_Sampling */ -}UART_InitTypeDef; - -/** - * @brief HAL UART State structures definition - */ -typedef enum -{ - HAL_UART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */ - HAL_UART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */ - HAL_UART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */ - HAL_UART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */ - HAL_UART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */ - HAL_UART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */ - HAL_UART_STATE_TIMEOUT = 0x03, /*!< Timeout state */ - HAL_UART_STATE_ERROR = 0x04 /*!< Error */ -}HAL_UART_StateTypeDef; - -/** - * @brief HAL UART Error Code structure definition - */ -typedef enum -{ - HAL_UART_ERROR_NONE = 0x00, /*!< No error */ - HAL_UART_ERROR_PE = 0x01, /*!< Parity error */ - HAL_UART_ERROR_NE = 0x02, /*!< Noise error */ - HAL_UART_ERROR_FE = 0x04, /*!< frame error */ - HAL_UART_ERROR_ORE = 0x08, /*!< Overrun error */ - HAL_UART_ERROR_DMA = 0x10 /*!< DMA transfer error */ -}HAL_UART_ErrorTypeDef; - -/** - * @brief UART handle Structure definition - */ -typedef struct -{ - USART_TypeDef *Instance; /* UART registers base address */ - - UART_InitTypeDef Init; /* UART communication parameters */ - - uint8_t *pTxBuffPtr; /* Pointer to UART Tx transfer Buffer */ - - uint16_t TxXferSize; /* UART Tx Transfer size */ - - uint16_t TxXferCount; /* UART Tx Transfer Counter */ - - uint8_t *pRxBuffPtr; /* Pointer to UART Rx transfer Buffer */ - - uint16_t RxXferSize; /* UART Rx Transfer size */ - - uint16_t RxXferCount; /* UART Rx Transfer Counter */ - - DMA_HandleTypeDef *hdmatx; /* UART Tx DMA Handle parameters */ - - DMA_HandleTypeDef *hdmarx; /* UART Rx DMA Handle parameters */ - - HAL_LockTypeDef Lock; /* Locking object */ - - __IO HAL_UART_StateTypeDef State; /* UART communication state */ - - __IO HAL_UART_ErrorTypeDef ErrorCode; /* UART Error code */ - -}UART_HandleTypeDef; - -/* Exported constants --------------------------------------------------------*/ -/** @defgroup UART_Exported_Constants - * @{ - */ - -/** @defgroup UART_Word_Length - * @{ - */ -#define UART_WORDLENGTH_8B ((uint32_t)0x00000000) -#define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) -#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \ - ((LENGTH) == UART_WORDLENGTH_9B)) -/** - * @} - */ - -/** @defgroup UART_Stop_Bits - * @{ - */ -#define UART_STOPBITS_1 ((uint32_t)0x00000000) -#define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) -#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \ - ((STOPBITS) == UART_STOPBITS_2)) -/** - * @} - */ - -/** @defgroup UART_Parity - * @{ - */ -#define UART_PARITY_NONE ((uint32_t)0x00000000) -#define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE) -#define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) -#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \ - ((PARITY) == UART_PARITY_EVEN) || \ - ((PARITY) == UART_PARITY_ODD)) -/** - * @} - */ - -/** @defgroup UART_Hardware_Flow_Control - * @{ - */ -#define UART_HWCONTROL_NONE ((uint32_t)0x00000000) -#define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE) -#define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE) -#define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE)) -#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\ - (((CONTROL) == UART_HWCONTROL_NONE) || \ - ((CONTROL) == UART_HWCONTROL_RTS) || \ - ((CONTROL) == UART_HWCONTROL_CTS) || \ - ((CONTROL) == UART_HWCONTROL_RTS_CTS)) -/** - * @} - */ - -/** @defgroup UART_Mode - * @{ - */ -#define UART_MODE_RX ((uint32_t)USART_CR1_RE) -#define UART_MODE_TX ((uint32_t)USART_CR1_TE) -#define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE)) -#define IS_UART_MODE(MODE) ((((MODE) & (uint32_t)0x0000FFF3) == 0x00) && ((MODE) != (uint32_t)0x000000)) -/** - * @} - */ - - /** @defgroup UART_State - * @{ - */ -#define UART_STATE_DISABLE ((uint32_t)0x00000000) -#define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE) -#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \ - ((STATE) == UART_STATE_ENABLE)) -/** - * @} - */ - -/** @defgroup UART_Over_Sampling - * @{ - */ -#define UART_OVERSAMPLING_16 ((uint32_t)0x00000000) -#define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8) -#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \ - ((SAMPLING) == UART_OVERSAMPLING_8)) -/** - * @} - */ - -/** @defgroup UART_LIN_Break_Detection_Length - * @{ - */ -#define UART_LINBREAKDETECTLENGTH_10B ((uint32_t)0x00000000) -#define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)0x00000020) -#define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \ - ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B)) -/** - * @} - */ - -/** @defgroup UART_WakeUp_functions - * @{ - */ -#define UART_WAKEUPMETHODE_IDLELINE ((uint32_t)0x00000000) -#define UART_WAKEUPMETHODE_ADDRESSMARK ((uint32_t)0x00000800) -#define IS_UART_WAKEUPMETHODE(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHODE_IDLELINE) || \ - ((WAKEUP) == UART_WAKEUPMETHODE_ADDRESSMARK)) -/** - * @} - */ - -/** @defgroup UART_Flags - * Elements values convention: 0xXXXX - * - 0xXXXX : Flag mask in the SR register - * @{ - */ -#define UART_FLAG_CTS ((uint32_t)0x00000200) -#define UART_FLAG_LBD ((uint32_t)0x00000100) -#define UART_FLAG_TXE ((uint32_t)0x00000080) -#define UART_FLAG_TC ((uint32_t)0x00000040) -#define UART_FLAG_RXNE ((uint32_t)0x00000020) -#define UART_FLAG_IDLE ((uint32_t)0x00000010) -#define UART_FLAG_ORE ((uint32_t)0x00000008) -#define UART_FLAG_NE ((uint32_t)0x00000004) -#define UART_FLAG_FE ((uint32_t)0x00000002) -#define UART_FLAG_PE ((uint32_t)0x00000001) -/** - * @} - */ - -/** @defgroup UART_Interrupt_definition - * Elements values convention: 0xY000XXXX - * - XXXX : Interrupt mask in the XX register - * - Y : Interrupt source register (2bits) - * - 01: CR1 register - * - 10: CR2 register - * - 11: CR3 register - * - * @{ - */ -#define UART_IT_PE ((uint32_t)0x10000100) -#define UART_IT_TXE ((uint32_t)0x10000080) -#define UART_IT_TC ((uint32_t)0x10000040) -#define UART_IT_RXNE ((uint32_t)0x10000020) -#define UART_IT_IDLE ((uint32_t)0x10000010) - -#define UART_IT_LBD ((uint32_t)0x20000040) -#define UART_IT_CTS ((uint32_t)0x30000400) - -#define UART_IT_ERR ((uint32_t)0x30000001) - -/** - * @} - */ - -/** - * @} - */ - -/* Exported macro ------------------------------------------------------------*/ - -/** @brief Reset UART handle state - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @retval None - */ -#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET) - -/** @brief Flushs the UART DR register - * @param __HANDLE__: specifies the UART Handle. - */ -#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR) - -/** @brief Checks whether the specified UART flag is set or not. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @param __FLAG__: specifies the flag to check. - * This parameter can be one of the following values: - * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5) - * @arg UART_FLAG_LBD: LIN Break detection flag - * @arg UART_FLAG_TXE: Transmit data register empty flag - * @arg UART_FLAG_TC: Transmission Complete flag - * @arg UART_FLAG_RXNE: Receive data register not empty flag - * @arg UART_FLAG_IDLE: Idle Line detection flag - * @arg UART_FLAG_ORE: OverRun Error flag - * @arg UART_FLAG_NE: Noise Error flag - * @arg UART_FLAG_FE: Framing Error flag - * @arg UART_FLAG_PE: Parity Error flag - * @retval The new state of __FLAG__ (TRUE or FALSE). - */ - -#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) - -/** @brief Clears the specified UART pending flag. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @param __FLAG__: specifies the flag to check. - * This parameter can be any combination of the following values: - * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5). - * @arg UART_FLAG_LBD: LIN Break detection flag. - * @arg UART_FLAG_TC: Transmission Complete flag. - * @arg UART_FLAG_RXNE: Receive data register not empty flag. - * - * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (OverRun - * error) and IDLE (Idle line detected) flags are cleared by software - * sequence: a read operation to USART_SR register followed by a read - * operation to USART_DR register. - * @note RXNE flag can be also cleared by a read to the USART_DR register. - * @note TC flag can be also cleared by software sequence: a read operation to - * USART_SR register followed by a write operation to USART_DR register. - * @note TXE flag is cleared only by a write to the USART_DR register. - * - * @retval None - */ -#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__)) - -/** @brief Clear the UART PE pending flag. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @retval None - */ -#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) do{(__HANDLE__)->Instance->SR;\ - (__HANDLE__)->Instance->DR;}while(0) -/** @brief Clear the UART FE pending flag. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @retval None - */ -#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) - -/** @brief Clear the UART NE pending flag. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @retval None - */ -#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) - -/** @brief Clear the UART ORE pending flag. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @retval None - */ -#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) - -/** @brief Clear the UART IDLE pending flag. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @retval None - */ -#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) - -/** @brief Enables or disables the specified UART interrupt. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @param __INTERRUPT__: specifies the UART interrupt source to check. - * This parameter can be one of the following values: - * @arg UART_IT_CTS: CTS change interrupt - * @arg UART_IT_LBD: LIN Break detection interrupt - * @arg UART_IT_TXE: Transmit Data Register empty interrupt - * @arg UART_IT_TC: Transmission complete interrupt - * @arg UART_IT_RXNE: Receive Data register not empty interrupt - * @arg UART_IT_IDLE: Idle line detection interrupt - * @arg UART_IT_PE: Parity Error interrupt - * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error) - * @param NewState: new state of the specified UART interrupt. - * This parameter can be: ENABLE or DISABLE. - * @retval None - */ -#define UART_IT_MASK ((uint32_t)0x0000FFFF) -#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \ - (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \ - ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK))) -#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ - (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ - ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK))) - -/** @brief Checks whether the specified UART interrupt has occurred or not. - * @param __HANDLE__: specifies the UART Handle. - * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or - * UART peripheral. - * @param __IT__: specifies the UART interrupt source to check. - * This parameter can be one of the following values: - * @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5) - * @arg UART_IT_LBD: LIN Break detection interrupt - * @arg UART_IT_TXE: Transmit Data Register empty interrupt - * @arg UART_IT_TC: Transmission complete interrupt - * @arg UART_IT_RXNE: Receive Data register not empty interrupt - * @arg UART_IT_IDLE: Idle line detection interrupt - * @arg USART_IT_ERR: Error interrupt - * @retval The new state of __IT__ (TRUE or FALSE). - */ -#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \ - (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK)) - -/** @brief Enable CTS flow control - * This macro allows to enable CTS 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 CTS 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_CTS_ENABLE(__HANDLE__) \ - do{ \ - SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ - (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \ - } while(0) - -/** @brief Disable CTS flow control - * This macro allows to disable CTS 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 CTS 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_CTS_DISABLE(__HANDLE__) \ - do{ \ - CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ - (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \ - } while(0) - -/** @brief Enable RTS flow control - * This macro allows to enable 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_ENABLE(__HANDLE__) \ - do{ \ - SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \ - (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \ - } while(0) - -/** @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__) \ - do{ \ - CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\ - (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \ - } 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****/ +/** + ****************************************************************************** + * @file stm32f4xx_hal_uart.h + * @author MCD Application Team + * @version V1.3.2 + * @date 26-June-2015 + * @brief Header file of UART HAL module. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT(c) 2015 STMicroelectronics

+ * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef __STM32F4xx_HAL_UART_H +#define __STM32F4xx_HAL_UART_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx_hal_def.h" + +/** @addtogroup STM32F4xx_HAL_Driver + * @{ + */ + +/** @addtogroup UART + * @{ + */ + +/* Exported types ------------------------------------------------------------*/ +/** @defgroup UART_Exported_Types UART Exported Types + * @{ + */ + +/** + * @brief UART Init Structure definition + */ +typedef struct +{ + uint32_t BaudRate; /*!< This member configures the UART communication baud rate. + The baud rate is computed using the following formula: + - IntegerDivider = ((PCLKx) / (8 * (OVR8+1) * (huart->Init.BaudRate))) + - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8 * (OVR8+1)) + 0.5 + Where OVR8 is the "oversampling by 8 mode" configuration bit in the CR1 register. */ + + uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. + This parameter can be a value of @ref UART_Word_Length */ + + uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. + This parameter can be a value of @ref UART_Stop_Bits */ + + uint32_t Parity; /*!< Specifies the parity mode. + This parameter can be a value of @ref UART_Parity + @note When parity is enabled, the computed parity is inserted + at the MSB position of the transmitted data (9th bit when + the word length is set to 9 data bits; 8th bit when the + word length is set to 8 data bits). */ + + uint32_t Mode; /*!< Specifies whether the Receive or Transmit mode is enabled or disabled. + This parameter can be a value of @ref UART_Mode */ + + uint32_t HwFlowCtl; /*!< Specifies whether the hardware flow control mode is enabled + or disabled. + This parameter can be a value of @ref UART_Hardware_Flow_Control */ + + uint32_t OverSampling; /*!< Specifies whether the Over sampling 8 is enabled or disabled, to achieve higher speed (up to fPCLK/8). + This parameter can be a value of @ref UART_Over_Sampling */ +}UART_InitTypeDef; + +/** + * @brief HAL UART State structures definition + */ +typedef enum +{ + HAL_UART_STATE_RESET = 0x00, /*!< Peripheral is not yet Initialized */ + HAL_UART_STATE_READY = 0x01, /*!< Peripheral Initialized and ready for use */ + HAL_UART_STATE_BUSY = 0x02, /*!< an internal process is ongoing */ + HAL_UART_STATE_BUSY_TX = 0x12, /*!< Data Transmission process is ongoing */ + HAL_UART_STATE_BUSY_RX = 0x22, /*!< Data Reception process is ongoing */ + HAL_UART_STATE_BUSY_TX_RX = 0x32, /*!< Data Transmission and Reception process is ongoing */ + HAL_UART_STATE_TIMEOUT = 0x03, /*!< Timeout state */ + HAL_UART_STATE_ERROR = 0x04 /*!< Error */ +}HAL_UART_StateTypeDef; + +/** + * @brief UART handle Structure definition + */ +typedef struct +{ + USART_TypeDef *Instance; /*!< UART registers base address */ + + UART_InitTypeDef Init; /*!< UART communication parameters */ + + uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */ + + uint16_t TxXferSize; /*!< UART Tx Transfer size */ + + uint16_t TxXferCount; /*!< UART Tx Transfer Counter */ + + uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */ + + uint16_t RxXferSize; /*!< UART Rx Transfer size */ + + uint16_t RxXferCount; /*!< UART Rx Transfer Counter */ + + DMA_HandleTypeDef *hdmatx; /*!< UART Tx DMA Handle parameters */ + + DMA_HandleTypeDef *hdmarx; /*!< UART Rx DMA Handle parameters */ + + HAL_LockTypeDef Lock; /*!< Locking object */ + + __IO HAL_UART_StateTypeDef State; /*!< UART communication state */ + + __IO uint32_t ErrorCode; /*!< UART Error code */ + +}UART_HandleTypeDef; +/** + * @} + */ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup UART_Exported_Constants UART Exported constants + * @{ + */ + +/** @defgroup UART_Error_Code UART Error Code + * @brief UART Error Code + * @{ + */ +#define HAL_UART_ERROR_NONE ((uint32_t)0x00000000) /*!< No error */ +#define HAL_UART_ERROR_PE ((uint32_t)0x00000001) /*!< Parity error */ +#define HAL_UART_ERROR_NE ((uint32_t)0x00000002) /*!< Noise error */ +#define HAL_UART_ERROR_FE ((uint32_t)0x00000004) /*!< Frame error */ +#define HAL_UART_ERROR_ORE ((uint32_t)0x00000008) /*!< Overrun error */ +#define HAL_UART_ERROR_DMA ((uint32_t)0x00000010) /*!< DMA transfer error */ +/** + * @} + */ + +/** @defgroup UART_Word_Length UART Word Length + * @{ + */ +#define UART_WORDLENGTH_8B ((uint32_t)0x00000000) +#define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) +/** + * @} + */ + +/** @defgroup UART_Stop_Bits UART Number of Stop Bits + * @{ + */ +#define UART_STOPBITS_1 ((uint32_t)0x00000000) +#define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) +/** + * @} + */ + +/** @defgroup UART_Parity UART Parity + * @{ + */ +#define UART_PARITY_NONE ((uint32_t)0x00000000) +#define UART_PARITY_EVEN ((uint32_t)USART_CR1_PCE) +#define UART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) +/** + * @} + */ + +/** @defgroup UART_Hardware_Flow_Control UART Hardware Flow Control + * @{ + */ +#define UART_HWCONTROL_NONE ((uint32_t)0x00000000) +#define UART_HWCONTROL_RTS ((uint32_t)USART_CR3_RTSE) +#define UART_HWCONTROL_CTS ((uint32_t)USART_CR3_CTSE) +#define UART_HWCONTROL_RTS_CTS ((uint32_t)(USART_CR3_RTSE | USART_CR3_CTSE)) +/** + * @} + */ + +/** @defgroup UART_Mode UART Transfer Mode + * @{ + */ +#define UART_MODE_RX ((uint32_t)USART_CR1_RE) +#define UART_MODE_TX ((uint32_t)USART_CR1_TE) +#define UART_MODE_TX_RX ((uint32_t)(USART_CR1_TE |USART_CR1_RE)) +/** + * @} + */ + + /** @defgroup UART_State UART State + * @{ + */ +#define UART_STATE_DISABLE ((uint32_t)0x00000000) +#define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE) +/** + * @} + */ + +/** @defgroup UART_Over_Sampling UART Over Sampling + * @{ + */ +#define UART_OVERSAMPLING_16 ((uint32_t)0x00000000) +#define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8) +/** + * @} + */ + +/** @defgroup UART_LIN_Break_Detection_Length UART LIN Break Detection Length + * @{ + */ +#define UART_LINBREAKDETECTLENGTH_10B ((uint32_t)0x00000000) +#define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)0x00000020) +/** + * @} + */ + +/** @defgroup UART_WakeUp_functions UART Wakeup Functions + * @{ + */ +#define UART_WAKEUPMETHOD_IDLELINE ((uint32_t)0x00000000) +#define UART_WAKEUPMETHOD_ADDRESSMARK ((uint32_t)0x00000800) +/** + * @} + */ + +/** @defgroup UART_Flags UART FLags + * Elements values convention: 0xXXXX + * - 0xXXXX : Flag mask in the SR register + * @{ + */ +#define UART_FLAG_CTS ((uint32_t)USART_SR_CTS) +#define UART_FLAG_LBD ((uint32_t)USART_SR_LBD) +#define UART_FLAG_TXE ((uint32_t)USART_SR_TXE) +#define UART_FLAG_TC ((uint32_t)USART_SR_TC) +#define UART_FLAG_RXNE ((uint32_t)USART_SR_RXNE) +#define UART_FLAG_IDLE ((uint32_t)USART_SR_IDLE) +#define UART_FLAG_ORE ((uint32_t)USART_SR_ORE) +#define UART_FLAG_NE ((uint32_t)USART_SR_NE) +#define UART_FLAG_FE ((uint32_t)USART_SR_FE) +#define UART_FLAG_PE ((uint32_t)USART_SR_PE) +/** + * @} + */ + +/** @defgroup UART_Interrupt_definition UART Interrupt Definitions + * Elements values convention: 0xY000XXXX + * - XXXX : Interrupt mask (16 bits) in the Y register + * - Y : Interrupt source register (2bits) + * - 0001: CR1 register + * - 0010: CR2 register + * - 0011: CR3 register + * + * @{ + */ + +#define UART_IT_PE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_PEIE)) +#define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_TXEIE)) +#define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_TCIE)) +#define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_RXNEIE)) +#define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28 | USART_CR1_IDLEIE)) + +#define UART_IT_LBD ((uint32_t)(UART_CR2_REG_INDEX << 28 | USART_CR2_LBDIE)) + +#define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28 | USART_CR3_CTSIE)) +#define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28 | USART_CR3_EIE)) +/** + * @} + */ + +/** + * @} + */ + +/* Exported macro ------------------------------------------------------------*/ +/** @defgroup UART_Exported_Macros UART Exported Macros + * @{ + */ + +/** @brief Reset UART handle state + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @retval None + */ +#define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_UART_STATE_RESET) + +/** @brief Flushes the UART DR register + * @param __HANDLE__: specifies the UART Handle. + */ +#define __HAL_UART_FLUSH_DRREGISTER(__HANDLE__) ((__HANDLE__)->Instance->DR) + +/** @brief Checks whether the specified UART flag is set or not. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @param __FLAG__: specifies the flag to check. + * This parameter can be one of the following values: + * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5) + * @arg UART_FLAG_LBD: LIN Break detection flag + * @arg UART_FLAG_TXE: Transmit data register empty flag + * @arg UART_FLAG_TC: Transmission Complete flag + * @arg UART_FLAG_RXNE: Receive data register not empty flag + * @arg UART_FLAG_IDLE: Idle Line detection flag + * @arg UART_FLAG_ORE: Overrun Error flag + * @arg UART_FLAG_NE: Noise Error flag + * @arg UART_FLAG_FE: Framing Error flag + * @arg UART_FLAG_PE: Parity Error flag + * @retval The new state of __FLAG__ (TRUE or FALSE). + */ + +#define __HAL_UART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) + +/** @brief Clears the specified UART pending flag. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @param __FLAG__: specifies the flag to check. + * This parameter can be any combination of the following values: + * @arg UART_FLAG_CTS: CTS Change flag (not available for UART4 and UART5). + * @arg UART_FLAG_LBD: LIN Break detection flag. + * @arg UART_FLAG_TC: Transmission Complete flag. + * @arg UART_FLAG_RXNE: Receive data register not empty flag. + * + * @note PE (Parity error), FE (Framing error), NE (Noise error), ORE (Overrun + * error) and IDLE (Idle line detected) flags are cleared by software + * sequence: a read operation to USART_SR register followed by a read + * operation to USART_DR register. + * @note RXNE flag can be also cleared by a read to the USART_DR register. + * @note TC flag can be also cleared by software sequence: a read operation to + * USART_SR register followed by a write operation to USART_DR register. + * @note TXE flag is cleared only by a write to the USART_DR register. + * + * @retval None + */ +#define __HAL_UART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__)) + +/** @brief Clear the UART PE pending flag. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @retval None + */ +#define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \ + do{ \ + __IO uint32_t tmpreg; \ + tmpreg = (__HANDLE__)->Instance->SR; \ + tmpreg = (__HANDLE__)->Instance->DR; \ + UNUSED(tmpreg); \ + } while(0) + +/** @brief Clear the UART FE pending flag. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @retval None + */ +#define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) + +/** @brief Clear the UART NE pending flag. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @retval None + */ +#define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) + +/** @brief Clear the UART ORE pending flag. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @retval None + */ +#define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) + +/** @brief Clear the UART IDLE pending flag. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @retval None + */ +#define __HAL_UART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) + +/** @brief Enable the specified UART interrupt. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @param __INTERRUPT__: specifies the UART interrupt source to enable. + * This parameter can be one of the following values: + * @arg UART_IT_CTS: CTS change interrupt + * @arg UART_IT_LBD: LIN Break detection interrupt + * @arg UART_IT_TXE: Transmit Data Register empty interrupt + * @arg UART_IT_TC: Transmission complete interrupt + * @arg UART_IT_RXNE: Receive Data register not empty interrupt + * @arg UART_IT_IDLE: Idle line detection interrupt + * @arg UART_IT_PE: Parity Error interrupt + * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error) + * @retval None + */ +#define UART_IT_MASK ((uint32_t)0x0000FFFF) +#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \ + (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & UART_IT_MASK)): \ + ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & UART_IT_MASK))) +/** @brief Disable the specified UART interrupt. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @param __INTERRUPT__: specifies the UART interrupt source to disable. + * This parameter can be one of the following values: + * @arg UART_IT_CTS: CTS change interrupt + * @arg UART_IT_LBD: LIN Break detection interrupt + * @arg UART_IT_TXE: Transmit Data Register empty interrupt + * @arg UART_IT_TC: Transmission complete interrupt + * @arg UART_IT_RXNE: Receive Data register not empty interrupt + * @arg UART_IT_IDLE: Idle line detection interrupt + * @arg UART_IT_PE: Parity Error interrupt + * @arg UART_IT_ERR: Error interrupt(Frame error, noise error, overrun error) + * @retval None + */ +#define __HAL_UART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28) == 1)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ + (((__INTERRUPT__) >> 28) == 2)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ + ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK))) + +/** @brief Checks whether the specified UART interrupt has occurred or not. + * @param __HANDLE__: specifies the UART Handle. + * This parameter can be UARTx where x: 1, 2, 3, 4, 5, 6, 7 or 8 to select the USART or + * UART peripheral. + * @param __IT__: specifies the UART interrupt source to check. + * This parameter can be one of the following values: + * @arg UART_IT_CTS: CTS change interrupt (not available for UART4 and UART5) + * @arg UART_IT_LBD: LIN Break detection interrupt + * @arg UART_IT_TXE: Transmit Data Register empty interrupt + * @arg UART_IT_TC: Transmission complete interrupt + * @arg UART_IT_RXNE: Receive Data register not empty interrupt + * @arg UART_IT_IDLE: Idle line detection interrupt + * @arg USART_IT_ERR: Error interrupt + * @retval The new state of __IT__ (TRUE or FALSE). + */ +#define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28) == 1)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28) == 2)? \ + (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK)) + +/** @brief Enable CTS flow control + * This macro allows to enable CTS 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 CTS 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_CTS_ENABLE(__HANDLE__) \ + do{ \ + SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ + (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \ + } while(0) + +/** @brief Disable CTS flow control + * This macro allows to disable CTS 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 CTS 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_CTS_DISABLE(__HANDLE__) \ + do{ \ + CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ + (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \ + } while(0) + +/** @brief Enable RTS flow control + * This macro allows to enable 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_ENABLE(__HANDLE__) \ + do{ \ + SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \ + (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \ + } while(0) + +/** @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__) \ + do{ \ + CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\ + (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \ + } while(0) + +/** @brief macros to enables the UART's one bit sample method + * @param __HANDLE__: specifies the UART Handle. + * @retval None + */ +#define __HAL_UART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3|= USART_CR3_ONEBIT) + +/** @brief macros to disables the UART's one bit sample method + * @param __HANDLE__: specifies the UART Handle. + * @retval None + */ +#define __HAL_UART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT)) + +/** @brief Enable UART + * @param __HANDLE__: specifies the UART Handle. + * @retval None + */ +#define __HAL_UART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) + +/** @brief Disable UART + * @param __HANDLE__: specifies the UART Handle. + * @retval None + */ +#define __HAL_UART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup UART_Exported_Functions + * @{ + */ + +/** @addtogroup UART_Exported_Functions_Group1 + * @{ + */ +/* 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 WakeUpMethod); +HAL_StatusTypeDef HAL_UART_DeInit (UART_HandleTypeDef *huart); +void HAL_UART_MspInit(UART_HandleTypeDef *huart); +void HAL_UART_MspDeInit(UART_HandleTypeDef *huart); +/** + * @} + */ + +/** @addtogroup UART_Exported_Functions_Group2 + * @{ + */ +/* 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); +/** + * @} + */ + +/** @addtogroup UART_Exported_Functions_Group3 + * @{ + */ +/* 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); +/** + * @} + */ + +/** @addtogroup UART_Exported_Functions_Group4 + * @{ + */ +/* Peripheral State functions **************************************************/ +HAL_UART_StateTypeDef HAL_UART_GetState(UART_HandleTypeDef *huart); +uint32_t HAL_UART_GetError(UART_HandleTypeDef *huart); +/** + * @} + */ + +/** + * @} + */ +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/** @defgroup UART_Private_Constants UART Private Constants + * @{ + */ +/** @brief UART interruptions flag mask + * + */ +#define UART_CR1_REG_INDEX 1 +#define UART_CR2_REG_INDEX 2 +#define UART_CR3_REG_INDEX 3 +/** + * @} + */ + +/* Private macros ------------------------------------------------------------*/ +/** @defgroup UART_Private_Macros UART Private Macros + * @{ + */ +#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B) || \ + ((LENGTH) == UART_WORDLENGTH_9B)) +#define IS_UART_LIN_WORD_LENGTH(LENGTH) (((LENGTH) == UART_WORDLENGTH_8B)) +#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_STOPBITS_1) || \ + ((STOPBITS) == UART_STOPBITS_2)) +#define IS_UART_PARITY(PARITY) (((PARITY) == UART_PARITY_NONE) || \ + ((PARITY) == UART_PARITY_EVEN) || \ + ((PARITY) == UART_PARITY_ODD)) +#define IS_UART_HARDWARE_FLOW_CONTROL(CONTROL)\ + (((CONTROL) == UART_HWCONTROL_NONE) || \ + ((CONTROL) == UART_HWCONTROL_RTS) || \ + ((CONTROL) == UART_HWCONTROL_CTS) || \ + ((CONTROL) == UART_HWCONTROL_RTS_CTS)) +#define IS_UART_MODE(MODE) ((((MODE) & (uint32_t)0x0000FFF3) == 0x00) && ((MODE) != (uint32_t)0x000000)) +#define IS_UART_STATE(STATE) (((STATE) == UART_STATE_DISABLE) || \ + ((STATE) == UART_STATE_ENABLE)) +#define IS_UART_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16) || \ + ((SAMPLING) == UART_OVERSAMPLING_8)) +#define IS_UART_LIN_OVERSAMPLING(SAMPLING) (((SAMPLING) == UART_OVERSAMPLING_16)) +#define IS_UART_LIN_BREAK_DETECT_LENGTH(LENGTH) (((LENGTH) == UART_LINBREAKDETECTLENGTH_10B) || \ + ((LENGTH) == UART_LINBREAKDETECTLENGTH_11B)) +#define IS_UART_WAKEUPMETHOD(WAKEUP) (((WAKEUP) == UART_WAKEUPMETHOD_IDLELINE) || \ + ((WAKEUP) == UART_WAKEUPMETHOD_ADDRESSMARK)) +#define IS_UART_BAUDRATE(BAUDRATE) ((BAUDRATE) < 10500001) +#define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0xF) + +#define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25)/(4*(_BAUD_))) +#define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100) +#define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100) +#define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0F)) + +#define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) (((_PCLK_)*25)/(2*(_BAUD_))) +#define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100) +#define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) (((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100)) * 16 + 50) / 100) +#define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4)|(UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x0F)) + +/** + * @} + */ + +/* Private functions ---------------------------------------------------------*/ +/** @defgroup UART_Private_Functions UART Private Functions + * @{ + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F4xx_HAL_UART_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ -- cgit v1.2.3