| /** |
| ****************************************************************************** |
| * @file stm32f4xx_hal_uart.h |
| * @author MCD Application Team |
| * @brief Header file of UART HAL module. |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2016 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| |
| /* 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 |
| * @note HAL UART State value is a combination of 2 different substates: gState and RxState. |
| * - gState contains UART state information related to global Handle management |
| * and also information related to Tx operations. |
| * gState value coding follow below described bitmap : |
| * b7-b6 Error information |
| * 00 : No Error |
| * 01 : (Not Used) |
| * 10 : Timeout |
| * 11 : Error |
| * b5 Peripheral initialization status |
| * 0 : Reset (Peripheral not initialized) |
| * 1 : Init done (Peripheral initialized. HAL UART Init function already called) |
| * b4-b3 (not used) |
| * xx : Should be set to 00 |
| * b2 Intrinsic process state |
| * 0 : Ready |
| * 1 : Busy (Peripheral busy with some configuration or internal operations) |
| * b1 (not used) |
| * x : Should be set to 0 |
| * b0 Tx state |
| * 0 : Ready (no Tx operation ongoing) |
| * 1 : Busy (Tx operation ongoing) |
| * - RxState contains information related to Rx operations. |
| * RxState value coding follow below described bitmap : |
| * b7-b6 (not used) |
| * xx : Should be set to 00 |
| * b5 Peripheral initialization status |
| * 0 : Reset (Peripheral not initialized) |
| * 1 : Init done (Peripheral initialized) |
| * b4-b2 (not used) |
| * xxx : Should be set to 000 |
| * b1 Rx state |
| * 0 : Ready (no Rx operation ongoing) |
| * 1 : Busy (Rx operation ongoing) |
| * b0 (not used) |
| * x : Should be set to 0. |
| */ |
| typedef enum |
| { |
| HAL_UART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized |
| Value is allowed for gState and RxState */ |
| HAL_UART_STATE_READY = 0x20U, /*!< Peripheral Initialized and ready for use |
| Value is allowed for gState and RxState */ |
| HAL_UART_STATE_BUSY = 0x24U, /*!< an internal process is ongoing |
| Value is allowed for gState only */ |
| HAL_UART_STATE_BUSY_TX = 0x21U, /*!< Data Transmission process is ongoing |
| Value is allowed for gState only */ |
| HAL_UART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing |
| Value is allowed for RxState only */ |
| HAL_UART_STATE_BUSY_TX_RX = 0x23U, /*!< Data Transmission and Reception process is ongoing |
| Not to be used for neither gState nor RxState. |
| Value is result of combination (Or) between gState and RxState values */ |
| HAL_UART_STATE_TIMEOUT = 0xA0U, /*!< Timeout state |
| Value is allowed for gState only */ |
| HAL_UART_STATE_ERROR = 0xE0U /*!< Error |
| Value is allowed for gState only */ |
| } HAL_UART_StateTypeDef; |
| |
| /** |
| * @brief HAL UART Reception type definition |
| * @note HAL UART Reception type value aims to identify which type of Reception is ongoing. |
| * This parameter can be a value of @ref UART_Reception_Type_Values : |
| * HAL_UART_RECEPTION_STANDARD = 0x00U, |
| * HAL_UART_RECEPTION_TOIDLE = 0x01U, |
| */ |
| typedef uint32_t HAL_UART_RxTypeTypeDef; |
| |
| /** |
| * @brief HAL UART Rx Event type definition |
| * @note HAL UART Rx Event type value aims to identify which type of Event has occurred |
| * leading to call of the RxEvent callback. |
| * This parameter can be a value of @ref UART_RxEvent_Type_Values : |
| * HAL_UART_RXEVENT_TC = 0x00U, |
| * HAL_UART_RXEVENT_HT = 0x01U, |
| * HAL_UART_RXEVENT_IDLE = 0x02U, |
| */ |
| typedef uint32_t HAL_UART_RxEventTypeTypeDef; |
| |
| /** |
| * @brief UART handle Structure definition |
| */ |
| typedef struct __UART_HandleTypeDef |
| { |
| USART_TypeDef *Instance; /*!< UART registers base address */ |
| |
| UART_InitTypeDef Init; /*!< UART communication parameters */ |
| |
| const uint8_t *pTxBuffPtr; /*!< Pointer to UART Tx transfer Buffer */ |
| |
| uint16_t TxXferSize; /*!< UART Tx Transfer size */ |
| |
| __IO uint16_t TxXferCount; /*!< UART Tx Transfer Counter */ |
| |
| uint8_t *pRxBuffPtr; /*!< Pointer to UART Rx transfer Buffer */ |
| |
| uint16_t RxXferSize; /*!< UART Rx Transfer size */ |
| |
| __IO uint16_t RxXferCount; /*!< UART Rx Transfer Counter */ |
| |
| __IO HAL_UART_RxTypeTypeDef ReceptionType; /*!< Type of ongoing reception */ |
| |
| __IO HAL_UART_RxEventTypeTypeDef RxEventType; /*!< Type of Rx Event */ |
| |
| 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 gState; /*!< UART state information related to global Handle management |
| and also related to Tx operations. |
| This parameter can be a value of @ref HAL_UART_StateTypeDef */ |
| |
| __IO HAL_UART_StateTypeDef RxState; /*!< UART state information related to Rx operations. |
| This parameter can be a value of @ref HAL_UART_StateTypeDef */ |
| |
| __IO uint32_t ErrorCode; /*!< UART Error code */ |
| |
| #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) |
| void (* TxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Half Complete Callback */ |
| void (* TxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Tx Complete Callback */ |
| void (* RxHalfCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Half Complete Callback */ |
| void (* RxCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Rx Complete Callback */ |
| void (* ErrorCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Error Callback */ |
| void (* AbortCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Complete Callback */ |
| void (* AbortTransmitCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Transmit Complete Callback */ |
| void (* AbortReceiveCpltCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Abort Receive Complete Callback */ |
| void (* WakeupCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Wakeup Callback */ |
| void (* RxEventCallback)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< UART Reception Event Callback */ |
| |
| void (* MspInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp Init callback */ |
| void (* MspDeInitCallback)(struct __UART_HandleTypeDef *huart); /*!< UART Msp DeInit callback */ |
| #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ |
| |
| } UART_HandleTypeDef; |
| |
| #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) |
| /** |
| * @brief HAL UART Callback ID enumeration definition |
| */ |
| typedef enum |
| { |
| HAL_UART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< UART Tx Half Complete Callback ID */ |
| HAL_UART_TX_COMPLETE_CB_ID = 0x01U, /*!< UART Tx Complete Callback ID */ |
| HAL_UART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< UART Rx Half Complete Callback ID */ |
| HAL_UART_RX_COMPLETE_CB_ID = 0x03U, /*!< UART Rx Complete Callback ID */ |
| HAL_UART_ERROR_CB_ID = 0x04U, /*!< UART Error Callback ID */ |
| HAL_UART_ABORT_COMPLETE_CB_ID = 0x05U, /*!< UART Abort Complete Callback ID */ |
| HAL_UART_ABORT_TRANSMIT_COMPLETE_CB_ID = 0x06U, /*!< UART Abort Transmit Complete Callback ID */ |
| HAL_UART_ABORT_RECEIVE_COMPLETE_CB_ID = 0x07U, /*!< UART Abort Receive Complete Callback ID */ |
| HAL_UART_WAKEUP_CB_ID = 0x08U, /*!< UART Wakeup Callback ID */ |
| |
| HAL_UART_MSPINIT_CB_ID = 0x0BU, /*!< UART MspInit callback ID */ |
| HAL_UART_MSPDEINIT_CB_ID = 0x0CU /*!< UART MspDeInit callback ID */ |
| |
| } HAL_UART_CallbackIDTypeDef; |
| |
| /** |
| * @brief HAL UART Callback pointer definition |
| */ |
| typedef void (*pUART_CallbackTypeDef)(UART_HandleTypeDef *huart); /*!< pointer to an UART callback function */ |
| typedef void (*pUART_RxEventCallbackTypeDef)(struct __UART_HandleTypeDef *huart, uint16_t Pos); /*!< pointer to a UART Rx Event specific callback function */ |
| |
| #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup UART_Exported_Constants UART Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup UART_Error_Code UART Error Code |
| * @{ |
| */ |
| #define HAL_UART_ERROR_NONE 0x00000000U /*!< No error */ |
| #define HAL_UART_ERROR_PE 0x00000001U /*!< Parity error */ |
| #define HAL_UART_ERROR_NE 0x00000002U /*!< Noise error */ |
| #define HAL_UART_ERROR_FE 0x00000004U /*!< Frame error */ |
| #define HAL_UART_ERROR_ORE 0x00000008U /*!< Overrun error */ |
| #define HAL_UART_ERROR_DMA 0x00000010U /*!< DMA transfer error */ |
| #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) |
| #define HAL_UART_ERROR_INVALID_CALLBACK 0x00000020U /*!< Invalid Callback error */ |
| #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_Word_Length UART Word Length |
| * @{ |
| */ |
| #define UART_WORDLENGTH_8B 0x00000000U |
| #define UART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_Stop_Bits UART Number of Stop Bits |
| * @{ |
| */ |
| #define UART_STOPBITS_1 0x00000000U |
| #define UART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_Parity UART Parity |
| * @{ |
| */ |
| #define UART_PARITY_NONE 0x00000000U |
| #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 0x00000000U |
| #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 0x00000000U |
| #define UART_STATE_ENABLE ((uint32_t)USART_CR1_UE) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_Over_Sampling UART Over Sampling |
| * @{ |
| */ |
| #define UART_OVERSAMPLING_16 0x00000000U |
| #define UART_OVERSAMPLING_8 ((uint32_t)USART_CR1_OVER8) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_LIN_Break_Detection_Length UART LIN Break Detection Length |
| * @{ |
| */ |
| #define UART_LINBREAKDETECTLENGTH_10B 0x00000000U |
| #define UART_LINBREAKDETECTLENGTH_11B ((uint32_t)USART_CR2_LBDL) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_WakeUp_functions UART Wakeup Functions |
| * @{ |
| */ |
| #define UART_WAKEUPMETHOD_IDLELINE 0x00000000U |
| #define UART_WAKEUPMETHOD_ADDRESSMARK ((uint32_t)USART_CR1_WAKE) |
| /** |
| * @} |
| */ |
| |
| /** @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 << 28U | USART_CR1_PEIE)) |
| #define UART_IT_TXE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE)) |
| #define UART_IT_TC ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_TCIE)) |
| #define UART_IT_RXNE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE)) |
| #define UART_IT_IDLE ((uint32_t)(UART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE)) |
| |
| #define UART_IT_LBD ((uint32_t)(UART_CR2_REG_INDEX << 28U | USART_CR2_LBDIE)) |
| |
| #define UART_IT_CTS ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_CTSIE)) |
| #define UART_IT_ERR ((uint32_t)(UART_CR3_REG_INDEX << 28U | USART_CR3_EIE)) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_Reception_Type_Values UART Reception type values |
| * @{ |
| */ |
| #define HAL_UART_RECEPTION_STANDARD (0x00000000U) /*!< Standard reception */ |
| #define HAL_UART_RECEPTION_TOIDLE (0x00000001U) /*!< Reception till completion or IDLE event */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup UART_RxEvent_Type_Values UART RxEvent type values |
| * @{ |
| */ |
| #define HAL_UART_RXEVENT_TC (0x00000000U) /*!< RxEvent linked to Transfer Complete event */ |
| #define HAL_UART_RXEVENT_HT (0x00000001U) /*!< RxEvent linked to Half Transfer event */ |
| #define HAL_UART_RXEVENT_IDLE (0x00000002U) |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macro ------------------------------------------------------------*/ |
| /** @defgroup UART_Exported_Macros UART Exported Macros |
| * @{ |
| */ |
| |
| /** @brief Reset UART handle gstate & RxState |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @retval None |
| */ |
| #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) |
| #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \ |
| (__HANDLE__)->gState = HAL_UART_STATE_RESET; \ |
| (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \ |
| (__HANDLE__)->MspInitCallback = NULL; \ |
| (__HANDLE__)->MspDeInitCallback = NULL; \ |
| } while(0U) |
| #else |
| #define __HAL_UART_RESET_HANDLE_STATE(__HANDLE__) do{ \ |
| (__HANDLE__)->gState = HAL_UART_STATE_RESET; \ |
| (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \ |
| } while(0U) |
| #endif /*USE_HAL_UART_REGISTER_CALLBACKS */ |
| |
| /** @brief Flushes the UART DR register |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| */ |
| #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. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @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. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @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 Clears the UART PE pending flag. |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_CLEAR_PEFLAG(__HANDLE__) \ |
| do{ \ |
| __IO uint32_t tmpreg = 0x00U; \ |
| tmpreg = (__HANDLE__)->Instance->SR; \ |
| tmpreg = (__HANDLE__)->Instance->DR; \ |
| UNUSED(tmpreg); \ |
| } while(0U) |
| |
| /** @brief Clears the UART FE pending flag. |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_CLEAR_FEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Clears the UART NE pending flag. |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_CLEAR_NEFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Clears the UART ORE pending flag. |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_CLEAR_OREFLAG(__HANDLE__) __HAL_UART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Clears the UART IDLE pending flag. |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @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. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @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 __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \ |
| (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__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. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @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__) >> 28U) == UART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ |
| (((__INTERRUPT__) >> 28U) == UART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & UART_IT_MASK)): \ |
| ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & UART_IT_MASK))) |
| |
| /** @brief Checks whether the specified UART interrupt source is enabled or not. |
| * @param __HANDLE__ specifies the UART Handle. |
| * UART Handle selects the USARTx or UARTy peripheral |
| * (USART,UART availability and x,y values depending on device). |
| * @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 UART_IT_ERR: Error interrupt |
| * @retval The new state of __IT__ (TRUE or FALSE). |
| */ |
| #define __HAL_UART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == UART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == UART_CR2_REG_INDEX)? \ |
| (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & UART_IT_MASK)) |
| |
| /** @brief Enable CTS flow control |
| * @note 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 any USARTx (supporting the HW Flow control feature). |
| * It is used to select the USART peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_HWCONTROL_CTS_ENABLE(__HANDLE__) \ |
| do{ \ |
| ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ |
| (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_CTSE; \ |
| } while(0U) |
| |
| /** @brief Disable CTS flow control |
| * @note 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 any USARTx (supporting the HW Flow control feature). |
| * It is used to select the USART peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_HWCONTROL_CTS_DISABLE(__HANDLE__) \ |
| do{ \ |
| ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_CTSE); \ |
| (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_CTSE); \ |
| } while(0U) |
| |
| /** @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 any USARTx (supporting the HW Flow control feature). |
| * It is used to select the USART peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_HWCONTROL_RTS_ENABLE(__HANDLE__) \ |
| do{ \ |
| ATOMIC_SET_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE); \ |
| (__HANDLE__)->Init.HwFlowCtl |= USART_CR3_RTSE; \ |
| } while(0U) |
| |
| /** @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 any USARTx (supporting the HW Flow control feature). |
| * It is used to select the USART peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_UART_HWCONTROL_RTS_DISABLE(__HANDLE__) \ |
| do{ \ |
| ATOMIC_CLEAR_BIT((__HANDLE__)->Instance->CR3, USART_CR3_RTSE);\ |
| (__HANDLE__)->Init.HwFlowCtl &= ~(USART_CR3_RTSE); \ |
| } while(0U) |
| |
| /** @brief Macro to enable 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 Macro to disable 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 and de-initialization 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 WakeUpMethod); |
| HAL_StatusTypeDef HAL_UART_DeInit(UART_HandleTypeDef *huart); |
| void HAL_UART_MspInit(UART_HandleTypeDef *huart); |
| void HAL_UART_MspDeInit(UART_HandleTypeDef *huart); |
| |
| /* Callbacks Register/UnRegister functions ***********************************/ |
| #if (USE_HAL_UART_REGISTER_CALLBACKS == 1) |
| HAL_StatusTypeDef HAL_UART_RegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID, |
| pUART_CallbackTypeDef pCallback); |
| HAL_StatusTypeDef HAL_UART_UnRegisterCallback(UART_HandleTypeDef *huart, HAL_UART_CallbackIDTypeDef CallbackID); |
| |
| HAL_StatusTypeDef HAL_UART_RegisterRxEventCallback(UART_HandleTypeDef *huart, pUART_RxEventCallbackTypeDef pCallback); |
| HAL_StatusTypeDef HAL_UART_UnRegisterRxEventCallback(UART_HandleTypeDef *huart); |
| #endif /* USE_HAL_UART_REGISTER_CALLBACKS */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup UART_Exported_Functions_Group2 IO operation functions |
| * @{ |
| */ |
| |
| /* IO operation functions *******************************************************/ |
| HAL_StatusTypeDef HAL_UART_Transmit(UART_HandleTypeDef *huart, const 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, const 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, const 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); |
| |
| HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size, uint16_t *RxLen, |
| uint32_t Timeout); |
| HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); |
| HAL_StatusTypeDef HAL_UARTEx_ReceiveToIdle_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); |
| |
| HAL_UART_RxEventTypeTypeDef HAL_UARTEx_GetRxEventType(UART_HandleTypeDef *huart); |
| |
| /* Transfer Abort functions */ |
| HAL_StatusTypeDef HAL_UART_Abort(UART_HandleTypeDef *huart); |
| HAL_StatusTypeDef HAL_UART_AbortTransmit(UART_HandleTypeDef *huart); |
| HAL_StatusTypeDef HAL_UART_AbortReceive(UART_HandleTypeDef *huart); |
| HAL_StatusTypeDef HAL_UART_Abort_IT(UART_HandleTypeDef *huart); |
| HAL_StatusTypeDef HAL_UART_AbortTransmit_IT(UART_HandleTypeDef *huart); |
| HAL_StatusTypeDef HAL_UART_AbortReceive_IT(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); |
| void HAL_UART_AbortCpltCallback(UART_HandleTypeDef *huart); |
| void HAL_UART_AbortTransmitCpltCallback(UART_HandleTypeDef *huart); |
| void HAL_UART_AbortReceiveCpltCallback(UART_HandleTypeDef *huart); |
| |
| void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size); |
| |
| /** |
| * @} |
| */ |
| |
| /** @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(const UART_HandleTypeDef *huart); |
| uint32_t HAL_UART_GetError(const UART_HandleTypeDef *huart); |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /** @defgroup UART_Private_Constants UART Private Constants |
| * @{ |
| */ |
| /** @brief UART interruptions flag mask |
| * |
| */ |
| #define UART_IT_MASK 0x0000FFFFU |
| |
| #define UART_CR1_REG_INDEX 1U |
| #define UART_CR2_REG_INDEX 2U |
| #define UART_CR3_REG_INDEX 3U |
| /** |
| * @} |
| */ |
| |
| /* 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) & 0x0000FFF3U) == 0x00U) && ((MODE) != 0x00U)) |
| #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) <= 10500000U) |
| #define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU) |
| |
| #define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) ((uint32_t)((((uint64_t)(_PCLK_))*25U)/(4U*((uint64_t)(_BAUD_))))) |
| #define UART_DIVMANT_SAMPLING16(_PCLK_, _BAUD_) (UART_DIV_SAMPLING16((_PCLK_), (_BAUD_))/100U) |
| #define UART_DIVFRAQ_SAMPLING16(_PCLK_, _BAUD_) ((((UART_DIV_SAMPLING16((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) * 100U)) * 16U)\ |
| + 50U) / 100U) |
| /* UART BRR = mantissa + overflow + fraction |
| = (UART DIVMANT << 4) + (UART DIVFRAQ & 0xF0) + (UART DIVFRAQ & 0x0FU) */ |
| #define UART_BRR_SAMPLING16(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING16((_PCLK_), (_BAUD_)) << 4U) + \ |
| (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0xF0U) + \ |
| (UART_DIVFRAQ_SAMPLING16((_PCLK_), (_BAUD_)) & 0x0FU)) |
| |
| #define UART_DIV_SAMPLING8(_PCLK_, _BAUD_) ((uint32_t)((((uint64_t)(_PCLK_))*25U)/(2U*((uint64_t)(_BAUD_))))) |
| #define UART_DIVMANT_SAMPLING8(_PCLK_, _BAUD_) (UART_DIV_SAMPLING8((_PCLK_), (_BAUD_))/100U) |
| #define UART_DIVFRAQ_SAMPLING8(_PCLK_, _BAUD_) ((((UART_DIV_SAMPLING8((_PCLK_), (_BAUD_)) - (UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) * 100U)) * 8U)\ |
| + 50U) / 100U) |
| /* UART BRR = mantissa + overflow + fraction |
| = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */ |
| #define UART_BRR_SAMPLING8(_PCLK_, _BAUD_) ((UART_DIVMANT_SAMPLING8((_PCLK_), (_BAUD_)) << 4U) + \ |
| ((UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0xF8U) << 1U) + \ |
| (UART_DIVFRAQ_SAMPLING8((_PCLK_), (_BAUD_)) & 0x07U)) |
| |
| /** |
| * @} |
| */ |
| |
| /* Private functions ---------------------------------------------------------*/ |
| /** @defgroup UART_Private_Functions UART Private Functions |
| * @{ |
| */ |
| |
| HAL_StatusTypeDef UART_Start_Receive_IT(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); |
| HAL_StatusTypeDef UART_Start_Receive_DMA(UART_HandleTypeDef *huart, uint8_t *pData, uint16_t Size); |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __STM32F4xx_HAL_UART_H */ |
| |
