| /** |
| ****************************************************************************** |
| * @file stm32l1xx_hal_usart.h |
| * @author MCD Application Team |
| * @brief Header file of USART 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 __STM32L1xx_HAL_USART_H |
| #define __STM32L1xx_HAL_USART_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l1xx_hal_def.h" |
| |
| /** @addtogroup STM32L1xx_HAL_Driver |
| * @{ |
| */ |
| |
| /** @addtogroup USART |
| * @{ |
| */ |
| |
| /* Exported types ------------------------------------------------------------*/ |
| /** @defgroup USART_Exported_Types USART Exported Types |
| * @{ |
| */ |
| |
| /** |
| * @brief USART Init Structure definition |
| */ |
| typedef struct |
| { |
| uint32_t BaudRate; /*!< This member configures the Usart communication baud rate. |
| The baud rate is computed using the following formula: |
| - IntegerDivider = ((PCLKx) / (8 * (husart->Init.BaudRate))) |
| - FractionalDivider = ((IntegerDivider - ((uint32_t) IntegerDivider)) * 8) + 0.5 */ |
| |
| uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. |
| This parameter can be a value of @ref USART_Word_Length */ |
| |
| uint32_t StopBits; /*!< Specifies the number of stop bits transmitted. |
| This parameter can be a value of @ref USART_Stop_Bits */ |
| |
| uint32_t Parity; /*!< Specifies the parity mode. |
| This parameter can be a value of @ref USART_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 USART_Mode */ |
| |
| uint32_t CLKPolarity; /*!< Specifies the steady state of the serial clock. |
| This parameter can be a value of @ref USART_Clock_Polarity */ |
| |
| uint32_t CLKPhase; /*!< Specifies the clock transition on which the bit capture is made. |
| This parameter can be a value of @ref USART_Clock_Phase */ |
| |
| uint32_t CLKLastBit; /*!< Specifies whether the clock pulse corresponding to the last transmitted |
| data bit (MSB) has to be output on the SCLK pin in synchronous mode. |
| This parameter can be a value of @ref USART_Last_Bit */ |
| } USART_InitTypeDef; |
| |
| /** |
| * @brief HAL State structures definition |
| */ |
| typedef enum |
| { |
| HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not yet Initialized */ |
| HAL_USART_STATE_READY = 0x01U, /*!< Peripheral Initialized and ready for use */ |
| HAL_USART_STATE_BUSY = 0x02U, /*!< an internal process is ongoing */ |
| HAL_USART_STATE_BUSY_TX = 0x12U, /*!< Data Transmission process is ongoing */ |
| HAL_USART_STATE_BUSY_RX = 0x22U, /*!< Data Reception process is ongoing */ |
| HAL_USART_STATE_BUSY_TX_RX = 0x32U, /*!< Data Transmission Reception process is ongoing */ |
| HAL_USART_STATE_TIMEOUT = 0x03U, /*!< Timeout state */ |
| HAL_USART_STATE_ERROR = 0x04U /*!< Error */ |
| } HAL_USART_StateTypeDef; |
| |
| /** |
| * @brief USART handle Structure definition |
| */ |
| typedef struct __USART_HandleTypeDef |
| { |
| USART_TypeDef *Instance; /*!< USART registers base address */ |
| |
| USART_InitTypeDef Init; /*!< Usart communication parameters */ |
| |
| const uint8_t *pTxBuffPtr; /*!< Pointer to Usart Tx transfer Buffer */ |
| |
| uint16_t TxXferSize; /*!< Usart Tx Transfer size */ |
| |
| __IO uint16_t TxXferCount; /*!< Usart Tx Transfer Counter */ |
| |
| uint8_t *pRxBuffPtr; /*!< Pointer to Usart Rx transfer Buffer */ |
| |
| uint16_t RxXferSize; /*!< Usart Rx Transfer size */ |
| |
| __IO uint16_t RxXferCount; /*!< Usart Rx Transfer Counter */ |
| |
| DMA_HandleTypeDef *hdmatx; /*!< Usart Tx DMA Handle parameters */ |
| |
| DMA_HandleTypeDef *hdmarx; /*!< Usart Rx DMA Handle parameters */ |
| |
| HAL_LockTypeDef Lock; /*!< Locking object */ |
| |
| __IO HAL_USART_StateTypeDef State; /*!< Usart communication state */ |
| |
| __IO uint32_t ErrorCode; /*!< USART Error code */ |
| |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| void (* TxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Half Complete Callback */ |
| void (* TxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Complete Callback */ |
| void (* RxHalfCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Half Complete Callback */ |
| void (* RxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Rx Complete Callback */ |
| void (* TxRxCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Tx Rx Complete Callback */ |
| void (* ErrorCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Error Callback */ |
| void (* AbortCpltCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Abort Complete Callback */ |
| |
| void (* MspInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp Init callback */ |
| void (* MspDeInitCallback)(struct __USART_HandleTypeDef *husart); /*!< USART Msp DeInit callback */ |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| } USART_HandleTypeDef; |
| |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| /** |
| * @brief HAL USART Callback ID enumeration definition |
| */ |
| typedef enum |
| { |
| HAL_USART_TX_HALFCOMPLETE_CB_ID = 0x00U, /*!< USART Tx Half Complete Callback ID */ |
| HAL_USART_TX_COMPLETE_CB_ID = 0x01U, /*!< USART Tx Complete Callback ID */ |
| HAL_USART_RX_HALFCOMPLETE_CB_ID = 0x02U, /*!< USART Rx Half Complete Callback ID */ |
| HAL_USART_RX_COMPLETE_CB_ID = 0x03U, /*!< USART Rx Complete Callback ID */ |
| HAL_USART_TX_RX_COMPLETE_CB_ID = 0x04U, /*!< USART Tx Rx Complete Callback ID */ |
| HAL_USART_ERROR_CB_ID = 0x05U, /*!< USART Error Callback ID */ |
| HAL_USART_ABORT_COMPLETE_CB_ID = 0x06U, /*!< USART Abort Complete Callback ID */ |
| |
| HAL_USART_MSPINIT_CB_ID = 0x07U, /*!< USART MspInit callback ID */ |
| HAL_USART_MSPDEINIT_CB_ID = 0x08U /*!< USART MspDeInit callback ID */ |
| |
| } HAL_USART_CallbackIDTypeDef; |
| |
| /** |
| * @brief HAL USART Callback pointer definition |
| */ |
| typedef void (*pUSART_CallbackTypeDef)(USART_HandleTypeDef *husart); /*!< pointer to an USART callback function */ |
| |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported constants --------------------------------------------------------*/ |
| /** @defgroup USART_Exported_Constants USART Exported Constants |
| * @{ |
| */ |
| |
| /** @defgroup USART_Error_Code USART Error Code |
| * @brief USART Error Code |
| * @{ |
| */ |
| #define HAL_USART_ERROR_NONE 0x00000000U /*!< No error */ |
| #define HAL_USART_ERROR_PE 0x00000001U /*!< Parity error */ |
| #define HAL_USART_ERROR_NE 0x00000002U /*!< Noise error */ |
| #define HAL_USART_ERROR_FE 0x00000004U /*!< Frame error */ |
| #define HAL_USART_ERROR_ORE 0x00000008U /*!< Overrun error */ |
| #define HAL_USART_ERROR_DMA 0x00000010U /*!< DMA transfer error */ |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| #define HAL_USART_ERROR_INVALID_CALLBACK 0x00000020U /*!< Invalid Callback error */ |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Word_Length USART Word Length |
| * @{ |
| */ |
| #define USART_WORDLENGTH_8B 0x00000000U |
| #define USART_WORDLENGTH_9B ((uint32_t)USART_CR1_M) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Stop_Bits USART Number of Stop Bits |
| * @{ |
| */ |
| #define USART_STOPBITS_1 0x00000000U |
| #define USART_STOPBITS_0_5 ((uint32_t)USART_CR2_STOP_0) |
| #define USART_STOPBITS_2 ((uint32_t)USART_CR2_STOP_1) |
| #define USART_STOPBITS_1_5 ((uint32_t)(USART_CR2_STOP_0 | USART_CR2_STOP_1)) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Parity USART Parity |
| * @{ |
| */ |
| #define USART_PARITY_NONE 0x00000000U |
| #define USART_PARITY_EVEN ((uint32_t)USART_CR1_PCE) |
| #define USART_PARITY_ODD ((uint32_t)(USART_CR1_PCE | USART_CR1_PS)) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Mode USART Mode |
| * @{ |
| */ |
| #define USART_MODE_RX ((uint32_t)USART_CR1_RE) |
| #define USART_MODE_TX ((uint32_t)USART_CR1_TE) |
| #define USART_MODE_TX_RX ((uint32_t)(USART_CR1_TE | USART_CR1_RE)) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Clock USART Clock |
| * @{ |
| */ |
| #define USART_CLOCK_DISABLE 0x00000000U |
| #define USART_CLOCK_ENABLE ((uint32_t)USART_CR2_CLKEN) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Clock_Polarity USART Clock Polarity |
| * @{ |
| */ |
| #define USART_POLARITY_LOW 0x00000000U |
| #define USART_POLARITY_HIGH ((uint32_t)USART_CR2_CPOL) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Clock_Phase USART Clock Phase |
| * @{ |
| */ |
| #define USART_PHASE_1EDGE 0x00000000U |
| #define USART_PHASE_2EDGE ((uint32_t)USART_CR2_CPHA) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Last_Bit USART Last Bit |
| * @{ |
| */ |
| #define USART_LASTBIT_DISABLE 0x00000000U |
| #define USART_LASTBIT_ENABLE ((uint32_t)USART_CR2_LBCL) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_NACK_State USART NACK State |
| * @{ |
| */ |
| #define USART_NACK_ENABLE ((uint32_t)USART_CR3_NACK) |
| #define USART_NACK_DISABLE 0x00000000U |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Flags USART Flags |
| * Elements values convention: 0xXXXX |
| * - 0xXXXX : Flag mask in the SR register |
| * @{ |
| */ |
| #define USART_FLAG_TXE ((uint32_t)USART_SR_TXE) |
| #define USART_FLAG_TC ((uint32_t)USART_SR_TC) |
| #define USART_FLAG_RXNE ((uint32_t)USART_SR_RXNE) |
| #define USART_FLAG_IDLE ((uint32_t)USART_SR_IDLE) |
| #define USART_FLAG_ORE ((uint32_t)USART_SR_ORE) |
| #define USART_FLAG_NE ((uint32_t)USART_SR_NE) |
| #define USART_FLAG_FE ((uint32_t)USART_SR_FE) |
| #define USART_FLAG_PE ((uint32_t)USART_SR_PE) |
| /** |
| * @} |
| */ |
| |
| /** @defgroup USART_Interrupt_definition USART Interrupts 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 USART_IT_PE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_PEIE)) |
| #define USART_IT_TXE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TXEIE)) |
| #define USART_IT_TC ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_TCIE)) |
| #define USART_IT_RXNE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_RXNEIE)) |
| #define USART_IT_IDLE ((uint32_t)(USART_CR1_REG_INDEX << 28U | USART_CR1_IDLEIE)) |
| #define USART_IT_ERR ((uint32_t)(USART_CR3_REG_INDEX << 28U | USART_CR3_EIE)) |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /* Exported macro ------------------------------------------------------------*/ |
| /** @defgroup USART_Exported_Macros USART Exported Macros |
| * @{ |
| */ |
| |
| /** @brief Reset USART handle state |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) do{ \ |
| (__HANDLE__)->State = HAL_USART_STATE_RESET; \ |
| (__HANDLE__)->MspInitCallback = NULL; \ |
| (__HANDLE__)->MspDeInitCallback = NULL; \ |
| } while(0U) |
| #else |
| #define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| /** @brief Check whether the specified USART flag is set or not. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @param __FLAG__ specifies the flag to check. |
| * This parameter can be one of the following values: |
| * @arg USART_FLAG_TXE: Transmit data register empty flag |
| * @arg USART_FLAG_TC: Transmission Complete flag |
| * @arg USART_FLAG_RXNE: Receive data register not empty flag |
| * @arg USART_FLAG_IDLE: Idle Line detection flag |
| * @arg USART_FLAG_ORE: Overrun Error flag |
| * @arg USART_FLAG_NE: Noise Error flag |
| * @arg USART_FLAG_FE: Framing Error flag |
| * @arg USART_FLAG_PE: Parity Error flag |
| * @retval The new state of __FLAG__ (TRUE or FALSE). |
| */ |
| #define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) |
| |
| /** @brief Clear the specified USART pending flags. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @param __FLAG__ specifies the flag to check. |
| * This parameter can be any combination of the following values: |
| * @arg USART_FLAG_TC: Transmission Complete flag. |
| * @arg USART_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_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__)) |
| |
| /** @brief Clear the USART PE pending flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) \ |
| do{ \ |
| __IO uint32_t tmpreg = 0x00U; \ |
| tmpreg = (__HANDLE__)->Instance->SR; \ |
| tmpreg = (__HANDLE__)->Instance->DR; \ |
| UNUSED(tmpreg); \ |
| } while(0U) |
| |
| /** @brief Clear the USART FE pending flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Clear the USART NE pending flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Clear the USART ORE pending flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Clear the USART IDLE pending flag. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_PEFLAG(__HANDLE__) |
| |
| /** @brief Enables or disables the specified USART interrupts. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @param __INTERRUPT__ specifies the USART interrupt source to check. |
| * This parameter can be one of the following values: |
| * @arg USART_IT_TXE: Transmit Data Register empty interrupt |
| * @arg USART_IT_TC: Transmission complete interrupt |
| * @arg USART_IT_RXNE: Receive Data register not empty interrupt |
| * @arg USART_IT_IDLE: Idle line detection interrupt |
| * @arg USART_IT_PE: Parity Error interrupt |
| * @arg USART_IT_ERR: Error interrupt(Frame error, noise error, overrun error) |
| * @retval None |
| */ |
| #define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & USART_IT_MASK)): \ |
| (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 |= ((__INTERRUPT__) & USART_IT_MASK)): \ |
| ((__HANDLE__)->Instance->CR3 |= ((__INTERRUPT__) & USART_IT_MASK))) |
| #define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == USART_CR1_REG_INDEX)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & USART_IT_MASK)): \ |
| (((__INTERRUPT__) >> 28U) == USART_CR2_REG_INDEX)? ((__HANDLE__)->Instance->CR2 &= ~((__INTERRUPT__) & USART_IT_MASK)): \ |
| ((__HANDLE__)->Instance->CR3 &= ~ ((__INTERRUPT__) & USART_IT_MASK))) |
| |
| /** @brief Checks whether the specified USART interrupt has occurred or not. |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @param __IT__ specifies the USART interrupt source to check. |
| * This parameter can be one of the following values: |
| * @arg USART_IT_TXE: Transmit Data Register empty interrupt |
| * @arg USART_IT_TC: Transmission complete interrupt |
| * @arg USART_IT_RXNE: Receive Data register not empty interrupt |
| * @arg USART_IT_IDLE: Idle line detection interrupt |
| * @arg USART_IT_ERR: Error interrupt |
| * @arg USART_IT_PE: Parity Error interrupt |
| * @retval The new state of __IT__ (TRUE or FALSE). |
| */ |
| #define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __IT__) (((((__IT__) >> 28U) == USART_CR1_REG_INDEX)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == USART_CR2_REG_INDEX)? \ |
| (__HANDLE__)->Instance->CR2 : (__HANDLE__)->Instance->CR3)) & (((uint32_t)(__IT__)) & USART_IT_MASK)) |
| |
| /** @brief Macro to enable the USART's one bit sample method |
| * @param __HANDLE__ specifies the USART Handle. |
| * @retval None |
| */ |
| #define __HAL_USART_ONE_BIT_SAMPLE_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 |= USART_CR3_ONEBIT) |
| |
| /** @brief Macro to disable the USART's one bit sample method |
| * @param __HANDLE__ specifies the USART Handle. |
| * @retval None |
| */ |
| #define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3\ |
| &= (uint16_t)~((uint16_t)USART_CR3_ONEBIT)) |
| |
| /** @brief Enable USART |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) |
| |
| /** @brief Disable USART |
| * @param __HANDLE__ specifies the USART Handle. |
| * USART Handle selects the USARTx peripheral (USART availability and x value depending on device). |
| * @retval None |
| */ |
| #define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) |
| |
| /** |
| * @} |
| */ |
| /* Exported functions --------------------------------------------------------*/ |
| /** @addtogroup USART_Exported_Functions |
| * @{ |
| */ |
| |
| /** @addtogroup USART_Exported_Functions_Group1 |
| * @{ |
| */ |
| /* Initialization/de-initialization functions **********************************/ |
| HAL_StatusTypeDef HAL_USART_Init(USART_HandleTypeDef *husart); |
| HAL_StatusTypeDef HAL_USART_DeInit(USART_HandleTypeDef *husart); |
| void HAL_USART_MspInit(USART_HandleTypeDef *husart); |
| void HAL_USART_MspDeInit(USART_HandleTypeDef *husart); |
| |
| /* Callbacks Register/UnRegister functions ***********************************/ |
| #if (USE_HAL_USART_REGISTER_CALLBACKS == 1) |
| HAL_StatusTypeDef HAL_USART_RegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID, |
| pUSART_CallbackTypeDef pCallback); |
| HAL_StatusTypeDef HAL_USART_UnRegisterCallback(USART_HandleTypeDef *husart, HAL_USART_CallbackIDTypeDef CallbackID); |
| #endif /* USE_HAL_USART_REGISTER_CALLBACKS */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup USART_Exported_Functions_Group2 |
| * @{ |
| */ |
| /* IO operation functions *******************************************************/ |
| HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size, uint32_t Timeout); |
| HAL_StatusTypeDef HAL_USART_Receive(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); |
| HAL_StatusTypeDef HAL_USART_TransmitReceive(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size, uint32_t Timeout); |
| HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_Receive_IT(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_TransmitReceive_IT(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_Receive_DMA(USART_HandleTypeDef *husart, uint8_t *pRxData, uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_TransmitReceive_DMA(USART_HandleTypeDef *husart, const uint8_t *pTxData, uint8_t *pRxData, |
| uint16_t Size); |
| HAL_StatusTypeDef HAL_USART_DMAPause(USART_HandleTypeDef *husart); |
| HAL_StatusTypeDef HAL_USART_DMAResume(USART_HandleTypeDef *husart); |
| HAL_StatusTypeDef HAL_USART_DMAStop(USART_HandleTypeDef *husart); |
| /* Transfer Abort functions */ |
| HAL_StatusTypeDef HAL_USART_Abort(USART_HandleTypeDef *husart); |
| HAL_StatusTypeDef HAL_USART_Abort_IT(USART_HandleTypeDef *husart); |
| |
| void HAL_USART_IRQHandler(USART_HandleTypeDef *husart); |
| void HAL_USART_TxCpltCallback(USART_HandleTypeDef *husart); |
| void HAL_USART_TxHalfCpltCallback(USART_HandleTypeDef *husart); |
| void HAL_USART_RxCpltCallback(USART_HandleTypeDef *husart); |
| void HAL_USART_RxHalfCpltCallback(USART_HandleTypeDef *husart); |
| void HAL_USART_TxRxCpltCallback(USART_HandleTypeDef *husart); |
| void HAL_USART_ErrorCallback(USART_HandleTypeDef *husart); |
| void HAL_USART_AbortCpltCallback(USART_HandleTypeDef *husart); |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup USART_Exported_Functions_Group3 |
| * @{ |
| */ |
| /* Peripheral State functions ************************************************/ |
| HAL_USART_StateTypeDef HAL_USART_GetState(const USART_HandleTypeDef *husart); |
| uint32_t HAL_USART_GetError(const USART_HandleTypeDef *husart); |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /** @defgroup USART_Private_Constants USART Private Constants |
| * @{ |
| */ |
| /** @brief USART interruptions flag mask |
| * |
| */ |
| #define USART_IT_MASK ((uint32_t) USART_CR1_PEIE | USART_CR1_TXEIE | USART_CR1_TCIE | USART_CR1_RXNEIE | \ |
| USART_CR1_IDLEIE | USART_CR2_LBDIE | USART_CR3_CTSIE | USART_CR3_EIE ) |
| |
| #define USART_CR1_REG_INDEX 1U |
| #define USART_CR2_REG_INDEX 2U |
| #define USART_CR3_REG_INDEX 3U |
| /** |
| * @} |
| */ |
| |
| /* Private macros ------------------------------------------------------------*/ |
| /** @defgroup USART_Private_Macros USART Private Macros |
| * @{ |
| */ |
| #define IS_USART_NACK_STATE(NACK) (((NACK) == USART_NACK_ENABLE) || \ |
| ((NACK) == USART_NACK_DISABLE)) |
| |
| #define IS_USART_LASTBIT(LASTBIT) (((LASTBIT) == USART_LASTBIT_DISABLE) || \ |
| ((LASTBIT) == USART_LASTBIT_ENABLE)) |
| |
| #define IS_USART_PHASE(CPHA) (((CPHA) == USART_PHASE_1EDGE) || \ |
| ((CPHA) == USART_PHASE_2EDGE)) |
| |
| #define IS_USART_POLARITY(CPOL) (((CPOL) == USART_POLARITY_LOW) || \ |
| ((CPOL) == USART_POLARITY_HIGH)) |
| |
| #define IS_USART_CLOCK(CLOCK) (((CLOCK) == USART_CLOCK_DISABLE) || \ |
| ((CLOCK) == USART_CLOCK_ENABLE)) |
| |
| #define IS_USART_WORD_LENGTH(LENGTH) (((LENGTH) == USART_WORDLENGTH_8B) || \ |
| ((LENGTH) == USART_WORDLENGTH_9B)) |
| |
| #define IS_USART_STOPBITS(STOPBITS) (((STOPBITS) == USART_STOPBITS_1) || \ |
| ((STOPBITS) == USART_STOPBITS_0_5) || \ |
| ((STOPBITS) == USART_STOPBITS_1_5) || \ |
| ((STOPBITS) == USART_STOPBITS_2)) |
| |
| #define IS_USART_PARITY(PARITY) (((PARITY) == USART_PARITY_NONE) || \ |
| ((PARITY) == USART_PARITY_EVEN) || \ |
| ((PARITY) == USART_PARITY_ODD)) |
| |
| #define IS_USART_MODE(MODE) ((((MODE) & (~((uint32_t)USART_MODE_TX_RX))) == 0x00U) && ((MODE) != 0x00U)) |
| |
| #define IS_USART_BAUDRATE(BAUDRATE) ((BAUDRATE) <= 4000000U) |
| |
| #define USART_DIV(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(2U*(_BAUD_))) |
| |
| #define USART_DIVMANT(_PCLK_, _BAUD_) (USART_DIV((_PCLK_), (_BAUD_))/100U) |
| |
| #define USART_DIVFRAQ(_PCLK_, _BAUD_) ((((USART_DIV((_PCLK_), (_BAUD_)) - (USART_DIVMANT((_PCLK_), (_BAUD_)) * 100U)) * 8U) + 50U) / 100U) |
| |
| /* UART BRR = mantissa + overflow + fraction |
| = (UART DIVMANT << 4) + ((UART DIVFRAQ & 0xF8) << 1) + (UART DIVFRAQ & 0x07U) */ |
| |
| #define USART_BRR(_PCLK_, _BAUD_) (((USART_DIVMANT((_PCLK_), (_BAUD_)) << 4U) + \ |
| ((USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0xF8U) << 1U)) + \ |
| (USART_DIVFRAQ((_PCLK_), (_BAUD_)) & 0x07U)) |
| /** |
| * @} |
| */ |
| |
| /* Private functions ---------------------------------------------------------*/ |
| /** @addtogroup USART_Private_Functions |
| * @{ |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* __STM32L1xx_HAL_USART_H */ |
| |
