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Diff: TARGET_NUCLEO_F412ZG/TOOLCHAIN_ARM_MICRO/stm32f4xx_hal_uart.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 163:e59c8e839560
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/TARGET_NUCLEO_F412ZG/TOOLCHAIN_ARM_MICRO/stm32f4xx_hal_uart.h Thu Nov 08 11:45:42 2018 +0000
@@ -0,0 +1,792 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_hal_uart.h
+ * @author MCD Application Team
+ * @brief Header file of UART HAL module.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+ *
+ * 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
+ * @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 IP initilisation status
+ * 0 : Reset (IP not initialized)
+ * 1 : Init done (IP not 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 (IP 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 IP initilisation status
+ * 0 : Reset (IP not initialized)
+ * 1 : Init done (IP not 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 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 */
+
+ __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 */
+
+ 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 */
+
+}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 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 */
+/**
+ * @}
+ */
+
+/** @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 0x00000020U
+/**
+ * @}
+ */
+
+/** @defgroup UART_WakeUp_functions UART Wakeup Functions
+ * @{
+ */
+#define UART_WAKEUPMETHOD_IDLELINE 0x00000000U
+#define UART_WAKEUPMETHOD_ADDRESSMARK 0x00000800U
+/**
+ * @}
+ */
+
+/** @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))
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/* Exported macro ------------------------------------------------------------*/
+/** @defgroup UART_Exported_Macros UART Exported Macros
+ * @{
+ */
+
+/** @brief Reset UART handle gstate & RxState
+ * @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__) do{ \
+ (__HANDLE__)->gState = HAL_UART_STATE_RESET; \
+ (__HANDLE__)->RxState = HAL_UART_STATE_RESET; \
+ } while(0U)
+
+/** @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 = 0x00U; \
+ tmpreg = (__HANDLE__)->Instance->SR; \
+ tmpreg = (__HANDLE__)->Instance->DR; \
+ UNUSED(tmpreg); \
+ } while(0U)
+
+/** @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 0x0000FFFFU
+#define __HAL_UART_ENABLE_IT(__HANDLE__, __INTERRUPT__) ((((__INTERRUPT__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 |= ((__INTERRUPT__) & UART_IT_MASK)): \
+ (((__INTERRUPT__) >> 28U) == 2U)? ((__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__) >> 28U) == 1U)? ((__HANDLE__)->Instance->CR1 &= ~((__INTERRUPT__) & UART_IT_MASK)): \
+ (((__INTERRUPT__) >> 28U) == 2U)? ((__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__) >> 28U) == 1U)? (__HANDLE__)->Instance->CR1:(((((uint32_t)(__IT__)) >> 28U) == 2U)? \
+ (__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(0U)
+
+/** @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(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 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(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 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(0U)
+
+/** @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);
+/* 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);
+/**
+ * @}
+ */
+
+/** @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 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) < 10500001U)
+#define IS_UART_ADDRESS(ADDRESS) ((ADDRESS) <= 0x0FU)
+
+#define UART_DIV_SAMPLING16(_PCLK_, _BAUD_) (((_PCLK_)*25U)/(4U*(_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_) (((_PCLK_)*25U)/(2U*(_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
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __STM32F4xx_HAL_UART_H */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
