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Diff: TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_GCC_ARM/stm32l4xx_hal_usart.h
- Revision:
- 171:3a7713b1edbc
- Parent:
- 161:aa5281ff4a02
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_NUCLEO_L496ZG_P/TOOLCHAIN_GCC_ARM/stm32l4xx_hal_usart.h Thu Nov 08 11:45:42 2018 +0000 @@ -0,0 +1,888 @@ +/** + ****************************************************************************** + * @file stm32l4xx_hal_usart.h + * @author MCD Application Team + * @brief Header file of USART 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 __STM32L4xx_HAL_USART_H +#define __STM32L4xx_HAL_USART_H + +#ifdef __cplusplus + extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32l4xx_hal_def.h" + +/** @addtogroup STM32L4xx_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: + Baud Rate Register[15:4] = ((2 * fclk_pres) / ((huart->Init.BaudRate)))[15:4] + Baud Rate Register[3] = 0 + Baud Rate Register[2:0] = (((2 * fclk_pres) / ((huart->Init.BaudRate)))[3:0]) >> 1 + where fclk_pres is the USART input clock frequency (fclk) divided by a prescaler. + @note Oversampling by 8 is systematically applied to achieve high baud rates. */ + + uint32_t WordLength; /*!< Specifies the number of data bits transmitted or received in a frame. + This parameter can be a value of @ref USARTEx_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. */ + +#if defined(USART_PRESC_PRESCALER) + uint32_t ClockPrescaler; /*!< Specifies the prescaler value used to divide the USART clock source. + This parameter can be a value of @ref USART_ClockPrescaler. */ +#endif + +}USART_InitTypeDef; + +/** + * @brief HAL USART State structures definition + */ +typedef enum +{ + HAL_USART_STATE_RESET = 0x00U, /*!< Peripheral is not 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 HAL USART Error Code structure definition + */ +typedef enum +{ + HAL_USART_ERROR_NONE = 0x00U, /*!< No error */ + HAL_USART_ERROR_PE = 0x01U, /*!< Parity error */ + HAL_USART_ERROR_NE = 0x02U, /*!< Noise error */ + HAL_USART_ERROR_FE = 0x04U, /*!< frame error */ + HAL_USART_ERROR_ORE = 0x08U, /*!< Overrun error */ + HAL_USART_ERROR_DMA = 0x10U, /*!< DMA transfer error */ + HAL_USART_ERROR_UDR = 0x20U /*!< SPI slave underrun error */ +}HAL_USART_ErrorTypeDef; + +/** + * @brief USART clock sources definitions + */ +typedef enum +{ + USART_CLOCKSOURCE_PCLK1 = 0x00U, /*!< PCLK1 clock source */ + USART_CLOCKSOURCE_PCLK2 = 0x01U, /*!< PCLK2 clock source */ + USART_CLOCKSOURCE_HSI = 0x02U, /*!< HSI clock source */ + USART_CLOCKSOURCE_SYSCLK = 0x04U, /*!< SYSCLK clock source */ + USART_CLOCKSOURCE_LSE = 0x08U, /*!< LSE clock source */ + USART_CLOCKSOURCE_UNDEFINED = 0x10U /*!< Undefined clock source */ +}USART_ClockSourceTypeDef; + + +/** + * @brief USART handle Structure definition + */ +typedef struct __USART_HandleTypeDef +{ + USART_TypeDef *Instance; /*!< USART registers base address */ + + USART_InitTypeDef Init; /*!< USART communication parameters */ + + 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 */ + + uint16_t Mask; /*!< USART Rx RDR register mask */ + +#if defined(USART_CR1_FIFOEN) + uint16_t NbRxDataToProcess; /*!< Number of data to process during RX ISR execution */ + + uint16_t NbTxDataToProcess; /*!< Number of data to process during TX ISR execution */ + + uint32_t FifoMode; /*!< Specifies if the FIFO mode is being used. + This parameter can be a value of @ref USARTEx_FIFO_mode. */ +#endif + +#if defined(USART_CR2_SLVEN) + uint32_t SlaveMode; /*!< Specifies if the UART SPI Slave mode is being used. + This parameter can be a value of @ref USARTEx_Slave_Mode. */ +#endif + + void (*RxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Rx IRQ handler */ + + void (*TxISR)(struct __USART_HandleTypeDef *husart); /*!< Function pointer on Tx IRQ handler */ + + 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 */ + +}USART_HandleTypeDef; + +/** + * @} + */ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup USART_Exported_Constants USART Exported Constants + * @{ + */ + +/** @defgroup USART_Stop_Bits USART Number of Stop Bits + * @{ + */ +#define USART_STOPBITS_0_5 USART_CR2_STOP_0 /*!< USART frame with 0.5 stop bit */ +#define USART_STOPBITS_1 0x00000000U /*!< USART frame with 1 stop bit */ +#define USART_STOPBITS_1_5 (USART_CR2_STOP_0 | USART_CR2_STOP_1) /*!< USART frame with 1.5 stop bits */ +#define USART_STOPBITS_2 USART_CR2_STOP_1 /*!< USART frame with 2 stop bits */ +/** + * @} + */ + +/** @defgroup USART_Parity USART Parity + * @{ + */ +#define USART_PARITY_NONE 0x00000000U /*!< No parity */ +#define USART_PARITY_EVEN USART_CR1_PCE /*!< Even parity */ +#define USART_PARITY_ODD (USART_CR1_PCE | USART_CR1_PS) /*!< Odd parity */ +/** + * @} + */ + +/** @defgroup USART_Mode USART Mode + * @{ + */ +#define USART_MODE_RX USART_CR1_RE /*!< RX mode */ +#define USART_MODE_TX USART_CR1_TE /*!< TX mode */ +#define USART_MODE_TX_RX (USART_CR1_TE |USART_CR1_RE) /*!< RX and TX mode */ +/** + * @} + */ + +/** @defgroup USART_Over_Sampling USART Over Sampling + * @{ + */ +#define USART_OVERSAMPLING_16 0x00000000U /*!< Oversampling by 16 */ +#define USART_OVERSAMPLING_8 USART_CR1_OVER8 /*!< Oversampling by 8 */ +/** + * @} + */ + +/** @defgroup USART_Clock USART Clock + * @{ + */ +#define USART_CLOCK_DISABLE 0x00000000U /*!< USART clock disable */ +#define USART_CLOCK_ENABLE USART_CR2_CLKEN /*!< USART clock enable */ +/** + * @} + */ + +/** @defgroup USART_Clock_Polarity USART Clock Polarity + * @{ + */ +#define USART_POLARITY_LOW 0x00000000U /*!< Driver enable signal is active high */ +#define USART_POLARITY_HIGH USART_CR2_CPOL /*!< Driver enable signal is active low */ +/** + * @} + */ + +/** @defgroup USART_Clock_Phase USART Clock Phase + * @{ + */ +#define USART_PHASE_1EDGE 0x00000000U /*!< USART frame phase on first clock transition */ +#define USART_PHASE_2EDGE USART_CR2_CPHA /*!< USART frame phase on second clock transition */ +/** + * @} + */ + +/** @defgroup USART_Last_Bit USART Last Bit + * @{ + */ +#define USART_LASTBIT_DISABLE 0x00000000U /*!< USART frame last data bit clock pulse not output to SCLK pin */ +#define USART_LASTBIT_ENABLE USART_CR2_LBCL /*!< USART frame last data bit clock pulse output to SCLK pin */ +/** + * @} + */ + +#if defined(USART_PRESC_PRESCALER) +/** @defgroup USART_ClockPrescaler USART Clock Prescaler + * @{ + */ +#define USART_PRESCALER_DIV1 0x00000000U /*!< fclk_pres = fclk */ +#define USART_PRESCALER_DIV2 0x00000001U /*!< fclk_pres = fclk/2 */ +#define USART_PRESCALER_DIV4 0x00000002U /*!< fclk_pres = fclk/4 */ +#define USART_PRESCALER_DIV6 0x00000003U /*!< fclk_pres = fclk/6 */ +#define USART_PRESCALER_DIV8 0x00000004U /*!< fclk_pres = fclk/8 */ +#define USART_PRESCALER_DIV10 0x00000005U /*!< fclk_pres = fclk/10 */ +#define USART_PRESCALER_DIV12 0x00000006U /*!< fclk_pres = fclk/12 */ +#define USART_PRESCALER_DIV16 0x00000007U /*!< fclk_pres = fclk/16 */ +#define USART_PRESCALER_DIV32 0x00000008U /*!< fclk_pres = fclk/32 */ +#define USART_PRESCALER_DIV64 0x00000009U /*!< fclk_pres = fclk/64 */ +#define USART_PRESCALER_DIV128 0x0000000AU /*!< fclk_pres = fclk/128 */ +#define USART_PRESCALER_DIV256 0x0000000BU /*!< fclk_pres = fclk/256 */ +/** + * @} + */ +#endif + +/** @defgroup USART_Request_Parameters USART Request Parameters + * @{ + */ +#define USART_RXDATA_FLUSH_REQUEST USART_RQR_RXFRQ /*!< Receive Data flush Request */ +#define USART_TXDATA_FLUSH_REQUEST USART_RQR_TXFRQ /*!< Transmit data flush Request */ +/** + * @} + */ + +/** @defgroup USART_Flags USART Flags + * Elements values convention: 0xXXXX + * - 0xXXXX : Flag mask in the ISR register + * @{ + */ +#if defined(USART_CR1_FIFOEN) +#define USART_FLAG_TXFT USART_ISR_TXFT /*!< USART TXFIFO threshold flag */ +#define USART_FLAG_RXFT USART_ISR_RXFT /*!< USART RXFIFO threshold flag */ +#define USART_FLAG_RXFF USART_ISR_RXFF /*!< USART RXFIFO Full flag */ +#define USART_FLAG_TXFE USART_ISR_TXFE /*!< USART TXFIFO Empty flag */ +#define USART_FLAG_TXE USART_ISR_TXE_TXFNF /*!< USART transmit data register empty */ +#define USART_FLAG_TXFNF USART_ISR_TXE_TXFNF /*!< USART TXFIFO not full */ +#define USART_FLAG_RXNE USART_ISR_RXNE_RXFNE /*!< USART read data register not empty */ +#define USART_FLAG_RXFNE USART_ISR_RXNE_RXFNE /*!< USART RXFIFO not empty */ +#else +#define USART_FLAG_TXE USART_ISR_TXE /*!< USART transmit data register empty */ +#define USART_FLAG_RXNE USART_ISR_RXNE /*!< USART read data register not empty */ +#endif +#define USART_FLAG_REACK USART_ISR_REACK /*!< USART receive enable acknowledge flag */ +#define USART_FLAG_TEACK USART_ISR_TEACK /*!< USART transmit enable acknowledge flag */ +#define USART_FLAG_BUSY USART_ISR_BUSY /*!< USART busy flag */ +#define USART_FLAG_TC USART_ISR_TC /*!< USART transmission complete */ +#define USART_FLAG_IDLE USART_ISR_IDLE /*!< USART idle flag */ +#define USART_FLAG_ORE USART_ISR_ORE /*!< USART overrun error */ +#define USART_FLAG_NE USART_ISR_NE /*!< USART noise error */ +#define USART_FLAG_FE USART_ISR_FE /*!< USART frame error */ +#define USART_FLAG_PE USART_ISR_PE /*!< USART parity error */ +#if defined(USART_CR2_SLVEN) +#define USART_FLAG_UDR USART_ISR_UDR /*!< SPI slave underrun error flag */ +#endif +/** + * @} + */ + +/** @defgroup USART_Interrupt_definition USART Interrupts Definition + * Elements values convention: 0000ZZZZ0XXYYYYYb + * - YYYYY : Interrupt source position in the XX register (5bits) + * - XX : Interrupt source register (2bits) + * - 01: CR1 register + * - 10: CR2 register + * - 11: CR3 register + * - ZZZZ : Flag position in the ISR register(4bits) + * @{ + */ + +#define USART_IT_PE 0x0028U /*!< USART parity error interruption */ +#if defined(USART_CR1_FIFOEN) +#define USART_IT_TXFNF 0x0727U /*!< USART TX FIFO not full interruption */ +#define USART_IT_RXFNE 0x0525U /*!< USART RXFIFO not empty interruption */ +#define USART_IT_RXFF 0x183FU /*!< USART RXFIFO full interruption */ +#define USART_IT_TXFE 0x173EU /*!< USART TXFIFO empty interruption */ +#define USART_IT_RXFT 0x1A7CU /*!< USART RXFIFO threshold reached interruption */ +#define USART_IT_TXFT 0x1B77U /*!< USART TXFIFO threshold reached interruption */ +#endif +#define USART_IT_TXE 0x0727U /*!< USART transmit data register empty interruption */ +#define USART_IT_TC 0x0626U /*!< USART transmission complete interruption */ +#define USART_IT_RXNE 0x0525U /*!< USART read data register not empty interruption */ +#define USART_IT_IDLE 0x0424U /*!< USART idle interruption */ +#define USART_IT_ERR 0x0060U /*!< USART error interruption */ +#define USART_IT_ORE 0x0300U /*!< USART overrun error interruption */ +#define USART_IT_NE 0x0200U /*!< USART noise error interruption */ +#define USART_IT_FE 0x0100U /*!< USART frame error interruption */ + +/** + * @} + */ + +/** @defgroup USART_IT_CLEAR_Flags USART Interruption Clear Flags + * @{ + */ +#define USART_CLEAR_PEF USART_ICR_PECF /*!< Parity Error Clear Flag */ +#define USART_CLEAR_FEF USART_ICR_FECF /*!< Framing Error Clear Flag */ +#define USART_CLEAR_NEF USART_ICR_NECF /*!< Noise detected Clear Flag */ +#define USART_CLEAR_OREF USART_ICR_ORECF /*!< OverRun Error Clear Flag */ +#define USART_CLEAR_IDLEF USART_ICR_IDLECF /*!< IDLE line detected Clear Flag */ +#define USART_CLEAR_TCF USART_ICR_TCCF /*!< Transmission Complete Clear Flag */ +#if defined(USART_CR1_FIFOEN) +#define USART_CLEAR_TXFECF USART_ICR_TXFECF /*!< TXFIFO Empty Clear Flag */ +#endif +#if defined(USART_CR2_SLVEN) +#define USART_CLEAR_UDRF USART_ICR_UDRCF /*!< SPI slave underrun error Clear Flag */ +#endif +/** + * @} + */ + +/** @defgroup USART_Interruption_Mask USART Interruption Flags Mask + * @{ + */ +#define USART_IT_MASK 0x001FU /*!< USART interruptions flags mask */ +/** + * @} + */ + +/** + * @} + */ + +/* Exported macros -----------------------------------------------------------*/ +/** @defgroup USART_Exported_Macros USART Exported Macros + * @{ + */ + +/** @brief Reset USART handle state. + * @param __HANDLE__ USART handle. + * @retval None + */ +#define __HAL_USART_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_USART_STATE_RESET) + +/** @brief Check whether the specified USART flag is set or not. + * @param __HANDLE__ specifies the USART Handle + * @param __FLAG__ specifies the flag to check. + * This parameter can be one of the following values: + * @arg @ref USART_FLAG_TXFT TXFIFO threshold flag + * @arg @ref USART_FLAG_RXFT RXFIFO threshold flag + * @arg @ref USART_FLAG_RXFF RXFIFO Full flag + * @arg @ref USART_FLAG_TXFE TXFIFO Empty flag + * @arg @ref USART_FLAG_REACK Receive enable acknowledge flag + * @arg @ref USART_FLAG_TEACK Transmit enable acknowledge flag + * @arg @ref USART_FLAG_BUSY Busy flag + * @arg @ref USART_FLAG_UDR SPI slave underrun error flag + * @arg @ref USART_FLAG_TXE Transmit data register empty flag + * @arg @ref USART_FLAG_TXFNF TXFIFO not full flag + * @arg @ref USART_FLAG_TC Transmission Complete flag + * @arg @ref USART_FLAG_RXNE Receive data register not empty flag + * @arg @ref USART_FLAG_RXFNE RXFIFO not empty flag + * @arg @ref USART_FLAG_IDLE Idle Line detection flag + * @arg @ref USART_FLAG_ORE OverRun Error flag + * @arg @ref USART_FLAG_NE Noise Error flag + * @arg @ref USART_FLAG_FE Framing Error flag + * @arg @ref USART_FLAG_PE Parity Error flag + * @retval The new state of __FLAG__ (TRUE or FALSE). + */ +#define __HAL_USART_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->ISR & (__FLAG__)) == (__FLAG__)) + +/** @brief Clear the specified USART pending flag. + * @param __HANDLE__ specifies the USART Handle. + * @param __FLAG__ specifies the flag to check. + * This parameter can be any combination of the following values: + * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag + * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag + * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag + * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag + * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag + * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag + * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag + * @arg @ref USART_CLEAR_UDRF SPI slave underrun error Clear Flag + * @retval None + */ +#define __HAL_USART_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->ICR = (__FLAG__)) + +/** @brief Clear the USART PE pending flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_PEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_PEF) + +/** @brief Clear the USART FE pending flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_FEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_FEF) + +/** @brief Clear the USART NE pending flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_NEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_NEF) + +/** @brief Clear the USART ORE pending flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_OREFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_OREF) + +/** @brief Clear the USART IDLE pending flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_IDLEFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_IDLEF) + +#if defined(USART_CR1_FIFOEN) +/** @brief Clear the USART TX FIFO empty clear flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_TXFECF(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_TXFECF) +#endif + +#if defined(USART_CR2_SLVEN) +/** @brief Clear SPI slave underrun error flag. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_CLEAR_UDRFLAG(__HANDLE__) __HAL_USART_CLEAR_FLAG((__HANDLE__), USART_CLEAR_UDRF) +#endif + +/** @brief Enable the specified USART interrupt. + * @param __HANDLE__ specifies the USART Handle. + * @param __INTERRUPT__ specifies the USART interrupt source to enable. + * This parameter can be one of the following values: + * @arg @ref USART_IT_RXFF RXFIFO Full interrupt + * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt + * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt + * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt + * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt + * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt + * @arg @ref USART_IT_TC Transmission complete interrupt + * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt + * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt + * @arg @ref USART_IT_IDLE Idle line detection interrupt + * @arg @ref USART_IT_PE Parity Error interrupt + * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) + * @retval None + */ +#define __HAL_USART_ENABLE_IT(__HANDLE__, __INTERRUPT__) (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ + ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 |= (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ + ((__HANDLE__)->Instance->CR3 |= (1U << ((__INTERRUPT__) & USART_IT_MASK)))) + +/** @brief Disable the specified USART interrupt. + * @param __HANDLE__ specifies the USART Handle. + * @param __INTERRUPT__ specifies the USART interrupt source to disable. + * This parameter can be one of the following values: + * @arg @ref USART_IT_RXFF RXFIFO Full interrupt + * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt + * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt + * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt + * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt + * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt + * @arg @ref USART_IT_TC Transmission complete interrupt + * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt + * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt + * @arg @ref USART_IT_IDLE Idle line detection interrupt + * @arg @ref USART_IT_PE Parity Error interrupt + * @arg @ref USART_IT_ERR Error interrupt(Frame error, noise error, overrun error) + * @retval None + */ +#define __HAL_USART_DISABLE_IT(__HANDLE__, __INTERRUPT__) (((((uint8_t)(__INTERRUPT__)) >> 5U) == 1)? ((__HANDLE__)->Instance->CR1 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ + ((((uint8_t)(__INTERRUPT__)) >> 5U) == 2)? ((__HANDLE__)->Instance->CR2 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK))): \ + ((__HANDLE__)->Instance->CR3 &= ~ (1U << ((__INTERRUPT__) & USART_IT_MASK)))) + + +/** @brief Check whether the specified USART interrupt has occurred or not. + * @param __HANDLE__ specifies the USART Handle. + * @param __INTERRUPT__ specifies the USART interrupt source to check. + * This parameter can be one of the following values: + * @arg @ref USART_IT_RXFF RXFIFO Full interrupt + * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt + * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt + * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt + * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt + * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt + * @arg @ref USART_IT_TC Transmission complete interrupt + * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt + * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt + * @arg @ref USART_IT_IDLE Idle line detection interrupt + * @arg @ref USART_IT_ORE OverRun Error interrupt + * @arg @ref USART_IT_NE Noise Error interrupt + * @arg @ref USART_IT_FE Framing Error interrupt + * @arg @ref USART_IT_PE Parity Error interrupt + * @retval The new state of __INTERRUPT__ (SET or RESET). + */ +#define __HAL_USART_GET_IT(__HANDLE__, __INTERRUPT__) ((((__HANDLE__)->Instance->ISR & ((uint32_t)1 << ((__INTERRUPT__)>> 0x08))) != RESET) ? SET : RESET) + +/** @brief Check whether the specified USART interrupt source is enabled or not. + * @param __HANDLE__ specifies the USART Handle. + * @param __INTERRUPT__ specifies the USART interrupt source to check. + * This parameter can be one of the following values: + * @arg @ref USART_IT_RXFF RXFIFO Full interrupt + * @arg @ref USART_IT_TXFE TXFIFO Empty interrupt + * @arg @ref USART_IT_RXFT RXFIFO threshold interrupt + * @arg @ref USART_IT_TXFT TXFIFO threshold interrupt + * @arg @ref USART_IT_TXE Transmit Data Register empty interrupt + * @arg @ref USART_IT_TXFNF TX FIFO not full interrupt + * @arg @ref USART_IT_TC Transmission complete interrupt + * @arg @ref USART_IT_RXNE Receive Data register not empty interrupt + * @arg @ref USART_IT_RXFNE RXFIFO not empty interrupt + * @arg @ref USART_IT_IDLE Idle line detection interrupt + * @arg @ref USART_IT_ORE OverRun Error interrupt + * @arg @ref USART_IT_NE Noise Error interrupt + * @arg @ref USART_IT_FE Framing Error interrupt + * @arg @ref USART_IT_PE Parity Error interrupt + * @retval The new state of __INTERRUPT__ (SET or RESET). + */ +#define __HAL_USART_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) ((((((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x01U) ? (__HANDLE__)->Instance->CR1 : \ + (((((uint8_t)(__INTERRUPT__)) >> 0x05U) == 0x02U) ? (__HANDLE__)->Instance->CR2 : \ + (__HANDLE__)->Instance->CR3)) & (0x01U << (((uint16_t)(__INTERRUPT__)) & USART_IT_MASK))) != RESET) ? SET : RESET) + + +/** @brief Clear the specified USART ISR flag, in setting the proper ICR register flag. + * @param __HANDLE__ specifies the USART Handle. + * @param __IT_CLEAR__ specifies the interrupt clear register flag that needs to be set + * to clear the corresponding interrupt. + * This parameter can be one of the following values: + * @arg @ref USART_CLEAR_PEF Parity Error Clear Flag + * @arg @ref USART_CLEAR_FEF Framing Error Clear Flag + * @arg @ref USART_CLEAR_NEF Noise detected Clear Flag + * @arg @ref USART_CLEAR_OREF Overrun Error Clear Flag + * @arg @ref USART_CLEAR_IDLEF IDLE line detected Clear Flag + * @arg @ref USART_CLEAR_TXFECF TXFIFO empty clear Flag + * @arg @ref USART_CLEAR_TCF Transmission Complete Clear Flag + * @retval None + */ +#define __HAL_USART_CLEAR_IT(__HANDLE__, __IT_CLEAR__) ((__HANDLE__)->Instance->ICR = (uint32_t)(__IT_CLEAR__)) + +/** @brief Set a specific USART request flag. + * @param __HANDLE__ specifies the USART Handle. + * @param __REQ__ specifies the request flag to set. + * This parameter can be one of the following values: + * @arg @ref USART_RXDATA_FLUSH_REQUEST Receive Data flush Request + * @arg @ref USART_TXDATA_FLUSH_REQUEST Transmit data flush Request + * + * @retval None + */ +#define __HAL_USART_SEND_REQ(__HANDLE__, __REQ__) ((__HANDLE__)->Instance->RQR |= (__REQ__)) + +/** @brief Enable the USART 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 Disable the USART one bit sample method. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_ONE_BIT_SAMPLE_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR3 &= ~USART_CR3_ONEBIT) + +/** @brief Enable USART. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 |= USART_CR1_UE) + +/** @brief Disable USART. + * @param __HANDLE__ specifies the USART Handle. + * @retval None + */ +#define __HAL_USART_DISABLE(__HANDLE__) ((__HANDLE__)->Instance->CR1 &= ~USART_CR1_UE) + +/** + * @} + */ + +/* Private variables -----------------------------------------------------*/ +#if defined(USART_PRESC_PRESCALER) +/** @defgroup USART_Private_Variables USART Private Variables + * @{ + */ +static const uint16_t USARTPrescTable[12] = {1, 2, 4, 6, 8, 10, 12, 16, 32, 64, 128, 256}; +/** + * @} + */ +#endif + +/* Private macros --------------------------------------------------------*/ +/** @defgroup USART_Private_Macros USART Private Macros + * @{ + */ + +#if defined(USART_PRESC_PRESCALER) +/** @brief BRR division operation to set BRR register in 8-bit oversampling mode. + * @param __PCLK__ USART clock. + * @param __BAUD__ Baud rate set by the user. + * @param __CLOCKPRESCALER__ UART prescaler value. + * @retval Division result + */ +#define USART_DIV_SAMPLING8(__PCLK__, __BAUD__, __CLOCKPRESCALER__) (((((__PCLK__)/USARTPrescTable[(__CLOCKPRESCALER__)])*2) + ((__BAUD__)/2)) / (__BAUD__)) +#else +/** @brief BRR division operation to set BRR register in 8-bit oversampling mode. + * @param __PCLK__ USART clock. + * @param __BAUD__ Baud rate set by the user. + * @retval Division result + */ +#define USART_DIV_SAMPLING8(__PCLK__, __BAUD__) ((((__PCLK__)*2) + ((__BAUD__)/2)) / (__BAUD__)) +#endif + +/** @brief Check USART Baud rate. + * @param __BAUDRATE__ Baudrate specified by the user. + * The maximum Baud Rate is derived from the maximum clock on L4 + * divided by the smallest oversampling used on the USART (i.e. 8) + * (i.e. 120 MHz on STM32L4Rx/L4Sx, 80 Mhz otherwise) + * @retval SET (__BAUDRATE__ is valid) or RESET (__BAUDRATE__ is invalid) */ +#if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx) +#define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 15000001U) +#else +#define IS_USART_BAUDRATE(__BAUDRATE__) ((__BAUDRATE__) < 10000001U) +#endif + +/** + * @brief Ensure that USART frame number of stop bits is valid. + * @param __STOPBITS__ USART frame number of stop bits. + * @retval SET (__STOPBITS__ is valid) or RESET (__STOPBITS__ is invalid) + */ +#define IS_USART_STOPBITS(__STOPBITS__) (((__STOPBITS__) == USART_STOPBITS_0_5) || \ + ((__STOPBITS__) == USART_STOPBITS_1) || \ + ((__STOPBITS__) == USART_STOPBITS_1_5) || \ + ((__STOPBITS__) == USART_STOPBITS_2)) + +/** + * @brief Ensure that USART frame parity is valid. + * @param __PARITY__ USART frame parity. + * @retval SET (__PARITY__ is valid) or RESET (__PARITY__ is invalid) + */ +#define IS_USART_PARITY(__PARITY__) (((__PARITY__) == USART_PARITY_NONE) || \ + ((__PARITY__) == USART_PARITY_EVEN) || \ + ((__PARITY__) == USART_PARITY_ODD)) + +/** + * @brief Ensure that USART communication mode is valid. + * @param __MODE__ USART communication mode. + * @retval SET (__MODE__ is valid) or RESET (__MODE__ is invalid) + */ +#define IS_USART_MODE(__MODE__) ((((__MODE__) & (uint32_t)0xFFFFFFF3U) == 0x00U) && ((__MODE__) != (uint32_t)0x00U)) + +/** + * @brief Ensure that USART oversampling is valid. + * @param __SAMPLING__ USART oversampling. + * @retval SET (__SAMPLING__ is valid) or RESET (__SAMPLING__ is invalid) + */ +#define IS_USART_OVERSAMPLING(__SAMPLING__) (((__SAMPLING__) == USART_OVERSAMPLING_16) || \ + ((__SAMPLING__) == USART_OVERSAMPLING_8)) + +/** + * @brief Ensure that USART clock state is valid. + * @param __CLOCK__ USART clock state. + * @retval SET (__CLOCK__ is valid) or RESET (__CLOCK__ is invalid) + */ +#define IS_USART_CLOCK(__CLOCK__) (((__CLOCK__) == USART_CLOCK_DISABLE) || \ + ((__CLOCK__) == USART_CLOCK_ENABLE)) + +/** + * @brief Ensure that USART frame polarity is valid. + * @param __CPOL__ USART frame polarity. + * @retval SET (__CPOL__ is valid) or RESET (__CPOL__ is invalid) + */ +#define IS_USART_POLARITY(__CPOL__) (((__CPOL__) == USART_POLARITY_LOW) || ((__CPOL__) == USART_POLARITY_HIGH)) + +/** + * @brief Ensure that USART frame phase is valid. + * @param __CPHA__ USART frame phase. + * @retval SET (__CPHA__ is valid) or RESET (__CPHA__ is invalid) + */ +#define IS_USART_PHASE(__CPHA__) (((__CPHA__) == USART_PHASE_1EDGE) || ((__CPHA__) == USART_PHASE_2EDGE)) + +/** + * @brief Ensure that USART frame last bit clock pulse setting is valid. + * @param __LASTBIT__ USART frame last bit clock pulse setting. + * @retval SET (__LASTBIT__ is valid) or RESET (__LASTBIT__ is invalid) + */ +#define IS_USART_LASTBIT(__LASTBIT__) (((__LASTBIT__) == USART_LASTBIT_DISABLE) || \ + ((__LASTBIT__) == USART_LASTBIT_ENABLE)) + +/** + * @brief Ensure that USART request parameter is valid. + * @param __PARAM__ USART request parameter. + * @retval SET (__PARAM__ is valid) or RESET (__PARAM__ is invalid) + */ +#define IS_USART_REQUEST_PARAMETER(__PARAM__) (((__PARAM__) == USART_RXDATA_FLUSH_REQUEST) || \ + ((__PARAM__) == USART_TXDATA_FLUSH_REQUEST)) + +#if defined(USART_PRESC_PRESCALER) +/** + * @brief Ensure that USART Prescaler is valid. + * @param __CLOCKPRESCALER__ USART Prescaler value. + * @retval SET (__CLOCKPRESCALER__ is valid) or RESET (__CLOCKPRESCALER__ is invalid) + */ +#define IS_USART_PRESCALER(__CLOCKPRESCALER__) (((__CLOCKPRESCALER__) == USART_PRESCALER_DIV1) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV2) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV4) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV6) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV8) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV10) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV12) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV16) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV32) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV64) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV128) || \ + ((__CLOCKPRESCALER__) == USART_PRESCALER_DIV256)) + +#endif +/** + * @} + */ + +/* Include USART HAL Extended module */ +#include "stm32l4xx_hal_usart_ex.h" + +/* Exported functions --------------------------------------------------------*/ +/** @addtogroup USART_Exported_Functions USART Exported Functions + * @{ + */ + +/** @addtogroup USART_Exported_Functions_Group1 Initialization and de-initialization functions + * @{ + */ + +/* Initialization and 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); + +/** + * @} + */ + +/** @addtogroup USART_Exported_Functions_Group2 IO operation functions + * @{ + */ + +/* IO operation functions *****************************************************/ +HAL_StatusTypeDef HAL_USART_Transmit(USART_HandleTypeDef *husart, 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, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size, uint32_t Timeout); +HAL_StatusTypeDef HAL_USART_Transmit_IT(USART_HandleTypeDef *husart, 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, uint8_t *pTxData, uint8_t *pRxData, uint16_t Size); +HAL_StatusTypeDef HAL_USART_Transmit_DMA(USART_HandleTypeDef *husart, 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, 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_TxHalfCpltCallback(USART_HandleTypeDef *husart); +void HAL_USART_TxCpltCallback(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_Group4 Peripheral State and Error functions + * @{ + */ + +/* Peripheral State and Error functions ***************************************/ +HAL_USART_StateTypeDef HAL_USART_GetState(USART_HandleTypeDef *husart); +uint32_t HAL_USART_GetError(USART_HandleTypeDef *husart); + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32L4xx_HAL_USART_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/