130 lines
5.5 KiB
C
130 lines
5.5 KiB
C
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/******************************************************************************
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* 版权所有：苏州领慧立芯科技有限公司
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* Copyright (c) 2020-2025 Suzhou Legendsemi Technology Co., Ltd.
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******************************************************************************
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* All rights reserved. Distributed under MIT license.
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* The file is encoded in UTF-8 without signature.
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* @file lh32m0g30x_uart.h
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* @version 2025-09-01
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******************************************************************************/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __LH32M0G3x_UART_H
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#define __LH32M0G3x_UART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "lh32m0xx_lhl.h"
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/* Defines -------------------------------------------------------------------*/
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/**
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* @brief UART Init Structure definition
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*/
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typedef struct
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{
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uint32_t UART_BaudRate; /*!< This member configures the UART communication baud rate.
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The baud rate is computed using the following formula:
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- IntegerDivider = ((PCLKx) / (16 * (UART_InitStruct->UART_BaudRate)))
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- FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
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uint16_t UART_WordLength; /*!< Specifies the number of data bits transmitted or received in a frame.
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This parameter can be a value of @ref UART_Word_Length */
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uint16_t UART_StopBits; /*!< Specifies the number of stop bits transmitted.
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This parameter can be a value of @ref UART_Stop_Bits */
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uint16_t UART_Parity; /*!< Specifies the parity mode.
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This parameter can be a value of @ref UART_Parity
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@note When parity is enabled, the computed parity is inserted
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at the MSB position of the transmitted data (9th bit when
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the word length is set to 9 data bits; 8th bit when the
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word length is set to 8 data bits). */
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uint16_t USART_HardwareFlowControl; /*!< Specifies wether the hardware flow control mode is enabled
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or disabled.
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This parameter can be a value of @ref USART_Hardware_Flow_Control */
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}
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UART_InitTypeDef;
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/** @defgroup UART_Word_Length
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* @{
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*/
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#define UART_WordLength_5b ((uint32_t)0x00000000)
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#define UART_WordLength_6b ((uint32_t)0x00000001)
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#define UART_WordLength_7b ((uint32_t)0x00000002)
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#define UART_WordLength_8b ((uint32_t)0x00000003)
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/** @defgroup UART_Stop_Bits
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* @{
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*/
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#define UART_StopBits_1 ((uint32_t)0x00000000)
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#define UART_StopBits_2 ((uint32_t)0x00000004)
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#define UART_StopBits_1_5 ((uint32_t)0x00000004)
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/** @defgroup UART_Parity
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* @{
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*/
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#define UART_Parity_Even ((uint32_t)0x00000018)
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#define UART_Parity_Odd ((uint32_t)0x00000008)
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#define UART_Parity_None ((uint32_t)0x00000000)
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/** @defgroup UART_Interrupt_definition
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* @{
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*/
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#define UART_IT_EDSSI ((uint32_t)0x08) //调制解调器状态中断使能
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#define UART_IT_ELSI ((uint32_t)0x04) //接收线路状态中断使能
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#define UART_IT_ETBEI ((uint32_t)0x02) //TXE数据发送寄存器为空中断使能
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#define UART_IT_ERBFI ((uint32_t)0x01) //RXNE接收数据可用中断使能
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/** @defgroup UART_Flags
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* @{
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*/
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#define UART_FLAG_TEMT ((uint32_t)0x40)
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#define UART_FLAG_THRE ((uint32_t)0x20)
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#define UART_FLAG_FE ((uint32_t)0x08)
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#define UART_FLAG_PE ((uint32_t)0x04)
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#define UART_FLAG_OE ((uint32_t)0x02)
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#define UART_FLAG_DR ((uint32_t)0x01)
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/**
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* @brief UART_Interrupt_Enum
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*/
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typedef enum {
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UART_IT_RXNE = ((uint32_t)0x04),
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UART_IT_TXE = ((uint32_t)0x02),
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} UART_IT_t;
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/* Declaration ---------------------------------------------------------------*/
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/** @defgroup UART_Exported_Functions
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* @{
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*/
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LHL_StatusTypeDef LHL_UART_Init(UART_TypeDef* pUARTx, UART_InitTypeDef* UART_Init);
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void LHL_UART_ITConfig(UART_TypeDef* pUARTx, uint32_t UART_IT, FunctionalState NewState);
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FlagStatus LHL_UART_GetFlag(UART_TypeDef* pUARTx, uint16_t UART_FLAG);
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ITStatus LHL_UART_GetIT(UART_TypeDef* pUARTx, uint16_t UART_IT);
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ITStatus LHL_UART_GetPending(UART_TypeDef* pUARTx, UART_IT_t UART_IT);
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LHL_StatusTypeDef LHL_UART_Transmit(UART_TypeDef *pUARTx, const uint8_t* pTxData, uint16_t size, uint32_t Timeout);
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LHL_StatusTypeDef LHL_UART_Receive(UART_TypeDef *pUARTx, uint8_t* pRxData, uint16_t size, uint32_t Timeout);
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void LHL_UART_SendData(UART_TypeDef* pUARTx, uint8_t Data);
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uint8_t LHL_UART_ReceiveData(UART_TypeDef* pUARTx);
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#ifdef __cplusplus
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}
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#endif
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#endif
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/*********************************End of File**********************************/
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