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- /********************************** (C) COPYRIGHT *******************************
- * File Name : ch32v30x_usart.h
- * Author : WCH
- * Version : V1.0.0
- * Date : 2024/03/06
- * Description : This file contains all the functions prototypes for the
- * USART firmware library.
- *********************************************************************************
- * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
- * Attention: This software (modified or not) and binary are used for
- * microcontroller manufactured by Nanjing Qinheng Microelectronics.
- *******************************************************************************/
- #ifndef __CH32V30x_USART_H
- #define __CH32V30x_USART_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- #include "ch32v30x.h"
-
- /* USART Init Structure definition */
- typedef struct
- {
- uint32_t USART_BaudRate; /* This member configures the USART communication baud rate.
- The baud rate is computed using the following formula:
- - IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
- - FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
- uint16_t USART_WordLength; /* Specifies the number of data bits transmitted or received in a frame.
- This parameter can be a value of @ref USART_Word_Length */
- uint16_t USART_StopBits; /* Specifies the number of stop bits transmitted.
- This parameter can be a value of @ref USART_Stop_Bits */
- uint16_t USART_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). */
-
- uint16_t USART_Mode; /* Specifies wether the Receive or Transmit mode is enabled or disabled.
- This parameter can be a value of @ref USART_Mode */
- uint16_t USART_HardwareFlowControl; /* Specifies wether the hardware flow control mode is enabled
- or disabled.
- This parameter can be a value of @ref USART_Hardware_Flow_Control */
- } USART_InitTypeDef;
- /* USART Clock Init Structure definition */
- typedef struct
- {
- uint16_t USART_Clock; /* Specifies whether the USART clock is enabled or disabled.
- This parameter can be a value of @ref USART_Clock */
- uint16_t USART_CPOL; /* Specifies the steady state value of the serial clock.
- This parameter can be a value of @ref USART_Clock_Polarity */
- uint16_t USART_CPHA; /* Specifies the clock transition on which the bit capture is made.
- This parameter can be a value of @ref USART_Clock_Phase */
- uint16_t USART_LastBit; /* 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_ClockInitTypeDef;
- /* USART_Word_Length */
- #define USART_WordLength_8b ((uint16_t)0x0000)
- #define USART_WordLength_9b ((uint16_t)0x1000)
-
- /* USART_Stop_Bits */
- #define USART_StopBits_1 ((uint16_t)0x0000)
- #define USART_StopBits_0_5 ((uint16_t)0x1000)
- #define USART_StopBits_2 ((uint16_t)0x2000)
- #define USART_StopBits_1_5 ((uint16_t)0x3000)
- /* USART_Parity */
- #define USART_Parity_No ((uint16_t)0x0000)
- #define USART_Parity_Even ((uint16_t)0x0400)
- #define USART_Parity_Odd ((uint16_t)0x0600)
- /* USART_Mode */
- #define USART_Mode_Rx ((uint16_t)0x0004)
- #define USART_Mode_Tx ((uint16_t)0x0008)
- /* USART_Hardware_Flow_Control */
- #define USART_HardwareFlowControl_None ((uint16_t)0x0000)
- #define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)
- #define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
- #define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
- /* USART_Clock */
- #define USART_Clock_Disable ((uint16_t)0x0000)
- #define USART_Clock_Enable ((uint16_t)0x0800)
- /* USART_Clock_Polarity */
- #define USART_CPOL_Low ((uint16_t)0x0000)
- #define USART_CPOL_High ((uint16_t)0x0400)
- /* USART_Clock_Phase */
- #define USART_CPHA_1Edge ((uint16_t)0x0000)
- #define USART_CPHA_2Edge ((uint16_t)0x0200)
- /* USART_Last_Bit */
- #define USART_LastBit_Disable ((uint16_t)0x0000)
- #define USART_LastBit_Enable ((uint16_t)0x0100)
- /* USART_Interrupt_definition */
- #define USART_IT_PE ((uint16_t)0x0028)
- #define USART_IT_TXE ((uint16_t)0x0727)
- #define USART_IT_TC ((uint16_t)0x0626)
- #define USART_IT_RXNE ((uint16_t)0x0525)
- #define USART_IT_ORE_RX ((uint16_t)0x0325)
- #define USART_IT_IDLE ((uint16_t)0x0424)
- #define USART_IT_LBD ((uint16_t)0x0846)
- #define USART_IT_CTS ((uint16_t)0x096A)
- #define USART_IT_ERR ((uint16_t)0x0060)
- #define USART_IT_ORE_ER ((uint16_t)0x0360)
- #define USART_IT_NE ((uint16_t)0x0260)
- #define USART_IT_FE ((uint16_t)0x0160)
- #define USART_IT_ORE USART_IT_ORE_ER
- /* USART_DMA_Requests */
- #define USART_DMAReq_Tx ((uint16_t)0x0080)
- #define USART_DMAReq_Rx ((uint16_t)0x0040)
- /* USART_WakeUp_methods */
- #define USART_WakeUp_IdleLine ((uint16_t)0x0000)
- #define USART_WakeUp_AddressMark ((uint16_t)0x0800)
- /* USART_LIN_Break_Detection_Length */
- #define USART_LINBreakDetectLength_10b ((uint16_t)0x0000)
- #define USART_LINBreakDetectLength_11b ((uint16_t)0x0020)
- /* USART_IrDA_Low_Power */
- #define USART_IrDAMode_LowPower ((uint16_t)0x0004)
- #define USART_IrDAMode_Normal ((uint16_t)0x0000)
- /* USART_Flags */
- #define USART_FLAG_CTS ((uint16_t)0x0200)
- #define USART_FLAG_LBD ((uint16_t)0x0100)
- #define USART_FLAG_TXE ((uint16_t)0x0080)
- #define USART_FLAG_TC ((uint16_t)0x0040)
- #define USART_FLAG_RXNE ((uint16_t)0x0020)
- #define USART_FLAG_IDLE ((uint16_t)0x0010)
- #define USART_FLAG_ORE ((uint16_t)0x0008)
- #define USART_FLAG_NE ((uint16_t)0x0004)
- #define USART_FLAG_FE ((uint16_t)0x0002)
- #define USART_FLAG_PE ((uint16_t)0x0001)
- void USART_DeInit(USART_TypeDef* USARTx);
- void USART_Init(USART_TypeDef* USARTx, USART_InitTypeDef* USART_InitStruct);
- void USART_StructInit(USART_InitTypeDef* USART_InitStruct);
- void USART_ClockInit(USART_TypeDef* USARTx, USART_ClockInitTypeDef* USART_ClockInitStruct);
- void USART_ClockStructInit(USART_ClockInitTypeDef* USART_ClockInitStruct);
- void USART_Cmd(USART_TypeDef* USARTx, FunctionalState NewState);
- void USART_ITConfig(USART_TypeDef* USARTx, uint16_t USART_IT, FunctionalState NewState);
- void USART_DMACmd(USART_TypeDef* USARTx, uint16_t USART_DMAReq, FunctionalState NewState);
- void USART_SetAddress(USART_TypeDef* USARTx, uint8_t USART_Address);
- void USART_WakeUpConfig(USART_TypeDef* USARTx, uint16_t USART_WakeUp);
- void USART_ReceiverWakeUpCmd(USART_TypeDef* USARTx, FunctionalState NewState);
- void USART_LINBreakDetectLengthConfig(USART_TypeDef* USARTx, uint16_t USART_LINBreakDetectLength);
- void USART_LINCmd(USART_TypeDef* USARTx, FunctionalState NewState);
- void USART_SendData(USART_TypeDef* USARTx, uint16_t Data);
- uint16_t USART_ReceiveData(USART_TypeDef* USARTx);
- void USART_SendBreak(USART_TypeDef* USARTx);
- void USART_SetGuardTime(USART_TypeDef* USARTx, uint8_t USART_GuardTime);
- void USART_SetPrescaler(USART_TypeDef* USARTx, uint8_t USART_Prescaler);
- void USART_SmartCardCmd(USART_TypeDef* USARTx, FunctionalState NewState);
- void USART_SmartCardNACKCmd(USART_TypeDef* USARTx, FunctionalState NewState);
- void USART_HalfDuplexCmd(USART_TypeDef* USARTx, FunctionalState NewState);
- void USART_IrDAConfig(USART_TypeDef* USARTx, uint16_t USART_IrDAMode);
- void USART_IrDACmd(USART_TypeDef* USARTx, FunctionalState NewState);
- FlagStatus USART_GetFlagStatus(USART_TypeDef* USARTx, uint16_t USART_FLAG);
- void USART_ClearFlag(USART_TypeDef* USARTx, uint16_t USART_FLAG);
- ITStatus USART_GetITStatus(USART_TypeDef* USARTx, uint16_t USART_IT);
- void USART_ClearITPendingBit(USART_TypeDef* USARTx, uint16_t USART_IT);
- #ifdef __cplusplus
- }
- #endif
- #endif
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