/********************************** (C) COPYRIGHT *******************************
* File Name : ch32l103_usart.h
* Author : WCH
* Version : V1.0.0
* Date : 2023/07/08
* 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 __CH32L103_USART_H
#define __CH32L103_USART_H
#ifdef __cplusplus
extern "C" {
#endif
#include "ch32l103.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_RX_BUSY ((uint16_t)0x0400)
#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_OverSampling8Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
void USART_OneBitMethodCmd(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