189 lines
9.5 KiB
C
189 lines
9.5 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32l103_usart.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2023/07/08
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* Description : This file contains all the functions prototypes for the
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* USART firmware library.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH32L103_USART_H
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#define __CH32L103_USART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32l103.h"
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/* USART Init Structure definition */
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typedef struct
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{
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uint32_t USART_BaudRate; /* This member configures the USART communication baud rate.
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The baud rate is computed using the following formula:
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- IntegerDivider = ((PCLKx) / (16 * (USART_InitStruct->USART_BaudRate)))
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- FractionalDivider = ((IntegerDivider - ((u32) IntegerDivider)) * 16) + 0.5 */
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uint16_t USART_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 USART_Word_Length */
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uint16_t USART_StopBits; /* Specifies the number of stop bits transmitted.
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This parameter can be a value of @ref USART_Stop_Bits */
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uint16_t USART_Parity; /* Specifies the parity mode.
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This parameter can be a value of @ref USART_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_Mode; /* Specifies wether the Receive or Transmit mode is enabled or disabled.
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This parameter can be a value of @ref USART_Mode */
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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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} USART_InitTypeDef;
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/* USART Clock Init Structure definition */
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typedef struct
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{
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uint16_t USART_Clock; /* Specifies whether the USART clock is enabled or disabled.
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This parameter can be a value of @ref USART_Clock */
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uint16_t USART_CPOL; /* Specifies the steady state value of the serial clock.
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This parameter can be a value of @ref USART_Clock_Polarity */
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uint16_t USART_CPHA; /* Specifies the clock transition on which the bit capture is made.
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This parameter can be a value of @ref USART_Clock_Phase */
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uint16_t USART_LastBit; /* Specifies whether the clock pulse corresponding to the last transmitted
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data bit (MSB) has to be output on the SCLK pin in synchronous mode.
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This parameter can be a value of @ref USART_Last_Bit */
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} USART_ClockInitTypeDef;
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/* USART_Word_Length */
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#define USART_WordLength_8b ((uint16_t)0x0000)
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#define USART_WordLength_9b ((uint16_t)0x1000)
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/* USART_Stop_Bits */
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#define USART_StopBits_1 ((uint16_t)0x0000)
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#define USART_StopBits_0_5 ((uint16_t)0x1000)
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#define USART_StopBits_2 ((uint16_t)0x2000)
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#define USART_StopBits_1_5 ((uint16_t)0x3000)
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/* USART_Parity */
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#define USART_Parity_No ((uint16_t)0x0000)
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#define USART_Parity_Even ((uint16_t)0x0400)
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#define USART_Parity_Odd ((uint16_t)0x0600)
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/* USART_Mode */
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#define USART_Mode_Rx ((uint16_t)0x0004)
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#define USART_Mode_Tx ((uint16_t)0x0008)
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/* USART_Hardware_Flow_Control */
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#define USART_HardwareFlowControl_None ((uint16_t)0x0000)
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#define USART_HardwareFlowControl_RTS ((uint16_t)0x0100)
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#define USART_HardwareFlowControl_CTS ((uint16_t)0x0200)
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#define USART_HardwareFlowControl_RTS_CTS ((uint16_t)0x0300)
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/* USART_Clock */
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#define USART_Clock_Disable ((uint16_t)0x0000)
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#define USART_Clock_Enable ((uint16_t)0x0800)
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/* USART_Clock_Polarity */
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#define USART_CPOL_Low ((uint16_t)0x0000)
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#define USART_CPOL_High ((uint16_t)0x0400)
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/* USART_Clock_Phase */
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#define USART_CPHA_1Edge ((uint16_t)0x0000)
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#define USART_CPHA_2Edge ((uint16_t)0x0200)
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/* USART_Last_Bit */
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#define USART_LastBit_Disable ((uint16_t)0x0000)
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#define USART_LastBit_Enable ((uint16_t)0x0100)
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/* USART_Interrupt_definition */
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#define USART_IT_PE ((uint16_t)0x0028)
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#define USART_IT_TXE ((uint16_t)0x0727)
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#define USART_IT_TC ((uint16_t)0x0626)
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#define USART_IT_RXNE ((uint16_t)0x0525)
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#define USART_IT_ORE_RX ((uint16_t)0x0325)
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#define USART_IT_IDLE ((uint16_t)0x0424)
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#define USART_IT_LBD ((uint16_t)0x0846)
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#define USART_IT_CTS ((uint16_t)0x096A)
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#define USART_IT_ERR ((uint16_t)0x0060)
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#define USART_IT_ORE_ER ((uint16_t)0x0360)
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#define USART_IT_NE ((uint16_t)0x0260)
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#define USART_IT_FE ((uint16_t)0x0160)
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#define USART_IT_ORE USART_IT_ORE_ER
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/* USART_DMA_Requests */
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#define USART_DMAReq_Tx ((uint16_t)0x0080)
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#define USART_DMAReq_Rx ((uint16_t)0x0040)
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/* USART_WakeUp_methods */
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#define USART_WakeUp_IdleLine ((uint16_t)0x0000)
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#define USART_WakeUp_AddressMark ((uint16_t)0x0800)
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/* USART_LIN_Break_Detection_Length */
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#define USART_LINBreakDetectLength_10b ((uint16_t)0x0000)
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#define USART_LINBreakDetectLength_11b ((uint16_t)0x0020)
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/* USART_IrDA_Low_Power */
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#define USART_IrDAMode_LowPower ((uint16_t)0x0004)
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#define USART_IrDAMode_Normal ((uint16_t)0x0000)
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/* USART_Flags */
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#define USART_FLAG_RX_BUSY ((uint16_t)0x0400)
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#define USART_FLAG_CTS ((uint16_t)0x0200)
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#define USART_FLAG_LBD ((uint16_t)0x0100)
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#define USART_FLAG_TXE ((uint16_t)0x0080)
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#define USART_FLAG_TC ((uint16_t)0x0040)
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#define USART_FLAG_RXNE ((uint16_t)0x0020)
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#define USART_FLAG_IDLE ((uint16_t)0x0010)
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#define USART_FLAG_ORE ((uint16_t)0x0008)
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#define USART_FLAG_NE ((uint16_t)0x0004)
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#define USART_FLAG_FE ((uint16_t)0x0002)
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#define USART_FLAG_PE ((uint16_t)0x0001)
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void USART_DeInit(USART_TypeDef *USARTx);
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void USART_Init(USART_TypeDef *USARTx, USART_InitTypeDef *USART_InitStruct);
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void USART_StructInit(USART_InitTypeDef *USART_InitStruct);
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void USART_ClockInit(USART_TypeDef *USARTx, USART_ClockInitTypeDef *USART_ClockInitStruct);
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void USART_ClockStructInit(USART_ClockInitTypeDef *USART_ClockInitStruct);
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void USART_Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_ITConfig(USART_TypeDef *USARTx, uint16_t USART_IT, FunctionalState NewState);
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void USART_DMACmd(USART_TypeDef *USARTx, uint16_t USART_DMAReq, FunctionalState NewState);
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void USART_SetAddress(USART_TypeDef *USARTx, uint8_t USART_Address);
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void USART_WakeUpConfig(USART_TypeDef *USARTx, uint16_t USART_WakeUp);
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void USART_ReceiverWakeUpCmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_LINBreakDetectLengthConfig(USART_TypeDef *USARTx, uint16_t USART_LINBreakDetectLength);
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void USART_LINCmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_SendData(USART_TypeDef *USARTx, uint16_t Data);
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uint16_t USART_ReceiveData(USART_TypeDef *USARTx);
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void USART_SendBreak(USART_TypeDef *USARTx);
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void USART_SetGuardTime(USART_TypeDef *USARTx, uint8_t USART_GuardTime);
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void USART_SetPrescaler(USART_TypeDef *USARTx, uint8_t USART_Prescaler);
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void USART_SmartCardCmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_SmartCardNACKCmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_HalfDuplexCmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_OverSampling8Cmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_OneBitMethodCmd(USART_TypeDef *USARTx, FunctionalState NewState);
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void USART_IrDAConfig(USART_TypeDef *USARTx, uint16_t USART_IrDAMode);
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void USART_IrDACmd(USART_TypeDef *USARTx, FunctionalState NewState);
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FlagStatus USART_GetFlagStatus(USART_TypeDef *USARTx, uint16_t USART_FLAG);
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void USART_ClearFlag(USART_TypeDef *USARTx, uint16_t USART_FLAG);
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ITStatus USART_GetITStatus(USART_TypeDef *USARTx, uint16_t USART_IT);
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void USART_ClearITPendingBit(USART_TypeDef *USARTx, uint16_t USART_IT);
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#ifdef __cplusplus
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}
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#endif
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#endif
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