236 lines
8.3 KiB
C
236 lines
8.3 KiB
C
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#ifndef _LS1X_UART_H_
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#define _LS1X_UART_H_
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#include"ls1x.h"
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#include "test.h"
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/**
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* @说明 GPIO 初始化定义
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*/
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typedef enum
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{
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UART_CLOCK_8M = 8000000,
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UART_CLOCK_11M = 10667000
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}UARTClock_TypeDef;
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#define IS_UART_CLOCK(CLOCK) (((CLOCK) == UART_CLOCK_8M) || ((LENGTH) == UART_CLOCK_11M))
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/**
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* @说明 UART初始化结构体定义
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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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uint32_t Clock_Freq; /* Specifies uart clock freq*/
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uint16_t UART_Triger;
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uint8_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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uint8_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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uint8_t UART_Parity_Control; /* Specifies the parity mode whether Enable or disable */
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uint8_t UART_Parity; /* Specifies the parity mode */
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uint8_t UART_Parity_Bid_Control; /* Specifies the parity bid or not */
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uint8_t UART_Break_Control; /* Specifies the Beaak_Control bit state */
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} UART_InitTypeDef;
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/**
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* UART_Exported_Constants
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*/
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#define IS_UART_PERIPH(PERIPH) (((PERIPH) == UART0) || ((PERIPH) == UART1))
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/**
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*@说明：UART_MODE
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*/
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typedef enum
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{
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UART_Mode_Tx = 0,
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UART_Mode_Rx
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}UARTMode_TypeDef;
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#define IS_UART_MODE(MODE) (((MODE) == UART_Tx) || ((MODE) == UART_Rx))
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/**
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*@说明：UART_Word_Length
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*/
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#define UART_Word_Length_5b ((uint8_t)0x00)
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#define UART_Word_Length_6b ((uint8_t)0x01)
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#define UART_Word_Length_7b ((uint8_t)0x02)
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#define UART_Word_Length_8b ((uint8_t)0x03)
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#define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_Word_Length_5b) || \
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((LENGTH) == UART_Word_Length_6b) || \
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((LENGTH) == UART_Word_Length_7b) || \
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((LENGTH) == UART_Word_Length_8b))
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/**
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*@说明：UART_Stop_Bits
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* bec=5bit时，stopbit2=1.5bit
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*/
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#define UART_StopBits_1 ((uint8_t)0x00)
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#define UART_StopBits_2 ((uint8_t)0x04)
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#define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_StopBits_1) || \
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((STOPBITS) == UART_StopBits_2))
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/** UART_Parity
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*@说明：
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*/
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#define UART_Parity_Odd ((uint8_t)0x00) /* 奇校验 */
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#define UART_Parity_Even ((uint8_t)0x10) /* 偶校验 */
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#define IS_UART_PARITY(PARITY) (((PARITY) == UART_Parity_Even) || \
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((PARITY) == UART_Parity_Odd))
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#define UART_Parity_No ((uint8_t)0x00) /* 不使能奇偶校验 */
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#define UART_Parity_En ((uint8_t)0x08) /* 使能奇偶校验 */
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#define UART_Parity_No_Bid ((uint8_t)0x00)
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#define UART_Parity_Bid ((uint8_t)0x20)
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#define UART_Break_Control_NEn ((uint8_t)0x00)
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#define UART_Break_Control_En ((uint8_t)0x40)
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#define UART_Data_En ((uint8_t)0x00)
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#define UART_Lab_En ((uint8_t)0x80)
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/**
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* @说明： UART_Interrupt_definition
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*/
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#define UART_IT_IME ((uint8_t)0x08)/* 保留的 Modem中断使能 */
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#define UART_IT_ILE ((uint8_t)0x04)/* 线路状态中断使能 */
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#define UART_IT_ITE ((uint8_t)0x02)/* 发送状态中断使能 */
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#define UART_IT_IRE ((uint8_t)0x01)/* 接收状态中断使能 */
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#define IS_UART_CONFIG_IT(IT) (((IT) == UART_IT_IME) || ((IT) == UART_IT_ILE) || \
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((IT) == UART_IT_ITE) || ((IT) == UART_IT_IRE))
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/**
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*@说明： UART_Interrupt_state
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*/
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#define UART_IT_RXOT ((uint8_t)0x0C) /* 接收超时，有数据有效且后续4个字符时间内无操作 */
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#define UART_IT_IL ((uint8_t)0x06) /* 奇偶 、 溢出 或 帧错误、 或打断中断 */
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#define UART_IT_RXNE ((uint8_t)0x04) /* 接收寄存器非空中断*/
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#define UART_IT_TXE ((uint8_t)0x02) /* 发送fifo空中断*/
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#define UART_IT_MDM ((uint8_t)0x00) /* 保留的 Modem寄存器，两线串口实现无此中断源*/
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#define UART_IT_INTPn ((uint8_t)0x01) /* 是否存在未处理的中断*/
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#define IS_UART_GET_IT(IT) (((IT) == UART_IT_RXOT) || ((IT) == UART_IT_IL) || \
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((IT) == UART_IT_RXNE) || ((IT) == UART_IT_INTPn) || \
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((IT) == UART_IT_TXE) || ((IT) == UART_IT_MDM))
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#define UART_FIFO_TRIGGER_1 ((uint8_t)0x00) /* trigger at 1 chars */
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#define UART_FIFO_TRIGGER_2 ((uint8_t)0x40) /* trigger at 2 chars */
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#define UART_FIFO_TRIGGER_3 ((uint8_t)0x80) /* trigger at 3 chars */
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#define UART_FIFO_TRIGGER_4 ((uint8_t)0xc0) /* trigger at 4 chars */
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#define IS_UART_FIFO_TRIGGER(TRIGGER) (((TRIGGER) == UART_FIFO_TRIGGER_1) || ((TRIGGER) == UART_FIFO_TRIGGER_2) || \
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((TRIGGER) == UART_FIFO_TRIGGER_3)||((TRIGGER) == UART_FIFO_TRIGGER_4))
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#define UART_FIFO_RX_RST 0x02 /* reset receive fifo */
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#define UART_FIFO_TX_RST 0x04 /* reset transmit fifo */
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/**
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* UART_MCR_definition
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*/
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/**
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*UART_Modem_Infrared
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*/
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#define UART_Modem_Infrared_Disable ((uint8_t)0x00)
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#define UART_Modem_Infrared_Enable ((uint8_t)0x80)
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#define IS_UART_MODEM_IR(Modem_Infrared) (((Modem_Infrared) == UART_Modem_Infrared_Disable) || \
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((Modem_Infrared) == UART_Modem_Infrared_Enable))
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/**
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* UART_Modem_CPOL
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*/
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#define UART_Modem_Cpol_Low ((uint8_t)0x00)
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#define UART_Modem_Cpol_High ((uint8_t)0x40)
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#define IS_UART_MODEM_CPOL(CPOL) (((CPOL) == UART_Modem_Cpol_Low) || ((CPOL) == UART_Modem_Cpol_High))
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/**
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* UART_Modem_CPOL
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*/
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#define UART_Modem_Infrared_Cpol_Low ((uint8_t)0x00)
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#define UART_Modem_Infrared_Cpol_High ((uint8_t)0x20)
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#define IS_UART_MODEM_IR_CPOL(CPOL) (((CPOL) == UART_Modem_Infrared_Cpol_Low) || ((CPOL) == UART_Modem_Infrared_Cpol_High))
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/**
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* UART_LSR_Flags
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*/
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#define UART_LSR_FLAG_ERR ((uint8_t)0x80) //Error flag
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#define UART_LSR_FLAG_TE ((uint8_t)0x40) //Transmit data register empty flag
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#define UART_LSR_FLAG_TFE ((uint8_t)0x20) //Transmit fifo register empty flag
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#define UART_LSR_FLAG_BI ((uint8_t)0x10) //break flag
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#define UART_LSR_FLAG_FE ((uint8_t)0x08) //Framing Error flag
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#define UART_LSR_FLAG_PE ((uint8_t)0x04) //Parity Error flag
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#define UART_LSR_FLAG_OE ((uint8_t)0x02) //OverRun Error flag
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#define UART_LSR_FLAG_RXNE ((uint8_t)0x01) //Receive data register not empty flag
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#define IS_UART_LSR_FLAGS(FLAG) (((FLAG) == UART_LSR_FLAG_ERR)||\
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((FLAG) == UART_LSR_FLAG_TE)||\
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((FLAG) == UART_LSR_FLAG_TFE)||\
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((FLAG) == UART_LSR_FLAG_BI)||\
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((FLAG) == UART_LSR_FLAG_FE)||\
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((FLAG) == UART_LSR_FLAG_PE)||\
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((FLAG) == UART_LSR_FLAG_OE)||\
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((CPOL) == UART_LSR_FLAG_RXNE))
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/**
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* UART_Exported_Functions
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*/
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void UART_Init(UART_TypeDef* UARTx, UART_InitTypeDef* UART_InitStruct);
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void UART_StructInit(UART_InitTypeDef* UART_InitStruct);
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void UART_ITConfig(UART_TypeDef* UARTx, uint8_t UART_IT, FunctionalState NewState);
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//void UART_ITCmd(UART_TypeDef* UARTx, FunctionalState NewState);
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void UART_SendData(UART_TypeDef* UARTx, uint8_t Data);
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uint8_t UART_ReceiveData(UART_TypeDef* UARTx);
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FlagStatus UART_GetFlagStatus(UART_TypeDef* UARTx, uint8_t UART_FLAG);
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//void UART_ClearFlag(UART_TypeDef* UARTx, uint8_t UART_FLAG);
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ITStatus UART_GetITStatus(UART_TypeDef* UARTx, uint8_t UART_IT_FLAG);
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//void UART_ClearIT(UART_TypeDef* UARTx);
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void UART_ClearITPendingBit(UART_TypeDef* UARTx, uint16_t UART_IT);
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uint8_t x_getchar(void);
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void UartInit(void);
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void Uart_init(UART_TypeDef* UARTx);
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#endif
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