#ifndef _LS1X_UART_H_ #define _LS1X_UART_H_ #include"ls1x.h" #include "test.h" /** * @说明 GPIO 初始化定义 */ typedef enum { UART_CLOCK_8M = 8000000, UART_CLOCK_11M = 10667000 }UARTClock_TypeDef; #define IS_UART_CLOCK(CLOCK) (((CLOCK) == UART_CLOCK_8M) || ((LENGTH) == UART_CLOCK_11M)) /** * @说明 UART初始化结构体定义 */ typedef struct { uint32_t UART_BaudRate; /* This member configures the UART communication baud rate. The baud rate is computed using the following formula: - IntegerDivider = ((PCLKx) / (16 * (UART_InitStruct->UART_BaudRate)))*/ uint32_t Clock_Freq; /* Specifies uart clock freq*/ uint16_t UART_Triger; uint8_t UART_WordLength; /* Specifies the number of data bits transmitted or received in a frame. This parameter can be a value of @ref UART_Word_Length */ uint8_t UART_StopBits; /* Specifies the number of stop bits transmitted. This parameter can be a value of @ref UART_Stop_Bits */ uint8_t UART_Parity_Control; /* Specifies the parity mode whether Enable or disable */ uint8_t UART_Parity; /* Specifies the parity mode */ uint8_t UART_Parity_Bid_Control; /* Specifies the parity bid or not */ uint8_t UART_Break_Control; /* Specifies the Beaak_Control bit state */ } UART_InitTypeDef; /** * UART_Exported_Constants */ #define IS_UART_PERIPH(PERIPH) (((PERIPH) == UART0) || ((PERIPH) == UART1)) /** *@说明：UART_MODE */ typedef enum { UART_Mode_Tx = 0, UART_Mode_Rx }UARTMode_TypeDef; #define IS_UART_MODE(MODE) (((MODE) == UART_Tx) || ((MODE) == UART_Rx)) /** *@说明：UART_Word_Length */ #define UART_Word_Length_5b ((uint8_t)0x00) #define UART_Word_Length_6b ((uint8_t)0x01) #define UART_Word_Length_7b ((uint8_t)0x02) #define UART_Word_Length_8b ((uint8_t)0x03) #define IS_UART_WORD_LENGTH(LENGTH) (((LENGTH) == UART_Word_Length_5b) || \ ((LENGTH) == UART_Word_Length_6b) || \ ((LENGTH) == UART_Word_Length_7b) || \ ((LENGTH) == UART_Word_Length_8b)) /** *@说明：UART_Stop_Bits * bec=5bit时，stopbit2=1.5bit */ #define UART_StopBits_1 ((uint8_t)0x00) #define UART_StopBits_2 ((uint8_t)0x04) #define IS_UART_STOPBITS(STOPBITS) (((STOPBITS) == UART_StopBits_1) || \ ((STOPBITS) == UART_StopBits_2)) /** UART_Parity *@说明： */ #define UART_Parity_Odd ((uint8_t)0x00) /* 奇校验 */ #define UART_Parity_Even ((uint8_t)0x10) /* 偶校验 */ #define IS_UART_PARITY(PARITY) (((PARITY) == UART_Parity_Even) || \ ((PARITY) == UART_Parity_Odd)) #define UART_Parity_No ((uint8_t)0x00) /* 不使能奇偶校验 */ #define UART_Parity_En ((uint8_t)0x08) /* 使能奇偶校验 */ #define UART_Parity_No_Bid ((uint8_t)0x00) #define UART_Parity_Bid ((uint8_t)0x20) #define UART_Break_Control_NEn ((uint8_t)0x00) #define UART_Break_Control_En ((uint8_t)0x40) #define UART_Data_En ((uint8_t)0x00) #define UART_Lab_En ((uint8_t)0x80) /** * @说明： UART_Interrupt_definition */ #define UART_IT_IME ((uint8_t)0x08)/* 保留的 Modem中断使能 */ #define UART_IT_ILE ((uint8_t)0x04)/* 线路状态中断使能 */ #define UART_IT_ITE ((uint8_t)0x02)/* 发送状态中断使能 */ #define UART_IT_IRE ((uint8_t)0x01)/* 接收状态中断使能 */ #define IS_UART_CONFIG_IT(IT) (((IT) == UART_IT_IME) || ((IT) == UART_IT_ILE) || \ ((IT) == UART_IT_ITE) || ((IT) == UART_IT_IRE)) /** *@说明： UART_Interrupt_state */ #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 */ #define UART_IT_IL ((uint8_t)0x06) /* 奇偶 、 溢出 或 帧错误、 或打断中断 */ #define UART_IT_RXNE ((uint8_t)0x04) /* 接收寄存器非空中断*/ #define UART_IT_TXE ((uint8_t)0x02) /* 发送fifo空中断*/ #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*/ #define UART_IT_INTPn ((uint8_t)0x01) /* 是否存在未处理的中断*/ #define IS_UART_GET_IT(IT) (((IT) == UART_IT_RXOT) || ((IT) == UART_IT_IL) || \ ((IT) == UART_IT_RXNE) || ((IT) == UART_IT_INTPn) || \ ((IT) == UART_IT_TXE) || ((IT) == UART_IT_MDM)) #define UART_FIFO_TRIGGER_1 ((uint8_t)0x00) /* trigger at 1 chars */ #define UART_FIFO_TRIGGER_2 ((uint8_t)0x40) /* trigger at 2 chars */ #define UART_FIFO_TRIGGER_3 ((uint8_t)0x80) /* trigger at 3 chars */ #define UART_FIFO_TRIGGER_4 ((uint8_t)0xc0) /* trigger at 4 chars */ #define IS_UART_FIFO_TRIGGER(TRIGGER) (((TRIGGER) == UART_FIFO_TRIGGER_1) || ((TRIGGER) == UART_FIFO_TRIGGER_2) || \ ((TRIGGER) == UART_FIFO_TRIGGER_3)||((TRIGGER) == UART_FIFO_TRIGGER_4)) #define UART_FIFO_RX_RST 0x02 /* reset receive fifo */ #define UART_FIFO_TX_RST 0x04 /* reset transmit fifo */ /** * UART_MCR_definition */ /** *UART_Modem_Infrared */ #define UART_Modem_Infrared_Disable ((uint8_t)0x00) #define UART_Modem_Infrared_Enable ((uint8_t)0x80) #define IS_UART_MODEM_IR(Modem_Infrared) (((Modem_Infrared) == UART_Modem_Infrared_Disable) || \ ((Modem_Infrared) == UART_Modem_Infrared_Enable)) /** * UART_Modem_CPOL */ #define UART_Modem_Cpol_Low ((uint8_t)0x00) #define UART_Modem_Cpol_High ((uint8_t)0x40) #define IS_UART_MODEM_CPOL(CPOL) (((CPOL) == UART_Modem_Cpol_Low) || ((CPOL) == UART_Modem_Cpol_High)) /** * UART_Modem_CPOL */ #define UART_Modem_Infrared_Cpol_Low ((uint8_t)0x00) #define UART_Modem_Infrared_Cpol_High ((uint8_t)0x20) #define IS_UART_MODEM_IR_CPOL(CPOL) (((CPOL) == UART_Modem_Infrared_Cpol_Low) || ((CPOL) == UART_Modem_Infrared_Cpol_High)) /** * UART_LSR_Flags */ #define UART_LSR_FLAG_ERR ((uint8_t)0x80) //Error flag #define UART_LSR_FLAG_TE ((uint8_t)0x40) //Transmit data register empty flag #define UART_LSR_FLAG_TFE ((uint8_t)0x20) //Transmit fifo register empty flag #define UART_LSR_FLAG_BI ((uint8_t)0x10) //break flag #define UART_LSR_FLAG_FE ((uint8_t)0x08) //Framing Error flag #define UART_LSR_FLAG_PE ((uint8_t)0x04) //Parity Error flag #define UART_LSR_FLAG_OE ((uint8_t)0x02) //OverRun Error flag #define UART_LSR_FLAG_RXNE ((uint8_t)0x01) //Receive data register not empty flag #define IS_UART_LSR_FLAGS(FLAG) (((FLAG) == UART_LSR_FLAG_ERR)||\ ((FLAG) == UART_LSR_FLAG_TE)||\ ((FLAG) == UART_LSR_FLAG_TFE)||\ ((FLAG) == UART_LSR_FLAG_BI)||\ ((FLAG) == UART_LSR_FLAG_FE)||\ ((FLAG) == UART_LSR_FLAG_PE)||\ ((FLAG) == UART_LSR_FLAG_OE)||\ ((CPOL) == UART_LSR_FLAG_RXNE)) /** * UART_Exported_Functions */ void UART_Init(UART_TypeDef* UARTx, UART_InitTypeDef* UART_InitStruct); void UART_StructInit(UART_InitTypeDef* UART_InitStruct); void UART_ITConfig(UART_TypeDef* UARTx, uint8_t UART_IT, FunctionalState NewState); //void UART_ITCmd(UART_TypeDef* UARTx, FunctionalState NewState); void UART_SendData(UART_TypeDef* UARTx, uint8_t Data); uint8_t UART_ReceiveData(UART_TypeDef* UARTx); FlagStatus UART_GetFlagStatus(UART_TypeDef* UARTx, uint8_t UART_FLAG); //void UART_ClearFlag(UART_TypeDef* UARTx, uint8_t UART_FLAG); ITStatus UART_GetITStatus(UART_TypeDef* UARTx, uint8_t UART_IT_FLAG); //void UART_ClearIT(UART_TypeDef* UARTx); void UART_ClearITPendingBit(UART_TypeDef* UARTx, uint16_t UART_IT); uint8_t x_getchar(void); void UartInit(void); void Uart_init(UART_TypeDef* UARTx); #endif