124 lines
3.4 KiB
C
124 lines
3.4 KiB
C
//UART 库
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#ifndef __UART_H
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#define __UART_H
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#define UART1_FIFO_EN 1 //调试用串口
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#define UART2_FIFO_EN 1 //WiFi 透传
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#define UART3_FIFO_EN 1 //HC-12
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#define UART4_FIFO_EN 0
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#define UART5_FIFO_EN 0
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#define UART6_FIFO_EN 0
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#define UART7_FIFO_EN 0
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#define UART8_FIFO_EN 0
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//定义端口号
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typedef enum
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{
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COM1 = 0, //USART1
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COM2 = 1, //USART2
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COM3 = 2, //USART3
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COM4 = 3, //UART4
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COM5 = 4, //UART5
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COM6 = 5, //USART6
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COM7 = 6, //UART7
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COM8 = 7 //UART8
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} COM_PORT_E;
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//定义串口波特率和FIFO缓冲区大小，分为发送缓冲区和接收缓冲区, 支持全双工
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#if UART1_FIFO_EN == 1
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#define UART1_BAUD 115200
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#define UART1_TX_BUF_SIZE 1 * 1024
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#define UART1_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART2_FIFO_EN == 1
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#define UART2_BAUD 115200
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#define UART2_TX_BUF_SIZE 1 * 1024
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#define UART2_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART3_FIFO_EN == 1
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#define UART3_BAUD 9600
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#define UART3_TX_BUF_SIZE 1 * 1024
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#define UART3_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART4_FIFO_EN == 1
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#define UART4_BAUD 115200
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#define UART4_TX_BUF_SIZE 1 * 1024
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#define UART4_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART5_FIFO_EN == 1
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#define UART5_BAUD 115200
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#define UART5_TX_BUF_SIZE 1 * 1024
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#define UART5_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART6_FIFO_EN == 1
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#define UART6_BAUD 115200
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#define UART6_TX_BUF_SIZE 1 * 1024
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#define UART6_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART7_FIFO_EN == 1
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#define UART7_BAUD 115200
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#define UART7_TX_BUF_SIZE 1 * 1024
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#define UART7_RX_BUF_SIZE 1 * 1024
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#endif
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#if UART8_FIFO_EN == 1
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#define UART8_BAUD 115200
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#define UART8_TX_BUF_SIZE 1 * 1024
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#define UART8_RX_BUF_SIZE 1 * 1024
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#endif
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//回调函数定义
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typedef void (*UartSendBeforeHandler)(void);
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typedef void (*UartSendOverHandler)(void);
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typedef void (*UartReceiveHandler)(uint8_t _byte);
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//串口设备结构体
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typedef struct
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{
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USART_TypeDef *uart; //内部串口设备指针
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uint8_t *pTxBuf; //发送缓冲区
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uint8_t *pRxBuf; //接收缓冲区
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uint16_t usTxBufSize; //发送缓冲区大小
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uint16_t usRxBufSize; //接收缓冲区大小
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__IO uint16_t usTxWrite; //发送缓冲区写指针
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__IO uint16_t usTxRead; //发送缓冲区读指针
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__IO uint16_t usTxCount; //等待发送的数据个数
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__IO uint16_t usRxWrite; //接收缓冲区写指针
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__IO uint16_t usRxRead; //接收缓冲区读指针
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__IO uint16_t usRxCount; //还未读取的新数据个数
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UartSendBeforeHandler SendBefore; //开始发送之前的回调函数指针
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UartSendOverHandler SendOver; //发送完毕的回调函数指针
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UartReceiveHandler Receive; //串口收到数据的回调函数指针
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uint8_t Sending; //正在发送中
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} UART_T;
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void Uart_Init(void);
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void Uart_SendBuf(COM_PORT_E _ucPort, uint8_t *_ucaBuf, uint16_t _usLen);
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void Uart_SendChar(COM_PORT_E _ucPort, uint8_t _ucByte);
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uint8_t Uart_GetChar(COM_PORT_E _ucPort, uint8_t *_pByte);
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uint8_t Uart_GetBuffUntil(COM_PORT_E _ucPort, uint8_t *_pBuf, uint8_t _endByte, uint16_t _timeout);
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void Uart_ClearTxFifo(COM_PORT_E _ucPort);
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void Uart_ClearRxFifo(COM_PORT_E _ucPort);
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void Uart_SetBaud(COM_PORT_E _ucPort, uint32_t _BaudRate);
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void Uart_SetUartParam(USART_TypeDef *Instance, uint32_t BaudRate, uint32_t Parity, uint32_t Mode);
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uint8_t Uart_IsTxEmpty(COM_PORT_E _ucPort);
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void Uart_BindSendBeforeHandle(COM_PORT_E _ucPort, UartSendBeforeHandler SendBefore);
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void Uart_BindSendOverHandle(COM_PORT_E _ucPort, UartSendOverHandler SendOver);
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void Uart_BindReceiveHandle(COM_PORT_E _ucPort, UartReceiveHandler Receive);
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void Uart_SetprintfCom(COM_PORT_E _ucPort);
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void Uart_SetgetcharCom(COM_PORT_E _ucPort);
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#endif
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