lib_uart.h

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#ifndef LINUX_LIBV2_SOURCE_UART_LIB_UART_H_
#define LINUX_LIBV2_SOURCE_UART_LIB_UART_H_

// Copyright 2024

#define ERROR_NOSUPPORT -5  
#define ERROR_SYS -4        
#define ERROR_INPARA -3     
#define ERROR_TIMEOUT -2    
#define ERROR_FAIL -1       
#define ERROR_OK 0          

#ifdef __cplusplus
#define UART_API extern "C"
#else
#define UART_API
#endif

    UART_API int uart_init(char *dev, int nBaud, int nBits, char nEvent, int nStop);

    UART_API int uart_write_data(int fd, char *buff, int len);

    UART_API int uart_read_data(int fd, char *buff, int len, int timeout_ms);

    UART_API void uart_close(int fd);

    UART_API int uart_open(char *dev_name);

    UART_API int uart_write(int fd, char *buff, int len);

    UART_API int uart_read(int fd, char *buff, int len);

    UART_API int receive_uart(char *dev_name, char *buff, int len, int timeout_ms, int rx_time_ms);

#endif