RTL8710AF_GCC/component/common/utilities/uart_socket.h
2016-09-12 17:16:56 +08:00

50 lines
1.2 KiB
C

#ifndef __UART_SOCKET_H_
#define __UART_SOCKET_H_
#include "osdep_api.h"
#include "serial_api.h"
#include "serial_ex_api.h"
#define UART_SEND_BUFFER_LEN 512
#define UART_RECV_BUFFER_LEN 1024
#define UART_MAX_DELAY_TIME 20
typedef struct _uart_set_str
{
char UartName[8]; // the name of uart
int BaudRate; //The baud rate
char number; //The number of data bits
char parity; //The parity(default NONE)
char StopBits; //The number of stop bits
char FlowControl; //support flow control is 1
}uart_set_str;
typedef struct _uart_socket_t
{
serial_t sobj;
int fd;
/* Used for UART RX */
u32 rx_start;
//u32 rx_bytes;
u32 prxread;
u32 prxwrite;
u32 rxoverlap;
u32 last_update; //tick count when rx byte
u8 recv_buf[UART_RECV_BUFFER_LEN];
u32 tx_start;
u32 tx_bytes;
u8 send_buf[UART_SEND_BUFFER_LEN];
_Sema tx_sema;
_Sema dma_tx_sema;
_Sema action_sema;
}uart_socket_t;
uart_socket_t* uart_open(uart_set_str *puartpara);
int uart_close(uart_socket_t *u);
int uart_read(uart_socket_t *u, void *read_buf, size_t size);
int uart_write(uart_socket_t *u, void *pbuf, size_t size);
#endif //__UART_SOCKET_H_