bsp_uart.h

使用STR710的SPI接口访问外部EEPROM的例子程序.使用KEIL UV3编译.使用了MDK3.05操作系统.

#ifndef __UART_H__
#define __UART_H__

#include "71x_lib.h"
#define UART_GPRS		4
#define UART_IRDA		3
#define UART_RS232		0
#define UART_RS485_1	1
#define UART_RS485_2	2

#define MAX_UART_RXDBUF_SIZE		4096		// 定义最大的缓冲区长度
#define MC_COMBUF_BLKNUM 			8			// 定义临时缓冲区的数量


#define UART_PARITY_EVEN	0x00
#define UART_PARITY_ODD	0x01
#define UART_PARITY_NO		0x02

#define UART_STOPBITS_0_5	0x00
#define UART_STOPBITS_1	0x01
#define UART_STOPBITS_1_5	0x02
#define UART_STOPBITS_2	0x03

#define UART_MODE_8D   		0x00
#define UART_MODE_7D_P 	0x01
#define UART_MODE_9D		0x02
#define UART_MODE_8D_W	0x03
#define UART_MODE_8D_P		0x04



#define UART0_Rx_Pin (0x0001<<8)   /*  TQFP 64: pin N?63 , TQFP 144 pin N?143 */
#define UART0_Tx_Pin (0x0001<<9)   /*  TQFP 64: pin N?64 , TQFP 144 pin N?144 */

#define UART1_Rx_Pin (0x0001<<10)  /*  TQFP 64: pin N?1  , TQFP 144 pin N?1 */
#define UART1_Tx_Pin (0x0001<<11)  /*  TQFP 64: pin N?2  , TQFP 144 pin N?3 */

#define UART2_Rx_Pin (0x0001<<13)  /*  TQFP 64: pin N?5  , TQFP 144 pin N?9 */
#define UART2_Tx_Pin (0x0001<<14)  /*  TQFP 64: pin N?6  , TQFP 144 pin N?10 */

//#define UART3_Rx_Pin (0x0001<<1)   /*  TQFP 64: pin N?52 , TQFP 144 pin N?123 */
//#define UART3_Tx_Pin (0x0001<<0)   /*  TQFP 64: pin N?53 , TQFP 144 pin N?124 */

// ========================= <<<<<<<< For TCP Protocl Stack >>>>>>> ========================= //
#pragma arm section rwdata = "SRAM",zidata = "SRAM"	   
typedef struct _sr_RXD_buf
{
	u16	in;
	u16	out;
	u8	msg[MAX_UART_RXDBUF_SIZE];
}sr_RXD_buf;
#pragma arm section
// ============================================= <<<<<<< Added by likazhou on 07-04-28>>>>>>> //

void UART_open( u8 UARTn, u32 BaudRate, u8 S_parity, u8 S_stopbits, u8 S_mode );
void Discard_nbyte_rxdbuf( u8 UARTn, u16 num );
void clear_rxdbuf( u8 UARTn );
u16 query_rxdbuf_received_byte( u8 UARTn );
u8 read_byte_from_UARTbuf( u8 UARTn, u16 position );
u16 UART_send_mbytes( u8 UARTn, u8 *send_msg, u16 len );
u16 UART_get_line( u8 UARTn, u8 *msg, u16 max_len, u16 timeout );
void UART_rxd_data( void );
void ISR_RXD_read(u8 channel);
void RS485_MUT_wait(u8 port);
void RS485_MUT_release(u8 port);

#endif