uartdrv.h

来自「基于东南大学开发的SEP3203的ARM7中的所有驱动」· C头文件 代码 · 共 44 行

#ifndef UARTDRV_H
#define UARTDRV_H

#include "itron.h"
#include "HA_typedef.h"
#include "hardware_reg.h"



#define			UART0_REC			0x00000001L
#define			UART0_TRA			0x00000002L
#define			UART1_REC			0x00000004L
#define			UART1_TRA			0x00000008L

#define			STA_ERR				0x03	//uart interrupt
#define			REC_FUL				0x02
#define			REC_TMO				0x06
#define			TRA_EMP				0x01
#define			MOD_ERR				0x00

#ifndef			FALSE
#define			FALSE				1
#define			TRUE				(!FALSE)
#endif 


#define EN_UART_REC(uart_base)	do{*(RP)UART_IER(uart_base) |= 0x01;}while(0)	//enable receive interrupt; 	
#define DIS_UART_REC(uart_base)	do{*(RP)UART_IER(uart_base) &= 0xfe;}while(0)	//disable receive interrupt;
#define EN_UART_TRA(uart_base)	do{*(RP)UART_IER(uart_base) |= 0x02;}while(0)	//enable transmit interrupt; 	
#define DIS_UART_TRA(uart_base)	do{*(RP)UART_IER(uart_base) &= 0xfd;}while(0)	//disable transmit interrupt;



extern int init_uart(ID devid);
extern int conf_uart(ID devid, unsigned long sysclk, unsigned long baudrate, unsigned long databit, unsigned long trigerlevel);
extern int serv_uart(ID devid);
extern int rec_ful_handler(ID devid);
extern int rec_tmo_handler(ID devid);
extern int tra_emp_handler(ID devid);

extern ER  prints(ID devid, char *s);


#endif