uart.h

来自「COG-VP12864液晶屏驱动代码及对应RTC实例」· C头文件 代码 · 共 40 行

/*********************************************************************************************************/
/*
/*  程序名称: uart1.h

/*  程序用途：Pmon平台下串口 UART1 格式输入输出操作头文件说明

/*  编写日期：2005.11.05
/*  编写人员：凯达电子南京研发部      董亮
/*            
***********************************************************************************************************/


#define  UART_BASE      0xbff80de0 /* uart1基址*/

/* 寄存器地址=基址+偏移量 */
#define r16550RXTX      *(unsigned char *)(UART_BASE+0x0)
#define r16550INTEN     *(unsigned char *)(UART_BASE+0x1)
#define r16550IIFIFO    *(unsigned char *)(UART_BASE+0x2)
#define r16550LCTRL     *(unsigned char *)(UART_BASE+0x3)
#define r16550MCTRL     *(unsigned char *)(UART_BASE+0x4)
#define r16550LSTAT     *(unsigned char *)(UART_BASE+0x5)
#define r16550MSTAT     *(unsigned char *)(UART_BASE+0x6)
#define r16550SCRATCH   *(unsigned char *)(UART_BASE+0x7)
#define r16550DLL       *(unsigned char *)(UART_BASE+0x0)
#define r16550DLM       *(unsigned char *)(UART_BASE+0x1)


/*printf*/
extern void printf(char *fmt,...);

/*scanf*/
extern void test_scanf(char *fmt,...);

/*INIT*/
extern void uart_Init(void);