uart.c

串行存储芯片AT45DB161B的驱动程序

#ifndef __UART_C__
#define __UART_C__
#include <config.h>
extern uchar idata Data_Pkg[MAX_NUM];      
extern uchar idata Command[CMD_MAX_NUM];
extern uchar idata Buffer[BUFFER_NUM];
extern uchar data  Ptr_i,Ptr_j;         
extern uchar data  buffer_empty,buffer_ful;
void uart_init(void)
{  /*猧疭瞯19200,22.1184MHZ*/
	EA = 0;
	ES = 0;
	TMOD = 0x21;
	SCON = 0x50;
	TH1 = 0xfd;
	TL1 = 0xfd;
	TCON = 0x44;
}
void uart_interrupt(void) interrupt 4
{
   
    if (RI)
       {  
          RI = 0;                   /*