gps_main.c

来自「usoc在北京博创兴业有限公司的实验平台s3c2410上运行。 2. 各实验的全」· C语言 代码 · 共 106 行

/************************************************
 *  serial communication demo
 *  by Zou jian guo <[e-mail]>   
 *  2003-12-22
 *
*************************************************/

#include <stdio.h>
#include "../inc/gps.h"
#include "../inc/sys/lib.h"
#include "inc/drv/Serial.h"
#include <string.h>
#include "os_cpu.h"
#include "../ucos-ii/includes.h"
#include "../ucos-ii/ucos_ii.h"
#define FALSE 0
#define TRUE 1

volatile int STOP=FALSE;
GPS_INFO gps_info;
int GET_GPS_OK=FALSE;
char GPS_BUF[1024],*rxmsg;
OS_EVENT  *mbox;



#define rULCON2		(*(volatile unsigned *)0x50008000)//p317
#define rUCON2		(*(volatile unsigned *)0x50008004)//p318
#define rUFCON2		(*(volatile unsigned *)0x50008008)//p320
#define rUTRSTAT2		(*(volatile unsigned *)0x50008010)//p322
#define rUERSTAT2		(*(volatile unsigned *)0x50008014)//p323
#define rUFSTAT2		(*(volatile unsigned *)0x50008018)//p324
#define rURXH2		(*(volatile unsigned *)0x50008024)//326
#define rUBRDIV2		(*(volatile unsigned *)0x50008028)//327
/*--------------------------------------------------------*/

/* modem input handler */
void show_gps_info(void * Id)
{   char txmsg;
    INT8U err;
	while(1){
	      //Uart_Printf(0,"\n(3)Enter show_gps_info\n");
	      rxmsg=OSMboxPend(mbox,0,&err);		
		  gps_parse(rxmsg,&gps_info);
		  show_gps(&gps_info);
	      OSTimeDly(50);
          //Uart_Printf(0,"\nenter show_gps_info\n");
	}
     
	
}

/*--------------------------------------------------------*/
/* modem input handler */
void receive(void * Id)
{   
	int i=0,counter=0;
	char c;
    char buf[200];
	GPS_INFO GPS;
    Uart_Init(2,4800);
    OpenUartRev(2);
    hudelay(100);
    mbox=OSMboxCreate((void *)0);
	while (1) {
	
	  	
	  	        while(1){
	  	            //Uart_Printf(0,"\n(2)enter receive\n");
				  	if(c=Uart_Getch(2)){  	   
				    		buf[i++] = c;
				    		
					    	if(i>=200){//防止buf[]越界
					    	i=0;
					    	break;
					    	}
				    	
				    }
				    
				    if(c == '\n'){
					    buf[i]=0;
					    //Uart_Printf(0,"some message over buf[i++]=%s in the Function receive",buf);
				        break;
				    }
				    
				   
				 } //end while(1)  
				 
				
				if(buf[0] == '$'){
					i=0;					
					//Uart_Printf(0,"\n(2)quit receive\n");
				    OSMboxPost(mbox,(void *)buf);
				
				}
			
  	            OSTimeDly(1000);
	   
  	}
}


/*--------------------------------------------------------*/