www.pudn.com > jtagsrc.rar > main.c

#include  
#include  
 
 
#include "types.h" 
#include "tool.h" 
#include "jtag.h" 
#include "xjerr.h" 
#include "tapctrl.h" 
#include "./arm7tdmi/arm7tdmi.h" 
 
/*  
 * This array is a bin file of an executable program. The source code  
 * comes with this program. Please check the source code under directory 
 * ADS Example. 
 * The RO_BASE = 0x00200000 
 */ 
 
u8 ads[100]= 
{68,0,159,229,255,16,160,227,0,16,128,229,60,0,159,229, 
126,16,160,227,125,32,160,227,123,48,160,227,119,64,160,227, 
238,80,160,227,222,96,160,227,190,112,160,227,0,16,128,229, 
0,32,128,229,0,48,128,229,0,64,128,229,0,80,128,229, 
0,96,128,229,0,112,128,229,254,255,255,234,0,80,255,3, 
8,80,255,3}; 
 
 
int main() 
{ 
	int status; 
	int i; 
	u32 pc; 
 
	//Init ... 
	jtag_init(); 
	tapctrl_init(); 
	arm7tdmi_init(); 
 
/**************************TESTING****************************/ 
	 
	/* 
	 * Enter DEBUG state by force to download debug program 
	 */ 
	status = arm7tdmi_enter_dbgstat(&pc);	 
	if(status != XJ_OK) 
		printf("Failed to enter DEBUG state\n"); 
 
	//Write the program to memory location 0x200000 
	status = arm7tdmi_mem_wri32(0x200000, (u32*)ads, 25);	 
	if(status != XJ_OK) 
		printf("Failed to download program\n");	 
 
	//Before start, set a breakpt @ 0x200000 
	status = arm7tdmi_set_breakpt(0x200000); 
	if(status != XJ_OK) 
		printf("Failed to set breakpt\n");	 
 
	//Exit from DEBUG state and and start the program at 0x200000 
	status = arm7tdmi_exit_dbgstat(0x200000); 
	if(status != XJ_OK) 
		printf("Failed to resume the program\n");	 
 
 
	//Single step debug... 
	for(i = 0; i < 5; ){ 
		Sleep(500); 
 
		//Enter DEBUG state? 
		status = arm7tdmi_check_dbgstat(&pc);   
 
		if(status == XJ_OK){					//Enter DEBUG state by breakpt 
			i++; 
			arm7tdmi_clr_breakpt(pc);			//Clear the breakpt first 
			if(i != 5) 
				arm7tdmi_set_breakpt(pc + 4);	//Set a new breakpt  
			arm7tdmi_exit_dbgstat(pc);			//Resume the program 
		} 
	} 
 
	return 0; 
}