jflash.cpp

ARM 10 KEYPAD DESIGN

    //----------------------------------------------
    if(rw == READ)
	{
		if(Debug_Mode)
        	printf("Read Mode\n");

//		mem_rw_mode(READ);
        set_pin_chip_select(address);
	}

    //----------------------------------------------
	else if(rw == WRITE)
	{
		if(Debug_Mode)
        	printf("Write Mode\n");

        mem_write_enable(ENABLE);
		mem_output_enable(DISABLE);
        mem_data_driver(DRIVE);
        set_pin_chip_select(address);
        set_data(data);
	}
    
    //----------------------------------------------
	else if(rw == SETUP || rw == HOLD)	// just like a write except WE, WE needs setup time
	{
		if(Debug_Mode)
        	printf("Setup or Hold Mode\n");

		mem_output_enable(DISABLE);
        mem_data_driver(DRIVE);
		set_data(data);
	}
    //----------------------------------------------
	else if(rw == RS)	// setup prior to RD_nWR_OUT
	{
		if(Debug_Mode)
        	printf("RS Mode\n");

        mem_output_enable(DISABLE);
	}
	else if(rw == K3)
		clear_chip_selects();

    // Common finish

    putp(1,0,IP);	//Run-Test/Idle
	putp(1,0,IP);	//Run-Test/Idle
	putp(1,0,IP);	//Run-Test/Idle
	putp(1,0,IP);	//Run-Test/Idle
	putp(1,1,IP);	//select DR scan
	putp(1,0,IP);	//capture DR
	putp(1,0,IP);	//shift IR ---> (Rami: should be DR?)


	int out_dat[MAX_CHAIN_LENGTH];

	for(device = DEVICES_IN_CHAIN -1 ; device >= 0; device--)
	{
		if(device == DEVICE_CONTROLLER)
		{
			for(i = 1; i < ChainLength; i++)	// shift write data in to JTAG port and read data out
				out_dat[i] = putp(pin[i-1],0,rp);
//			for(i = 0; i < ChainLength; i++)	// shift write data in to JTAG port and read data out
//				out_dat[i] = putp(pin[i],0,rp);

		}
		else
		{
			putp(0,0,IP); // extra clicks for devices in the chain
		} 
	}

#ifdef serious_error
    if(Debug_Mode)
    {
		for(i = 1; i < ChainLength; i++)	
		{
    		if(rw == READ)
			{
				if(i%30 == 0) printf("\n");
				printf(" %d", out_dat[i]);
			}
		}
		printf("\n");
	}
#endif

	putp(0,1,IP);	//Exit1-DR
	putp(1,1,IP);	//Update-DR
	putp(1,0,IP);	//Run-Test/Idle
	putp(1,0,IP);	//Run-Test/Idle
	putp(1,0,IP);	//Run-Test/Idle

	DWORD busdat = 0;

	for(i = 0; i < 32; i++)	// convert serial data to single DWORD
		busdat = busdat | ((DWORD)(out_dat[input_dat_order[i]] << i));
    
    //extest();
	IR_Command(IR_Extest);

	if(Debug_Mode)
	{
    printf("just before return\n");
    dump_chain();
	}

    return(busdat);
}

/*
*******************************************************************************
*
* FUNCTION:         test_port
*
* DESCRIPTION:      Searches for a valid parallel port
*
* INPUT PARAMETERS: void
*
* RETURNS:          int - Address of the port or zero if none available
*
*******************************************************************************
*/

int test_port(void)
{
	// search for valid parallel port
	if (io_access_on(LPT1)){
		_outp(LPT1, 0x55);
		if((int)_inp(LPT1) == 0x55)
        {
            if(Debug_Mode)
            	printf("Parallel Com port found at I/O address: %X\n", LPT1);

            return LPT1;
        }
	}
	if (io_access_on(LPT2)){
		_outp(LPT2, 0x55);
		if((int)_inp(LPT2) == 0x55)
        {
            if(Debug_Mode)
            	printf("Parallel Com port found at I/O address: %X\n", LPT2);
           
            return LPT2;
		}
	}
	if (io_access_on(LPT3)){
        _outp(LPT3, 0x55);
		if((int)_inp(LPT3) == 0x55)
        {
            if(Debug_Mode)
            	printf("Parallel Com port found at I/O address: %X\n", LPT3);
            
            return LPT3;
        }
	}
        
	return(0);	// return zero if none found
}
/*
*******************************************************************************
*
* FUNCTION:         check_id
*
* DESCRIPTION:      Compare an ID string returned from the device with the expected string.
*
* INPUT PARAMETERS: char * device_id - a pointer to the string returned from the device
*
* RETURNS:          int - 0 if ID matches expected, -1 if a match fails
*
*******************************************************************************
*/

int check_id(char *device_id)
{
	// compare passed device ID to the one returned from the ID command
	char in_id[40];
	BOOL error_flag = FALSE;

	if(DEVICES_IN_CHAIN > 1)
		putp(1,0,IGNORE_PORT); // this is a bug fudge factor - look into this
	
	
	for(int i = 34; i >= 0; i--)
	{
		// skip over the spaces in the ID string
        if(i == 4 || i == 21 || i == 33)
		{
			in_id[i] = ' ';
			i--;
		}
        
		if(putp(1,0,READ_PORT) == 0)
			in_id[i] = '0';
		else
			in_id[i] = '1';

		if((in_id[i] != *(device_id + i)) && (*(device_id + i) != '*'))
		{
			error_flag = TRUE;
			
		}
	}
	in_id[35] = 0;

	
	if(error_flag)
	{
		printf("error, failed to read device ID\n");
		printf("check cables and power\n");
		printf("ACT: %s\n",in_id);
		printf("EXP: %s\n\n",device_id);
		return -1;
	}

	int revision =	(int)(in_id[0] - '0') * 8 +
					(int)(in_id[1] - '0') * 4 +
					(int)(in_id[2] - '0') * 2 +
					(int)(in_id[3] - '0');

	switch(revision)	   
	{
		case 0: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID0][0]); 
			break;
		case 1: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID1][0]); 
			break;
		case 2: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID2][0]); 
			break;
		case 3: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID3][0]); 
			break;
		case 4: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID4][0]); 
			break;
		case 5: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID5][0]); 
			break;
		case 6: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID6][0]); 
			break;
		case 7: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID7][0]); 
			break;
		case 8: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID8][0]); 
			break;
		case 9: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID9][0]); 
			break;
		case 10: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID10][0]); 
			break;
		case 11: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID11][0]); 
			break;
		case 12: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID12][0]); 
			break;
		case 13: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID13][0]); 
			break;
		case 14: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID14][0]); 
			break;
		case 15: 
			printf("%s revision %s\n", &WORDARRAY[p_processor][0], &WORDARRAY[p_CID15][0]); 
			break;

		default: printf("Unknown revision number. Out of range!");	// should never get here
	}

	return 0;
}
/*
*******************************************************************************
*
* FUNCTION:         error_out
*
* DESCRIPTION:      generic error printout and program exit.
*
* INPUT PARAMETERS: char * error_string to print before exit
*
* RETURNS:          void
*
* GLOBAL EFFECTS:   Exits the program
*******************************************************************************
*/

void error_out(char *error_string)
{
	printf("%s\n",error_string);
	
	if(Debug_Mode)
	{
		// analyze failure
		printf("\n\nF A I L	U R E    A N A L Y S I S\n\n");
		printf("Processor ID:       %s\n", (DebugProgress & foundProcID) ? "Found" : "Not Found");
		printf("Flash ID:           %s\n", (DebugProgress & foundFlashID) ? "Found" : "Not Found");
		printf("Flash Lock Status:  %s\n", (DebugProgress & unlockedFlash) ? "Unlocked" : "Not Unlocked");
		printf("Verification:       %s\n", (DebugProgress & firstWordVerified) ? "Some Data Verified" : "No Data Verified");
		printf("Flash Erase Status: %s\n\n", (DebugProgress & eraseSuccess) ? "Erased" : "Not Erased");
		
		if(foundProcID & ~DebugProgress)	
		{	
			printf("You have a serious failure.\n");
			printf("The ID of the processor was not detected.\n");
			printf("Check all cable attachments.\n");
			printf("Check for power on Pin 1 of your JTAG connector.\n");
			printf("Check seating of processor and cards in sockets or connectors\n");
			printf("If the bits for the ID string appear to be shifted left or right,\n");
			printf("  then you probably have a JTAG routing switch set in the wrong state.\n");
			printf("If the ACTual bits are all 0s or 1s, you may have a\n");
			printf(   "cable or a power problem on this board.\n");  
		}
		else if(foundFlashID & ~DebugProgress)	
		{	
			printf("You cannot read the flash ID.\n");
			printf("You can read the Processor ID.\n");
			printf("This means that you have some power and cabling looks OK.\n");
			printf("Check all voltages on the flash and processor devices.\n");	
			printf("You have power on the processor chip and at least a few other connections.\n");
			printf("You may have a bad memory bus connection.\n");
			printf("You may be missing a flash data file for this memory type.\n");
			printf("You may have a badly connected flash memory device.\n");
			printf("You may have a bad flash memory.\n");
		}
		else if(unlockedFlash & ~DebugProgress)	
		{	
			printf("You cannot unlock the flash.\n");
			printf("You can read the Processor ID.\n");
			printf("You can read the Flash ID.\n");
			printf("This means that you have some power and cabling looks OK.\n");
			printf("You most likely have a functional memory bus.\n");
			printf("The debug log will show the last Status word from the flash \n");
			printf("  just before this message. Check this value in the Flash Datasheet\n");
			printf("  for clues about the state of the flash.\n"); 
			printf("Check all voltages on the flash and processor devices.\n");	
			printf("You may have a badly connected flash memory device.\n");
			printf("You may have a bad flash memory.\n");
		}
		else if(eraseSuccess & ~DebugProgress)	
		{	
			printf("You are unable to erase the flash.\n");
			printf("You can read the Processor ID.\n");
			printf("You can read the Flash ID.\n");
			printf("You can unlock the flash.\n");
			printf("This means that you have some power and cabling looks OK.\n");
			printf("You most likely have a functional memory bus.\n");
			printf("The debug log will show the last Status word from the flash \n");
			printf("  just before this message. Check this value in the Flash Datasheet\n");
			printf("  for clues about the state of the flash.\n"); 
			printf("Check all voltages on the flash and processor devices.\n");	
			printf("You may have a badly connected flash memory device.\n");
			printf("You may have a bad flash memory.\n");

		}
		else if(firstWordVerified & ~DebugProgress)	
		{	
			printf("You have at least one data word verified.\n");
			printf("You can read the Processor ID.\n");
			printf("You can read the Flash ID.\n");
			printf("You can unlock the flash.\n");
			printf("You can erase the flash.\n");
			printf("This means that you have some power and cabling looks OK.\n");
			printf("You most likely have a functional memory bus.\n");
			printf("You probably got some other verify error.\n");
			printf("Check the actual and expected data values for clues \n");
			printf("  indicating open or shorted data lines.\n");
			printf("Check all voltages on the flash and processor devices.\n");	
			printf("You may have a badly connected flash memory device.\n");
			printf("You may have a bad flash memory.\n");
		}
		else 
		{	
			printf("No data was verified to be programmed.\n");
			printf("You can read the Processor ID.\n");
			printf("You can read the Flash ID.\n");
			printf("You can unlock the flash.\n");
			printf("You can erase the flash.\n");
			printf("This means that you have some power and cabling looks OK.\n");
			printf("You most likely have a functional memory bus.\n");
			printf("You probably did not actually program anything into flash memory.\n");
			printf("Check the actual and expected data values for clues \n");
			printf("  indicating open or shorted data lines.\n");
			printf("Check all voltages on the flash and processor devices.\n");	
			printf("You may have a badly connected flash memory device.\n");
			printf("You may have a bad flash memory.\n");

		}

	}
	exit(1);
}

/*
*******************************************************************************
*
* FUNCTION:         program_flash
*
* DESCRIPTION:      program the flash using buffered writes
*
* INPUT PARAMETERS: DWORD max_write_buffer derived from the flash query
*                  DWORD base_address
*                   DWORD fsize (flash size)
*
* RETURNS:          void
*
*******************************************************************************
*/

void program_flash(DWORD max_write_buffer, DWORD base_address, DWORD fsize)
{
	time_t start = 0;
	time_t now = 0;
	WORD li_WORD;
	DWORD lj;
	DWORD li_DWORD;
	DWORD write_word_count;
//	int bus_width;
//	DWORD Status;
	printf("Starting programming\n");

	if(!strcmp("WORD", &WORDARRAY[P_progmode][0] ))
	{
		printf("Using WORD programming mode...\n");

	   	printf("Writing flash at hex address %8lx, %5.2f%% done    \r", 0L, (float)0);
		fflush(stdout);
		time(&start);
		for(lj = base_address; lj < fsize + base_address; lj = lj +1)
		{
			
			time(&now);
			if(difftime(now,start) > STATUS_UPDATE)	// Update status every 2 seconds
				{
			   	printf("Writing flash at hex address %8lx, %5.2f%% done    \r"
					,lj * ADDR_MULT ,(float)(lj - base_address)/(float)fsize*100.0);
				fflush(stdout);
				time(&start);
				}

			if(!PlatformIs16bit)
			{
				fread((DWORD *)&li_DWORD, sizeof(DWORD) , 1, in_file);
				access_rom(WRITE, lj, F_WORDBYTE_PROG, IGNORE_PORT); 
				access_rom(HOLD, lj, F_WORDBYTE_PROG, IGNORE_PORT);
				access_rom(WRITE, lj, li_DWORD, IGNORE_PORT);