razzor/ispdown
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This commit is contained in:
Olaf Rempel 2006-05-21 19:42:31 +02:00
commit c4b7c46a38
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7
Makefile Normal file
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all: isp_down
isp_down: isp_down.c
gcc -Wall isp_down.c -o isp_down
clean:
rm -f isp_down

446
isp_down.c Normal file
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#include <fcntl.h>
#include <termios.h>
#include <stdio.h>
#include <string.h>
#define BAUDRATE B38400
struct termios oldtio, newtio;
int ser;
char sign[6][3]=
{0x1E,0x90,0x01, /* AT90S1200 */
0x1E,0x91,0x01, /* AT90S2313 */
0x1E,0x91,0x02, /* AT90S2323 */
0x1E,0x91,0x03, /* AT90S2343 */
0x1E,0x92,0x01, /* AT90S4414 */
0x1E,0x93,0x01}; /* AT90S8515 */
int mem_size[6][2]=
{0x1FF,0x3F, /* AT90S1200 */
0x3FF,0x7F, /* AT90S2313 */
0x3FF,0x7F, /* AT90S2323 */
0x3FF,0x7F, /* AT90S2343 */
0x7FF,0xFF, /* AT90S4414 */
0xFFF,0x1FF}; /* AT90S8515 */
void end_prg(char level);
void show_usage();
main(int argc,char *argv[])
{
int avr_device=5, verify=0, flash=0, eeprom=0;
char arg, ser_device[64]="/dev/ttyS0", flash_file[64]="", eeprom_file[64]="";
unsigned char inbuf[8], outbuf[8], databuf[8];
int fdat, eedat;
unsigned int t;
printf("\n***************************************\n");
printf("* In-System-Programmer for Atmel AVRs *\n");
printf("***************************************\n\n");
if (argc <= 1)
{
show_usage();
end_prg(0);
}
for (arg=1; arg<argc; arg++)
{
/* check AVR-device */
if (!strcmp (argv[arg], "-avr"))
{
if (++arg == argc)
{
printf("ERROR: No AVR-Device\n\n");
end_prg(0);
}
if (!strcmp (argv[arg], "1200"))
avr_device=0;
else if (!strcmp (argv[arg], "2313"))
avr_device=1;
else if (!strcmp (argv[arg], "2323"))
avr_device=2;
else if (!strcmp (argv[arg], "2343"))
avr_device=3;
else if (!strcmp (argv[arg], "4414"))
avr_device=4;
else if (!strcmp (argv[arg], "8515"))
avr_device=5;
else
{
printf("ERROR: Unknown AVR-Device\n");
end_prg(0);
}
}
/* check RS232 device */
else if (!strcmp (argv[arg], "-dev"))
{
if (++arg == argc)
{
printf(" ERROR: No RS232-device\n");
end_prg(0);
}
strcpy (ser_device, argv[arg]);
}
/* check flash */
else if (!strcmp (argv[arg], "-flash"))
flash=1;
/* check eeprom */
else if (!strcmp (argv[arg], "-eeprom"))
eeprom=1;
/* check verify */
else if (!strcmp (argv[arg], "-verify"))
verify=1;
/* get flash-file */
else if (flash == 1)
{
strcpy (flash_file, argv[arg]);
flash=2;
}
/* get eeprom-file */
else if (eeprom == 1)
{
strcpy (eeprom_file, argv[arg]);
eeprom=2;
}
/* wrong parameter */
else
{
printf(" ERROR: Unknown parameter\n");
end_prg(0);
}
}
/* check flash-file */
if (flash == 1)
{
printf (" ERROR: No FLASH-file\n");
end_prg(0);
}
/* check eeprom-file */
if (eeprom == 1)
{
printf (" ERROR: No EEPROM-file\n");
end_prg(0);
}
/* open rs232-device */
printf(" Opening %s -----> ", ser_device);
ser = open(ser_device, O_RDWR | O_NOCTTY );
if (ser <0)
{
printf("ERROR: Wrong (?) RS232-device\n");
end_prg(0);
}
printf("OK\n");
/* save rs232 settings */
tcgetattr(ser,&oldtio); /* save current port settings */
bzero(&newtio, sizeof(newtio));
newtio.c_cflag = BAUDRATE | CRTSCTS | CS8 | CLOCAL | CREAD;
newtio.c_iflag = IGNPAR;
newtio.c_oflag = 0;
newtio.c_lflag = 0; /* set input mode (non-canonical, no echo,...) */
newtio.c_cc[VTIME] = 0; /* inter-character timer unused */
newtio.c_cc[VMIN] = 1; /* blocking read until 5 chars received */
tcflush(ser, TCIFLUSH);
tcsetattr(ser,TCSANOW,&newtio);
/* detecting avr-isp adapter */
printf(" Detecting ISP ----------> ");
write (ser,"S",1);
read (ser,inbuf,7);
inbuf[7]=0x00;
if (!strcmp(inbuf, "AVR ISP"))
printf ("OK\n");
else
{
printf("ERROR: No response\n");
end_prg(1);
}
/* set avr-device in avr-isp adapter */
switch (avr_device)
{
case 0: printf(" Set device AT90S1200 ---> ");
outbuf[1]=0x12;
break;
case 1: printf(" Set device AT90S2313 ---> ");
outbuf[1]=0x00;
break;
case 2: printf(" Set device AT90S2323 ---> ");
outbuf[1]=0x00;
break;
case 3: printf(" Set device AT90S2343 ---> ");
outbuf[1]=0x00;
break;
case 4: printf(" Set device AT90S4414 ---> ");
outbuf[1]=0x00;
break;
case 5: printf(" Set device AT90S8515 ---> ");
outbuf[1]=0x38;
break;
}
outbuf[0]=0x54;
write (ser,outbuf,2);
read (ser,inbuf,1);
if (inbuf[0]==0x0D)
printf("OK\n");
else
{
printf("ERROR: No response\n");
end_prg(1);
}
/* enter programming mode */
printf(" Set Prg Mode -----------> ");
write (ser,"P",1);
read (ser,inbuf,1);
if (inbuf[0]==0x0D)
printf("OK\n");
else
{
printf("Error: No Response\n");
end_prg(1);
}
/* switch on red LED */
write (ser,"x",1);
read (ser,inbuf,1);
/* check the signature */
printf(" Checking Signature -----> ");
write (ser,"s",1);
read (ser,inbuf,3);
if (sign[avr_device][0] == inbuf[0] && sign[avr_device][1] == inbuf[1] && sign[avr_device][2] == inbuf[2])
printf ("OK\n");
else
{
printf("Wrong Signature ");
printf ("%2.2X %2.2X %2.2X\n",inbuf[0], inbuf[1], inbuf[2]);
end_prg(2);
}
/* clear the chip */
printf(" Erase FLASH & EEPROM ---> ");
write (ser,"e",1);
read (ser,inbuf,1);
if (inbuf[0]==0x0D)
printf("OK\n");
else
{
printf("Error: No Response\n");
end_prg(2);
}
printf(" Reseting AVR-Device ----> ");
write (ser,"L",1);
read (ser,inbuf,1);
if (inbuf[0]!=0x0D)
{
printf("Error: No Response\n");
write (ser,"y",1);
read (ser,inbuf,1);
end_prg(2);
}
write (ser,"P",1);
read (ser,inbuf,1);
if (inbuf[0]==0x0D)
printf("OK\n");
else
{
printf("Error: No Response\n");
write (ser,"y",1);
read (ser,inbuf,1);
end_prg(2);
}
if (flash == 1)
{
printf(" Writing FLASH DATA -----> ");
fdat = open(flash_file, O_RDWR);
if (fdat <0)
{
printf("<%s> not found\n", flash_file);
}
else
{
t=0;
while (read (fdat,databuf,2) == 2 && t < 4096)
{
outbuf[0]=0x41;
outbuf[1]=(unsigned char)(t>>8) & 0xFF;
outbuf[2]=(unsigned char)t & 0xFF;
write (ser,outbuf,3);
read (ser,inbuf,1);
outbuf[0]=0x63; //Lowbyte
outbuf[1]=databuf[0];
write (ser,outbuf,2);
read (ser,inbuf,1);
outbuf[0]=0x43; //Highbyte
outbuf[1]=databuf[1];
write (ser,outbuf,2);
read (ser,inbuf,1);
t++;
}
close (fdat);
printf("%4.4Xh Bytes\n",t*2);
}
}
if (verify == 1 && flash == 1)
{
printf(" Verify FLASH DATA ------> ");
fdat = open(flash_file, O_RDWR);
if (fdat <0)
{
printf("<%s> not found\n", flash_file);
}
else
{
t=0;
while (read (fdat,databuf,2) == 2 && t < 4096)
{
outbuf[0]=0x41;
outbuf[1]=(unsigned char)(t>>8) & 0xFF;
outbuf[2]=(unsigned char)t & 0xFF;
write (ser,outbuf,3);
read (ser,inbuf,1);
write (ser,"R",1);
read (ser,inbuf,2);
if (inbuf[0]!=databuf[1] || inbuf[1]!=databuf[0])
printf("Verify Error %4.4X: %2.2X.%2.2X - %2.2X.%2.2X\n", t, databuf[1], databuf[0], inbuf[0], inbuf[1]);
t++;
}
close (fdat);
printf("%4.4Xh Bytes\n",t*2);
}
}
if (eeprom == 1)
{
printf(" Writing EEPROM DATA ----> ");
eedat = open(eeprom_file, O_RDWR);
if (eedat <0)
{
printf("<%s> not found\n", eeprom_file);
}
else
{
t=0;
while (read (eedat,databuf,1) == 1 && t < 512)
{
outbuf[0]=0x41;
outbuf[1]=(unsigned char)(t>>8) & 0xFF;
outbuf[2]=(unsigned char)t & 0xFF;
write (ser,outbuf,3);
read (ser,inbuf,1);
outbuf[0]=0x44;
outbuf[1]=databuf[0];
write (ser,outbuf,2);
read (ser,inbuf,1);
t++;
}
close (eedat);
printf("%4.4Xh Bytes\n",t);
}
}
if (verify == 1 && eeprom == 1)
{
printf(" Verify EEPROM DATA -----> ");
eedat = open(eeprom_file, O_RDWR);
if (eedat <0)
{
printf("<%s> not found\n", eeprom_file);
}
else
{
t=0;
while (read (eedat,databuf,1) == 1 && t < 512)
{
outbuf[0]=0x41;
outbuf[1]=(unsigned char)(t>>8) & 0xFF;
outbuf[2]=(unsigned char)t & 0xFF;
write (ser,outbuf,3);
read (ser,inbuf,1);
outbuf[0]=0x64;
write (ser,outbuf,1);
read (ser,inbuf,1);
if (inbuf[0]!=databuf[0])
printf("Verify Error %4.4X: %2.2X - %2.2X\n", t, databuf[0], inbuf[0]);
t++;
}
close (eedat);
printf("%4.4Xh Bytes\n",t);
}
}
printf(" Leave Prg Mode ---------> ");
write (ser,"L",1);
read (ser,inbuf,1);
if (inbuf[0]==0x0D)
printf("OK\n");
else
{
printf("Error: No Response\n");
write (ser,"y",1);
read (ser,inbuf,1);
end_prg(2);
}
end_prg(2);
}
void end_prg(char level)
{
switch (level)
{
case 2: write (ser,"y",1);
read (ser,0,1);
case 1: tcsetattr(ser,TCSANOW,&oldtio);
case 0: printf("\n***************************************\n\n");
}
exit (-1);
}
void show_usage()
{
printf("USAGE:\n");
printf(" isp_down [OPTIONS] <flash-file> <eeprom-file>\n\n");
printf("OPTIONS:\n");
printf(" -avr <num> selects AVR-device\n");
printf(" 1200 -> AT90S1200 1kB FLASH / 64 bytes EEPROM\n");
printf(" 2313 -> AT90S2313 2kB FLASH / 128 bytes EEPROM\n");
printf(" 2323 -> AT90S2323 2kB FLASH / 128 bytes EEPROM\n");
printf(" 2343 -> AT90S2343 2kB FLASH / 128 bytes EEPROM\n");
printf(" 4414 -> AT90S4414 4kB FLASH / 256 bytes EEPROM\n");
printf(" 8515 -> AT90S8515 8kB FLASH / 512 bytes EEPROM (default)\n\n");
printf(" -dev <dev> selects RS232-device (default: /dev/ttyS0)\n");
printf(" -flash Write (1st) file to FLASH\n");
printf(" -eeprom Write (2nd) file to EEPROM\n");
printf(" -verify Verify writing\n");
end_prg(0);
}