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251
isp_down.c
251
isp_down.c
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@ -3,143 +3,110 @@
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#include <stdio.h>
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#include <string.h>
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//#define BAUDRATE B115200
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//#define BAUDRATE B57600
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#define BAUDRATE B38400
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#define BAUDRATE B115200
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unsigned char sign[6][3]=
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{0x00,0x90,0x1E, /* AT90S1200 tested 05.04.2001 */
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0x01,0x91,0x1E, /* AT90S2313 tested 21.02.2001 */
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0x02,0x91,0x1E, /* AT90S2323 */
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0x03,0x91,0x1E, /* AT90S2343 */
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0x01,0x92,0x1E, /* AT90S4414 */
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0x01,0x93,0x1E}; /* AT90S8515 tested 12.11.2001 */
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struct chip_ {
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char shortname[8];
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char longname[16];
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char signatur[3];
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int flash_size;
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int eeprom_size;
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};
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unsigned int mem_size[6][2]=
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{0x1FF,0x3F, /* AT90S1200 tested 05.04.2001 */
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0x3FF,0x7F, /* AT90S2313 tested 21.02.2001 */
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0x3FF,0x7F, /* AT90S2323 */
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0x3FF,0x7F, /* AT90S2343 */
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0x7FF,0xFF, /* AT90S4414 */
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0xFFF,0x1FF}; /* AT90S8515 tested 12.11.2001*/
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typedef struct chip_ CHIP;
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struct termios oldtio, newtio;
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int ser;
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CHIP chips[] = {
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{ "1200", "AT90S1200", { 0x00, 0x90, 0x1E }, 0x200, 0x40 },
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{ "2313", "AT90S2313", { 0x01, 0x91, 0x1E }, 0x400, 0x80 },
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{ "8515", "AT90S8515", { 0x01, 0x93, 0x1E }, 0x1000, 0x200 },
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{ "\0", "\0", {0, 0, 0}, 0, 0 }
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};
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void end_prg(char level);
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void show_usage();
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main(int argc,char *argv[])
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int main(int argc, char *argv[])
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{
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int avr_device=5, verify=0, flash=0, eeprom=0, reset=0;
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char arg, ser_device[64]="/dev/ttyS0", flash_file[64]="", eeprom_file[64]="";
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char arg;
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unsigned char inbuf[8], outbuf[8], databuf[8];
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int fdat, eedat;
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unsigned int t;
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printf("\n***************************************\n");
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printf("* In-System-Programmer for Atmel AVRs *\n");
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printf("***************************************\n\n");
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if (argc <= 1)
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{
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show_usage();
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end_prg(0);
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}
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for (arg=1; arg<argc; arg++)
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{
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/* check AVR-device */
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if (!strcmp (argv[arg], "-avr"))
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{
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if (++arg == argc)
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{
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printf("ERROR: No AVR-Device\n\n");
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end_prg(0);
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}
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if (!strcmp (argv[arg], "1200"))
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avr_device=0;
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else if (!strcmp (argv[arg], "2313"))
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avr_device=1;
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else if (!strcmp (argv[arg], "2323"))
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avr_device=2;
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else if (!strcmp (argv[arg], "2343"))
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avr_device=3;
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else if (!strcmp (argv[arg], "4414"))
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avr_device=4;
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else if (!strcmp (argv[arg], "8515"))
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avr_device=5;
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else
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{
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printf("ERROR: Unknown AVR-Device\n");
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end_prg(0);
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}
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}
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/* check RS232 device */
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else if (!strcmp (argv[arg], "-dev"))
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{
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if (++arg == argc)
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{
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printf(" ERROR: No RS232-device\n");
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end_prg(0);
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}
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strcpy (ser_device, argv[arg]);
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}
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/* check flash */
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else if (!strcmp (argv[arg], "-flash"))
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flash=1;
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/* check eeprom */
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else if (!strcmp (argv[arg], "-eeprom"))
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eeprom=1;
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/* check verify */
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else if (!strcmp (argv[arg], "-verify"))
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verify=1;
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/* check reset */
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else if (!strcmp (argv[arg], "-reset"))
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reset=1;
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/* get flash-file */
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else if (flash == 1)
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{
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strcpy (flash_file, argv[arg]);
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flash=2;
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}
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/* get eeprom-file */
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else if (eeprom == 1)
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{
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strcpy (eeprom_file, argv[arg]);
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eeprom=2;
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}
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/* wrong parameter */
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else
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{
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printf(" ERROR: Unknown parameter\n");
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end_prg(0);
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}
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}
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printf("\nISP for Atmel-AVRs:\n");
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if (argc <= 1) {
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show_usage();
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exit(-1);
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}
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for (arg= 1; arg<argc; arg++) {
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if (!strcmp (argv[arg], "-avr")) {
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/* check AVR-device */
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if (++arg == argc) {
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printf("ERROR: No AVR-Device\n\n");
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exit(-1);
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}
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if (!strcmp (argv[arg], "1200"))
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avr_device=0;
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else if (!strcmp (argv[arg], "2313"))
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avr_device=1;
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else if (!strcmp (argv[arg], "2323"))
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avr_device=2;
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else if (!strcmp (argv[arg], "2343"))
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avr_device=3;
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else if (!strcmp (argv[arg], "4414"))
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avr_device=4;
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else if (!strcmp (argv[arg], "8515"))
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avr_device=5;
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else {
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printf("ERROR: Unknown AVR-Device\n");
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exit(-1);
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}
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} else if (!strcmp (argv[arg], "-dev")) {
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/* check RS232 device */
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if (++arg == argc) {
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printf(" ERROR: No RS232-device\n");
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exit(-1);
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}
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strcpy (ser_device, argv[arg]);
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} else if (!strcmp (argv[arg], "-flash")) {
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/* check flash */
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flash= 1;
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} else if (!strcmp (argv[arg], "-eeprom")) {
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/* check eeprom */
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eeprom= 1;
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} else if (!strcmp (argv[arg], "-verify")) {
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/* check verify */
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verify= 1;
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} else if (!strcmp (argv[arg], "-reset")) {
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/* check reset */
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reset= 1;
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} else if (flash == 1) {
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/* get flash-file */
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strcpy (flash_file, argv[arg]);
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flash= 2;
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} else if (eeprom == 1) {
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/* get eeprom-file */
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strcpy (eeprom_file, argv[arg]);
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eeprom= 2;
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} else {
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/* wrong parameter */
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printf(" ERROR: Unknown parameter\n");
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exit(-1);
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}
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}
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if (flash == 1) {
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/* check flash-file */
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if (flash == 1)
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{
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printf (" ERROR: No FLASH-file\n");
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end_prg(0);
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}
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printf (" ERROR: No FLASH-file\n");
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exit(-1);
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}
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if (eeprom == 1) {
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/* check eeprom-file */
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if (eeprom == 1)
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{
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printf (" ERROR: No EEPROM-file\n");
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end_prg(0);
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}
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/* open rs232-device */
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printf (" ERROR: No EEPROM-file\n");
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exit(-1);
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}
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init_ser(ser_device);
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/* open rs232-device */
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printf(" Opening %s -----> ", ser_device);
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ser = open(ser_device, O_RDWR | O_NOCTTY );
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if (ser <0)
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exit (0);
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}
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void show_usage()
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{
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printf("USAGE:\n");
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printf(" isp_down [OPTIONS] <flash-file> <eeprom-file>\n\n");
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printf("OPTIONS:\n");
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printf(" -avr <num> selects AVR-device\n");
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printf(" 1200 -> AT90S1200 1kB FLASH / 64 bytes EEPROM\n");
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printf(" 2313 -> AT90S2313 2kB FLASH / 128 bytes EEPROM\n");
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printf(" 2323 -> AT90S2323 2kB FLASH / 128 bytes EEPROM\n");
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printf(" 2343 -> AT90S2343 2kB FLASH / 128 bytes EEPROM\n");
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printf(" 4414 -> AT90S4414 4kB FLASH / 256 bytes EEPROM\n");
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printf(" 8515 -> AT90S8515 8kB FLASH / 512 bytes EEPROM (default)\n\n");
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printf(" -dev <dev> selects RS232-device (default: /dev/ttyS0)\n");
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printf(" -flash Write (1st) file to FLASH\n");
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printf(" -eeprom Write (2nd) file to EEPROM\n");
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printf(" -verify Verify writing\n");
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printf(" -reset Only resets AVR\n");
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end_prg(0);
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void show_usage() {
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printf("USAGE:\n");
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printf(" isp_down [OPTIONS] <flash-file> <eeprom-file>\n\n");
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printf("OPTIONS:\n");
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printf(" -avr <num> selects AVR-device\n");
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printf(" 1200 -> AT90S1200 1kB FLASH / 64 bytes EEPROM\n");
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printf(" 2313 -> AT90S2313 2kB FLASH / 128 bytes EEPROM\n");
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printf(" 2323 -> AT90S2323 2kB FLASH / 128 bytes EEPROM\n");
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printf(" 2343 -> AT90S2343 2kB FLASH / 128 bytes EEPROM\n");
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printf(" 4414 -> AT90S4414 4kB FLASH / 256 bytes EEPROM\n");
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printf(" 8515 -> AT90S8515 8kB FLASH / 512 bytes EEPROM (default)\n\n");
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printf(" -dev <dev> selects RS232-device (default: /dev/ttyS0)\n");
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printf(" -flash Write (1st) file to FLASH\n");
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printf(" -eeprom Write (2nd) file to EEPROM\n");
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printf(" -verify Verify writing\n");
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printf(" -reset Only resets AVR\n");
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}
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