static void buspirate_enable(struct programmer_t *pgm)
{
unsigned char *reset_str = "#\n";
unsigned char *accept_str = "y\n";
char *rcvd;
int rc, print_banner = 0;
/* Ensure configuration is self-consistant: */
if (buspirate_verifyconfig(pgm)<0)
exit(1);
/* Attempt to start binary SPI mode unless explicitly told otherwise: */
if (!buspirate_uses_ascii(pgm)) {
fprintf(stderr, "Attempting to initiate BusPirate binary mode...\n");
/* Send two CRs to ensure we're not in a sub-menu of the UI if we're in ASCII mode: */
buspirate_send_bin(pgm, "\n\n", 2);
/* Clear input buffer: */
serial_drain(&pgm->fd, 0);
/* Attempt to enter binary mode: */
if (buspirate_start_spi_mode_bin(pgm) >= 0)
return;
else
fprintf(stderr, "%s: Failed to start binary SPI mode, falling back to ASCII...\n", progname);
}
fprintf(stderr, "Attempting to initiate BusPirate ASCII mode...\n");
/* Call buspirate_send_bin() instead of buspirate_send()
* because we don't know if BP is in text or bin mode */
rc = buspirate_send_bin(pgm, reset_str, strlen(reset_str));
if (rc) {
fprintf(stderr, "BusPirate is not responding. Serial port error: %d\n", rc);
exit(1);
}
while(1) {
rcvd = buspirate_readline_noexit(pgm, NULL, 0);
if (! rcvd) {
fprintf(stderr, "%s: Fatal: Programmer is not responding.\n", progname);
exit(1);
}
if (strncmp(rcvd, "Are you sure?", 13) == 0) {
buspirate_send_bin(pgm, accept_str, strlen(accept_str));
}
if (strncmp(rcvd, "RESET", 5) == 0) {
print_banner = 1;
continue;
}
if (buspirate_is_prompt(rcvd)) {
puts("**");
break;
}
if (print_banner)
fprintf(stderr, "** %s", rcvd);
}
if (!(pgm->flag & BP_FLAG_IN_BINMODE)) {
fprintf(stderr, "BusPirate: using ASCII mode\n");
if (buspirate_start_spi_mode_ascii(pgm) < 0) {
fprintf(stderr, "%s: Failed to start ascii SPI mode\n", progname);
exit(1);
}
}
}
static void buspirate_enable(struct programmer_t *pgm)
{
unsigned char *reset_str = "#\n";
unsigned char *accept_str = "y\n";
char *rcvd;
int fw_v1 = 0, fw_v2 = 0;
int rc, print_banner = 0;
fprintf(stderr, "Detecting BusPirate...\n");
/* Call buspirate_send_bin() instead of buspirate_send()
* because we don't know if BP is in text or bin mode */
rc = buspirate_send_bin(pgm, reset_str, strlen(reset_str));
if (rc) {
fprintf(stderr, "BusPirate is not responding. Serial port error: %d\n", rc);
exit(1);
}
while(1) {
rcvd = buspirate_readline_noexit(pgm, NULL, 0);
if (! rcvd) {
fprintf(stderr, "BusPirate is not responding. Attempting reset.\n");
buspirate_reset_from_binmode(pgm);
/* re-run buspirate_enable() */
buspirate_enable(pgm);
return;
}
if (strncmp(rcvd, "Are you sure?", 13) == 0) {
buspirate_send_bin(pgm, accept_str, strlen(accept_str));
}
if (strncmp(rcvd, "RESET", 5) == 0) {
print_banner = 1;
continue;
}
if (buspirate_is_prompt(rcvd)) {
puts("**");
break;
}
sscanf(rcvd, "Bus Pirate %9s", PDATA(pgm)->hw_version);
sscanf(rcvd, "Firmware v%d.%d", &fw_v1, &fw_v2);
if (print_banner)
fprintf(stderr, "** %s", rcvd);
}
PDATA(pgm)->fw_version = 100 * fw_v1 + fw_v2;
if (PDATA(pgm)->hw_version[0] == 0 || PDATA(pgm)->fw_version == 0) {
fprintf(stderr, "BusPirate not detected. Aborting.\n");
exit(1);
}
if (buspirate_verifyconfig(pgm) < 0)
exit(1);
if (PDATA(pgm)->fw_version >= FW_BINMODE_VER && !(pgm->flag & BP_FLAG_XPARM_FORCE_ASCII)) {
fprintf(stderr, "BusPirate: using BINARY mode\n");
if (buspirate_start_spi_mode_bin(pgm) < 0)
fprintf(stderr, "%s: Failed to start binary SPI mode\n", progname);
}
if (!pgm->flag & BP_FLAG_IN_BINMODE) {
fprintf(stderr, "BusPirate: using ASCII mode\n");
if (buspirate_start_spi_mode_ascii(pgm) < 0) {
fprintf(stderr, "%s: Failed to start ascii SPI mode\n", progname);
exit(1);
}
}
}