int
main (int argc, char **argv)
{
GPPort *p;
KncCntrl *c;
KncCamRes r;
KncInfo ki;
KncImageInfo kii;
KncBitRate br;
KncBitFlag bf;
GPPortSettings s;
printf ("Connecting to camera...\n");
c = gpknc_cntrl_new_from_path ("serial:/dev/ttyS0");
if (!c) {
printf ("... failed.\n");
return 1;
}
knc_cntrl_set_func_data (c, test_data, NULL);
knc_cntrl_set_func_log (c, test_log , NULL);
printf ("... done.\n");
printf ("Setting speed to 115200...\n");
p = gpknc_cntrl_get_port (c);
br = KNC_BIT_RATE_115200;
bf = KNC_BIT_FLAG_8_BITS;
CR (knc_set_io_pref (c, NULL, &br, &bf));
gp_port_get_settings (p, &s);
s.serial.speed = 115200;
gp_port_set_settings (p, s);
printf ("Requesting information about the camera...\n");
CR (knc_get_info (c, &r, &ki));
if (r) printf ("### Error %i: '%s'!\n", r, knc_cam_res_name (r));
else {
printf (" - Model '%s'\n", ki.model);
printf (" - Serial number '%s'\n", ki.serial_number);
printf (" - Name '%s'\n", ki.name);
printf (" - Manufacturer '%s'\n", ki.manufacturer);
}
printf ("Capturing preview...\n");
CR (knc_get_preview (c, &r, KNC_PREVIEW_NO));
printf ("Requesting information about the first image...\n");
CR (knc_get_image_info (c, &r, 1, &kii));
if (r) printf ("### Error 0x%04x: '%s!\n", r, knc_cam_res_name (r));
else {
printf (" - ID %li\n", kii.id);
printf (" - Size %i\n", kii.size);
printf (" - Protected: %s\n", kii.prot ? "yes" : "no");
}
printf ("Downloading preview of first image...\n");
CR (knc_get_image (c, NULL, kii.id, KNC_SOURCE_CARD, KNC_IMAGE_THUMB));
knc_cntrl_unref (c);
return 0;
}
static int
set_speed (Camera *camera, int speed, GPContext *context)
{
GPPortSettings s;
KncCamRes cr;
KncBitRate br;
KncBitFlag bf;
int i;
int speeds[] = {300, 600, 1200, 2400, 4800, 9600, 19200,
38400, 57600, 115200};
C (gp_port_get_settings (camera->port, &s));
if ((s.serial.speed == speed) || (s.serial.speed == 115200))
return (GP_OK);
switch (speed) {
case 0:
/* Set the highest possible speed */
CR (knc_get_io_pref (camera->pl->c, &cr, &br, &bf), context);
CCR (cr, context);
for (i = 9; i >= 0; i--) if ((1 << i) & br) break;
if (i < 0) return (GP_ERROR_IO_SERIAL_SPEED);
speed = speeds[i];
br = 1 << i; break;
case 300 : br = 1 << 0; break;
case 600 : br = 1 << 1; break;
case 1200 : br = 1 << 2; break;
case 2400 : br = 1 << 3; break;
case 4800 : br = 1 << 4; break;
case 9600 : br = 1 << 5; break;
case 19200 : br = 1 << 6; break;
case 38400 : br = 1 << 7; break;
case 57600 : br = 1 << 8; break;
case 115200: br = 1 << 9; break;
default: return (GP_ERROR_IO_SERIAL_SPEED);
}
/* Request the new speed */
bf = KNC_BIT_FLAG_8_BITS;
CR (knc_set_io_pref (camera->pl->c, &cr, &br, &bf), context);
CCR (cr, context);
s.serial.speed = speed;
C (gp_port_set_settings (camera->port, s));
return (GP_OK);
}