static mp_obj_t py_sensor_snapshot() {
mp_obj_t image = py_image(0, 0, 0, 0);
sensor_snapshot((struct image*) py_image_cobj(image));
return image;
}
void usbdbg_data_out(void *buffer, int length)
{
switch (cmd) {
case USBDBG_SCRIPT_EXEC:
// check if GC is locked before allocating memory for vstr. If GC was locked
// at least once before the script is fully uploaded xfer_bytes will be less
// than the total length (xfer_length) and the script will Not be executed.
if (usbdbg_get_irq_enabled() && !gc_is_locked()) {
vstr_add_strn(&script_buf, buffer, length);
xfer_bytes += length;
if (xfer_bytes == xfer_length) {
// Set script ready flag
script_ready = 1;
// Disable IDE IRQ (re-enabled by pyexec or main).
usbdbg_set_irq_enabled(false);
// interrupt running script/REPL
mp_obj_exception_clear_traceback(mp_const_ide_interrupt);
pendsv_nlr_jump_hard(mp_const_ide_interrupt);
}
}
break;
case USBDBG_TEMPLATE_SAVE: {
image_t image ={
.w = fb->w,
.h = fb->h,
.bpp = fb->bpp,
.pixels = fb->pixels
};
// null terminate the path
length = (length == 64) ? 63:length;
((char*)buffer)[length] = 0;
rectangle_t *roi = (rectangle_t*)buffer;
char *path = (char*)buffer+sizeof(rectangle_t);
int res=imlib_save_image(&image, path, roi);
if (res != FR_OK) {
nlr_raise(mp_obj_new_exception_msg(&mp_type_OSError, ffs_strerror(res)));
}
// raise a flash IRQ to flush image
//NVIC->STIR = FLASH_IRQn;
break;
}
case USBDBG_DESCRIPTOR_SAVE: {
image_t image ={
.w = fb->w,
.h = fb->h,
.bpp = fb->bpp,
.pixels = fb->pixels
};
// null terminate the path
length = (length == 64) ? 63:length;
((char*)buffer)[length] = 0;
rectangle_t *roi = (rectangle_t*)buffer;
char *path = (char*)buffer+sizeof(rectangle_t);
py_image_descriptor_from_roi(&image, path, roi);
break;
}
default: /* error */
break;
}
}
void usbdbg_control(void *buffer, uint8_t request, uint32_t length)
{
cmd = (enum usbdbg_cmd) request;
switch (cmd) {
case USBDBG_FW_VERSION:
xfer_bytes = 0;
xfer_length = length;
break;
case USBDBG_FRAME_SIZE:
xfer_bytes = 0;
xfer_length = length;
break;
case USBDBG_FRAME_DUMP:
xfer_bytes = 0;
xfer_length = length;
break;
case USBDBG_FRAME_LOCK:
xfer_bytes = 0;
xfer_length = length;
break;
case USBDBG_FRAME_UPDATE:
sensor_snapshot(NULL);
cmd = USBDBG_NONE;
break;
case USBDBG_SCRIPT_EXEC:
xfer_bytes = 0;
xfer_length =length;
vstr_reset(&script_buf);
break;
case USBDBG_SCRIPT_STOP:
if (usbdbg_get_irq_enabled()) {
// Disable IDE IRQ (re-enabled by pyexec or main).
usbdbg_set_irq_enabled(false);
// interrupt running code by raising an exception
mp_obj_exception_clear_traceback(mp_const_ide_interrupt);
pendsv_nlr_jump_hard(mp_const_ide_interrupt);
}
cmd = USBDBG_NONE;
break;
case USBDBG_SCRIPT_SAVE:
/* save running script */
break;
case USBDBG_TEMPLATE_SAVE:
case USBDBG_DESCRIPTOR_SAVE:
/* save template */
xfer_bytes = 0;
xfer_length =length;
break;
case USBDBG_ATTR_WRITE: {
/* write sensor attribute */
int16_t attr= *((int16_t*)buffer);
int16_t val = *((int16_t*)buffer+1);
switch (attr) {
case ATTR_CONTRAST:
sensor_set_contrast(val);
break;
case ATTR_BRIGHTNESS:
sensor_set_brightness(val);
break;
case ATTR_SATURATION:
sensor_set_saturation(val);
break;
case ATTR_GAINCEILING:
sensor_set_gainceiling(val);
break;
default:
break;
}
cmd = USBDBG_NONE;
break;
}
case USBDBG_SYS_RESET:
NVIC_SystemReset();
break;
case USBDBG_BOOT:
*((uint32_t *)0x20002000) = 0xDEADBEEF;
NVIC_SystemReset();
break;
case USBDBG_TX_BUF:
case USBDBG_TX_BUF_LEN:
xfer_bytes = 0;
xfer_length = length;
break;
default: /* error */
cmd = USBDBG_NONE;
break;
}
}