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#include "shared-module/displayio/__init__.h"
#include "shared-bindings/displayio/Display.h"
primary_display_t primary_display;
void displayio_refresh_display(void) {
displayio_display_obj_t* display = &primary_display.display;
if (!displayio_display_frame_queued(display)) {
return;
}
if (displayio_display_refresh_queued(display)) {
PORT->Group[1].DIRSET.reg = 1 << 22;
// We compute the pixels
uint16_t x0 = 0;
uint16_t y0 = 0;
uint16_t x1 = display->width;
uint16_t y1 = display->height;
size_t index = 0;
//size_t row_size = (x1 - x0);
uint16_t buffer_size = 256;
uint32_t buffer[buffer_size / 2];
displayio_display_start_region_update(display, x0, y0, x1, y1);
for (uint16_t y = y0; y < y1; ++y) {
for (uint16_t x = x0; x < x1; ++x) {
uint16_t* pixel = &(((uint16_t*)buffer)[index]);
*pixel = 0;
PORT->Group[1].OUTTGL.reg = 1 << 22;
//if (index == 0) {
if (display->current_group != NULL) {
displayio_group_get_pixel(display->current_group, x, y, pixel);
}
// } else {
// *pixel = (((uint16_t*)buffer)[0]);
// }
PORT->Group[1].OUTTGL.reg = 1 << 22;
index += 1;
// The buffer is full, send it.
if (index >= buffer_size) {
if (!displayio_display_send_pixels(display, buffer, buffer_size / 2)) {
displayio_display_finish_region_update(display);
return;
}
index = 0;
}
}
}
// Send the remaining data.
if (index && !displayio_display_send_pixels(display, buffer, index * 2)) {
displayio_display_finish_region_update(display);
return;
}
displayio_display_finish_region_update(display);
}
displayio_display_finish_refresh(display);
}
void reset_primary_display(void) {
common_hal_displayio_display_show(&primary_display.display, NULL);
}
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