linux-st7735/demo/simple.c

#include "base.h"
#include "spilcd_gfx.h"

int main(int argc, char *argv[])
{
	lcd_t* lcd = demo_init();

	printf("Fill display...");
	printf("blue...");
	lcd_fillScreen(lcd, 0, 70, 160);
	lcd_redrawBuffer(lcd);
	printf("...waiting 1 second...");
	sleep(1);
	printf("black...");
	lcd_fillScreen(lcd, 0, 0, 0);
	lcd_redrawBuffer(lcd);
	printf("DONE\n");

	printf("...waiting 1 second...\n");
	sleep(1);

	printf("Points...");
	for (int i = 1; i < 2000; i++) {
		int r = rand();
		lcd_drawPixel(lcd, r % 128, i % 160,
				random_color_r(i),
				random_color_g(i),
				random_color_b(i));
	}
	lcd_redrawBuffer(lcd);
	printf("DONE\n");

	printf("...waiting 1 second...\n");
	sleep(1);

	printf("Regions...");
	int w = 15;
	int h = 20;
	for (int i = 1; i < 100; i++) {
		int x = rand() % (128 - w);
		int y = rand() % (160 - h);
		lcd_setWindow(lcd, x, y, x + w - 1, y + h - 1);
		uint8 r = rand();
		uint8 g = rand();
		uint8 b = rand();
		for (int p = 0; p < w*h; p++) {
			lcd_pushPixel(lcd, r * p / (w*h), g * (w*h-p) / (w*h), b);
		}
		lcd_redrawBuffer(lcd);
	}
	printf("DONE\n");

	demo_deinit(lcd);	
	return 0;
}