draw_raw_img.py

sd = SD()
os.mount(sd, '/sd')
os.chdir('sd')

import gpu, framebuf
gpu.fb_init(320, 240, screen_w=1920, screen_h=1080)
fb = framebuf.FrameBuffer(gpu.fb_data(), 320, 240, framebuf.RGB565)
fb.fill_rect(0, 0, 320, 240, 0)

f = open('test1.raw', 'rb')
for y in range(240):
    line = f.read(320 * 3)
    for x in range(320):
        r = (line[x * 3] >> 3) << 11
        g = (line[x * 3 + 1] >> 2) << 5
        b = line[x * 3 + 2] >> 3
        fb.pixel(x, y, r | g | b)
f.close()