from m1n1.hw.dart import DART from m1n1.utils import * dart = DART.from_adt(u, "arm-io/dart-dispdfr") width = 2040 height = 60 stride = 64 def make_fb(): width = 80 fb_size = align_up(width * stride * 4, 8 * 0x4000) buf = u.memalign(0x4000, fb_size) return (dart.iomap(0, buf, fb_size), buf) width = 2040 fb_size = align_up(width * stride * 4, 8 * 0x4000) buf_mask = u.memalign(0x4000, fb_size) p.memset32(buf_mask, 0, fb_size) p.memset32(buf_mask, 0xFFFFFFFF, 10*stride) iova_mask = dart.iomap(0, buf_mask, fb_size) p.write32(0x228202200, iova_mask) dart.dump_device(0) #enable backlight p.write32(0x228600070,0x8051) p.write32(0x22860006c,0x229) #enable fifo and vblank p.write32(0x228400100, 0x613) # Color correction magic (idk why but it makes colors actually work) p.write32(0x228202074, 0x1) p.write32(0x228202028, 0x10) p.write32(0x22820202c, 0x1) p.write32(0x228202020, 0x1) p.write32(0x228202034, 0x1) #layer enable p.write32(0x228204020, 0x1) p.write32(0x228204068, 0x1) p.write32(0x2282040b4, 0x1) p.write32(0x2282040f4, 0x1) p.write32(0x2282040ac, 0x100000) p.write32(0x228201038, 0x10001) #layer size p.write32(0x228204048, height << 16 | width) p.write32(0x22820404c, height << 16 | width) p.write32(0x22820407c, height << 16 | width) p.write32(0x228204054, height << 16 | width) #global size p.write32(0x228201030, height << 16 | width) #some more color correction p.write32(0x22820402c, 0x53e4001) def make_pipe(iova): pipe = [ 0x20014038, 0x2a | (stride * 4), 0x20014030, 0x2a | iova, ] pipe = [0xc0000001 | (len(pipe) << 16)] + pipe return pipe def flush(pipe): for i in pipe: p.write32(0x2282010c0, i) data = open('out.bin', 'rb').read() def play(): frame = 0 while 1: iova, base = make_fb() for y in range(60): for x in range(80): pix = data[(x + y * 80 + frame * 80 * 60) * 3] pos = base + ((60 - y) + x * 64) * 4 if pix < 128: p.write32(pos, 0) else: p.write32(pos, 0x00FFFFFF) flush(make_pipe(iova)) frame += 1 play()