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from ST7735 import TFT,TFTColorfrom machine import SPI,Pin spi = SPI(2, baudrate=20000000, polarity=0, phase=0, sck=Pin(14), mosi=Pin(13), miso=Pin(12))tft=TFT(spi,16,17,18)tft.initr()tft.rgb(True)tft.fill(TFT.BLACK)f=open('test128x160.bmp', 'rb')if f.read(2) == b'BM': #header dummy = f.read(8) #file size(4), creator bytes(4) offset = int.from_bytes(f.read(4), 'little') hdrsize = int.from_bytes(f.read(4), 'little') width = int.from_bytes(f.read(4), 'little') height = int.from_bytes(f.read(4), 'little') if int.from_bytes(f.read(2), 'little') == 1: #planes must be 1 depth = int.from_bytes(f.read(2), 'little') if depth == 24 and int.from_bytes(f.read(4), 'little') == 0:#compress method == uncompressed print("Image size:", width, "x", height) rowsize = (width * 3 + 3) & ~3 if height < 0: height = -height flip = False else: flip = True w, h = width, height if w > 128: w = 128 if h > 160: h = 160 tft._setwindowloc((0,0),(w - 1,h - 1)) for row in range(h): if flip: pos = offset + (height - 1 - row) * rowsize else: pos = offset + row * rowsize if f.tell() != pos: dummy = f.seek(pos) for col in range(w): bgr = f.read(3) tft._pushcolor(TFTColor(bgr[2],bgr[1],bgr[0]))spi.deinit()
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