34 lines
1 KiB
Python
34 lines
1 KiB
Python
"""
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Simple painting demo that draws on an Adafruit capacitive touch shield with
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ILI9341 display and FT6206 captouch driver
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"""
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import busio
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import board
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import digitalio
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import adafruit_focaltouch
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from adafruit_rgb_display import ili9341, color565
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# Create library object using our Bus I2C & SPI port
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i2c = busio.I2C(board.SCL, board.SDA)
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spi = busio.SPI(clock=board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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# Adafruit Metro M0 + 2.8" Capacitive touch shield
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cs_pin = digitalio.DigitalInOut(board.D10)
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dc_pin = digitalio.DigitalInOut(board.D9)
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# Initialize display
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display = ili9341.ILI9341(spi, cs=cs_pin, dc=dc_pin)
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# Fill with black!
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display.fill(color565(0, 0, 0))
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ft = adafruit_focaltouch.Adafruit_FocalTouch(i2c)
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while True:
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if ft.touched:
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ts = ft.touches
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point = ts[0] # the shield only supports one point!
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# perform transformation to get into display coordinate system!
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y = 320 - point["y"]
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x = 240 - point["x"]
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display.fill_rectangle(x - 2, y - 2, 4, 4, color565(255, 255, 255))
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