Capacitive Touch Matrix Test

code.py

"""
Test script for CAPT-B1-02 Capacitive Touch Matrix FeatherWing
Board files: https://github.com/joeycastillo/Feather-Projects/tree/master/Experiments/Cap%20Touch%20Experiments

Also uses an Adafruit 16x8 LED matrix:
https://www.adafruit.com/product/2037
"""

import board
import touchio
import busio as io
import adafruit_ht16k33.matrix 

i2c = io.I2C(board.SCL, board.SDA)
matrix = adafruit_ht16k33.matrix.Matrix16x8(i2c)
matrix.auto_write = False

X0 = touchio.TouchIn(board.A4)
X1 = touchio.TouchIn(board.A3)
X2 = touchio.TouchIn(board.A2)
X3 = touchio.TouchIn(board.A1)
X4 = touchio.TouchIn(board.D12)
X5 = touchio.TouchIn(board.D11)
X6 = touchio.TouchIn(board.D9)
X7 = touchio.TouchIn(board.A5)
X8 = touchio.TouchIn(board.RX)
X9 = touchio.TouchIn(board.MISO)

Y0 = touchio.TouchIn(board.D5)
Y1 = touchio.TouchIn(board.D6)
Y2 = touchio.TouchIn(board.D10)
Y3 = touchio.TouchIn(board.TX)

def set_pixel(x, y):
    if y > 7:
        # push pixel to second matrix
        y = y - 8
        x = x + 8
    matrix[x, y] = 1

def print_status(col, row):
    matrix.fill(0)
    for y in range(0, 4):
        for x in range(0, 10):
            if y == row and x == col:
                pass
            elif y == row:
                set_pixel(y + 2, x + 3)
            elif x == col:
                set_pixel(y + 2, x + 3)
    matrix.show()

while True:
    row = None
    if Y0.value:
        row = 0
    if Y1.value:
        row = 1
    if Y2.value:
        row = 2
    if Y3.value:
        row = 3

    if row is not None:
        if X0.value:
            print_status(0, row)
        if X1.value:
            print_status(1, row)
        if X2.value:
            print_status(2, row)
        if X3.value:
            print_status(3, row)
        if X4.value:
            print_status(4, row)
        if X5.value:
            print_status(5, row)
        if X6.value:
            print_status(6, row)
        if X7.value:
            print_status(7, row)
        if X8.value:
            print_status(8, row)
        if X9.value:
            print_status(9, row)