Simple test
Ensure your device works with this simple test.
examples/cap1188_simpletest.py
1# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
2# SPDX-License-Identifier: MIT
3
4import board
5
6from adafruit_cap1188.i2c import CAP1188_I2C
7
8i2c = board.I2C() # uses board.SCL and board.SDA
9# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
10cap = CAP1188_I2C(i2c)
11
12# SPI setup
13# from digitalio import DigitalInOut, Direction
14# from adafruit_cap1188.spi import CAP1188_SPI
15# spi = board.SPI()
16# cs = DigitalInOut(board.D5)
17# cap = CAP1188_SPI(spi, cs)
18
19while True:
20 for i in range(1, 9):
21 if cap[i].value:
22 print(f"Pin {i} touched!")
Advance test
This example show the new feature included in the library allowing the possibilite the configure the averaging, cycle and sample. For reference please see Sensor Datasheet.
examples/cap1188_advancedtest.py
1# SPDX-FileCopyrightText: 2021 Jose David M.
2# SPDX-License-Identifier: MIT
3
4# To use in the REPL >>> import cap1188_advancetest
5
6import board
7
8from adafruit_cap1188.i2c import CAP1188_I2C
9
10i2c = board.I2C() # uses board.SCL and board.SDA
11# i2c = board.STEMMA_I2C() # For using the built-in STEMMA QT connector on a microcontroller
12cap = CAP1188_I2C(i2c)
13
14print(f"Sensor Initial Configuration Values: {cap.averaging, cap.sample, cap.cycle}")
15
16averages = (1, 2, 4, 8, 16, 32, 64, 128)
17samples = ("320us", "640us", "1.28ms", "2.56ms")
18cycles = ("35ms", "70ms", "105ms", "140ms")
19
20print("Setting Up Averages")
21for i in averages:
22 cap.averaging = i
23 print(f"Average: {cap.averaging}")
24
25print("Setting Up Samples")
26for i in samples:
27 cap.sample = i
28 print(f"Sample: {cap.sample}")
29
30print("Setting Up Samples")
31for i in cycles:
32 cap.cycle = i
33 print(f"Cycle: {cap.cycle}")
34
35print("Done!")