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Fixed ambiguous GPIO numbers in buttons.py example code #193

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Fixed ambiguous GPIO numbers in buttons.py example code #193

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8815963
Fixed ambiguous GPIO numbers in buttons.py example code
ttreker Jun 15, 2024
6aa87b4
Reworked print statement to reflect GPIOs are being displayed
ttreker Jun 15, 2024
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15 changes: 11 additions & 4 deletions examples/7color/buttons.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,15 @@
# GPIO pins for each button (from top to bottom)
# These will vary depending on platform and the ones
# below should be correct for Raspberry Pi 5.
# Run "gpioinfo" to find out what yours might be
BUTTONS = ["PIN29", "PIN31", "PIN36", "PIN18"]
# Run "gpioinfo" to find out what yours might be.
#
# Raspberry Pi 5 Header pins used by Inky Impression:
# PIN29, PIN31, PIN36, PIN18.
# These header pins correspond to BCM GPIO numbers:
# GPIO05, GPIO06, GPIO16, GPIO24.
# These GPIO numbers are what is used below and not the
# header pin numbers.
BUTTONS = [5, 6, 16, 24]

# These correspond to buttons A, B, C and D respectively
LABELS = ["A", "B", "C", "D"]
Expand All @@ -43,9 +50,9 @@
# It receives one argument: the associated gpiod event object.
def handle_button(event):
index = OFFSETS.index(event.line_offset)
pin = BUTTONS[index]
gpio_number = BUTTONS[index]
label = LABELS[index]
print(f"Button press detected on pin: {pin} label: {label}")
print(f"Button press detected on GPIO #{gpio_number} label: {label}")


while True:
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