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Aug 28, 2020
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Add microcontroller pins to example. #48

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Add microcontroller pins to example.
kattni Aug 28, 2020
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Sphinx.
kattni Aug 28, 2020
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8 changes: 4 additions & 4 deletions adafruit_motor/stepper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -73,13 +73,13 @@ class StepperMotor:

**PWM**

:param ~pulseio.PWMOut ain1: `pulseio.PWMOut`-compatible output connected to the driver for
:param ~pulseio.PWMOut ain1: ``pulseio.PWMOut``-compatible output connected to the driver for
the first coil (unipolar) or first input to first coil (bipolar).
:param ~pulseio.PWMOut ain2: `pulseio.PWMOut`-compatible output connected to the driver for
:param ~pulseio.PWMOut ain2: ``pulseio.PWMOut``-compatible output connected to the driver for
the third coil (unipolar) or second input to first coil (bipolar).
:param ~pulseio.PWMOut bin1: `pulseio.PWMOut`-compatible output connected to the driver for
:param ~pulseio.PWMOut bin1: ``pulseio.PWMOut``-compatible output connected to the driver for
the second coil (unipolar) or second input to second coil (bipolar).
:param ~pulseio.PWMOut bin2: `pulseio.PWMOut`-compatible output connected to the driver for
:param ~pulseio.PWMOut bin2: ``pulseio.PWMOut``-compatible output connected to the driver for
the fourth coil (unipolar) or second input to second coil (bipolar).
:param int microsteps: Number of microsteps between full steps. Must be at least 2 and even.

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23 changes: 18 additions & 5 deletions examples/motor_stepper_digitalio.py
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@@ -1,5 +1,5 @@
# Use this example for digital pin control of an H-bridge driver
# like a TB6612 or L298N.
# like a DRV8833, TB6612 or L298N.

import time
import board
Expand All @@ -9,13 +9,26 @@
DELAY = 0.01
STEPS = 200

# You can use any available GPIO pin on both a microcontroller and a Raspberry Pi.
# The following pins are simply a suggestion. If you use different pins, update
# the following code to use your chosen pins.

# To use with CircuitPython and a microcontroller:
coils = (
digitalio.DigitalInOut(board.D19), # A1
digitalio.DigitalInOut(board.D26), # A2
digitalio.DigitalInOut(board.D20), # B1
digitalio.DigitalInOut(board.D21), # B2
digitalio.DigitalInOut(board.D9), # A1
digitalio.DigitalInOut(board.D10), # A2
digitalio.DigitalInOut(board.D11), # B1
digitalio.DigitalInOut(board.D12), # B2
)

# To use with a Raspberry Pi:
# coils = (
# digitalio.DigitalInOut(board.D19), # A1
# digitalio.DigitalInOut(board.D26), # A2
# digitalio.DigitalInOut(board.D20), # B1
# digitalio.DigitalInOut(board.D21), # B2
# )

for coil in coils:
coil.direction = digitalio.Direction.OUTPUT

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