Initial Commit

MotorControl/motor.py

@@ -0,0 +1,41 @@
+import time
+
+from RPi import GPIO
+
+"""This module controls the Motor and Servo module.
+
+This module provides an interface for interacting with
+the motor on the Traxxas Slash using a Raspberry Pi
+3B+.
+"""
+
+class MotorController:
+    def __init__(self, control_pin, frequency, duty_cycle=0):
+        self._duty_cycle = duty_cycle
+        self._operating_frequency = frequency
+        self._running = False
+
+        GPIO.setmode(GPIO.OUT)
+        GPIO.setup(self._control_pin, self._operating_frequency)
+        self._control_pin = GPIO.PWM(control_pin, self._duty_cycle)
+
+    @property
+    def duty_cycle(self):
+        return self._duty_cycle
+
+    @duty_cycle.setter
+    def duty_cycle(self, value):
+        if value > 0 and value < 100:
+            self._duty_cycle = value
+            # Change the current duty cycle of the GPIO.
+
+    def start(self):
+        if self._running:
+            return
+        else:
+            self._control_pin.start(self._duty_cycle)
+
+    def stop(self):
+        self._control_pin.stop()
+
+