Merge pull request gpiozero#303 from lurch/non_pwmed_motor

Add a `pwm` option to the RGBLED and Motor constructors

Author: waveform80

docs/api_output.rst

@@ -28,7 +28,7 @@ PWMLED
 RGBLED
 ======
 
-.. autoclass:: RGBLED(red, green, blue, active_high=True, initial_value=(0, 0, 0))
+.. autoclass:: RGBLED(red, green, blue, active_high=True, initial_value=(0, 0, 0), pwm=True)
     :members: on, off, toggle, blink, pulse, red, green, blue, is_lit, color
 
 Buzzer
@@ -40,7 +40,7 @@ Buzzer
 Motor
 =====
 
-.. autoclass:: Motor(forward, backward)
+.. autoclass:: Motor(forward, backward, pwm=True)
     :members: forward, backward, stop
 
 Base Classes

docs/images/composed_devices.dot

@@ -5,6 +5,7 @@ digraph classes {
     node [shape=rect, style=filled, color="#298029", fontname=Sans, fontcolor="#ffffff", fontsize=10];
     edge [arrowhead=onormal, style=dashed];
 
+    RGBLED->LED;
     RGBLED->PWMLED;
     LEDBoard->LED;
     LEDBoard->PWMLED;
@@ -16,5 +17,6 @@ digraph classes {
     TrafficLightsBuzzer->Button;
 
     Robot->Motor;
+    Motor->DigitalOutputDevice;
     Motor->PWMOutputDevice;
 }