diff options
Diffstat (limited to 'CODE/debug/motordriver/softPWM/softPWM.ino')
| -rw-r--r-- | CODE/debug/motordriver/softPWM/softPWM.ino | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/CODE/debug/motordriver/softPWM/softPWM.ino b/CODE/debug/motordriver/softPWM/softPWM.ino new file mode 100644 index 0000000..ab74715 --- /dev/null +++ b/CODE/debug/motordriver/softPWM/softPWM.ino @@ -0,0 +1,46 @@ +#include <TimerThree.h> +#include <Arduino.h> + +int pwmPin = 3; + +volatile int PWMval = 0; // PWM value 0-100 + +void setup() { + pinMode(pwmPin, OUTPUT); + Serial.begin(9600); + + Timer3.initialize(800); // 800 microseconds or 1.25kHz + Timer3.attachInterrupt(updatePWM); +} + +void updatePWM() { + static int counter = 0; + + if (counter < PWMval) { + digitalWrite(pwmPin, HIGH); + } else { + digitalWrite(pwmPin, LOW); + } + + counter++; + if (counter >= 100) { + counter = 0; + } +} + +void mcpsoftpwm(int value) { + if (value < 0) value = 0; + if (value > 100) value = 100; + + Serial.print("softPWM pin: 3, value: "); + Serial.println(value); + PWMval = value; +} + +void loop() { + mcpsoftpwm(100); // Set PWM to 100% + delay(1000); + mcpsoftpwm(50); // Set PWM to 50% + delay(1000); + Serial.println("loop"); +} |
