update

1 files changed, 46 insertions, 0 deletions

diff --git a/CODE/debug/prewk/motordriver/softPWM/softPWM.ino b/CODE/debug/prewk/motordriver/softPWM/softPWM.ino
new file mode 100644
index 0000000..ab74715
--- /dev/null
+++ b/CODE/debug/prewk/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");
+}