blob: ab74715a84a3123915fbd304712c428434a6ae7e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
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");
}
|
