PWM Pulse

[sketchbook_andrea] / libraries / common / common.cpp

diff --git a/libraries/common/common.cpp b/libraries/common/common.cpp
index 4a886b26cc95186a358d0cd66af4abc5a5c27052..1611ec10550beac17f0213e27941018c0f75f823 100644 (file)
--- a/libraries/common/common.cpp
+++ b/libraries/common/common.cpp
@@ -10,7 +10,7 @@
 #include "Arduino.h"
 #include "common.h"
 
-#define DEBUG_not
+#define DEBUG
 
 //////////////////////
 // RGB LED
@@ -210,6 +210,8 @@ Pwm::Pwm(int pin)
     previousMillis = 0;
     byte brightness = 0 ;
     increment = 1;
+    int step = 0;              // Pulse: stato del loop PWM
+    int interval = 1;
 };
 
 void Pwm::Up(long speed, long drift) {
@@ -279,6 +281,50 @@ void Pwm::Set(byte brightness) {
 }
 
 
+void Pwm::Pulse(int interval, int pausa) {
+    // PWM up/down + un ciclo di pausa
+    // Interval e' la pausa tra uno step di 255 e l'altro
+
+    if ((millis() - previousMillis) >= interval) {
+      previousMillis = millis();
+      if (step < 256) { //UP
+        analogWrite(ledPin, lum(step));
+        step++ ;
+      } else if (step < 512 ) { // Down
+        analogWrite(ledPin, lum(511 - step));
+        step++ ;
+      } else if (step < 512 + pausa ){ // Pausa
+        analogWrite(ledPin, lum(0));
+        step++ ;
+      } else if (step >= 512 + pausa) { // Reset 
+      step = 0 ;
+      }
+    }
+} 
+
+void Pwm::RandomPulse(int min , int max, int pausa ) {
+    // PWM up/down + un ciclo di pausa
+    // L'intervallo e' random a ogni nuovo ciclo, 
+    // compreso tra un min - max passato come argomento
+
+    if ((millis() - previousMillis) >= interval) {
+      previousMillis = millis();
+      if (step < 256) { //UP
+        analogWrite(ledPin, lum(step));
+        step++ ;
+      } else if (step < 512 ) { // Down
+        analogWrite(ledPin, lum(511 - step));
+        step++ ;
+      } else if (step < (512 + pausa )){ // Pausa
+        analogWrite(ledPin, lum(0));
+        step++ ;
+      } else if ((step >= 512 + pausa )) {
+      step = 0 ;
+      interval = random(min,max);
+      }
+    }
+} 
+
 void Pwm::lSet(byte brightness) {
     // Imposta il valore del PWM con correzione luminosita' LED
     analogWrite(ledPin, lum(brightness));