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RegulationIntensite.h

@@ -0,0 +1,6 @@
+#ifndef REGULATIONINTENSITE_H
+#define REGULATIONINTENSITE_H
+
+float get_curent();
+
+#endif

RegulationIntensite.ino

@@ -0,0 +1,36 @@
+#include "RegulationIntensite.h"
+
+#define __RESISTOR_VALUE__ 10000
+#define __ANALOGIN_BR__ A0
+#define __ANALOGIN_AR__ A1
+#define __PWM_OUT__ 3
+
+float target_curent = 0;
+
+void setup()
+{
+  pinMode(__ANALOGIN_AR__,0);
+  pinMode(__ANALOGIN_BR__,0);
+  pinMode(__PWM_OUT__,1);
+  Serial.begin(9600);
+}
+
+void loop()
+{
+  static int curent;
+  static int pwm_value = 0;
+  curent = get_curent();
+  if(curent<target_curent*0.9)
+    pwm_value++;
+  else if(curent>target_curent)
+    pwm_value--;
+  analogWrite(__PWM_OUT__, pwm_value);
+}
+
+float get_curent()
+{
+  int b = analogRead(__ANALOGIN_BR__);
+  int a = analogRead(__ANALOGIN_AR__);
+  float dv = (a-b)*(5.0/1023.0) ; //Tension réel
+  return dv/(float)__RESISTOR_VALUE__;
+}