update schematic and add production files

FW/leo_muziekdoos_esp32/src/power.cpp

@@ -0,0 +1,41 @@
+#include "power.h"
+
+
+bool powerbutton_released = true;
+
+void initPowerOn(void)
+{
+
+  pinMode(PWR_HOLD, OUTPUT);
+  pinMode(PWR_BTN, INPUT);
+  digitalWrite(PWR_HOLD, HIGH);
+  powerbutton_released = false;
+
+  //dac_sdMode
+  pinMode(DAC_SDMODE, OUTPUT);
+  digitalWrite(DAC_SDMODE, HIGH);
+  //powerstate = poweringOn;
+  //buttonPower.begin();
+
+}
+
+void initPower(void)
+{
+  Serial.println("initPower");
+  initPowerOn();
+  Serial.println("initPower: done");
+
+}
+
+void handlePower(void)
+{
+  if(digitalRead(PWR_BTN) && powerbutton_released)
+  {
+      while(digitalRead(PWR_BTN)) {}
+      digitalWrite(PWR_HOLD, LOW);
+  }
+  else{
+    powerbutton_released = true;
+  }
+}
+