v0.9.350

examples/plugins/backlightControls/backlightcontrols.cpp

@@ -0,0 +1,46 @@
+/**
+ * Example of display backlight control depending on playback.
+ * To connect the plugin, copy its folder to the src/plugins directory.
+ */
+#include "backlightcontrols.h"
+#include <Arduino.h>
+#include <Ticker.h>
+#include "../../core/options.h"
+
+Ticker backlightTicker;
+backlightControls blc;
+
+const uint8_t backlightPin       = 13;
+const uint8_t backlightInitValue = HIGH;
+const uint16_t turnBlOffInterval = 120;   /* 2 min */
+
+void backlightOff(){
+  backlightTicker.detach();
+  digitalWrite(backlightPin, !backlightInitValue);
+}
+
+backlightControls::backlightControls() {
+  registerPlugin();
+  log_i("Plugin is registered");
+}
+
+void backlightControls::on_setup(){
+  log_i("%s called", __func__ );
+  pinMode(backlightPin, OUTPUT);
+  digitalWrite(backlightPin, backlightInitValue);
+  backlightTicker.attach(turnBlOffInterval, backlightOff);
+}
+
+void backlightControls::on_track_change(){
+  log_i("%s called", __func__ );
+  digitalWrite(backlightPin, backlightInitValue);
+  backlightTicker.detach();
+  backlightTicker.attach(turnBlOffInterval, backlightOff);
+}
+
+void backlightControls::on_stop_play(){
+  log_i("%s called", __func__ );
+  digitalWrite(backlightPin, backlightInitValue);
+  backlightTicker.detach();
+  backlightTicker.attach(turnBlOffInterval, backlightOff);
+}