initial commit

lib/indicator_led/src/GenericDevBoardIndicatorLed.cpp

@@ -0,0 +1,26 @@
+#include "Arduino.h"
+#include "GenericDevBoardIndicatorLed.h"
+
+#ifdef LED_BUILTIN
+const uint8_t BUILT_IN_LED = LED_BUILTIN;
+#else
+const uint8_t BUILT_IN_LED = GPIO_NUM_2;
+#endif
+
+GenericDevBoardIndicatorLed::GenericDevBoardIndicatorLed()
+{
+  pinMode(BUILT_IN_LED, OUTPUT);
+}
+
+// we don't really have any colors so just use the built in LED
+void GenericDevBoardIndicatorLed::set_led_rgb(uint32_t color)
+{
+  if (color == 0)
+  {
+    digitalWrite(BUILT_IN_LED, LOW);
+  }
+  else
+  {
+    digitalWrite(BUILT_IN_LED, HIGH);
+  }
+}

lib/indicator_led/src/GenericDevBoardIndicatorLed.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include "IndicatorLed.h"
+
+class GenericDevBoardIndicatorLed : public IndicatorLed
+{
+protected:
+  void set_led_rgb(uint32_t color);
+
+public:
+  GenericDevBoardIndicatorLed();
+};

lib/indicator_led/src/IndicatorLed.cpp

@@ -0,0 +1,34 @@
+#include <Arduino.h>
+#include <freertos/FreeRTOS.h>
+#include "IndicatorLed.h"
+
+void update_indicator_task(void *param)
+{
+  IndicatorLed *indicator = reinterpret_cast<IndicatorLed *>(param);
+  while (true)
+  {
+    if (indicator->m_is_flashing)
+    {
+      indicator->set_led_rgb(indicator->m_flash_color);
+      vTaskDelay(100);
+    }
+    indicator->set_led_rgb(indicator->m_default_color);
+    vTaskDelay(100);
+  }
+}
+
+void IndicatorLed::begin()
+{
+  TaskHandle_t task_handle;
+  xTaskCreate(update_indicator_task, "Indicator LED Task", 4096, this, 0, &task_handle);
+}
+
+void IndicatorLed::set_is_flashing(bool is_flashing, uint32_t flash_color)
+{
+  m_is_flashing = is_flashing;
+  m_flash_color = flash_color;
+}
+void IndicatorLed::set_default_color(uint32_t color)
+{
+  m_default_color = color;
+}

lib/indicator_led/src/IndicatorLed.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <stdint.h>
+
+class IndicatorLed
+{
+private:
+  bool m_is_flashing = false;
+  uint32_t m_default_color = 0;
+  uint32_t m_flash_color = 0;
+
+protected:
+  virtual void set_led_rgb(uint32_t color) = 0;
+
+public:
+  void begin();
+  void set_is_flashing(bool is_flashing, uint32_t flash_color);
+  void set_default_color(uint32_t color);
+
+  friend void update_indicator_task(void *param);
+};