add simple led test

Adafruit_Prop_Maker_FeatherWing/Prop_Maker_LED_Simpletest.ino

@@ -0,0 +1,104 @@
+/*
+* Adafruit Prop-Maker Featherwing
+* LED Example
+* 
+* Rainbow swirl example for 3W LED.
+*/
+
+#if defined(__SAMD21G18A__) || defined(__AVR_ATmega32U4__)
+  // No green PWM on 32u4
+  #define POWER_PIN    10
+  #define RED_LED      11
+  #define GREEN_LED    12  // no PWM on atmega32u4
+  #define BLUE_LED     13
+#elif defined(__AVR_ATmega328P__)
+  // No Red or Blue PWM
+  #define POWER_PIN    10
+  #define RED_LED      2
+  #define GREEN_LED    3  // the only PWM pin!
+  #define BLUE_LED     4
+#elif defined(NRF52)
+  #define POWER_PIN    11
+  #define RED_LED      7
+  #define GREEN_LED    15
+  #define BLUE_LED     16
+#elif defined(ESP8266)
+  #define POWER_PIN    15
+  #define RED_LED      13
+  #define GREEN_LED    12
+  #define BLUE_LED     14
+#elif defined(TEENSYDUINO)
+  #define POWER_PIN    10
+  #define RED_LED      9
+  #define GREEN_LED    6
+  #define BLUE_LED     5
+#elif defined(ESP32)
+  #define POWER_PIN    33
+  #define RED_LED 0
+  #define GREEN_LED 1
+  #define BLUE_LED 2
+  #define RED_PIN  27
+  #define GREEN_PIN    12
+  #define BLUE_PIN     13
+  #define analogWrite ledcWrite
+#endif
+
+uint8_t i=0;
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("\nProp-Maker Wing: LED Example");
+  
+  // set up the power pin
+  pinMode(POWER_PIN, OUTPUT);
+  // disable the power pin, we're not writing to the LEDs
+  digitalWrite(POWER_PIN, LOW);
+
+  // Set up the LED Pins
+  pinMode(RED_LED, OUTPUT);
+  pinMode(GREEN_LED, OUTPUT);
+  pinMode(BLUE_LED, OUTPUT);
+  #if defined(ESP32)
+    ledcSetup(RED_LED, 5000, 8);
+    ledcAttachPin(RED_PIN, RED_LED);
+    ledcSetup(GREEN_LED, 5000, 8);
+    ledcAttachPin(GREEN_PIN, GREEN_LED);
+    ledcSetup(BLUE_LED, 5000, 8);
+    ledcAttachPin(BLUE_PIN, BLUE_LED);
+  #endif
+  
+  analogWrite(RED_LED, 0);
+  analogWrite(GREEN_LED, 0);
+  analogWrite(BLUE_LED, 0);
+}
+
+uint32_t Wheel(byte WheelPos) {
+  WheelPos = 255 - WheelPos;
+  if(WheelPos < 85) {
+    return (255 - WheelPos * 3, 0, WheelPos * 3);
+  }
+  if(WheelPos < 170) {
+    WheelPos -= 85;
+    return (0, WheelPos * 3, 255 - WheelPos * 3);
+  }
+  WheelPos -= 170;
+  return (WheelPos * 3, 255 - WheelPos * 3, 0);
+}
+
+void loop()
+{
+  // set RGB Colors
+  uint32_t color = Wheel(i++);
+  uint8_t red = color >> 16;
+  uint8_t green = color >> 8;
+  uint8_t blue = color;
+
+  // turn on the power pin
+  digitalWrite(POWER_PIN, HIGH);
+
+  // write colors to the 3W LED
+  analogWrite(RED_LED, red);
+  analogWrite(GREEN_LED, green);
+  analogWrite(BLUE_LED, blue);
+  delay(100);
+}