初始化提交

arduino-cli/libraries/Adafruit_seesaw/examples/encoder/rgb_encoder/rgb_encoder.ino

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+/* this example fades an rgb led based on a read encoder position */
+
+#include "Adafruit_seesaw.h"
+
+Adafruit_seesaw ss;
+
+void setup() {
+  Serial.begin(9600);
+  
+  if(!ss.begin(0x36)){
+    Serial.println("ERROR!");
+    while(1);
+  }
+  else Serial.println("seesaw started");
+  // turn off red and green leds
+  ss.analogWrite(5, 255);
+  ss.analogWrite(6, 255);
+}
+
+void loop() {
+  uint32_t val = abs(ss.getEncoderPosition());
+  val = constrain(val*2, 0, 255);
+  ss.analogWrite(4, 255-val); //write to the led
+  delay(10);
+}