GD32V: examples/BlinkRGB: add all combinations

Author: scpcom

libraries/GD32V/examples/BlinkRGB/BlinkRGB.ino

@@ -19,6 +19,8 @@
   by Arturo Guadalupi
   modified 8 Sep 2016
   by Colby Newman
+  modified 15 Nov 2020
+  by SCP
 
   This example code is in the public domain.
 
@@ -35,13 +37,39 @@ void setup() {
 
 // the loop function runs over and over again forever
 void loop() {
-  digitalWrite(LED_BLUE, LOW);    // turn the LED off by making the voltage LOW
-  digitalWrite(LED_RED, HIGH);   // turn the LED on (HIGH is the voltage level)
+  /* one color */
+  digitalWrite(LED_RED, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_GREEN, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_BLUE, HIGH);   // turn the LED off (HIGH is the voltage level)
   delay(1000);                       // wait for a second
-  digitalWrite(LED_RED, LOW);    // turn the LED off by making the voltage LOW
-  digitalWrite(LED_GREEN, HIGH);   // turn the LED on (HIGH is the voltage level)
+  digitalWrite(LED_RED, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_GREEN, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_BLUE, HIGH);   // turn the LED off (HIGH is the voltage level)
   delay(1000);                       // wait for a second
-  digitalWrite(LED_GREEN, LOW);    // turn the LED off by making the voltage LOW
-  digitalWrite(LED_BLUE, HIGH);   // turn the LED on (HIGH is the voltage level)
+  digitalWrite(LED_RED, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_GREEN, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_BLUE, LOW);    // turn the LED on by making the voltage LOW
+  delay(1000);                       // wait for a second
+  /* two colors */
+  digitalWrite(LED_RED, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_GREEN, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_BLUE, HIGH);   // turn the LED off (HIGH is the voltage level)
+  delay(1000);                       // wait for a second
+  digitalWrite(LED_RED, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_GREEN, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_BLUE, LOW);    // turn the LED on by making the voltage LOW
+  delay(1000);                       // wait for a second
+  digitalWrite(LED_RED, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_GREEN, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_BLUE, LOW);    // turn the LED on by making the voltage LOW
+  delay(1000);                       // wait for a second
+  /* all colors */
+  digitalWrite(LED_RED, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_GREEN, LOW);    // turn the LED on by making the voltage LOW
+  digitalWrite(LED_BLUE, LOW);    // turn the LED on by making the voltage LOW
+  delay(1000);                       // wait for a second
+  digitalWrite(LED_RED, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_GREEN, HIGH);   // turn the LED off (HIGH is the voltage level)
+  digitalWrite(LED_BLUE, HIGH);   // turn the LED off (HIGH is the voltage level)
   delay(1000);                       // wait for a second
 }