WIP - [CI] Boards test fix + sketch

.github/workflows/boards.yml

@@ -1,4 +1,4 @@
-name: New Board Test
+name: Boards Test
 
 # The workflow will run on schedule and labeled pull requests
 on:
@@ -30,7 +30,7 @@ jobs:
   test-boards:
     needs: find-boards
     runs-on: ubuntu-latest
-    if: ${{ needs.changes.outputs.services != '' }}
+    if: ${{ needs.find-boards.outputs.fqbns != '' }}
 
     env:
       REPOSITORY: |
@@ -58,4 +58,4 @@ jobs:
             - --warnings="all"
           exit-on-fail: true
           sketch-paths:
-            "- ./libraries/ESP32/examples/ChipID/GetChipID/GetChipID.ino"
+            "- ./libraries/ESP32/examples/CI/CIBoardsTest/CIBoardsTest.ino"

libraries/ESP32/examples/CI/CIBoardsTest/CIBoardsTest.ino

@@ -0,0 +1,45 @@
+#include <Wire.h>
+#include <SPI.h>
+
+void setup() {
+  // UART initialization
+  Serial.begin(9600);
+
+  // I2C initialization
+  Wire.begin();
+
+  // SPI initialization
+  SPI.begin();
+}
+
+void loop() {
+  // UART echo
+  if (Serial.available()) {
+    Serial.write(Serial.read());
+  }
+
+  // I2C read/write
+  Wire.beginTransmission(0x68);  // I2C address of device
+  Wire.write(0x00);              // register to read/write
+  Wire.write(0xFF);              // data to write (if writing)
+  Wire.endTransmission();
+
+  Wire.requestFrom(0x68, 1);     // number of bytes to read
+
+  while (Wire.available()) {
+    Serial.println(Wire.read());
+  }
+
+  // SPI read/write
+  digitalWrite(SS, LOW);         // select slave device
+  SPI.transfer(0x01);            // data to write
+  digitalWrite(SS, HIGH);        // deselect slave device
+
+  digitalWrite(SS, LOW);         // select slave device
+  byte data = SPI.transfer(0x00);// data to read
+  digitalWrite(SS, HIGH);        // deselect slave device
+
+  Serial.println(data);
+
+  delay(1000);                   // wait for 1 second before repeating loop
+}