fix: Fettling v1000

Author: milesburton

.github/workflows/arduino-ci.yml

@@ -28,16 +28,26 @@ jobs:
       - name: Install OneWire library
         run: |
           arduino-cli lib install OneWire
-          # Debug: Show initial contents
-          echo "Initial OneWire util directory contents:"
-          ls -la /home/runner/Arduino/libraries/OneWire/util/
-          # Only create symlink for crc16.h if it doesn't exist
-          if [ ! -f "/home/runner/Arduino/libraries/OneWire/util/crc16.h" ]; then
-            sudo ln -s /usr/lib/avr/include/util/crc16.h /home/runner/Arduino/libraries/OneWire/util/
-          fi
-          # Debug: Show final contents
-          echo "Final OneWire util directory contents:"
-          ls -la /home/runner/Arduino/libraries/OneWire/util/
+          # Replace the CRC implementation directly in the OneWire library
+          cat > /home/runner/Arduino/libraries/OneWire/util/crc16.h << 'EOF'
+          #ifndef CRC16_H
+          #define CRC16_H
+          #include <stdint.h>
+
+          static inline uint16_t _crc16_update(uint16_t crc, uint8_t a)
+          {
+              crc ^= a;
+              for (uint8_t i = 0; i < 8; ++i) {
+                  if (crc & 1)
+                      crc = (crc >> 1) ^ 0xA001;
+                  else
+                      crc = (crc >> 1);
+              }
+              return crc;
+          }
+
+          #endif
+          EOF
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with: