Don't use fast bus IO for testing (#4)

* Update to use published `arduino_ci` gem.
* Don't use `BUSIO_USE_FAST_PINIO` when in `arduino_ci`.
* Don't try to generate documents since we don't have permission

Author: James Foster

.github/workflows/githubci.yml

@@ -25,8 +25,8 @@ jobs:
     - name: clang
       run: python3 ci/run-clang-format.py -e "ci/*" -e "bin/*" -r . 
 
-    - name: doxygen
-      env:
-        GH_REPO_TOKEN: ${{ secrets.GH_REPO_TOKEN }}
-        PRETTYNAME : "Adafruit Bus IO Library"
-      run: bash ci/doxy_gen_and_deploy.sh
+    # - name: doxygen
+    #   env:
+    #     GH_REPO_TOKEN: ${{ secrets.GH_REPO_TOKEN }}
+    #     PRETTYNAME : "Adafruit Bus IO Library"
+    #   run: bash ci/doxy_gen_and_deploy.sh

src/Adafruit_SPIDevice.h

@@ -32,7 +32,7 @@ typedef enum _BitOrder {
 #define SPI_BITORDER_LSBFIRST LSBFIRST
 #endif
 
-#if defined(__AVR__) || defined(TEENSYDUINO)
+#if (defined(__AVR__) || defined(TEENSYDUINO)) && !defined(MOCK_PINS_COUNT)
 typedef volatile uint8_t BusIO_PortReg;
 typedef uint8_t BusIO_PortMask;
 #define BUSIO_USE_FAST_PINIO