remove SPI setDataMode function and replace it by SPISettings. This will improve the compatibility of the code across different platforms. For instance setDataMode is not supported on mbed based platforms like the Raspberry Pi Pico

.github/workflows/compile-examples.yml

@@ -0,0 +1,106 @@
+name: Compile Examples
+
+on:
+  pull_request:
+    paths:
+      - ".github/workflows/compile-examples.yml"
+      - "examples/**"
+      - "src/**"
+  push:
+    paths:
+      - ".github/workflows/compile-examples.yml"
+      - "examples/**"
+      - "src/**"
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    env:
+      SKETCHES_REPORTS_PATH: sketches-reports
+
+    strategy:
+      fail-fast: false
+
+      matrix:
+        board:
+          - fqbn: arduino:avr:uno
+            platforms: |
+              - name: arduino:avr
+          - fqbn: arduino:samd:mkr1000
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrzero
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrwifi1010
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrfox1200
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrwan1300
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrwan1310
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrgsm1400
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrnb1500
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:samd:mkrvidor4000
+            platforms: |
+              - name: arduino:samd
+          - fqbn: arduino:mbed_rp2040:pico
+            platforms: |
+              - name: arduino:mbed_rp2040
+          - fqbn: arduino:mbed_portenta:envie_m7
+            platforms: |
+              - name: arduino:mbed_portenta
+          - fqbn: arduino:mbed_portenta:envie_m4
+            platforms: |
+              - name: arduino:mbed_portenta
+          - fqbn: arduino:mbed_nano:nano33ble
+            platforms: |
+              - name: arduino:mbed_nano
+          - fqbn: arduino:mbed_nano:nanorp2040connect
+            platforms: |
+              - name: arduino:mbed_nano
+          - fqbn: arduino:mbed_edge:edge_control
+            platforms: |
+              - name: arduino:mbed_edge
+          - fqbn: esp32:esp32:esp32
+            platforms: |
+              - name: esp32:esp32
+                source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
+          - fqbn: rp2040:rp2040:rpipico
+            platforms: |
+              - name: rp2040:rp2040
+                source-url: https://github.com/earlephilhower/arduino-pico/releases/download/global/package_rp2040_index.json
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Install ESP32 platform dependencies
+        if: startsWith(matrix.board.fqbn, 'esp32:esp32')
+        run: pip3 install pyserial
+
+      - name: Compile examples
+        uses: arduino/compile-sketches@v1
+        with:
+          fqbn: ${{ matrix.board.fqbn }}
+          platforms: ${{ matrix.board.platforms }}
+          enable-deltas-report: true
+          sketches-report-path: ${{ env.SKETCHES_REPORTS_PATH }}
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Save memory usage change report as artifact
+        if: github.event_name == 'pull_request'
+        uses: actions/upload-artifact@v3
+        with:
+          name: ${{ env.SKETCHES_REPORTS_PATH }}
+          path: ${{ env.SKETCHES_REPORTS_PATH }}

.gitignore

@@ -0,0 +1,6 @@
+# IDE related files
+.vscode/
+.idea/
+
+# Build related folders
+build/

README.md

@@ -1,4 +1,6 @@
 # MagAlpha library
+[![Compile Examples](https://github.com/monolithicpower/MagAlpha-Arduino-Library/actions/workflows/compile-examples.yml/badge.svg)](https://github.com/monolithicpower/MagAlpha-Arduino-Library/actions/workflows/compile-examples.yml)
+
 Arduino library for the MPS MagAlpha magnetic angle sensor.
 
 ## About

examples/edit-magalpha-config/edit-magalpha-config.ino

@@ -25,7 +25,7 @@ void loop() {
   uint16_t angleRaw16;
   uint8_t angleRaw8;
 
-  Serial.println("Read Angle using differents methods:");
+  Serial.println("Read Angle using different methods:");
 
   //Read the angle in degree (Read 16-bit raw angle value and then convert it to the 0-360 degree range)
   angle = magAlpha.readAngle();
@@ -49,7 +49,7 @@ void loop() {
 
   //Read the angle (16-bit raw angle value) and check the parity bit to detect possible communication error
   bool error;
-  angleRaw16 = magAlpha.readAngleRaw16(&error);
+  angleRaw16 = magAlpha.readAngleRaw(&error);
   Serial.print("    magAlpha.readAngleRaw16(&error) = ");
   Serial.print(angleRaw16, DEC);
   if (error == true){

library.properties

@@ -1,5 +1,5 @@
 name=MagAlpha Angle Sensor Library
-version=1.0.1
+version=1.0.2
 author=Mathieu Kaelin, Monolithic Power Systems <sensors@monolithicpower.com>
 maintainer=Mathieu Kaelin <sensors@monolithicpower.com>
 sentence=Arduino library for the MPS MagAlpha magnetic angle sensor.

src/MagAlpha.cpp

@@ -36,6 +36,7 @@ void  MagAlpha::begin(int32_t spiSclkFrequency, uint8_t spiMode, uint8_t spiChip
 }
 
 void MagAlpha::end(){
+    SPI.endTransaction();
     SPI.end();
 }
 
@@ -132,12 +133,14 @@ uint8_t MagAlpha::writeRegister(uint8_t address, uint8_t value){
 
 void MagAlpha::setSpiClockFrequency(uint32_t speedMaximum){
     _speedMaximum = speedMaximum;
+    SPI.endTransaction();
     SPI.beginTransaction(SPISettings(_speedMaximum, MSBFIRST, _spiMode));
 }
 
 void MagAlpha::setSpiDataMode(uint8_t spiMode){
     _spiMode = spiMode;
-    SPI.setDataMode(_spiMode);
+    SPI.endTransaction();
+    SPI.beginTransaction(SPISettings(_speedMaximum, MSBFIRST, _spiMode));
 }
 
 void MagAlpha::setSpiChipSelectPin(uint8_t spiChipSelectPin){
@@ -167,6 +170,7 @@ void  MagAlphaSSI::begin(int32_t ssiSsckFrequency){
 }
 
 void MagAlphaSSI::end(){
+    SPI.endTransaction();
     SPI.end();
 }
 
@@ -234,6 +238,7 @@ uint16_t MagAlphaSSI::readAngleRaw(bool* error){
 
 void MagAlphaSSI::setSsiClockFrequency(uint32_t speedMaximum){
     _speedMaximum = speedMaximum;
+    SPI.endTransaction();
     SPI.beginTransaction(SPISettings(_speedMaximum, MSBFIRST, SSI_MODE));
 }