Revert "Revert "update to GCC 10""

This reverts commit 45e4264.

Build issues have been resolved.

Author: dlech

.github/workflows/build.yml

@@ -157,14 +157,14 @@ jobs:
       id: check-cache
       uses: actions/cache@v2
       with:
-        path: ${{ runner.tool_cache }}/gcc-arm-9-2020-q2
-        key: gcc-arm-9-2020-q2
+        path: ${{ runner.tool_cache }}/gcc-arm-10-2020-q4
+        key: gcc-arm-10-2020-q4
     - name: Download
       if: steps.check-cache.outputs.cache-hit != 'true'
-      uses: fiam/arm-none-eabi-gcc@v1.0.3
+      uses: dlech/arm-none-eabi-gcc@master
       with:
-        release: '9-2020-q2'
-        directory: ${{ runner.tool_cache }}/gcc-arm-9-2020-q2
+        release: '10-2020-q4'
+        directory: ${{ runner.tool_cache }}/gcc-arm-10-2020-q4
 
   firmware:
     name: firmware
@@ -178,10 +178,10 @@ jobs:
     - name: Install cross-compiler
       uses: actions/cache@v2
       with:
-        path: ${{ runner.tool_cache }}/gcc-arm-9-2020-q2
-        key: gcc-arm-9-2020-q2
+        path: ${{ runner.tool_cache }}/gcc-arm-10-2020-q4
+        key: gcc-arm-10-2020-q4
     - name: Add cross-compiler to path
-      run: echo ${{ runner.tool_cache }}/gcc-arm-9-2020-q2/bin >> $GITHUB_PATH
+      run: echo ${{ runner.tool_cache }}/gcc-arm-10-2020-q4/bin >> $GITHUB_PATH
     - name: Checkout repo
       uses: actions/checkout@v2
       with:
@@ -241,10 +241,10 @@ jobs:
     - name: Install cross-compiler
       uses: actions/cache@v2
       with:
-        path: ${{ runner.tool_cache }}/gcc-arm-9-2020-q2
-        key: gcc-arm-9-2020-q2
+        path: ${{ runner.tool_cache }}/gcc-arm-10-2020-q4
+        key: gcc-arm-10-2020-q4
     - name: Add cross-compiler to path
-      run: echo ${{ runner.tool_cache }}/gcc-arm-9-2020-q2/bin >> $GITHUB_PATH
+      run: echo ${{ runner.tool_cache }}/gcc-arm-10-2020-q4/bin >> $GITHUB_PATH
     - name: Checkout repo
       uses: actions/checkout@v2
       with:

.github/workflows/release.yml

@@ -17,16 +17,16 @@ jobs:
         id: check-cache
         uses: actions/cache@v2
         with:
-          path: ${{ runner.tool_cache }}/gcc-arm-9-2020-q2
-          key: gcc-arm-9-2020-q2
+          path: ${{ runner.tool_cache }}/gcc-arm-10-2020-q4
+          key: gcc-arm-10-2020-q4
       - name: Download
         if: steps.check-cache.outputs.cache-hit != 'true'
-        uses: fiam/arm-none-eabi-gcc@v1.0.3
+        uses: dlech/arm-none-eabi-gcc@master
         with:
-          release: '9-2020-q2'
-          directory: ${{ runner.tool_cache }}/gcc-arm-9-2020-q2
+          release: '10-2020-q4'
+          directory: ${{ runner.tool_cache }}/gcc-arm-10-2020-q4
       - name: Add cross-compiler to path
-        run: echo ${{ runner.tool_cache }}/gcc-arm-9-2020-q2/bin >> $GITHUB_PATH
+        run: echo ${{ runner.tool_cache }}/gcc-arm-10-2020-q4/bin >> $GITHUB_PATH
       - name: Checkout code
         uses: actions/checkout@v2
         with:

.vscode/c_cpp_properties.json

@@ -7,13 +7,13 @@
 //
 // Note: to correctly find the cross compiler if it isn't in $PATH, add:
 //
-//    export GCC_9_ARM_NONE_EABI_BIN=/path/to/gcc-9-arm-none-eabi/bin/
+//    export GCC_10_ARM_NONE_EABI_BIN=/path/to/gcc-10-arm-none-eabi/bin/
 //
 // in .bashrc or .zshrc (trailing slash is required), then restart VS Code.
 
 {
     "env": {
-        "gcc9ArmNoneEabi": "${env:GCC_9_ARM_NONE_EABI_BIN}arm-none-eabi-gcc"
+        "gcc10ArmNoneEabi": "${env:GCC_10_ARM_NONE_EABI_BIN}arm-none-eabi-gcc"
     },
     "configurations": [
         {
@@ -41,7 +41,7 @@
                 "USE_FULL_LL_DRIVER",
                 "FIXMATH_NO_CTYPE"
             ],
-            "compilerPath": "${gcc9ArmNoneEabi}",
+            "compilerPath": "${gcc10ArmNoneEabi}",
             "compilerArgs": [
                 "-Wall",
                 "-Werror",
@@ -81,7 +81,7 @@
                 "USE_FULL_LL_DRIVER",
                 "FIXMATH_NO_CTYPE"
             ],
-            "compilerPath": "${gcc9ArmNoneEabi}",
+            "compilerPath": "${gcc10ArmNoneEabi}",
             "compilerArgs": [
                 "-Wall",
                 "-Werror",
@@ -125,7 +125,7 @@
                 "USE_FULL_LL_DRIVER",
                 "FIXMATH_NO_CTYPE"
             ],
-            "compilerPath": "${gcc9ArmNoneEabi}",
+            "compilerPath": "${gcc10ArmNoneEabi}",
             "compilerArgs": [
                 "-Wall",
                 "-Werror",
@@ -173,7 +173,7 @@
                 "USE_FULL_LL_DRIVER",
                 "FIXMATH_NO_CTYPE"
             ],
-            "compilerPath": "${gcc9ArmNoneEabi}",
+            "compilerPath": "${gcc10ArmNoneEabi}",
             "compilerArgs": [
                 "-Wall",
                 "-Werror",
@@ -209,7 +209,7 @@
                 "MICROPY_ROM_TEXT_COMPRESSION",
                 "FIXMATH_NO_CTYPE"
             ],
-            "compilerPath": "${gcc9ArmNoneEabi}",
+            "compilerPath": "${gcc10ArmNoneEabi}",
             "compilerArgs": [
                 "-mthumb",
                 "-mtune=arm7tdmi",
@@ -242,7 +242,7 @@
                 "STM32_HAL_H=<stm32f4xx_hal.h>",
                 "FIXMATH_NO_CTYPE"
             ],
-            "compilerPath": "${gcc9ArmNoneEabi}",
+            "compilerPath": "${gcc10ArmNoneEabi}",
             "compilerArgs": [
                 "-Wall",
                 "-Werror",

CONTRIBUTING.md

@@ -12,7 +12,7 @@ This is the recommended development environment used by the Pybricks maintainers
 - [Python][python] v3.8.x
 - [Poetry][poetry] v1.x
 - [Uncrustify][uncrustify] v0.71.x
-- [GNU ARM Embedded Toolchain][arm-gcc] v9-2020-q2
+- [GNU ARM Embedded Toolchain][arm-gcc] v10-2020-q4
 - [GNU GCC][gcc] for host operating system
 - [GNU Make][make]
 
@@ -91,7 +91,7 @@ Cygwin and the [GNU ARM Embedded Toolchain][arm-gcc] need to be added to the
 rather than globally via *System Properties*. For example using PowerShell:
 
 ```powershell
-$env:PATH="C:\cygwin64\bin;C:\Program Files (x86)\GNU Arm Embedded Toolchain\9 2020-q2-update\bin;$env:PATH"
+$env:PATH="C:\cygwin64\bin;C:\Program Files (x86)\GNU Arm Embedded Toolchain\10 2020-q4-major\bin;$env:PATH"
 ```
 
 [cygwin]: https://www.cygwin.com/