Merge branch 'master' of https://github.com/cnlohr/ch32v003fun

.github/workflows/build.yml

+name: PlatformIO CI
+
+on: [push, pull_request]
+
+jobs:
+  # Build using native Makefile buildsystem
+  makefile-build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install Dependencies
+      run: sudo apt-get update && sudo apt-get install -y build-essential make libnewlib-dev gcc-riscv64-unknown-elf libusb-1.0-0-dev
+    - name: Build Blink Example
+      run: cd examples/blink && make V=1 -j3 blink.elf && riscv64-unknown-elf-size blink.elf && cd ../..
+    - name: Build debugprintfdemo Example
+      run: cd examples/debugprintfdemo && make V=1 -j3 debugprintfdemo.elf && riscv64-unknown-elf-size debugprintfdemo.elf && cd ../..
+    # currently not compiling: __get_dscratch0() not defined.
+    #- name: Build sandbox Example
+    #  run: cd examples/sandbox && make V=1 -j3 sandbox.elf && riscv64-unknown-elf-size sandbox.elf && cd ../..
+    - name: Build uartdemo Example
+      run: cd examples/uartdemo && make V=1 -j3 uartdemo.elf && riscv64-unknown-elf-size uartdemo.elf && cd ../..
+    - name: Build ws2812 Example
+      run: cd examples/ws2812demo && make V=1 -j3 ws2812bdemo.elf && riscv64-unknown-elf-size ws2812bdemo.elf && cd ../..
+  # Build using PlatformIO
+  pio-build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [windows-latest, ubuntu-latest]
+    runs-on: ${{ matrix.os }}
+    steps:
+    - uses: actions/checkout@v3
+    - name: Cache pip
+      uses: actions/cache@v3
+      with:
+        path: ~/.cache/pip
+        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
+        restore-keys: |
+          ${{ runner.os }}-pip-
+    - name: Cache PlatformIO
+      uses: actions/cache@v3
+      with:
+        path: ~/.platformio
+        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: "3.9"
+    - name: Install PlatformIO
+      run: |
+        python -m pip install --upgrade pip
+        pip install --upgrade platformio
+    - name: Run PlatformIO
+      run: pio run

.gitignore

+.pio
+.vscode
 *.elf
 *.hex
 *.lst
 *.bin
 *.map
-

README.md

@@ -62,6 +62,12 @@ Currently, it ignores all the respone codes, except when querying the chip.  But
 
 Anyone who wants to write a good/nice utility should probably look at the code in this folder.
 
+## VSCode + PlatformIO
+
+This project can also be built, uploaded and debugged with VSCode and the PlatformIO extension. Simply clone and open this project in VSCode and have the PlatformIO extension installed.
+
+See [here](https://github.com/Community-PIO-CH32V/platform-ch32v) for further details.
+
 ## Quick Reference
  * Needed for programming/debugging: `SWIO` is on `PD1`
  * Optional (not needed, can be configured as output if fuse set): `NRST` is on `PD7`

platformio.ini

+; see https://docs.platformio.org/en/latest/projectconf/index.html
+[platformio]
+src_dir = .
+include_dir = .
+
+[env]
+platform = https://github.com/Community-PIO-CH32V/platform-ch32v.git
+; or genericCH32V003A4M6 or whatever, see platform link
+board = ch32v003f4p6_evt_r0
+monitor_speed = 115200
+; use a source filter to only build certain folders / files
+
+; for examples that use ch32v003evt as their base
+[evt_base]
+board_build.ldscript = ch32v003evt/ch32v003.ld
+build_flags = -flto -Ich32v003evt -lgcc
+build_src_filter = +<ch32v003evt>
+
+; for examples that use ch32v003fun as their base
+[fun_base]
+board_build.ldscript = ch32v003fun/ch32v003fun.ld
+build_flags = -flto -Ich32v003fun -I/usr/include/newlib -DTINYVECTOR -lgcc
+build_src_filter = +<ch32v003fun>
+
+[env:blink]
+extends = fun_base
+build_src_filter = ${fun_base.build_src_filter} +<examples/blink>
+
+[env:debugprintfdemo]
+extends = fun_base
+build_src_filter = ${fun_base.build_src_filter} +<examples/debugprintfdemo>
+
+; sandbox demo does currently not compile (undefined reference to `__get_dscratch0')
+;[env:sandbox]
+;extends = fun_base
+;build_src_filter = ${fun_base.build_src_filter} +<examples/sandbox>
+
+[env:uartdemo]
+extends = fun_base
+build_src_filter = ${fun_base.build_src_filter} +<examples/uartdemo>
+
+[env:ws2812demo]
+extends = fun_base
+build_src_filter = ${evt_base.build_src_filter} +<examples/ws2812demo>