mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
synced 2024-10-05 20:47:50 -04:00
.
This commit is contained in:
parent
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commit
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47
ESP32-IDF_BMP280/.devcontainer/Dockerfile
Normal file
47
ESP32-IDF_BMP280/.devcontainer/Dockerfile
Normal file
@ -0,0 +1,47 @@
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FROM espressif/idf
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ARG DEBIAN_FRONTEND=nointeractive
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ARG CONTAINER_USER=esp
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ARG USER_UID=1050
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ARG USER_GID=$USER_UID
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RUN apt-get update \
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&& apt install -y -q \
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cmake \
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git \
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libglib2.0-0 \
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libnuma1 \
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libpixman-1-0 \
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&& rm -rf /var/lib/apt/lists/*
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# QEMU
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ENV QEMU_REL=esp_develop_8.2.0_20240122
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ENV QEMU_SHA256=e7c72ef5705ad1444d391711088c8717fc89f42e9bf6d1487f9c2a326b8cfa83
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ENV QEMU_DIST=qemu-xtensa-softmmu-${QEMU_REL}-x86_64-linux-gnu.tar.xz
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ENV QEMU_URL=https://github.com/espressif/qemu/releases/download/esp-develop-8.2.0-20240122/${QEMU_DIST}
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ENV LC_ALL=C.UTF-8
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ENV LANG=C.UTF-8
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RUN wget --no-verbose ${QEMU_URL} \
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&& echo "${QEMU_SHA256} *${QEMU_DIST}" | sha256sum --check --strict - \
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&& tar -xf $QEMU_DIST -C /opt \
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&& rm ${QEMU_DIST}
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ENV PATH=/opt/qemu/bin:${PATH}
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RUN groupadd --gid $USER_GID $CONTAINER_USER \
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&& adduser --uid $USER_UID --gid $USER_GID --disabled-password --gecos "" ${CONTAINER_USER} \
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&& usermod -a -G root $CONTAINER_USER && usermod -a -G dialout $CONTAINER_USER
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RUN chmod -R 775 /opt/esp/python_env/
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USER ${CONTAINER_USER}
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ENV USER=${CONTAINER_USER}
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WORKDIR /home/${CONTAINER_USER}
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RUN echo "source /opt/esp/idf/export.sh > /dev/null 2>&1" >> ~/.bashrc
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ENTRYPOINT [ "/opt/esp/entrypoint.sh" ]
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CMD ["/bin/bash", "-c"]
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36
ESP32-IDF_BMP280/.devcontainer/devcontainer.json
Normal file
36
ESP32-IDF_BMP280/.devcontainer/devcontainer.json
Normal file
@ -0,0 +1,36 @@
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{
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"name": "ESP-IDF QEMU",
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"build": {
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"dockerfile": "Dockerfile"
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},
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"customizations": {
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"vscode": {
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"settings": {
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"terminal.integrated.defaultProfile.linux": "bash",
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"idf.espIdfPath": "/opt/esp/idf",
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"idf.customExtraPaths": "",
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"idf.pythonBinPath": "/opt/esp/python_env/idf5.4_py3.12_env/bin/python",
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"idf.toolsPath": "/opt/esp",
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"idf.gitPath": "/usr/bin/git"
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},
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"extensions": [
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"espressif.esp-idf-extension"
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]
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},
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"codespaces": {
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"settings": {
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"terminal.integrated.defaultProfile.linux": "bash",
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"idf.espIdfPath": "/opt/esp/idf",
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"idf.customExtraPaths": "",
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"idf.pythonBinPath": "/opt/esp/python_env/idf5.4_py3.12_env/bin/python",
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"idf.toolsPath": "/opt/esp",
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"idf.gitPath": "/usr/bin/git"
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},
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"extensions": [
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"espressif.esp-idf-extension",
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"espressif.esp-idf-web"
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]
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}
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},
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"runArgs": ["--privileged"]
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}
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@ -1 +0,0 @@
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3ec9124805f17548b68b6799cb45c95081eae621
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23
ESP32-IDF_BMP280/.vscode/c_cpp_properties.json
vendored
Normal file
23
ESP32-IDF_BMP280/.vscode/c_cpp_properties.json
vendored
Normal file
@ -0,0 +1,23 @@
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{
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"configurations": [
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{
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"name": "ESP-IDF",
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"compilerPath": "${config:idf.toolsPathWin}undefined",
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"compileCommands": "${config:idf.buildPath}/compile_commands.json",
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"includePath": [
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"${config:idf.espIdfPath}/components/**",
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"${config:idf.espIdfPathWin}/components/**",
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"${workspaceFolder}/**"
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],
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"browse": {
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"path": [
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"${config:idf.espIdfPath}/components",
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"${config:idf.espIdfPathWin}/components",
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"${workspaceFolder}"
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],
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"limitSymbolsToIncludedHeaders": true
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}
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}
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],
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"version": 4
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}
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15
ESP32-IDF_BMP280/.vscode/launch.json
vendored
Normal file
15
ESP32-IDF_BMP280/.vscode/launch.json
vendored
Normal file
@ -0,0 +1,15 @@
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{
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"version": "0.2.0",
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"configurations": [
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{
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"type": "gdbtarget",
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"request": "attach",
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"name": "Eclipse CDT GDB Adapter"
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},
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{
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"type": "espidf",
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"name": "Launch",
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"request": "launch"
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}
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]
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}
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17
ESP32-IDF_BMP280/.vscode/settings.json
vendored
Normal file
17
ESP32-IDF_BMP280/.vscode/settings.json
vendored
Normal file
@ -0,0 +1,17 @@
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{
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"C_Cpp.intelliSenseEngine": "default",
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"idf.adapterTargetName": "esp32",
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"idf.customExtraPaths": "/home/alex/esp/esp-idf/tools/tools/xtensa-esp-elf-gdb/14.2_20240403/xtensa-esp-elf-gdb/bin:/home/alex/esp/esp-idf/tools/tools/riscv32-esp-elf-gdb/14.2_20240403/riscv32-esp-elf-gdb/bin:/home/alex/esp/esp-idf/tools/tools/xtensa-esp-elf/esp-13.2.0_20240530/xtensa-esp-elf/bin:/home/alex/esp/esp-idf/tools/tools/riscv32-esp-elf/esp-13.2.0_20240530/riscv32-esp-elf/bin:/home/alex/esp/esp-idf/tools/tools/esp32ulp-elf/2.38_20240113/esp32ulp-elf/bin:/home/alex/esp/esp-idf/tools/tools/cmake/3.24.0/bin:/home/alex/esp/esp-idf/tools/tools/openocd-esp32/v0.12.0-esp32-20240318/openocd-esp32/bin:/home/alex/esp/esp-idf/tools/tools/ninja/1.11.1:/home/alex/esp/esp-idf/tools/tools/esp-rom-elfs/20240305",
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"idf.customExtraVars": {
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"OPENOCD_SCRIPTS": "/home/alex/esp/esp-idf/tools/tools/openocd-esp32/v0.12.0-esp32-20240318/openocd-esp32/share/openocd/scripts",
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"ESP_ROM_ELF_DIR": "/home/alex/esp/esp-idf/tools/tools/esp-rom-elfs/20240305/"
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},
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"idf.espIdfPathWin": "C:\\Users\\alex\\esp\\v5.2.2\\esp-idf",
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"idf.openOcdConfigs": [
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"interface/ftdi/esp32_devkitj_v1.cfg",
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"target/esp32.cfg"
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],
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"idf.portWin": "COM23",
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"idf.pythonBinPathWin": "c:\\Users\\alex\\.espressif\\tools\\python_env\\idf5.2_py3.11_env\\Scripts\\python.exe",
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"idf.toolsPathWin": "c:\\Users\\alex\\.espressif\\tools"
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}
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259
ESP32-IDF_BMP280/.vscode/tasks.json
vendored
Normal file
259
ESP32-IDF_BMP280/.vscode/tasks.json
vendored
Normal file
@ -0,0 +1,259 @@
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{
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"version": "2.0.0",
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"tasks": [
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{
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"label": "Build - Build project",
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"type": "shell",
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"command": "${config:idf.pythonBinPath} ${config:idf.espIdfPath}/tools/idf.py build",
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"windows": {
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"command": "${config:idf.pythonBinPathWin} ${config:idf.espIdfPathWin}\\tools\\idf.py build",
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"options": {
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"env": {
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"PATH": "${env:PATH};${config:idf.customExtraPaths}"
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}
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}
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},
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"options": {
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"env": {
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"PATH": "${env:PATH}:${config:idf.customExtraPaths}"
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}
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},
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"problemMatcher": [
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{
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"owner": "cpp",
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"fileLocation": [
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"autoDetect",
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"${workspaceFolder}"
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],
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"pattern": {
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"regexp": "^(.*?):(\\d+):(\\d*):?\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
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"file": 1,
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"line": 2,
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"column": 3,
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"severity": 4,
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"message": 5
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}
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}
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],
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"group": {
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"kind": "build",
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"isDefault": true
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}
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},
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{
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"label": "Set ESP-IDF Target",
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"type": "shell",
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"command": "${command:espIdf.setTarget}",
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"problemMatcher": {
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"owner": "cpp",
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"fileLocation": [
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||||
"autoDetect",
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||||
"${workspaceFolder}"
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||||
],
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||||
"pattern": {
|
||||
"regexp": "^(.*?):(\\d+):(\\d*):?\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
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||||
"file": 1,
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||||
"line": 2,
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||||
"column": 3,
|
||||
"severity": 4,
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||||
"message": 5
|
||||
}
|
||||
}
|
||||
},
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||||
{
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||||
"label": "Clean - Clean the project",
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||||
"type": "shell",
|
||||
"command": "${config:idf.pythonBinPath} ${config:idf.espIdfPath}/tools/idf.py fullclean",
|
||||
"windows": {
|
||||
"command": "${config:idf.pythonBinPathWin} ${config:idf.espIdfPathWin}\\tools\\idf.py fullclean",
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH};${config:idf.customExtraPaths}"
|
||||
}
|
||||
}
|
||||
},
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": [
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": [
|
||||
"autoDetect",
|
||||
"${workspaceFolder}"
|
||||
],
|
||||
"pattern": {
|
||||
"regexp": "^(.*?):(\\d+):(\\d*):?\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
|
||||
"file": 1,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 5
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"label": "Flash - Flash the device",
|
||||
"type": "shell",
|
||||
"command": "${config:idf.pythonBinPath} ${config:idf.espIdfPath}/tools/idf.py -p ${config:idf.port} -b ${config:idf.flashBaudRate} flash",
|
||||
"windows": {
|
||||
"command": "${config:idf.pythonBinPathWin} ${config:idf.espIdfPathWin}\\tools\\idf.py flash -p ${config:idf.portWin} -b ${config:idf.flashBaudRate}",
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH};${config:idf.customExtraPaths}"
|
||||
}
|
||||
}
|
||||
},
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": [
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": [
|
||||
"autoDetect",
|
||||
"${workspaceFolder}"
|
||||
],
|
||||
"pattern": {
|
||||
"regexp": "^(.*?):(\\d+):(\\d*):?\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
|
||||
"file": 1,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 5
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
{
|
||||
"label": "Monitor: Start the monitor",
|
||||
"type": "shell",
|
||||
"command": "${config:idf.pythonBinPath} ${config:idf.espIdfPath}/tools/idf.py -p ${config:idf.port} monitor",
|
||||
"windows": {
|
||||
"command": "${config:idf.pythonBinPathWin} ${config:idf.espIdfPathWin}\\tools\\idf.py -p ${config:idf.portWin} monitor",
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH};${config:idf.customExtraPaths}"
|
||||
}
|
||||
}
|
||||
},
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": [
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": [
|
||||
"autoDetect",
|
||||
"${workspaceFolder}"
|
||||
],
|
||||
"pattern": {
|
||||
"regexp": "^(.*?):(\\d+):(\\d*):?\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
|
||||
"file": 1,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 5
|
||||
}
|
||||
}
|
||||
],
|
||||
"dependsOn": "Flash - Flash the device"
|
||||
},
|
||||
{
|
||||
"label": "OpenOCD: Start openOCD",
|
||||
"type": "shell",
|
||||
"presentation": {
|
||||
"echo": true,
|
||||
"reveal": "never",
|
||||
"focus": false,
|
||||
"panel": "new"
|
||||
},
|
||||
"command": "openocd -s ${command:espIdf.getOpenOcdScriptValue} ${command:espIdf.getOpenOcdConfigs}",
|
||||
"windows": {
|
||||
"command": "openocd.exe -s ${command:espIdf.getOpenOcdScriptValue} ${command:espIdf.getOpenOcdConfigs}",
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH};${config:idf.customExtraPaths}"
|
||||
}
|
||||
}
|
||||
},
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": {
|
||||
"owner": "cpp",
|
||||
"fileLocation": [
|
||||
"autoDetect",
|
||||
"${workspaceFolder}"
|
||||
],
|
||||
"pattern": {
|
||||
"regexp": "^(.*?):(\\d+):(\\d*):?\\s+(?:fatal\\s+)?(warning|error):\\s+(.*)$",
|
||||
"file": 1,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 5
|
||||
}
|
||||
}
|
||||
},
|
||||
{
|
||||
"label": "adapter",
|
||||
"type": "shell",
|
||||
"command": "${config:idf.pythonBinPath}",
|
||||
"isBackground": true,
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH}:${config:idf.customExtraPaths}",
|
||||
"PYTHONPATH": "${command:espIdf.getExtensionPath}/esp_debug_adapter/debug_adapter"
|
||||
}
|
||||
},
|
||||
"problemMatcher": {
|
||||
"background": {
|
||||
"beginsPattern": "\bDEBUG_ADAPTER_STARTED\b",
|
||||
"endsPattern": "DEBUG_ADAPTER_READY2CONNECT",
|
||||
"activeOnStart": true
|
||||
},
|
||||
"pattern": {
|
||||
"regexp": "(\\d+)-(\\d+)-(\\d+)\\s(\\d+):(\\d+):(\\d+),(\\d+)\\s-(.+)\\s(ERROR)",
|
||||
"file": 8,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 9
|
||||
}
|
||||
},
|
||||
"args": [
|
||||
"${command:espIdf.getExtensionPath}/esp_debug_adapter/debug_adapter_main.py",
|
||||
"-e",
|
||||
"${workspaceFolder}/build/${command:espIdf.getProjectName}.elf",
|
||||
"-s",
|
||||
"$OPENOCD_SCRIPTS",
|
||||
"-dn",
|
||||
"esp32",
|
||||
"-om",
|
||||
"connect_to_instance",
|
||||
"-t",
|
||||
"xtensa-esp32-elf-"
|
||||
|
||||
],
|
||||
"windows": {
|
||||
"command": "${config:idf.pythonBinPathWin}",
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH};${config:idf.customExtraPaths}",
|
||||
"PYTHONPATH": "${command:espIdf.getExtensionPath}/esp_debug_adapter/debug_adapter"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
6
ESP32-IDF_BMP280/CMakeLists.txt
Normal file
6
ESP32-IDF_BMP280/CMakeLists.txt
Normal file
@ -0,0 +1,6 @@
|
||||
# The following lines of boilerplate have to be in your project's CMakeLists
|
||||
# in this exact order for cmake to work correctly
|
||||
cmake_minimum_required(VERSION 3.16)
|
||||
|
||||
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
|
||||
project(ESP32-IDF_BMP280)
|
||||
52
ESP32-IDF_BMP280/README.md
Normal file
52
ESP32-IDF_BMP280/README.md
Normal file
@ -0,0 +1,52 @@
|
||||
| Supported Targets | ESP32 | ESP32-C3 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S2 | ESP32-S3 |
|
||||
| ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |
|
||||
|
||||
# I2C Simple Example
|
||||
|
||||
(See the README.md file in the upper level 'examples' directory for more information about examples.)
|
||||
|
||||
## Overview
|
||||
|
||||
This example demonstrates basic usage of I2C driver by reading and writing from a I2C connected sensor:
|
||||
|
||||
If you have a new I2C application to go (for example, read the temperature data from external sensor with I2C interface), try this as a basic template, then add your own code.
|
||||
|
||||
## How to use example
|
||||
|
||||
### Hardware Required
|
||||
|
||||
To run this example, you should have one ESP32, ESP32-S, ESP32-C or ESP32-H based development board as well as a MPU9250. MPU9250 is a inertial measurement unit, which contains a accelerometer, gyroscope as well as a magnetometer, for more information about it, you can read the [datasheet of the MPU9250 sensor](https://invensense.tdk.com/wp-content/uploads/2015/02/PS-MPU-9250A-01-v1.1.pdf).
|
||||
|
||||
#### Pin Assignment:
|
||||
|
||||
**Note:** The following pin assignments are used by default, you can change these in the `menuconfig` .
|
||||
|
||||
| | SDA | SCL |
|
||||
| ---------------- | -------------- | -------------- |
|
||||
| ESP I2C Master | I2C_MASTER_SDA | I2C_MASTER_SCL |
|
||||
| MPU9250 Sensor | SDA | SCL |
|
||||
|
||||
|
||||
For the actual default value of `I2C_MASTER_SDA` and `I2C_MASTER_SCL` see `Example Configuration` in `menuconfig`.
|
||||
|
||||
**Note:** There's no need to add an external pull-up resistors for SDA/SCL pin, because the driver will enable the internal pull-up resistors.
|
||||
|
||||
### Build and Flash
|
||||
|
||||
Enter `idf.py -p PORT flash monitor` to build, flash and monitor the project.
|
||||
|
||||
(To exit the serial monitor, type ``Ctrl-]``.)
|
||||
|
||||
See the [Getting Started Guide](https://docs.espressif.com/projects/esp-idf/en/latest/get-started/index.html) for full steps to configure and use ESP-IDF to build projects.
|
||||
|
||||
## Example Output
|
||||
|
||||
```bash
|
||||
I (328) i2c-simple-example: I2C initialized successfully
|
||||
I (338) i2c-simple-example: WHO_AM_I = 71
|
||||
I (338) i2c-simple-example: I2C de-initialized successfully
|
||||
```
|
||||
|
||||
## Troubleshooting
|
||||
|
||||
(For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you as soon as possible.)
|
||||
@ -1,39 +0,0 @@
|
||||
|
||||
This directory is intended for project header files.
|
||||
|
||||
A header file is a file containing C declarations and macro definitions
|
||||
to be shared between several project source files. You request the use of a
|
||||
header file in your project source file (C, C++, etc) located in `src` folder
|
||||
by including it, with the C preprocessing directive `#include'.
|
||||
|
||||
```src/main.c
|
||||
|
||||
#include "header.h"
|
||||
|
||||
int main (void)
|
||||
{
|
||||
...
|
||||
}
|
||||
```
|
||||
|
||||
Including a header file produces the same results as copying the header file
|
||||
into each source file that needs it. Such copying would be time-consuming
|
||||
and error-prone. With a header file, the related declarations appear
|
||||
in only one place. If they need to be changed, they can be changed in one
|
||||
place, and programs that include the header file will automatically use the
|
||||
new version when next recompiled. The header file eliminates the labor of
|
||||
finding and changing all the copies as well as the risk that a failure to
|
||||
find one copy will result in inconsistencies within a program.
|
||||
|
||||
In C, the usual convention is to give header files names that end with `.h'.
|
||||
It is most portable to use only letters, digits, dashes, and underscores in
|
||||
header file names, and at most one dot.
|
||||
|
||||
Read more about using header files in official GCC documentation:
|
||||
|
||||
* Include Syntax
|
||||
* Include Operation
|
||||
* Once-Only Headers
|
||||
* Computed Includes
|
||||
|
||||
https://gcc.gnu.org/onlinedocs/cpp/Header-Files.html
|
||||
@ -1,46 +0,0 @@
|
||||
|
||||
This directory is intended for project specific (private) libraries.
|
||||
PlatformIO will compile them to static libraries and link into executable file.
|
||||
|
||||
The source code of each library should be placed in an own separate directory
|
||||
("lib/your_library_name/[here are source files]").
|
||||
|
||||
For example, see a structure of the following two libraries `Foo` and `Bar`:
|
||||
|
||||
|--lib
|
||||
| |
|
||||
| |--Bar
|
||||
| | |--docs
|
||||
| | |--examples
|
||||
| | |--src
|
||||
| | |- Bar.c
|
||||
| | |- Bar.h
|
||||
| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
|
||||
| |
|
||||
| |--Foo
|
||||
| | |- Foo.c
|
||||
| | |- Foo.h
|
||||
| |
|
||||
| |- README --> THIS FILE
|
||||
|
|
||||
|- platformio.ini
|
||||
|--src
|
||||
|- main.c
|
||||
|
||||
and a contents of `src/main.c`:
|
||||
```
|
||||
#include <Foo.h>
|
||||
#include <Bar.h>
|
||||
|
||||
int main (void)
|
||||
{
|
||||
...
|
||||
}
|
||||
|
||||
```
|
||||
|
||||
PlatformIO Library Dependency Finder will find automatically dependent
|
||||
libraries scanning project source files.
|
||||
|
||||
More information about PlatformIO Library Dependency Finder
|
||||
- https://docs.platformio.org/page/librarymanager/ldf.html
|
||||
2
ESP32-IDF_BMP280/main/CMakeLists.txt
Normal file
2
ESP32-IDF_BMP280/main/CMakeLists.txt
Normal file
@ -0,0 +1,2 @@
|
||||
idf_component_register(SRCS "i2c_simple_main.c"
|
||||
INCLUDE_DIRS ".")
|
||||
21
ESP32-IDF_BMP280/main/Kconfig.projbuild
Normal file
21
ESP32-IDF_BMP280/main/Kconfig.projbuild
Normal file
@ -0,0 +1,21 @@
|
||||
menu "Example Configuration"
|
||||
|
||||
orsource "$IDF_PATH/examples/common_components/env_caps/$IDF_TARGET/Kconfig.env_caps"
|
||||
|
||||
config I2C_MASTER_SCL
|
||||
int "SCL GPIO Num"
|
||||
range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
|
||||
default 19 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
|
||||
default 2
|
||||
help
|
||||
GPIO number for I2C Master clock line.
|
||||
|
||||
config I2C_MASTER_SDA
|
||||
int "SDA GPIO Num"
|
||||
range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
|
||||
default 18 if IDF_TARGET_ESP32 || IDF_TARGET_ESP32S2 || IDF_TARGET_ESP32S3
|
||||
default 1
|
||||
help
|
||||
GPIO number for I2C Master data line.
|
||||
|
||||
endmenu
|
||||
96
ESP32-IDF_BMP280/main/i2c_simple_main.c
Normal file
96
ESP32-IDF_BMP280/main/i2c_simple_main.c
Normal file
@ -0,0 +1,96 @@
|
||||
/* i2c - Simple example
|
||||
|
||||
Simple I2C example that shows how to initialize I2C
|
||||
as well as reading and writing from and to registers for a sensor connected over I2C.
|
||||
|
||||
The sensor used in this example is a MPU9250 inertial measurement unit.
|
||||
|
||||
For other examples please check:
|
||||
https://github.com/espressif/esp-idf/tree/master/examples
|
||||
|
||||
See README.md file to get detailed usage of this example.
|
||||
|
||||
This example code is in the Public Domain (or CC0 licensed, at your option.)
|
||||
|
||||
Unless required by applicable law or agreed to in writing, this
|
||||
software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
|
||||
CONDITIONS OF ANY KIND, either express or implied.
|
||||
*/
|
||||
#include <stdio.h>
|
||||
#include "esp_log.h"
|
||||
#include "driver/i2c.h"
|
||||
|
||||
static const char *TAG = "i2c-simple-example";
|
||||
|
||||
#define I2C_MASTER_SCL_IO CONFIG_I2C_MASTER_SCL /*!< GPIO number used for I2C master clock */
|
||||
#define I2C_MASTER_SDA_IO CONFIG_I2C_MASTER_SDA /*!< GPIO number used for I2C master data */
|
||||
#define I2C_MASTER_NUM 0 /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
|
||||
#define I2C_MASTER_FREQ_HZ 400000 /*!< I2C master clock frequency */
|
||||
#define I2C_MASTER_TX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
|
||||
#define I2C_MASTER_RX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
|
||||
#define I2C_MASTER_TIMEOUT_MS 1000
|
||||
|
||||
#define MPU9250_SENSOR_ADDR 0x68 /*!< Slave address of the MPU9250 sensor */
|
||||
#define MPU9250_WHO_AM_I_REG_ADDR 0x75 /*!< Register addresses of the "who am I" register */
|
||||
|
||||
#define MPU9250_PWR_MGMT_1_REG_ADDR 0x6B /*!< Register addresses of the power managment register */
|
||||
#define MPU9250_RESET_BIT 7
|
||||
|
||||
/**
|
||||
* @brief Read a sequence of bytes from a MPU9250 sensor registers
|
||||
*/
|
||||
static esp_err_t mpu9250_register_read(uint8_t reg_addr, uint8_t *data, size_t len)
|
||||
{
|
||||
return i2c_master_write_read_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, ®_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Write a byte to a MPU9250 sensor register
|
||||
*/
|
||||
static esp_err_t mpu9250_register_write_byte(uint8_t reg_addr, uint8_t data)
|
||||
{
|
||||
int ret;
|
||||
uint8_t write_buf[2] = {reg_addr, data};
|
||||
|
||||
ret = i2c_master_write_to_device(I2C_MASTER_NUM, MPU9250_SENSOR_ADDR, write_buf, sizeof(write_buf), I2C_MASTER_TIMEOUT_MS / portTICK_PERIOD_MS);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief i2c master initialization
|
||||
*/
|
||||
static esp_err_t i2c_master_init(void)
|
||||
{
|
||||
int i2c_master_port = I2C_MASTER_NUM;
|
||||
|
||||
i2c_config_t conf = {
|
||||
.mode = I2C_MODE_MASTER,
|
||||
.sda_io_num = I2C_MASTER_SDA_IO,
|
||||
.scl_io_num = I2C_MASTER_SCL_IO,
|
||||
.sda_pullup_en = GPIO_PULLUP_ENABLE,
|
||||
.scl_pullup_en = GPIO_PULLUP_ENABLE,
|
||||
.master.clk_speed = I2C_MASTER_FREQ_HZ,
|
||||
};
|
||||
|
||||
i2c_param_config(i2c_master_port, &conf);
|
||||
|
||||
return i2c_driver_install(i2c_master_port, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);
|
||||
}
|
||||
|
||||
void app_main(void)
|
||||
{
|
||||
uint8_t data[2];
|
||||
ESP_ERROR_CHECK(i2c_master_init());
|
||||
ESP_LOGI(TAG, "I2C initialized successfully");
|
||||
|
||||
/* Read the MPU9250 WHO_AM_I register, on power up the register should have the value 0x71 */
|
||||
ESP_ERROR_CHECK(mpu9250_register_read(MPU9250_WHO_AM_I_REG_ADDR, data, 1));
|
||||
ESP_LOGI(TAG, "WHO_AM_I = %X", data[0]);
|
||||
|
||||
/* Demonstrate writing by reseting the MPU9250 */
|
||||
ESP_ERROR_CHECK(mpu9250_register_write_byte(MPU9250_PWR_MGMT_1_REG_ADDR, 1 << MPU9250_RESET_BIT));
|
||||
|
||||
ESP_ERROR_CHECK(i2c_driver_delete(I2C_MASTER_NUM));
|
||||
ESP_LOGI(TAG, "I2C de-initialized successfully");
|
||||
}
|
||||
@ -1,14 +0,0 @@
|
||||
; PlatformIO Project Configuration File
|
||||
;
|
||||
; Build options: build flags, source filter
|
||||
; Upload options: custom upload port, speed and extra flags
|
||||
; Library options: dependencies, extra library storages
|
||||
; Advanced options: extra scripting
|
||||
;
|
||||
; Please visit documentation for the other options and examples
|
||||
; https://docs.platformio.org/page/projectconf.html
|
||||
|
||||
[env:esp32dev]
|
||||
platform = espressif32
|
||||
board = esp32dev
|
||||
framework = espidf
|
||||
@ -1,11 +0,0 @@
|
||||
|
||||
This directory is intended for PlatformIO Test Runner and project tests.
|
||||
|
||||
Unit Testing is a software testing method by which individual units of
|
||||
source code, sets of one or more MCU program modules together with associated
|
||||
control data, usage procedures, and operating procedures, are tested to
|
||||
determine whether they are fit for use. Unit testing finds problems early
|
||||
in the development cycle.
|
||||
|
||||
More information about PlatformIO Unit Testing:
|
||||
- https://docs.platformio.org/en/latest/advanced/unit-testing/index.html
|
||||
Loading…
Reference in New Issue
Block a user