mirror of
https://github.com/skot/ESP-Miner.git
synced 2025-03-17 13:22:53 +01:00
Added the start to a EMC2101 driver. Setting fan speed works, reading fan speed doesn't.
This commit is contained in:
Skot Croshere
johnny9
parent
bab5ac54aa
commit
d9b4e0e4f0
38
.devcontainer/Dockerfile
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38
.devcontainer/Dockerfile
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@ -0,0 +1,38 @@
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FROM espressif/idf
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ARG DEBIAN_FRONTEND=nointeractive
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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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hwdata \
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libglib2.0-0 \
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libnuma1 \
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libpixman-1-0 \
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linux-tools-virtual \
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&& rm -rf /var/lib/apt/lists/*
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RUN update-alternatives --install /usr/local/bin/usbip usbip `ls /usr/lib/linux-tools/*/usbip | tail -n1` 20
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# QEMU
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ENV QEMU_REL=esp-develop-20220919
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ENV QEMU_SHA256=f6565d3f0d1e463a63a7f81aec94cce62df662bd42fc7606de4b4418ed55f870
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ENV QEMU_DIST=qemu-${QEMU_REL}.tar.bz2
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ENV QEMU_URL=https://github.com/espressif/qemu/releases/download/${QEMU_REL}/${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 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"]
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29
.devcontainer/devcontainer.json
Normal file
29
.devcontainer/devcontainer.json
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@ -0,0 +1,29 @@
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// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
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// https://github.com/microsoft/vscode-dev-containers/tree/v0.183.0/containers/ubuntu
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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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// Add the IDs of extensions you want installed when the container is created.
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"extensions": [
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"ms-vscode.cpptools",
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"espressif.esp-idf-extension"
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],
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"workspaceMount": "source=${localWorkspaceFolder},target=/workspaces,type=bind",
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/* the path of workspace folder to be opened after container is running
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*/
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"workspaceFolder": "/workspaces",
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"mounts": [
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"source=extensionCache,target=/root/.vscode-server/extensions,type=volume"
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],
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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/idf5.1_py3.8_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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"runArgs": ["--privileged"]
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}
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29
.vscode/c_cpp_properties.json
vendored
Normal file
29
.vscode/c_cpp_properties.json
vendored
Normal file
@ -0,0 +1,29 @@
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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": "/Users/skot/.espressif/tools/xtensa-esp32s3-elf/esp-2021r2-patch3-8.4.0/xtensa-esp32s3-elf/bin/xtensa-esp32s3-elf-gcc",
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"cStandard": "c11",
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"cppStandard": "c++17",
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"includePath": [
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"${config:idf.espIdfPath}/components/**",
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"${config:idf.espIdfPathWin}/components/**",
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"${config:idf.espAdfPath}/components/**",
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"${config:idf.espAdfPathWin}/components/**",
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"${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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"${config:idf.espAdfPath}/components/**",
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"${config:idf.espAdfPathWin}/components/**",
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"${workspaceFolder}"
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],
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"limitSymbolsToIncludedHeaders": false
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},
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"compileCommands": "${workspaceFolder}/build/compile_commands.json"
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}
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],
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"version": 4
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}
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10
.vscode/launch.json
vendored
Normal file
10
.vscode/launch.json
vendored
Normal file
@ -0,0 +1,10 @@
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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": "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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22
.vscode/settings.json
vendored
Normal file
22
.vscode/settings.json
vendored
Normal file
@ -0,0 +1,22 @@
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{
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"C_Cpp.intelliSenseEngine": "Tag Parser",
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"idf.adapterTargetName": "esp32s3",
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"idf.customExtraPaths": "/Users/skot/.espressif/tools/xtensa-esp32-elf/esp-2021r2-patch3-8.4.0/xtensa-esp32-elf/bin:/Users/skot/.espressif/tools/xtensa-esp32s2-elf/esp-2021r2-patch3-8.4.0/xtensa-esp32s2-elf/bin:/Users/skot/.espressif/tools/xtensa-esp32s3-elf/esp-2021r2-patch3-8.4.0/xtensa-esp32s3-elf/bin:/Users/skot/.espressif/tools/riscv32-esp-elf/esp-2021r2-patch3-8.4.0/riscv32-esp-elf/bin:/Users/skot/.espressif/tools/esp32ulp-elf/2.28.51-esp-20191205/esp32ulp-elf-binutils/bin:/Users/skot/.espressif/tools/esp32s2ulp-elf/2.28.51-esp-20191205/esp32s2ulp-elf-binutils/bin:/Users/skot/.espressif/tools/openocd-esp32/v0.11.0-esp32-20211220/openocd-esp32/bin",
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"idf.customExtraVars": "{\"OPENOCD_SCRIPTS\":\"/Users/skot/.espressif/tools/openocd-esp32/v0.11.0-esp32-20211220/openocd-esp32/share/openocd/scripts\"}",
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"idf.espIdfPath": "/Users/skot/esp/esp-idf",
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"idf.openOcdConfigs": [
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"interface/ftdi/esp32_devkitj_v1.cfg",
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"target/esp32s3.cfg"
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],
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"idf.port": "/dev/cu.usbserial-14301",
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"idf.pythonBinPath": "/Users/skot/.espressif/python_env/idf4.4_py3.9_env/bin/python",
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"idf.toolsPath": "/Users/skot/.espressif",
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"files.associations": {
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"array": "c",
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"string": "c",
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"string_view": "c",
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"ds4432u.h": "c",
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"led_controller.h": "c"
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},
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"idf.flashType": "UART"
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}
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300
.vscode/tasks.json
vendored
Normal file
300
.vscode/tasks.json
vendored
Normal file
@ -0,0 +1,300 @@
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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}:${config:idf.customExtraPaths}"
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}
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},
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"problemMatcher": [
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{
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"owner": "cpp",
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"fileLocation": [
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"relative",
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"${workspaceFolder}"
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],
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"pattern": {
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"regexp": "^\\.\\.(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
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"file": 1,
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"line": 2,
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"column": 3,
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"severity": 4,
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"message": 5
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}
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},
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{
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"owner": "cpp",
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"fileLocation": "absolute",
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"pattern": {
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"regexp": "^[^\\.](.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
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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": "${command:espIdf.setTarget}",
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"problemMatcher": {
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"owner": "cpp",
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"fileLocation": "absolute",
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"pattern": {
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"regexp": "^(.*):(//d+):(//d+)://s+(warning|error)://s+(.*)$",
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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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{
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"label": "Clean - Clean the project",
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"type": "shell",
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"command": "${config:idf.pythonBinPath} ${config:idf.espIdfPath}/tools/idf.py fullclean",
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"windows": {
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"command": "${config:idf.pythonBinPathWin} ${config:idf.espIdfPathWin}\\tools\\idf.py fullclean",
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"options": {
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"env": {
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"PATH": "${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}:${config:idf.customExtraPaths}"
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}
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},
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"problemMatcher": [
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{
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"owner": "cpp",
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"fileLocation": [
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"relative",
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"${workspaceFolder}"
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],
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"pattern": {
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"regexp": "^\\.\\.(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
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"file": 1,
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"line": 2,
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"column": 3,
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"severity": 4,
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"message": 5
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}
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},
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{
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"owner": "cpp",
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"fileLocation": "absolute",
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"pattern": {
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"regexp": "^[^\\.](.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
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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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},
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{
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"label": "Flash - Flash the device",
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"type": "shell",
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"command": "${config:idf.pythonBinPath} ${config:idf.espIdfPath}/tools/idf.py -p ${config:idf.port} -b ${config:idf.flashBaudRate} flash",
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"windows": {
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"command": "${config:idf.pythonBinPathWin} ${config:idf.espIdfPathWin}\\tools\\idf.py flash -p ${config:idf.portWin} -b ${config:idf.flashBaudRate}",
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"options": {
|
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"env": {
|
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"PATH": "${env:PATH};${config:idf.customExtraPaths}"
|
||||
}
|
||||
}
|
||||
},
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": [
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": [
|
||||
"relative",
|
||||
"${workspaceFolder}"
|
||||
],
|
||||
"pattern": {
|
||||
"regexp": "^\\.\\.(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
|
||||
"file": 1,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 5
|
||||
}
|
||||
},
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": "absolute",
|
||||
"pattern": {
|
||||
"regexp": "^[^\\.](.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
|
||||
"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}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": [
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": [
|
||||
"relative",
|
||||
"${workspaceFolder}"
|
||||
],
|
||||
"pattern": {
|
||||
"regexp": "^\\.\\.(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
|
||||
"file": 1,
|
||||
"line": 2,
|
||||
"column": 3,
|
||||
"severity": 4,
|
||||
"message": 5
|
||||
}
|
||||
},
|
||||
{
|
||||
"owner": "cpp",
|
||||
"fileLocation": "absolute",
|
||||
"pattern": {
|
||||
"regexp": "^[^\\.](.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
|
||||
"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}:${config:idf.customExtraPaths}"
|
||||
}
|
||||
},
|
||||
"problemMatcher": {
|
||||
"owner": "cpp",
|
||||
"fileLocation": "absolute",
|
||||
"pattern": {
|
||||
"regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
|
||||
"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/${command:espIdf.getProjectName}.elf",
|
||||
"-s",
|
||||
"${command:espIdf.getOpenOcdScriptValue}",
|
||||
"-ip",
|
||||
"localhost",
|
||||
"-dn",
|
||||
"${config:idf.adapterTargetName}",
|
||||
"-om",
|
||||
"connect_to_instance"
|
||||
],
|
||||
"windows": {
|
||||
"command": "${config:idf.pythonBinPathWin}",
|
||||
"options": {
|
||||
"env": {
|
||||
"PATH": "${env:PATH};${config:idf.customExtraPaths}",
|
||||
"PYTHONPATH": "${command:espIdf.getExtensionPath}/esp_debug_adapter/debug_adapter"
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
@ -1,72 +0,0 @@
|
||||
## BM1397 protocol
|
||||
notes from sniffing BM1397 communication and trying to match it up with cgminer
|
||||
|
||||
It looks like this setting up the BM1397:
|
||||
(TX is _to_ the BM1397, RX is _from_ the BM1397)
|
||||
```
|
||||
TX: 55 AA 52 05 00 00 0A //chippy
|
||||
RX: AA 55 13 97 18 00 00 00 06 //response from the BM1397
|
||||
TX: 55 AA 53 05 00 00 03 //chain inactive
|
||||
TX: 55 AA 53 05 00 00 03 //chain inactive
|
||||
TX: 55 AA 53 05 00 00 03 //chain inactive
|
||||
TX: 55 AA 40 05 00 00 1C //chippy
|
||||
TX: 55 AA 51 09 00 80 00 00 00 00 1C //init1 - clock_order_control0
|
||||
TX: 55 AA 51 09 00 84 00 00 00 00 11 //init2 - clock_order_control1
|
||||
TX: 55 AA 51 09 00 20 00 00 00 01 02 //init3 - ordered_clock_enable
|
||||
TX: 55 AA 51 09 00 3C 80 00 80 74 10 //init4 - init_4_?
|
||||
TX: 55 AA 51 09 00 14 00 00 00 00 1C //set_ticket - ticket_mask
|
||||
TX: 55 AA 51 09 00 68 C0 70 01 11 00 //init5 - pll3_parameter
|
||||
TX: 55 AA 51 09 00 68 C0 70 01 11 00 //init5 - pll3_parameter
|
||||
TX: 55 AA 51 09 00 28 06 00 00 0F 18 //init6 - fast_uart_configuration
|
||||
TX: 55 AA 51 09 00 18 00 00 7A 31 15 //baudrate - misc_control
|
||||
TX: 55 AA 51 09 00 70 0F 0F 0F 00 19 //prefreq - pll0_divider
|
||||
TX: 55 AA 51 09 00 70 0F 0F 0F 00 19 //prefreq - pll0_divider
|
||||
TX: 55 AA 51 09 00 08 40 A0 02 25 16 //freqbuf - pll0_parameter
|
||||
TX: 55 AA 51 09 00 08 40 A0 02 25 16 //freqbuf - pll0_parameter
|
||||
```
|
||||
|
||||
Sending work to the BM1397 looks like this;
|
||||
```
|
||||
55 AA 21 96 04 04 00 00 00 00 A3 89 06 17 2F A8 0A 64 6F 1C C5 E8 99 CE 15 A2 DE DF 61 49 77 90 69 84 1C 8A 0C E0 A0 30 E4 0A CB A6 A5 FB 33 19 30 5D E2 46 EF 18 1D 63 63 EB E7 BA D9 8D 4B CA FE 9C 4F 45 F6 45 FA 71 A0 1E 8C B8 2D 68 DC 6C B8 4E 25 39 8C 50 FA 7E 2E C6 C8 08 61 B9 A5 89 90 71 C4 75 56 E4 78 85 35 22 65 51 EA 68 EB F8 96 B0 CA 40 77 D4 0C AF 1B D4 47 37 85 BB 39 6A 22 C3 9C 23 56 E7 CE B6 57 4C 1F A3 A9 9A D3 C1 A0 17 79 1F BC 38 8C 24
|
||||
```
|
||||
|
||||
How does this big work field break down?
|
||||
|
||||
`55 AA` - (most) All of the commands to the BM1397 start with this
|
||||
|
||||
`21` - Header fields -> (TYPE_JOB | GROUP_SINGLE | CMD_WRITE)
|
||||
|
||||
`96` - Length
|
||||
|
||||
`04` - JobID
|
||||
|
||||
`04` - Midstates
|
||||
|
||||
`00 00 00 00` - always zero. Is this the starting nonce?
|
||||
|
||||
`A3 89 06 17` - nbits
|
||||
|
||||
`2F A8 0A 64` - ntime → Fri Mar 10 2023 03:46:55 GMT
|
||||
|
||||
`6F 1C C5 E8` - last 4 bytes of the merkle root
|
||||
|
||||
`99 CE 15 A2 DE DF 61 49 77 90 69 84 1C 8A 0C E0 A0 30 E4 0A CB A6 A5 FB 33 19 30 5D E2 46 EF 18` - midstate computed from the first 64 bytes of the header
|
||||
|
||||
`1D 63 63 EB E7 BA D9 8D 4B CA FE 9C 4F 45 F6 45 FA 71 A0 1E 8C B8 2D 68 DC 6C B8 4E 25 39 8C 50` - midstate 2
|
||||
|
||||
`FA 7E 2E C6 C8 08 61 B9 A5 89 90 71 C4 75 56 E4 78 85 35 22 65 51 EA 68 EB F8 96 B0 CA 40 77 D4` - midstate 3
|
||||
|
||||
`0C AF 1B D4 47 37 85 BB 39 6A 22 C3 9C 23 56 E7 CE B6 57 4C 1F A3 A9 9A D3 C1 A0 17 79 1F BC 38` - midstate 4
|
||||
|
||||
`8C 24` - checksum
|
||||
|
||||
- for the checksum use crc16_false() on all bytes except for `55 AA`
|
||||
|
||||
|
||||
when the BM1397 finds a nonce that makes a hash below the difficulty (which difficulty is that?) it responds with;
|
||||
```
|
||||
AA 55 00 03 EA 0F 02 20 9C
|
||||
```
|
||||
this means the Nonce `0003EA0F` was found for JobID `20`
|
||||
|
||||
If the BM1397 _doesn't_ find a good nonce in the whole nonce space, it just starts over. This is super wasteful, so it's up to the miner to keep track of what the ASIC is doing and send it more work if this happens. If you look at the hashing frequency you should be able to time this.
|
||||
BIN
doc/diagram.png
BIN
doc/diagram.png
Binary file not shown.
|
Before Width: | Height: | Size: 340 KiB |
@ -1,2 +1,2 @@
|
||||
idf_component_register(SRCS "i2c_simple_main.c" "led_controller.c" "DS4432U.c"
|
||||
idf_component_register(SRCS "EMC2101.c" "i2c_simple_main.c" "led_controller.c" "DS4432U.c" "EMC2101.c"
|
||||
INCLUDE_DIRS ".")
|
||||
|
||||
@ -1,8 +1,81 @@
|
||||
#include <stdio.h>
|
||||
#include "esp_log.h"
|
||||
#include "driver/i2c.h"
|
||||
|
||||
#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
|
||||
|
||||
//EMC2101 -- Fan and temp sensor controller
|
||||
//address: 0x4C
|
||||
#define EMC2101_SENSOR_ADDR 0x4C //Slave address of the EMC2101
|
||||
#define EMC2101_PRODUCTID_REG 0xFD //should be 0x16 or 0x28
|
||||
#define EMC2101_CONFIG_REG 0x03
|
||||
|
||||
// /* Read the EMC2101 WHO_AM_I register, on power up the register should have the value 0x16 or 0x28 */
|
||||
// ESP_ERROR_CHECK(register_read(EMC2101_SENSOR_ADDR, EMC2101_PRODUCTID_REG, data, 1));
|
||||
// ESP_LOGI(TAG, "EMC2101 PRODUCT ID = 0x%02X", data[0]);
|
||||
#define EMC2101_FANCONFIG_REG 0x4A
|
||||
#define EMC2101_FANSETTING_REG 0x4C
|
||||
|
||||
#define EMC2101_TACHREADING_REG 0x46 //2 bytes
|
||||
|
||||
static const char *TAG = "EMC2101.c";
|
||||
|
||||
/**
|
||||
* @brief Read a sequence of I2C bytes
|
||||
*/
|
||||
static esp_err_t register_read(uint8_t reg_addr, uint8_t *data, size_t len) {
|
||||
return i2c_master_write_read_device(I2C_MASTER_NUM, EMC2101_SENSOR_ADDR, ®_addr, 1, data, len, I2C_MASTER_TIMEOUT_MS / portTICK_RATE_MS);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Write a byte to a I2C register
|
||||
*/
|
||||
static esp_err_t 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, EMC2101_SENSOR_ADDR, write_buf, sizeof(write_buf), I2C_MASTER_TIMEOUT_MS / portTICK_RATE_MS);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
//takes a fan speed percent
|
||||
void EMC2101_set_config(uint8_t reg) {
|
||||
ESP_ERROR_CHECK(register_write_byte(EMC2101_CONFIG_REG, reg));
|
||||
}
|
||||
|
||||
//takes a fan speed percent
|
||||
void EMC2101_set_fan_speed(float percent) {
|
||||
uint8_t speed;
|
||||
|
||||
speed = (uint8_t)(63.0 * percent);
|
||||
ESP_ERROR_CHECK(register_write_byte(EMC2101_FANSETTING_REG, speed));
|
||||
}
|
||||
|
||||
//RPM = 5400000/reading
|
||||
uint32_t EMC2101_get_fan_speed(void) {
|
||||
uint8_t data[3];
|
||||
uint16_t reading;
|
||||
uint32_t RPM;
|
||||
|
||||
ESP_ERROR_CHECK(register_read(EMC2101_TACHREADING_REG, data, 2));
|
||||
|
||||
ESP_LOGI(TAG, "Raw Fan Speed = %02X %02X", data[0], data[1]);
|
||||
|
||||
reading = data[0] | (data[1] << 8);
|
||||
RPM = 5400000/reading;
|
||||
|
||||
ESP_LOGI(TAG, "Fan Speed = %d RPM", RPM);
|
||||
return RPM;
|
||||
}
|
||||
|
||||
void EMC2101_read(void) {
|
||||
uint8_t data[3];
|
||||
|
||||
/* Read the EMC2101 WHO_AM_I register, on power up the register should have the value 0x16 or 0x28 */
|
||||
ESP_ERROR_CHECK(register_read(EMC2101_PRODUCTID_REG, data, 1));
|
||||
ESP_LOGI(TAG, "EMC2101 PRODUCT ID = 0x%02X", data[0]);
|
||||
}
|
||||
9
main/EMC2101.h
Normal file
9
main/EMC2101.h
Normal file
@ -0,0 +1,9 @@
|
||||
#ifndef EMC2101_H_
|
||||
#define EMC2101_H_
|
||||
|
||||
void EMC2101_set_fan_speed(float);
|
||||
void EMC2101_read(void);
|
||||
uint32_t EMC2101_get_fan_speed(void);
|
||||
void EMC2101_set_config(uint8_t);
|
||||
|
||||
#endif /* EMC2101_H_ */
|
||||
@ -18,33 +18,43 @@
|
||||
#include "esp_log.h"
|
||||
#include "driver/i2c.h"
|
||||
|
||||
// Include FreeRTOS for delay
|
||||
#include <freertos/FreeRTOS.h>
|
||||
#include <freertos/task.h>
|
||||
|
||||
#include "led_controller.h"
|
||||
#include "DS4432U.h"
|
||||
#include "EMC2101.h"
|
||||
|
||||
static const char *TAG = "i2c-test";
|
||||
|
||||
void app_main(void) {
|
||||
|
||||
//test the LEDs
|
||||
ESP_LOGI(TAG, "Init LEDs!");
|
||||
|
||||
ledc_init();
|
||||
led_set();
|
||||
// ESP_LOGI(TAG, "Init LEDs!");
|
||||
// ledc_init();
|
||||
// led_set();
|
||||
|
||||
ESP_ERROR_CHECK(i2c_master_init());
|
||||
ESP_LOGI(TAG, "I2C initialized successfully");
|
||||
|
||||
DS4432U_read();
|
||||
// DS4432U_read();
|
||||
|
||||
DS4432U_set(0x00);
|
||||
float core_voltage = 1.0;
|
||||
uint8_t reg_setting;
|
||||
// DS4432U_set(0x00);
|
||||
// float core_voltage = 1.0;
|
||||
// uint8_t reg_setting;
|
||||
|
||||
reg_setting = voltage_to_reg(core_voltage);
|
||||
// reg_setting = voltage_to_reg(core_voltage);
|
||||
|
||||
ESP_LOGI(TAG, "Test set %.3fV = 0x%02X", core_voltage, reg_setting);
|
||||
// ESP_LOGI(TAG, "Test set %.3fV = 0x%02X", core_voltage, reg_setting);
|
||||
|
||||
DS4432U_set(reg_setting); ///eek!
|
||||
// DS4432U_set(reg_setting); ///eek!
|
||||
|
||||
EMC2101_read();
|
||||
EMC2101_set_config(0x04); //set the tach input
|
||||
EMC2101_set_fan_speed(0.5);
|
||||
vTaskDelay(2000 / portTICK_RATE_MS);
|
||||
EMC2101_get_fan_speed();
|
||||
|
||||
ESP_ERROR_CHECK(i2c_master_delete());
|
||||
ESP_LOGI(TAG, "I2C unitialized successfully");
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user