initial example
This commit is contained in:
Adolfo Reyna
2
.gitignore
vendored
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2
.gitignore
vendored
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@@ -0,0 +1,2 @@
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build
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!.vscode/*
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22
.vscode/c_cpp_properties.json
vendored
Normal file
22
.vscode/c_cpp_properties.json
vendored
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@@ -0,0 +1,22 @@
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{
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"configurations": [
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{
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"name": "Pico",
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"includePath": [
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"${workspaceFolder}/**",
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"${userHome}/.pico-sdk/sdk/2.2.0/**"
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],
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"forcedInclude": [
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"${workspaceFolder}/build/generated/pico_base/pico/config_autogen.h",
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"${userHome}/.pico-sdk/sdk/2.2.0/src/common/pico_base_headers/include/pico.h"
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],
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"defines": [],
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"compilerPath": "${userHome}/.pico-sdk/toolchain/14_2_Rel1/bin/arm-none-eabi-gcc",
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"compileCommands": "${workspaceFolder}/build/compile_commands.json",
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"cStandard": "c17",
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"cppStandard": "c++14",
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"intelliSenseMode": "linux-gcc-arm"
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}
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],
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"version": 4
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}
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15
.vscode/cmake-kits.json
vendored
Normal file
15
.vscode/cmake-kits.json
vendored
Normal file
@@ -0,0 +1,15 @@
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[
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{
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"name": "Pico",
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"compilers": {
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"C": "${command:raspberry-pi-pico.getCompilerPath}",
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"CXX": "${command:raspberry-pi-pico.getCxxCompilerPath}"
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},
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"environmentVariables": {
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"PATH": "${command:raspberry-pi-pico.getEnvPath};${env:PATH}"
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},
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"cmakeSettings": {
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"Python3_EXECUTABLE": "${command:raspberry-pi-pico.getPythonPath}"
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}
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}
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]
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9
.vscode/extensions.json
vendored
Normal file
9
.vscode/extensions.json
vendored
Normal file
@@ -0,0 +1,9 @@
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{
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"recommendations": [
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"marus25.cortex-debug",
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"ms-vscode.cpptools",
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"ms-vscode.cpptools-extension-pack",
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"ms-vscode.vscode-serial-monitor",
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"raspberry-pi.raspberry-pi-pico"
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]
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}
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50
.vscode/launch.json
vendored
Normal file
50
.vscode/launch.json
vendored
Normal file
@@ -0,0 +1,50 @@
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{
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"version": "0.2.0",
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"configurations": [
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{
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"name": "Pico Debug (Cortex-Debug)",
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"cwd": "${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
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"executable": "${command:raspberry-pi-pico.launchTargetPath}",
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"request": "launch",
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"type": "cortex-debug",
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"servertype": "openocd",
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"serverpath": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
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"gdbPath": "${command:raspberry-pi-pico.getGDBPath}",
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"device": "${command:raspberry-pi-pico.getChipUppercase}",
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"configFiles": [
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"interface/cmsis-dap.cfg",
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"target/${command:raspberry-pi-pico.getTarget}.cfg"
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],
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"svdFile": "${userHome}/.pico-sdk/sdk/2.2.0/src/${command:raspberry-pi-pico.getChip}/hardware_regs/${command:raspberry-pi-pico.getChipUppercase}.svd",
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"runToEntryPoint": "main",
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// Fix for no_flash binaries, where monitor reset halt doesn't do what is expected
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// Also works fine for flash binaries
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"overrideLaunchCommands": [
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"monitor reset init",
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"load \"${command:raspberry-pi-pico.launchTargetPath}\""
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],
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"openOCDLaunchCommands": [
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"adapter speed 5000"
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]
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},
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{
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"name": "Pico Debug (Cortex-Debug with external OpenOCD)",
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"cwd": "${workspaceRoot}",
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"executable": "${command:raspberry-pi-pico.launchTargetPath}",
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"request": "launch",
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"type": "cortex-debug",
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"servertype": "external",
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"gdbTarget": "localhost:3333",
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"gdbPath": "${command:raspberry-pi-pico.getGDBPath}",
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"device": "${command:raspberry-pi-pico.getChipUppercase}",
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"svdFile": "${userHome}/.pico-sdk/sdk/2.2.0/src/${command:raspberry-pi-pico.getChip}/hardware_regs/${command:raspberry-pi-pico.getChipUppercase}.svd",
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"runToEntryPoint": "main",
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// Fix for no_flash binaries, where monitor reset halt doesn't do what is expected
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// Also works fine for flash binaries
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"overrideLaunchCommands": [
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"monitor reset init",
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"load \"${command:raspberry-pi-pico.launchTargetPath}\""
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]
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},
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]
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}
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40
.vscode/settings.json
vendored
Normal file
40
.vscode/settings.json
vendored
Normal file
@@ -0,0 +1,40 @@
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{
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"cmake.showSystemKits": false,
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"cmake.options.statusBarVisibility": "hidden",
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"cmake.options.advanced": {
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"build": {
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"statusBarVisibility": "hidden"
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},
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"launch": {
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"statusBarVisibility": "hidden"
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},
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"debug": {
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"statusBarVisibility": "hidden"
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}
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},
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"cmake.configureOnEdit": false,
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"cmake.automaticReconfigure": false,
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"cmake.configureOnOpen": false,
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"cmake.generator": "Ninja",
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"cmake.cmakePath": "${userHome}/.pico-sdk/cmake/v3.31.5/bin/cmake",
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"C_Cpp.debugShortcut": false,
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"terminal.integrated.env.windows": {
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"PICO_SDK_PATH": "${env:USERPROFILE}/.pico-sdk/sdk/2.2.0",
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"PICO_TOOLCHAIN_PATH": "${env:USERPROFILE}/.pico-sdk/toolchain/14_2_Rel1",
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"Path": "${env:USERPROFILE}/.pico-sdk/toolchain/14_2_Rel1/bin;${env:USERPROFILE}/.pico-sdk/picotool/2.2.0-a4/picotool;${env:USERPROFILE}/.pico-sdk/cmake/v3.31.5/bin;${env:USERPROFILE}/.pico-sdk/ninja/v1.12.1;${env:PATH}"
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},
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"terminal.integrated.env.osx": {
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"PICO_SDK_PATH": "${env:HOME}/.pico-sdk/sdk/2.2.0",
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"PICO_TOOLCHAIN_PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1",
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"PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1/bin:${env:HOME}/.pico-sdk/picotool/2.2.0-a4/picotool:${env:HOME}/.pico-sdk/cmake/v3.31.5/bin:${env:HOME}/.pico-sdk/ninja/v1.12.1:${env:PATH}"
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},
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"terminal.integrated.env.linux": {
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"PICO_SDK_PATH": "${env:HOME}/.pico-sdk/sdk/2.2.0",
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"PICO_TOOLCHAIN_PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1",
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"PATH": "${env:HOME}/.pico-sdk/toolchain/14_2_Rel1/bin:${env:HOME}/.pico-sdk/picotool/2.2.0-a4/picotool:${env:HOME}/.pico-sdk/cmake/v3.31.5/bin:${env:HOME}/.pico-sdk/ninja/v1.12.1:${env:PATH}"
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},
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"raspberry-pi-pico.cmakeAutoConfigure": true,
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"raspberry-pi-pico.useCmakeTools": false,
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"raspberry-pi-pico.cmakePath": "${HOME}/.pico-sdk/cmake/v3.31.5/bin/cmake",
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"raspberry-pi-pico.ninjaPath": "${HOME}/.pico-sdk/ninja/v1.12.1/ninja"
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}
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102
.vscode/tasks.json
vendored
Normal file
102
.vscode/tasks.json
vendored
Normal file
@@ -0,0 +1,102 @@
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{
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"version": "2.0.0",
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"tasks": [
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{
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"label": "Compile Project",
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"type": "process",
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"isBuildCommand": true,
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"command": "${userHome}/.pico-sdk/ninja/v1.12.1/ninja",
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"args": ["-C", "${workspaceFolder}/build"],
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"group": "build",
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"presentation": {
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"reveal": "always",
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"panel": "dedicated"
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},
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"problemMatcher": "$gcc",
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"windows": {
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"command": "${env:USERPROFILE}/.pico-sdk/ninja/v1.12.1/ninja.exe"
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}
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},
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{
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"label": "Run Project",
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"type": "process",
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"command": "${env:HOME}/.pico-sdk/picotool/2.2.0-a4/picotool/picotool",
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"args": [
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"load",
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"${command:raspberry-pi-pico.launchTargetPath}",
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"-fx"
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],
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"presentation": {
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"reveal": "always",
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"panel": "dedicated"
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},
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"problemMatcher": [],
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"windows": {
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||||||
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"command": "${env:USERPROFILE}/.pico-sdk/picotool/2.2.0-a4/picotool/picotool.exe"
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||||||
|
}
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|
},
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||||||
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{
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"label": "Flash",
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|
"type": "process",
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||||||
|
"command": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
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||||||
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"args": [
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"-s",
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"${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
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||||||
|
"-f",
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||||||
|
"interface/cmsis-dap.cfg",
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||||||
|
"-f",
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||||||
|
"target/${command:raspberry-pi-pico.getTarget}.cfg",
|
||||||
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"-c",
|
||||||
|
"adapter speed 5000; program \"${command:raspberry-pi-pico.launchTargetPath}\" verify reset exit"
|
||||||
|
],
|
||||||
|
"problemMatcher": [],
|
||||||
|
"windows": {
|
||||||
|
"command": "${env:USERPROFILE}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
|
||||||
|
}
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"label": "Rescue Reset",
|
||||||
|
"type": "process",
|
||||||
|
"command": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
|
||||||
|
"args": [
|
||||||
|
"-s",
|
||||||
|
"${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
|
||||||
|
"-f",
|
||||||
|
"interface/cmsis-dap.cfg",
|
||||||
|
"-f",
|
||||||
|
"target/${command:raspberry-pi-pico.getChip}-rescue.cfg",
|
||||||
|
"-c",
|
||||||
|
"adapter speed 5000; reset halt; exit"
|
||||||
|
],
|
||||||
|
"problemMatcher": [],
|
||||||
|
"windows": {
|
||||||
|
"command": "${env:USERPROFILE}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
|
||||||
|
}
|
||||||
|
},
|
||||||
|
{
|
||||||
|
"label": "RISC-V Reset (RP2350)",
|
||||||
|
"type": "process",
|
||||||
|
"command": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
|
||||||
|
"args": [
|
||||||
|
"-s",
|
||||||
|
"${userHome}/.pico-sdk/openocd/0.12.0+dev/scripts",
|
||||||
|
"-c",
|
||||||
|
"set USE_CORE { rv0 rv1 cm0 cm1 }",
|
||||||
|
"-f",
|
||||||
|
"interface/cmsis-dap.cfg",
|
||||||
|
"-f",
|
||||||
|
"target/rp2350.cfg",
|
||||||
|
"-c",
|
||||||
|
"adapter speed 5000; init;",
|
||||||
|
"-c",
|
||||||
|
"write_memory 0x40120158 8 { 0x3 }; echo [format \"Info : ARCHSEL 0x%02x\" [read_memory 0x40120158 8 1]];",
|
||||||
|
"-c",
|
||||||
|
"reset halt; targets rp2350.rv0; echo [format \"Info : ARCHSEL_STATUS 0x%02x\" [read_memory 0x4012015C 8 1]]; exit"
|
||||||
|
],
|
||||||
|
"problemMatcher": [],
|
||||||
|
"windows": {
|
||||||
|
"command": "${env:USERPROFILE}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
56
CMakeLists.txt
Normal file
56
CMakeLists.txt
Normal file
@@ -0,0 +1,56 @@
|
|||||||
|
# Generated Cmake Pico project file
|
||||||
|
|
||||||
|
cmake_minimum_required(VERSION 3.13)
|
||||||
|
|
||||||
|
set(CMAKE_C_STANDARD 11)
|
||||||
|
set(CMAKE_CXX_STANDARD 17)
|
||||||
|
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
|
||||||
|
|
||||||
|
# Initialise pico_sdk from installed location
|
||||||
|
# (note this can come from environment, CMake cache etc)
|
||||||
|
|
||||||
|
# == DO NOT EDIT THE FOLLOWING LINES for the Raspberry Pi Pico VS Code Extension to work ==
|
||||||
|
if(WIN32)
|
||||||
|
set(USERHOME $ENV{USERPROFILE})
|
||||||
|
else()
|
||||||
|
set(USERHOME $ENV{HOME})
|
||||||
|
endif()
|
||||||
|
set(sdkVersion 2.2.0)
|
||||||
|
set(toolchainVersion 14_2_Rel1)
|
||||||
|
set(picotoolVersion 2.2.0-a4)
|
||||||
|
set(picoVscode ${USERHOME}/.pico-sdk/cmake/pico-vscode.cmake)
|
||||||
|
if (EXISTS ${picoVscode})
|
||||||
|
include(${picoVscode})
|
||||||
|
endif()
|
||||||
|
# ====================================================================================
|
||||||
|
set(PICO_BOARD pico_w CACHE STRING "Board type")
|
||||||
|
|
||||||
|
# Pull in Raspberry Pi Pico SDK (must be before project)
|
||||||
|
include(pico_sdk_import.cmake)
|
||||||
|
|
||||||
|
project(hello_usb C CXX ASM)
|
||||||
|
|
||||||
|
# Initialise the Raspberry Pi Pico SDK
|
||||||
|
pico_sdk_init()
|
||||||
|
|
||||||
|
# Add executable. Default name is the project name, version 0.1
|
||||||
|
|
||||||
|
if (TARGET tinyusb_device)
|
||||||
|
add_executable(hello_usb
|
||||||
|
hello_usb.c
|
||||||
|
)
|
||||||
|
|
||||||
|
# pull in common dependencies
|
||||||
|
target_link_libraries(hello_usb pico_stdlib)
|
||||||
|
|
||||||
|
# enable usb output, disable uart output
|
||||||
|
pico_enable_stdio_usb(hello_usb 1)
|
||||||
|
pico_enable_stdio_uart(hello_usb 0)
|
||||||
|
|
||||||
|
# create map/bin/hex/uf2 file etc.
|
||||||
|
pico_add_extra_outputs(hello_usb)
|
||||||
|
|
||||||
|
# add url via pico_set_program_url
|
||||||
|
elseif(PICO_ON_DEVICE)
|
||||||
|
message("Skipping hello_usb because TinyUSB submodule is not initialized in the SDK")
|
||||||
|
endif()
|
||||||
135
hello_usb.c
Normal file
135
hello_usb.c
Normal file
@@ -0,0 +1,135 @@
|
|||||||
|
/**
|
||||||
|
* Simple USB Serial Echo Program with Timeout, Reconnect, and Backspace Logic.
|
||||||
|
* This program now correctly handles the backspace character by deleting it
|
||||||
|
* from the buffer and sending the necessary control codes to the terminal
|
||||||
|
* for visual deletion.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "pico/stdlib.h"
|
||||||
|
#include "pico/time.h" // Needed for time_us_64()
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <ctype.h>
|
||||||
|
|
||||||
|
// Define the maximum size for the input string buffer
|
||||||
|
#define MAX_INPUT_LEN 64
|
||||||
|
// Define the timeout period: 1 second in microseconds
|
||||||
|
#define TIMEOUT_US 5000000
|
||||||
|
// ASCII code for Backspace (often sent as 0x08)
|
||||||
|
#define ASCII_BACKSPACE 8
|
||||||
|
|
||||||
|
// Helper function to handle the echoing and resetting of the buffer
|
||||||
|
void echo_and_reset(char* buffer, int* index_ptr) {
|
||||||
|
if (*index_ptr > 0) {
|
||||||
|
// Null-terminate the string
|
||||||
|
buffer[*index_ptr] = '\0';
|
||||||
|
|
||||||
|
// Echo the string back, converting to uppercase
|
||||||
|
printf("\nEchoed (ALL CAPS): ");
|
||||||
|
for (int i = 0; buffer[i] != '\0'; i++) {
|
||||||
|
printf("%c", toupper(buffer[i]));
|
||||||
|
}
|
||||||
|
printf("\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
// Reset buffer for next line and print a new prompt
|
||||||
|
*index_ptr = 0;
|
||||||
|
printf("> ");
|
||||||
|
}
|
||||||
|
|
||||||
|
// Function to handle the initial waiting and reconnect waiting
|
||||||
|
void wait_for_usb_connection() {
|
||||||
|
printf("Waiting for USB host to connect...\n");
|
||||||
|
// Wait until the USB host (e.g., terminal program) opens the serial port
|
||||||
|
while (!stdio_usb_connected()) {
|
||||||
|
sleep_ms(100);
|
||||||
|
}
|
||||||
|
// Connection established!
|
||||||
|
printf("\nConnection Established! Starting Echo Session...\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
void run_echo_session() {
|
||||||
|
char input_buffer[MAX_INPUT_LEN];
|
||||||
|
int buffer_index = 0;
|
||||||
|
// Track the time (in microseconds) when the last character was received
|
||||||
|
uint64_t last_char_time = time_us_64();
|
||||||
|
|
||||||
|
printf("--- Pico USB String Echo Program Started ---\n");
|
||||||
|
printf("Type a sentence (up to %d chars). It will echo on Enter/Timeout.\n", MAX_INPUT_LEN - 2);
|
||||||
|
printf("--------------------------------------------\n");
|
||||||
|
printf("> "); // Prompt for input
|
||||||
|
|
||||||
|
// Inner loop runs ONLY while the USB connection is active
|
||||||
|
while (stdio_usb_connected()) {
|
||||||
|
|
||||||
|
// Check for incoming character without blocking
|
||||||
|
int c = getchar_timeout_us(0);
|
||||||
|
|
||||||
|
if (c != PICO_ERROR_TIMEOUT) {
|
||||||
|
|
||||||
|
// Character received, update the timer
|
||||||
|
last_char_time = time_us_64();
|
||||||
|
char input_char = (char)c;
|
||||||
|
|
||||||
|
// 1. --- BACKSPACE HANDLING ---
|
||||||
|
if (input_char == ASCII_BACKSPACE || input_char == 127) { // 127 is sometimes sent by terminals (DEL key)
|
||||||
|
if (buffer_index > 0) {
|
||||||
|
// Decrease buffer index (remove the character)
|
||||||
|
buffer_index--;
|
||||||
|
// Send backspace, space, and backspace to erase the character on the terminal:
|
||||||
|
// \b: move cursor back
|
||||||
|
// ' ': overwrite with a space
|
||||||
|
// \b: move cursor back again, ready for the next character
|
||||||
|
printf("\b \b");
|
||||||
|
}
|
||||||
|
// 2. --- End of Input (Newline/CR) ---
|
||||||
|
} else if (input_char == '\r' || input_char == '\n') {
|
||||||
|
echo_and_reset(input_buffer, &buffer_index);
|
||||||
|
|
||||||
|
// 3. --- Collect regular characters ---
|
||||||
|
} else if (buffer_index < (MAX_INPUT_LEN - 1) && isprint(input_char)) {
|
||||||
|
|
||||||
|
// Echo character locally so the user sees what they type
|
||||||
|
printf("%c", input_char);
|
||||||
|
|
||||||
|
// Store character in the buffer
|
||||||
|
input_buffer[buffer_index] = input_char;
|
||||||
|
buffer_index++;
|
||||||
|
}
|
||||||
|
// Ignore non-printable characters and overflowed buffer input
|
||||||
|
}
|
||||||
|
|
||||||
|
// 4. Timeout Check
|
||||||
|
if (buffer_index > 0 && (time_us_64() - last_char_time) > TIMEOUT_US) {
|
||||||
|
printf("\n--- Timeout Reached (5.0s silence) ---\n");
|
||||||
|
echo_and_reset(input_buffer, &buffer_index);
|
||||||
|
last_char_time = time_us_64(); // Reset time to prevent immediate re-trigger
|
||||||
|
}
|
||||||
|
|
||||||
|
// Add a small delay to prevent the loop from consuming too much CPU time
|
||||||
|
sleep_us(100);
|
||||||
|
}
|
||||||
|
|
||||||
|
// Connection lost or closed by host
|
||||||
|
printf("\nHost disconnected. Ending Echo Session.\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
int main() {
|
||||||
|
// Initialize Standard I/O (stdio) to use the USB backend
|
||||||
|
stdio_init_all();
|
||||||
|
|
||||||
|
// Outer loop: Allows the program to run continuously and restart the
|
||||||
|
// session after a disconnection.
|
||||||
|
while (true) {
|
||||||
|
|
||||||
|
// 1. Wait for a connection
|
||||||
|
wait_for_usb_connection();
|
||||||
|
|
||||||
|
// 2. Run the program logic while connected
|
||||||
|
run_echo_session();
|
||||||
|
|
||||||
|
// Loop repeats, going back to wait_for_usb_connection()
|
||||||
|
}
|
||||||
|
|
||||||
|
// Note: main should not return
|
||||||
|
}
|
||||||
121
pico_sdk_import.cmake
Normal file
121
pico_sdk_import.cmake
Normal file
@@ -0,0 +1,121 @@
|
|||||||
|
# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake
|
||||||
|
|
||||||
|
# This can be dropped into an external project to help locate this SDK
|
||||||
|
# It should be include()ed prior to project()
|
||||||
|
|
||||||
|
# Copyright 2020 (c) 2020 Raspberry Pi (Trading) Ltd.
|
||||||
|
#
|
||||||
|
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
|
||||||
|
# following conditions are met:
|
||||||
|
#
|
||||||
|
# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
|
||||||
|
# disclaimer.
|
||||||
|
#
|
||||||
|
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
|
||||||
|
# disclaimer in the documentation and/or other materials provided with the distribution.
|
||||||
|
#
|
||||||
|
# 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products
|
||||||
|
# derived from this software without specific prior written permission.
|
||||||
|
#
|
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||||||
|
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||||
|
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||||
|
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||||
|
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||||
|
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
|
||||||
|
if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
|
||||||
|
set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
|
||||||
|
message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT))
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT})
|
||||||
|
message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')")
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH))
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH})
|
||||||
|
message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
|
||||||
|
message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
|
||||||
|
message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
|
||||||
|
endif()
|
||||||
|
|
||||||
|
set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
|
||||||
|
set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for SDK")
|
||||||
|
|
||||||
|
if (NOT PICO_SDK_PATH)
|
||||||
|
if (PICO_SDK_FETCH_FROM_GIT)
|
||||||
|
include(FetchContent)
|
||||||
|
set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR})
|
||||||
|
if (PICO_SDK_FETCH_FROM_GIT_PATH)
|
||||||
|
get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
|
||||||
|
endif ()
|
||||||
|
FetchContent_Declare(
|
||||||
|
pico_sdk
|
||||||
|
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
|
||||||
|
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
|
||||||
|
)
|
||||||
|
|
||||||
|
if (NOT pico_sdk)
|
||||||
|
message("Downloading Raspberry Pi Pico SDK")
|
||||||
|
# GIT_SUBMODULES_RECURSE was added in 3.17
|
||||||
|
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
|
||||||
|
FetchContent_Populate(
|
||||||
|
pico_sdk
|
||||||
|
QUIET
|
||||||
|
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
|
||||||
|
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
|
||||||
|
GIT_SUBMODULES_RECURSE FALSE
|
||||||
|
|
||||||
|
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
|
||||||
|
BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
|
||||||
|
SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
|
||||||
|
)
|
||||||
|
else ()
|
||||||
|
FetchContent_Populate(
|
||||||
|
pico_sdk
|
||||||
|
QUIET
|
||||||
|
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
|
||||||
|
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
|
||||||
|
|
||||||
|
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
|
||||||
|
BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
|
||||||
|
SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
|
||||||
|
)
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
|
||||||
|
endif ()
|
||||||
|
set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
|
||||||
|
else ()
|
||||||
|
message(FATAL_ERROR
|
||||||
|
"SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
|
||||||
|
)
|
||||||
|
endif ()
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}")
|
||||||
|
if (NOT EXISTS ${PICO_SDK_PATH})
|
||||||
|
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found")
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
|
||||||
|
if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
|
||||||
|
message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
|
||||||
|
endif ()
|
||||||
|
|
||||||
|
set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)
|
||||||
|
|
||||||
|
include(${PICO_SDK_INIT_CMAKE_FILE})
|
||||||
Reference in New Issue
Block a user