docs: guide for vscode esp-target setup

content/authors/chen-ji-chang/_index.md

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+---
+title: Chen Ji Chang
+---

content/authors/igor-udot/_index.md

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+---
+title: Igor Udot
+---

content/blog/vscode-esp-idf-setup-targets/index.md

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+---
+title: "ESP-IDF VSCode Setup Guide for Esp Target Development"
+date: 2025-01-21T16:07:09+08:00
+showAuthor: true
+featureAsset: ""
+tags: ["ESP-IDF extension", "VSCode", "Visual Studio Code"]
+authors:
+  - "igor-udot"
+  - "chen-ji-chang"
+  - "brian-ignacio"
+---
+
+## Overview
+This guide helps you configure VSCode's C/C++ extension for ESP32xx development, addressing common issues like incorrect syntax highlighting, header file navigation, and false error indicators.
+
+## Common Issues
+- Incorrect syntax highlighting for code within preprocessor macros
+- Incorrect header file resolution (e.g., wrong ll.h file being referenced)
+- False positive error indicators in source files
+- Navigation issues between different ESP32xx chip variants
+
+## Prerequisites
+- VSCode with C/C++ extension installed
+- ESP-IDF toolchain installed
+- Basic understanding of ESP32 development environment
+
+## Configuration Steps
+
+### 1. Basic Setup
+1. Open your ESP-IDF project in VSCode
+2. Create or modify `.vscode/c_cpp_properties.json`
+3. Configure alias to fix build directory using `alias idf.b="idf.py -B ~/esp/build"`
+4. Run `idf.b build` at least once to generate necessary files
+
+### Why Fixed Build Directory?
+Using a fixed build directory (ex: `~/esp/build`) provides several benefits:
+- Prevents need to update path in `c_cpp_properties.json` for each project
+- Makes switching between projects cleaner with centralized build location
+- Simplifies configuration for multiple ESP32 variants
+
+### 2. Configuration File Structure
+Create separate configurations for each ESP32xx variant in `c_cpp_properties.json`:
+
+**Build-Related Paths**
+
+Two important files are generated during build: `compile_commands.json` and `sdkconfig.h`.
+
+These files are why we need to run `idf.b build` before VSCode can properly resolve includes and macros.
+
+**Key Configuration Paths**
+```json
+
+{
+    "configurations": [
+        {
+            // Compiler path: Path to your ESP-IDF GCC compiler for specific chip
+            "compilerPath": "${env:HOME}/.espressif/tools/xtensa-esp-elf/esp-13.2.0_20240530/xtensa-esp-elf/bin/xtensa-esp32-elf-gcc",
+
+            // Build output: Contains compilation file with include paths and flags
+            "compileCommands": "${env:HOME}/esp/build/compile_commands.json",
+
+            // Project config: Generated header with chip-specific settings  
+            "forcedInclude": [
+                "${env:HOME}/esp/build/config/sdkconfig.h"
+            ]
+
+        }
+    ]
+}
+
+```
+
+**Complete Configuration Example**
+
+```json
+{
+    "configurations": [
+        {
+            "name": "ESP32",
+            "cStandard": "c11",
+            "cppStandard": "c++17",
+            "compilerPath": "${env:HOME}/.espressif/tools/xtensa-esp-elf/esp-13.2.0_20240530/xtensa-esp-elf/bin/xtensa-esp32-elf-gcc",
+            "compileCommands": "${env:HOME}/esp/build/compile_commands.json",
+            "forcedInclude": [
+                "${env:HOME}/esp/build/config/sdkconfig.h"
+            ],
+            "configurationProvider": "ms-vscode.cmake-tools",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ]
+        }
+        // Additional configurations for S2, S3, and RISC-V variants...
+    ],
+    "version": 4
+}
+```
+
+### 3. Chip-Specific Configurations
+Four main configurations are needed:
+1. ESP32 
+2. ESP32-S2
+3. ESP32-S3
+4. ESP32 RISC-V series
+
+Each configuration differs primarily in the `compilerPath` setting.
+
+## Best Practices
+
+### Setup Build Directory Alias
+
+```bash
+# Add alias to your shell configuration
+alias idf.b="idf.py -B ~/esp/build"
+# Now you can use:
+idf.b build       # Builds project
+idf.b fullclean   # Cleans build directory
+```
+
+### Switching Between Configurations
+1. Press F1 or Ctrl+Shift+P
+2. Search for "C/C++: Select a Configuration"
+3. Choose the appropriate chip variant
+
+### Toolchain Management
+```bash
+# Script to find latest toolchain
+LATEST_XTENSA_DIR=$(ls -d ~/.espressif/tools/xtensa-esp-elf/esp-*/ | sort | tail -n 1)
+LATEST_RISCV_DIR=$(ls -d ~/.espressif/tools/riscv32-esp-elf/esp-*/ | sort | tail -n 1)
+```
+
+### Configuration Generator Script
+```bash
+# Find latest toolchain directories
+LATEST_XTENSA_DIR=$(ls -d ~/.espressif/tools/xtensa-esp-elf/esp-*/ | sort | tail -n 1)
+LATEST_RISCV_DIR=$(ls -d ~/.espressif/tools/riscv32-esp-elf/esp-*/ | sort | tail -n 1)
+
+# Function to echo a configuration block
+echo_config() {
+    local name=$1
+    local compiler_path=$2
+
+    cat << EOF
+
+---------------------------
+Configuration for $name
+---------------------------
+
+{
+    "name": "$name",
+    "cStandard": "c11",
+    "cppStandard": "c++17",
+    "compilerPath": "$compiler_path",
+    "compileCommands": "$HOME/esp/build/compile_commands.json",
+    "forcedInclude": [
+        "$HOME/esp/build/config/sdkconfig.h"
+    ],
+    "configurationProvider": "ms-vscode.cmake-tools",
+    "includePath": [
+        "\${workspaceFolder}/**"
+    ]
+}
+
+
+EOF
+}
+
+# Echo ESP32 configuration
+echo_config "ESP32" "${LATEST_XTENSA_DIR}xtensa-esp-elf/bin/xtensa-esp32-elf-gcc"
+# Echo ESP32-S2 configuration
+echo_config "ESP32-S2" "${LATEST_XTENSA_DIR}xtensa-esp-elf/bin/xtensa-esp32s2-elf-gcc"
+# Echo ESP32-S3 configuration
+echo_config "ESP32-S3" "${LATEST_XTENSA_DIR}xtensa-esp-elf/bin/xtensa-esp32s3-elf-gcc"
+# Echo ESP32-RISC-V configuration
+echo_config "ESP32-RISC-V" "${LATEST_RISCV_DIR}riscv32-esp-elf/bin/riscv32-esp-elf-gcc"
+
+```
+
+**Note**: When switching projects or target chips, always run `idf.b fullclean` first to avoid compilation issues.

data/authors/chen-ji-chang.json

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+{
+    "name": "Chen Ji Chang",
+    "bio": "",
+    "image": "https://avatars.githubusercontent.com/u/25845066"
+}

data/authors/igor-udot.json

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+{
+    "name": "Igor Udot",
+    "bio": "",
+    "image": "https://avatars.githubusercontent.com/u/47724762",
+	"social": [
+			{ "github": "https://github.com/horw" }
+	]
+
+}