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esp32s3 vscode debug环境搭建
简介
本文的目的是:在vscode 环境下配置JTAG 接口,为ESP32S3开发板配置debug环境
具体地,通过 JTAG (Joint Test Action Group) 接口使用 OpenOCD 调试 ESP32-S3 时所需要的关键软件和硬件包括 xtensa-esp32s3-elf-gdb 调试器、OpenOCD 片上调试器 和连接到 ESP32-S3 目标的 JTAG 适配器。
https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32s3/api-guides/jtag-debugging/using-debugger.html
什么是OpenOCD?
OpenOCD(Open On-Chip Debugger)开源片上调试器,是一款开源软件,最初是由Dominic Rath同学还在大学期间发起的(2005年)项目。OpenOCD旨在提供针对嵌入式设备的调试、系统编程和边界扫描功能。
https://zhuanlan.zhihu.com/p/41517198
OpenOCD的配置文件
关于esp32s3的OpenOCD 配置文件有三个,可以通过选择目标板的时候选择,ctrl+shift+P,选择OpenOCD Board Configuration
配置文件也可以在文件夹下找到:
~/.espressif/tools/openocd-esp32/v0.12.0-esp32-20230921/openocd-esp32/share/openocd/scripts/board
三个配置文件的解释:
- esp32s3-bridge.cfg
ESP USB Bridge 是一个 ESP-IDF 项目,能够利用 ESP32-S2 或 ESP32-S3 在计算机 (PC) 和目标微控制器 (MCU) 之间建立桥接,从而替代 USB 转 UART /JTAG 桥接芯片(例如 CP210x)。
https://www.espressif.com.cn/zh-hans/news/ESP_USB_Bridge
https://blog.csdn.net/linguisti/article/details/127346875
-
esp32s3-builtin.cfg
仅需一根 USB 线即可高效连接 PC 与 ESP32-S3,因为 ESP32-S3 芯片本身提供了两路 USB 通道,一路连接到 JTAG,另一路连接到 USB 终端。
-
esp32s3-ftdi.cfg
ESP-Prog 是一款乐鑫推出的开发调试工具,具有自动下载固件、串口通信、JTAG 在线调试等功能。自动下载固件和串口通信功能适用于 ESP8266 和 ESP32 平台,JTAG 在线调试功能适用于 ESP32 平台。
ESP-Prog 使用简单方便,仅用一根 USB 线即可实现与电脑的连接,电脑端可识别出下载功能和 JTAG 功能对应的两个端口。
ESP-Prog 可使用排线与用户板连接,连接器可选 2.54 mm 和 1.27 mm 两种间距的封装,具有防呆设计。用户板上需按对应顺序放置 Program (6-Pin) 和 JTAG (10-Pin) 的连接器。
配置 板载USB JTAG 接口的权限
在vscode的launch.json中配置
The Visual Studio Code uses .vscode/launch.json to configure debug as specified in Visual Studio Code Debugging.
Example launch.json for ESP-IDF Debug Adapter:
{
"version": "0.2.0",
"configurations": [
{
"name": "GDB",
"type": "cppdbg",
"request": "launch",
"MIMode": "gdb",
"miDebuggerPath": "${command:espIdf.getXtensaGdb}",
"program": "${workspaceFolder}/build/${command:espIdf.getProjectName}.elf",
"windows": {
"program": "${workspaceFolder}\\build\\${command:espIdf.getProjectName}.elf"
},
"cwd": "${workspaceFolder}",
"environment": [{ "name": "PATH", "value": "${config:idf.customExtraPaths}" }],
"setupCommands": [
{ "text": "target remote :3333" },
{ "text": "set remote hardware-watchpoint-limit 2"},
{ "text": "mon reset halt" },
{ "text": "thb app_main" },
{ "text": "flushregs" }
],
"externalConsole": false,
"logging": {
"engineLogging": true
}
}
]
}
https://github.com/espressif/vscode-esp-idf-extension/blob/master/docs/DEBUGGING.md
启动OpenOCD
Ctrl+shit+p,OpenOCD Manager
或者在vsc的状态栏
设置断点main起始处,启动gdb
或者用idp.py gdbtui 启动TUI界面
https://docs.espressif.com/projects/esp-idf/zh_CN/latest/esp32s3/api-guides/jtag-debugging/using-debugger.html#jtag-debugging-using-debugger-command-line
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