GeekTrack/README.md

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# GeekTrack
**功能描述:一个无线姿态追踪模块,可以追踪姿态。可以用于全身动作捕捉也可以用于人体步态追踪, GeekTrack实际是GeekMotion阉割屏幕减少尺寸的版本目的是为了方便固定在身体上用于姿态追踪**
**GeekMotion:** https://github.com/Logzhan/GeekMoton
状态PCB已经打样测试完成设备WIFI正常信号对比PCB天线弱一些。IMU、气压计读取数据正常、SD卡识别正常。
- WIFI通信功能
- IMU、MAG传感器。
- LettleShell命令行模块可以采用命令行和ESP32交互。
- 计步器
- 运动识别(待实现)
- 电梯识别(待实现)
- SD卡存储
<img src="./6.Image/Board.jpg" alt=".\6.I" style="zoom: 50%;" />
<img src="./6.Image/Board_Real.jpg" alt=".\6.I" style="zoom: 50%;" />
命令行支持(移植letter shell)
<img src="./6.Image/GeekMotion-Shell.png" alt=".\6.I" style="zoom: 50%;" />
支持:
- 命令行自动补全
- 历史命令行记忆
- ...
**更新日志:**
**2022-09-03 :** 1上传第一版原理图和PCB图
**lettleShell移植支持说明** 需要适配esp32的ld文件。
样例:
C:\Users\Administrator\esp\esp-idf\components\esp32\ld\
在这个文件夹里面把原来的esp32.project.ld.in替换当前目前的id文件用于支持命令行替换前记得备份
```c++
/* 核心原理是找到这个.flash.appdesc, 然后加入_shell_command_start和*_shell_command_end/
.flash.appdesc : ALIGN(0x10)
{
_rodata_start = ABSOLUTE(.);
*(.rodata_desc .rodata_desc.*) /* Should be the first. App version info. DO NOT PUT ANYTHING BEFORE IT! */
*(.rodata_custom_desc .rodata_custom_desc.*) /* Should be the second. Custom app version info. DO NOT PUT ANYTHING BEFORE IT! */
_shell_command_start = ABSOLUTE(.);
KEEP (*(shellCommand))
_shell_command_end = ABSOLUTE(.);
/* Create an empty gap within this section. Thanks to this, the end of this
* section will match .flah.rodata's begin address. Thus, both sections
* will be merged when creating the final bin image. */
. = ALIGN(ALIGNOF(.flash.rodata));
} >default_rodata_seg
```