updated USB docs

This commit is contained in:
LiHuashen
2019-01-23 11:16:54 +08:00
parent cf3201dd2f
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# USB
<img src="assets/img/product_pics/module/module_usb_01.png" width="30%" height="30%"> <img src="assets/img/product_pics/module/module_usb_02.png" width="30%" height="30%">
<img src="assets/img/product_pics/module/module_usb_01.png" width="30%" height="30%"><img src="assets/img/product_pics/module/module_usb_02.png" width="30%" height="30%">
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## Description
<mark>USB模块</mark>是一款USB控制器,内置了USB芯片MAX3421E。堆叠了M5Core之后,通过通信速率可高达26MHz的SPI接口与M5Core连接,即可作USB外设又可作USB主机。
**<mark>USB</mark>** is a USB driver module which integrates **MAX3421E**(USB peripheral/host controller).
## Feature
- 高达26MHz的SPI接口
- 8路GPIO输入输出
- 内置锂电池接口
- SPI Interface: data rate Up to 26MHz
- 8-way general purpose input output(GPIO)
- Built in lithium battery socket
## Including
- 1x USB模块
- 1x USB module
## Application
- USB键盘记录器
- M5Core读写U盘
- USB keylogger
- Read and write U disk using M5Core
## Related Link
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## Example
*以下仅为用法示意,并不完整。如果需要完整例程请点击[这里](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Module/USB/Arduino)*
*If you want the complete code, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/Module/USB/Arduino).*
烧录例程`usb_mouse.ino`,USB鼠标接入模块之后,按住左键并拖动鼠标描绘白色线条;按住右键,描述绿色线条;按下中间滚轮键,清屏。
Burn example `usb_mouse.ino`, and USB mouse access module.
* Hold down the left mouse button and drag the mouse to draw white lines.
* Hold down the right mouse button and drag the mouse to draw a green line.
* Press the middle wheel button to clear the screen.
```arduino
#include <M5Stack.h>
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## 描述
<mark>USB模块</mark>是一款USB控制器,内置了USB芯片MAX3421E。堆叠了M5Core之后,通过通信速率可高达26MHz的SPI接口与M5Core连接,即可作USB外设又可作USB主机。
**<mark>USB模块</mark>** 是一款USB控制器,内置了USB芯片MAX3421E。堆叠了M5Core之后,通过通信速率可高达26MHz的SPI接口与M5Core连接,即可作USB外设又可作USB主机。
## 特性