STM32 HID device

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介绍

可用STM32模拟鼠标数据控制。

发送给上位机数据为4 bytes

byte bit implement
1 7 1 means Y changes larger than the range -256~255
1 6 1 means X changes larger than the range -256~255
1 5 1 means Y changes to negative part
1 4 1 means X changes to negative part
1 3 constant 1
1 2 middle key pressed
1 1 right key pressed
1 0 left key pressed
2 0-7 X coordinate’s chaning
3 0-7 Y coordinate’s chaning
4 0-7 rolling value

初始化

CubeMX里 connectivity-USB enable “Device”, 然后Middleware 选择 HID，保持默认即可

在main.c中添加

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#include “usbd_hid.h”

uint8_t MouseData01[4] = {0,0,0,0};
extern USBD_HandleTypeDef hUsbDeviceFS;

while里

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USBD_HID_SendReport(&hUsbDeviceFS,(uint8_t*)&MouseData01,sizeof(MouseData01));

即可控制