github方案移植 步骤二 方案的代码部分AbsMouse

[wukong]

此文件为鼠标驱动库文件，arduino官方也可以找到该库，使用含有usb hid功能的单片机

#ifndef ABSMOUSE_h
#define ABSMOUSE_h

#include "HID.h"

#if !defined(_USING_HID)

#warning "AbsMouse not compatible with this device and/or firmware"

#else

#define MOUSE_LEFT 0x01
#define MOUSE_RIGHT 0x02
#define MOUSE_MIDDLE 0x04

class AbsMouse_
{
private:
uint8_t _buttons;
uint16_t _x;
uint16_t _y;
uint32_t _width;
uint32_t _height;
bool _autoReport;

public:
AbsMouse_(void);
void init(uint16_t width = 32767, uint16_t height = 32767, bool autoReport = true);
void report(void);
void move(uint16_t x, uint16_t y);
void press(uint8_t b = MOUSE_LEFT);
void release(uint8_t b = MOUSE_LEFT);
};
extern AbsMouse_ AbsMouse;

#endif
#endif


#下面代码为AbsMouse.cpp，上面为头文件

#include "AbsMouse.h"

#if defined(_USING_HID)

static const uint8_t HID_REPORT_DESCRIPTOR[] PROGMEM = {
0x05, 0x01,        // Usage Page (Generic Desktop Ctrls)
0x09, 0x02,        // Usage (Mouse)
0xA1, 0x01,        // Collection (Application)
0x09, 0x01,        //  Usage (Pointer)
0xA1, 0x00,        //  Collection (Physical)
0x85, 0x01,        //    Report ID (1)
0x05, 0x09,        //    Usage Page (Button)
0x19, 0x01,        //    Usage Minimum (0x01)
0x29, 0x03,        //    Usage Maximum (0x03)
0x15, 0x00,        //    Logical Minimum (0)
0x25, 0x01,        //    Logical Maximum (1)
0x95, 0x03,        //    Report Count (3)
0x75, 0x01,        //    Report Size (1)
0x81, 0x02,        //    Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x95, 0x01,        //    Report Count (1)
0x75, 0x05,        //    Report Size (5)
0x81, 0x03,        //    Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0x05, 0x01,        //    Usage Page (Generic Desktop Ctrls)
0x09, 0x30,        //    Usage (X)
0x09, 0x31,        //    Usage (Y)
0x16, 0x00, 0x00,  //    Logical Minimum (0)
0x26, 0xFF, 0x7F,  //    Logical Maximum (32767)
0x36, 0x00, 0x00,  //    Physical Minimum (0)
0x46, 0xFF, 0x7F,  //    Physical Maximum (32767)
0x75, 0x10,        //    Report Size (16)
0x95, 0x02,        //    Report Count (2)
0x81, 0x02,        //    Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
0xC0,              //  End Collection
0xC0              // End Collection
};

AbsMouse_::AbsMouse_(void) : _buttons(0), _x(0), _y(0)
{
static HIDSubDescriptor descriptorNode(HID_REPORT_DESCRIPTOR, sizeof(HID_REPORT_DESCRIPTOR));
HID().AppendDescriptor(&descriptorNode);
}

void AbsMouse_::init(uint16_t width, uint16_t height, bool autoReport)
{
_width = width;
_height = height;
_autoReport = autoReport;
}

void AbsMouse_::report(void)
{
uint8_t buffer[5];
buffer[0] = _buttons;
buffer[1] = _x & 0xFF;
buffer[2] = (_x >> 8) & 0xFF;
buffer[3] = _y & 0xFF;
buffer[4] = (_y >> 8) & 0xFF;
HID().SendReport(1, buffer, 5);
}

void AbsMouse_::move(uint16_t x, uint16_t y)
{
_x = (uint16_t) ((32767l * ((uint32_t) x)) / _width);
_y = (uint16_t) ((32767l * ((uint32_t) y)) / _height);

if (_autoReport) {
report();
}
}

void AbsMouse_::press(uint8_t button)
{
_buttons |= button;

if (_autoReport) {
report();
}
}

void AbsMouse_::release(uint8_t button)
{
_buttons &= ~button;

if (_autoReport) {
report();
}
}

AbsMouse_ AbsMouse;

#endif