rt-thread/components/drivers/usb/usbhost/class/umouse.c

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/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
* Change Logs:
* Date Author Notes
* 2012-01-03 Yi Qiu first version
*/
#include <rtthread.h>
#include <drivers/usb_host.h>
#include "hid.h"
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#ifdef RT_USING_RTGUI
#include <rtgui/event.h>
#include <rtgui/rtgui_server.h>
#include "drv_lcd.h"
#endif
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#if defined(RT_USBH_HID) && defined(RT_USBH_HID_MOUSE)
static struct uprotocal mouse_protocal;
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#ifdef RT_USING_RTGUI
#define LKEY_PRESS 0x01
#define RKEY_PRESS 0x02
#define MKEY_PRESS 0x04
#define MOUSE_SCALING 0x02
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static rt_bool_t lkey_down=RT_FALSE;
//static rt_bool_t rkey_down=RT_FALSE;
//static rt_bool_t mkey_down=RT_FALSE;
static struct rtgui_event_mouse emouse;
#endif
static rt_err_t rt_usbh_hid_mouse_callback(void* arg)
{
struct uhid* hid;
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#ifdef RT_USING_RTGUI
rt_uint16_t xoffset=0;
rt_uint16_t yoffset=0;
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#endif
hid = (struct uhid*)arg;
RT_DEBUG_LOG(RT_DEBUG_USB, ("hid 0x%x 0x%x\n",
*(rt_uint32_t*)hid->buffer,
*(rt_uint32_t*)(&hid->buffer[4])));
#ifdef RT_USING_RTGUI
if(hid->buffer[1]!=0)
{
if(hid->buffer[1]>127)
{
xoffset=(256-hid->buffer[1])*MOUSE_SCALING;
if(emouse.x>xoffset)
{
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emouse.x-=xoffset;
}
else
{
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emouse.x=0;
}
}
else
{
xoffset=(hid->buffer[1])*MOUSE_SCALING;
if((emouse.x+xoffset)<480)
{
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emouse.x+=xoffset;
}
else
{
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emouse.x=480;
}
}
}
if(hid->buffer[2]!=0)
{
if(hid->buffer[2]>127)
{
yoffset=(256-hid->buffer[2])*MOUSE_SCALING;
if(emouse.y>yoffset)
{
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emouse.y-=yoffset;
}
else
{
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emouse.y=0;
}
}
else
{
yoffset=hid->buffer[2]*MOUSE_SCALING;
if(emouse.y+yoffset<272)
{
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emouse.y+=yoffset;
}
else
{
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emouse.y=272;
}
}
}
if(xoffset!=0||yoffset!=0)
{
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cursor_set_position(emouse.x,emouse.y);
}
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if(hid->buffer[0]&LKEY_PRESS)
{
if(lkey_down==RT_FALSE)
{
// rt_kprintf("mouse left key press down\n");
emouse.button = (RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_DOWN);
rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse));
lkey_down=RT_TRUE;
}
}
else if(lkey_down==RT_TRUE)
{
// rt_kprintf("mouse left key press up\n");
emouse.button = (RTGUI_MOUSE_BUTTON_LEFT | RTGUI_MOUSE_BUTTON_UP);
rtgui_server_post_event(&emouse.parent, sizeof(struct rtgui_event_mouse));
lkey_down=RT_FALSE;
}
#endif
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return RT_EOK;
}
static rt_err_t rt_usbh_hid_mouse_init(void* arg)
{
struct uintf* intf = (struct uintf*)arg;
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RT_ASSERT(intf != RT_NULL);
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rt_usbh_hid_set_protocal(intf, 0);
rt_usbh_hid_set_idle(intf, 10, 0);
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RT_DEBUG_LOG(RT_DEBUG_USB, ("start usb mouse\n"));
#ifdef RT_USING_RTGUI
RTGUI_EVENT_MOUSE_BUTTON_INIT(&emouse);
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emouse.wid = RT_NULL;
cursor_display(RT_TRUE);
#endif
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return RT_EOK;
}
/**
* This function will define the hid mouse protocal, it will be register to the protocal list.
*
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* @return the keyboard protocal structure.
*/
uprotocal_t rt_usbh_hid_protocal_mouse(void)
{
mouse_protocal.pro_id = USB_HID_MOUSE;
mouse_protocal.init = rt_usbh_hid_mouse_init;
mouse_protocal.callback = rt_usbh_hid_mouse_callback;
return &mouse_protocal;
}
#endif