C++ (Cpp) insert_bit9 Examples

Example #1

File: ps2.c Project: agileinsider/phantomuserland

static void ps2ms_int_handler( void *arg )
{
    (void) arg;

    static int inbytepos = 0;

    signed char mousedata = inb( PS2_DATA_ADDR );

    SHOW_FLOW( 10 ,"%2X ", mousedata & 0xFFu );

    switch(inbytepos)
    {
    case 0:

        // first byte has one in this pos
        if(1 && ! (0x8 & mousedata) )
        {
            //inbytepos = -1; break;
            inbytepos = 0; return;
        }

        ps2ms_state_buttons = 0x7 & mousedata;
        xsign = 0x10 & mousedata;
        ysign = 0x20 & mousedata;
        break;

    case 1:     xval = mousedata; break;
    case 2:     yval = mousedata; break;
    case 3:     break;
    case 4:     break;
    }

    inbytepos++;
    inbytepos %= 3;
    //inbytepos %= 4;

    if(inbytepos != 0)
        return;

    xval = insert_bit9( xval, xsign );
    yval = insert_bit9( yval, ysign );

    ps2ms_state_xpos += xval;
    ps2ms_state_ypos += yval;

    if( ps2ms_state_xpos < 0 ) ps2ms_state_xpos = 0;
    if( ps2ms_state_ypos < 0 ) ps2ms_state_ypos = 0;

    if( ps2ms_state_xpos > video_drv->xsize ) ps2ms_state_xpos = video_drv->xsize;
    if( ps2ms_state_ypos > video_drv->ysize ) ps2ms_state_ypos = video_drv->ysize;


    //printf("ms %d %d %x\n", ps2ms_state_xpos, ps2ms_state_ypos, ps2ms_state_buttons );

    ps2_insert_mouse_event( ps2ms_state_xpos, ps2ms_state_ypos, ps2ms_state_buttons );

}

Example #2

File: ps2.c Project: NoSuchProcess/phantomuserland

static void ps2ms_int_handler( void *arg )
{
    (void) arg;

    static int inbytepos = 0;

    signed char mousedata = inb( PS2_DATA_ADDR );

    SHOW_FLOW( 10 ,"%2X ", mousedata & 0xFFu );

    switch(inbytepos)
    {
    case 0:

        // first byte has one in this pos
        if(1 && ! (0x8 & mousedata) )
        {
            //inbytepos = -1; break;
            inbytepos = 0; return;
        }

        ps2ms_state_buttons = 0x7 & mousedata;
        xsign = 0x10 & mousedata;
        ysign = 0x20 & mousedata;
        break;

    case 1:     xval = mousedata; break;
    case 2:     yval = mousedata; break;
    case 3:     break;
    case 4:     break;
    }

    inbytepos++;
    inbytepos %= 3;
    //inbytepos %= 4;

    if(inbytepos != 0)
        return;

    xval = insert_bit9( xval, xsign );
    yval = insert_bit9( yval, ysign );

    ps2ms_state_xpos += xval;
    ps2ms_state_ypos += yval;

    if( ps2ms_state_xpos < 0 ) ps2ms_state_xpos = 0;
    if( ps2ms_state_ypos < 0 ) ps2ms_state_ypos = 0;

    if( ps2ms_state_xpos > video_drv->xsize ) ps2ms_state_xpos = video_drv->xsize;
    if( ps2ms_state_ypos > video_drv->ysize ) ps2ms_state_ypos = video_drv->ysize;


    //printf("ms %d %d %x\n", ps2ms_state_xpos, ps2ms_state_ypos, ps2ms_state_buttons );

    if(NULL != video_drv)
    {
        video_drv->mouse_x = ps2ms_state_xpos;
        video_drv->mouse_y = ps2ms_state_ypos;

        struct ui_event e;
        e.type = UI_EVENT_TYPE_MOUSE;
        e.time = fast_time();
        e.focus= 0;

        e.m.buttons = ps2ms_state_buttons;
        e.abs_x = ps2ms_state_xpos;
        e.abs_y = ps2ms_state_ypos;

        put_buf(&e);
        hal_sem_release( &mouse_sem );
    }

}