C++ (Cpp) fb_readw Examples

Example #1

File: stm32fb.c Project: Jayjack0116/uclinux

static inline unsigned long copy_to_user16(void *to, const void *from,
					   unsigned long n)
{
	u16 *dst = (u16 *) to;
	u16 *src = (u16 *) from;

	while (n > 1) {
		u16 v = fb_readw(src);

		if (__put_user(v, dst))
			return n;

		src++, dst++;
		n -= 2;
	}

	if (n) {
		u8 v = fb_readb(src);

		if (__put_user(v, ((u8 *) dst)))
			return n;
	}

	return 0;
}

Example #2

File: fblinear8.cpp Project: matlinuxer2/ucimf-bak

void FBLinear8::RevRect(int x1,int y1,int x2,int y2) {
    assert( x1 >= 0 && x1 < Width() && y1 >=0 && y1 < Height());
    assert( x2 >= 0 && x2 < Width() && y2 >=0 && y2 < Height());
    assert(x1 <= x2 && y1 <= y2);
    __u8* dest = (__u8*)mpBuf + mNextLine * y1 + x1;

    int height = y2 - y1 + 1;
    int width = x2 - x1 + 1;
    int cnt;
    __u8* dest8;
    __u16* dest16;
    __u32 *dest32;
    for(; height--; dest += mNextLine) {
        dest32 = (__u32*)dest;
        for (cnt = width/4; cnt--;) {
            fb_writel(fb_readl(dest32) ^ 0x0f0f0f0f, dest32++);
        }
        if (width & 2) {
            dest16 = (__u16*)dest32;
            fb_writew(fb_readw(dest16) ^ 0x0f0f, dest16++);
            dest32 = (__u32*)dest16;
        }
        if (width & 1) {
            dest8 = (__u8*)dest32;
            fb_writeb(fb_readb(dest8) ^ 0x0f, dest8);
        }
    }
}