C++ (Cpp) isp116x_raw_read_data16示例

示例#1

文件： isp116x-hcd.c 项目： AnAtom/u-boot-sunxi

/* Read len bytes from fifo and then read till 32-bit boundary
 */
static void read_ptddata_from_fifo(struct isp116x *isp116x, void *buf, int len)
{
	u8 *dp = (u8 *) buf;
	u16 *dp2 = (u16 *) buf;
	u16 w;
	int quot = len % 4;

	if ((unsigned long)dp2 & 1) {
		/* not aligned */
		for (; len > 1; len -= 2) {
			w = isp116x_raw_read_data16(isp116x);
			*dp++ = w & 0xff;
			*dp++ = (w >> 8) & 0xff;
		}
		if (len)
			*dp = 0xff & isp116x_read_data16(isp116x);
	} else {
		/* aligned */
		for (; len > 1; len -= 2)

示例#2

文件： isp116x-hcd.c 项目： 12rafael/jellytimekernel

/*
  Read len bytes from fifo and then read till 32-bit boundary.
 */
static void read_ptddata_from_fifo(struct isp116x *isp116x, void *buf, int len)
{
	u8 *dp = (u8 *) buf;
	u16 *dp2 = (u16 *) buf;
	u16 w;
	int quot = len % 4;

	/* buffer is already in 'usb data order', which is LE. */
	/* When reading buffer as u16, we have to take care byte order */
	/* doesn't get mixed up */

	if ((unsigned long)dp2 & 1) {
		/* not aligned */
		for (; len > 1; len -= 2) {
			w = isp116x_raw_read_data16(isp116x);
			*dp++ = w & 0xff;
			*dp++ = (w >> 8) & 0xff;
		}

		if (len)
			*dp = 0xff & isp116x_read_data16(isp116x);
	} else {
		/* aligned */
		for (; len > 1; len -= 2) {