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Init TDSTATUS

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3211 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2010-12-21 12:26:34 +00:00
parent 452832f40f
commit 1af49ff4bd
1 changed files with 15 additions and 1 deletions
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16
arch/arm/src/lpc17xx/lpc17_usbhost.c
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@ -653,6 +653,7 @@ static int lpc17_ctrltd(struct lpc17_usbhost_s *priv, uint32_t dirpid,
/* Then enqueue the transfer */
priv->tdstatus = 0;
lpc17_enqueuetd(EDCTRL, dirpid, toggle, buffer, buflen);
lpc17_putreg(LPC17_EDCTRL_ADDR, LPC17_USBHOST_CTRLHEADED);
@ -1386,12 +1387,22 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr,
if ((uintptr_t)buffer < LPC17_SRAM_BANK0 ||
(uintptr_t)buffer >= (LPC17_SRAM_BANK0 + LPC17_SRAM_BANK0 + LPC17_SRAM_BANK0))
{
/* Will the transfer fit in an IO buffer? */
if (buflen > CONFIG_USBHOST_IOBUFSIZE)
{
uvdbg("buflen (%d) > IO buffer size (%d)\n",
buflen, CONFIG_USBHOST_IOBUFSIZE);
goto errout;
}
/* Allocate an IO buffer in AHB SRAM */
origbuf = buffer;
buffer = lpc17_ioalloc(priv);
if (!buffer)
{
uvdbg("IO buffer allocation failed\n");
goto errout;
}
@ -1409,6 +1420,7 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr,
ed = lpc17_edalloc(priv);
if (!ed)
{
uvdbg("ED allocation failed\n");
goto errout;
}
@ -1433,6 +1445,7 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr,
/* Then enqueue the transfer */
priv->tdstatus = 0;
lpc17_enqueuetd(ed, dirpid, GTD_STATUS_T_TOGGLE, buffer, buflen);
lpc17_putreg((uint32_t)ed, LPC17_USBHOST_BULKHEADED);
@ -1457,6 +1470,7 @@ static int lpc17_transfer(FAR struct usbhost_driver_s *drvr,
}
else
{
uvdbg("Bad TD completion status: %d\n", priv->tdstatus);
ret = -EIO;
}
@ -1657,7 +1671,7 @@ FAR struct usbhost_driver_s *usbhost_initialize(int controller)
buffer = IOFREE;
for (i = 0; i < LPC17_IOBUFFERS; i++)
{
/* Put the TD buffer in a free list */
/* Put the IO buffer in a free list */
lpc17_iofree(priv, buffer);
buffer += CONFIG_USBHOST_IOBUFSIZE;