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Minor changes from review of last PR

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This commit is contained in:
Gregory Nutt
2016-07-24 07:45:46 -06:00
parent fe678cf351
commit e895e19b9f
1 changed files with 13 additions and 4 deletions
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arch/arm/src/sam34/sam_udp.c
+13 -4
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@@ -1964,6 +1964,8 @@ static void sam_ep_interrupt(struct sam_usbdev_s *priv, int epno)
struct sam_ep_s *privep;
uintptr_t regaddr;
uint32_t csr;
bool bk0;
bool bk1;
DEBUGASSERT((unsigned)epno < SAM_UDP_NENDPOINTS);
@@ -2052,30 +2054,35 @@ static void sam_ep_interrupt(struct sam_usbdev_s *priv, int epno)
* and clear RXDATABKx.
*/
bool bk0 = (csr & UDPEP_CSR_RXDATABK0) != 0;
bool bk1 = (csr & UDPEP_CSR_RXDATABK1) != 0;
bk0 = (csr & UDPEP_CSR_RXDATABK0) != 0;
bk1 = (csr & UDPEP_CSR_RXDATABK1) != 0;
/* 2. and 6. - Only read bank 0 */
if (bk0 && !bk1)
{
usbtrace(TRACE_INTDECODE(SAM_TRACEINTID_RXDATABK0), (uint16_t)csr);
sam_ep_bankinterrupt(priv, privep, csr, 0);
}
/* 3. and 7. - Only read bank 1*/
else if (!bk0 && bk1)
{
#ifdef CONFIG_DEBUG
#ifdef CONFIG_DEBUG_USB_WARN
if (privep->lastbank == 1)
{
ulldbg("Unexpected USB RX case.\n");
uwarn("WARNING: Unexpected USB RX case.\n");
}
#endif
usbtrace(TRACE_INTDECODE(SAM_TRACEINTID_RXDATABK1), (uint16_t)csr);
sam_ep_bankinterrupt(priv, privep, csr, 1);
}
else if (bk0 && bk1)
{
/* 4. - Read bank 1, then read bank 0 */
if (privep->lastbank == 0)
{
usbtrace(TRACE_INTDECODE(SAM_TRACEINTID_RXDATABK1), (uint16_t)csr);
@@ -2084,7 +2091,9 @@ static void sam_ep_interrupt(struct sam_usbdev_s *priv, int epno)
usbtrace(TRACE_INTDECODE(SAM_TRACEINTID_RXDATABK0), (uint16_t)csr);
sam_ep_bankinterrupt(priv, privep, csr, 0);
}
/* 8. - Read bank 0, then read bank 1 */
else
{
usbtrace(TRACE_INTDECODE(SAM_TRACEINTID_RXDATABK0), (uint16_t)csr);