Merge remote-tracking branch 'origin/master' into usbhub
This commit is contained in:
commit
84983b0ab2
@ -10278,3 +10278,9 @@
|
||||
stm32f37xxx_memorymap.h: Added missing EXTI definitions for the STM32
|
||||
F3; Correct an error the port D base address in the STM32 F30x and F37x
|
||||
memory maps. From Greg Meiste (2015-05-01).
|
||||
* arch/arm/src/lpc17xx/lpc176x_gpio.c: Reorder steps when an output
|
||||
GPIO is configured in order to avoid transient bad values from being
|
||||
output. From Hal Glenn (2015-05-02).
|
||||
* arch/arm/src/stm32/stm32_otgfsdev.c and stm32_otghsdev.c: Add
|
||||
protection in the event that out-of-bound enpoint numbers are
|
||||
received. From David Sidrane (2015-05-02).
|
||||
|
@ -479,13 +479,6 @@ static inline int lpc17_configoutput(lpc17_pinset_t cfgset, unsigned int port,
|
||||
|
||||
(void)lpc17_configinput(DEFAULT_INPUT, port, pin);
|
||||
|
||||
/* Now, reconfigure the pin as an output */
|
||||
|
||||
fiobase = g_fiobase[port];
|
||||
regval = getreg32(fiobase + LPC17_FIO_DIR_OFFSET);
|
||||
regval |= (1 << pin);
|
||||
putreg32(regval, fiobase + LPC17_FIO_DIR_OFFSET);
|
||||
|
||||
/* Check for open drain output */
|
||||
|
||||
if ((cfgset & GPIO_OPEN_DRAIN) != 0)
|
||||
@ -505,6 +498,14 @@ static inline int lpc17_configoutput(lpc17_pinset_t cfgset, unsigned int port,
|
||||
|
||||
lpc17_gpiowrite(cfgset, ((cfgset & GPIO_VALUE) != GPIO_VALUE_ZERO));
|
||||
|
||||
/* Now, reconfigure the pin as an output */
|
||||
|
||||
fiobase = g_fiobase[port];
|
||||
regval = getreg32(fiobase + LPC17_FIO_DIR_OFFSET);
|
||||
regval |= (1 << pin);
|
||||
putreg32(regval, fiobase + LPC17_FIO_DIR_OFFSET);
|
||||
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
|
@ -3124,132 +3124,136 @@ static inline void stm32_rxinterrupt(FAR struct stm32_usbdev_s *priv)
|
||||
/* Decode status fields */
|
||||
|
||||
epphy = (regval & OTGFS_GRXSTSD_EPNUM_MASK) >> OTGFS_GRXSTSD_EPNUM_SHIFT;
|
||||
privep = &priv->epout[epphy];
|
||||
|
||||
/* Handle the RX event according to the packet status field */
|
||||
|
||||
switch (regval & OTGFS_GRXSTSD_PKTSTS_MASK)
|
||||
if (epphy < STM32_NENDPOINTS)
|
||||
{
|
||||
/* Global OUT NAK. This indicate that the global OUT NAK bit has taken
|
||||
* effect.
|
||||
*
|
||||
* PKTSTS = Global OUT NAK, BCNT = 0, EPNUM = Don't Care, DPID = Don't
|
||||
* Care.
|
||||
*/
|
||||
privep = &priv->epout[epphy];
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_OUTNAK:
|
||||
/* Handle the RX event according to the packet status field */
|
||||
|
||||
switch (regval & OTGFS_GRXSTSD_PKTSTS_MASK)
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTNAK), 0);
|
||||
/* Global OUT NAK. This indicate that the global OUT NAK bit has taken
|
||||
* effect.
|
||||
*
|
||||
* PKTSTS = Global OUT NAK, BCNT = 0, EPNUM = Don't Care, DPID = Don't
|
||||
* Care.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_OUTNAK:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTNAK), 0);
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT data packet received.
|
||||
*
|
||||
* PKTSTS = DataOUT, BCNT = size of the received data OUT packet,
|
||||
* EPNUM = EPNUM on which the packet was received, DPID = Actual Data PID.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_OUTRECVD:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTRECVD), epphy);
|
||||
bcnt = (regval & OTGFS_GRXSTSD_BCNT_MASK) >> OTGFS_GRXSTSD_BCNT_SHIFT;
|
||||
if (bcnt > 0)
|
||||
{
|
||||
stm32_epout_receive(privep, bcnt);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT transfer completed. This indicates that an OUT data transfer for
|
||||
* the specified OUT endpoint has completed. After this entry is popped
|
||||
* from the receive FIFO, the core asserts a Transfer Completed interrupt
|
||||
* on the specified OUT endpoint.
|
||||
*
|
||||
* PKTSTS = Data OUT Transfer Done, BCNT = 0, EPNUM = OUT EP Num on
|
||||
* which the data transfer is complete, DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_OUTDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP transaction completed. This indicates that the Setup stage for
|
||||
* the specified endpoint has completed and the Data stage has started.
|
||||
* After this entry is popped from the receive FIFO, the core asserts a
|
||||
* Setup interrupt on the specified control OUT endpoint (triggers an
|
||||
* interrupt).
|
||||
*
|
||||
* PKTSTS = Setup Stage Done, BCNT = 0, EPNUM = Control EP Num,
|
||||
* DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_SETUPDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP data packet received. This indicates that a SETUP packet for the
|
||||
* specified endpoint is now available for reading from the receive FIFO.
|
||||
*
|
||||
* PKTSTS = SETUP, BCNT = 8, EPNUM = Control EP Num, DPID = D0.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_SETUPRECVD:
|
||||
{
|
||||
uint16_t datlen;
|
||||
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPRECVD), epphy);
|
||||
|
||||
/* Read EP0 setup data. NOTE: If multiple SETUP packets are received,
|
||||
* the last one overwrites the previous setup packets and only that
|
||||
* last SETUP packet will be processed.
|
||||
*/
|
||||
|
||||
stm32_rxfifo_read(&priv->epout[EP0], (FAR uint8_t*)&priv->ctrlreq,
|
||||
USB_SIZEOF_CTRLREQ);
|
||||
|
||||
/* Was this an IN or an OUT SETUP packet. If it is an OUT SETUP,
|
||||
* then we need to wait for the completion of the data phase to
|
||||
* process the setup command. If it is an IN SETUP packet, then
|
||||
* we must processing the command BEFORE we enter the DATA phase.
|
||||
*
|
||||
* If the data associated with the OUT SETUP packet is zero length,
|
||||
* then, of course, we don't need to wait.
|
||||
*/
|
||||
|
||||
datlen = GETUINT16(priv->ctrlreq.len);
|
||||
if (USB_REQ_ISOUT(priv->ctrlreq.type) && datlen > 0)
|
||||
{
|
||||
/* Clear NAKSTS so that we can receive the data */
|
||||
|
||||
regval = stm32_getreg(STM32_OTGFS_DOEPCTL0);
|
||||
regval |= OTGFS_DOEPCTL0_CNAK;
|
||||
stm32_putreg(regval, STM32_OTGFS_DOEPCTL0);
|
||||
|
||||
/* Wait for the data phase. */
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_OUT;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We can process the setup data as soon as SETUP done word is
|
||||
* popped of the RxFIFO.
|
||||
*/
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_READY;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
{
|
||||
usbtrace(TRACE_DEVERROR(STM32_TRACEERR_INVALIDPARMS),
|
||||
(regval & OTGFS_GRXSTSD_PKTSTS_MASK) >> OTGFS_GRXSTSD_PKTSTS_SHIFT);
|
||||
}
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT data packet received.
|
||||
*
|
||||
* PKTSTS = DataOUT, BCNT = size of the received data OUT packet,
|
||||
* EPNUM = EPNUM on which the packet was received, DPID = Actual Data PID.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_OUTRECVD:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTRECVD), epphy);
|
||||
bcnt = (regval & OTGFS_GRXSTSD_BCNT_MASK) >> OTGFS_GRXSTSD_BCNT_SHIFT;
|
||||
if (bcnt > 0)
|
||||
{
|
||||
stm32_epout_receive(privep, bcnt);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT transfer completed. This indicates that an OUT data transfer for
|
||||
* the specified OUT endpoint has completed. After this entry is popped
|
||||
* from the receive FIFO, the core asserts a Transfer Completed interrupt
|
||||
* on the specified OUT endpoint.
|
||||
*
|
||||
* PKTSTS = Data OUT Transfer Done, BCNT = 0, EPNUM = OUT EP Num on
|
||||
* which the data transfer is complete, DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_OUTDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP transaction completed. This indicates that the Setup stage for
|
||||
* the specified endpoint has completed and the Data stage has started.
|
||||
* After this entry is popped from the receive FIFO, the core asserts a
|
||||
* Setup interrupt on the specified control OUT endpoint (triggers an
|
||||
* interrupt).
|
||||
*
|
||||
* PKTSTS = Setup Stage Done, BCNT = 0, EPNUM = Control EP Num,
|
||||
* DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_SETUPDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP data packet received. This indicates that a SETUP packet for the
|
||||
* specified endpoint is now available for reading from the receive FIFO.
|
||||
*
|
||||
* PKTSTS = SETUP, BCNT = 8, EPNUM = Control EP Num, DPID = D0.
|
||||
*/
|
||||
|
||||
case OTGFS_GRXSTSD_PKTSTS_SETUPRECVD:
|
||||
{
|
||||
uint16_t datlen;
|
||||
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPRECVD), epphy);
|
||||
|
||||
/* Read EP0 setup data. NOTE: If multiple SETUP packets are received,
|
||||
* the last one overwrites the previous setup packets and only that
|
||||
* last SETUP packet will be processed.
|
||||
*/
|
||||
|
||||
stm32_rxfifo_read(&priv->epout[EP0], (FAR uint8_t*)&priv->ctrlreq,
|
||||
USB_SIZEOF_CTRLREQ);
|
||||
|
||||
/* Was this an IN or an OUT SETUP packet. If it is an OUT SETUP,
|
||||
* then we need to wait for the completion of the data phase to
|
||||
* process the setup command. If it is an IN SETUP packet, then
|
||||
* we must processing the command BEFORE we enter the DATA phase.
|
||||
*
|
||||
* If the data associated with the OUT SETUP packet is zero length,
|
||||
* then, of course, we don't need to wait.
|
||||
*/
|
||||
|
||||
datlen = GETUINT16(priv->ctrlreq.len);
|
||||
if (USB_REQ_ISOUT(priv->ctrlreq.type) && datlen > 0)
|
||||
{
|
||||
/* Clear NAKSTS so that we can receive the data */
|
||||
|
||||
regval = stm32_getreg(STM32_OTGFS_DOEPCTL0);
|
||||
regval |= OTGFS_DOEPCTL0_CNAK;
|
||||
stm32_putreg(regval, STM32_OTGFS_DOEPCTL0);
|
||||
|
||||
/* Wait for the data phase. */
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_OUT;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We can process the setup data as soon as SETUP done word is
|
||||
* popped of the RxFIFO.
|
||||
*/
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_READY;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
{
|
||||
usbtrace(TRACE_DEVERROR(STM32_TRACEERR_INVALIDPARMS),
|
||||
(regval & OTGFS_GRXSTSD_PKTSTS_MASK) >> OTGFS_GRXSTSD_PKTSTS_SHIFT);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Enable the Rx Status Queue Level interrupt */
|
||||
|
@ -3124,132 +3124,136 @@ static inline void stm32_rxinterrupt(FAR struct stm32_usbdev_s *priv)
|
||||
/* Decode status fields */
|
||||
|
||||
epphy = (regval & OTGHS_GRXSTSD_EPNUM_MASK) >> OTGHS_GRXSTSD_EPNUM_SHIFT;
|
||||
privep = &priv->epout[epphy];
|
||||
|
||||
/* Handle the RX event according to the packet status field */
|
||||
|
||||
switch (regval & OTGHS_GRXSTSD_PKTSTS_MASK)
|
||||
if (epphy < STM32_NENDPOINTS)
|
||||
{
|
||||
/* Global OUT NAK. This indicate that the global OUT NAK bit has taken
|
||||
* effect.
|
||||
*
|
||||
* PKTSTS = Global OUT NAK, BCNT = 0, EPNUM = Don't Care, DPID = Don't
|
||||
* Care.
|
||||
*/
|
||||
privep = &priv->epout[epphy];
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_OUTNAK:
|
||||
/* Handle the RX event according to the packet status field */
|
||||
|
||||
switch (regval & OTGHS_GRXSTSD_PKTSTS_MASK)
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTNAK), 0);
|
||||
/* Global OUT NAK. This indicate that the global OUT NAK bit has taken
|
||||
* effect.
|
||||
*
|
||||
* PKTSTS = Global OUT NAK, BCNT = 0, EPNUM = Don't Care, DPID = Don't
|
||||
* Care.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_OUTNAK:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTNAK), 0);
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT data packet received.
|
||||
*
|
||||
* PKTSTS = DataOUT, BCNT = size of the received data OUT packet,
|
||||
* EPNUM = EPNUM on which the packet was received, DPID = Actual Data PID.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_OUTRECVD:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTRECVD), epphy);
|
||||
bcnt = (regval & OTGHS_GRXSTSD_BCNT_MASK) >> OTGHS_GRXSTSD_BCNT_SHIFT;
|
||||
if (bcnt > 0)
|
||||
{
|
||||
stm32_epout_receive(privep, bcnt);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT transfer completed. This indicates that an OUT data transfer for
|
||||
* the specified OUT endpoint has completed. After this entry is popped
|
||||
* from the receive FIFO, the core asserts a Transfer Completed interrupt
|
||||
* on the specified OUT endpoint.
|
||||
*
|
||||
* PKTSTS = Data OUT Transfer Done, BCNT = 0, EPNUM = OUT EP Num on
|
||||
* which the data transfer is complete, DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_OUTDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP transaction completed. This indicates that the Setup stage for
|
||||
* the specified endpoint has completed and the Data stage has started.
|
||||
* After this entry is popped from the receive FIFO, the core asserts a
|
||||
* Setup interrupt on the specified control OUT endpoint (triggers an
|
||||
* interrupt).
|
||||
*
|
||||
* PKTSTS = Setup Stage Done, BCNT = 0, EPNUM = Control EP Num,
|
||||
* DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_SETUPDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP data packet received. This indicates that a SETUP packet for the
|
||||
* specified endpoint is now available for reading from the receive FIFO.
|
||||
*
|
||||
* PKTSTS = SETUP, BCNT = 8, EPNUM = Control EP Num, DPID = D0.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_SETUPRECVD:
|
||||
{
|
||||
uint16_t datlen;
|
||||
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPRECVD), epphy);
|
||||
|
||||
/* Read EP0 setup data. NOTE: If multiple SETUP packets are received,
|
||||
* the last one overwrites the previous setup packets and only that
|
||||
* last SETUP packet will be processed.
|
||||
*/
|
||||
|
||||
stm32_rxfifo_read(&priv->epout[EP0], (FAR uint8_t*)&priv->ctrlreq,
|
||||
USB_SIZEOF_CTRLREQ);
|
||||
|
||||
/* Was this an IN or an OUT SETUP packet. If it is an OUT SETUP,
|
||||
* then we need to wait for the completion of the data phase to
|
||||
* process the setup command. If it is an IN SETUP packet, then
|
||||
* we must processing the command BEFORE we enter the DATA phase.
|
||||
*
|
||||
* If the data associated with the OUT SETUP packet is zero length,
|
||||
* then, of course, we don't need to wait.
|
||||
*/
|
||||
|
||||
datlen = GETUINT16(priv->ctrlreq.len);
|
||||
if (USB_REQ_ISOUT(priv->ctrlreq.type) && datlen > 0)
|
||||
{
|
||||
/* Clear NAKSTS so that we can receive the data */
|
||||
|
||||
regval = stm32_getreg(STM32_OTGHS_DOEPCTL0);
|
||||
regval |= OTGHS_DOEPCTL0_CNAK;
|
||||
stm32_putreg(regval, STM32_OTGHS_DOEPCTL0);
|
||||
|
||||
/* Wait for the data phase. */
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_OUT;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We can process the setup data as soon as SETUP done word is
|
||||
* popped of the RxFIFO.
|
||||
*/
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_READY;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
{
|
||||
usbtrace(TRACE_DEVERROR(STM32_TRACEERR_INVALIDPARMS),
|
||||
(regval & OTGHS_GRXSTSD_PKTSTS_MASK) >> OTGHS_GRXSTSD_PKTSTS_SHIFT);
|
||||
}
|
||||
break;
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT data packet received.
|
||||
*
|
||||
* PKTSTS = DataOUT, BCNT = size of the received data OUT packet,
|
||||
* EPNUM = EPNUM on which the packet was received, DPID = Actual Data PID.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_OUTRECVD:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTRECVD), epphy);
|
||||
bcnt = (regval & OTGHS_GRXSTSD_BCNT_MASK) >> OTGHS_GRXSTSD_BCNT_SHIFT;
|
||||
if (bcnt > 0)
|
||||
{
|
||||
stm32_epout_receive(privep, bcnt);
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
/* OUT transfer completed. This indicates that an OUT data transfer for
|
||||
* the specified OUT endpoint has completed. After this entry is popped
|
||||
* from the receive FIFO, the core asserts a Transfer Completed interrupt
|
||||
* on the specified OUT endpoint.
|
||||
*
|
||||
* PKTSTS = Data OUT Transfer Done, BCNT = 0, EPNUM = OUT EP Num on
|
||||
* which the data transfer is complete, DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_OUTDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_OUTDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP transaction completed. This indicates that the Setup stage for
|
||||
* the specified endpoint has completed and the Data stage has started.
|
||||
* After this entry is popped from the receive FIFO, the core asserts a
|
||||
* Setup interrupt on the specified control OUT endpoint (triggers an
|
||||
* interrupt).
|
||||
*
|
||||
* PKTSTS = Setup Stage Done, BCNT = 0, EPNUM = Control EP Num,
|
||||
* DPID = Don't Care.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_SETUPDONE:
|
||||
{
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPDONE), epphy);
|
||||
}
|
||||
break;
|
||||
|
||||
/* SETUP data packet received. This indicates that a SETUP packet for the
|
||||
* specified endpoint is now available for reading from the receive FIFO.
|
||||
*
|
||||
* PKTSTS = SETUP, BCNT = 8, EPNUM = Control EP Num, DPID = D0.
|
||||
*/
|
||||
|
||||
case OTGHS_GRXSTSD_PKTSTS_SETUPRECVD:
|
||||
{
|
||||
uint16_t datlen;
|
||||
|
||||
usbtrace(TRACE_INTDECODE(STM32_TRACEINTID_SETUPRECVD), epphy);
|
||||
|
||||
/* Read EP0 setup data. NOTE: If multiple SETUP packets are received,
|
||||
* the last one overwrites the previous setup packets and only that
|
||||
* last SETUP packet will be processed.
|
||||
*/
|
||||
|
||||
stm32_rxfifo_read(&priv->epout[EP0], (FAR uint8_t*)&priv->ctrlreq,
|
||||
USB_SIZEOF_CTRLREQ);
|
||||
|
||||
/* Was this an IN or an OUT SETUP packet. If it is an OUT SETUP,
|
||||
* then we need to wait for the completion of the data phase to
|
||||
* process the setup command. If it is an IN SETUP packet, then
|
||||
* we must processing the command BEFORE we enter the DATA phase.
|
||||
*
|
||||
* If the data associated with the OUT SETUP packet is zero length,
|
||||
* then, of course, we don't need to wait.
|
||||
*/
|
||||
|
||||
datlen = GETUINT16(priv->ctrlreq.len);
|
||||
if (USB_REQ_ISOUT(priv->ctrlreq.type) && datlen > 0)
|
||||
{
|
||||
/* Clear NAKSTS so that we can receive the data */
|
||||
|
||||
regval = stm32_getreg(STM32_OTGHS_DOEPCTL0);
|
||||
regval |= OTGHS_DOEPCTL0_CNAK;
|
||||
stm32_putreg(regval, STM32_OTGHS_DOEPCTL0);
|
||||
|
||||
/* Wait for the data phase. */
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_OUT;
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We can process the setup data as soon as SETUP done word is
|
||||
* popped of the RxFIFO.
|
||||
*/
|
||||
|
||||
priv->ep0state = EP0STATE_SETUP_READY;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
{
|
||||
usbtrace(TRACE_DEVERROR(STM32_TRACEERR_INVALIDPARMS),
|
||||
(regval & OTGHS_GRXSTSD_PKTSTS_MASK) >> OTGHS_GRXSTSD_PKTSTS_SHIFT);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Enable the Rx Status Queue Level interrupt */
|
||||
|
Loading…
Reference in New Issue
Block a user