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Merge pull request #175 from pigrew/clear_feature_ordering

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Clear feature ordering
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hathach 2019-09-22 11:00:35 +07:00 committed by GitHub
commit b1d29947bc
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3 changed files with 45 additions and 35 deletions
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27
src/device/usbd.c
View File

@ -499,10 +499,6 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
uint8_t const drv_id = _usbd_dev.ep2drv[ep_num][ep_dir];
TU_ASSERT(drv_id < USBD_CLASS_DRIVER_COUNT);
// Some classes such as TMC needs to clear/re-init its buffer when receiving CLEAR_FEATURE request
// We will forward all request targeted endpoint to its class driver
// - For non-standard request: driver can ACK or Stall the request by return true/false
// - For standard request: usbd decide the ACK stage regardless of driver return value
bool ret = false;
if ( TUSB_REQ_TYPE_STANDARD != p_request->bmRequestType_bit.type )
@ -511,12 +507,6 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
usbd_control_set_complete_callback(usbd_class_drivers[drv_id].control_complete);
}
// Invoke class driver first if available
if ( usbd_class_drivers[drv_id].control_request )
{
ret = usbd_class_drivers[drv_id].control_request(rhport, p_request);
}
// Then handle if it is standard request
if ( TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type )
{
@ -552,7 +542,18 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
default: TU_BREAKPOINT(); return false;
}
}
// Some classes such as TMC needs to clear/re-init its buffer when receiving CLEAR_FEATURE request
// We will forward all request targeted endpoint to its class driver
// For class-type requests: must (call tud_control_status(); return true) or (return false)
// For std-type requests: non-std request codes are already discarded.
// must not call tud_control_status(), and return value will have no effect
// class driver is invoked last, so that EP already has EP stall cleared (in event of clear feature EP halt)
if ( usbd_class_drivers[drv_id].control_request &&
usbd_class_drivers[drv_id].control_request(rhport, p_request))
{
ret = true;
}
return ret;
}
break;
@ -633,7 +634,7 @@ static void mark_interface_endpoint(uint8_t ep2drv[8][2], uint8_t const* p_desc,
ep2drv[tu_edpt_number(ep_addr)][tu_edpt_dir(ep_addr)] = driver_id;
}
len += tu_desc_len(p_desc);
len = (uint16_t)(len + tu_desc_len(p_desc));
p_desc = tu_desc_next(p_desc);
}
}
@ -804,7 +805,7 @@ bool usbd_open_edpt_pair(uint8_t rhport, uint8_t const* p_desc, uint8_t ep_count
{
tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc;
TU_VERIFY(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && xfer_type == desc_ep->bmAttributes.xfer);
TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && xfer_type == desc_ep->bmAttributes.xfer);
TU_ASSERT(dcd_edpt_open(rhport, desc_ep));
if ( tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN )
@ -870,6 +871,7 @@ void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
dcd_edpt_stall(rhport, ep_addr);
_usbd_dev.ep_stall_map[dir] = (uint8_t) tu_bit_set(_usbd_dev.ep_stall_map[dir], epnum);
_usbd_dev.ep_busy_map[dir] = (uint8_t) tu_bit_set(_usbd_dev.ep_busy_map[dir], epnum);
}
void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
@ -878,6 +880,7 @@ void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
uint8_t const dir = tu_edpt_dir(ep_addr);
dcd_edpt_clear_stall(rhport, ep_addr);
_usbd_dev.ep_busy_map[dir] = (uint8_t) tu_bit_clear(_usbd_dev.ep_busy_map[dir], epnum);
_usbd_dev.ep_stall_map[dir] = (uint8_t) tu_bit_clear(_usbd_dev.ep_stall_map[dir], epnum);
}

2
src/device/usbd_control.c
View File

@ -122,7 +122,7 @@ bool usbd_control_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result
}
_control_state.total_transferred += xferred_bytes;
_control_state.buffer += xferred_bytes;
_control_state.buffer = ((uint8_t*)_control_state.buffer) + xferred_bytes;
if ( _control_state.total_len == _control_state.total_transferred || xferred_bytes < CFG_TUD_ENDOINT0_SIZE )
{

51
src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
View File

@ -331,7 +331,9 @@ static const tusb_desc_endpoint_t ep0IN_desc =
.bEndpointAddress = 0x80
};
#if defined(__GNUC__) && (__GNUC__ >= 7)
#pragma GCC diagnostic pop
#endif
static void dcd_handle_bus_reset(void)
{
@ -349,7 +351,6 @@ static void dcd_handle_bus_reset(void)
dcd_edpt_open (0, &ep0IN_desc);
newDADDR = 0u;
USB->DADDR = USB_DADDR_EF; // Set enable flag, and leaving the device address as zero.
pcd_set_ep_rx_status(USB, 0, USB_EP_RX_VALID); // And start accepting SETUP on EP0
}
// FIXME: Defined to return uint16 so that ASSERT can be used, even though a return value is not needed.
@ -518,8 +519,22 @@ static uint16_t dcd_ep_ctr_handler(void)
static void dcd_fs_irqHandler(void) {
uint16_t int_status = USB->ISTR;
// unused IRQs: (USB_ISTR_PMAOVR | USB_ISTR_ERR | USB_ISTR_WKUP | USB_ISTR_SUSP | USB_ISTR_ESOF | USB_ISTR_L1REQ )
uint32_t int_status = USB->ISTR;
//const uint32_t handled_ints = USB_ISTR_CTR | USB_ISTR_RESET | USB_ISTR_WKUP
// | USB_ISTR_SUSP | USB_ISTR_SOF | USB_ISTR_ESOF;
// unused IRQs: (USB_ISTR_PMAOVR | USB_ISTR_ERR | USB_ISTR_L1REQ )
// The ST driver loops here on the CTR bit, but that loop has been moved into the
// dcd_ep_ctr_handler(), so less need to loop here. The other interrupts shouldn't
// be triggered repeatedly.
if(int_status & USB_ISTR_RESET) {
// USBRST is start of reset.
reg16_clear_bits(&USB->ISTR, USB_ISTR_RESET);
dcd_handle_bus_reset();
dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true);
return; // Don't do the rest of the things here; perhaps they've been cleared?
}
if (int_status & USB_ISTR_CTR)
{
@ -528,12 +543,7 @@ static void dcd_fs_irqHandler(void) {
dcd_ep_ctr_handler();
reg16_clear_bits(&USB->ISTR, USB_ISTR_CTR);
}
if(int_status & USB_ISTR_RESET) {
// USBRST is start of reset.
reg16_clear_bits(&USB->ISTR, USB_ISTR_RESET);
dcd_handle_bus_reset();
dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true);
}
if (int_status & USB_ISTR_WKUP)
{
reg16_clear_bits(&USB->CNTR, USB_CNTR_LPMODE);
@ -544,6 +554,9 @@ static void dcd_fs_irqHandler(void) {
if (int_status & USB_ISTR_SUSP)
{
/* Suspend is asserted for both suspend and unplug events. without Vbus monitoring,
* these events cannot be differentiated, so we only trigger suspend. */
/* Force low-power mode in the macrocell */
USB->CNTR |= USB_CNTR_FSUSP;
USB->CNTR |= USB_CNTR_LPMODE;
@ -696,25 +709,19 @@ void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
{
(void)rhport;
if (ep_addr == 0) { // CTRL EP0 (OUT for setup)
pcd_set_ep_tx_status(USB,ep_addr, USB_EP_TX_STALL);
if (ep_addr & 0x80)
{ // IN
pcd_set_ep_tx_status(USB, ep_addr & 0x7F, USB_EP_TX_STALL);
}
if (ep_addr & 0x80) { // IN
ep_addr &= 0x7F;
pcd_set_ep_tx_status(USB,ep_addr, USB_EP_TX_STALL);
} else { // OUT
pcd_set_ep_rx_status(USB,ep_addr, USB_EP_RX_STALL);
else
{ // OUT
pcd_set_ep_rx_status(USB, ep_addr, USB_EP_RX_STALL);
}
}
void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
{
(void)rhport;
if (ep_addr == 0)
{
pcd_set_ep_tx_status(USB,ep_addr, USB_EP_TX_NAK);
}
if (ep_addr & 0x80)
{ // IN
@ -730,7 +737,7 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
/* Reset to DATA0 if clearing stall condition. */
pcd_clear_rx_dtog(USB,ep_addr);
pcd_set_ep_rx_status(USB,ep_addr, USB_EP_RX_VALID);
pcd_set_ep_rx_status(USB,ep_addr, USB_EP_RX_NAK);
}
}