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add dcd_edpt_stalled() API

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- implement control endpoint get status, endpoint set feature
This commit is contained in:
hathach 2018-07-25 21:21:33 +07:00
parent 9365794623
commit 544f9c1315
3 changed files with 32 additions and 3 deletions
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1
src/device/dcd.h
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@ -93,6 +93,7 @@ bool dcd_edpt_busy (uint8_t rhport, uint8_t ep_addr);
void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr);
void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr);
bool dcd_edpt_stalled (uint8_t rhport, uint8_t ep_addr);
//------------- Control Endpoint -------------//
bool dcd_control_xfer (uint8_t rhport, tusb_dir_t dir, uint8_t * buffer, uint16_t length);

19
src/device/usbd.c
View File

@ -411,11 +411,26 @@ static tusb_error_t proc_control_request_st(uint8_t rhport, tusb_control_request
else if ( TUSB_REQ_RCPT_ENDPOINT == p_request->bmRequestType_bit.recipient &&
TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type)
{
if (TUSB_REQ_CLEAR_FEATURE == p_request->bRequest )
if (TUSB_REQ_GET_STATUS == p_request->bRequest )
{
uint16_t status = dcd_edpt_stalled(rhport, u16_low_u8(p_request->wIndex)) ? 0x0001 : 0x0000;
memcpy(_usbd_ctrl_buf, &status, 2);
usbd_control_xfer_st(rhport, p_request->bmRequestType_bit.direction, _usbd_ctrl_buf, 2);
}
else if (TUSB_REQ_CLEAR_FEATURE == p_request->bRequest )
{
// only endpoint feature is halted/stalled
dcd_edpt_clear_stall(rhport, u16_low_u8(p_request->wIndex));
dcd_control_status(rhport, p_request->bmRequestType_bit.direction);
} else
}
else if (TUSB_REQ_SET_FEATURE == p_request->bRequest )
{
// only endpoint feature is halted/stalled
dcd_edpt_stall(rhport, u16_low_u8(p_request->wIndex));
dcd_control_status(rhport, p_request->bmRequestType_bit.direction);
}
else
{
dcd_control_stall(rhport); // Stall unsupported request
}

13
src/portable/nordic/nrf5x/dcd_nrf5x.c
View File

@ -333,6 +333,17 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
return true;
}
bool dcd_edpt_stalled (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
// control is never got halted
if ( ep_addr == 0 ) return false;
uint8_t const epnum = edpt_number(ep_addr);
return (edpt_dir(ep_addr) == TUSB_DIR_IN ) ? NRF_USBD->HALTED.EPIN[epnum] : NRF_USBD->HALTED.EPOUT[epnum];
}
void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
@ -351,9 +362,11 @@ void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
if ( ep_addr )
{
NRF_USBD->EPSTALL = (USBD_EPSTALL_STALL_UnStall << USBD_EPSTALL_STALL_Pos) | ep_addr;
__ISB(); __DSB();
}
}