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implement dcd_edpt_stall

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hathach 2019-11-28 11:56:35 +07:00
parent 5dc04887e2
commit 552cc3ef33
1 changed files with 12 additions and 1 deletions
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13
src/portable/microchip/samg/dcd_samg.c
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@ -215,7 +215,12 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
{
(void) rhport;
(void) ep_addr;
uint8_t const epnum = tu_edpt_number(ep_addr);
// uint8_t const dir = tu_edpt_dir(ep_addr);
// Set force stall bit
UDP->UDP_CSR[epnum] |= UDP_CSR_FORCESTALL_Msk;
}
// clear stall, data toggle is also reset to DATA0
@ -302,6 +307,12 @@ void dcd_isr(uint8_t rhport)
// Clear DATA Bank0 bit
UDP->UDP_CSR[0] &= ~UDP_CSR_RX_DATA_BK0_Msk;
}
// Stall sent to host
if (UDP->UDP_CSR[epnum] & UDP_CSR_STALLSENT_Msk)
{
UDP->UDP_CSR[0] &= ~UDP_CSR_STALLSENT_Msk;
}
}
}