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making more progress, but failed with WRITE10

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incorrect queue 448 bytes instead of 512
This commit is contained in:
hathach
2019-12-21 23:51:57 +07:00
parent 050fa2fd39
commit 421221baa5
2 changed files with 25 additions and 12 deletions
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31
src/portable/microchip/samg/dcd_samg.c
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@@ -63,6 +63,13 @@ void xfer_begin(xfer_desc_t* xfer, uint8_t * buffer, uint16_t total_bytes)
xfer->actual_len = 0;
}
void xfer_end(xfer_desc_t* xfer)
{
xfer->buffer = NULL;
xfer->total_len = 0;
xfer->actual_len = 0;
}
uint16_t xfer_packet_len(xfer_desc_t* xfer)
{
// also cover zero-length packet
@@ -258,10 +265,12 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
// OUT Data may already received and acked by hardware
// Read it as 1st packet then continue with transfer if needed
// uint16_t const xact_len = (uint16_t) ((UDP->UDP_CSR[epnum] & UDP_CSR_RXBYTECNT_Msk) >> UDP_CSR_RXBYTECNT_Pos);
//
// if ( xact_len )
// {
if ( UDP->UDP_CSR[epnum] & (UDP_CSR_RX_DATA_BK0_Msk | UDP_CSR_RX_DATA_BK1_Msk) )
{
uint16_t const xact_len = (uint16_t) ((UDP->UDP_CSR[epnum] & UDP_CSR_RXBYTECNT_Msk) >> UDP_CSR_RXBYTECNT_Pos);
TU_LOG2("xact_len = %d\r", xact_len);
// // Read from EP fifo
// xact_ep_read(epnum, xfer->buffer, xact_len);
// xfer_packet_done(xfer);
@@ -277,10 +286,10 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
// dcd_event_xfer_complete(rhport, epnum, xact_len, XFER_RESULT_SUCCESS, false);
// return true; // complete
// }
// }
}
// Enable interrupt when starting OUT transfer
UDP->UDP_IER |= (1 << epnum);
if (epnum != 0) UDP->UDP_IER |= (1 << epnum);
}
return true;
@@ -397,10 +406,13 @@ void dcd_isr(uint8_t rhport)
}
// Endpoint OUT
if (UDP->UDP_CSR[epnum] & UDP_CSR_RX_DATA_BK0_Msk)
// When both Bank0 and Bank1 are both set, there is not way to know which one comes first
if (UDP->UDP_CSR[epnum] & (UDP_CSR_RX_DATA_BK0_Msk | UDP_CSR_RX_DATA_BK1_Msk))
{
uint16_t const xact_len = (uint16_t) ((UDP->UDP_CSR[epnum] & UDP_CSR_RXBYTECNT_Msk) >> UDP_CSR_RXBYTECNT_Pos);
//if (epnum != 0) TU_LOG2("xact_len = %d\r", xact_len);
// Read from EP fifo
xact_ep_read(epnum, xfer->buffer, xact_len);
xfer_packet_done(xfer);
@@ -408,13 +420,14 @@ void dcd_isr(uint8_t rhport)
if ( 0 == xfer_packet_len(xfer) )
{
// Disable OUT EP interrupt when transfer is complete
UDP->UDP_IER &= ~(1 << epnum);
if (epnum != 0) UDP->UDP_IDR |= (1 << epnum);
dcd_event_xfer_complete(rhport, epnum, xact_len, XFER_RESULT_SUCCESS, true);
// xfer_end(xfer);
}
// Clear DATA Bank0 bit
UDP->UDP_CSR[epnum] &= ~UDP_CSR_RX_DATA_BK0_Msk;
UDP->UDP_CSR[epnum] &= ~(UDP_CSR_RX_DATA_BK0_Msk | UDP_CSR_RX_DATA_BK1_Msk);
}
// Stall sent to host