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fix(usb/host): Decode error flags in ISOC transfers

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This commit is contained in:
Tomas Rezucha 2024-06-20 11:20:07 +02:00
parent 2acb6ac33f
commit 49d9fc0250
1 changed files with 18 additions and 3 deletions
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21
components/usb/hcd_dwc.c
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@ -2259,13 +2259,28 @@ static inline void _buffer_parse_isoc(dma_buffer_block_t *buffer, bool is_in)
int desc_status;
usb_dwc_hal_xfer_desc_parse(buffer->xfer_desc_list, desc_idx, &rem_len, &desc_status);
usb_dwc_hal_xfer_desc_clear(buffer->xfer_desc_list, desc_idx);
assert(rem_len == 0 || is_in);
assert(desc_status == USB_DWC_HAL_XFER_DESC_STS_SUCCESS || desc_status == USB_DWC_HAL_XFER_DESC_STS_NOT_EXECUTED);
switch (desc_status) {
case USB_DWC_HAL_XFER_DESC_STS_SUCCESS:
transfer->isoc_packet_desc[pkt_idx].status = USB_TRANSFER_STATUS_COMPLETED;
break;
case USB_DWC_HAL_XFER_DESC_STS_NOT_EXECUTED:
transfer->isoc_packet_desc[pkt_idx].status = USB_TRANSFER_STATUS_SKIPPED;
break;
case USB_DWC_HAL_XFER_DESC_STS_PKTERR:
transfer->isoc_packet_desc[pkt_idx].status = USB_TRANSFER_STATUS_ERROR;
break;
case USB_DWC_HAL_XFER_DESC_STS_BUFFER_ERR:
transfer->isoc_packet_desc[pkt_idx].status = USB_TRANSFER_STATUS_ERROR;
break;
default:
assert(false);
break;
}
assert(rem_len <= transfer->isoc_packet_desc[pkt_idx].num_bytes); // Check for DMA errata
// Update ISO packet actual length and status
transfer->isoc_packet_desc[pkt_idx].actual_num_bytes = transfer->isoc_packet_desc[pkt_idx].num_bytes - rem_len;
total_actual_num_bytes += transfer->isoc_packet_desc[pkt_idx].actual_num_bytes;
transfer->isoc_packet_desc[pkt_idx].status = (desc_status == USB_DWC_HAL_XFER_DESC_STS_NOT_EXECUTED) ? USB_TRANSFER_STATUS_SKIPPED : USB_TRANSFER_STATUS_COMPLETED;
// A descriptor is also allocated for unscheduled frames. We need to skip over them
desc_idx += buffer->flags.isoc.interval;
if (desc_idx >= XFER_LIST_LEN_INTR) {