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update limit each transfer not less than 64

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This commit is contained in:
hathach 2021-05-28 17:42:13 +07:00
parent e9c22e4a5c
commit 164778a716
2 changed files with 8 additions and 2 deletions
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2
src/portable/raspberrypi/rp2040/hcd_rp2040.c
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@ -452,6 +452,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
if (ep_addr != ep->ep_addr)
{
// Direction has flipped so re init it but with same properties
// TODO treat IN and OUT as invidual endpoints
_hw_endpoint_init(ep, dev_addr, ep_addr, ep->wMaxPacketSize, ep->transfer_type, 0);
}
@ -531,6 +532,7 @@ bool hcd_edpt_busy(uint8_t dev_addr, uint8_t ep_addr)
bool hcd_edpt_stalled(uint8_t dev_addr, uint8_t ep_addr)
{
panic("hcd_pipe_stalled");
return false;
}
bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr)

8
src/portable/raspberrypi/rp2040/rp2040_usb.c
View File

@ -161,7 +161,10 @@ void _hw_endpoint_xfer_start(struct hw_endpoint *ep, uint8_t *buffer, uint16_t t
// Fill in info now that we're kicking off the hw
ep->total_len = total_len;
ep->len = 0;
ep->transfer_size = tu_min16(total_len, ep->wMaxPacketSize);
// Limit by packet size but not less 64 (i.e low speed 8 bytes EP0)
ep->transfer_size = tu_min16(total_len, tu_max16(64, ep->wMaxPacketSize));
ep->active = true;
ep->user_buf = buffer;
#if TUSB_OPT_HOST_ENABLED
@ -240,8 +243,9 @@ bool _hw_endpoint_xfer_continue(struct hw_endpoint *ep)
_hw_endpoint_xfer_sync(ep);
// Now we have synced our state with the hardware. Is there more data to transfer?
// Limit by packet size but not less 64 (i.e low speed 8 bytes EP0)
uint16_t remaining_bytes = ep->total_len - ep->len;
ep->transfer_size = tu_min16(remaining_bytes, ep->wMaxPacketSize);
ep->transfer_size = tu_min16(remaining_bytes, tu_max16(64, ep->wMaxPacketSize));
#if TUSB_OPT_HOST_ENABLED
_hw_endpoint_update_last_buf(ep);
#endif