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Merge pull request #657 from ndinsmore/RP2040_enable_isochronous_buffer_size

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RP2040:Enable full size isochronous buffers
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Ha Thach 2021-02-22 12:47:48 +07:00 committed by GitHub
commit d3195414dc
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1 changed files with 2 additions and 3 deletions
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src/portable/raspberrypi/rp2040/rp2040_usb.c
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@ -153,8 +153,7 @@ 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;
// FIXME: What if low speed
ep->transfer_size = total_len > 64 ? 64 : total_len;
ep->transfer_size = tu_min32(total_len, ep->wMaxPacketSize);
ep->active = true;
ep->user_buf = buffer;
// Recalculate if this is the last buffer
@ -232,7 +231,7 @@ bool _hw_endpoint_xfer_continue(struct hw_endpoint *ep)
// Now we have synced our state with the hardware. Is there more data to transfer?
uint remaining_bytes = ep->total_len - ep->len;
ep->transfer_size = remaining_bytes > 64 ? 64 : remaining_bytes;
ep->transfer_size = tu_min32(remaining_bytes, ep->wMaxPacketSize);
_hw_endpoint_update_last_buf(ep);
// Can happen because of programmer error so check for it