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Merge pull request #1755 from rppicomidi/fix_1721 

Fix RP2040 Issue 1721
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Ha Thach 2022-11-30 18:00:27 +07:00 committed by GitHub
parent ff26714958 9825fbe9ac
commit 2ae6a4d519
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 1 deletions
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4
src/portable/raspberrypi/rp2040/rp2040_usb.c
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@ -155,7 +155,9 @@ static void __tusb_irq_path_func(_hw_endpoint_start_next_buffer)(struct hw_endpo
// For now: skip double buffered for Device mode, OUT endpoint since
// host could send < 64 bytes and cause short packet on buffer0
// NOTE this could happen to Host mode IN endpoint
bool const force_single = !(usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS) && !tu_edpt_dir(ep->ep_addr);
// Also, Host mode interrupt endpoint hardware is only single buffered
bool const force_single = (!(usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS) && !tu_edpt_dir(ep->ep_addr)) ||
((usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS) && tu_edpt_number(ep->ep_addr) != 0);
if(ep->remaining_len && !force_single)
{