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Fix openrgb RAW set led drop issue 

should handle nak if the device can't keep up PC writing speed (3~5 64-byte packet sequentially)
This commit is contained in:
Glory 2021-09-18 16:28:10 +08:00 committed by Dimitris Mantzouranis
parent 181e4b3ed7
commit d898dafe19
1 changed files with 9 additions and 3 deletions
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6
os/hal/ports/SN32/LLD/SN32F24xB/USB/hal_usb_lld.c
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@ -557,10 +557,16 @@ void handleNAK(USBDriver *usbp, usbep_t ep) {
if(out) if(out)
{ {
if (nakcnt[ep] < 1) {
// NAK 1 time
USB_EPnNak(ep);
nakcnt[ep]++;
} else {
// By acking next OUT token from host we are allowing reception // By acking next OUT token from host we are allowing reception
// of the data from host // of the data from host
USB_EPnAck(ep, 0); USB_EPnAck(ep, 0);
} }
}
else else
{ {
// This is not a retransmission, retransmission is transparent and happens on phy layer // This is not a retransmission, retransmission is transparent and happens on phy layer