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fast serialUSB read function readBlock #3

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fast serialUSB read function readBlock #3

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90d1eb7
Added fast USB read function readBlock
sined23 Apr 15, 2016
83d94a0
Declare new readBlock function
sined23 Apr 15, 2016
00f6ae0
Added readb and enhanced accept
sined23 Apr 15, 2016
313577e
Declare readb
sined23 Apr 15, 2016
d4aef4c
Enhanced USBD_Recv
sined23 Apr 15, 2016
175b438
deleted c variable
sined23 Apr 15, 2016
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Enhanced USBD_Recv
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@sined23 @facchinm
sined23 authored and facchinm committed Jan 24, 2017
commit d4aef4c3a06e3d0b4c57b1ee4e0e9f9b223362fb
9 changes: 3 additions & 6 deletions cores/arduino/USB/USBCore.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -143,12 +143,9 @@ uint32_t USBD_Recv(uint32_t ep, void* d, uint32_t len)
return -1;

LockEP lock(ep);
uint32_t n = UDD_FifoByteCount(ep & 0xF);
len = min(n,len);
n = len;
uint8_t* dst = (uint8_t*)d;
while (n--)
*dst++ = UDD_Recv8(ep & 0xF);
len = min(UDD_FifoByteCount(ep & 0xF),len);
uint8_t* dst = (uint8_t*)d;
UDD_Recv(ep & 0xF, dst, len);
if (len && !UDD_FifoByteCount(ep & 0xF)) // release empty buffer
UDD_ReleaseRX(ep & 0xF);

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