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| author | Martino Facchin <m.facchin@arduino.cc> | 2016-07-21 10:42:40 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-07-21 10:42:40 +0200 |
| commit | a03982445a085821bbf8893c0b7f626e440433ad (patch) | |
| tree | e80854c2bee05a19883862017182688b5194c384 /cores/arduino/USBCore.cpp | |
| parent | 0f86786b477edeec8df8109e51f80b6d91ae246d (diff) | |
| parent | 7874386ce23a7b7383f587e6bf6ae665756024ba (diff) | |
Merge pull request #5135 from facchinm/usbsuspend_resume
Send an USB remote wakeup if data need to be written
Diffstat (limited to 'cores/arduino/USBCore.cpp')
| -rw-r--r-- | cores/arduino/USBCore.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp index 6c8ae63..ddc4812 100644 --- a/cores/arduino/USBCore.cpp +++ b/cores/arduino/USBCore.cpp @@ -1,6 +1,7 @@ -/* Copyright (c) 2010, Peter Barrett +/* Copyright (c) 2010, Peter Barrett +** Sleep/Wakeup support added by Michael Dreher ** ** Permission to use, copy, modify, and/or distribute this software for ** any purpose with or without fee is hereby granted, provided that the @@ -266,6 +267,11 @@ int USB_Send(u8 ep, const void* d, int len) if (!_usbConfiguration) return -1; + if (_usbSuspendState & (1<<SUSPI)) { + //send a remote wakeup + UDCON |= (1 << RMWKUP); + } + int r = len; const u8* data = (const u8*)d; u8 timeout = 250; // 250ms timeout on send? TODO |