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-rw-r--r--cores/arduino/USBCore.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index 7924078..c360d26 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -637,6 +637,12 @@ void USB_::attach()
PLLCSR = 0x12; // Need 16 MHz xtal
while (!(PLLCSR & (1<<PLOCK))) // wait for lock pll
;
+
+ // Some tests on specific versions of macosx (10.7.3), reported some
+ // strange behaviuors when the board is reset using the serial
+ // port touch at 1200 bps. This delay fixes this behaviour.
+ delay(1);
+
USBCON = ((1<<USBE)|(1<<OTGPADE)); // start USB clock
UDIEN = (1<<EORSTE)|(1<<SOFE); // Enable interrupts for EOR (End of Reset) and SOF (start of frame)
UDCON = 0; // enable attach resistor
@@ -659,4 +665,4 @@ void USB_::poll()
{
}
-#endif /* if defined(USBCON) */ \ No newline at end of file
+#endif /* if defined(USBCON) */