diff options
Diffstat (limited to 'cores/arduino/USBCore.cpp')
| -rw-r--r-- | cores/arduino/USBCore.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp index 398bc73..c360d26 100644 --- a/cores/arduino/USBCore.cpp +++ b/cores/arduino/USBCore.cpp @@ -599,6 +599,8 @@ ISR(USB_GEN_vect) { #ifdef CDC_ENABLED USB_Flush(CDC_TX); // Send a tx frame if found + while (USB_Available(CDC_RX)) // Handle received bytes (if any) + Serial.accept(); #endif // check whether the one-shot period has elapsed. if so, turn off the LED @@ -635,6 +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 @@ -657,4 +665,4 @@ void USB_::poll() { } -#endif /* if defined(USBCON) */
\ No newline at end of file +#endif /* if defined(USBCON) */ |