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If sketch is not connected to serial - dump serial output #123

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If sketch is not connected to serial - dump serial output #123

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2 changes: 2 additions & 0 deletions cores/arduino/SerialUSB.h
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@ class SerialUSB_ : public ZephyrSerial {
void begin(unsigned long baudrate) { begin(baudrate, SERIAL_8N1); }

operator bool() override;
size_t write(const uint8_t *buffer, size_t size) override;
void flush() override;

protected:
uint32_t dtr = 0;
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11 changes: 11 additions & 0 deletions cores/arduino/USB.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -124,5 +124,16 @@ arduino::SerialUSB_::operator bool() {
return dtr;
}


size_t arduino::SerialUSB_::write(const uint8_t *buffer, size_t size) {
if (!Serial) return 0;
return arduino::ZephyrSerial::write(buffer, size);
}

void arduino::SerialUSB_::flush() {
if (!Serial) return;
arduino::ZephyrSerial::flush();
}

arduino::SerialUSB_ Serial(usb_dev);
#endif
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