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Workaround for spurious port opening after upload (Arduino Due)

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This commit is contained in:
Cristian Maglie
2012-09-25 19:50:35 +02:00
parent 69fb711b49
commit e7141291a5
1 changed files with 4 additions and 0 deletions
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4
hardware/arduino/sam/cores/arduino/USB/CDC.cpp
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@ -252,6 +252,10 @@ size_t Serial_::write(uint8_t c) {
// where the port is configured (lineState != 0) but not quite opened.
Serial_::operator bool()
{
// this is here to avoid spurious opening after upload
if (millis() < 500)
return false;
bool result = false;
if (_usbLineInfo.lineState > 0)