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add support for STM32 native HalfDuplex mode #135

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add support for STM32 native HalfDuplex mode #135

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15 changes: 15 additions & 0 deletions src/utility/port_handler.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,11 @@ void SerialPortHandler::begin(unsigned long baud)
digitalWrite(dir_pin_, LOW);
while(digitalRead(dir_pin_) != LOW);
}
#ifdef ARDUINO_ARCH_STM32
else{
port_.enableHalfDuplexRx();
}
#endif // ARDUINO_ARCH_STM32

setOpenState(true);
}
Expand Down Expand Up @@ -98,6 +103,11 @@ size_t SerialPortHandler::write(uint8_t c)
digitalWrite(dir_pin_, LOW);
while(digitalRead(dir_pin_) != LOW);
}
#ifdef ARDUINO_ARCH_STM32
else{
port_.enableHalfDuplexRx();
}
#endif // ARDUINO_ARCH_STM32

return ret;
}
Expand All @@ -120,6 +130,11 @@ size_t SerialPortHandler::write(uint8_t *buf, size_t len)
digitalWrite(dir_pin_, LOW);
while(digitalRead(dir_pin_) != LOW);
}
#ifdef ARDUINO_ARCH_STM32
else{
port_.enableHalfDuplexRx();
}
#endif // ARDUINO_ARCH_STM32

return ret;
}
Expand Down