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Applied last SoftSerial fix

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This commit is contained in:
Nico 2015-02-17 20:26:14 +01:00
parent 17045e3a92
commit f2695b14ef
1 changed files with 5 additions and 1 deletions
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6
avr/libraries/SoftwareSerial/SoftwareSerial.cpp
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@ -266,8 +266,12 @@ SoftwareSerial::~SoftwareSerial()
void SoftwareSerial::setTX(uint8_t tx)
{
// First write, then set output. If we do this the other way around,
// the pin would be output low for a short while before switching to
// output hihg. Now, it is input with pullup for a short while, which
// is fine. With inverse logic, either order is fine.
digitalWrite(tx, _inverse_logic ? LOW : HIGH);
pinMode(tx, OUTPUT);
digitalWrite(tx, HIGH);
_transmitBitMask = digitalPinToBitMask(tx);
uint8_t port = digitalPinToPort(tx);
_transmitPortRegister = portOutputRegister(port);