Skip to content

Detach pins in HardwareSerial::setPins() #8619

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 7 commits into from
Closed

Detach pins in HardwareSerial::setPins() #8619

Changes from all commits
Commits
Show all changes
7 commits
Select commit Hold shift + click to select a range
8ed97b3
detach pins in HardwareSerial::setPins()
SuGlider Sep 8, 2023
1c13496
make uartDetachPins() simpler
SuGlider Sep 8, 2023
06085a2
make uartDetachPins() simpler
SuGlider Sep 8, 2023
370a637
make uartDetachPins() simpler
SuGlider Sep 8, 2023
6f3a5d8
reverts yartDetachPins change
SuGlider Sep 8, 2023
45a31b1
reverts uartDetachPins() return
SuGlider Sep 8, 2023
24967ac
reverts uartDetachPins() wrong call
SuGlider Sep 8, 2023
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
14 changes: 10 additions & 4 deletions cores/esp32/HardwareSerial.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -554,10 +554,16 @@ void HardwareSerial::setPins(int8_t rxPin, int8_t txPin, int8_t ctsPin, int8_t r

// uartSetPins() checks if pins are valid for each function and for the SoC
if (uartSetPins(_uart, rxPin, txPin, ctsPin, rtsPin)) {
_txPin = _txPin >= 0 ? txPin : _txPin;
_rxPin = _rxPin >= 0 ? rxPin : _rxPin;
_rtsPin = _rtsPin >= 0 ? rtsPin : _rtsPin;
_ctsPin = _ctsPin >= 0 ? ctsPin : _ctsPin;
// detach previous attached UART pins if not set as same as before
if (_rxPin >= 0 && _rxPin != rxPin) uartDetachPins(_uart, _rxPin, -1, -1, -1);
if (_txPin >= 0 && _txPin != txPin) uartDetachPins(_uart, -1, _txPin, -1, -1);
if (_ctsPin >= 0 && _ctsPin != ctsPin) uartDetachPins(_uart, -1, -1, _ctsPin, -1);
if (_rtsPin >= 0 && _rtsPin != rtsPin) uartDetachPins(_uart, -1, -1, -1, _rtsPin);
// set new pins for a future end() or a setPins()
_txPin = txPin >= 0 ? txPin : _txPin;
_rxPin = rxPin >= 0 ? rxPin : _rxPin;
_rtsPin = rtsPin >= 0 ? rtsPin : _rtsPin;
_ctsPin = ctsPin >= 0 ? ctsPin : _ctsPin;
} else {
log_e("Error when setting Serial port Pins. Invalid Pin.\n");
}
Expand Down