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AP_SerialManager: disable unused RX/TX pins on uarts

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This commit is contained in:
Andrew Tridgell 2021-11-05 15:34:12 +11:00
parent 61ffe188d4
commit f91c948fd0
1 changed files with 3 additions and 0 deletions
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3
libraries/AP_SerialManager/AP_SerialManager.cpp
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@ -417,6 +417,9 @@ void AP_SerialManager::init()
set_options(i); set_options(i);
switch (state[i].protocol) { switch (state[i].protocol) {
case SerialProtocol_None: case SerialProtocol_None:
// disable RX and TX pins in case they are shared
// with another peripheral (eg. RCIN pin)
uart->disable_rxtx();
break; break;
case SerialProtocol_Console: case SerialProtocol_Console:
case SerialProtocol_MAVLink: case SerialProtocol_MAVLink: