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fix CUTOM board serial terminal issue

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This commit is contained in:
MichaelDvP
2026-10-08 10:33:14 +02:00
parent a61a0cc64c
commit 987710ac27
1 changed files with 6 additions and 1 deletions
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src/core/system.cpp
+6 -1
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@@ -3767,9 +3767,14 @@ void System::remove_optional_gpio(uint8_t pin) {
// set unused gpios to default state input high-Z
void System::reset_unused_gpios() {
#if CONFIG_IDF_TARGET_ESP32
constexpr uint8_t tx0 = 1; // don't change tx0 pin
#else
constexpr uint8_t tx0 = 255; // no valid pin, chips have native USB, tx0 not connected to transceiver
#endif
for (const auto & pin : valid_system_gpios_) {
auto it = std::find_if(used_gpios_.begin(), used_gpios_.end(), [pin](const GpioUsage & usage) { return usage.pin == pin; });
if (it == used_gpios_.end()) {
if (it == used_gpios_.end() && pin != tx0) {
LOG_DEBUG("reset pin %d", pin);
pinMode(pin, INPUT);
}