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Allow GPIO0; check for conflict with user button

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This commit is contained in:
Todd Herbert 2025-01-13 22:49:50 +13:00
parent 89a9e0b99d
commit f15897e173
1 changed files with 15 additions and 2 deletions
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17
src/input/ScanAndSelect.cpp
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@ -30,7 +30,9 @@ bool ScanAndSelectInput::init()
if (strcasecmp(moduleConfig.canned_message.allow_input_source, name) != 0)
return false;
// Use any available inputbroker pin as the button
// Determine which pin to use for the single scan-and-select button
// User can specify this by setting any of the inputbroker pins
// If all values are zero, we'll assume the user *does* want GPIO0
if (moduleConfig.canned_message.inputbroker_pin_press)
pin = moduleConfig.canned_message.inputbroker_pin_press;
else if (moduleConfig.canned_message.inputbroker_pin_a)
@ -38,7 +40,18 @@ bool ScanAndSelectInput::init()
else if (moduleConfig.canned_message.inputbroker_pin_b)
pin = moduleConfig.canned_message.inputbroker_pin_b;
else
return false; // Short circuit: no button found
pin = 0; // GPIO 0 then
// Short circuit: if selected pin conficts with the user button
#ifdef USERPREFS_BUTTON_PIN
int pinUserButton = config.device.button_gpio ? config.device.button_gpio : USERPREFS_BUTTON_PIN; // Resolved button pin
#else
int pinUserButton = config.device.button_gpio ? config.device.button_gpio : BUTTON_PIN; // Resolved button pin
#endif
if (pin == pinUserButton) {
LOG_ERROR("ScanAndSelect conflict with user button");
return false;
}
// Set-up the button
pinMode(pin, INPUT_PULLUP);