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GPIO descriptor fixes (#578)

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This commit is contained in:
Ken Van Hoeylandt
2026-07-22 22:43:34 +02:00
committed by GitHub
parent a3fda9ad8f
commit 8b92aa8e5a
116 changed files with 376 additions and 541 deletions
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Devices/unphone/source/drivers/unphone_nav_buttons.cpp
+6 -8
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@@ -90,21 +90,19 @@ static int32_t nav_buttons_thread_main(UnphoneNavButtonsInternal* internal) {
// region Pin acquisition
static error_t acquire_button(const GpioPinSpec& pin, void (*callback)(void*), void* arg, GpioDescriptor** out_descriptor) {
auto* descriptor = gpio_descriptor_acquire(pin.gpio_controller, pin.pin, GPIO_OWNER_GPIO);
if (descriptor == nullptr) {
return ERROR_RESOURCE;
}
// Digital pull-up; the buttons pull the pin low while pressed. Listen for the release
// (positive edge) rather than the press - if we listen to the press, these buttons can
// generate more than one signal when held down (mirrors the original unPhone init).
gpio_flags_t flags = GPIO_FLAG_DIRECTION_INPUT | GPIO_FLAG_PULL_UP;
flags = GPIO_FLAG_INTERRUPT_TO_OPTIONS(flags, GPIO_INTERRUPT_POS_EDGE);
error_t error = gpio_descriptor_set_flags(descriptor, flags);
if (error == ERROR_NONE) {
error = gpio_descriptor_add_callback(descriptor, callback, arg);
auto* descriptor = gpio_descriptor_acquire(pin.gpio_controller, pin.pin, flags, GPIO_OWNER_GPIO);
if (descriptor == nullptr) {
return ERROR_RESOURCE;
}
auto error = gpio_descriptor_add_callback(descriptor, callback, arg);
if (error == ERROR_NONE) {
error = gpio_descriptor_enable_interrupt(descriptor);
}