Shadowtrance
dbf850c434
- M5 Unit Modules library + M5 Unit Test app - Minor fixes for TodoList, TwoEleven, Snake, Brainfuck and Breakout - Fixed SerialConsole to use the uart controller as it was broken in one of the many updates - Fixed keyboard input in TwoEleven, Breakout, Magic8Ball and Snake - Bluetooth Media Keys app, supports pressing physical keys to trigger the corresponding buttonmatrix button - Epub Reader app
71 lines
2.1 KiB
C++
71 lines
2.1 KiB
C++
#include <UnitDualButton.h>
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#include <esp_log.h>
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static constexpr auto* TAG = "UnitDualButton";
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UnitDualButton::~UnitDualButton() {
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end();
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}
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bool UnitDualButton::begin(Device* controller, gpio_pin_t pinA, gpio_pin_t pinB) {
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if (!controller) return false;
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descA_ = gpio_descriptor_acquire(controller, pinA, GPIO_OWNER_GPIO);
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if (!descA_) {
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ESP_LOGW(TAG, "Failed to acquire pin %d", (int)pinA);
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return false;
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}
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descB_ = gpio_descriptor_acquire(controller, pinB, GPIO_OWNER_GPIO);
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if (!descB_) {
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ESP_LOGW(TAG, "Failed to acquire pin %d", (int)pinB);
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gpio_descriptor_release(descA_);
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descA_ = nullptr;
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return false;
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}
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gpio_flags_t flags = GPIO_FLAG_DIRECTION_INPUT | GPIO_FLAG_PULL_UP;
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if (gpio_descriptor_set_flags(descA_, flags) != ERROR_NONE) {
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ESP_LOGW(TAG, "Failed to configure pin %d flags", (int)pinA);
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gpio_descriptor_release(descA_); gpio_descriptor_release(descB_);
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descA_ = descB_ = nullptr;
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return false;
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}
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if (gpio_descriptor_set_flags(descB_, flags) != ERROR_NONE) {
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ESP_LOGW(TAG, "Failed to configure pin %d flags", (int)pinB);
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gpio_descriptor_release(descA_); gpio_descriptor_release(descB_);
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descA_ = descB_ = nullptr;
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return false;
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}
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ready_ = true;
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ESP_LOGI(TAG, "DualButton ready on pins %d/%d", (int)pinA, (int)pinB);
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return true;
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}
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void UnitDualButton::end() {
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if (descA_) { gpio_descriptor_release(descA_); descA_ = nullptr; }
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if (descB_) { gpio_descriptor_release(descB_); descB_ = nullptr; }
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ready_ = false;
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}
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bool UnitDualButton::readPin(GpioDescriptor* desc) {
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bool high = true;
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if (gpio_descriptor_get_level(desc, &high) != ERROR_NONE) {
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// Read failed - treat as not pressed (safe fallback)
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ESP_LOGW(TAG, "gpio_descriptor_get_level failed");
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return false;
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}
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return !high; // active-low: low = pressed
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}
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bool UnitDualButton::isButtonAPressed() const {
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if (!descA_) return false;
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return readPin(descA_);
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}
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bool UnitDualButton::isButtonBPressed() const {
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if (!descB_) return false;
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return readPin(descB_);
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}
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