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52 lines
1.4 KiB
52 lines
1.4 KiB
#include "knob.h"
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static const char* TAG = "Knob";
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Knob::Knob(gpio_num_t pin_a, gpio_num_t pin_b) {
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knob_config_t config = {
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.default_direction = 0,
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.gpio_encoder_a = static_cast<uint8_t>(pin_a),
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.gpio_encoder_b = static_cast<uint8_t>(pin_b),
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};
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esp_err_t err = ESP_OK;
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knob_handle_ = iot_knob_create(&config);
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if (knob_handle_ == NULL) {
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ESP_LOGE(TAG, "Failed to create knob instance");
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return;
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}
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err = iot_knob_register_cb(knob_handle_, KNOB_LEFT, knob_callback, this);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Failed to register left callback: %s", esp_err_to_name(err));
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return;
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}
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err = iot_knob_register_cb(knob_handle_, KNOB_RIGHT, knob_callback, this);
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if (err != ESP_OK) {
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ESP_LOGE(TAG, "Failed to register right callback: %s", esp_err_to_name(err));
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return;
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}
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ESP_LOGI(TAG, "Knob initialized with pins A:%d B:%d", pin_a, pin_b);
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}
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Knob::~Knob() {
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if (knob_handle_ != NULL) {
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iot_knob_delete(knob_handle_);
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knob_handle_ = NULL;
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}
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}
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void Knob::OnRotate(std::function<void(bool)> callback) {
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on_rotate_ = callback;
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}
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void Knob::knob_callback(void* arg, void* data) {
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Knob* knob = static_cast<Knob*>(data);
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knob_event_t event = iot_knob_get_event(arg);
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if (knob->on_rotate_) {
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knob->on_rotate_(event == KNOB_RIGHT);
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}
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} |