esp_components/zh_encoder
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Alexey Zholtikov
2025-06-08 13:11:32 +03:00
parent 27f59c6d92
commit 1b872f8b82
1 changed files with 86 additions and 1 deletions
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# esp_component_template # esp_component_template
esp_component_template esp_component_template
#include "zh_encoder.h"
zh_encoder_handle_t encoder_handle = {0};
void zh_encoder_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data);
// #define ROT_ENC_A_GPIO (CONFIG_ROT_ENC_A_GPIO)
// #define ROT_ENC_B_GPIO (CONFIG_ROT_ENC_B_GPIO)
// #define ENABLE_HALF_STEPS false // Set to true to enable tracking of rotary encoder at half step resolution
// #define RESET_AT 0 // Set to a positive non-zero number to reset the position if this value is exceeded
// #define FLIP_DIRECTION false // Set to true to reverse the clockwise/counterclockwise sense
void app_main(void)
{
esp_log_level_set("zh_encoder", ESP_LOG_NONE); // For ESP8266 first enable "Component config -> Log output -> Enable log set level" via menuconfig.
esp_event_loop_create_default();
#ifdef CONFIG_IDF_TARGET_ESP8266
esp_event_handler_register(ZH_ENCODER, ESP_EVENT_ANY_ID, &zh_encoder_event_handler, NULL);
#else
esp_event_handler_instance_register(ZH_ENCODER, ESP_EVENT_ANY_ID, &zh_encoder_event_handler, NULL, NULL);
#endif
zh_encoder_init_config_t encoder_init_config = ZH_ENCODER_INIT_CONFIG_DEFAULT();
encoder_init_config.a_gpio_number = GPIO_NUM_26;
encoder_init_config.b_gpio_number = GPIO_NUM_27;
encoder_init_config.encoder_min_value = -10; // Just for example.
encoder_init_config.encoder_max_value = 20; // Just for example.
encoder_init_config.encoder_step = 0.1; // Just for example.
encoder_init_config.encoder_number = 1;
zh_encoder_init(&encoder_init_config, &encoder_handle);
zh_encoder_reset(&encoder_handle); // Just for example.
zh_encoder_set(&encoder_handle, 5); // Just for example.
// esp32-rotary-encoder requires that the GPIO ISR service is installed before calling rotary_encoder_register()
// ESP_ERROR_CHECK(gpio_install_isr_service(0));
// // Initialise the rotary encoder device with the GPIOs for A and B signals
// rotary_encoder_info_t info = { 0 };
// ESP_ERROR_CHECK(rotary_encoder_init(&info, ROT_ENC_A_GPIO, ROT_ENC_B_GPIO));
// ESP_ERROR_CHECK(rotary_encoder_enable_half_steps(&info, ENABLE_HALF_STEPS));
// #ifdef FLIP_DIRECTION
// // ESP_ERROR_CHECK(rotary_encoder_flip_direction(&info));
// #endif
// // Create a queue for events from the rotary encoder driver.
// // Tasks can read from this queue to receive up to date position information.
// QueueHandle_t event_queue = rotary_encoder_create_queue();
// ESP_ERROR_CHECK(rotary_encoder_set_queue(&info, event_queue));
// while (1)
// {
// // Wait for incoming events on the event queue.
// rotary_encoder_event_t event = { 0 };
// if (xQueueReceive(event_queue, &event, portMAX_DELAY) == pdTRUE)
// {
// ESP_LOGI(TAG, "Event: position %ld, direction %s", event.state.position,
// event.state.direction ? (event.state.direction == ROTARY_ENCODER_DIRECTION_CLOCKWISE ? "CW" : "CCW") : "NOT_SET");
// }
// // else
// {
// // Poll current position and direction
// rotary_encoder_state_t state = { 0 };
// ESP_ERROR_CHECK(rotary_encoder_get_state(&info, &state));
// ESP_LOGI(TAG, "Poll: position %ld, direction %s", state.position,
// state.direction ? (state.direction == ROTARY_ENCODER_DIRECTION_CLOCKWISE ? "CW" : "CCW") : "NOT_SET");
// // Reset the device
// if (RESET_AT && (state.position >= RESET_AT || state.position <= -RESET_AT))
// {
// ESP_LOGI(TAG, "Reset");
// ESP_ERROR_CHECK(rotary_encoder_reset(&info));
// }
// }
// }
// ESP_LOGE(TAG, "queue receive failed");
// ESP_ERROR_CHECK(rotary_encoder_uninit(&info));
}
void zh_encoder_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
zh_encoder_event_on_isr_t *event = event_data;
printf("Uncoder number %d position %f.\n", event->encoder_number, event->encoder_position);
}