Add encoder lib; Custom task, init - functional

currently handles encoder connected to pins configured in encoder.hpp
and receives and logs all available events in encoder task
Works as expected

TODO: migrate with previous implementation of commands in button.cpp

board_control/main/CMakeLists.txt

@@ -8,6 +8,7 @@ idf_component_register(
         "http.cpp"
         "auto.cpp"
 		"uart.cpp"
+		"encoder.cpp"
     INCLUDE_DIRS 
         "."
     )

board_control/main/encoder.cpp

@@ -0,0 +1,81 @@
+	#include "encoder.h"
+extern "C"
+{
+#include <stdio.h>
+#include <esp_system.h>
+#include <esp_event.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "driver/gpio.h"
+#include "esp_log.h"
+}
+
+#include "encoder.hpp"
+
+//-------------------------
+//------- variables -------
+//-------------------------
+static const char * TAG = "encoder";
+uint16_t encoderCount;
+rotary_encoder_btn_state_t encoderButtonState = {};
+QueueHandle_t encoderQueue = NULL;
+
+//encoder config
+rotary_encoder_t encoderConfig = {
+	.pin_a = PIN_A,
+	.pin_b = PIN_B,
+	.pin_btn = PIN_BUTTON,
+	.code = 1,
+	.store = encoderCount,
+	.index = 0,
+	.btn_pressed_time_us = 20000,
+	.btn_state = encoderButtonState
+};
+
+
+
+//==================================
+//========== encoder_init ==========
+//==================================
+//initialize encoder
+void encoder_init(){
+	encoderQueue = xQueueCreate(QUEUE_SIZE, sizeof(rotary_encoder_event_t));
+	rotary_encoder_init(encoderQueue);
+	rotary_encoder_add(&encoderConfig);
+}
+
+
+
+//==================================
+//========== task_encoder ==========
+//==================================
+//receive and handle encoder events
+void task_encoder(void *arg) {
+	rotary_encoder_event_t ev; //store event data
+	while (1) {
+		if (xQueueReceive(encoderQueue, &ev, portMAX_DELAY)) {
+			//log enocder events
+			switch (ev.type){
+				case RE_ET_CHANGED:
+					ESP_LOGI(TAG, "Event type: RE_ET_CHANGED, diff: %d", ev.diff);
+					break;
+				case RE_ET_BTN_PRESSED:
+					ESP_LOGI(TAG, "Button pressed");
+					break;
+				case RE_ET_BTN_RELEASED:
+					ESP_LOGI(TAG, "Button released");
+					break;
+				case RE_ET_BTN_CLICKED:
+					ESP_LOGI(TAG, "Button clicked");
+					break;
+				case RE_ET_BTN_LONG_PRESSED:
+					ESP_LOGI(TAG, "Button long-pressed");
+					break;
+				default:
+					ESP_LOGW(TAG, "Unknown event type");
+					break;
+			}
+		}
+	}
+}
+

board_control/main/encoder.hpp

@@ -0,0 +1,18 @@
+extern "C" {
+#include "freertos/FreeRTOS.h"  // FreeRTOS related headers
+#include "freertos/task.h"
+#include "encoder.h"
+}
+
+//config
+#define QUEUE_SIZE 10
+#define PIN_A GPIO_NUM_25
+#define PIN_B GPIO_NUM_26
+#define PIN_BUTTON GPIO_NUM_27
+
+
+//init encoder with config in encoder.cpp
+void encoder_init();
+
+//task that handles encoder events
+void task_encoder(void *arg);

board_control/main/main.cpp

@@ -18,6 +18,7 @@ extern "C"
 
 
 #include "uart.hpp"
+#include "encoder.hpp"
 
 
 //=========================
@@ -28,6 +29,13 @@ extern "C"
 //#define UART_TEST_ONLY
 
 
+//=========================
+//====== encoder TEST =====
+//=========================
+//only start encoder task
+#define ENCODER_TEST_ONLY
+
+
 //tag for logging
 static const char * TAG = "main";
 
@@ -157,7 +165,7 @@ void setLoglevels(void){
 //=========== app_main ============
 //=================================
 extern "C" void app_main(void) {
-#ifndef UART_TEST_ONLY
+#if !defined(ENCODER_TEST_ONLY) && !defined(UART_TEST_ONLY)
 	//enable 5V volate regulator
 	gpio_pad_select_gpio(GPIO_NUM_17);                                                  
 	gpio_set_direction(GPIO_NUM_17, GPIO_MODE_OUTPUT);
@@ -214,24 +222,35 @@ extern "C" void app_main(void) {
 	//    vTaskDelay(2000 / portTICK_PERIOD_MS);
 	//    ESP_LOGI(TAG, "initializing http server");
 	//    http_init_server();
-
-
 #endif
 
+
 	//-------------------------------------------
 	//--- create tasks for uart communication ---
 	//-------------------------------------------
-
+#ifndef ENCODER_TEST_ONLY
 	uart_init();
 	xTaskCreate(task_uartReceive, "task_uartReceive", 4096, NULL, 10, NULL);
 	xTaskCreate(task_uartSend, "task_uartSend", 4096, NULL, 10, NULL);
+#endif
+
+
+	//--------------------------------------------
+	//----- create task that handles encoder -----
+	//--------------------------------------------
+#ifndef UART_TEST_ONLY
+	encoder_init();
+	xTaskCreate(task_encoder, "task_encoder", 4096, NULL, 10, NULL);
+#endif
+
+
 
 	//--- main loop ---
 	//does nothing except for testing things
 	
 	//--- testing force http mode after startup ---
 		vTaskDelay(5000 / portTICK_PERIOD_MS);
-	control.changeMode(controlMode_t::HTTP);
+	//control.changeMode(controlMode_t::HTTP);
 	while(1){
 		vTaskDelay(1000 / portTICK_PERIOD_MS);
 		//---------------------------------