new file: main/include/functions.h

modified:   main/include/sht31.h
renamed:    main/include/lib.h -> main/src/functions.c
modified:   main/src/http_client.c
modified:   main/src/main.c
modified:   main/src/sht31.c

firmware/main/include/functions.h

@@ -0,0 +1,10 @@
+#ifndef FUNCTIONS_H
+#define FUNCTIONS_H
+
+void split_float(float num, int *int_part, float *dec_part);
+
+char* floatToString(float num);
+
+char* intToString(int num);
+
+#endif

firmware/main/include/sht31.h

@@ -10,13 +10,8 @@ extern "C" {
 // Function to initialize the sensor
 esp_err_t sht31_init(void);
 
-// Function to get the current humidity level
-// Returns the humidity as a percentage (0-100)
-float sht31_get_humidity(void);
-
-// Function to get the current temperature
-// Returns the temperature in degrees Celsius
-float sht31_get_temperature(void);
+// Test sensor and print output to serial
+void sht31_sensor_test_task(void *pvParameters);
 
 esp_err_t sht31_read_temp_hum(float *temperature, float *humidity);
 

firmware/main/src/functions.c

@@ -1,10 +1,18 @@
-#ifndef LIB_H
-#define LIB_H
+#include "functions.h"
+#include "freertos/FreeRTOS.h"
 
+static const char * TAG = "functions.c";
 
+void split_float(float num, int *int_part, float *dec_part) {
+    // Extract the integer part
+    *int_part = (float)((int)num);
+    
+    // Calculate the fractional part by subtracting the integer part from the original number
+    *dec_part = num - *int_part;
+}
 
 // Helper function to reverse a string
-void reverse(char* str, int len) {
+static void reverse(char* str, int len) {
     int i = 0, j = len - 1;
     while (i < j) {
         char temp = str[i];
@@ -16,7 +24,7 @@ void reverse(char* str, int len) {
 }
 
 // Helper function to convert an integer to a string
-int intToStr(int x, char str[], int d) {
+static int intToStr(int x, char str[], int d) {
     int i = 0;
     while (x) {
         str[i++] = (x % 10) + '0';
@@ -108,4 +116,4 @@ char* intToString(int num)
     return str;
 }
 
-#endif
+

firmware/main/src/http_client.c

@@ -11,7 +11,7 @@
 #include <string.h>
 
 #include "http_client.h"
-#include "lib.h"
+#include "functions.h"
 
 #define MAX_HTTP_OUTPUT_BUFFER 2048
 

firmware/main/src/main.c

@@ -17,7 +17,7 @@
 
 
 static const char * TAG = "main.c";
-/*
+
 static void wifi_init(void) {
     tcpip_adapter_init();
     ESP_ERROR_CHECK(esp_event_loop_create_default());
@@ -34,7 +34,7 @@ static void wifi_init(void) {
     ESP_ERROR_CHECK(esp_wifi_start());
     ESP_ERROR_CHECK(esp_wifi_connect());
 }
-*/
+
 
 static void split_float(float num, int *int_part, float *dec_part) {
     // Extract the integer part
@@ -45,27 +45,6 @@ static void split_float(float num, int *int_part, float *dec_part) {
 }
 
 
-void sensor_tester(void)
-{
-    ESP_ERROR_CHECK(sht31_init());
-
-    //float temperature, humidity;
-    float temperature, humidity, temp_dec_part, hum_dec_part;
-    int temp_int_part, hum_int_part;
-
-    while (1) {
-        if (sht31_read_temp_hum(&temperature, &humidity) == ESP_OK) {
-	    split_float(temperature, &temp_int_part, &temp_dec_part);
-	    split_float(humidity, &hum_int_part, &hum_dec_part);
-            //ESP_LOGI(TAG, "Temperature: %.2f°C, Humidity: %.2f%%", temperature, humidity);
-            ESP_LOGI(TAG, "Temperature: %i.%i°C, Humidity: %i.%i%%", temp_int_part, (int)(temp_dec_part*1000), hum_int_part, (int)(hum_dec_part*1000));
-        } else {
-            ESP_LOGE(TAG, "Failed to read from SHT31 sensor");
-        }
-        vTaskDelay(2000 / portTICK_RATE_MS);
-    }
-}
-
 // Task to read data from UART
 void uart_read_task(void *pvParameters) {
      const unsigned bufferSize = 1024;
@@ -126,9 +105,8 @@ void app_main()
     //wifi_init();
     initLEDs();
 
-    sensor_tester();
-
-    //xTaskCreate(&led_blink_task, "led_blink_task", configMINIMAL_STACK_SIZE, NULL, 5, NULL);
-    xTaskCreate(uart_read_task, "uart_read_task", 2048, NULL, 10, NULL);
+    xTaskCreate(&led_blink_task, "led_blink_task", configMINIMAL_STACK_SIZE, NULL, 5, NULL);
+    //xTaskCreate(uart_read_task, "uart_read_task", 2048, NULL, 10, NULL);
+    xTaskCreate(sht31_sensor_test_task, "sht31_sensor_test_task", 2048, NULL, 10, NULL);
     //xTaskCreate(main_task, "main task", 2048, NULL, tskIDLE_PRIORITY, NULL);
 }

firmware/main/src/sht31.c

@@ -4,6 +4,7 @@
 //#include <freertos/FreeRTOS.h>
 #include <freertos/task.h>
 #include <esp_log.h>
+#include "functions.h"
 
 #define SDA_PIN GPIO_NUM_2
 #define CLK_PIN GPIO_NUM_14
@@ -24,6 +25,27 @@ static const i2c_config_t config = {
     .clk_stretch_tick = 5
 };
 
+void sht31_sensor_test_task(void *pvParameters)
+{
+    ESP_ERROR_CHECK(sht31_init());
+
+    //float temperature, humidity;
+    float temperature, humidity, temp_dec_part, hum_dec_part;
+    int temp_int_part, hum_int_part;
+
+    while (1) {
+        if (sht31_read_temp_hum(&temperature, &humidity) == ESP_OK) {
+	    split_float(temperature, &temp_int_part, &temp_dec_part);
+	    split_float(humidity, &hum_int_part, &hum_dec_part);
+            //ESP_LOGI(TAG, "Temperature: %.2f°C, Humidity: %.2f%%", temperature, humidity);
+            ESP_LOGI(TAG, "Temperature: %i.%i°C, Humidity: %i.%i%%", temp_int_part, (int)(temp_dec_part*1000), hum_int_part, (int)(hum_dec_part*1000));
+        } else {
+            ESP_LOGE(TAG, "Failed to read from SHT31 sensor");
+        }
+        vTaskDelay(2000 / portTICK_RATE_MS);
+    }
+}
+
 // Function to initialize the sensor
 esp_err_t sht31_init(void) {
     esp_err_t install_rc = i2c_driver_install(I2C_NUM_0, config.mode);
@@ -36,26 +58,6 @@ esp_err_t sht31_init(void) {
     return ESP_OK;
 }
 
-// Function to get the current humidity level
-// Returns the humidity as a percentage (0-100)
-float sht31_get_humidity(void) {
-    // Read humidity data from the sensor
-    // This is a dummy value for the purpose of this example
-    float humidity = 50.0;  // Replace with actual sensor reading
-    printf("Humidity read: %.2f%%\n", humidity);
-    return humidity;
-}
-
-// Function to get the current temperature
-// Returns the temperature in degrees Celsius
-float sht31_get_temperature(void) {
-    // Read temperature data from the sensor
-    // This is a dummy value for the purpose of this example
-    float temperature = 22.0;  // Replace with actual sensor reading
-    printf("Temperature read: %.2f°C\n", temperature);
-    return temperature;
-}
-
 esp_err_t sht31_read_temp_hum(float *temperature, float *humidity)
 {
     uint8_t data[6];