modified: main/include/http_client.h

new file:   main/include/lib.h
	modified:   main/src/http_client.c
	modified:   main/src/main.c

firmware/main/include/http_client.h

@@ -17,7 +17,7 @@ bool hc_check_updates();
 struct hc_reg_res hc_reg_dev();
 struct hc_dev_config hc_get_dev_conf();
 
-void hc_send_sensor_data(int humidity, int temperature);
+void hc_send_sensor_data(float humidity, float temperature);
 
 #ifdef __cplusplus
 }

firmware/main/include/lib.h

@@ -0,0 +1,70 @@
+#ifndef LIB_H
+#define LIB_H
+
+
+
+// Helper function to reverse a string
+void reverse(char* str, int len) {
+    int i = 0, j = len - 1;
+    while (i < j) {
+        char temp = str[i];
+        str[i] = str[j];
+        str[j] = temp;
+        i++;
+        j--;
+    }
+}
+
+// Helper function to convert an integer to a string
+int intToStr(int x, char str[], int d) {
+    int i = 0;
+    while (x) {
+        str[i++] = (x % 10) + '0';
+        x = x / 10;
+    }
+
+    // If the number of digits required is more, then add 0s at the beginning
+    while (i < d)
+        str[i++] = '0';
+
+    reverse(str, i);
+    str[i] = '\0';
+    return i;
+}
+
+char* floatToString(float num) {
+    // Allocate memory for the string
+    char* str = (char*)malloc(50 * sizeof(char));
+    if (str == NULL) {
+        // If memory allocation fails, return NULL
+        return NULL;
+    }
+
+    // Handle integer part
+    int intPart = (int)num;
+    int i = intToStr(intPart, str, 0);
+
+    // Handle fractional part
+    float fractionalPart = num - (float)intPart;
+    if (fractionalPart < 0) {
+        fractionalPart = -fractionalPart;
+    }
+
+    if (fractionalPart != 0) {
+        str[i++] = '.'; // Add decimal point
+
+        // Consider precision up to 6 digits after the decimal point
+        for (int j = 0; j < 6; j++) {
+            fractionalPart = fractionalPart * 10;
+            int fracIntPart = (int)fractionalPart;
+            str[i++] = fracIntPart + '0';
+            fractionalPart = fractionalPart - fracIntPart;
+        }
+    }
+
+    str[i] = '\0'; // Null-terminate the string
+
+    return str;
+}
+
+#endif