first commit

2025-03-06 11:15:32 +01:00
commit 7b30d6e298
5276 changed files with 2108927 additions and 0 deletions
--- a/ESP32_WAVESHARE_7x5/common_functions.cpp
+++ b/ESP32_WAVESHARE_7x5/common_functions.cpp
@@ -0,0 +1,82 @@
+#include "common_functions.h"
+float mm_to_inches(float value_mm)
+{
+  return 0.0393701 * value_mm;
+}
+
+float hPa_to_inHg(float value_hPa)
+{
+  return 0.02953 * value_hPa;
+}
+
+int JulianDate(int d, int m, int y) {
+  int mm, yy, k1, k2, k3, j;
+  yy = y - (int)((12 - m) / 10);
+  mm = m + 9;
+  if (mm >= 12) mm = mm - 12;
+  k1 = (int)(365.25 * (yy + 4712));
+  k2 = (int)(30.6001 * mm + 0.5);
+  k3 = (int)((int)((yy / 100) + 49) * 0.75) - 38;
+  // 'j' for dates in Julian calendar:
+  j = k1 + k2 + d + 59 + 1;
+  if (j > 2299160) j = j - k3; // 'j' is the Julian date at 12h UT (Universal Time) For Gregorian calendar:
+  return j;
+}
+
+float SumOfPrecip(float DataArray[], int readings) {
+  float sum = 0;
+  for (int i = 0; i < readings; i++) {
+    sum += DataArray[i];
+  }
+  return sum;
+} 
+
+String TitleCase(String text){
+  if (text.length() > 0) {
+    String temp_text = text.substring(0,1);
+    temp_text.toUpperCase();
+    return temp_text + text.substring(1); // Title-case the string
+  }
+  else return text;
+}
+
+void copy(float* src, float* dst, int len) {
+    // memcpy(dst, src, sizeof(src[0])*len);
+    for (int i = 0; i < len; i++) {
+      dst[i] = src[i];
+    }
+}
+
+void convertJsonToArray(float v[], String json, String sub_level, String data_name) 
+{
+  if (debug) Serial.println("B - convertJsonToArray");
+
+  DynamicJsonDocument doc(32000);
+  DeserializationError error = deserializeJson(doc, json);
+  if (error) {
+    if (debug) Serial.print(F("deserializeJson() failed: "));
+    if (debug) Serial.println(error.c_str());
+    if (debug) Serial.println("E - convertJsonToArray");
+    return;
+  }
+  JsonObject root = doc.as<JsonObject>();
+
+  //JsonArray list = doc.as<JsonArray>();
+  JsonArray list  = root[sub_level];
+
+  if (debug) Serial.print("v=");
+  // Loop through all the elements of the array
+  int i = 0;
+  int max = max_readings;
+  for (byte r = list.size() - max; r < list.size(); r++) {  
+    v[i]= list[r][data_name].as<float>();
+    if (debug) Serial.print(v[i]);
+    if (debug) Serial.print(" ");
+    i ++;
+  }
+  if (debug) Serial.println("");
+  if (debug) Serial.println("E - convertJsonToArray");
+
+}
+
+