wirt_sd ergänzt

Teensy4.1_Datalogger new.ino

@@ -127,6 +127,10 @@ public:
         minutes_saved++;
     }
 
+    void print() {
+
+    }
+
     
 private: 
     int count_per_second = 0;
@@ -149,6 +153,39 @@ private:
 
 // Define Functions below here or use other .ino or cpp files
 //
+
+void dateTime(uint16_t* date, uint16_t* time, uint8_t* ms10) {
+
+    // Return date using FS_DATE macro to format fields.
+    *date = FS_DATE(year(), month(), day());
+
+    // Return time using FS_TIME macro to format fields.
+    *time = FS_TIME(hour(), minute(), second());
+
+    // Return low time bits in units of 10 ms.
+    *ms10 = second() & 1 ? 100 : 0;
+}
+
+void write_sd() {
+    char file_name[50];
+
+    FsDateTime::setCallback(dateTime);
+    
+    sprintf(file_name, "Windmessmast-%d.%d.%d_%d:%d.txt", year(), month(), day(), hour(), minute());
+    sd.begin(SD_CONFIG);
+    if (file.open(file_name, FILE_WRITE)) {
+        Serial.println("Start SD schreiben");
+
+        file.println("Messdaten von Windmessmasst"); 
+        file.println();
+        file.println("Data logger : Teensy 4.2");
+        file.println(software_name);
+        file.println();
+        file.println("");
+        
+    }
+    
+}
 void every_second() {
 
     anemometer_1.save_wind_speed();