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libraries/Ds1302/examples/02/SetDateTime.cpp

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+/** SetDateTime.cpp
+ *
+ * Example of setting the date and time to the RTC.
+ *
+ * @version 1.0.1
+ * @author Rafa Couto <caligari@treboada.net>
+ * @license GNU Affero General Public License v3.0
+ * @see https://github.com/Treboada/Ds1302
+ *
+ */
+
+#include <Arduino.h>
+#include <Ds1302.h>
+
+
+// DS1302 RTC instance
+Ds1302 rtc(PIN_ENA, PIN_CLK, PIN_DAT);
+
+
+uint8_t parseDigits(char* str, uint8_t count)
+{
+    uint8_t val = 0;
+    while(count-- > 0) val = (val * 10) + (*str++ - '0');
+    return val;
+}
+
+
+void setup()
+{
+    // initialize the RTC
+    rtc.init();
+
+    Serial.begin(9600);
+    Serial.println("Input the date and time (YYMMDDWhhmmss): ");
+}
+
+
+void loop()
+{
+    static char buffer[13];
+    static uint8_t char_idx = 0;
+
+    if (char_idx == 13)
+    {
+        // structure to manage date-time
+        Ds1302::DateTime dt;
+
+        dt.year = parseDigits(buffer, 2);
+        dt.month = parseDigits(buffer + 2, 2);
+        dt.day = parseDigits(buffer + 4, 2);
+        dt.dow = parseDigits(buffer + 6, 1);
+        dt.hour = parseDigits(buffer + 7, 2);
+        dt.minute = parseDigits(buffer + 9, 2);
+        dt.second = parseDigits(buffer + 11, 2);
+
+        // set the date and time
+        rtc.setDateTime(&dt);
+
+        char_idx = 0;
+    }
+
+    if (Serial.available())
+    {
+        buffer[char_idx++] = Serial.read();
+    }
+}
+