Diff: MSF_Time.h

Revision:

0:340305453f64

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MSF_Time.h	Fri Jan 07 12:12:25 2022 +0000
@@ -0,0 +1,75 @@
+/*This library will decode an MSF signal on a digital input pin and turn it 
+into a timestamp.
+Copyright (C) 2017 Duncan Wood
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+
+
+#include "mbed.h"
+class MSF_Time
+{
+public:
+/* Start MSF_Time with this function
+InputPin is the data coming from your reciever
+ Polarity is 0 if your receiver output is high for no carrier
+ polarity is 1 to invert this logic. */
+ 
+ 
+MSF_Time(PinName InputPin, int polarity,int OffsetTuning =48000);
+
+bool Valid(); // Is the time valid
+time_t Read();
+
+protected:
+struct MSF_Data {
+    int BCDYear;
+    int BCDMonth;
+    int DayOfWeek;
+    int BCDTime;
+    int SyncByte;  //This is sent and allows you to detect leap seconds
+    int DUT;
+    int BST;
+};
+
+struct MSF_Data MyData;    
+struct tm Received_Time; // Normal data coming in
+time_t Received_timestamp;  //Data converted to timestamp
+unsigned int Time_Data_Duration; //Pulse length - The minute marker is 500ms
+bool Time_Data_Sync;  // True when a 500ms pulse is detected denoting the start of a minute
+Ticker Time_Data_Ticker;  // A 50ms clock used to clock in data
+unsigned int Time_Data_Count;//  counts the 50ms for clocking in the data
+void Time_Data_Strobe(); // When the ticker ticks do this
+void Falling();
+void Rising();
+bool DataValid;
+Timeout offset; // used to fine tune the seconds 50ms equals zero offset
+InterruptIn Time_Data;
+DigitalIn MyInput;
+int Polarity;
+int OffsetTuning;
+Timer Time_Data_timer;
+void LogicOne();
+void LogicZero();
+int ParityCheck(unsigned int CheckMe);
+void ProcessData();
+void IncrementSeconds();
+void IncrementSecondsNow();
+//int const OffsetTuning=48000; //in microseconds
+bool debug;  //turn on off debugging noise
+bool DV;
+
+};
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