Diff: main.cpp

Revision:

0:7dfbdbd8aa83

Child:

1:dacca338a30b

diff -r 000000000000 -r 7dfbdbd8aa83 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu May 18 08:03:59 2017 +0000
@@ -0,0 +1,78 @@
+#include "mbed.h"
+#include "ds1307.h"
+#include "TM1636.h"
+
+DigitalOut myled(D2);
+DigitalIn  button_K1(D9);
+
+Serial pc(USBTX, USBRX);                        // tx, rx  for debug and usb pc comunications
+
+DS1307 my1307(I2C_SDA, I2C_SCL);                // DS1307 Objekt für Zugriff auf RTC auf Shield (Pins I2C)
+                                                // Verbindung zwischen Shield und Nucleo A4-D14 und A5-D15 zwingend nötig
+                                                
+TM1636 tm1636(D7,D8);                           // Display driver for 7-Segment-Display
+ 
+int sec = 0;
+int min = 0;
+int hours = 0;
+int day = 0;
+int date = 0;
+int month = 0;
+int year = 0;
+
+int8_t temp[4];
+
+void test_rw(int test) {
+    if (test == 0) {
+        // pc.printf("Last R/W operaion passed!\n\r");
+    }
+    else {
+        pc.printf("Last R/W operation failed!\n\r");
+    }
+}
+
+
+int main() {
+     
+    button_K1.mode(PullUp);
+    tm1636.init();
+    int junk = 0;
+
+    while(1){
+         
+        if (!button_K1)
+        {
+            test_rw(my1307.settime( 00, 00, 12, 3, 17, 5, 17));
+            pc.printf("time is set to 12:00:00 - 17.05.2017\n\r");
+            
+            junk = 0x39;                                                // just a junk value do read and write test to DS1307 ram
+            test_rw(my1307.write( 0x20, junk));                         // this should write the value of junk to register 0x20 (a ram location) in the ds1307.
+            pc.printf("Value written to register 0x20 %.2X \n\r",junk);
+        }
+        else
+        {
+            test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
+            pc.printf("time is %.2D.%.2D.%.2D - %.2D-%.2D-20%.2D \r", hours, min, sec, date, month, year);
+            
+            temp[0] = hours / 10;
+            temp[1] = hours % 10;
+            temp[2] = min / 10;
+            temp[3] = min % 10;             
+            tm1636.display(temp);       
+    
+            //junk = 0;                                                   // clear junk to show that when the register is read from the correct value is obtained
+            //test_rw(my1307.read( 0x20, &junk));                         // this should read register 0x20
+            //pc.printf("Value read from register 0x20 %.2X \n\r",junk);
+        }
+//       if ((sec % 2 == 1))
+//        {
+//            tm1636.point(true);
+//        }
+//        else
+//        {
+//            tm1636.point(false);
+//        }
+        wait(1.0);
+        myled = ! myled;
+    }
+}
\ No newline at end of file