Diff: main.cpp

Revision:

0:fd9b81168745

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 09 23:14:07 2019 +0000
@@ -0,0 +1,65 @@
+// show how the DS1307 class works
+ #include "ds1307.h"
+ #include "mbed.h"
+ 
+ Serial pc(USBTX, USBRX); // tx, rx  for debug and usb pc comunications
+ 
+ DS1307 my1307(D14, D15); // start DS1307 class and give it pins for connections of the DS1307 device
+ 
+ int sec = 0;
+ int minute = 0;
+ int hours = 0;
+ int day = 0;
+ int date = 0;
+ int month = 0;
+ int year = 0;
+ 
+ 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() {
+     int junk = 0;
+ 
+     sec = 24;       // 24 seconds
+     minute = 13;       // 13 min
+     hours = 13;     // 1 pm
+     day = 4;        // wednesday
+     date = 20;      // June 20
+     month = 6;
+     year = 12;      // 2012
+                     // set time to these values on the ds1307 connected device
+     
+         //test_rw(my1307.settime( sec, minute, hours, day, date, month, year));
+//         my1307.start_clock();
+//         pc.printf("seconds set are %.2D \n\r",sec++);
+//         pc.printf("min set are %.2D \n\r",minute);
+//         pc.printf("hour set are %.2D \n\r",hours);
+//         pc.printf("day set are %.2D \n\r",day);
+//         pc.printf("date set are %.2D \n\r",date);
+//         pc.printf("month set are %.2D \n\r",month);
+//         pc.printf("year set are %.2D \n\r",year);
+//         wait(3);
+                     // now read the time of the DS1307 device and see what time it is
+                     // note that because of the 3 second wait this time should be 3 seconds past what it was set to earlier
+    while(1){
+         pc.printf("--------------------------");
+         test_rw(my1307.gettime( &sec, &minute, &hours, &day, &date, &month, &year));
+         pc.printf("seconds read are %.2D \n\r",sec);
+         pc.printf("min read are %.2D \n\r",minute);
+         pc.printf("hour read are %.2D \n\r",hours);
+         pc.printf("day read are %.2D \n\r",day);
+         pc.printf("date read are %.2D \n\r",date);
+         pc.printf("month read are %.2D \n\r",month);
+         pc.printf("year read are %.2D \n\r",year);
+         pc.printf("--------------------------");
+         wait(1);
+        // 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);
+//         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);
+     }
+ }
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