Revision 0:c368b419bdf1, committed 2015-11-15

Comitter:

Peeraya

Date:

Sun Nov 15 09:27:05 2015 +0000

Commit message:

bubu; ;

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DS1307.lib	Sun Nov 15 09:27:05 2015 +0000
@@ -0,0 +1,1 @@
+http://developer.mbed.org/users/harrypowers/code/DS1307/#c3e4da8feb10

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Nov 15 09:27:05 2015 +0000
@@ -0,0 +1,63 @@
+// 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(A4,A5); // start DS1307 class and give it pins for connections of the DS1307 device
+ 
+ int sec = 0;
+ int min = 0;
+ int hours = 0;
+ int day = 0;
+ int date = 0;
+ int month = 0;
+ int year = 0;
+ 
+ void test_rw(int test) {
+     if (test == 0) printf("Last R/W operaion passed!\n\r");
+     else printf("Last R/W operation failed!\n\r");
+ }
+ 
+ int main() {
+     while(1){
+     int junk = 0;
+ 
+     sec = 24;       // 24 seconds
+     min = 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, min, hours, day, date, month, year));
+     printf("seconds set are %.2d \n\r",sec);
+     printf("min set are %.2d \n\r",min);
+     printf("hour set are %.2d \n\r",hours);
+     printf("day set are %.2d \n\r",day);
+     printf("date set are %.2d \n\r",date);
+     printf("month set are %.2d \n\r",month);
+     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
+ 
+     test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
+     printf("seconds read are %.2d \n\r",sec);
+     printf("min read are %.2d \n\r",min);
+     printf("hour read are %.2d \n\r",hours);
+     printf("day read are %.2d \n\r",day);
+     printf("date read are %.2d \n\r",date);
+     printf("month read are %.2d \n\r",month);
+     printf("year read are %.2d \n\r",year);
+ 
+     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.
+     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
+     printf("Value read from register 0x20 %.2x \n\r",junk);
+ }
+ }
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Nov 15 09:27:05 2015 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9296ab0bfc11
\ No newline at end of file