Roger Zuber / Mbed 2 deprecated Nucleo_StarterShileld_Clock

Demo Clock with Nucleo-F303RE and Starter Shield

Dependencies:   DS1307 TM1636 mbed

main.cpp@0:7dfbdbd8aa83, 2017-05-18 (annotated)

Committer:
rogerzuber
Date:
Thu May 18 08:03:59 2017 +0000
Revision:
0:7dfbdbd8aa83
Child:
1:dacca338a30b
Demo Clock with Nucleo-F303RE and Starter Shield

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rogerzuber 0:7dfbdbd8aa83 1 #include "mbed.h"
rogerzuber 0:7dfbdbd8aa83 2 #include "ds1307.h"
rogerzuber 0:7dfbdbd8aa83 3 #include "TM1636.h"
rogerzuber 0:7dfbdbd8aa83 4
rogerzuber 0:7dfbdbd8aa83 5 DigitalOut myled(D2);
rogerzuber 0:7dfbdbd8aa83 6 DigitalIn button_K1(D9);
rogerzuber 0:7dfbdbd8aa83 7
rogerzuber 0:7dfbdbd8aa83 8 Serial pc(USBTX, USBRX); // tx, rx for debug and usb pc comunications
rogerzuber 0:7dfbdbd8aa83 9
rogerzuber 0:7dfbdbd8aa83 10 DS1307 my1307(I2C_SDA, I2C_SCL); // DS1307 Objekt für Zugriff auf RTC auf Shield (Pins I2C)
rogerzuber 0:7dfbdbd8aa83 11 // Verbindung zwischen Shield und Nucleo A4-D14 und A5-D15 zwingend nötig
rogerzuber 0:7dfbdbd8aa83 12
rogerzuber 0:7dfbdbd8aa83 13 TM1636 tm1636(D7,D8); // Display driver for 7-Segment-Display
rogerzuber 0:7dfbdbd8aa83 14
rogerzuber 0:7dfbdbd8aa83 15 int sec = 0;
rogerzuber 0:7dfbdbd8aa83 16 int min = 0;
rogerzuber 0:7dfbdbd8aa83 17 int hours = 0;
rogerzuber 0:7dfbdbd8aa83 18 int day = 0;
rogerzuber 0:7dfbdbd8aa83 19 int date = 0;
rogerzuber 0:7dfbdbd8aa83 20 int month = 0;
rogerzuber 0:7dfbdbd8aa83 21 int year = 0;
rogerzuber 0:7dfbdbd8aa83 22
rogerzuber 0:7dfbdbd8aa83 23 int8_t temp[4];
rogerzuber 0:7dfbdbd8aa83 24
rogerzuber 0:7dfbdbd8aa83 25 void test_rw(int test) {
rogerzuber 0:7dfbdbd8aa83 26 if (test == 0) {
rogerzuber 0:7dfbdbd8aa83 27 // pc.printf("Last R/W operaion passed!\n\r");
rogerzuber 0:7dfbdbd8aa83 28 }
rogerzuber 0:7dfbdbd8aa83 29 else {
rogerzuber 0:7dfbdbd8aa83 30 pc.printf("Last R/W operation failed!\n\r");
rogerzuber 0:7dfbdbd8aa83 31 }
rogerzuber 0:7dfbdbd8aa83 32 }
rogerzuber 0:7dfbdbd8aa83 33
rogerzuber 0:7dfbdbd8aa83 34
rogerzuber 0:7dfbdbd8aa83 35 int main() {
rogerzuber 0:7dfbdbd8aa83 36
rogerzuber 0:7dfbdbd8aa83 37 button_K1.mode(PullUp);
rogerzuber 0:7dfbdbd8aa83 38 tm1636.init();
rogerzuber 0:7dfbdbd8aa83 39 int junk = 0;
rogerzuber 0:7dfbdbd8aa83 40
rogerzuber 0:7dfbdbd8aa83 41 while(1){
rogerzuber 0:7dfbdbd8aa83 42
rogerzuber 0:7dfbdbd8aa83 43 if (!button_K1)
rogerzuber 0:7dfbdbd8aa83 44 {
rogerzuber 0:7dfbdbd8aa83 45 test_rw(my1307.settime( 00, 00, 12, 3, 17, 5, 17));
rogerzuber 0:7dfbdbd8aa83 46 pc.printf("time is set to 12:00:00 - 17.05.2017\n\r");
rogerzuber 0:7dfbdbd8aa83 47
rogerzuber 0:7dfbdbd8aa83 48 junk = 0x39; // just a junk value do read and write test to DS1307 ram
rogerzuber 0:7dfbdbd8aa83 49 test_rw(my1307.write( 0x20, junk)); // this should write the value of junk to register 0x20 (a ram location) in the ds1307.
rogerzuber 0:7dfbdbd8aa83 50 pc.printf("Value written to register 0x20 %.2X \n\r",junk);
rogerzuber 0:7dfbdbd8aa83 51 }
rogerzuber 0:7dfbdbd8aa83 52 else
rogerzuber 0:7dfbdbd8aa83 53 {
rogerzuber 0:7dfbdbd8aa83 54 test_rw(my1307.gettime( &sec, &min, &hours, &day, &date, &month, &year));
rogerzuber 0:7dfbdbd8aa83 55 pc.printf("time is %.2D.%.2D.%.2D - %.2D-%.2D-20%.2D \r", hours, min, sec, date, month, year);
rogerzuber 0:7dfbdbd8aa83 56
rogerzuber 0:7dfbdbd8aa83 57 temp[0] = hours / 10;
rogerzuber 0:7dfbdbd8aa83 58 temp[1] = hours % 10;
rogerzuber 0:7dfbdbd8aa83 59 temp[2] = min / 10;
rogerzuber 0:7dfbdbd8aa83 60 temp[3] = min % 10;
rogerzuber 0:7dfbdbd8aa83 61 tm1636.display(temp);
rogerzuber 0:7dfbdbd8aa83 62
rogerzuber 0:7dfbdbd8aa83 63 //junk = 0; // clear junk to show that when the register is read from the correct value is obtained
rogerzuber 0:7dfbdbd8aa83 64 //test_rw(my1307.read( 0x20, &junk)); // this should read register 0x20
rogerzuber 0:7dfbdbd8aa83 65 //pc.printf("Value read from register 0x20 %.2X \n\r",junk);
rogerzuber 0:7dfbdbd8aa83 66 }
rogerzuber 0:7dfbdbd8aa83 67 // if ((sec % 2 == 1))
rogerzuber 0:7dfbdbd8aa83 68 // {
rogerzuber 0:7dfbdbd8aa83 69 // tm1636.point(true);
rogerzuber 0:7dfbdbd8aa83 70 // }
rogerzuber 0:7dfbdbd8aa83 71 // else
rogerzuber 0:7dfbdbd8aa83 72 // {
rogerzuber 0:7dfbdbd8aa83 73 // tm1636.point(false);
rogerzuber 0:7dfbdbd8aa83 74 // }
rogerzuber 0:7dfbdbd8aa83 75 wait(1.0);
rogerzuber 0:7dfbdbd8aa83 76 myled = ! myled;
rogerzuber 0:7dfbdbd8aa83 77 }
rogerzuber 0:7dfbdbd8aa83 78 }