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Dependencies:   mbed

main.cpp@1:24717a795dc0, 2017-12-23 (annotated)

Committer:
osmith2
Date:
Sat Dec 23 15:57:31 2017 +0000
Revision:
1:24717a795dc0
Parent:
0:7c0bfc9d2e16 
testing http://www.cplusplus.com/reference/cstdio/sprintf/; different variations of the code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
osmith2 0:7c0bfc9d2e16 1 #include "mbed.h"
osmith2 0:7c0bfc9d2e16 2
osmith2 0:7c0bfc9d2e16 3
osmith2 0:7c0bfc9d2e16 4
osmith2 0:7c0bfc9d2e16 5
osmith2 0:7c0bfc9d2e16 6
osmith2 0:7c0bfc9d2e16 7 Serial pc(USBTX, USBRX);
osmith2 0:7c0bfc9d2e16 8
osmith2 0:7c0bfc9d2e16 9
osmith2 0:7c0bfc9d2e16 10
osmith2 0:7c0bfc9d2e16 11 int year = 2017;
osmith2 0:7c0bfc9d2e16 12 char month = 12;
osmith2 0:7c0bfc9d2e16 13 char day = 25;
osmith2 0:7c0bfc9d2e16 14 char hour = 23;
osmith2 0:7c0bfc9d2e16 15 char minute = 28;
osmith2 0:7c0bfc9d2e16 16
osmith2 0:7c0bfc9d2e16 17 DigitalOut myled(LED1);
osmith2 0:7c0bfc9d2e16 18
osmith2 0:7c0bfc9d2e16 19 int main() {
osmith2 0:7c0bfc9d2e16 20 while(1) {
osmith2 0:7c0bfc9d2e16 21 myled = 1; // LED is ON
osmith2 0:7c0bfc9d2e16 22 wait(0.2); // 200 ms
osmith2 0:7c0bfc9d2e16 23 myled = 0; // LED is OFF
osmith2 0:7c0bfc9d2e16 24 wait(1.0); // 1 sec
osmith2 0:7c0bfc9d2e16 25
osmith2 0:7c0bfc9d2e16 26 //date
osmith2 0:7c0bfc9d2e16 27 pc.printf("Year: %d\n", year);
osmith2 0:7c0bfc9d2e16 28 pc.printf("Month: %d\n", month);
osmith2 0:7c0bfc9d2e16 29 pc.printf("Day: %d\n", day);
osmith2 0:7c0bfc9d2e16 30 //time
osmith2 0:7c0bfc9d2e16 31 pc.printf("Hour: %d\n", hour);
osmith2 0:7c0bfc9d2e16 32 pc.printf("Minute: %d\n", minute);
osmith2 0:7c0bfc9d2e16 33
osmith2 0:7c0bfc9d2e16 34
osmith2 0:7c0bfc9d2e16 35 // SOOooooo, am I retarded or can we not just do this?
osmith2 0:7c0bfc9d2e16 36 pc.printf("Date and time: %d.%d.%d.%d.%d \n", year, month, day, hour, minute);
osmith2 1:24717a795dc0 37 pc.printf("Merry christmas!\n");
osmith2 1:24717a795dc0 38
osmith2 1:24717a795dc0 39
osmith2 1:24717a795dc0 40
osmith2 1:24717a795dc0 41 char buffer [50];
osmith2 1:24717a795dc0 42 int n;
osmith2 1:24717a795dc0 43 //a=5, b=3;
osmith2 1:24717a795dc0 44 n=sprintf (buffer, "%d.%d.%d¦%d:%d", year, month, day, hour, minute);
osmith2 1:24717a795dc0 45 pc.printf ("[%s] is a string %d chars long\n",buffer,n);
osmith2 1:24717a795dc0 46 return 0;
osmith2 1:24717a795dc0 47
osmith2 1:24717a795dc0 48
osmith2 1:24717a795dc0 49 /*
osmith2 1:24717a795dc0 50 char rtard [50];
osmith2 1:24717a795dc0 51 int m, c=5, d=3;
osmith2 1:24717a795dc0 52 m=sprintf (rtard, "Duo %d plus %d is %d", c, d, c+d);
osmith2 1:24717a795dc0 53 pc.printf ("[%s] is a string %d chars long\n",rtard,n);
osmith2 1:24717a795dc0 54 return 0;
osmith2 1:24717a795dc0 55 */
osmith2 1:24717a795dc0 56
osmith2 1:24717a795dc0 57 /*
osmith2 1:24717a795dc0 58 char datboi [100];
osmith2 1:24717a795dc0 59 int o;
osmith2 1:24717a795dc0 60 o = sprintf (datboi, "Date and Time: %d.%d \n", year, month);
osmith2 1:24717a795dc0 61 pc.printf ("[%s] is a string chars long\n",datboi, n);
osmith2 1:24717a795dc0 62 return 0;
osmith2 1:24717a795dc0 63 */
osmith2 1:24717a795dc0 64
osmith2 0:7c0bfc9d2e16 65 }
osmith2 0:7c0bfc9d2e16 66 }