Nathan Yonkee / Mbed OS Nucleo_display_time

copy of rtc example

main.cpp@2:b3aa9dd045be, 2018-02-06 (annotated)

Committer:
tulanthoar
Date:
Tue Feb 06 07:19:24 2018 +0000
Revision:
2:b3aa9dd045be
Parent:
0:32f1960de3fb 
import to local repo

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tulanthoar 0:32f1960de3fb 1 #include "mbed.h"
tulanthoar 2:b3aa9dd045be 2 #include "LowPowerTimer.h"
tulanthoar 2:b3aa9dd045be 3 #include "arm_math.h"
tulanthoar 0:32f1960de3fb 4 DigitalOut myled(LED1);
tulanthoar 0:32f1960de3fb 5
tulanthoar 0:32f1960de3fb 6 int main() {
tulanthoar 2:b3aa9dd045be 7 Serial pc(PA_9, PA_10, 115200);
tulanthoar 2:b3aa9dd045be 8 pc.printf("RTC example\n");
tulanthoar 0:32f1960de3fb 9 set_time(1387188323); // Set RTC time to 16 December 2013 10:05:23 UTC
tulanthoar 2:b3aa9dd045be 10 LowPowerTimer lp;
tulanthoar 2:b3aa9dd045be 11 AnalogIn ai(PA_6);
tulanthoar 2:b3aa9dd045be 12 Timer p2;
tulanthoar 2:b3aa9dd045be 13 p2.start();
tulanthoar 2:b3aa9dd045be 14 lp.start();
tulanthoar 2:b3aa9dd045be 15 pc.printf("Date and time are set.\n");
tulanthoar 2:b3aa9dd045be 16 unsigned int i = 0;
tulanthoar 0:32f1960de3fb 17 while(1) {
tulanthoar 0:32f1960de3fb 18
tulanthoar 2:b3aa9dd045be 19 //time_t seconds = time(NULL);
tulanthoar 0:32f1960de3fb 20
tulanthoar 0:32f1960de3fb 21 //printf("Time as seconds since January 1, 1970 = %d\n", seconds);
tulanthoar 2:b3aa9dd045be 22 //float nowms = abs(lp.read_us());
tulanthoar 2:b3aa9dd045be 23 //float insin = sqrt(nowms);
tulanthoar 2:b3aa9dd045be 24 myled = 1;
tulanthoar 0:32f1960de3fb 25
tulanthoar 0:32f1960de3fb 26
tulanthoar 0:32f1960de3fb 27 //char buffer[32];
tulanthoar 0:32f1960de3fb 28 //strftime(buffer, 32, "%I:%M:%S %p\n", localtime(&seconds));
tulanthoar 0:32f1960de3fb 29 //printf("Time as a custom formatted string = %s", buffer);
tulanthoar 2:b3aa9dd045be 30 wait_us(1);
tulanthoar 2:b3aa9dd045be 31 myled = 0;
tulanthoar 2:b3aa9dd045be 32 for(int j = 0; j < 50; ++j){
tulanthoar 2:b3aa9dd045be 33 pc.printf("{\"data\":\"%d\",\"val\":%4.2f}\n", ++i, (float)(ai.read()*3.3f));
tulanthoar 2:b3aa9dd045be 34 wait(0.1);
tulanthoar 2:b3aa9dd045be 35 }
tulanthoar 2:b3aa9dd045be 36
tulanthoar 0:32f1960de3fb 37 }
tulanthoar 0:32f1960de3fb 38 }