testing app for DS1307 RTC and 1-wire driver for DS8B20
Dependencies: DS1307 OneWire mbed
main.cpp
- Committer:
- alpov
- Date:
- 2014-04-28
- Revision:
- 0:711e5c134396
File content as of revision 0:711e5c134396:
#include "mbed.h" #include "DS1307.h" #include "1wire.h" DS1307 rtc(PTE0, PTE1); OneWire ow(A4, A2, A3); Serial pc(USBTX, USBRX, "pc"); int main() { Timer t; char c; pc.printf("\n\n\n\n*************************************\n"); pc.printf("* r - reads the clock\n"); pc.printf("* w - write the clock\n"); pc.printf("* c - convert temperatures\n"); pc.printf("* t - search 1wire and list read temperatures\n"); pc.printf("*************************************\n\n"); while (1) { c = pc.getc(); if (c == 'r') { // perform read t.reset(); t.start(); time_t m_time = rtc.now(); t.stop(); struct tm *now; now = localtime(&m_time); pc.printf("Current time is %lu, %02d:%02d:%02d, %d.%d.%04d\n", m_time, now->tm_hour, now->tm_min, now->tm_sec, now->tm_mday, now->tm_mon+1, now->tm_year+1900 ); pc.printf("Internal datetime format is %s\n", asctime(now)); pc.printf("Read complete, elapsed %uus\n", t.read_us()); } else if (c == 'w') { // perform write int date, month, year, hours, minutes, seconds; pc.printf("Enter the date (date 1..31)\n"); pc.scanf("%d", &date); pc.printf("Enter the date (month 1..12)\n"); pc.scanf("%d", &month); pc.printf("Enter the date (year >2000)\n"); pc.scanf("%d", &year); pc.printf("Enter the time (hours 0..23)\n"); pc.scanf("%d", &hours); pc.printf("Enter the time (minutes 0..59)\n"); pc.scanf("%d", &minutes); pc.printf("Enter the time (seconds 0..59)\n"); pc.scanf("%d", &seconds); struct tm now = {seconds, minutes, hours, date, month-1, year-1900}; time_t m_time = mktime(&now); t.reset(); t.start(); bool b = rtc.set_time(m_time); t.stop(); pc.printf("Write complete (UNIX %lu, result %d), elapsed %uus\n", m_time, b, t.read_us()); } else if (c == 'c') { ow.ConvertAll(true); pc.printf("Convert done\n"); } else if (c == 't') { int result, temp; uint8_t rom[8]; memset(rom, 0, sizeof(rom)); result = ow.First(rom); while (result == OW_FOUND) { for (int i = 0; i < 8; i++) pc.printf("%.2X", rom[i]); t.reset(); t.start(); int b = ow.ReadTemperature(rom, &temp); t.stop(); if (b) pc.printf(": read failed, code 0x%.4x, elapsed %uus\n", b, t.read_us()); else pc.printf(": read ok, temperature %.2f'C, elapsed %uus\n", temp / 100., t.read_us()); result = ow.Next(rom); } pc.printf("Done\n"); } else { pc.printf("Syntax error\n"); } pc.printf("\n"); } }