utility.cpp

00001 #include "utility.h"
00002 
00003 
00004 TimeClass::TimeClass (int h, int m, float s)
00005     :   hour(h), minute(m), second(s) {}
00006 
00007 void TimeClass::inc(TimeClass *prev, float i) {
00008     prev->second = this->second;
00009     prev->minute = this->minute;
00010     prev->hour = this->hour;
00011     this->second += i;
00012     if (this->second >= 60) {
00013         this->second = 0;
00014         this->minute += 1;
00015     }
00016     
00017     if (this->minute == 60) {
00018         this->minute = 0;
00019         this->hour += 1;
00020     }
00021     
00022     if (this->hour == 24)
00023         this->hour = 0;
00024 }
00025 
00026 DateClass::DateClass(int d, int m, int y, int dow)
00027     :   day(d), month(m), year(y), dow(dow) {}
00028  
00029 WeatherClass::WeatherClass(weatherType t, int tmp, bool cel, char *p)
00030     :   type(t), temp(tmp), isCelsius(cel), place(p) {}
00031  
00032 StateClass::StateClass(TimeClass *t, TimeClass *p, WeatherClass *w, DateClass *d, TimeClass *a)
00033     :   time(t), prevTime(p), weather(w), date(d), alarm(a), screenState(0), screenActive(true), duringAlarm(false) {}
00034 
00035 
00036 void playAlarmSound()
00037 {
00038     PwmOut speaker(ALARM_PIN);      // alarm sound of regular beeps
00039     while (programState->duringAlarm) {
00040         speaker.period(1.0/150.0);  // 150hz period
00041         speaker =0.0125;
00042         wait(0.5);
00043         speaker=0.0;                // turn off audio
00044         wait(0.5);
00045     }
00046 }
00047 
00048 AnalogIn ain(RANGE_AN);
00049 DigitalOut cs(RANGE_CS, 0);
00050 
00051 bool getDistance()
00052 {
00053     float adc, volts, inches;
00054     cs = 1;
00055     wait_us(30);
00056     adc = ain.read();           // read analog as a float
00057     volts = adc * 4.5;          // convert to volts
00058     inches = volts / 0.0095;
00059     cs = 0;
00060     return inches <= RANGE_THRESHOLD;
00061 }
00062 
00063 //I2C master(RTC_SDA, RTC_SCL);
00064 Rtc_Ds1307 rtc(RTC_SDA, RTC_SCL);
00065 void read_rtc(StateClass *ps)
00066 {
00067     Rtc_Ds1307::Time_rtc data = {};
00068     int s = 0, m = 0, h = 0, dow = 0, d = 0, mo = 0, y = 0;
00069     //rtc.gettime(&s, &m, &h, &dow, &d, &mo, &y);
00070     rtc.getTime(data);
00071     h = data.hour;
00072     m = data.min;
00073     s = data.sec;
00074     dow = data.wday - 1;
00075     d = data.date;
00076     mo = data.mon;
00077     y = data.year;
00078     LOG("%d:%d:%d", h, m, s);
00079     //if (!rtc.isRunning())
00080     //    return;
00081     ps->time->hour = h;
00082     ps->prevTime->hour = h;
00083     ps->time->minute = m;
00084     ps->prevTime->minute = m;
00085     ps->time->second = s;
00086     ps->prevTime->second = s;
00087     ps->date->year = y;
00088     ps->date->day = d;
00089     ps->date->month = mo;
00090     ps->date->dow = dow-1;
00091 }
00092 
00093 void update_rtc(StateClass *ps)
00094 {
00095     //DateTime data(ps->date->year, ps->date->month, ps->date->day, ps->time->hour, ps->time->minute, ps->time->second);
00096     //rtc.adjust(data);
00097 }