V09 / timer0

Zeitsteuerung

Fork of timer0 by V09

timer0.cpp@0:8d3e2b74d1d5, 2015-01-03 (annotated)

Committer:
rs27
Date:
Sat Jan 03 15:26:23 2015 +0000
Revision:
0:8d3e2b74d1d5
123;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rs27 0:8d3e2b74d1d5 1 #include "mbed.h"
rs27 0:8d3e2b74d1d5 2 #include "timer0.h"
rs27 0:8d3e2b74d1d5 3
rs27 0:8d3e2b74d1d5 4
rs27 0:8d3e2b74d1d5 5 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 6 // Construktor initialisiert den Timer
rs27 0:8d3e2b74d1d5 7 timer0::timer0()
rs27 0:8d3e2b74d1d5 8 {
rs27 0:8d3e2b74d1d5 9 uint8_t i;
rs27 0:8d3e2b74d1d5 10
rs27 0:8d3e2b74d1d5 11 ms = 0;
rs27 0:8d3e2b74d1d5 12 sec = 0;
rs27 0:8d3e2b74d1d5 13
rs27 0:8d3e2b74d1d5 14 // Initialize countdown timers
rs27 0:8d3e2b74d1d5 15 for (i=0; i < TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27 0:8d3e2b74d1d5 16 CountDownTimers[i].status = 0xFF;
rs27 0:8d3e2b74d1d5 17
rs27 0:8d3e2b74d1d5 18 ticker.attach_us(this, &timer0::func, 1000);
rs27 0:8d3e2b74d1d5 19 }
rs27 0:8d3e2b74d1d5 20
rs27 0:8d3e2b74d1d5 21 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 22 // Interruptroutine wird jede ms aufgerufen
rs27 0:8d3e2b74d1d5 23 void timer0::func(void)
rs27 0:8d3e2b74d1d5 24 {
rs27 0:8d3e2b74d1d5 25 uint8_t i;
rs27 0:8d3e2b74d1d5 26
rs27 0:8d3e2b74d1d5 27 if(counter != 0) counter--;
rs27 0:8d3e2b74d1d5 28
rs27 0:8d3e2b74d1d5 29 // Zeitbasis für Systemzeit
rs27 0:8d3e2b74d1d5 30 // ----- count down timers in ms -------------------------------------------------
rs27 0:8d3e2b74d1d5 31 for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27 0:8d3e2b74d1d5 32 {
rs27 0:8d3e2b74d1d5 33 if (CountDownTimers[i].status == 1)
rs27 0:8d3e2b74d1d5 34 { // ms
rs27 0:8d3e2b74d1d5 35 if (CountDownTimers[i].count_timer > 0)
rs27 0:8d3e2b74d1d5 36 CountDownTimers[i].count_timer -- ;
rs27 0:8d3e2b74d1d5 37 if (CountDownTimers[i].count_timer == 0)
rs27 0:8d3e2b74d1d5 38 CountDownTimers[i].status = 0;
rs27 0:8d3e2b74d1d5 39 }
rs27 0:8d3e2b74d1d5 40 }
rs27 0:8d3e2b74d1d5 41
rs27 0:8d3e2b74d1d5 42 if (ms < 1000)
rs27 0:8d3e2b74d1d5 43 {
rs27 0:8d3e2b74d1d5 44 ms++;
rs27 0:8d3e2b74d1d5 45 }
rs27 0:8d3e2b74d1d5 46 else
rs27 0:8d3e2b74d1d5 47 {
rs27 0:8d3e2b74d1d5 48 ms = 0;
rs27 0:8d3e2b74d1d5 49
rs27 0:8d3e2b74d1d5 50 seconds++;
rs27 0:8d3e2b74d1d5 51 set_time(seconds);
rs27 0:8d3e2b74d1d5 52
rs27 0:8d3e2b74d1d5 53 // ----- count down timers in s -------------------------------------------------
rs27 0:8d3e2b74d1d5 54 for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27 0:8d3e2b74d1d5 55 {
rs27 0:8d3e2b74d1d5 56 if (CountDownTimers[i].status == 2)
rs27 0:8d3e2b74d1d5 57 { // sekunden
rs27 0:8d3e2b74d1d5 58 if (CountDownTimers[i].count_timer > 0)
rs27 0:8d3e2b74d1d5 59 CountDownTimers[i].count_timer -- ;
rs27 0:8d3e2b74d1d5 60 if (CountDownTimers[i].count_timer == 0)
rs27 0:8d3e2b74d1d5 61 CountDownTimers[i].status = 0;
rs27 0:8d3e2b74d1d5 62 }
rs27 0:8d3e2b74d1d5 63 }
rs27 0:8d3e2b74d1d5 64
rs27 0:8d3e2b74d1d5 65 if (sec < 60)
rs27 0:8d3e2b74d1d5 66 {
rs27 0:8d3e2b74d1d5 67 sec++;
rs27 0:8d3e2b74d1d5 68 }
rs27 0:8d3e2b74d1d5 69 else
rs27 0:8d3e2b74d1d5 70 {
rs27 0:8d3e2b74d1d5 71 sec = 0;
rs27 0:8d3e2b74d1d5 72
rs27 0:8d3e2b74d1d5 73 // hier folgt der Minutenzähler falls erforderlich
rs27 0:8d3e2b74d1d5 74 }
rs27 0:8d3e2b74d1d5 75 }
rs27 0:8d3e2b74d1d5 76
rs27 0:8d3e2b74d1d5 77 }
rs27 0:8d3e2b74d1d5 78
rs27 0:8d3e2b74d1d5 79 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 80 // Abfrage nach freiem Timer
rs27 0:8d3e2b74d1d5 81 //
rs27 0:8d3e2b74d1d5 82 // wenn alle Timer belegt sind wird 0xFF zurückgegebne
rs27 0:8d3e2b74d1d5 83
rs27 0:8d3e2b74d1d5 84 uint8_t timer0::AllocateCountdownTimer (void)
rs27 0:8d3e2b74d1d5 85 {
rs27 0:8d3e2b74d1d5 86 uint8_t i;
rs27 0:8d3e2b74d1d5 87
rs27 0:8d3e2b74d1d5 88 for (i=0; i<TIMER0_NUM_COUNTDOWNTIMERS; i++)
rs27 0:8d3e2b74d1d5 89 if (CountDownTimers[i].status == 0xFF)
rs27 0:8d3e2b74d1d5 90 {
rs27 0:8d3e2b74d1d5 91 CountDownTimers[i].status = 0x00; // Timer reserviert, nicht gestartet
rs27 0:8d3e2b74d1d5 92 // printf_P(PSTR("\rallocate timer [%03d] %d\n"),i,ListPointer);
rs27 0:8d3e2b74d1d5 93
rs27 0:8d3e2b74d1d5 94 return i;
rs27 0:8d3e2b74d1d5 95 }
rs27 0:8d3e2b74d1d5 96
rs27 0:8d3e2b74d1d5 97 return 0xFF;
rs27 0:8d3e2b74d1d5 98 }
rs27 0:8d3e2b74d1d5 99
rs27 0:8d3e2b74d1d5 100 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 101 // Timer wieder freigeben
rs27 0:8d3e2b74d1d5 102 void timer0::RemoveCountdownTimer(uint8_t timer)
rs27 0:8d3e2b74d1d5 103 {
rs27 0:8d3e2b74d1d5 104 CountDownTimers[timer].status = 0xFF;
rs27 0:8d3e2b74d1d5 105 }
rs27 0:8d3e2b74d1d5 106
rs27 0:8d3e2b74d1d5 107 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 108 // Abfrage ob Timer 0 erreicht hat
rs27 0:8d3e2b74d1d5 109 uint8_t timer0::GetTimerStatus(uint8_t timer)
rs27 0:8d3e2b74d1d5 110 {
rs27 0:8d3e2b74d1d5 111 return CountDownTimers[timer].status;
rs27 0:8d3e2b74d1d5 112 }
rs27 0:8d3e2b74d1d5 113
rs27 0:8d3e2b74d1d5 114 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 115 // Abfrage der verbleibenden Zeit
rs27 0:8d3e2b74d1d5 116 uint16_t timer0::GetTimerZeit(uint8_t timer)
rs27 0:8d3e2b74d1d5 117 {
rs27 0:8d3e2b74d1d5 118 return CountDownTimers[timer].count_timer;
rs27 0:8d3e2b74d1d5 119 }
rs27 0:8d3e2b74d1d5 120
rs27 0:8d3e2b74d1d5 121 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 122 // Timer aktivieren
rs27 0:8d3e2b74d1d5 123 void timer0::SetCountdownTimer(unsigned char timer, unsigned char status, unsigned short value)
rs27 0:8d3e2b74d1d5 124 {
rs27 0:8d3e2b74d1d5 125 CountDownTimers[timer].count_timer = value;
rs27 0:8d3e2b74d1d5 126 CountDownTimers[timer].status = status;
rs27 0:8d3e2b74d1d5 127 }
rs27 0:8d3e2b74d1d5 128
rs27 0:8d3e2b74d1d5 129 //--------------------------------------------------------
rs27 0:8d3e2b74d1d5 130 // Zeitstempel setzen
rs27 0:8d3e2b74d1d5 131 void timer0::Set_t(uint8_t * data)
rs27 0:8d3e2b74d1d5 132 {
rs27 0:8d3e2b74d1d5 133 char buffer[40];
rs27 0:8d3e2b74d1d5 134
rs27 0:8d3e2b74d1d5 135 t.tm_sec = data[0]; // Sekunden 0-59
rs27 0:8d3e2b74d1d5 136 t.tm_min = data[1]; // Minuten 0-59
rs27 0:8d3e2b74d1d5 137 t.tm_hour = data[2]; // Stunden 0-23
rs27 0:8d3e2b74d1d5 138 t.tm_mday = data[3]; // Tag 1-31
rs27 0:8d3e2b74d1d5 139 t.tm_mon = data[4] - 1; // Monat 0-11 0 = Januar
rs27 0:8d3e2b74d1d5 140 t.tm_year = data[5]; // Jahr year since 1900
rs27 0:8d3e2b74d1d5 141
rs27 0:8d3e2b74d1d5 142 seconds = mktime(&t);
rs27 0:8d3e2b74d1d5 143 set_time(seconds);
rs27 0:8d3e2b74d1d5 144
rs27 0:8d3e2b74d1d5 145 strftime(buffer, 40, "%a,%d.%m.%Y %H:%M:%S", localtime(&seconds));
rs27 0:8d3e2b74d1d5 146 // pc.printf("\ntimer0::set_t = %s", buffer);
rs27 0:8d3e2b74d1d5 147 }