1 | //==========================================================
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2 | //================== Timer Code ===================
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3 | //==========================================================
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4 |
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5 | #include "timer.h"
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6 |
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7 | volatile RTC RTC_Value;
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8 |
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9 | volatile union{ //System Ticks
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10 | struct{
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11 | unsigned tick_10ms:1;
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12 | unsigned tick_100ms:1;
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13 | unsigned tick_sec:1;
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14 | unsigned none:5;
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15 | } Bit;
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16 | unsigned char Byte;
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17 | } RTC_Ticks;
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18 |
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19 |
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20 | void RTC_INIT(void){
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21 | RTC_Value.counter_10ms = 0;
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22 | RTC_Value.counter_100ms = 0;
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23 | RTC_Value.counter_sec = 0;
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24 | RTC_Value.counter_min = 0;
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25 | RTC_Value.counter_h = 0;
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26 | RTC_Value.counter_day = 0;
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27 | RTC_Ticks.Bit.tick_10ms = 0;
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28 | RTC_Ticks.Bit.tick_100ms = 0;
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29 | RTC_Ticks.Bit.tick_sec = 0;
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30 | RTC_Value.boot_delay = 0;
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31 | }
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32 | void RTC_INT(void){
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33 | RTC_Ticks.Bit.tick_10ms = 1; //10ms ticker
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34 | RTC_Value.counter_10ms++; //10ms count
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35 |
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36 | if(RTC_Value.counter_10ms >= 10){
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37 | RTC_Ticks.Bit.tick_100ms = 1; //100ms tick
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38 | RTC_Value.counter_100ms++; //100ms count
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39 | RTC_Value.counter_10ms = 0; //reset 10ms count
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40 | }
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41 | if(RTC_Value.counter_100ms >= 10){
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42 | RTC_Ticks.Bit.tick_sec = 1; //1 sec tick
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43 | RTC_Value.counter_sec++; //1sec count
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44 | RTC_Value.counter_100ms = 0; //reset 100ms count
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45 | }
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46 | if(RTC_Value.counter_sec >= 60){
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47 | RTC_Value.counter_min++; //1min count
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48 | RTC_Value.counter_sec = 0; //reset sec count
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49 | }
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50 | if(RTC_Value.counter_min >= 60){
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51 | RTC_Value.counter_h++; //1h count
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52 | RTC_Value.counter_min = 0; //reset min count
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53 | }
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54 | if(RTC_Value.counter_h >= 24){
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55 | RTC_Value.counter_day++; //1day count
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56 | RTC_Value.counter_h = 0; //reset h count
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57 | }
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58 | if(RTC_Value.counter_day >= 365){
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59 | RTC_Value.counter_day = 0; //reset day count
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60 | }
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61 | }
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62 | void TIMER0_INIT(void){
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63 | OpenTimer0( TIMER_INT_OFF & T0_8BIT & T0_SOURCE_EXT & T0_EDGE_FALL & T0_PS_1_1);
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64 | WriteTimer0(0); //Timmer 1 load (50mal pro sec)
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65 | }
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66 | void TIMER1_INIT(void){
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67 | OpenTimer1( TIMER_INT_ON & T1_16BIT_RW & T1_SOURCE_FOSC_4 & T1_PS_1_4 & T1_OSC1EN_OFF & T1_SYNC_EXT_OFF, TIMER_GATE_OFF & TIMER_GATE_INT_OFF);
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68 | WriteTimer1(25536); //Timmer 1 load (10ms)
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69 | PIR1bits.TMR1IF = 0; //clear interrupt flag
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70 | IPR1bits.TMR1IP = 0; //low Prio
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71 | PIE1bits.TMR1IE = 1; //Timer 1 Interupt enabel
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72 | }
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73 | void TIMER2_INIT(void){
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74 | OpenTimer2( TIMER_INT_OFF & T2_PS_1_1 & T2_POST_1_16);
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75 | }
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76 | void TIMER4_INIT(void){
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77 | OpenTimer4(TIMER_INT_ON & T4_PS_1_16 & T4_POST_1_4);
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78 | WriteTimer4(0); //Timer 4 Clear
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79 | PR4 = 250; //Timer 4 set compare level
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80 | PIR5bits.TMR4IF = 0; //clear interrupt flag
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81 | PIE5bits.TMR4IE = 1; //Timer 4 Interupt Enabel
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82 | IPR5bits.TMR4IP = 1; //Timer 4 Compare Interrupt prio High
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83 | }
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84 | void TIMER6_INIT(void){
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85 | OpenTimer6(TIMER_INT_OFF & T6_PS_1_1 & T6_POST_1_1);
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86 | }
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