1 | /*
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2 | * Project name:
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3 | Funkuhr
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4 | * Copyright:
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5 | (c) Peter Schumacher 2013.
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6 | * Description:
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7 | Funkuhr
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8 | * Test configuration:
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9 | MCU: PIC18F1320-I/P
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10 | http://ww1.microchip.com/downloads/en/devicedoc/39605f.pdf
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11 | dev.board: EasyPIC v7
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12 | http://www.mikroe.com/eng/products/view/757/easypic-v7-development-system/
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13 | internal Oscillator: 125 kHz
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14 | external Oscillator: 32,768 kHz external Crystal
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15 | Ext. Modules: DCF-77-Receiver
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16 | http://ele.pgbesa.net/DCF77.pdf
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17 | SW: mikroC PRO for PIC
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18 | http://www.mikroe.com/eng/products/view/7/mikroc-pro-for-pic/
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19 | */
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20 |
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21 |
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22 | // LCD module connections
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23 | sbit LCD_RS at LATA0_bit;
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24 | sbit LCD_EN at LATA1_bit;
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25 | sbit LCD_D4 at LATA2_bit;
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26 | sbit LCD_D5 at LATA3_bit;
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27 | sbit LCD_D6 at LATA4_bit;
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28 | sbit LCD_D7 at LATB5_bit;
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29 |
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30 | sbit LCD_RS_Direction at TRISA0_bit;
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31 | sbit LCD_EN_Direction at TRISA1_bit;
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32 | sbit LCD_D4_Direction at TRISA2_bit;
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33 | sbit LCD_D5_Direction at TRISA3_bit;
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34 | sbit LCD_D6_Direction at TRISA4_bit;
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35 | sbit LCD_D7_Direction at TRISB5_bit;
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36 |
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37 | #define Empfaenger LATA.F6
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38 | #define Signal LATA.F7
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39 |
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40 | char s = 0; //Sekunde
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41 | char m = 0; //Minute
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42 | char h = 0; //Stunde
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43 | char d = 0; //Tag
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44 | char wd = 1; //Wochentag (Mo.-So.)
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45 | char mt = 0; //Monat
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46 | //Einzelne Ziffern für Ausgabestring
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47 | char h1 = 0;
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48 | char h2 = 0;
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49 | char m1 = 0;
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50 | char m2 = 0;
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51 | char s1 = 0;
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52 | char s2 = 0;
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53 |
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54 | char txt[9]; //Uhrzeit-String
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55 |
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56 | //oder:
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57 | //char *txt = "00:00:00";
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58 |
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59 | char Freigabe = 0; //Funksignal wird empfangen
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60 |
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61 | void interrupt() {
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62 | if(Freigabe == 0){
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63 | Empfaenger = 1;
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64 |
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65 | if(Signal){
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66 | LATB.F1 = 1; //Pin 9
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67 | }
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68 | else{
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69 | LATB.F1 = 0; //Pin 9
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70 | }
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71 |
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72 | Freigabe = 0;
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73 | }
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74 |
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75 | s++;
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76 | if(s == 60){
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77 | s = 0;
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78 | m++;
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79 | }
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80 | if(m == 60){
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81 | m = 0;
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82 | h++;
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83 | }
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84 | if(h == 24){
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85 | h = 0;
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86 | wd++;
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87 | }
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88 | TMR1IF_bit = 0;
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89 | INT0IF_bit = 0; //Reset von: INT0 External Interrupt Flag bit
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90 | }
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91 |
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92 | void main() {
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93 |
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94 | //OSCCON REGISTER
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95 | IDLEN_bit = 0; //Run Mode enabled
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96 | IRCF2_bit = 0; //internen Oszillator im OSCCON-Register auf 125 kHz setzen
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97 | IRCF1_bit = 0;
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98 | IRCF0_bit = 1;
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99 |
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100 | //Port A konfigurieren
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101 | TRISA = 0; //Port A als Ausgänge definieren
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102 | TRISA.F7 = 1; //Pin 4 von Port A als Eingang definieren
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103 | PORTA = 0; //Anfangswert von Port A festlegen
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104 |
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105 | //Port B konfigurieren
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106 | TRISB = 0; //Port B als Ausgänge definieren
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107 | TRISB.F0 = 1; // Pin 0 von Port B als Eingang definieren
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108 | PORTB = 0; //Anfangswert von Port B festlegen
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109 |
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110 | //LCD einrichten
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111 | Lcd_Init();
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112 | Lcd_Cmd(_LCD_CLEAR);
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113 | Lcd_Cmd(_LCD_CURSOR_OFF);
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114 |
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115 | //INTCON REGISTER
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116 | GIE_bit = 1; //Enables all unmasked interrupts
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117 | PEIE_bit = 1; //Enables all unmasked peripheral interrupts
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118 | INT0IE_bit = 1; //INT0 External Interrupt Enable bit (S1-Button at RB0)
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119 | INT0IF_bit = 0; //Reset von: INT0 External Interrupt Flag bit
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120 |
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121 | //T1CON REGISTER
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122 | TMR1ON_bit = 1; //Enables Timer1
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123 | TMR1CS_bit = 1; //External clock from pin RB6/PGC/T1OSO/T13CKI/P1C/KBI2 (on the rising edge)
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124 | T1SYNC_bit = 1; //Do not synchronize external clock input
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125 | T1OSCEN_bit = 1; //Timer1 Oscillator Enable bit
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126 | TMR1H = 0x80; //Timer1 ist ein 16bit Timer. Hier wrird das höhere Byte "vorgeladen" ("preload"), damit ein Interrupt genau nach jeder Sekunde kommt.
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127 |
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128 |
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129 | do{
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130 |
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131 | LATB.F4 = 1;
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132 |
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133 | //Uhrzeit wird in String umgewandelt
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134 | h1 = (h / 10) % 10;
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135 | h2 = (h ) % 10;
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136 | m1 = (m / 10) % 10;
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137 | m2 = (m ) % 10;
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138 | s1 = (s / 10) % 10;
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139 | s2 = (s ) % 10;
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140 | txt[0] = '0' + h1;
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141 | txt[1] = '0' + h2;
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142 | txt[2] = ':';
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143 | txt[3] = '0' + m1;
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144 | txt[4] = '0' + m2;
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145 | txt[5] = ':';
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146 | txt[6] = '0' + s1;
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147 | txt[7] = '0' + s2;
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148 | txt[8] = '\0'; //Strings: http://www.mikrocontroller.net/articles/String-Verarbeitung_in_C
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149 |
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150 | Lcd_Out(1, 1, txt);
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151 |
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152 | switch(wd){
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153 | case(1): {Lcd_Out(1,15,"Mo"); break;}
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154 | case(2): {Lcd_Out(1,15,"Di"); break;}
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155 | case(3): {Lcd_Out(1,15,"Mi"); break;}
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156 | case(4): {Lcd_Out(1,15,"Do"); break;}
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157 | case(5): {Lcd_Out(1,15,"Fr"); break;}
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158 | case(6): {Lcd_Out(1,15,"Sa"); break;}
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159 | case(7): {Lcd_Out(1,15,"So"); break;}
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160 | default: break;
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161 | }
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162 | Lcd_Cmd(_LCD_RETURN_HOME);
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163 | }while(1);
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164 | }
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