1 | //------------------------------------------------------------------------ Initialisierung -----------------------------------------------------------------------------------------------
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2 | //#include "pic16f877"
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3 | //#include <delay.h>
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4 | #include <htc.h>
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5 | #include <stdlib.h>
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6 | #include <stdio.h>
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7 | #include <string.h>
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8 | #define _XTAL_FREQ 32768 //Quarz Oszillator RTC
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9 | #define FOSC 32768ul
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10 |
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11 | //LCD Segments
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12 | //Digit1
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13 | #define D1A SEG0COM0
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14 | #define D1B SEG1COM0
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15 | #define D1C SEG2COM0
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16 | #define D1D SEG3COM0
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17 | #define D1E SEG4COM0
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18 | #define D1F SEG5COM0
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19 | #define D1G SEG6COM0
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20 | #define D1DOT SEG7COM0
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21 |
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22 | //Digit2
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23 | #define D2A SEG41COM0
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24 | #define D2B SEG16COM0
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25 | #define D2C SEG17COM0
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26 | #define D2D SEG18COM0
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27 | #define D2E SEG19COM0
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28 | #define D2F SEG20COM0
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29 | #define D2G SEG21COM0
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30 | #define D2DOT SEG22COM0
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31 |
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32 | //Digit3
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33 | #define D3A SEG23COM0
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34 | #define D3B SEG24COM0
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35 | #define D3C SEG25COM0
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36 | #define D3D SEG26COM0
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37 | #define D3E SEG27COM0
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38 | #define D3F SEG28COM0
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39 | #define D3G SEG29COM0
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40 | #define D3DOT SEG30COM0
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41 |
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42 | //Digit4
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43 | #define D4A SEG31COM0
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44 | #define D4B SEG32COM0
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45 | #define D4C SEG33COM0
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46 | #define D4D SEG34COM0
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47 | #define D4E SEG35COM0
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48 | #define D4F SEG36COM0
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49 | #define D4G SEG37COM0
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50 | #define D4DOT SEG38COM0
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51 |
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52 | #define COL SEG8COM0
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53 |
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54 | //Buttons
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55 | #define SW_mode RC5
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56 | #define SW_temp RC6
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57 | #define SW_down RC4
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58 | #define SW_up RB5
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59 |
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60 | //LED's
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61 | #define red RC1
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62 | #define green RC0
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63 | #define blue RD0
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64 |
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65 | //Prototyping
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66 |
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67 | //Time
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68 | unsigned char number=0;
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69 | unsigned char hour_high=0;
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70 | unsigned char hour_low=0;
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71 | unsigned char min_high=0;
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72 | unsigned char min_low=0;
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73 | unsigned char sec=0;
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74 | bit toggle =0;
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75 | unsigned char modify_digits=0;
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76 | unsigned char limit_digit2=0;
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77 |
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78 | unsigned char set_time=0;
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79 | unsigned char temp_set=0;
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80 |
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81 | void interrupt time(void);
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82 | void init(void);
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83 | void put_display(unsigned char digit1, unsigned char digit2, unsigned char digit3, unsigned char digit4);
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84 | void time_calculation(void);
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85 | void clear_all(void);
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86 | void read_temp(void);
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87 | void set_digits(void);
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88 |
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89 | unsigned char button_up(void);
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90 | unsigned char up_flag=0;
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91 | unsigned char status_up=0;
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92 | unsigned char button_down(void);
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93 | unsigned char down_flag=0;
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94 | unsigned char status_down=0;
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95 | unsigned char button_mode(void);
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96 | unsigned char mode_flag=0;
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97 | unsigned char status_mode=0;
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98 | unsigned char mode_pressed=0;
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99 |
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100 | int adc_value =0;
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101 | int temp_h=0;
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102 | int temp_l=0;
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103 | float temp=0;
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104 |
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105 | //-------------------------------------------------------------------------------- Main --------------------------------------------------------------------------------------------------
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106 |
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107 | main (void)
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108 | {
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109 |
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110 |
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111 | init();
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112 | put_display(0, 0, 0, 0);
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113 |
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114 | do
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115 | {
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116 | //SLEEP();
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117 | }while(1);
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118 | }
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119 |
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120 |
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121 | //--------------------------------------------------------------------------Interrupts --------------------------------------------------------------------------------------------------
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122 |
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123 | //--------------------------------------------------------------------------Timer1 Interrupt --------------------------------------------------------------------------------------------------
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124 | void interrupt time (void)
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125 | {
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126 | if(TMR1IF == 1)
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127 | {
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128 | GIE=0;
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129 | TMR1IE = 0;
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130 |
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131 | TMR1IF = 0;
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132 | TMR1H=224;
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133 | TMR1L=0;
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134 |
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135 | sec++;
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136 | COL = !COL;
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137 |
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138 | while(SW_temp == 1)
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139 | {
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140 | GIE=1;
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141 | TMR1IE = 1;
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142 | read_temp();
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143 | }
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144 |
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145 | if(SW_mode == 1) //Enter Clock SETUP
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146 | {
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147 | set_digits();
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148 | }
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149 | GIE=1;
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150 | TMR1IE = 1;
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151 | PEIE=1;
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152 | time_calculation();
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153 | put_display(hour_high, hour_low, min_high, min_low);
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154 | }
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155 |
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156 |
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157 | }
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158 |
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159 | //-------------------------------------------------------------------------- Funktionen --------------------------------------------------------------------------------------------------
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160 |
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161 | void init (void)
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162 |
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163 | {
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164 | //LCD initialisation
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165 |
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166 | LCDSE0 = 0b11111111; // SE<7:0>
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167 | LCDSE1 = 0b10000001; // SE<15:8>
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168 | LCDSE2 = 0b11111111; // SE<23:16>
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169 | LCDSE3 = 0b11111111; // SE<31:24>
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170 | LCDSE4 = 0b01111111; // SE<39:32>
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171 | LCDSE5 = 0b00000010; // SE<41:40>
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172 |
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173 | LCDCON = 0b10001000;
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174 | LCDPS = 0b10110000;
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175 | LCDDATA0 = 0;
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176 | LCDDATA1 = 0;
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177 | LCDDATA2 = 0;
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178 | LCDDATA3 = 0;
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179 | LCDDATA12 = 0;
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180 | LCDDATA13 = 0;
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181 | LCDDATA14 = 0;
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182 | COL = 0;
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183 |
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184 | //BUTTONS::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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185 | TRISC6=1;
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186 | TRISC5=1;
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187 | TRISC4=1;
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188 | TRISB5=1;
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189 |
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190 | //LED's::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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191 | TRISC1=0;
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192 | TRISC0=0;
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193 | TRISD0=0;
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194 | red = green = blue =0;
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195 |
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196 | // Timer1 Registers: Prescaler=1:1; TMR1 Preset=57344; Freq=1.00Hz; Period=1.00 s
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197 | T1CKPS1 = 0; // bits 5-4 Prescaler Rate Select bits
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198 | T1CKPS0 = 0; // bit 4
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199 |
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200 | T1OSCEN = 0; // bit 3 Timer1 Oscillator Enable Control: bit 1=on
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201 | T1SYNC = 1; // bit 2 Timer1 External Clock Input Synchronization Control bit:1=Do not synchronize external clock input
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202 | TMR1CS = 0; // bit 1 Timer1 Clock Source Select bit:0=Internal clock (FOSC/4) / 1 = External clock from pin T1CKI (on the rising edge)
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203 |
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204 | //T1GE =1; //Gate enable
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205 |
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206 | TMR1H = 0; // preset for timer1 MSB register
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207 | TMR1L = 0; // preset for timer1 LSB register
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208 |
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209 | TMR1IF=0;
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210 |
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211 | GIE = 1;
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212 | PEIE = 1;
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213 | TMR1IE = 1;
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214 |
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215 | TMR1H = 224; // preset for timer1 MSB register
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216 | TMR1L = 0; // preset for timer1 LSB register
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217 | TMR1ON = 1; // bit 0 enables timer
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218 |
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219 | //ADC Temperature::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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220 | TRISA1=1; //AN1 = Input
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221 | TRISA2=1; //AN2 = Input
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222 | ANSEL = 0b00000110; //AN1 and AN2 = Analog
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223 | ADCON0 = 0b10101000; //ADFM=1.RJ,Vref-=VSS,Vref+=PIN,AN2 select010, GODONE=0,ADON=A/D operrating statusbit
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224 | ADCON1 = 0b01000000; //Conversation time between 1.6us and 6.4us = FOSC/2 =(1/32768) = ~30us*2 =60us
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225 | ADRESH=0;
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226 | ADRESL=0;
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227 |
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228 | }
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229 |
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230 |
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231 | //TIME CALCULATION:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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232 | void time_calculation()
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233 | {
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234 |
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235 | if(sec > 59)
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236 | {
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237 | sec = 0;
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238 | min_low++;
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239 | }
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240 |
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241 | if(min_low > 9)
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242 | {
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243 | min_low=0;
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244 | min_high++;
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245 | }
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246 |
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247 | if(min_high > 5)
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248 | {
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249 | min_low=0;
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250 | hour_low++;
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251 | }
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252 | if(min_low > 9)
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253 | {
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254 | min_low=0;
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255 | min_high++;
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256 | }
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257 |
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258 | if( (hour_high >= 2) && (hour_low >= 4) )
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259 | {
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260 | hour_high=0;
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261 | hour_low=0;
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262 | min_high=0;
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263 | min_low=0;
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264 | sec=0;
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265 | }
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266 |
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267 |
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268 | }
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269 |
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270 | //READ_TEMPERATURE:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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271 | void read_temp(void)
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272 | {
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273 | green =1;
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274 | ADON=1; //enable ADC module
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275 | GO_DONE=1; //Start conversation
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276 | while(GO_DONE ==1); //Wait for complete conversation
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277 | temp_h = ADRESH;
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278 | temp_l = ADRESL;
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279 |
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280 | adc_value = ((temp_h<<8) | temp_l);
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281 | temp = ((adc_value*0.0024414)/0.023) ;
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282 | ADON=0;
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283 | temp_h = temp/10;
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284 | temp_l = temp-(temp_h*10);
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285 | clear_all();
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286 | put_display(temp_h, temp_l, '°','C' );
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287 | temp_h = temp_l =0;
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288 | ADON=0;
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289 | green=0;
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290 | }
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291 |
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292 | //SET_TIME::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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293 | void set_digits(void)
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294 | {
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295 | put_display('°', '°', '°', '°');
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296 | COL=1;
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297 | blue=1;
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298 | hour_high = hour_low = min_high = min_low = 0;
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299 | while(SW_mode ==1);
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300 |
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301 | do //DIGIT1
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302 | {
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303 | D1DOT=1;
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304 | if(button_up()==1)
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305 | {
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306 | if((hour_high>=0) && (hour_high <2))
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307 | {
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308 | hour_high++;
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309 | put_display(hour_high, '°', '°', '°');
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310 | }
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311 | }
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312 | if(button_down())
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313 | {
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314 | if((hour_high>0) && (hour_high <3))
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315 | {
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316 | hour_high--;
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317 | put_display(hour_high, '°', '°', '°');
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318 | }
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319 | }
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320 | }while(button_mode()==0);
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321 | if(hour_high == '°'){hour_high=0;}
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322 | put_display(hour_high, '°', '°', '°');
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323 | D1DOT=0;
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324 |
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325 | do //DIGIT2
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326 | {
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327 | D2DOT=1;
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328 | if(hour_high >=2)
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329 | {
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330 | limit_digit2 = 3;
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331 | }
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332 | else
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333 | {
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334 | limit_digit2 = 9;
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335 | }
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336 |
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337 | if(button_up()==1)
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338 | {
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339 | if((hour_low>=0) && (hour_low < limit_digit2)) //VARIABLE FOR <24:00
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340 | {
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341 | hour_low++;
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342 | put_display(hour_high, hour_low, '°', '°');
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343 | }
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344 | }
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345 | if(button_down())
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346 | {
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347 | if((hour_low>0) && (hour_low < limit_digit2+1))
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348 | {
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349 | hour_low--;
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350 | put_display(hour_high, hour_low, '°', '°');
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351 | }
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352 | }
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353 | }while(button_mode()==0);
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354 | if(hour_low == '°'){hour_low=0;}
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355 | put_display(hour_high, hour_low, '°', '°');
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356 | D2DOT=0;
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357 |
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358 | do //DIGIT3
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359 | {
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360 | D3DOT=1;
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361 | if(button_up()==1)
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362 | {
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363 | if((min_high>=0) && (min_high <5))
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364 | {
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365 | min_high++;
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366 | put_display(hour_high, hour_low, min_high, '°');
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367 | }
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368 | }
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369 | if(button_down())
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370 | {
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371 | if((min_high>0) && (min_high <6))
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372 | {
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373 | min_high--;
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374 | put_display(hour_high, hour_low, min_high, '°');
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375 | }
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376 | }
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377 | }while(button_mode()==0);
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378 | if(min_high == '°'){min_high=0;}
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379 | put_display(hour_high, hour_low, min_high, '°');
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380 | D3DOT=0;
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381 |
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382 | do //DIGIT4
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383 | {
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384 | if(button_up()==1)
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385 | {
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386 | if((min_low>=0) && (min_low <9))
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387 | {
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388 | min_low++;
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389 | put_display(hour_high, hour_low, min_high, min_low);
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390 | }
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391 | }
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392 | if(button_down())
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393 | {
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394 | if((min_low>0) && (min_low <10))
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395 | {
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396 | min_low--;
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397 | put_display(hour_high, hour_low, min_high, min_low);
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398 | }
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399 | }
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400 | }while(button_mode()==0);
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401 | if(min_high == '°'){min_high=0;}
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402 | put_display(hour_high, hour_low, min_high, min_low);
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403 |
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404 | blue=0;
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405 | sec=0;
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406 | }
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407 |
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408 | //DISPLAY:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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409 |
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410 | void put_display(unsigned char digit1, unsigned char digit2, unsigned char digit3, unsigned char digit4)
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411 | {
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412 |
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413 | D1A = D1B = D1C = D1D = D1E = D1F = D1G = 0; //LÖSCHEN
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414 | switch(digit1)
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415 | {
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416 |
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417 | case 0:
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418 | D1A = D1B = D1C = D1D = D1E = D1F = 1;
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419 | break;
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420 | case 1:
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421 | D1B = D1C = 1; // these pixal defination are in the lcdmap.h you may need to chage them according to you lcd pins and pixal allignment
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422 | break;
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423 | case 2:
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424 | D1A = D1B = D1G = D1E = D1D = 1;
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425 | break;
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426 | case 3:
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427 | D1A = D1B = D1G = D1C = D1D = 1;
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428 | break;
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429 | case 4:
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430 | D1F = D1G = D1B = D1C = 1;
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431 | break;
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432 | case 5:
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433 | D1A = D1F = D1G = D1C = D1D = 1;
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434 | break;
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435 | case 6:
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436 | D1A = D1F = D1E = D1D = D1C = D1G = 1;
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437 | break;
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438 | case 7:
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439 | D1A = D1B = D1C = 1;
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440 | break;
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441 | case 8:
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442 | D1A = D1B = D1C = D1D = D1E = D1F = D1G = 1;
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443 | break;
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444 | case 9:
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445 | D1A = D1B = D1C = D1D = D1F = D1G = 1;
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446 | break;
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447 | case '°':
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448 | D1A = D1B = D1F = D1G = 1;
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449 | break;
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450 | case 'C':
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451 | D1A = D1D = D1E = D1F = 1;
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452 | break;
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453 | }
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454 |
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455 |
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456 | D2A = D2B = D2C = D2D = D2E = D2F = D2G = 0; //LÖSCHEN
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457 | switch(digit2)
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458 | {
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459 | case 0:
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460 | D2A = D2B = D2C = D2D = D2E = D2F = 1;
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461 | break;
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462 | case 1:
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463 | D2B = D2C = 1; // these pixal defination are in the lcdmap.h you may need to chage them according to you lcd pins and pixal allignment
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464 | break;
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465 | case 2:
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466 | D2A = D2B = D2G = D2E = D2D = 1;
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467 | break;
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468 | case 3:
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469 | D2A = D2B = D2G = D2C = D2D = 1;
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470 | break;
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471 | case 4:
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472 | D2F = D2G = D2B = D2C = 1;
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473 | break;
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474 | case 5:
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475 | D2A = D2F = D2G = D2C = D2D = 1;
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476 | break;
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477 | case 6:
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478 | D2A = D2F = D2E = D2D = D2C = D2G = 1;
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479 | break;
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480 | case 7:
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481 | D2A = D2B = D2C = 1;
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482 | break;
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483 | case 8:
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484 | D2A = D2B = D2C = D2D = D2E = D2F = D2G = 1;
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485 | break;
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486 | case 9:
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487 | D2A = D2B = D2C = D2D = D2F = D2G = 1;
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488 | break;
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489 | case '°':
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490 | D2A = D2B = D2F = D2G = 1;
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491 | break;
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492 | case 'C':
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493 | D2A = D2D = D2E = D2F = 1;
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494 | break;
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495 | }
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496 |
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497 | D3A = D3B = D3C = D3D = D3E = D3F = D3G = 0; //LÖSCHEN
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498 | switch(digit3)
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499 | {
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500 | case 0:
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501 | D3A = D3B = D3C = D3D = D3E = D3F = 1;
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502 | break;
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503 | case 1:
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504 | D3B = D3C = 1; // these pixal defination are in the lcdmap.h you may need to chage them according to you lcd pins and pixal allignment
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505 | break;
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506 | case 2:
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507 | D3A = D3B = D3G = D3E = D3D = 1;
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508 | break;
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509 | case 3:
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510 | D3A = D3B = D3G = D3C = D3D = 1;
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511 | break;
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512 | case 4:
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513 | D3F = D3G = D3B = D3C = 1;
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514 | break;
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515 | case 5:
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516 | D3A = D3F = D3G = D3C = D3D = 1;
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517 | break;
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518 | case 6:
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519 | D3A = D3F = D3E = D3D = D3C = D3G = 1;
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520 | break;
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521 | case 7:
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522 | D3A = D3B = D3C = 1;
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523 | break;
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524 | case 8:
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525 | D3A = D3B = D3C = D3D = D3E = D3F = D3G = 1;
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526 | break;
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527 | case 9:
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528 | D3A = D3B = D3C = D3D = D3F = D3G = 1;
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529 | break;
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530 | case '°':
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531 | D3A = D3B = D3F = D3G = 1;
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532 | break;
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533 | case 'C':
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534 | D3A = D3D = D3E = D3F = 1;
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535 | break;
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536 | }
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537 | D4A = D4B = D4C = D4D = D4E = D4F = D4G = 0; //LÖSCHEN
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538 | switch(digit4)
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539 | {
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540 | case 0:
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541 | D4A = D4B = D4C = D4D = D4E = D4F = 1;
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542 | break;
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543 | case 1:
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544 | D4B = D4C = 1; // these pixal defination are in the lcdmap.h you may need to chage them according to you lcd pins and pixal allignment
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545 | break;
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546 | case 2:
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547 | D4A = D4B = D4G = D4E = D4D = 1;
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548 | break;
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549 | case 3:
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550 | D4A = D4B = D4G = D4C = D4D = 1;
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551 | break;
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552 | case 4:
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553 | D4F = D4G = D4B = D4C = 1;
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554 | break;
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555 | case 5:
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556 | D4A = D4F = D4G = D4C = D4D = 1;
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557 | break;
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558 | case 6:
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559 | D4A = D4F = D4E = D4D = D4C = D4G = 1;
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560 | break;
|
561 | case 7:
|
562 | D4A = D4B = D4C = 1;
|
563 | break;
|
564 | case 8:
|
565 | D4A = D4B = D4C = D4D = D4E = D4F = D4G = 1;
|
566 | break;
|
567 | case 9:
|
568 | D4A = D4B = D4C = D4D = D4F = D4G = 1;
|
569 | break;
|
570 | case '°':
|
571 | D4A = D4B = D4F = D4G = 1;
|
572 | break;
|
573 | case 'C':
|
574 | D4A = D4D = D4E = D4F = 1;
|
575 | break;
|
576 | }
|
577 |
|
578 | }
|
579 |
|
580 | void clear_all(void)
|
581 | {
|
582 | LCDDATA0 = 0;
|
583 | LCDDATA1 = 0;
|
584 | LCDDATA2 = 0;
|
585 | LCDDATA3 = 0;
|
586 | LCDDATA12 = 0;
|
587 | LCDDATA13 = 0;
|
588 | LCDDATA14 = 0;
|
589 | }
|
590 |
|
591 | unsigned char button_up(void)
|
592 | {
|
593 | if(SW_up == 1)
|
594 | {
|
595 | up_flag=1;
|
596 | }
|
597 | status_up=0;
|
598 | if((SW_up==0) && (up_flag==1))
|
599 | {
|
600 | up_flag =0;
|
601 | status_up=1;
|
602 | }
|
603 | return (status_up);
|
604 | }
|
605 |
|
606 | unsigned char button_down(void)
|
607 | {
|
608 | if(SW_down == 1)
|
609 | {
|
610 | down_flag=1;
|
611 | }
|
612 | status_down=0;
|
613 | if((SW_down==0) && (down_flag==1))
|
614 | {
|
615 | down_flag =0;
|
616 | status_down=1;
|
617 | }
|
618 | return (status_down);
|
619 | }
|
620 |
|
621 | unsigned char button_mode(void)
|
622 | {
|
623 | if(SW_mode == 1)
|
624 | {
|
625 | mode_flag=1;
|
626 | }
|
627 | status_mode=0;
|
628 | if((SW_mode==0) && (mode_flag==1))
|
629 | {
|
630 | mode_flag =0;
|
631 | status_mode=1;
|
632 | }
|
633 | return (status_mode);
|
634 | }
|
635 |
|
636 |
|
637 | //EXAMPLE::::::::::::::::::::::::::::::::::::::::::::::::::::::
|
638 | //GIE=0; // LED's überprüfen
|
639 | //
|
640 | //if(SW_mode==1)
|
641 | //{
|
642 | //green=1;
|
643 | //}
|
644 | //else{green=0;}
|
645 | //if(SW_down==1)
|
646 | //{
|
647 | //red=1;
|
648 | //}else{red=0;}
|
649 | //if(SW_up==1)
|
650 | //{
|
651 | //blue=1;
|
652 | //}else{blue=0;}
|