1 | //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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2 | //:::Jan Coray:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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3 | //:::ESCATEC Switzerland:::::::::::::::::::::::::::::::::::::::::::::::::::
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4 | //:::Projektarbeit RTC UHR:::::::::::::::::::::::::::::::::::::::::::::::::
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5 | //:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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6 |
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7 | #include "pic16f946.h"
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8 | #include <htc.h>
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9 | #include <stdlib.h>
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10 | #include <stdio.h>
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11 | #include <string.h>
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12 |
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13 | //Configurations
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14 | #define _XTAL_FREQ 32768 //Quarz Oszillator RTC
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15 | #define FOSC 32768ul
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16 | #define FOSC_LP
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17 | #define PWRTE_OFF
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18 | #define MCLRE_ON
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19 | #define BOREN_OFF
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20 |
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21 |
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22 | //LCD Segments
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23 | //Digit1
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24 | #define D1A SEG0COM0
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25 | #define D1B SEG1COM0
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26 | #define D1C SEG2COM0
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27 | #define D1D SEG3COM0
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28 | #define D1E SEG4COM0
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29 | #define D1F SEG5COM0
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30 | #define D1G SEG6COM0
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31 | #define D1DOT SEG40COM0
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32 |
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33 | //Digit2
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34 | #define D2A SEG41COM0
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35 | #define D2B SEG16COM0
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36 | #define D2C SEG17COM0
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37 | #define D2D SEG18COM0
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38 | #define D2E SEG19COM0
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39 | #define D2F SEG20COM0
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40 | #define D2G SEG21COM0
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41 | #define D2DOT SEG22COM0
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42 |
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43 | //Digit3
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44 | #define D3A SEG23COM0
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45 | #define D3B SEG24COM0
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46 | #define D3C SEG25COM0
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47 | #define D3D SEG26COM0
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48 | #define D3E SEG27COM0
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49 | #define D3F SEG28COM0
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50 | #define D3G SEG29COM0
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51 | #define D3DOT SEG30COM0
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52 |
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53 | //Digit4
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54 | #define D4A SEG31COM0
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55 | #define D4B SEG32COM0
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56 | #define D4C SEG33COM0
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57 | #define D4D SEG34COM0
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58 | #define D4E SEG35COM0
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59 | #define D4F SEG36COM0
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60 | #define D4G SEG37COM0
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61 | #define D4DOT SEG38COM0
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62 |
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63 | #define COL SEG8COM0 // double point
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64 |
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65 | //Buttons
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66 | #define SW_mode RC5
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67 | #define SW_temp RC6
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68 | #define SW_down RC4
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69 | #define SW_up RB5
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70 |
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71 | //LED's
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72 | #define red RC1
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73 | #define green RC0
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74 | #define blue RD0
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75 |
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76 | //MOSFET enable N chanel
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77 | #define temp_enable RD2
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78 |
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79 | //Testpoint
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80 | #define TP2 RD1
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81 |
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82 | //PROTOTYPES VARIABLES
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83 |
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84 | //Time
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85 | unsigned char number=0;
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86 | unsigned char hour_high=0;
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87 | unsigned char hour_low=0;
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88 | unsigned char min_high=0;
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89 | unsigned char min_low=0;
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90 | unsigned char sec=0;
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91 | bit toggle =0;
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92 | unsigned char modify_digits=0;
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93 | unsigned char limit_digit2=0;
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94 |
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95 | //Stopwatch
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96 | unsigned char stop_min_high=0;
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97 | unsigned char stop_min_low=0;
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98 | unsigned char stop_sec_high=0;
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99 | unsigned char stop_sec_low=0;
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100 | bit start_flag=0;
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101 | bit break_flag=0;
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102 | bit stop_flag=0;
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103 |
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104 | //Temperature
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105 | unsigned char set_time=0;
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106 | unsigned char temp_set=0;
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107 | int adc_value =0;
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108 | int temp_h=0;
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109 | int temp_l=0;
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110 | float temp=0;
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111 |
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112 | //Buttons
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113 | unsigned char down_flag=0;
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114 | unsigned char status_down=0;
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115 | unsigned char up_flag=0;
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116 | unsigned char status_up=0;
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117 | unsigned char mode_flag=0;
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118 | unsigned char status_mode=0;
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119 | unsigned char mode_pressed=0;
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120 |
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121 | //PROTOTYPES FUNCTIONS
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122 |
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123 | void interrupt time(void);
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124 | void init(void);
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125 | void put_display(unsigned char digit1, unsigned char digit2, unsigned char digit3, unsigned char digit4);
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126 | void time_calculation(void);
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127 | void clear_all(void);
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128 | void read_temp(void);
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129 | void set_digits(void);
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130 | void stop_watch(void);
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131 |
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132 |
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133 | unsigned char button_up(void);
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134 | unsigned char button_down(void);
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135 | unsigned char button_mode(void);
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136 |
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137 | //-------------------------------------------------------------------------------- Main --------------------------------------------------------------------------------------------------
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138 |
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139 | main (void)
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140 | {
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141 | init();
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142 |
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143 | do
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144 | {
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145 | D1DOT=D2DOT=D3DOT=0;
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146 | SLEEP();
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147 | NOP();
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148 | NOP();
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149 | }while(1);
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150 | }
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151 |
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152 |
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153 | //--------------------------------------------------------------------------Interrupts --------------------------------------------------------------------------------------------------
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154 |
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155 | //--------------------------------------------------------------------------Timer1 Interrupt --------------------------------------------------------------------------------------------------
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156 | void interrupt time (void)
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157 | {
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158 | if(TMR1IF == 1)
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159 | {
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160 | GIE=0;
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161 | TMR1IE = 0;
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162 | TMR1IF = 0;
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163 | TMR1H=128;
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164 | D1DOT=D2DOT=D3DOT=0;
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165 | sec++; // count seconds
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166 |
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167 | TP2 = !TP2;
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168 | COL = !COL;
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169 |
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170 | while(SW_temp == 1)
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171 | {
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172 | GIE=1;
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173 | TMR1IE = 1;
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174 | read_temp();
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175 | }
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176 |
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177 | if(SW_mode == 1) //Enter Clock SETUP
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178 | {
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179 | set_digits();
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180 | }
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181 |
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182 |
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183 | if((SW_up==1) || (stop_flag==1)) //Enter Stopwatch
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184 | {
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185 | stop_watch();
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186 | }
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187 | else
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188 | {
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189 | put_display(hour_high, hour_low, min_high, min_low);
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190 | }
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191 |
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192 | time_calculation();
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193 | blue=green=blue=0;
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194 | GIE=1; // Activate Interrupts
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195 | TMR1IE = 1;
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196 | PEIE=1;
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197 | }
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198 |
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199 |
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200 | }
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201 |
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202 | //-------------------------------------------------------------------------- Funktionen --------------------------------------------------------------------------------------------------
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203 |
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204 | void init (void)
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205 |
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206 | {
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207 | OSCCON = 0b1010111; //1MHZ INTOSC Oscillator
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208 |
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209 | //LCD initialisation::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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210 | LCDSE0 = 0b11111111; // SE<7:0>
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211 | LCDSE1 = 0b10000001; // SE<15:8>
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212 | LCDSE2 = 0b11111111; // SE<23:16>
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213 | LCDSE3 = 0b11111111; // SE<31:24>
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214 | LCDSE4 = 0b11111111; // SE<39:32>
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215 | LCDSE5 = 0b00000011; // SE<41:40>
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216 |
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217 | LCDCON = 0b10001100; // 270Hz LCD Freqency LFINTOSC
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218 | LCDPS = 0b10110000; // Prescaler 1:1, Waveform B, Static mode
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219 | SLPEN = 0; // enable drive in sleep mode
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220 | LCDIE =1; // LCD INTERRUpt
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221 |
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222 | LCDDATA0 = 0; // Clear all segments
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223 | LCDDATA1 = 0;
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224 | LCDDATA2 = 0;
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225 | LCDDATA3 = 0;
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226 | LCDDATA12 = 0;
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227 | LCDDATA13 = 0;
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228 | LCDDATA14 = 0;
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229 | COL = 0;
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230 |
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231 | //BUTTONS::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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232 | TRISC6=1; // SW_temp Input
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233 | TRISC5=1; // SW_mode Input
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234 | TRISC4=1; // SW_down Input
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235 | TRISB5=1; // SW_up Input
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236 |
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237 | //MOSFET enable N chanel
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238 | TRISD2 = 0; // TRISTATE
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239 | temp_enable = 1;
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240 |
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241 | //Testpoint
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242 | TRISD1 = 0; // TP2 Toggle PIN
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243 | TRISA1 = 1; // TP1 VDD
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244 |
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245 |
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246 | //LED's::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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247 | TRISC1=0; // red LED
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248 | TRISC0=0; // green LED
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249 | TRISD0=0; // blue LED
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250 | red = green = blue =0;
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251 |
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252 | // Timer1 Registers: Prescaler=1:1; TMR1 Preset=57344; Freq=1.00Hz; Period=1.00 s
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253 | T1CKPS1 = 0; // bits 5-4 Prescaler Rate Select bits
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254 | T1CKPS0 = 0; // bit 4
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255 |
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256 | T1OSCEN = 1; // bit 3 Timer1 Oscillator Enable Control: bit 1=on
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257 | T1SYNC = 1; // bit 2 Timer1 External Clock Input Synchronization Control bit:1=Do not synchronize external clock input
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258 | TMR1CS = 1; // 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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259 |
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260 | TMR1H = 0; // preset for timer1 MSB register
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261 | TMR1L = 0; // preset for timer1 LSB register
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262 |
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263 | TMR1IF=0;
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264 |
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265 | GIE = 1;
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266 | PEIE = 1;
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267 | TMR1IE = 1;
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268 |
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269 | TMR1H = 128; // preset for timer1 MSB register 224 for 32k/4
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270 | //TMR1L = 45; // preset for timer1 LSB register
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271 | TMR1ON = 1; // bit 0 enables timer
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272 |
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273 | //ADC Temperature::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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274 | TRISA1=1; //AN1 = Input
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275 | TRISA2=1; //AN2 = Input
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276 | ANSEL = 0b00000110; //AN1 and AN2 = Analog
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277 | ADCON0 = 0b10101000; //ADFM=1.RJ,Vref-=VSS,Vref+=PIN,AN2 select010, GODONE=0,ADON=A/D operrating statusbit
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278 | ADCON1 = 0b10000000; //Conversation time between 1.6us and 6.4us = FOSC/2 =(1/32768) = ~30us*2 =60us
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279 | ADRESH=0;
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280 | ADRESL=0;
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281 |
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282 | //SHOW 00:00 ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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283 | put_display(0, 0, 0, 0);
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284 |
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285 | }
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286 |
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287 | //TIME CALCULATION:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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288 | void time_calculation()
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289 | {
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290 |
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291 | if(sec > 59)
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292 | {
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293 | sec = 0;
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294 | min_low++;
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295 | }
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296 |
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297 | if(min_low > 9)
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298 | {
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299 | min_low=0;
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300 | min_high++;
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301 | }
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302 |
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303 | if(min_high > 5)
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304 | {
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305 | min_high=0;
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306 | hour_low++;
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307 | }
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308 | if(hour_low > 9)
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309 | {
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310 | hour_low=0;
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311 | hour_high++;
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312 | }
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313 |
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314 | if( (hour_high >= 2) && (hour_low >= 4) )
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315 | {
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316 | hour_high=0;
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317 | hour_low=0;
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318 | min_high=0;
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319 | min_low=0;
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320 | sec=0;
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321 | }
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322 |
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323 |
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324 | }
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325 |
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326 | //READ_TEMPERATURE:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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327 | void read_temp(void)
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328 | {
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329 | TRISD2=0;
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330 | temp_enable=0; //N-MOS enable
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331 | ADCON0 = 0b10101000; //ADFM=1.RJ,Vref-=VSS,Vref+=PIN,AN2 select010, GODONE=0,ADON=A/D operrating statusbit
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332 | green =1;
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333 | ADON=1; //enable ADC module
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334 | GO_DONE=1; //Start conversation
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335 | while(GO_DONE ==1); //Wait for complete conversation
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336 | temp_h = ADRESH;
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337 | temp_l = ADRESL;
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338 |
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339 | adc_value = ((temp_h<<8) | temp_l);
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340 | temp = ((adc_value*0.00244)/0.021) ; // Optimation0.0024414)/0.023)
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341 | ADON=0;
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342 | temp_h = temp/10;
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343 | temp_l = temp-(temp_h*10);
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344 | clear_all();
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345 | put_display(temp_h, temp_l, '°','C' );
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346 | temp_h = temp_l =0;
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347 | ADON=0;
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348 | green=0;
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349 | temp_enable=1;
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350 | //TRISD2=1; //TRISTATE N-MOS disable
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351 | }
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352 |
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353 | //SET_TIME::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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354 | void set_digits(void)
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355 | {
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356 | put_display('°', '°', '°', '°');
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357 | COL=1;
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358 | blue=1;
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359 | hour_high = hour_low = min_high = min_low = 0;
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360 | while(SW_mode ==1);
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361 |
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362 | do //DIGIT1
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363 | {
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364 | D1DOT=1;
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365 | if(button_up()==1)
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366 | {
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367 | if((hour_high>=0) && (hour_high <2))
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368 | {
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369 | hour_high++;
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370 | put_display(hour_high, '°', '°', '°');
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371 | }
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372 | }
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373 | if(button_down())
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374 | {
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375 | if((hour_high>0) && (hour_high <3))
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376 | {
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377 | hour_high--;
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378 | put_display(hour_high, '°', '°', '°');
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379 | }
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380 | }
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381 | }while(button_mode()==0);
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382 | if(hour_high == '°'){hour_high=0;}
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383 | put_display(hour_high, '°', '°', '°');
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384 | D1DOT=0;
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385 |
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386 | do //DIGIT2
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387 | {
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388 | D2DOT=1;
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389 | if(hour_high >=2)
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390 | {
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391 | limit_digit2 = 3;
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392 | }
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393 | else
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394 | {
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395 | limit_digit2 = 9;
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396 | }
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397 |
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398 | if(button_up()==1)
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399 | {
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400 | if((hour_low>=0) && (hour_low < limit_digit2)) //VARIABLE FOR <24:00
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401 | {
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402 | hour_low++;
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403 | put_display(hour_high, hour_low, '°', '°');
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404 | }
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405 | }
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406 | if(button_down())
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407 | {
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408 | if((hour_low>0) && (hour_low < limit_digit2+1))
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409 | {
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410 | hour_low--;
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411 | put_display(hour_high, hour_low, '°', '°');
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412 | }
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413 | }
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414 | }while(button_mode()==0);
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415 | if(hour_low == '°'){hour_low=0;}
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416 | put_display(hour_high, hour_low, '°', '°');
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417 | D2DOT=0;
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418 |
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419 | do //DIGIT3
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420 | {
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421 | D3DOT=1;
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422 | if(button_up()==1)
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423 | {
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424 | if((min_high>=0) && (min_high <5))
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425 | {
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426 | min_high++;
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427 | put_display(hour_high, hour_low, min_high, '°');
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428 | }
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429 | }
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430 | if(button_down())
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431 | {
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432 | if((min_high>0) && (min_high <6))
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433 | {
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434 | min_high--;
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435 | put_display(hour_high, hour_low, min_high, '°');
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436 | }
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437 | }
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438 | }while(button_mode()==0);
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439 | if(min_high == '°'){min_high=0;}
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440 | put_display(hour_high, hour_low, min_high, '°');
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441 | D3DOT=0;
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442 |
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443 | do //DIGIT4
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444 | {
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445 | if(button_up()==1)
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446 | {
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447 | if((min_low>=0) && (min_low <9))
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448 | {
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449 | min_low++;
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450 | put_display(hour_high, hour_low, min_high, min_low);
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451 | }
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452 | }
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453 | if(button_down())
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454 | {
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455 | if((min_low>0) && (min_low <10))
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456 | {
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457 | min_low--;
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458 | put_display(hour_high, hour_low, min_high, min_low);
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459 | }
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460 | }
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461 | }while(button_mode()==0);
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462 | if(min_high == '°'){min_high=0;}
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463 | put_display(hour_high, hour_low, min_high, min_low);
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464 |
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465 | blue=0;
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466 | sec=0;
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467 | }
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468 |
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469 | //STOP_WATCH:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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470 | void stop_watch(void)
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471 | {
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472 | stop_flag =1;
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473 | red=1;
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474 | while( (SW_up==1) && (start_flag ==0)); //WAIT for start press
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475 | while( (button_up()==0) && (start_flag ==0));
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476 | start_flag=1;
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477 | red=0;
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478 | green=1;
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479 |
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480 | if(SW_up==1)
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481 | {
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482 | red=1;
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483 | break_flag=1;
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484 | }
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485 |
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486 | if(break_flag==0)
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487 | {
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488 | stop_sec_low++;
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489 | }
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490 | else
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491 | {
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492 | COL=1;
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493 | red=1;
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494 | green=0;
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495 |
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496 | if(SW_down==1)
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497 | {
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498 | stop_sec_high = stop_sec_low = stop_min_high = stop_min_low = 0;
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499 | break_flag=0;
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500 | }
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501 | }
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502 |
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503 |
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504 |
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505 | if(stop_sec_low > 9)
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506 | {
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507 | stop_sec_low=0;
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508 | stop_sec_high++;
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509 | }
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510 | if(stop_sec_high > 5)
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511 | {
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512 | stop_sec_high=0;
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513 | stop_min_low++;
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514 | }
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515 | if(stop_min_low > 9)
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516 | {
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517 | stop_min_low=0;
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518 | stop_min_high++;
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519 | }
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520 | if(stop_min_high > 5)
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521 | {
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522 | stop_sec_high = stop_sec_low = stop_min_high = stop_min_low = 0;
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523 | }
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524 |
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525 |
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526 |
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527 | put_display(stop_min_high, stop_min_low, stop_sec_high, stop_sec_low);
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528 |
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529 |
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530 |
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531 |
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532 | if ( (SW_up==1) && (SW_down==1) ) //FINISH STOP WATCH //(SW_up==1) && (SW_down==1)) //FINISH STOP WATCH
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533 | {
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534 | blue=1;
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535 | stop_flag=0;
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536 | red = green =0;
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537 | start_flag=0;
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538 | while((SW_up==1) && (SW_down==1));
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539 | blue=0;
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540 | }
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541 |
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542 | }
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543 |
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544 | //DISPLAY:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
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545 |
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546 | void put_display(unsigned char digit1, unsigned char digit2, unsigned char digit3, unsigned char digit4)
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547 | {
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548 |
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549 | D1A = D1B = D1C = D1D = D1E = D1F = D1G = 0; //Clear
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550 | switch(digit1)
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551 | {
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552 | case 0:
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553 | D1A = D1B = D1C = D1D = D1E = D1F = 1;
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554 | break;
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555 | case 1:
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556 | D1B = D1C = 1;
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557 | break;
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558 | case 2:
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559 | D1A = D1B = D1G = D1E = D1D = 1;
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560 | break;
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561 | case 3:
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562 | D1A = D1B = D1G = D1C = D1D = 1;
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563 | break;
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564 | case 4:
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565 | D1F = D1G = D1B = D1C = 1;
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566 | break;
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567 | case 5:
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568 | D1A = D1F = D1G = D1C = D1D = 1;
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569 | break;
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570 | case 6:
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571 | D1A = D1F = D1E = D1D = D1C = D1G = 1;
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572 | break;
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573 | case 7:
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574 | D1A = D1B = D1C = 1;
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575 | break;
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576 | case 8:
|
577 | D1A = D1B = D1C = D1D = D1E = D1F = D1G = 1;
|
578 | break;
|
579 | case 9:
|
580 | D1A = D1B = D1C = D1D = D1F = D1G = 1;
|
581 | break;
|
582 | case '°':
|
583 | D1A = D1B = D1F = D1G = 1;
|
584 | break;
|
585 | case 'C':
|
586 | D1A = D1D = D1E = D1F = 1;
|
587 | break;
|
588 | }
|
589 |
|
590 |
|
591 | D2A = D2B = D2C = D2D = D2E = D2F = D2G = 0; //Clear
|
592 | switch(digit2)
|
593 | {
|
594 | case 0:
|
595 | D2A = D2B = D2C = D2D = D2E = D2F = 1;
|
596 | break;
|
597 | case 1:
|
598 | D2B = D2C = 1;
|
599 | break;
|
600 | case 2:
|
601 | D2A = D2B = D2G = D2E = D2D = 1;
|
602 | break;
|
603 | case 3:
|
604 | D2A = D2B = D2G = D2C = D2D = 1;
|
605 | break;
|
606 | case 4:
|
607 | D2F = D2G = D2B = D2C = 1;
|
608 | break;
|
609 | case 5:
|
610 | D2A = D2F = D2G = D2C = D2D = 1;
|
611 | break;
|
612 | case 6:
|
613 | D2A = D2F = D2E = D2D = D2C = D2G = 1;
|
614 | break;
|
615 | case 7:
|
616 | D2A = D2B = D2C = 1;
|
617 | break;
|
618 | case 8:
|
619 | D2A = D2B = D2C = D2D = D2E = D2F = D2G = 1;
|
620 | break;
|
621 | case 9:
|
622 | D2A = D2B = D2C = D2D = D2F = D2G = 1;
|
623 | break;
|
624 | case '°':
|
625 | D2A = D2B = D2F = D2G = 1;
|
626 | break;
|
627 | case 'C':
|
628 | D2A = D2D = D2E = D2F = 1;
|
629 | break;
|
630 | }
|
631 |
|
632 | D3A = D3B = D3C = D3D = D3E = D3F = D3G = 0; //Clear
|
633 | switch(digit3)
|
634 | {
|
635 | case 0:
|
636 | D3A = D3B = D3C = D3D = D3E = D3F = 1;
|
637 | break;
|
638 | case 1:
|
639 | D3B = D3C = 1;
|
640 | break;
|
641 | case 2:
|
642 | D3A = D3B = D3G = D3E = D3D = 1;
|
643 | break;
|
644 | case 3:
|
645 | D3A = D3B = D3G = D3C = D3D = 1;
|
646 | break;
|
647 | case 4:
|
648 | D3F = D3G = D3B = D3C = 1;
|
649 | break;
|
650 | case 5:
|
651 | D3A = D3F = D3G = D3C = D3D = 1;
|
652 | break;
|
653 | case 6:
|
654 | D3A = D3F = D3E = D3D = D3C = D3G = 1;
|
655 | break;
|
656 | case 7:
|
657 | D3A = D3B = D3C = 1;
|
658 | break;
|
659 | case 8:
|
660 | D3A = D3B = D3C = D3D = D3E = D3F = D3G = 1;
|
661 | break;
|
662 | case 9:
|
663 | D3A = D3B = D3C = D3D = D3F = D3G = 1;
|
664 | break;
|
665 | case '°':
|
666 | D3A = D3B = D3F = D3G = 1;
|
667 | break;
|
668 | case 'C':
|
669 | D3A = D3D = D3E = D3F = 1;
|
670 | break;
|
671 | }
|
672 | D4A = D4B = D4C = D4D = D4E = D4F = D4G = 0; //Clear
|
673 | switch(digit4)
|
674 | {
|
675 | case 0:
|
676 | D4A = D4B = D4C = D4D = D4E = D4F = 1;
|
677 | break;
|
678 | case 1:
|
679 | D4B = D4C = 1;
|
680 | break;
|
681 | case 2:
|
682 | D4A = D4B = D4G = D4E = D4D = 1;
|
683 | break;
|
684 | case 3:
|
685 | D4A = D4B = D4G = D4C = D4D = 1;
|
686 | break;
|
687 | case 4:
|
688 | D4F = D4G = D4B = D4C = 1;
|
689 | break;
|
690 | case 5:
|
691 | D4A = D4F = D4G = D4C = D4D = 1;
|
692 | break;
|
693 | case 6:
|
694 | D4A = D4F = D4E = D4D = D4C = D4G = 1;
|
695 | break;
|
696 | case 7:
|
697 | D4A = D4B = D4C = 1;
|
698 | break;
|
699 | case 8:
|
700 | D4A = D4B = D4C = D4D = D4E = D4F = D4G = 1;
|
701 | break;
|
702 | case 9:
|
703 | D4A = D4B = D4C = D4D = D4F = D4G = 1;
|
704 | break;
|
705 | case '°':
|
706 | D4A = D4B = D4F = D4G = 1;
|
707 | break;
|
708 | case 'C':
|
709 | D4A = D4D = D4E = D4F = 1;
|
710 | break;
|
711 | }
|
712 |
|
713 | }
|
714 |
|
715 | void clear_all(void)
|
716 | {
|
717 | LCDDATA0 = 0;
|
718 | LCDDATA1 = 0;
|
719 | LCDDATA2 = 0;
|
720 | LCDDATA3 = 0;
|
721 | LCDDATA12 = 0;
|
722 | LCDDATA13 = 0;
|
723 | LCDDATA14 = 0;
|
724 | }
|
725 |
|
726 | unsigned char button_up(void)
|
727 | {
|
728 | if(SW_up == 1)
|
729 | {
|
730 | up_flag=1;
|
731 | }
|
732 | status_up=0;
|
733 | if((SW_up==0) && (up_flag==1))
|
734 | {
|
735 | up_flag =0;
|
736 | status_up=1;
|
737 | }
|
738 | return (status_up);
|
739 | }
|
740 |
|
741 | unsigned char button_down(void)
|
742 | {
|
743 | if(SW_down == 1)
|
744 | {
|
745 | down_flag=1;
|
746 | }
|
747 | status_down=0;
|
748 | if((SW_down==0) && (down_flag==1))
|
749 | {
|
750 | down_flag =0;
|
751 | status_down=1;
|
752 | }
|
753 | return (status_down);
|
754 | }
|
755 |
|
756 | unsigned char button_mode(void)
|
757 | {
|
758 | if(SW_mode == 1)
|
759 | {
|
760 | mode_flag=1;
|
761 | }
|
762 | status_mode=0;
|
763 | if((SW_mode==0) && (mode_flag==1))
|
764 | {
|
765 | mode_flag =0;
|
766 | status_mode=1;
|
767 | }
|
768 | return (status_mode);
|
769 | }
|
770 |
|
771 |
|
772 | //EXAMPLE::::::::::::::::::::::::::::::::::::::::::::::::::::::
|
773 | //GIE=0; // LED's überprüfen
|
774 | //
|
775 | //if(SW_mode==1)
|
776 | //{
|
777 | //green=1;
|
778 | //}
|
779 | //else{green=0;}
|
780 | //if(SW_down==1)
|
781 | //{
|
782 | //red=1;
|
783 | //}else{red=0;}
|
784 | //if(SW_up==1)
|
785 | //{
|
786 | //blue=1;
|
787 | //}else{blue=0;}
|