1 | #include <avr/io.h>
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2 | #include <avr/eeprom.h>
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3 | #include <avr/interrupt.h>
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4 |
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5 | #include "Kam54g10_menueOSD.h"
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6 | #include "Kam54g10_usart.h"
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7 | #include "Kam54g10_CRC.h"
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8 |
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9 | //Zoom routine--------------
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10 | #define BYTES_IN_COMMAND 19
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11 | #define NR_ZOOM_COMMAND 655
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12 |
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13 | static unsigned short crc_16;
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14 | static unsigned int ADIteiler=0;
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15 |
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16 | // Timer IInterrupt Initialisation
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17 | void initall()
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18 | {
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19 | //interrupt
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20 | TCNT0 = 5; //Set Timer/counter
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21 | TIMSK |= (1<<TOIE0); //Enable Timer/counter0 overflow interrupt
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22 | TCCR0 |= (1<<CS01);
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23 | TCCR0 |= (1<<CS00); //Select the clock source to be used by the timer/counter --> CPU Takt --> 4MHz/64
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24 | TIFR |= (1<<TOV0); //interrupt starts with each overflow
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25 | }//End initall()
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26 |
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27 | //Interrupt Service Routine für AD Wandlung
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28 | ISR(TIMER0_OVF_vect)
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29 | {
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30 | ADIteiler++; //clocks interrupt counter value on each ms
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31 | if(ADIteiler >= 60) //Counter cycle for all ms 60
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32 | {
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33 | ADIteiler=0; //counter 0 set
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34 |
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35 | static unsigned char k; //static ist nur in dieser Funktion sichtbar
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36 | static unsigned char i;
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37 | static unsigned char j;
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38 | static unsigned char zommValue = 0;
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39 | unsigned char Zoom[NR_ZOOM_COMMAND][BYTES_IN_COMMAND];
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40 |
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41 | crc_16 = 0;
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42 |
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43 | for(k = 0; k < NR_ZOOM_COMMAND; k++ )
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44 | {
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45 |
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46 |
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47 | Zoom[k][0] = 0x02;
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48 | Zoom[k][1] = 0x21;
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49 | Zoom[k][2] = 0x45;
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50 | Zoom[k][3] = 0x00;
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51 | Zoom[k][4] = (unsigned char)(zommValue >>8);
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52 | Zoom[k][5] = (unsigned char)zommValue & 0xFF;
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53 | Zoom[k][6] = 0x00;
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54 | Zoom[k][7] = 0x00;
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55 | Zoom[k][8] = 0x00;
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56 | Zoom[k][9] = 0x00;
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57 | Zoom[k][10] = 0x00;
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58 | Zoom[k][11] = 0x00;
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59 | Zoom[k][12] = 0x00;
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60 | Zoom[k][13] = 0x00;
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61 | Zoom[k][14] = 0x00;
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62 | Zoom[k][15] = 0x00;
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63 | Zoom[k][16] = 0x00;
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64 | Zoom[k][17] = 0x00;
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65 | Zoom[k][18] = 0x00;
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66 |
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67 | for (i = 1; i < 17; i++ )
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68 | crc_16 = update_crc_16(crc_16, Zoom[k][i]); //calculate crc for the command
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69 |
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70 | Zoom[k][i] = (unsigned char)(crc_16 >> 8); // add crc value to [17] and [18] Buf position
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71 | Zoom[k][i+1] = (unsigned char)crc_16 & 0xFF;
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72 |
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73 |
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74 | for (j = 0; j < BYTES_IN_COMMAND; j++ )
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75 | UART_Putc( Zoom[k][j] );
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76 |
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77 | zommValue=zommValue+100;
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78 | }
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79 |
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80 | }
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81 | }//End ISR(TIMER0_OVF_vect)
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82 |
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83 | void Send_ZoomCommand( void )
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84 | {
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85 | initall();
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86 | cli();
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87 | sei();
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88 | }
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89 |
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90 | //Main---------
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91 | #include <stdlib.h>
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92 | #include <avr/io.h>
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93 | #include <util/delay.h>
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94 | #include <avr/interrupt.h>
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95 |
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96 | #include "Kam54g10_Zoom.h"
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97 |
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98 | #define BYTES_IN_COMMAND 19
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99 |
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100 | unsigned int iState;
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101 |
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102 |
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103 |
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104 | int main(void)
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105 | {
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106 |
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107 | DDRC = 0x00; // PORTB auf Eingang
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108 | PORTC = 0xFF; // pull ups for key inputs PortD2 and portD3
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109 |
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110 | DDRB = 0xFF; // outputs for LEDs
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111 | PORTB = 0x00; // LEDs off
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112 |
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113 | UART_Init();
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114 |
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115 | sei();
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116 |
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117 |
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118 | iState = 0;
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119 | for(;;)
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120 | {
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121 | if (iState != PINC) // Key state changed ?
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122 | {
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123 | _delay_ms(50); // dirty "debounce"
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124 |
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125 | PINC = PINC & 0xFF;
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126 | if ((PINC & 0x01) == 0x00) // one key
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127 | {
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128 | Send_MenueCommand(0);
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129 | PORTB = 0xFE;
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130 | }
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131 |
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132 | else if ((PINC & 0x02) == 0x00) // other key
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133 | {
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134 | PORTB = 0xF7;
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135 | Send_ZoomCommand();
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136 | }
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137 |
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138 | else // no key
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139 | {
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140 | PORTB = 0xff;
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141 | }
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142 | iState = PINC;
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143 | }
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144 | }
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145 |
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146 | }
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