1 | #include <avr/io.h>
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2 | #include <avr/interrupt.h>
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3 | #include "include/i2cmaster.h"
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4 |
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5 | const unsigned char Rnkeylcd= 0x40;
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6 |
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7 | void i2cSendChar(unsigned char slaveid, unsigned char c);
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8 | void Rnlcd_clr(unsigned char slaveid);
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9 | void Rnlcd_cr(unsigned char slaveid);
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10 | void Rnlcd_Hallo(unsigned char slaveid);
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11 |
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12 | int main(void){
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13 | i2c_init();
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14 | Rnlcd_clr(Rnkeylcd);
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15 | /* Hallo so geschrieben macht keinen Fehler
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16 | i2c_start_wait(Rnkeylcd_slaveid+I2C_WRITE);
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17 | i2c_write('H');
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18 | i2c_stop();
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19 | i2c_start_wait(Rnkeylcd_slaveid+I2C_WRITE);
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20 | i2c_write('A');
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21 | i2c_stop();
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22 | i2c_start_wait(Rnkeylcd_slaveid+I2C_WRITE);
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23 | i2c_write('L');
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24 | i2c_stop();
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25 | i2c_start_wait(Rnkeylcd_slaveid+I2C_WRITE);
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26 | i2c_write('L');
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27 | i2c_stop();
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28 | i2c_start_wait(Rnkeylcd_slaveid+I2C_WRITE);
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29 | i2c_write('O');
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30 | i2c_stop();
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31 | */
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32 |
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33 |
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34 | Rnlcd_cr(Rnkeylcd);
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35 | //Ergebniss dieser Befehlsfolge ist ¹HALLO*/
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36 | Rnlcd_Hallo(Rnkeylcd);
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37 |
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38 |
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39 | /* Ergebniss dieser Befehlsfolge ist ¹H¹A¹L¹L¹O
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40 | i2cSendChar(Rnkeylcd,'H');
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41 | i2cSendChar(Rnkeylcd,'A');
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42 | i2cSendChar(Rnkeylcd,'L');
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43 | i2cSendChar(Rnkeylcd,'L');
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44 | i2cSendChar(Rnkeylcd,'O');
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45 | */
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46 | return(0);
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47 | }
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48 |
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49 | //jedesmal bei dieser Funktion steht die hochgestellte 1 vor dem c
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50 | void i2cSendChar(unsigned char slaveid,unsigned char c){
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51 | i2c_start_wait(slaveid+I2C_WRITE);
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52 | i2c_write(c);
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53 | i2c_stop();
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54 |
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55 | }
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56 | void Rnlcd_clr(unsigned char slaveid)
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57 | {
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58 | i2c_start_wait(slaveid+I2C_WRITE);
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59 | i2c_write(12);
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60 | i2c_stop();
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61 | }
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62 | //Vor dem LR steht wieder die hochgestellte 1
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63 | void Rnlcd_cr(unsigned char slaveid)
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64 | {
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65 | i2c_start_wait(slaveid+I2C_WRITE);
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66 | i2c_write(13);
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67 | i2c_stop();
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68 | i2c_start_wait(slaveid+I2C_WRITE);
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69 | i2c_write(10);
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70 | i2c_stop();
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71 | }
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72 |
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73 | //Vor dem H steht die hochgestellte 1
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74 | void Rnlcd_Hallo(unsigned char slaveid)
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75 | {
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76 |
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77 | Rnlcd_cr(slaveid+I2C_WRITE);
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78 | i2c_start_wait(slaveid+I2C_WRITE);
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79 | i2c_write('H');
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80 | i2c_stop();
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81 | i2c_start_wait(slaveid+I2C_WRITE);
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82 | i2c_write('A');
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83 | i2c_stop();
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84 | i2c_start_wait(slaveid+I2C_WRITE);
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85 | i2c_write('L');
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86 | i2c_stop();
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87 | i2c_start_wait(slaveid+I2C_WRITE);
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88 | i2c_write('L');
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89 | i2c_stop();
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90 | i2c_start_wait(slaveid+I2C_WRITE);
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91 | i2c_write('O');
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92 | i2c_stop();
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93 |
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94 | }
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