1 | #include "stdio.h" |
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2 | |
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3 | #define NBLOCS 32 |
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4 | #define THRESHOLD 200 |
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5 | |
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6 | ////////////////////////////////////////////// |
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7 | inline void load_image(int index, char* buf) |
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8 | { |
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9 | if( ioc_read(index*NBLOCS, buf, NBLOCS) ) |
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10 | { |
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11 | tty_printf("echec ioc_read for image %d\n", index); |
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12 | exit(); |
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13 | } |
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14 | } |
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15 | ////////////////////////////////////////////////////////////// |
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16 | inline void modif_image(int index, char* buf_in, char* buf_out) |
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17 | { |
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18 | int i; |
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19 | for(i=0 ; i<128*128 ; i++) { |
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20 | if( buf_in[i] > THRESHOLD ) buf_out[i] = 255; |
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21 | else buf_out[i] = buf_in[i]; |
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22 | } |
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23 | } |
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24 | ////////////////////////////////////////////// |
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25 | inline void display_image(int index, char* buf) |
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26 | { |
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27 | if( fb_write(0,buf,128*128) ) |
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28 | { |
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29 | tty_printf("echec fb_write for image %d\n", index); |
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30 | exit(); |
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31 | } |
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32 | } |
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33 | /////////// |
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34 | int main() |
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35 | { |
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36 | char buf_in_0[128*128]; |
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37 | char buf_in_1[128*128]; |
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38 | char buf_out_0[128*128]; |
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39 | char buf_out_1[128*128]; |
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40 | |
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41 | /* Macro-period 0 */ |
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42 | tty_printf("\n *** macro-period 0 at date = %d \n", proctime()); |
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43 | load_image(0, buf_in_0); |
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44 | ioc_completed(); |
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45 | |
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46 | /* Macro-period 1 */ |
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47 | tty_printf("\n *** macro-period 1 at date = %d \n", proctime()); |
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48 | load_image(1, buf_in_1); |
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49 | modif_image(0, buf_in_0, buf_out_0); |
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50 | ioc_completed(); |
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51 | |
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52 | /* Macro-preriod 2 */ |
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53 | tty_printf("\n *** macro-period 2 at date = %d \n", proctime()); |
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54 | load_image(2, buf_in_0); |
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55 | display_image(0, buf_out_0); |
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56 | modif_image(1, buf_in_1, buf_out_1); |
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57 | fb_completed(); |
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58 | ioc_completed(); |
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59 | |
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60 | /* Macro-period 3 */ |
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61 | tty_printf("\n *** macro-period 3 at date = %d \n", proctime()); |
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62 | load_image(3,buf_in_1); |
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63 | display_image(1, buf_out_1); |
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64 | modif_image(2, buf_in_0, buf_out_0); |
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65 | fb_completed(); |
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66 | ioc_completed(); |
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67 | |
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68 | /* Macro-period 4 */ |
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69 | tty_printf("\n *** macro-period 4 at date = %d \n", proctime()); |
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70 | load_image(4,buf_in_0); |
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71 | display_image(2, buf_out_0); |
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72 | modif_image(3, buf_in_1, buf_out_1); |
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73 | fb_completed(); |
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74 | |
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75 | /* Macro-period 5 */ |
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76 | tty_printf("\n *** macro-period 5 at date = %d \n", proctime()); |
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77 | display_image(3, buf_out_1); |
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78 | modif_image(4, buf_in_0, buf_out_0); |
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79 | fb_completed(); |
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80 | |
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81 | /* Macro-period 6 */ |
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82 | tty_printf("\n *** macro-period 6 at date = %d \n", proctime()); |
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83 | display_image(4, buf_out_0); |
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84 | fb_completed(); |
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85 | |
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86 | /* end program */ |
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87 | tty_printf("\n *** end of program at date = %d \n", proctime()); |
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88 | exit(0); |
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89 | |
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90 | return 0; |
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91 | } // end main |
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92 | |
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