[15] | 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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