[295] | 1 | #include "stdio.h" |
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| 2 | #include "hard_config.h" |
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[191] | 3 | |
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[258] | 4 | #define NBLOCKS 32 // (128 * 128) / 512 |
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[191] | 5 | |
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[258] | 6 | unsigned char buf[128*128] __attribute__((aligned(512))); |
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[249] | 7 | |
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[258] | 8 | __attribute__((constructor)) void main() |
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| 9 | { |
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[295] | 10 | int fd; |
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| 11 | int blocks; |
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| 12 | unsigned int ko; |
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| 13 | unsigned int blocks_to_skip = 8*NBLOCKS; |
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[207] | 14 | |
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[295] | 15 | unsigned int procid = giet_procid(); |
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| 16 | unsigned int cluster_xy = procid/NB_PROCS_MAX; |
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| 17 | unsigned int lpid = procid%NB_PROCS_MAX; |
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| 18 | unsigned int x = cluster_xy >> Y_WIDTH; |
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| 19 | unsigned int y = cluster_xy & ((1<<Y_WIDTH)-1); |
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[254] | 20 | |
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[295] | 21 | giet_tty_printf( "*** Starting task display on processor[%d,%d,%d] at cycle %d\n\n", |
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| 22 | x, y, lpid, giet_proctime() ); |
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| 23 | |
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[258] | 24 | /////////////////////////////////////////// |
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| 25 | fd = giet_fat_open( "misc/images.raw", 0 ); |
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| 26 | if ( fd < 0 ) |
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| 27 | { |
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| 28 | giet_tty_printf("\n*** echec giet_fat_open for misc/images.raw at cycle %d\n", |
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| 29 | giet_proctime() ); |
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| 30 | giet_exit(); |
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| 31 | } |
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| 32 | else |
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| 33 | { |
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| 34 | giet_tty_printf("\ngiet_fat_open completed for misc/images.raw at cycle %d\n", |
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| 35 | giet_proctime() ); |
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| 36 | } |
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[254] | 37 | |
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[258] | 38 | ///////////////////////////////////////// |
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| 39 | while ( blocks_to_skip < (10 * NBLOCKS) ) |
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[191] | 40 | { |
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[258] | 41 | // lecture image sur le disque |
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| 42 | blocks = giet_fat_read( fd, buf, NBLOCKS, blocks_to_skip ); |
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| 43 | if ( blocks != NBLOCKS ) |
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| 44 | { |
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| 45 | giet_tty_printf("\n*** echec giet_fat_read at cycle %d\n", |
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| 46 | giet_proctime() ); |
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| 47 | giet_exit(); |
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| 48 | } |
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| 49 | else |
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| 50 | { |
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| 51 | giet_tty_printf("\ngiet_fat_read for image %d completed at cycle %d \n", |
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| 52 | (blocks_to_skip>>5), giet_proctime()); |
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| 53 | } |
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[191] | 54 | |
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[258] | 55 | // transfert vers le frame buffer |
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| 56 | ko = giet_fb_sync_write( 0, buf, 128 * 128 ); |
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| 57 | if ( ko ) |
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| 58 | { |
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| 59 | giet_tty_printf("\n*** echec giet_fb_sync_write at cycle %d\n", |
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| 60 | giet_proctime() ); |
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| 61 | giet_exit(); |
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| 62 | } |
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| 63 | else |
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| 64 | { |
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| 65 | giet_tty_printf("\ndisplay completed for image %d at cycle %d \n", |
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| 66 | (blocks_to_skip>>5), giet_proctime()); |
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| 67 | } |
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[254] | 68 | |
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[258] | 69 | blocks_to_skip = blocks_to_skip + NBLOCKS; |
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| 70 | } |
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[254] | 71 | |
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[258] | 72 | giet_tty_printf("\n*** Tak display exit at cycle %d ***\n", giet_proctime()); |
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[191] | 73 | giet_exit(); |
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| 74 | } |
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