void display()
{
int image = 0;
tty_printf(" !!! Processor %d running !!!\n", procid());
while(image < NIMAGES)
{
while( buf_out_empty == TRUE ) {} // synchro
tty_printf("\n *** starting display for image %d at cycle %d\n", image, proctime());
if ( fb_write(0, buf_out, NLINES*NPIXELS) )
{
tty_printf("echec fb_sync_write\n");
exit();
}
else
{
tty_printf("*** success fb_write ***\n");
}
if ( fb_completed() )
{
tty_printf("echec fb_completed\n");
exit();
}
buf_out_empty = TRUE;
tty_printf(" *** completing display for image %d at cycle %d\n", image, proctime());
image++;
} // end while image
exit();
} // end display
__attribute__((constructor)) void display()
{
char byte;
char buf[NB_LINES][NB_PIXELS];
int base = 0;
int image = 0;
int npixels; // number of pixels per processor
int nblocks; // number of blocks per processor
npixels = NB_PIXELS*NB_LINES;
nblocks = npixels/BLOCK_SIZE;
// main loop
while(1)
{
tty_printf("\n *** image %d au cycle : %d *** \n", image, proctime());
/* Phase 1 : lecture image sur le disque et transfert vers buf */
if (ioc_read(base + nblocks, buf , nblocks))
{
tty_printf("\n!!! echec ioc_read au cycle : %d !!!\n", proctime());
exit();
}
if ( ioc_completed() )
{
tty_printf("\n!!! echec ioc_completed au cycle : %d !!!\n", proctime());
exit();
}
tty_printf("- image chargee au cycle = %d \n",proctime());
tty_printf("test\n");
/* Phase 3 : transfert de buf vers le frame buffer */
if (fb_write(0, buf, sizeof(buf)))
{
tty_printf("\n!!! echec fb_write au cycle : %d !!!\n", proctime());
exit();
}
fb_completed();
tty_printf("- image affichee au cycle = %d \n",proctime());
base = base + nblocks;
image = image + 1;
tty_getc_irq(&byte);
if (base == 640) base =0;
} // end while
exit();
} // end main