task_U.psy

/************ Copyright Krono-Safe S.A. 2020, All rights reserved ************/

#include <app.psyh>

agent task_U (uses realtime, defaultclock clk_s)
{
  global {
    float noise_mat[IMG_H][IMG_W];
    unsigned char image[IMG_H][IMG_W];

    /* Take a look at app.h. The counter is incremented by one each
     * "GEN_WORK", but we want to keep it constant between iterations
     * (hence the counter-- after these calls)
     * It is initialized to 39 because the following computations are
     * performed:
     *   int max = (IMG_H + Counter + 60) % IMG_H + 1
     * we want a max value to be IMG_H, so counter must be 39.
     *
     * That's a bit convoluted, but enables code factorization.
     */
    unsigned int counter = 39u;
  }

  body start {
    /* C0 -- not interesting, do nothing */
    jump body_at_c1;
  }

  body body_at_c1 {
    @c1 advance 1; /* <--- closes */

    /* C1 */
    GEN_WORK("U0", filter2, noise_mat, image, 12, counter);
    counter--;
  }
}