static void task1(void *argpointer){
/* get task method */
int method = *((int *) argpointer);
free(argpointer);
int id = 1;
sync_threads(id);
rt_task_sleep(1000000);
rt_printf("Task %i start\n", id);
busy_wait_ms(5);
rt_printf("Task %i stop \n", id);
}
static void task0(void *argpointer){
/* get task method */
int method = *((int *) argpointer);
free(argpointer);
int id = 0;
sync_threads(id);
/* get resource */
get_resource(method, id);
/* do work */
rt_printf("Task %i start\n", id);
busy_wait_ms(3);
/* release resource */
release_resource(method, id);
}
void *half_dct_2d_pth_0(void *params)
{
int i;
TP0Params *p = (TP0Params *)params;
#ifdef FPGA
dct_data_t *in, *out;
int len;
len = SFN * DCT_SIZE * DCT_SIZE;
in = (dct_data_t *)malloc((1 + len) * sizeof(dct_data_t));
in[0] = 0;
for (i = 1; i <= len; i++)
in[i] = p->col_inbuf[i - 1];
out = p->col_outbuf;
#endif
for (i = 1; i < FF; i++) {
#ifdef FPGA
write(fdw, (void *)in, (len + 1) * sizeof(dct_data_t));
read(fdr, (void *)out, len * sizeof(dct_data_t));
#else
dct_2d(p->col_inbuf, p->col_outbuf);
#endif
transpose(p->col_outbuf, p->buf_2d_out);
sync_threads();
if (i + 1 < FF) {
read_data(p->input + (i + 1) * SFN * N, p->nii_block);
}
write_data(p->buf_2d_out, p->output + (i - 1) * SFN * N);
// sync_threads();
}
#ifdef FPGA
free(in);
#endif
return NULL;
}
static void task2(void *argpointer){
/* get method */
int method = *((int *) argpointer);
free(argpointer);
int id = 2;
sync_threads(id);
rt_task_sleep(2000000);
/* Get resource */
get_resource(method, id);
/* Simulate work */
rt_printf("Task %i start \n", id);
busy_wait_ms(2);
/* Release resource */
release_resource(method, id);
}
void *half_dct_2d_pth_1(void *params)
{
int i;
Params *p = (Params *)params;
#ifdef FPGA
dct_data_t *in, *out;
int len;
len = SFN * DCT_SIZE * DCT_SIZE;
in = (dct_data_t *)malloc((1 + len) * sizeof(dct_data_t));
in[0] = 1;
for (i = 1; i <= len; i++)
in[i] = p->buf_2d_in[i - 1];
out = p->row_outbuf;
#endif
for (i = 1; i < FF; i++) {
#ifdef FPGA
write(fdw, (void *)in, (len + 1) * sizeof(dct_data_t));
read(fdr, (void *)out, len * sizeof(dct_data_t));
#else
dct_2d(p->buf_2d_in, p->row_outbuf);
#endif
transpose(p->row_outbuf, p->col_inbuf);
sync_threads();
if (i + 1 < FF) {
block_memcpy(p->col_inbuf, p->nii_block);
}
// sync_threads();
}
#ifdef FPGA
free(in);
#endif
return NULL;
}
int main(){
char c;
int choice;
int m, n;
do {
printf("MENU OPTIONS\n");
printf("1 -- Using threads for synchronisation\n");
printf("2 -- Thread printing even and odd numbers\n");
printf("3 -- Printing m numbers(1 to m) alternatively using n threads\n");
printf("\n");
printf("Enter your choice\n");
scanf("%d",&choice);
switch(choice){
case 1:
sync_threads();
break;
case 2:
even_odd_print();
break;
case 3:
printf("Enter m\n");
scanf("%d", &m);
printf("Enter no of threads\n");
scanf("%d", &n);
print_numbers(m, n);
break;
default:
break;
}
printf("\n\n");
} while((c=getchar())!='q');
return 0;
}
