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#include <stdio.h>
#include <pthread.h>
#include <stdlib.h>
#include "pcilib.h"
#include "pcilib/error.h"
const char* prop = "/registers/fpga/reg1";
char* reg;
int stop = 0;
void *get_prop(void *arg)
{
pcilib_t *ctx = (pcilib_t*)arg;
while(!stop)
{
int err;
pcilib_value_t val = {0};
err = pcilib_get_property(ctx, prop, &val);
if(err)
{
pcilib_error("Error in pcilib_read_register");
return NULL;
}
long value = pcilib_get_value_as_int(ctx, &val, &err);
pcilib_clean_value(ctx, &val);
if(err)
{
pcilib_error("Error in pcilib_get_value_as_int");
return NULL;
}
printf("reg = %li\n", value);
}
return NULL;
}
void *read_reg(void *arg)
{
pcilib_t *ctx = (pcilib_t*)arg;
while(!stop)
{
int err;
pcilib_register_value_t reg_val = {0};
pcilib_value_t val = {0};
err = pcilib_read_register(ctx, NULL, reg, ®_val);
if(err)
{
pcilib_error("Error in pcilib_read_register");
return NULL;
}
err = pcilib_set_value_from_register_value(ctx, &val, reg_val);
if(err)
{
pcilib_error("Error in pcilib_set_value_from_register_value");
return NULL;
}
long value = pcilib_get_value_as_int(ctx, &val, &err);
pcilib_clean_value(ctx, &val);
if(err)
{
pcilib_error("Error in pcilib_get_value_as_int");
return NULL;
}
printf("reg = %li\n", value);
}
return NULL;
}
int main(int argc, char *argv[])
{
if (argc < 5) {
printf("Usage:\n\t\t%s <device> <model> <register> <num_threads>\n", argv[0]);
exit(0);
}
reg = argv[3];
int threads = atoi( argv[4] );
pcilib_t *ctx = pcilib_open(argv[1], argv[2]);
for(int i = 0; i < threads; i++)
{
pthread_t pth;
pthread_create(&pth, NULL, read_reg, ctx);
}
getchar();
stop = 1;
return 0;
}
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