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#include <stdio.h>
#include <stdlib.h>
#include <pcilib.h>
#include <pcilib/error.h>
void log_error(void *arg, const char *file, int line, pcilib_log_priority_t prio, const char *format, va_list ap) {
vprintf(format, ap);
printf("\n");
if (prio == PCILIB_LOG_ERROR) {
printf("Exiting at [%s:%u]\n\n", file, line);
exit(-1);
}
}
int main() {
int err;
pcilib_event_id_t evid;
pcilib_event_info_t info;
size_t size;
void *data;
FILE *f;
pcilib_set_logger(PCILIB_LOG_WARNING, &log_error, NULL);
pcilib_t *pcilib = pcilib_open("/dev/fpga0", "pcidev");
if (!pcilib) pcilib_error("Error opening device");
// pcilib_context_t *evdev = (pcilib_context_t*)pcilib_get_event_engine(pcilib);
// if (!evdev) pcilib_error("Failed to get event engine");
err = pcilib_start(pcilib, PCILIB_EVENTS_ALL, PCILIB_EVENT_FLAGS_DEFAULT);
if (err) pcilib_error("Error (%i) starting event engine", err);
err = pcilib_trigger(pcilib, PCILIB_EVENT0, 0, NULL);
if (err) pcilib_error("Error (%i) triggering event", err);
err = pcilib_get_next_event(pcilib, 100000, &evid, sizeof(info), (pcilib_event_info_t*)&info);
if (err) pcilib_error("Error (%i) while waiting for event", err);
data = pcilib_get_data(pcilib, evid, PCILIB_EVENT_DATA, &size);
if (!data) pcilib_error("Error getting event data");
printf("Writting %zu bytes to /dev/null\n", size);
f = fopen("/dev/null", "w");
if (f) {
fwrite(data, 1, size, f);
fclose(f);
}
err = pcilib_return_data(pcilib, evid, PCILIB_EVENT_DATA, data);
if (err) pcilib_error("Error returning data, data is possibly corrupted");
pcilib_stop(pcilib, PCILIB_EVENT_FLAGS_DEFAULT);
}
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