view libuwrap/prelim_init.c @ 100:29bff463402e

doc/CP2102-EEPROM-format: part number byte confirmed
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 28 Sep 2023 05:39:44 +0000
parents ab506f6aa57c
children
line wrap: on
line source

/*
 * libftdi-0.20 performs these preliminary steps just before it goes
 * looking for the device of interest via usb_get_busses() followed
 * by traversal of the returned tree - hence we do likewise.
 */

#include <stdio.h>
#include <stdlib.h>
#include <usb.h>
#include "prelim_init.h"

void libusb_prelim_init(void)
{
	usb_init();
	if (usb_find_busses() < 0) {
		fprintf(stderr, "error: usb_find_busses() failed\n");
		exit(1);
	}
	if (usb_find_devices() < 0) {
		fprintf(stderr, "error: usb_find_devices() failed\n");
		exit(1);
	}
}