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/* Written by Geoff Oakham. No license--this file is in public domain. */
/* $Id: simple.c,v 1.4 2004/11/24 18:14:30 oakhamg Exp $ */
static char const rcsid[] = "$Id: simple.c,v 1.4 2004/11/24 18:14:30 oakhamg Exp $";
#include <stdio.h>
#include <string.h>
#include <usb.h>
#include <limits.h>
#include "ifp.h"
/* Sample program that uses the ifp library. Here's some sample output:
Detected: model IFP-599T, firmware 1.32, battery =[####], delta 1.8.6.22
0 d VOICE
0 d RECORD
1988608 f iRiver, Catch the digital flow!.mp3
0 d bnl
0 d debug
4493047 f Muppets - It's not easy.mp3
0 d moby
0 d quality_test
0 d overtures
5010116 f 04 Whispering wind.ogg
3038563 f 06- Toy Box -Toyride2001- Dumm-Diggy-Dumm.mp3
3006380 f rstar.mp3
3985516 f askatchewan Pirate.mp3
9790693 f Crazy.ogg
... [output clipped]
*
*/
int simple_dump_dir(void * context, int type, const char * name, int filesize) {
printf("%8d %c %s\n", filesize, type == 2 ? 'd' : 'f', name);
return 0;
}
int do_something(struct ifp_device * dev) {
int i = 0;
char buf[255];
i = ifp_device_info(dev, buf, sizeof(buf));
if (i) {
printf("device info failed, i=%d.\n", i);
return i;
}
printf("Detected: %s\n", buf);
i = ifp_list_dirs(dev, "\\", simple_dump_dir, NULL);
if (i) {
printf("list dirs failed, i=%d.\n", i);
return i;
}
return i;
}
int main(int argc, char **argv)
{
struct usb_device *dev = NULL;
usb_dev_handle *dh;
struct ifp_device ifpdev;
int i=0, e=0;
usb_init();
dh = ifp_find_device();
if (dh == NULL) {
fprintf(stderr, "A suitable iRiver iFP device couldn't be found; "
"perhaps it's unplugged or turned off.\n");
goto out_0;
}
dev = usb_device(dh);
/* "must be called" written in the libusb documentation */
if (usb_claim_interface(dh, dev->config->interface->altsetting->
bInterfaceNumber))
{
fprintf(stderr, "Device is busy. (I was unable to claim its"
" interface.)\n");
goto out_1;
}
i = ifp_init(&ifpdev, dh);
if (i) {
printf("Device isn't responding.. try jiggling the handle. "
"(error %d)\n",i);
goto out_2;
}
i = do_something(&ifpdev);
if (i) {
printf("list dirs failed, i=%d.\n", i);
goto out_3;
}
out_3:
e = ifp_finalize(&ifpdev);
if (e) { fprintf(stderr, "warning: finalize failed, i=%d\n",e); i=i?i:e; }
out_2:
usb_release_interface(dh,
dev->config->interface->altsetting->bInterfaceNumber);
out_1:
e = ifp_release_device(dh);
if (e) { fprintf(stderr, "warning: release_device failed, i=%d\n",e); i=i?i:e; }
out_0:
return i ? 1 : 0;
}
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