hdjd/explore.c

111 lines
2.2 KiB
C

#include <stdio.h>
#include <stdint.h>
#include <libusb.h>
#include <string.h>
/*
* Some things I use for debugging
*/
#ifdef NODUMP
#define DUMPf(fmt, args...)
#else
#define DUMPf(fmt, args...) fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, ##args)
#endif
#define DUMP() DUMPf("")
#define DUMP_d(v) DUMPf("%s = %d", #v, v)
#define DUMP_x(v) DUMPf("%s = 0x%x", #v, v)
#define DUMP_s(v) DUMPf("%s = %s", #v, v)
#define DUMP_c(v) DUMPf("%s = '%c' (0x%02x)", #v, v, v)
#define DUMP_p(v) DUMPf("%s = %p", #v, v)
struct device {
char *name;
uint16_t product_id;
uint8_t ep_in;
uint8_t ep_out;
};
const struct device devices[] = {
{"Steel", 0xb102, 0x83, 0x04},
{"MP3e2", 0xb105, 0x82, 0x03},
{"4Set", 0xb10c, 0x84, 0x02},
{0, 0, 0, 0}
};
int
main(int argc, char **argv)
{
struct libusb_device_handle *dev;
struct libusb_device_descriptor ddesc;
unsigned char name[100];
const struct device *d;
int ret;
if (libusb_init(NULL) < 0) {
return 69;
}
for (d = devices; d->product_id; d += 1) {
dev = libusb_open_device_with_vid_pid(NULL, 0x6f8, d->product_id);
if (dev) {
break;
}
}
if (!dev) {
printf("Couldn't find a controller\n");
return 69;
}
// Figure out what this thing is called
libusb_get_device_descriptor(libusb_get_device(dev), &ddesc);
{
unsigned char *p = name;
ret = libusb_get_string_descriptor_ascii(dev, ddesc.iManufacturer, name, sizeof(name));
if (ret > 0) {
p = name + ret;
*p = ' ';
p += 1;
ret = libusb_get_string_descriptor_ascii(dev, ddesc.iProduct, p, sizeof(name) - ret - 1);
}
if (ret < 0) {
printf("Can't figure out what to call this thing.\n");
return 69;
}
}
printf("Opened a %s\n", name);
while (1) {
uint8_t data[8];
int transferred;
int i;
if ((ret = libusb_bulk_transfer(dev, d->ep_in, data, sizeof data, &transferred, 0))) {
break;
}
for (i = 0; i < transferred; i += 1) {
printf("%02x ", data[i]);
}
printf("\n");
{
uint8_t data[16];
memset(data, 0xff, sizeof data);
libusb_bulk_transfer(dev, d->ep_out, data, sizeof data, &transferred, 0);
}
}
if (ret < 0) {
printf("ERROR: %s\n", libusb_error_name(ret));
}
libusb_exit(NULL);
return 0;
}