mirror of https://github.com/nealey/hdjd.git
111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
#include <stdio.h>
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#include <stdint.h>
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#include <libusb.h>
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#include <string.h>
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/*
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* Some things I use for debugging
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*/
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#ifdef NODUMP
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#define DUMPf(fmt, args...)
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#else
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#define DUMPf(fmt, args...) fprintf(stderr, "%s:%s:%d " fmt "\n", __FILE__, __FUNCTION__, __LINE__, ##args)
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#endif
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#define DUMP() DUMPf("")
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#define DUMP_d(v) DUMPf("%s = %d", #v, v)
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#define DUMP_x(v) DUMPf("%s = 0x%x", #v, v)
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#define DUMP_s(v) DUMPf("%s = %s", #v, v)
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#define DUMP_c(v) DUMPf("%s = '%c' (0x%02x)", #v, v, v)
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#define DUMP_p(v) DUMPf("%s = %p", #v, v)
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struct device {
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char *name;
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uint16_t product_id;
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uint8_t ep_in;
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uint8_t ep_out;
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};
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const struct device devices[] = {
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{"Steel", 0xb102, 0x83, 0x04},
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{"MP3e2", 0xb105, 0x82, 0x03},
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{"4Set", 0xb10c, 0x84, 0x02},
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{0, 0, 0, 0}
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};
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int
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main(int argc, char **argv)
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{
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struct libusb_device_handle *dev;
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struct libusb_device_descriptor ddesc;
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unsigned char name[100];
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const struct device *d;
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int ret;
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if (libusb_init(NULL) < 0) {
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return 69;
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}
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for (d = devices; d->product_id; d += 1) {
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dev = libusb_open_device_with_vid_pid(NULL, 0x6f8, d->product_id);
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if (dev) {
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break;
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}
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}
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if (!dev) {
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printf("Couldn't find a controller\n");
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return 69;
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}
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// Figure out what this thing is called
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libusb_get_device_descriptor(libusb_get_device(dev), &ddesc);
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{
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unsigned char *p = name;
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ret = libusb_get_string_descriptor_ascii(dev, ddesc.iManufacturer, name, sizeof(name));
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if (ret > 0) {
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p = name + ret;
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*p = ' ';
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p += 1;
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ret = libusb_get_string_descriptor_ascii(dev, ddesc.iProduct, p, sizeof(name) - ret - 1);
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}
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if (ret < 0) {
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printf("Can't figure out what to call this thing.\n");
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return 69;
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}
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}
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printf("Opened a %s\n", name);
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while (1) {
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uint8_t data[256];
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int transferred;
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int i;
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if ((ret = libusb_bulk_transfer(dev, d->ep_in, data, sizeof data, &transferred, 0))) {
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break;
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}
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for (i = 0; i < transferred; i += 1) {
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printf("%02x ", data[i]);
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}
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printf("\n");
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{
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uint8_t data[16];
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memset(data, 0xff, sizeof data);
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libusb_bulk_transfer(dev, d->ep_out, data, sizeof data, &transferred, 0);
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}
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}
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if (ret < 0) {
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printf("ERROR: %s\n", libusb_error_name(ret));
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}
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libusb_exit(NULL);
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return 0;
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}
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