mirror of https://github.com/nealey/hdjd.git
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
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#include <stdio.h>
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#include <stdint.h>
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#include <libusb.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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int
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main(int argc, char **argv)
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{
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struct libusb_device_handle *handle;
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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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handle = libusb_open_device_with_vid_pid(NULL, 0x06f8, 0xb105); // MP3e2
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if (!handle) {
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printf("Couldn't find an MP3e2\n");
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return 69;
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}
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while (1) {
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uint8_t data[12];
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int transferred;
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int i;
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if ((ret = libusb_bulk_transfer(handle, 0x82,
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data, sizeof data,
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&transferred, 0))) {
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break;
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}
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if (transferred % 3 > 0) {
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fprintf(stderr, "WARNING: ignoring packet of length %d\n",
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transferred);
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continue;
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}
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for (i = 0; i < transferred; i += 3) {
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printf("%02x %02x %02x\n", data[i], data[i + 1], data[i + 2]);
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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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