#include <errno.h>
#include <libusb.h>
+#include "endian.h"
+
+#define KINECT_AUDIO_VID 0x045e
+#define KINECT_AUDIO_PID 0x02ad
+#define KINECT_AUDIO_CONFIGURATION 1
+#define KINECT_AUDIO_INTERFACE 0
+#define KINECT_AUDIO_IN_EP 0x81
+#define KINECT_AUDIO_OUT_EP 0x01
+
static libusb_device_handle *dev;
-unsigned int seq;
+static unsigned int seq;
typedef struct {
uint32_t magic;
} status_code;
#define LOG(...) printf(__VA_ARGS__)
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+static inline uint32_t fn_le32(uint32_t d)
+{
+ return (d<<24) | ((d<<8)&0xFF0000) | ((d>>8)&0xFF00) | (d>>24);
+}
+#else
#define fn_le32(x) (x)
-// TODO: support architectures that aren't little-endian
+#endif
static void dump_bl_cmd(bootloader_command cmd) {
int i;
static int get_first_reply(void) {
unsigned char buffer[512];
int res;
- int transferred;
- res = libusb_bulk_transfer(dev, 0x81, buffer, 512, &transferred, 0);
+ int transferred = 0;
+ res = libusb_bulk_transfer(dev, KINECT_AUDIO_IN_EP, buffer, 512, &transferred, 0);
if (res != 0 ) {
LOG("Error reading first reply: %d\ttransferred: %d (expected %d)\n", res, transferred, 0x60);
return res;
unsigned char dump[512];
} reply;
int res;
- int transferred;
+ int transferred = 0;
- res = libusb_bulk_transfer(dev, 0x81, reply.dump, 512, &transferred, 0);
+ res = libusb_bulk_transfer(dev, KINECT_AUDIO_IN_EP, reply.dump, 512, &transferred, 0);
if (res != 0 || transferred != sizeof(status_code)) {
- LOG("Error reading reply: %d\ttransferred: %d (expected %lu)\n", res, transferred, sizeof(status_code));
+ LOG("Error reading reply: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(status_code));
return res;
}
if (fn_le32(reply.buffer.magic) != 0x0a6fe000) {
int main(int argc, char** argv) {
char default_filename[] = "firmware.bin";
char* filename = default_filename;
+ int res = 0;
if (argc == 2) {
filename = argv[1];
}
- FILE* fw = fopen(filename, "r");
+ FILE* fw = fopen(filename, "rb");
if (fw == NULL) {
fprintf(stderr, "Failed to open %s: %s\n", filename, strerror(errno));
return errno;
}
libusb_init(NULL);
- libusb_set_debug(0, 3);
+ libusb_set_debug(NULL, 3);
- dev = libusb_open_device_with_vid_pid(NULL, 0x045e, 0x02ad);
+ dev = libusb_open_device_with_vid_pid(NULL, KINECT_AUDIO_VID, KINECT_AUDIO_PID);
if (dev == NULL) {
fprintf(stderr, "Couldn't open device.\n");
- return 1;
+ res = -ENODEV;
+ goto fail_libusb_open;
}
- libusb_set_configuration(dev, 1);
- libusb_claim_interface(dev, 0);
+ int current_configuration = -1;
+ libusb_get_configuration(dev, ¤t_configuration);
+ if (current_configuration != KINECT_AUDIO_CONFIGURATION)
+ libusb_set_configuration(dev, KINECT_AUDIO_CONFIGURATION);
+
+ libusb_claim_interface(dev, KINECT_AUDIO_INTERFACE);
+
+ current_configuration = -1;
+ libusb_get_configuration(dev, ¤t_configuration);
+ if (current_configuration != KINECT_AUDIO_CONFIGURATION) {
+ res = -ENODEV;
+ goto cleanup;
+ }
seq = 1;
LOG("About to send: ");
dump_bl_cmd(cmd);
- int res;
- int transferred;
+ int transferred = 0;
- res = libusb_bulk_transfer(dev, 1, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0);
+ res = libusb_bulk_transfer(dev, KINECT_AUDIO_OUT_EP, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0);
if (res != 0 || transferred != sizeof(cmd)) {
- LOG("Error: res: %d\ttransferred: %d (expected %lu)\n", res, transferred, sizeof(cmd));
+ LOG("Error: res: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(cmd));
goto cleanup;
}
res = get_first_reply(); // This first one doesn't have the usual magic bytes at the beginning, and is 96 bytes long - much longer than the usual 12-byte replies.
+ if (res < 0) {
+ LOG("get_first_reply() failed");
+ goto cleanup;
+ }
+
res = get_reply(); // I'm not sure why we do this twice here, but maybe it'll make sense later.
+ if (res < 0) {
+ LOG("First get_reply() failed");
+ goto cleanup;
+ }
seq++;
- uint32_t addr = 0x00080000;
+ // Split addr declaration and assignment in order to compile as C++,
+ // otherwise this would give "jump to label '...' crosses initialization"
+ // errors.
+ uint32_t addr;
+ addr = 0x00080000;
unsigned char page[0x4000];
int read;
do {
- read = fread(page, 1, 0x4000, fw);
+ read = (int)fread(page, 1, 0x4000, fw);
if (read <= 0) {
break;
}
//LOG("");
cmd.seq = fn_le32(seq);
- cmd.bytes = fn_le32(read);
+ cmd.bytes = fn_le32((unsigned int)read);
cmd.cmd = fn_le32(0x03);
cmd.write_addr = fn_le32(addr);
LOG("About to send: ");
dump_bl_cmd(cmd);
// Send it off!
- res = libusb_bulk_transfer(dev, 1, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0);
+ transferred = 0;
+ res = libusb_bulk_transfer(dev, KINECT_AUDIO_OUT_EP, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0);
if (res != 0 || transferred != sizeof(cmd)) {
- LOG("Error: res: %d\ttransferred: %d (expected %lu)\n", res, transferred, sizeof(cmd));
+ LOG("Error: res: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(cmd));
goto cleanup;
}
int bytes_sent = 0;
while (bytes_sent < read) {
int to_send = (read - bytes_sent > 512 ? 512 : read - bytes_sent);
- res = libusb_bulk_transfer(dev, 1, &page[bytes_sent], to_send, &transferred, 0);
+ transferred = 0;
+ res = libusb_bulk_transfer(dev, KINECT_AUDIO_OUT_EP, &page[bytes_sent], to_send, &transferred, 0);
if (res != 0 || transferred != to_send) {
LOG("Error: res: %d\ttransferred: %d (expected %d)\n", res, transferred, to_send);
goto cleanup;
bytes_sent += to_send;
}
res = get_reply();
+ if (res < 0) {
+ LOG("get_reply failed");
+ goto cleanup;
+ }
addr += (uint32_t)read;
seq++;
cmd.cmd = fn_le32(0x04);
cmd.write_addr = fn_le32(0x00080030);
dump_bl_cmd(cmd);
- res = libusb_bulk_transfer(dev, 1, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0);
+ transferred = 0;
+ res = libusb_bulk_transfer(dev, KINECT_AUDIO_OUT_EP, (unsigned char*)&cmd, sizeof(cmd), &transferred, 0);
if (res != 0 || transferred != sizeof(cmd)) {
- LOG("Error: res: %d\ttransferred: %d (expected %lu)\n", res, transferred, sizeof(cmd));
+ LOG("Error: res: %d\ttransferred: %d (expected %zu)\n", res, transferred, sizeof(cmd));
goto cleanup;
}
res = get_reply();
// Now the device reenumerates.
cleanup:
+ libusb_release_interface(dev, KINECT_AUDIO_INTERFACE);
libusb_close(dev);
+fail_libusb_open:
libusb_exit(NULL);
- return 0;
+ fclose(fw);
+ return res;
}
projects / kinect-audio-setup.git / blobdiff