int main(int argc, char * const argv[])
{
struct sdp_dev *p_id;
struct mach_id *mach;
libusb_device **devs;
libusb_device *dev;
int r;
int err;
ssize_t cnt;
libusb_device_handle *h = NULL;
int config = 0;
int verify = 0;
struct sdp_work *curr;
struct sdp_work *cmd_head = NULL;
char const *conf;
char const *base_path = get_base_path(argv[0]);
char const *conf_path = "/etc/imx-loader.d/";
err = parse_opts(argc, argv, &conf_path, &verify, &cmd_head);
if (err < 0)
return -1;
// Get list of machines...
conf = conf_file_name("imx_usb.conf", base_path, conf_path);
if (conf == NULL)
return -1;
struct mach_id *list = parse_imx_conf(conf);
if (!list)
return -1;
r = libusb_init(NULL);
if (r < 0)
goto out;
cnt = libusb_get_device_list(NULL, &devs);
if (cnt < 0)
goto out;
// print_devs(devs);
dev = find_imx_dev(devs, &mach, list);
if (dev) {
err = libusb_open(dev, &h);
if (err)
printf("%s:Could not open device vid=0x%x pid=0x%x err=%d\n", __func__, mach->vid, mach->pid, err);
}
libusb_free_device_list(devs, 1);
if (!h)
goto out;
// Get machine specific configuration file..
conf = conf_file_name(mach->file_name, base_path, conf_path);
if (conf == NULL)
goto out;
p_id = parse_conf(conf);
if (!p_id)
goto out;
if (p_id->mode == MODE_HID)
p_id->transfer = &transfer_hid;
if (p_id->mode == MODE_BULK)
p_id->transfer = &transfer_bulk;
// USB private pointer is libusb device handle...
p_id->priv = h;
libusb_get_configuration(h, &config);
printf("%04x:%04x(%s) bConfigurationValue =%x\n",
mach->vid, mach->pid, p_id->name, config);
if (libusb_kernel_driver_active(h, 0))
libusb_detach_kernel_driver(h, 0);
err = libusb_claim_interface(h, 0);
if (err) {
printf("Claim failed\n");
goto out;
}
printf("Interface 0 claimed\n");
err = do_status(p_id);
if (err) {
printf("status failed\n");
goto out;
}
// By default, use work from config file...
curr = p_id->work;
if (cmd_head != NULL)
curr = cmd_head;
if (curr == NULL) {
printf("no job found\n");
goto out;
}
while (curr) {
if (curr->mem)
perform_mem_work(p_id, curr->mem);
// printf("jump_mode %x\n", curr->jump_mode);
if (curr->filename[0]) {
err = DoIRomDownload(p_id, curr, verify);
}
if (err) {
err = do_status(p_id);
break;
}
if (!curr->next && (!curr->plug || curr != cmd_head))
break;
err = do_status(p_id);
printf("jump_mode %x plug=%i err=%i\n", curr->jump_mode, curr->plug, err);
if (err) {
int retry;
/* Rediscovers device */
libusb_release_interface(h, 0);
libusb_close(h);
libusb_exit(NULL);
for (retry = 0; retry < 10; retry++) {
printf("sleeping\n");
sleep(3);
printf("done sleeping\n");
h = open_vid_pid(mach, p_id);
if (h)
break;
}
if (!h)
goto out;
}
if (curr == cmd_head && curr->plug) {
curr->plug = 0;
continue;
}
curr = curr->next;
}
exit:
libusb_release_interface(h, 0);
out:
if (h)
libusb_close(h);
libusb_exit(NULL);
return 0;
}
int do_autodetect_dev(char const *base_path, char const *conf_path,
struct mach_id *list, int verify, struct sdp_work *cmd_head)
{
struct sdp_dev *p_id;
struct mach_id *mach;
libusb_device **devs;
libusb_device *dev;
int err = 0;
ssize_t cnt;
struct sdp_work *curr;
libusb_device_handle *h = NULL;
char const *conf;
int retry;
err = libusb_init(NULL);
if (err < 0)
return err;
cnt = libusb_get_device_list(NULL, &devs);
if (cnt < 0) {
err = LIBUSB_ERROR_NO_DEVICE;
goto out_deinit_usb;
}
// print_devs(devs);
dev = find_imx_dev(devs, &mach, list);
if (!dev) {
libusb_free_device_list(devs, 1);
err = LIBUSB_ERROR_NO_DEVICE;
goto out_deinit_usb;
}
err = libusb_open(dev, &h);
libusb_free_device_list(devs, 1);
if (err < 0) {
fprintf(stderr, "Could not open device vid=0x%x pid=0x%x: %s, err=%d\n",
mach->vid, mach->pid, libusb_strerror(err), err);
goto out_deinit_usb;
}
// Get machine specific configuration file..
conf = conf_file_name(mach->file_name, base_path, conf_path);
if (conf == NULL) {
err = LIBUSB_ERROR_OTHER;
goto out_close_usb;
}
p_id = parse_conf(conf);
if (!p_id) {
err = LIBUSB_ERROR_OTHER;
goto out_close_usb;
}
if (p_id->mode == MODE_HID)
p_id->transfer = &transfer_hid;
if (p_id->mode == MODE_BULK)
p_id->transfer = &transfer_bulk;
// By default, use work from config file...
curr = p_id->work;
if (cmd_head != NULL)
curr = cmd_head;
if (curr == NULL) {
fprintf(stderr, "no job found\n");
err = LIBUSB_ERROR_OTHER;
goto out_close_usb;
}
retry:
// USB private pointer is libusb device handle...
p_id->priv = h;
err = do_work(p_id, &curr, verify);
dbg_printf("do_work finished with err=%d, curr=%p\n", err, curr);
out_close_usb:
libusb_close(h);
/* More work to do? Try to rediscover the same device */
if (curr && !(err < 0)) {
for (retry = 0; retry < 10; retry++) {
msleep(3000);
h = libusb_open_device_with_vid_pid(NULL, mach->vid, mach->pid);
if (h)
goto retry;
fprintf(stderr, "Could not open device vid=0x%x pid=0x%x err=%d\n",
mach->vid, mach->pid, err);
}
}
out_deinit_usb:
libusb_exit(NULL);
return err;
}