//******************************************************************************
/// \brief Initialize mXT device and read the info block
/// \return #mxt_rc
static int mxt_init_chip(struct libmaxtouch_ctx *ctx, struct mxt_device **mxt,
struct mxt_conn_info **conn)
{
int ret;
if (!*conn) {
ret = mxt_scan(ctx, conn, false);
if (ret == MXT_ERROR_NO_DEVICE) {
mxt_err(ctx, "Unable to find a device");
return ret;
} else if (ret) {
mxt_err(ctx, "Failed to find device");
return ret;
}
}
ret = mxt_new_device(ctx, *conn, mxt);
if (ret)
return ret;
#ifdef HAVE_LIBUSB
if ((*mxt)->conn->type == E_USB && usb_is_bootloader(*mxt)) {
mxt_free_device(*mxt);
mxt_err(ctx, "USB device in bootloader mode");
return MXT_ERROR_UNEXPECTED_DEVICE_STATE;
}
#endif
ret = mxt_get_info(*mxt);
if (ret)
return ret;
return MXT_SUCCESS;
}
/*!
* @brief Entry point for the config_loader utility.
* @return Zero on success, negative for error.
*/
int main (int argc, char *argv[])
{
bool override_checking = false;
struct stat file_info;
char *filename = NULL;
printf("Config loader tool v. %s for Atmel maXTouch chips\n\n", VERSION);
/* Parse input arguments */
if (argc > 1)
{
filename = argv[1];
if (argc > 2 && strcmp(argv[2], "-f") == 0)
{
override_checking = true;
}
}
else
{
display_usage();
return -1;
}
/* Check configuration file exists */
if (stat(filename, &file_info) != 0)
{
printf("Specified file does not exist\n\n");
display_usage();
return -1;
}
/* Find an mXT device and read the info block */
switch (mxt_scan())
{
case 1:
/* Device found - continue */
break;
case 0:
printf("Could not find a device, exiting...\n");
return -1;
default:
printf("Error initializing, exiting...\n");
return -1;
}
if (mxt_get_info() < 0)
{
printf("Error reading info\n");
return -1;
}
/* Load and back-up the configuration file */
if (mxt_load_config_file(filename, override_checking) < 0)
{
printf("Error loading the configuration, exiting...\n");
mxt_release();
return -1;
}
printf("Configuration loaded\n");
if (mxt_backup_config() < 0)
{
printf("Error backing up, exiting...\n");
mxt_release();
return -1;
}
printf("Configuration backed up\n");
/* Reset the chip to apply new configuration */
if (mxt_reset_chip(false) < 0)
{
printf("Error reseting, exiting...\n");
mxt_release();
return -1;
}
printf("Chip reset\n");
mxt_release();
printf("\nConfiguration file loader ran successfully\n");
return 0;
}
