GARMIN_LAYERID_APPL
if (getLayerId(buffer) == GARMIN_LAYERID_APPL) {
getLayerId(data) == GARMIN_LAYERID_APPL)) {
usbdata[0] = __cpu_to_le32(GARMIN_LAYERID_APPL);
if (getLayerId(garmin_data_p->outbuffer) != GARMIN_LAYERID_APPL) {
if (getLayerId(urb->transfer_buffer) == GARMIN_LAYERID_APPL) {