pn533_acr122_tx_frame
#define PN533_ACR122_TX_FRAME_HEADER_LEN (sizeof(struct pn533_acr122_tx_frame) \
struct pn533_acr122_tx_frame *frame = _frame;
struct pn533_acr122_tx_frame *frame = _frame;
struct pn533_acr122_tx_frame *frame = _frame;