void frame_sendAsReader(uint32_t data, uint8_t bits);
int legic_read_byte( uint16_t index, uint8_t cmd_sz);
-int legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz);
+bool legic_write_byte(uint16_t index, uint8_t byte, uint8_t addr_sz);
int legic_select_card(legic_card_select_t *p_card);
int legic_select_card_iv(legic_card_select_t *p_card, uint8_t iv);