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typedef enum {
RESET1 = 0x81,
RESET2 = 0x82,
ACK1 = 0x81,
ACK2 = 0x82,
OUTOFSYNC = 0x83,
PING = 0x80,
PONG = 0x80,
DATA_ESCAPE = 0x84,
} serial_control_command_t;
typedef enum {
// waiting for RESET1
SERIAL_UNKNOWN,
// received RESET1, sent ACK1, waiting for RESET2
SERIAL_INIT,
// received RESET2, sent ACK1, waiting for other commands
SERIAL_READY,
} serial_state_t;
extern serial_state_t serial_state;
void handle_serial(data_t *data, int changedBits);
void serial_print_debug(const char *str);
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