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#pragma once
#include "../shared/bool.h"
/** @file serial.h */
/**
* read byte from serial port
*
* @return -1 if read fails, else char read
*/
int w2_serial_read();
/** write `data` with length `length` to serial port */
bool w2_serial_write(char *data, uint8_t length);
/** open serial port */
bool w2_serial_open(const char *port_name);
/** close serial port */
void w2_serial_close();
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