board_control.h

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#pragma once
#include <vector>
#include <string>
#include <cstdint>
 
 
#define DLE 0x10
#define STX 0x02
#define ETX 0x03
#define ACK  0xAA
#define NACK 0x55
#define CMD_LCD_ON  0x01
#define CMD_LCD_OFF 0x02
#define CMD_SYNC_TIME 0x03 // 시간 프레임 추가!
 
 
uint8_t reverse(uint8_t val, int bits);
 
uint16_t crc16(const std::vector<uint8_t>& data);
 
uint16_t reverse16(uint16_t val, int bits);
 
 
class BoardController {
public:
    BoardController(const std::string& device, int board_id);
 
    ~BoardController();
 
    void send_lcd_on();
 
    void send_lcd_off();
 
    bool send_time_sync_from_system();
 
    bool send_lcd_on_with_ack(int retries = 3, int timeout_ms = 1000);
 
    bool send_lcd_off_with_ack(int retries = 3, int timeout_ms = 1000);
    
private:
    int fd;
 
    int id;
 
    void open_port(const std::string& device);
 
    void send_frame(uint8_t command);
 
    bool send_frame_with_ack(uint8_t command, int retries, int timeout_ms);
 
    std::vector<uint8_t> encode_frame(uint8_t command, const std::vector<uint8_t>& extra_data);
};