/*
 * modbus_logic.h
 *
 *  Created on: Jul 25, 2024
 *      Author: User
 */

#ifndef INC_MODBUS_LOGIC_H_
#define INC_MODBUS_LOGIC_H_
#include <stdint.h>

#define BOARD_ADRESS 38 //BSV Module 1
//#define BOARD_ADRESS 39 //BSV Module 2

#define BUS_IDLE_TIME   3

#define MODBUS_PROTOCOL_VERSION (1)
#define MODBUS_HEADER_SIZE (13)
#define BUFFERS_SIZE (100 + 9)
#define MAX_REGS_PER_QUERY (32)
#define ADDRESS_UNDEFINED (0xff)

enum recv_state {RECV_IDLE, RECV_READ_HEADER, RECV_READ_DATA, RECV_READ_COMPLETE, RECV_ERROR};
enum send_state {SEND_IDLE, SEND_BUSY};

#define TXEN_ON   HAL_GPIO_WritePin(TXEN_GPIO_Port, TXEN_Pin, GPIO_PIN_SET)
#define TXEN_OFF  HAL_GPIO_WritePin(TXEN_GPIO_Port, TXEN_Pin, GPIO_PIN_RESET)

void UART_RxCpltCallback(void);
void UART_TxCpltCallback(void);
void process_incoming_packet();
void modbus_loop_iterate();
uint8_t read_register(uint16_t address, uint16_t* value);
uint8_t write_register(uint16_t address, uint16_t value);


#endif /* INC_MODBUS_LOGIC_H_ */