/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : app_tasks.h
  * @brief          : Header for ModTOS (Modbus RTU slave task).
  *
  * Declares core symbols for the Modbus driver running in FreeRTOS context.
  * Author: Scott Leonard
  * License: Unlicense
  ******************************************************************************
  */
/* USER CODE END Header */

#ifndef __APP_TASKS_H
#define __APP_TASKS_H

#ifdef __cplusplus
extern "C" {
#endif

#include "main.h"
#include "cmsis_os.h"
#include <stdint.h>

/* Shared buffers and register table */
extern uint8_t  request_frame[];
extern uint8_t  response_frame[];
extern uint16_t modbus_table[];

/* Task entry point */
void app_task_Modbus(void);

/* Core Modbus driver functions */
void rs485_dir_tx(void);
void rs485_dir_rx(void);
uint16_t calculate_modbus_crc(uint8_t *data, uint16_t length);
void send_modbus_data(uint8_t *data, int size);
void modbus_exception(uint8_t exception_code);
uint8_t table_read(void);
uint8_t table_write(void);
void process_modbus_message(uint16_t size);
void init_modbus_system(void);

#ifdef __cplusplus
}
#endif

#endif /* __APP_TASKS_H */