#ifndef _MODBUS_CONSTANTS_H
#define _MODBUS_CONSTANTS_H

#define MAX_HOLDING_REGISTERS               300
#define MAX_INPUT_REGISTERS                 300

// MCU Includes

#include "stm32f4xx_ll_lptim.h"
#include "stm32f4xx_ll_gpio.h"
#include "stm32f4xx_ll_tim.h"


// Needed Constants

#define DEFAULT_DEVICE_MODBUS_ID        1
#define CURRENT_OPERATION_MODE_UART

#define Modbus_LED                  GPIOB
#define Modbus_LED_Pin              LL_GPIO_PIN_2
#define MODBUS_LED_ON               LL_GPIO_SetOutputPin(Modbus_LED, Modbus_LED_Pin);
#define MODBUS_LED_OFF              LL_GPIO_ResetOutputPin(Modbus_LED, Modbus_LED_Pin);

#ifdef CURRENT_OPERATION_MODE_UART
    #define MODBUS_TX_EN                LL_GPIO_SetOutputPin(RS485_GPIO, RS485_GPIO_Pin);
    #define MODBUS_TX_DIS               LL_GPIO_ResetOutputPin(RS485_GPIO, RS485_GPIO_Pin);
    #define RS485_GPIO                  GPIOA
    #define RS485_GPIO_Pin              LL_GPIO_PIN_11
    #define Modbus_UART                 USART1
    #define Modbus_TIM                  TIM2
#endif


#ifdef CURRENT_OPERATION_MODE_TCP
    #define DEFAULT_TCP_MODBUS_SOCKET   1
#endif

#endif