#include "modbus_params.h"  // for modbus parameters structures
#include "mbcontroller.h"
#include "string.h"
#include "esp_log.h"

#define MB_PORT_NUM     (UART_NUM_1)   // Number of UART port used for Modbus connection
#define MB_DEV_SPEED    (9600)  // The communication speed of the UART

// Note: Some pins on target chip cannot be assigned for UART communication.
// See UART documentation for selected board and target to configure pins using Kconfig.

// The number of parameters that intended to be used in the particular control process
#define MASTER_MAX_CIDS num_device_parameters

// Number of reading of parameters from slave
#define MASTER_MAX_RETRY 3

// Timeout to update cid over Modbus
#define UPDATE_CIDS_TIMEOUT_MS          (500)
#define UPDATE_CIDS_TIMEOUT_TICS        (UPDATE_CIDS_TIMEOUT_MS / portTICK_PERIOD_MS)

// Timeout between polls
#define POLL_TIMEOUT_MS                 (1)
#define POLL_TIMEOUT_TICS               (POLL_TIMEOUT_MS / portTICK_PERIOD_MS)

// The macro to get offset for parameter in the appropriate structure
#define HOLD_OFFSET(field) ((uint16_t)(offsetof(holding_reg_params_t, field) + 1))
#define INPUT_OFFSET(field) ((uint16_t)(offsetof(input_reg_params_t, field) + 1))
#define COIL_OFFSET(field) ((uint16_t)(offsetof(coil_reg_params_t, field) + 1))
// Discrete offset macro
#define DISCR_OFFSET(field) ((uint16_t)(offsetof(discrete_reg_params_t, field) + 1))

#define STR(fieldname) ((const char*)( fieldname ))
// Options can be used as bit masks or parameter limits
#define OPTS(min_val, max_val, step_val) { .opt1 = min_val, .opt2 = max_val, .opt3 = step_val }

/*串口通讯接口定义*/
#define CONFIG_MB_UART_TXD 0
#define CONFIG_MB_UART_RXD 1

//#define MB_PORT_NUM UART_NUM_1
//#define MB_DEV_SPEED 9600

// Enumeration of modbus device addresses accessed by master device
enum {
    MB_DEVICE_ADDR1 = 1 // Only one slave device used for the test (add other slave addresses here)
};

// Enumeration of all supported CIDs for device (used in parameter definition table)
enum {
    CID_INP_DATA_0 = 0,
    CID_HOLD_DATA_0,
    CID_INP_DATA_1,
    CID_HOLD_DATA_1,
    CID_INP_DATA_2,
    CID_HOLD_DATA_2,
    CID_HOLD_TEST_REG,
    CID_RELAY_P1,
    CID_RELAY_P2,
    CID_DISCR_P1,
    CID_COUNT
};

#define USE_MODBUS_OFFICIAL 0


#ifdef __cplusplus
extern "C" {
#endif

/*Modbus总线初始化函数*/
esp_err_t modbus_master_init(void);

void master_operation_func(void *arg);

static void* master_get_param_data(const mb_parameter_descriptor_t* param_descriptor);


#ifdef __cplusplus
}
#endif