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Code: Untitled.c Select all

// Modbus master initialization

static esp_err_t master_init(mb_communication_info_t* comm_info)

{

    void* master_handler = NULL;







/*===================MODBUS MASTER TCP=================================*/

    comm_info->ip_port = MB_TCP_PORT;

    comm_info->ip_addr_type = ip_addr_type;

    comm_info->ip_mode = MB_MODE_TCP;

    comm_info->ip_addr = (void*)slave_ip_address_table;

    comm_info->ip_netif_ptr = (void*)eth_netif;



/*===================MODBUS MASTER RTU=================================*/

    comm_info->port = 2;

    comm_info->mode = MB_MODE_RTU;

    comm_info->baudrate = 115200;

    comm_info->parity = MB_PARITY_NONE;







/*===================MODBUS MASTER TCP INIT()=================================*/

    esp_err_t err = mbc_master_init_tcp(&master_handler);

    ESP_RETURN_ON_FALSE((master_handler != NULL), ESP_ERR_INVALID_STATE,

                                MASTER_TAG,

                                "mb controller initialization fail.");

    ESP_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE,

                            MASTER_TAG,

                            "mb controller initialization fail, returns(0x%x).",

                            (uint32_t)err);









/*===================MODBUS MASTER RTU INIT()=================================*/

    err = mbc_master_init(MB_PORT_SERIAL_MASTER, &master_handler);

    ESP_RETURN_ON_FALSE((master_handler != NULL), ESP_ERR_INVALID_STATE,

                                MASTER_TAG,

                                "mb controller initialization fail.");

    ESP_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE,

                            MASTER_TAG,

                            "mb controller initialization fail, returns(0x%x).",

                            (uint32_t)err);





    // Set UART pin numbers

    err = uart_set_pin(MB_PORT_NUM, CONFIG_MB_UART_TXD, CONFIG_MB_UART_RXD,

                              CONFIG_MB_UART_RTS, UART_PIN_NO_CHANGE);







    err = mbc_master_setup((void*)comm_info);

    ESP_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE,

                            MASTER_TAG,

                            "mb controller setup fail, returns(0x%x).",

                            (uint32_t)err);



    err = mbc_master_set_descriptor(&device_parameters[0], num_device_parameters);

    printf("num_device_parameters = %d\n", num_device_parameters);

    ESP_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE,

                                MASTER_TAG,

                                "mb controller set descriptor fail, returns(0x%x).",

                                (uint32_t)err);

    debug_print("Modbus master stack initialized...");



    err = mbc_master_start();

    ESP_RETURN_ON_FALSE((err == ESP_OK), ESP_ERR_INVALID_STATE,

                            MASTER_TAG,

                            "mb controller start fail, returns(0x%x).",

                            (uint32_t)err);

    vTaskDelay(5);

    return err;

}

}