ESP-IDF
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Outline
#define _DEVICE_PARAMS
#include <stdint.h>
discrete_reg_params_t
coil_reg_params_t
input_reg_params_t
holding_reg_params_t
holding_reg_params;
input_reg_params;
coil_reg_params;
discrete_reg_params;
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SourceVuESP-IDF Framework and ExamplesESP-IDFexamples/protocols/modbus/mb_example_common/include/modbus_params.h
 
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/* * SPDX-FileCopyrightText: 2016-2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 *//* ... */ /*===================================================================================== * Description: * The Modbus parameter structures used to define Modbus instances that * can be addressed by Modbus protocol. Define these structures per your needs in * your application. Below is just an example of possible parameters. *====================================================================================*//* ... */ #ifndef _DEVICE_PARAMS #define _DEVICE_PARAMS #include <stdint.h> // This file defines structure of modbus parameters which reflect correspond modbus address space // for each modbus register type (coils, discreet inputs, holding registers, input registers) #pragma pack(push, 1) typedef struct { uint8_t discrete_input0:1; uint8_t discrete_input1:1; uint8_t discrete_input2:1; uint8_t discrete_input3:1; uint8_t discrete_input4:1; uint8_t discrete_input5:1; uint8_t discrete_input6:1; uint8_t discrete_input7:1; uint8_t discrete_input_port1; uint8_t discrete_input_port2; }{ ... } discrete_reg_params_t; #pragma pack(pop) #pragma pack(push, 1) typedef struct { uint8_t coils_port0; uint8_t coils_port1; uint8_t coils_port2; }{ ... } coil_reg_params_t; #pragma pack(pop) #pragma pack(push, 1) typedef struct { float input_data0; // 0 float input_data1; // 2 float input_data2; // 4 float input_data3; // 6 uint16_t data[150]; // 8 + 150 = 158 float input_data4; // 158 float input_data5; float input_data6; float input_data7; uint16_t data_block1[150]; }{ ... } input_reg_params_t; #pragma pack(pop) #pragma pack(push, 1) typedef struct { float holding_data0; float holding_data1; float holding_data2; float holding_data3; uint16_t test_regs[150]; float holding_data4; float holding_data5; float holding_data6; float holding_data7; }{ ... } holding_reg_params_t; #pragma pack(pop) extern holding_reg_params_t holding_reg_params; extern input_reg_params_t input_reg_params; extern coil_reg_params_t coil_reg_params; extern discrete_reg_params_t discrete_reg_params; /* ... */ #endif // !defined(_DEVICE_PARAMS)
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