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https://github.com/espressif/esp-idf.git
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d0b9829eef
Add TCP port files to provide Modbus TCP interface for communication Add freemodbus add tcp support for common master/slave iface and tcp example based on socket API The communication between master and slave checked for each example serial_master, serial_slave (use ModbusPoll TCP) update tcp example according netif changes, fix ci issues update TCP slave implementation update example_test.py to to set IP through stdin update API documentation event bit instead of semahore to lock communication resource update default options and master/slave port files Closes https://github.com/espressif/esp-idf/issues/858 Closes IDF-452
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*=====================================================================================
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* Description:
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* The Modbus parameter structures used to define Modbus instances that
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* can be addressed by Modbus protocol. Define these structures per your needs in
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* your application. Below is just an example of possible parameters.
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*====================================================================================*/
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#ifndef _DEVICE_PARAMS
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#define _DEVICE_PARAMS
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// This file defines structure of modbus parameters which reflect correspond modbus address space
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// for each modbus register type (coils, discreet inputs, holding registers, input registers)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t discrete_input0:1;
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uint8_t discrete_input1:1;
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uint8_t discrete_input2:1;
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uint8_t discrete_input3:1;
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uint8_t discrete_input4:1;
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uint8_t discrete_input5:1;
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uint8_t discrete_input6:1;
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uint8_t discrete_input7:1;
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uint8_t discrete_input_port1:8;
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} discrete_reg_params_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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uint8_t coils_port0;
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uint8_t coils_port1;
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} coil_reg_params_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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float input_data0;
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float input_data1;
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float input_data2;
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float input_data3;
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uint16_t data[150];
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} input_reg_params_t;
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#pragma pack(pop)
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#pragma pack(push, 1)
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typedef struct
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{
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float holding_data0;
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float holding_data1;
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float holding_data2;
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float holding_data3;
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uint16_t test_regs[150];
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} holding_reg_params_t;
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#pragma pack(pop)
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extern holding_reg_params_t holding_reg_params;
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extern input_reg_params_t input_reg_params;
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extern coil_reg_params_t coil_reg_params;
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extern discrete_reg_params_t discrete_reg_params;
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#endif // !defined(_DEVICE_PARAMS)
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