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126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
4 weeks ago
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/*
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* ModbusRTUTransceiver.h
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*
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* Author: Aleksey Gerasimenko
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* gerasimenko.aleksey.n@gmail.com
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*/
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#include <math.h>
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#include <stdint.h>
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#include <DSP28x_Project.h>
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#include "DSP28335/GPIO.h"
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#include "DSP28335/CPUTimers.h"
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#include "DSP28335/MeasureTimeInterval.h"
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#include "DSP28335/SCIA.h"
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#include "DSP28335/SCIB.h"
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#include "DSP28335/SCIBase.h"
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#include "DSP28335/SCIC.h"
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#include "MODBUSRTU/ModbusRTUTransceiverBase.h"
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#include "MODBUSRTU/ModbusRTUCRC.h"
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#include "MODBUSRTU/ModbusRTUDefines.h"
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#include "MODBUSRTU/ModbusRTUVariant.h"
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#ifndef MODBUSRTU_MODBUSRTUTRANSCEIVER_H_
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#define MODBUSRTU_MODBUSRTUTRANSCEIVER_H_
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namespace MODBUSRTU
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{
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class ModbusRTUTransceiver
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{
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private:
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DSP28335::SCIBase& m_sci_port;
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DSP28335::SCIConfiguration m_sci_config;
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uint16_t m_node_id;
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private:
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MODBUSRTU::transceiver_state_machine_t m_state_machine;
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MODBUSRTU::transceiver_event_t m_event;
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private:
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DSP28335::MeasureTimeInterval& m_interval_measure;
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Uint32 m_interval_pause;
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Uint32 m_interval_b5;
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Uint32 m_interval_b75;
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Uint32 m_interval_1b;
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Uint32 m_interval_1b25;
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Uint32 m_interval_1b5;
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Uint32 m_interval_1b75;
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Uint32 m_interval_3b5;
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Uint32 m_interval_freeze;
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Uint32 m_interval_current;
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private:
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uint16_t m_rx_buffer[256];
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uint16_t m_tx_buffer[256];
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uint16_t m_rx_count;
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uint16_t m_tx_count;
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uint16_t m_tx_length;
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//
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private:
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uint16_t m_aux_rx_buf;
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uint16_t m_aux_rx_count;
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uint16_t m_aux_tx_buf;
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uint16_t m_aux_tx_count;
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private:
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bool m_crc_status;
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MODBUSRTU::ModbusRTUCRC& m_crc;
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uint16_t m_crc_calculate;
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uint16_t m_crc_rx_frame;
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uint16_t m_crc_tx_frame;
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private:
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uint16_t *m_rx_external_buffer;
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uint16_t *m_tx_external_buffer;
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uint16_t *m_rx_messaage_length;
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uint16_t *m_tx_message_length;
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private:
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uint16_t *m_destination;
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uint16_t *m_source_start;
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uint16_t *m_source_end;
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uint16_t m_copy_length;
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public:
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ModbusRTUTransceiver(DSP28335::SCIBase& sciport, DSP28335::MeasureTimeInterval& interval_measure, MODBUSRTU::ModbusRTUCRC& crc);
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void setup(ModbusRTUTransceiverSetup& setup);
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void configure(ModbusRTUTransceiverConfiguration& config);
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void port_reset();
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bool compare_state(MODBUSRTU::transceiver_state_machine_t state_machine);
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public:
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void execute();
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public:
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void setRXBuffer(uint16_t *bufferStart, uint16_t *messageLen);
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void setTXBuffer(uint16_t *bufferStart, uint16_t *messageLen);
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private:
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void _set_receive_node_id();
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void _set_receive_function();
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void _set_receive_data();
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void _set_wait_response();
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void _set_transmit_data();
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void _set_break_condition();
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private:
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void (ModbusRTUTransceiver::*_execute)();
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void (ModbusRTUTransceiver::*_frame_transceiver)();
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void _execute_transceiver();
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void _execute_break();
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void _frame_receive_node_id();
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void _frame_receive_function();
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void _frame_receive_data();
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void _frame_wait_response();
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void _frame_transmit_data();
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void _frame_break_condition();
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private:
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inline void _frame_copy();
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inline void _frame_copy_erase();
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void _frame_copy(uint16_t *source, uint16_t length, uint16_t *destination);
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private:
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void (*_re_de_setup)();
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void (*_driver_enable)();
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void (*_receiver_enable)();
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};
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} /* namespace MODBUSRTU */
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#endif /* MODBUSRTU_MODBUSRTUTRANSCEIVER_H_ */
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