164 lines
4.8 KiB
C++
164 lines
4.8 KiB
C++
/*
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* PackagerADS1259.h
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*
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* Created on: 7 авг. 2019 г.
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* Author: user
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*/
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#ifndef SOURCE_DRIVER_CHIPSET_PACKAGERADS1259_H_
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#define SOURCE_DRIVER_CHIPSET_PACKAGERADS1259_H_
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#include <cstddef>
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#include <stdint.h>
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namespace driver { namespace chipset {
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struct PackagerADS1259 {
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typedef uint16_t Data; //!<Тип данных используемых пользователем для хранения полезной информации.
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typedef uint32_t Frame; //!<Тип данных отправляемый и получаемый по линии связи.
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static const std::size_t FrameSize; //!<Фиксированный размер кадра передаваемого по линии связи.
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typedef uint16_t RegAddress; //!<Тип адреса регистра в устройстве.
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static Frame encode( RegAddress rg_address, Data data, bool write_nread );
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static Frame encode( RegAddress control_reg );
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static Data decode( Frame frame );
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struct Packager {
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typedef PackagerADS1259::Frame Frame;
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typedef PackagerADS1259::Data Data;
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RegAddress rg_address;
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bool write_nread;
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Frame pack( Data ) const;
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Data unpack( Frame ) const;
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};
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struct CommandPackager {
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typedef PackagerADS1259::Frame Frame;
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typedef PackagerADS1259::Data Data;
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Frame pack( Data ) const;
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Data unpack( Frame ) const;
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};
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struct AdcResultPackager {
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static const uint32_t read_adc_command = 0x12 << 8;
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typedef uint32_t Frame;
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typedef uint32_t Data;
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Frame pack( Data ) const;
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Data unpack( Frame ) const;
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};
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struct AdcContModePackager {
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typedef uint32_t Frame;
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typedef uint32_t Data;
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static Frame encode() { return 0xFFFFFFFFul; }
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static Data decode(Frame frame) { return (frame >> 16ul) | (frame << 16ul); }
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struct RdataCrc {
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uint32_t adc_result : 24;
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uint32_t crc : 8;
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static RdataCrc createRdataCrc(uint32_t data) { return { .adc_result = data >> 8, .crc = data & 0xFF }; }
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static uint16_t calcCrc(uint32_t data) { return ( (data >> 8) + (data >> 16) + data + 0x9B ) & 0xFF; }
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static bool checkCrc(const RdataCrc & rdata) { return rdata.crc == calcCrc(rdata.adc_result); }
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};
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};
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private:
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static const uint16_t READ_OP_CODE = 0x02;
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static const uint16_t WRITE_OP_CODE = 0x04;
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//!Структура адресного заголовка фрейма.
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struct AddressingRegisterForm {
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uint16_t NUM_REG_TO_READ : 8;
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uint16_t REGISTER_ADDRESS : 4;
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uint16_t READ_WRITE_OP : 4;
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AddressingRegisterForm(uint16_t reg_addr, bool write_nread) :
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REGISTER_ADDRESS(reg_addr),
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READ_WRITE_OP(write_nread ? WRITE_OP_CODE : READ_OP_CODE),
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NUM_REG_TO_READ(0) {}
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};
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//!Структура компановки адресного заголовка и СЛОВА данных.
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struct RegisterAddressAndData {
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AddressingRegisterForm address;
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Data data;
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RegisterAddressAndData(uint16_t reg_addr, bool write_nread, Data data) :
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address(reg_addr, write_nread),
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data(data << 8) {}
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};
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struct CommandRegisterForm {
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uint16_t c1 : 8;
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uint16_t command : 8;
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uint16_t c2 : 16;
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CommandRegisterForm(uint16_t command) : command(command), c1(0), c2(0) {}
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};
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};
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} /* namespace chipset */
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} /* namespace driver */
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inline driver::chipset::PackagerADS1259::Packager::Frame driver::chipset::PackagerADS1259::Packager::pack(
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Data data ) const {
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return encode( rg_address, data, write_nread );
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}
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inline driver::chipset::PackagerADS1259::Packager::Data driver::chipset::PackagerADS1259::Packager::unpack(
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Frame frame ) const {
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return decode( frame );
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}
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inline driver::chipset::PackagerADS1259::CommandPackager::Frame driver::chipset::PackagerADS1259::CommandPackager::pack(
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Data data) const {
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return encode( data );
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}
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inline driver::chipset::PackagerADS1259::CommandPackager::Data driver::chipset::PackagerADS1259::CommandPackager::unpack(
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Frame frame) const {
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return 0;
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}
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inline driver::chipset::PackagerADS1259::AdcResultPackager::Frame driver::chipset::PackagerADS1259::AdcResultPackager::pack(
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Data data) const {
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return read_adc_command;
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}
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inline driver::chipset::PackagerADS1259::AdcResultPackager::Data driver::chipset::PackagerADS1259::AdcResultPackager::unpack(
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Frame frame) const {
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return ((frame >> 16ul) | (frame << 16ul)) & 0xFFFFFFul;
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}
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#endif /* SOURCE_DRIVER_CHIPSET_PACKAGERADS1259_H_ */
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