1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.
Dependents: MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more
Superseded by MaximInterface.
OneWire_Masters/DS2465/DS2465.hpp
- Committer:
- IanBenzMaxim
- Date:
- 2016-03-22
- Revision:
- 24:8942d8478d68
- Parent:
- 21:00c94aeb533e
- Child:
- 26:a361e3f42ba5
File content as of revision 24:8942d8478d68:
#ifndef DS2465_H #define DS2465_H #include "mbed.h" #include "OneWire_Masters/OneWireMaster.h" #include "OneWire_Masters/ISha256MacCoprocessor.hpp" class DS2465 : public OneWireMaster, public ISha256MacCoprocessor { public: enum Direction { DIRECTION_WRITE_ZERO = 0, DIRECTION_WRITE_ONE = 1 }; enum PageRegion { REGION_FULL_PAGE = 0x03, REGION_FIRST_HALF = 0x01, REGION_SECOND_HALF = 0x02 }; enum MemoryAddr { ADDR_SPAD = 0x00, ADDR_CMD_REG = 0x60, ADDR_STATUS_REG = 0x61, ADDR_DATA_REG = 0x62, ADDR_MAC_READ = 0x63, ADDR_SHA_SELECT_REG = 0x66, ADDR_WCFG_REG = 0x67, ADDR_TRSTL_REG = 0x68, ADDR_TMSP_REG = 0x69, ADDR_TW0L_REG = 0x6A, ADDR_TREC0_REG = 0x6B, ADDR_RWPU_REG = 0x6C, ADDR_TW1L_REG = 0x6D, ADDR_USER_MEM_PAGE_0 = 0x80, ADDR_USER_MEM_PAGE_1 = 0xA0 }; DS2465(I2C & I2C_interface, std::uint8_t I2C_address); // Const member functions should not change the settings of the DS2465 or affect the state of the 1-Wire bus. // Read pointer, scratchpad, MAC output register, and command register on the DS2465 are considered mutable. //Misc. Functions OneWireMaster::CmdResult Detect(void); OneWireMaster::CmdResult Reset(void); // Resets DS2465 (NOTE: This is NOT a 1-Wire Reset) // DS2465 Memory Commands OneWireMaster::CmdResult ReadMemory(std::uint8_t addr, std::uint8_t * buf, size_t bufLen, bool skip_set_pointer = false) const; OneWireMaster::CmdResult WriteMemory(std::uint8_t addr, const std::uint8_t * buf, std::size_t bufLen) { return CWriteMemory(addr, buf, bufLen); } OneWireMaster::CmdResult WriteScratchpad(const std::uint8_t * buf, std::size_t bufLen) const { return CWriteMemory(ADDR_SPAD, buf, bufLen); } OneWireMaster::CmdResult CopyScratchpad(bool dest_secret, unsigned int pageNum, bool notFull, unsigned int segmentNum); // 1-Wire Master Commands virtual OneWireMaster::CmdResult OWInitMaster(void); virtual OneWireMaster::CmdResult OWReset(void); // Issues a 1-Wire Reset Pulse virtual OneWireMaster::CmdResult OWSearch(RomId & romId); virtual OneWireMaster::CmdResult OWReadByte(uint8_t & recvbyte); virtual OneWireMaster::CmdResult OWWriteByte(uint8_t sendbyte); virtual OneWireMaster::CmdResult OWTouchBit(uint8_t & sendrecvbit); virtual OneWireMaster::CmdResult OWSpeed(OW_SPEED new_speed); virtual OneWireMaster::CmdResult OWLevel(OW_LEVEL new_level); virtual OneWireMaster::CmdResult OWReadBlock(uint8_t *rx_buf, uint8_t rx_len); virtual OneWireMaster::CmdResult OWWriteBlock(const uint8_t *tran_buf, uint8_t tran_len); OneWireMaster::CmdResult OWWriteBlock(bool tx_mac, const uint8_t *tran_buf, uint8_t tran_len); OneWireMaster::CmdResult OWPowerDown(void); OneWireMaster::CmdResult OWPowerUp(void); OneWireMaster::CmdResult ConfigureAPU(bool apu_enable); OneWireMaster::CmdResult Triplet(Direction search_direction, uint8_t & status); virtual OneWireMaster::CmdResult OWWriteBytePower(uint8_t sendbyte); virtual OneWireMaster::CmdResult OWReadBytePower(uint8_t & recvbyte); virtual OneWireMaster::CmdResult OWReadBitPower(uint8_t applyPowerResponse); virtual OneWireMaster::CmdResult OWBlock(uint8_t *tran_buf, uint8_t tran_len); //DS2465 Coprocessor Commands OneWireMaster::CmdResult Compute_NextMasterSecret(bool swap, unsigned int pageNum, PageRegion region); OneWireMaster::CmdResult Compute_WriteMAC(bool regwrite, bool swap, unsigned int pageNum, unsigned int segmentNum) const; OneWireMaster::CmdResult Compute_SSecret(bool swap, unsigned int pageNum, PageRegion region); OneWireMaster::CmdResult Compute_AuthMAC(bool swap, unsigned int pageNum, PageRegion region) const; virtual ISha256MacCoprocessor::CmdResult setMasterSecret(const std::uint8_t (&secret)[ISha256MacCoprocessor::secret_len]); virtual ISha256MacCoprocessor::CmdResult ComputeAndRead_WriteMAC(const std::uint8_t (&WriteMAC_data)[WriteMAC_data_len], std::uint8_t (&mac)[mac_len]) const; virtual ISha256MacCoprocessor::CmdResult ComputeAndRead_AuthMAC(const std::uint8_t (&devicePage)[devicePage_len], const std::uint8_t (&challenge)[deviceScratchpad_len], const std::uint8_t (&AuthMAC_data)[AuthMAC_data_len], std::uint8_t (&mac)[mac_len]) const; virtual ISha256MacCoprocessor::CmdResult Compute_SSecret(const std::uint8_t (&devicePage)[devicePage_len], const std::uint8_t (&deviceScratchpad)[deviceScratchpad_len], const std::uint8_t (&SSecret_data)[SSecret_data_len]); private: struct Config { bool c1WS, cSPU, cPDN, cAPU; std::uint8_t readByte() const; std::uint8_t writeByte() const; void reset(); Config() { reset(); } }; I2C & m_I2C_interface; std::uint8_t m_I2C_address; Config m_curConfig; OneWireMaster::CmdResult CWriteMemory(std::uint8_t addr, const std::uint8_t * buf, std::size_t bufLen) const; OneWireMaster::CmdResult WriteConfig(const Config & config); OneWireMaster::CmdResult PollBusy(uint8_t * pStatus = NULL); }; #endif