Namespaces
namespace	CentralReg
	Central and global register addresses.

namespace	CH_CONFIG
	CH_CONFIG register bit definitions.

namespace	CH_CTRL
	CH_CTRL register bit definitions.

namespace	CH_CTRL_REG
	Channel CTRL register bit definitions.

namespace	CH_MODE
	Channel MODE register bit definitions.

namespace	ChannelBase
	Per-channel register base addresses.

namespace	ChannelReg
	Per-channel register offsets (add to channel base address)

namespace	DeviceID
	Device identification and version information.

namespace	DITHER_CTRL
	DITHER_CTRL register bit definitions.

namespace	DITHER_STEP
	DITHER_STEP register bit definitions.

namespace	FB_STAT
	FB_STAT register bit definitions.

namespace	GLOBAL_CONFIG
	GLOBAL_CONFIG register bit definitions.

namespace	GLOBAL_DIAG0
	GLOBAL_DIAG0 register bit definitions.

namespace	GLOBAL_DIAG1
	GLOBAL_DIAG1 register bit definitions.

namespace	GLOBAL_DIAG2
	GLOBAL_DIAG2 register bit definitions.

namespace	SETPOINT
	SETPOINT register bit definitions (per channel)

Classes
struct	ChannelConfig
	Channel configuration structure. More...

struct	ChannelDiagnostics
	Channel diagnostic information. More...

struct	DeviceStatus
	Global device status structure. More...

class	Driver
	Main TLE92466ED driver class. More...

class	ExampleHAL
	Example HAL implementation for 32-bit SPI. More...

struct	GlobalConfig
	Global configuration structure. More...

class	HAL
	Abstract Hardware Abstraction Layer (HAL) base class. More...

struct	SPIConfig
	SPI transaction configuration. More...

union	SPIFrame
	32-bit SPI frame structure for TLE92466ED communication More...

Concepts
concept	HALInterface
	Concept to verify a type implements the HAL interface.

Typedefs
template<typename T >
using	DriverResult = std::expected<T, DriverError>
	Driver result type using std::expected.

template<typename T >
using	HALResult = std::expected<T, HALError>
	Result type for HAL operations using std::expected (C++23)

Enumerations
enum class	DriverError : uint8_t { None = 0 , NotInitialized , HardwareError , InvalidChannel , InvalidParameter , DeviceNotResponding , WrongDeviceID , RegisterError , CRCError , FaultDetected , ConfigurationError , TimeoutError , WrongMode , SPIFrameError , WriteToReadOnly }
	Driver error codes. More...

enum class	HALError : uint8_t { None = 0 , BusError , Timeout , InvalidParameter , ChipselectError , TransferError , HardwareNotReady , BufferOverflow , CRCError , UnknownError }
	Error codes for HAL operations. More...

enum class	ReplyMode : uint8_t { REPLY_16BIT = 0b00 , REPLY_22BIT = 0b01 , CRITICAL_FAULT = 0b10 , RESERVED = 0b11 }
	SPI Reply Mode enumeration. More...

enum class	SPIStatus : uint8_t { NO_ERROR = 0b00000 , SPI_FRAME_ERROR = 0b00001 , CRC_ERROR = 0b00010 , WRITE_RO_REG = 0b00011 , INTERNAL_BUS_FAULT = 0b00100 }
	SPI Status codes. More...

enum class	Channel : uint8_t { CH0 = 0 , CH1 = 1 , CH2 = 2 , CH3 = 3 , CH4 = 4 , CH5 = 5 , COUNT = 6 }
	Channel enumeration. More...

enum class	ChannelMode : uint8_t { OFF = 0x0 , ICC = 0x1 , DIRECT_DRIVE_SPI = 0x2 , DIRECT_DRIVE_DRV0 = 0x3 , DIRECT_DRIVE_DRV1 = 0x4 , FREE_RUN_MEAS = 0xC }
	Channel operation mode. More...

enum class	SlewRate : uint8_t { SLOW_1V0_US = 0 , MEDIUM_2V5_US = 1 , FAST_5V0_US = 2 , FASTEST_10V0_US = 3 }
	Slew rate enumeration. More...

enum class	DiagCurrent : uint8_t { I_80UA = 0 , I_190UA = 1 , I_720UA = 2 , I_1250UA = 3 }
	OFF-state diagnostic current. More...

enum class	ParallelPair : uint8_t { NONE = 0 , CH0_CH3 = 1 , CH1_CH2 = 2 , CH4_CH5 = 3 }
	Parallel operation pairs. More...

Functions
constexpr uint16_t	get_channel_base (Channel channel) noexcept
	Get channel base address.

constexpr uint16_t	get_channel_register (Channel channel, uint16_t offset) noexcept
	Get channel register address.

constexpr uint8_t	to_index (Channel ch) noexcept
	Convert channel to index.

constexpr bool	is_valid_channel (Channel ch) noexcept
	Validate channel number.

constexpr uint8_t	calculate_crc8_j1850 (const uint8_t *data, size_t length) noexcept
	Calculate SAE J1850 CRC-8.

uint8_t	calculate_frame_crc (const SPIFrame &frame) noexcept
	Calculate CRC for SPI frame.

bool	verify_frame_crc (const SPIFrame &frame) noexcept
	Verify CRC in received frame.

Typedef Documentation

◆ DriverResult

template<typename T >

using TLE92466ED::DriverResult = std::expected<T, DriverError>

Driver result type using std::expected.

◆ HALResult

template<typename T >

using TLE92466ED::HALResult = std::expected<T, HALError>

Result type for HAL operations using std::expected (C++23)

Template Parameters

T	The success type

This provides a modern, safe way to return either a success value or an error.

Enumeration Type Documentation

◆ Channel

enum class TLE92466ED::Channel : uint8_t

strong

Channel enumeration.

Enumerator
CH0	Channel 0.
CH1	Channel 1.
CH2	Channel 2.
CH3	Channel 3.
CH4	Channel 4.
CH5	Channel 5.
COUNT	Total number of channels.

◆ ChannelMode

enum class TLE92466ED::ChannelMode : uint8_t

strong

Channel operation mode.

Enumerator
OFF	Channel off.
ICC	Integrated Current Control.
DIRECT_DRIVE_SPI	Direct drive via SPI TON register.
DIRECT_DRIVE_DRV0	Direct drive via DRV0 pin.
DIRECT_DRIVE_DRV1	Direct drive via DRV1 pin.
FREE_RUN_MEAS	Free running measurement mode.

◆ DiagCurrent

enum class TLE92466ED::DiagCurrent : uint8_t

strong

OFF-state diagnostic current.

Enumerator
I_80UA	80 µA
I_190UA	190 µA
I_720UA	720 µA
I_1250UA	1250 µA

◆ DriverError

enum class TLE92466ED::DriverError : uint8_t

strong

Driver error codes.

Enumerator
None	No error.
NotInitialized	Driver not initialized.
HardwareError	HAL communication error.
InvalidChannel	Invalid channel number.
InvalidParameter	Invalid parameter value.
DeviceNotResponding	Device not responding to SPI.
WrongDeviceID	Incorrect device ID read.
RegisterError	Register read/write error.
CRCError	CRC mismatch in SPI communication.
FaultDetected	Device fault detected.
ConfigurationError	Configuration failed.
TimeoutError	Operation timeout.
WrongMode	Operation not allowed in current mode.
SPIFrameError	SPI frame error from device.
WriteToReadOnly	Attempted write to read-only register.

◆ HALError

enum class TLE92466ED::HALError : uint8_t

strong

Error codes for HAL operations.

This enumeration defines all possible error conditions that can occur during hardware communication with the TLE92466ED IC.

Enumerator
None	No error occurred.
BusError	SPI bus communication error.
Timeout	Operation timed out.
InvalidParameter	Invalid parameter passed to function.
ChipselectError	Chip select control failed.
TransferError	Data transfer failed.
HardwareNotReady	Hardware not initialized or ready.
BufferOverflow	Buffer size exceeded.
CRCError	CRC mismatch error.
UnknownError	Unknown error occurred.

◆ ParallelPair

enum class TLE92466ED::ParallelPair : uint8_t

strong

Parallel operation pairs.

Enumerator
NONE	No parallel operation.
CH0_CH3	Channels 0 and 3 paralleled.
CH1_CH2	Channels 1 and 2 paralleled.
CH4_CH5	Channels 4 and 5 paralleled.

◆ ReplyMode

enum class TLE92466ED::ReplyMode : uint8_t

strong

SPI Reply Mode enumeration.

Enumerator
REPLY_16BIT	16-bit reply frame
REPLY_22BIT	22-bit reply frame (extended data)
CRITICAL_FAULT	Critical fault frame.
RESERVED	Reserved.

◆ SlewRate

enum class TLE92466ED::SlewRate : uint8_t

strong

Slew rate enumeration.

Enumerator
SLOW_1V0_US	1.0 V/µs
MEDIUM_2V5_US	2.5 V/µs
FAST_5V0_US	5.0 V/µs
FASTEST_10V0_US	10.0 V/µs

◆ SPIStatus

enum class TLE92466ED::SPIStatus : uint8_t

strong

SPI Status codes.

Enumerator
NO_ERROR	No error.
SPI_FRAME_ERROR	SPI frame error.
CRC_ERROR	Parity/CRC error.
WRITE_RO_REG	Write to read-only register.
INTERNAL_BUS_FAULT	Internal bus fault.

Function Documentation

◆ calculate_crc8_j1850()

constexpr uint8_t TLE92466ED::calculate_crc8_j1850	(	const uint8_t *	data,
		size_t	length )

constexprnoexcept

Calculate SAE J1850 CRC-8.

Polynomial: 0x1D (x^8 + x^4 + x^3 + x^2 + 1) Initial value: 0xFF Final XOR: 0xFF

Parameters

data	Pointer to data bytes
length	Number of bytes

Returns: CRC-8 value

◆ calculate_frame_crc()

uint8_t TLE92466ED::calculate_frame_crc ( const SPIFrame & frame )

inlinenoexcept

Calculate CRC for SPI frame.

Parameters

frame SPI frame (CRC field should be 0)

Returns: Calculated CRC value

◆ get_channel_base()

constexpr uint16_t TLE92466ED::get_channel_base ( Channel channel )

constexprnoexcept

Get channel base address.

Parameters

channel Channel number (0-5)

Returns: Base address for channel registers

◆ get_channel_register()

constexpr uint16_t TLE92466ED::get_channel_register	(	Channel	channel,
		uint16_t	offset )

constexprnoexcept

Get channel register address.

Parameters

channel	Channel number
offset	Register offset from channel base

Returns: Complete register address

◆ is_valid_channel()

constexpr bool TLE92466ED::is_valid_channel ( Channel ch )

constexprnoexcept

Validate channel number.

◆ to_index()

constexpr uint8_t TLE92466ED::to_index ( Channel ch )

constexprnoexcept

Convert channel to index.

◆ verify_frame_crc()

bool TLE92466ED::verify_frame_crc ( const SPIFrame & frame )

inlinenoexcept

Verify CRC in received frame.

Parameters

frame Received SPI frame

Returns: true if CRC is valid

Namespaces

Classes

Concepts

Typedefs

Enumerations

Functions

Typedef Documentation

◆ DriverResult

◆ HALResult

Enumeration Type Documentation

◆ Channel

◆ ChannelMode

◆ DiagCurrent

◆ DriverError

◆ HALError

◆ ParallelPair

◆ ReplyMode

◆ SlewRate

◆ SPIStatus

Function Documentation

◆ calculate_crc8_j1850()

◆ calculate_frame_crc()

◆ get_channel_base()

◆ get_channel_register()

◆ is_valid_channel()

◆ to_index()

◆ verify_frame_crc()