hf::stm32 Namespace Reference

Namespaces
namespace	pin
	Convenience aliases for common pins (PA0, PA1, ... PK15)

Enumerations
enum class	GpioPort : hf_u8_t {   A = 0 , B = 1 , C = 2 , D = 3 ,   E = 4 , F = 5 , G = 6 , H = 7 ,   I = 8 , J = 9 , K = 10 }
	GPIO port index (A=0, B=1, ... K=10) More...
enum class	HalStatus : hf_u8_t { OK = 0x00U , ERROR = 0x01U , BUSY = 0x02U , TIMEOUT = 0x03U }
	STM32 HAL status codes (mirrors HAL_StatusTypeDef without HAL include) More...

Functions
constexpr hf_pin_num_t	EncodePin (GpioPort port, hf_u8_t pin) noexcept
	Encode (port, pin) → hf_pin_num_t.
constexpr hf_u8_t	DecodePinPort (hf_pin_num_t pin) noexcept
	Decode hf_pin_num_t → port index.
constexpr hf_u8_t	DecodePinIndex (hf_pin_num_t pin) noexcept
	Decode hf_pin_num_t → pin within port (0-15)
constexpr hf_u16_t	DecodePinMask (hf_pin_num_t pin) noexcept
	Decode hf_pin_num_t → STM32 HAL pin mask (GPIO_PIN_0 .. GPIO_PIN_15)
constexpr HalStatus	ToHalStatus (hf_u32_t raw_status) noexcept
	Convert raw HAL_StatusTypeDef to our enum.
constexpr bool	IsHalOk (hf_u32_t raw_status) noexcept
	Check if a raw HAL status indicates success.

Variables
static constexpr hf_u8_t	kMaxGpioPorts = 11
	Maximum GPIO ports (A..K = 11 on largest STM32H7)
static constexpr hf_u8_t	kPinsPerPort = 16
	Maximum pins per GPIO port.
static constexpr hf_u16_t	kMaxGpioPins = kMaxGpioPorts * kPinsPerPort
	Maximum total GPIO pins (ports * pins_per_port)
static constexpr hf_u8_t	kAdcMaxChannels = 20
	ADC maximum channels (typical STM32F4/H7)
static constexpr hf_u8_t	kAdcMaxResolutionBits = 16
	ADC maximum resolution (bits)
static constexpr hf_u8_t	kAdcDefaultResolutionBits = 12
static constexpr float	kAdcDefaultVrefV = 3.3f
	ADC reference voltage (V) — most STM32 boards.
static constexpr hf_u32_t	kI2cMaxFreqHz = 1000000
	I2C limits.
static constexpr hf_u32_t	kI2cStandardFreqHz = 100000
static constexpr hf_u32_t	kI2cFastFreqHz = 400000
static constexpr hf_u32_t	kI2cFastPlusFreqHz = 1000000
static constexpr hf_u16_t	kI2cMaxTransferBytes = 65535
static constexpr hf_u32_t	kSpiMaxFreqHz = 50000000
	SPI limits.
static constexpr hf_u32_t	kSpiDefaultFreqHz = 1000000
static constexpr hf_u16_t	kSpiMaxTransferBytes = 65535
static constexpr hf_u32_t	kUartMaxBaudRate = 10000000
	UART limits.
static constexpr hf_u32_t	kUartDefaultBaudRate = 115200
static constexpr hf_u16_t	kUartDefaultBufferSize = 256
static constexpr hf_u64_t	kTimerMinPeriodUs = 1
	Timer limits (in microseconds)
static constexpr hf_u64_t	kTimerMaxPeriodUs = 4294967295ULL
static constexpr hf_u64_t	kTimerResolutionUs = 1
static constexpr hf_u32_t	kPwmMaxFreqHz = 1000000
	PWM limits.
static constexpr hf_u32_t	kPwmMinFreqHz = 1
static constexpr hf_u16_t	kPwmMaxResolution = 65535
static constexpr hf_u8_t	kPwmMaxChannelsPerTimer = 4
static constexpr hf_u32_t	kCanMaxBaudRate = 1000000
	CAN limits.
static constexpr hf_u32_t	kCanFdMaxBaudRate = 8000000
static constexpr hf_u16_t	kCanDefaultQueueSize = 16
static constexpr size_t	kNvsMaxKeyLength = 64
	Flash/NVS limits.
static constexpr size_t	kNvsMaxValueSize = 4096
static constexpr size_t	kNvsDefaultSectorSize = 4096
static constexpr float	kTempSensorMinC = -40.0f
	Temperature sensor.
static constexpr float	kTempSensorMaxC = 125.0f
static constexpr float	kTempSensorTypAccuracyC = 1.5f
static constexpr hf_u32_t	kLoggerMaxMessageLen = 256
	Logger.
static constexpr hf_u32_t	kLoggerDefaultBufferSize = 1024

Enumeration Type Documentation

GpioPort

enum class hf::stm32::GpioPort : hf_u8_t

strong

GPIO port index (A=0, B=1, ... K=10)

Enumerator
A
B
C
D
E
F
G
H
I
J
K

HalStatus

enum class hf::stm32::HalStatus : hf_u8_t

strong

STM32 HAL status codes (mirrors HAL_StatusTypeDef without HAL include)

Enumerator
OK
ERROR
BUSY
TIMEOUT

Function Documentation

DecodePinIndex()

constexpr hf_u8_t hf::stm32::DecodePinIndex ( hf_pin_num_t  pin )

constexprnoexcept

Decode hf_pin_num_t → pin within port (0-15)

DecodePinMask()

constexpr hf_u16_t hf::stm32::DecodePinMask ( hf_pin_num_t  pin )

constexprnoexcept

Decode hf_pin_num_t → STM32 HAL pin mask (GPIO_PIN_0 .. GPIO_PIN_15)

DecodePinPort()

constexpr hf_u8_t hf::stm32::DecodePinPort ( hf_pin_num_t  pin )

constexprnoexcept

Decode hf_pin_num_t → port index.

EncodePin()

constexpr hf_pin_num_t hf::stm32::EncodePin ( GpioPort  port, hf_u8_t  pin  )

constexprnoexcept

Encode (port, pin) → hf_pin_num_t.

IsHalOk()

constexpr bool hf::stm32::IsHalOk ( hf_u32_t  raw_status )

constexprnoexcept

Check if a raw HAL status indicates success.

ToHalStatus()

constexpr HalStatus hf::stm32::ToHalStatus ( hf_u32_t  raw_status )

constexprnoexcept

Convert raw HAL_StatusTypeDef to our enum.

Variable Documentation

kAdcDefaultResolutionBits

constexpr hf_u8_t hf::stm32::kAdcDefaultResolutionBits = 12

staticconstexpr

kAdcDefaultVrefV

constexpr float hf::stm32::kAdcDefaultVrefV = 3.3f

staticconstexpr

ADC reference voltage (V) — most STM32 boards.

kAdcMaxChannels

constexpr hf_u8_t hf::stm32::kAdcMaxChannels = 20

staticconstexpr

ADC maximum channels (typical STM32F4/H7)

kAdcMaxResolutionBits

constexpr hf_u8_t hf::stm32::kAdcMaxResolutionBits = 16

staticconstexpr

ADC maximum resolution (bits)

kCanDefaultQueueSize

constexpr hf_u16_t hf::stm32::kCanDefaultQueueSize = 16

staticconstexpr

kCanFdMaxBaudRate

constexpr hf_u32_t hf::stm32::kCanFdMaxBaudRate = 8000000

staticconstexpr

kCanMaxBaudRate

constexpr hf_u32_t hf::stm32::kCanMaxBaudRate = 1000000

staticconstexpr

CAN limits.

kI2cFastFreqHz

constexpr hf_u32_t hf::stm32::kI2cFastFreqHz = 400000

staticconstexpr

kI2cFastPlusFreqHz

constexpr hf_u32_t hf::stm32::kI2cFastPlusFreqHz = 1000000

staticconstexpr

kI2cMaxFreqHz

constexpr hf_u32_t hf::stm32::kI2cMaxFreqHz = 1000000

staticconstexpr

I2C limits.

kI2cMaxTransferBytes

constexpr hf_u16_t hf::stm32::kI2cMaxTransferBytes = 65535

staticconstexpr

kI2cStandardFreqHz

constexpr hf_u32_t hf::stm32::kI2cStandardFreqHz = 100000

staticconstexpr

kLoggerDefaultBufferSize

constexpr hf_u32_t hf::stm32::kLoggerDefaultBufferSize = 1024

staticconstexpr

kLoggerMaxMessageLen

constexpr hf_u32_t hf::stm32::kLoggerMaxMessageLen = 256

staticconstexpr

Logger.

kMaxGpioPins

constexpr hf_u16_t hf::stm32::kMaxGpioPins = kMaxGpioPorts * kPinsPerPort

staticconstexpr

Maximum total GPIO pins (ports * pins_per_port)

kMaxGpioPorts

constexpr hf_u8_t hf::stm32::kMaxGpioPorts = 11

staticconstexpr

Maximum GPIO ports (A..K = 11 on largest STM32H7)

kNvsDefaultSectorSize

constexpr size_t hf::stm32::kNvsDefaultSectorSize = 4096

staticconstexpr

kNvsMaxKeyLength

constexpr size_t hf::stm32::kNvsMaxKeyLength = 64

staticconstexpr

Flash/NVS limits.

kNvsMaxValueSize

constexpr size_t hf::stm32::kNvsMaxValueSize = 4096

staticconstexpr

kPinsPerPort

constexpr hf_u8_t hf::stm32::kPinsPerPort = 16

staticconstexpr

Maximum pins per GPIO port.

kPwmMaxChannelsPerTimer

constexpr hf_u8_t hf::stm32::kPwmMaxChannelsPerTimer = 4

staticconstexpr

kPwmMaxFreqHz

constexpr hf_u32_t hf::stm32::kPwmMaxFreqHz = 1000000

staticconstexpr

PWM limits.

kPwmMaxResolution

constexpr hf_u16_t hf::stm32::kPwmMaxResolution = 65535

staticconstexpr

kPwmMinFreqHz

constexpr hf_u32_t hf::stm32::kPwmMinFreqHz = 1

staticconstexpr

kSpiDefaultFreqHz

constexpr hf_u32_t hf::stm32::kSpiDefaultFreqHz = 1000000

staticconstexpr

kSpiMaxFreqHz

constexpr hf_u32_t hf::stm32::kSpiMaxFreqHz = 50000000

staticconstexpr

SPI limits.

kSpiMaxTransferBytes

constexpr hf_u16_t hf::stm32::kSpiMaxTransferBytes = 65535

staticconstexpr

kTempSensorMaxC

constexpr float hf::stm32::kTempSensorMaxC = 125.0f

staticconstexpr

kTempSensorMinC

constexpr float hf::stm32::kTempSensorMinC = -40.0f

staticconstexpr

Temperature sensor.

kTempSensorTypAccuracyC

constexpr float hf::stm32::kTempSensorTypAccuracyC = 1.5f

staticconstexpr

kTimerMaxPeriodUs

constexpr hf_u64_t hf::stm32::kTimerMaxPeriodUs = 4294967295ULL

staticconstexpr

kTimerMinPeriodUs

constexpr hf_u64_t hf::stm32::kTimerMinPeriodUs = 1

staticconstexpr

Timer limits (in microseconds)

kTimerResolutionUs

constexpr hf_u64_t hf::stm32::kTimerResolutionUs = 1

staticconstexpr

kUartDefaultBaudRate

constexpr hf_u32_t hf::stm32::kUartDefaultBaudRate = 115200

staticconstexpr

kUartDefaultBufferSize

constexpr hf_u16_t hf::stm32::kUartDefaultBufferSize = 256

staticconstexpr

kUartMaxBaudRate

constexpr hf_u32_t hf::stm32::kUartMaxBaudRate = 10000000

staticconstexpr

UART limits.