development/api/StmSpi_8h.html

extern SPI_HandleTypeDef hspi1;


hf_spi_bus_config_t bus_cfg(&hspi1);

StmSpiBus spiBus(bus_cfg);

spiBus.Initialize();


hf_spi_device_config_t dev_cfg;

dev_cfg.cs_port = GPIOA;

dev_cfg.cs_pin  = GPIO_PIN_4;

int idx = spiBus.CreateDevice(dev_cfg);

BaseSpi* sensor = spiBus.GetDevice(idx);

sensor->Initialize();


uint8_t tx = 0x80, rx = 0;

sensor->Transfer(&tx, &rx, 1);

BaseSpi
Abstract base class for SPI device implementations.
Definition BaseSpi.h:184

BaseSpi::Initialize
virtual bool Initialize() noexcept=0
Initialize the SPI bus.

BaseSpi::Transfer
virtual hf_spi_err_t Transfer(const hf_u8_t *tx_data, hf_u8_t *rx_data, hf_u16_t length, hf_u32_t timeout_ms=0) noexcept=0
Perform a full-duplex SPI transfer.

StmSpiBus
STM32 SPI bus — manages the HAL handle and device collection.
Definition StmSpi.h:86

hf_spi_bus_config_t
Platform-agnostic SPI bus configuration for STM32.
Definition EspTypes_SPI.h:150

hf_spi_device_config_t
SPI device configuration for STM32.
Definition EspTypes_SPI.h:210

hf_spi_device_config_t::cs_port
GPIO_TypeDef * cs_port
CS GPIO port (e.g., GPIOA)
Definition StmTypes.h:308

hf_spi_device_config_t::cs_pin
hf_pin_num_t cs_pin
CS pin (or -1 for software CS)
Definition EspTypes_SPI.h:213
Classes
class	StmSpiDevice
	STM32 SPI device — manages chip-select and delegates transfers to parent bus. More...

class	StmSpiBus
	STM32 SPI bus — manages the HAL handle and device collection. More...