SPI configuration structure. More...

#include <esp32_max22200_bus.hpp>

Public Attributes
spi_host_device_t	host = SPI2_HOST
	SPI host (e.g. SPI2_HOST for ESP32-C6)

gpio_num_t	miso_pin
	MISO pin (set from board config)

gpio_num_t	mosi_pin
	MOSI pin (set from board config)

gpio_num_t	sclk_pin
	SCLK pin (set from board config)

gpio_num_t	cs_pin
	CS pin (set from board config)

int16_t	enable_pin = -1
	ENABLE pin (active-high, -1 = not configured)

int16_t	fault_pin = -1
	FAULT pin (active-low, inactive-high; open-drain input; -1 = not configured)

int16_t	cmd_pin = -1
	CMD pin (active-high = SPI mode, -1 = not configured)

int16_t	triga_pin = -1
	TRIGA trigger pin (direct drive, -1 = not configured)

int16_t	trigb_pin = -1
	TRIGB trigger pin (direct drive, -1 = not configured)

uint32_t	frequency = 10000000
	SPI frequency in Hz (default 10MHz)

uint8_t	mode = 0
	SPI mode (default 0: CPOL=0, CPHA=0)

uint8_t	queue_size = 1
	Transaction queue size.

uint8_t	cs_ena_pretrans = 1
	CS asserted N clock cycles before transaction.

uint8_t	cs_ena_posttrans = 1
	CS held N clock cycles after transaction.

Detailed Description

SPI configuration structure.

Pin members have no defaults; set them from your board config (e.g. MAX22200_TestConfig::SPIPins) so wiring is explicit per target.

Member Data Documentation

◆ cmd_pin

int16_t Esp32Max22200SpiBus::SPIConfig::cmd_pin = -1

CMD pin (active-high = SPI mode, -1 = not configured)

◆ cs_ena_posttrans

uint8_t Esp32Max22200SpiBus::SPIConfig::cs_ena_posttrans = 1

CS held N clock cycles after transaction.

◆ cs_ena_pretrans

uint8_t Esp32Max22200SpiBus::SPIConfig::cs_ena_pretrans = 1

CS asserted N clock cycles before transaction.

◆ cs_pin

gpio_num_t Esp32Max22200SpiBus::SPIConfig::cs_pin

CS pin (set from board config)

◆ enable_pin

int16_t Esp32Max22200SpiBus::SPIConfig::enable_pin = -1

ENABLE pin (active-high, -1 = not configured)

◆ fault_pin

int16_t Esp32Max22200SpiBus::SPIConfig::fault_pin = -1

FAULT pin (active-low, inactive-high; open-drain input; -1 = not configured)

◆ frequency

uint32_t Esp32Max22200SpiBus::SPIConfig::frequency = 10000000

SPI frequency in Hz (default 10MHz)

◆ host

spi_host_device_t Esp32Max22200SpiBus::SPIConfig::host = SPI2_HOST

SPI host (e.g. SPI2_HOST for ESP32-C6)

◆ miso_pin

gpio_num_t Esp32Max22200SpiBus::SPIConfig::miso_pin

MISO pin (set from board config)

◆ mode

uint8_t Esp32Max22200SpiBus::SPIConfig::mode = 0

SPI mode (default 0: CPOL=0, CPHA=0)

◆ mosi_pin

gpio_num_t Esp32Max22200SpiBus::SPIConfig::mosi_pin

MOSI pin (set from board config)

◆ queue_size

uint8_t Esp32Max22200SpiBus::SPIConfig::queue_size = 1

Transaction queue size.

◆ sclk_pin

gpio_num_t Esp32Max22200SpiBus::SPIConfig::sclk_pin

SCLK pin (set from board config)

◆ triga_pin

int16_t Esp32Max22200SpiBus::SPIConfig::triga_pin = -1

TRIGA trigger pin (direct drive, -1 = not configured)

◆ trigb_pin

int16_t Esp32Max22200SpiBus::SPIConfig::trigb_pin = -1

TRIGB trigger pin (direct drive, -1 = not configured)

The documentation for this struct was generated from the following file:

examples/esp32/main/esp32_max22200_bus.hpp

Public Attributes