spi_bus.h File Reference

SPI buses: display on SPI2 (HSPI), SD card on SPI3 (VSPI). More...

#include "esp_err.h"
#include "driver/spi_master.h"

Go to the source code of this file.

Macros
#define	SPI_BUS_DISPLAY_HOST   SPI2_HOST
#define	SPI_BUS_SDCARD_HOST   SPI3_HOST

Functions
esp_err_t	spi_bus_display_init (spi_device_handle_t *out_handle)
	Initialize SPI2 and add the display as a device.
esp_err_t	spi_bus_sdcard_init (void)
	Initialize SPI3 only; the sdcard driver attaches itself via sdspi (host = SPI_BUS_SDCARD_HOST, CS = PIN_SD_CS).

Detailed Description

SPI buses: display on SPI2 (HSPI), SD card on SPI3 (VSPI).

Both run on native IOMUX pins.

Note

Développé avec l'assistance de Claude Opus 4.8 (Anthropic), sous la direction de Y. Dos Santos : spécification, revue et validation sur cible par l'auteur.