flipperzero-firmware/bootloader/targets/f7/furi-hal/furi-hal-spi.h

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#pragma once
#include "main.h"
#include "furi-hal-spi-config.h"
#include <furi-hal-gpio.h>
#include <stdbool.h>
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Init SPI API
*/
void furi_hal_spi_init();
/* Bus Level API */
/** Lock SPI bus
* Takes bus mutex, if used
*/
void furi_hal_spi_bus_lock(const FuriHalSpiBus* bus);
/** Unlock SPI bus
* Releases BUS mutex, if used
*/
void furi_hal_spi_bus_unlock(const FuriHalSpiBus* bus);
/**
* Configure SPI bus
* @param bus - spi bus handler
* @param config - spi configuration structure
*/
void furi_hal_spi_bus_configure(const FuriHalSpiBus* bus, const LL_SPI_InitTypeDef* config);
/** SPI Receive
* @param bus - spi bus handler
* @param buffer - receive buffer
* @param size - transaction size
* @param timeout - bus operation timeout in ms
*/
bool furi_hal_spi_bus_rx(const FuriHalSpiBus* bus, uint8_t* buffer, size_t size, uint32_t timeout);
/** SPI Transmit
* @param bus - spi bus handler
* @param buffer - transmit buffer
* @param size - transaction size
* @param timeout - bus operation timeout in ms
*/
bool furi_hal_spi_bus_tx(const FuriHalSpiBus* bus, uint8_t* buffer, size_t size, uint32_t timeout);
/** SPI Transmit and Receive
* @param bus - spi bus handlere
* @param tx_buffer - device handle
* @param rx_buffer - device handle
* @param size - transaction size
* @param timeout - bus operation timeout in ms
*/
bool furi_hal_spi_bus_trx(
const FuriHalSpiBus* bus,
uint8_t* tx_buffer,
uint8_t* rx_buffer,
size_t size,
uint32_t timeout);
/* Device Level API */
/** Reconfigure SPI bus for device
* @param device - device description
*/
void furi_hal_spi_device_configure(const FuriHalSpiDevice* device);
/** Get Device handle
* And lock access to the corresponding SPI BUS
* @param device_id - device identifier
* @return device handle
*/
const FuriHalSpiDevice* furi_hal_spi_device_get(FuriHalSpiDeviceId device_id);
/** Return Device handle
* And unlock access to the corresponding SPI BUS
* @param device - device handle
*/
void furi_hal_spi_device_return(const FuriHalSpiDevice* device);
/** SPI Recieve
* @param device - device handle
* @param buffer - receive buffer
* @param size - transaction size
* @param timeout - bus operation timeout in ms
*/
bool furi_hal_spi_device_rx(
const FuriHalSpiDevice* device,
uint8_t* buffer,
size_t size,
uint32_t timeout);
/** SPI Transmit
* @param device - device handle
* @param buffer - transmit buffer
* @param size - transaction size
* @param timeout - bus operation timeout in ms
*/
bool furi_hal_spi_device_tx(
const FuriHalSpiDevice* device,
uint8_t* buffer,
size_t size,
uint32_t timeout);
/** SPI Transmit and Receive
* @param device - device handle
* @param tx_buffer - device handle
* @param rx_buffer - device handle
* @param size - transaction size
* @param timeout - bus operation timeout in ms
*/
bool furi_hal_spi_device_trx(
const FuriHalSpiDevice* device,
uint8_t* tx_buffer,
uint8_t* rx_buffer,
size_t size,
uint32_t timeout);
#ifdef __cplusplus
}
#endif