unleashed-firmware/bootloader/targets/furi-hal-include/furi-hal-spi.h
あく 9d27ef8901
[FL-2060] FuriHal: SPI refactoring, flexible bus reconfiguration on fly, same design as i2c. (#853)
* FuriHal: SPI refactoring, flexible bus reconfigration on fly, same desiag as i2c.
* Lib: update CC1101 driver documentation
* FuriHal: update spi symbol names to match naming convention.
2021-11-30 15:09:43 +03:00

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2.5 KiB
C

#pragma once
#include <furi-hal-spi-config.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
/** Initialize SPI HAL */
void furi_hal_spi_init();
/** Initialize SPI Bus
*
* @param handle pointer to FuriHalSpiBus instance
*/
void furi_hal_spi_bus_init(FuriHalSpiBus* bus);
/** Deinitialize SPI Bus
*
* @param handle pointer to FuriHalSpiBus instance
*/
void furi_hal_spi_bus_deinit(FuriHalSpiBus* bus);
/** Initialize SPI Bus Handle
*
* @param handle pointer to FuriHalSpiBusHandle instance
*/
void furi_hal_spi_bus_handle_init(FuriHalSpiBusHandle* handle);
/** Deinitialize SPI Bus Handle
*
* @param handle pointer to FuriHalSpiBusHandle instance
*/
void furi_hal_spi_bus_handle_deinit(FuriHalSpiBusHandle* handle);
/** Acquire SPI bus
*
* @warning blocking, calls `furi_crash` on programming error, CS transition is up to handler event routine
*
* @param handle pointer to FuriHalSpiBusHandle instance
*/
void furi_hal_spi_acquire(FuriHalSpiBusHandle* handle);
/** Release SPI bus
*
* @warning calls `furi_crash` on programming error, CS transition is up to handler event routine
*
* @param handle pointer to FuriHalSpiBusHandle instance
*/
void furi_hal_spi_release(FuriHalSpiBusHandle* handle);
/** SPI Receive
*
* @param handle pointer to FuriHalSpiBusHandle instance
* @param buffer receive buffer
* @param size transaction size (buffer size)
* @param timeout operation timeout in ms
*
* @return true on sucess
*/
bool furi_hal_spi_bus_rx(
FuriHalSpiBusHandle* handle,
uint8_t* buffer,
size_t size,
uint32_t timeout);
/** SPI Transmit
*
* @param handle pointer to FuriHalSpiBusHandle instance
* @param buffer transmit buffer
* @param size transaction size (buffer size)
* @param timeout operation timeout in ms
*
* @return true on success
*/
bool furi_hal_spi_bus_tx(
FuriHalSpiBusHandle* handle,
uint8_t* buffer,
size_t size,
uint32_t timeout);
/** SPI Transmit and Receive
*
* @param handle pointer to FuriHalSpiBusHandle instance
* @param tx_buffer pointer to tx buffer
* @param rx_buffer pointer to rx buffer
* @param size transaction size (buffer size)
* @param timeout operation timeout in ms
*
* @return true on success
*/
bool furi_hal_spi_bus_trx(
FuriHalSpiBusHandle* handle,
uint8_t* tx_buffer,
uint8_t* rx_buffer,
size_t size,
uint32_t timeout);
#ifdef __cplusplus
}
#endif