mbed-os/targets/TARGET_STM/TARGET_STM32F0/spi_api.c

42 lines
1.1 KiB
C

/* mbed Microcontroller Library
* SPDX-License-Identifier: BSD-3-Clause
******************************************************************************
*
* Copyright (c) 2015-2020 STMicroelectronics.
* All rights reserved.
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
#include "mbed_assert.h"
#include "mbed_error.h"
#include "spi_api.h"
#if DEVICE_SPI
#include "cmsis.h"
#include "pinmap.h"
#include "PeripheralPins.h"
#if DEVICE_SPI_ASYNCH
#define SPI_S(obj) (( struct spi_s *)(&(obj->spi)))
#else
#define SPI_S(obj) (( struct spi_s *)(obj))
#endif
/*
* Only the frequency is managed in the family specific part
* the rest of SPI management is common to all STM32 families
*/
int spi_get_clock_freq(spi_t *obj)
{
/* SPI_1, SPI_2. Source CLK is PCKL1 */
return HAL_RCC_GetPCLK1Freq();
}
#endif