Arti Zirk
2de3a91b0a
subrepo: subdir: "libopencm3" merged: "88e91c9a7cce" upstream: origin: "https://github.com/libopencm3/libopencm3.git" branch: "master" commit: "88e91c9a7cce" git-subrepo: version: "0.4.3" origin: "???" commit: "???"
69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
/** @addtogroup spi_file SPI peripheral API
|
|
* @ingroup peripheral_apis
|
|
|
|
@author @htmlonly © @endhtmlonly 2009
|
|
Uwe Hermann <uwe@hermann-uwe.de>
|
|
@author @htmlonly © @endhtmlonly 2012
|
|
Ken Sarkies <ksarkies@internode.on.net>
|
|
@author @htmlonly © @endhtmlonly 2018
|
|
Guillaume Revaillot <revaillot@archos.com>
|
|
|
|
*/
|
|
|
|
/*
|
|
* This file is part of the libopencm3 project.
|
|
*
|
|
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <libopencm3/stm32/spi.h>
|
|
|
|
/**@{*/
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @brief SPI Set Frame Format to TI
|
|
|
|
@param[in] spi Unsigned int32. SPI peripheral identifier @ref spi_reg_base.
|
|
*/
|
|
|
|
void spi_set_frf_ti(uint32_t spi)
|
|
{
|
|
SPI_CR2(spi) |= SPI_CR2_FRF;
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
/** @brief SPI Set Frame Format to Motorola
|
|
|
|
@param[in] spi Unsigned int32. SPI peripheral identifier @ref spi_reg_base.
|
|
*/
|
|
|
|
void spi_set_frf_motorola(uint32_t spi)
|
|
{
|
|
SPI_CR2(spi) &= ~SPI_CR2_FRF;
|
|
}
|
|
|
|
#define SPI_CR2_FRF (1 << 4)
|
|
#define SPI_CR2_FRF_MOTOROLA_MODE (0 << 4)
|
|
#define SPI_CR2_FRF_TI_MODE (1 << 4)
|
|
|
|
/* --- SPI_SR values ------------------------------------------------------- */
|
|
|
|
/* FRE / TIFRFE: TI frame format error */
|
|
#define SPI_SR_TIFRFE (1 << 8) //F2
|
|
#define SPI_SR_FRE (1 << 8) //others
|
|
|
|
/**@}*/
|