8e44177a66
DFF exists at bit 11 for f1, f2, f4 and l1, but the f0 and f3 have that bit as CRC len and use CR2 for data size bits instead. The merging of the F3 and F0 and attempts to put common data in common places broke the l1 code. F3 and F0 SPI headers are still almost completely identical.
66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/** @addtogroup spi_defines
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@author @htmlonly © @endhtmlonly 2011 Fergus Noble <fergusnoble@gmail.com>
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*/
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/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2011 Fergus Noble <fergusnoble@gmail.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* THIS FILE SHOULD NOT BE INCLUDED DIRECTLY, BUT ONLY VIA SPI.H
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The order of header inclusion is important. spi.h includes the device
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specific memorymap.h header before including this header file.*/
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/** @cond */
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#ifdef LIBOPENCM3_SPI_H
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/** @endcond */
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#ifndef LIBOPENCM3_SPI_COMMON_L1F124_H
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#define LIBOPENCM3_SPI_COMMON_L1F124_H
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/**@{*/
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#include <libopencm3/stm32/common/spi_common_all.h>
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/*
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* This file extends the common STM32 version with definitions only
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* applicable to the STM32L1/F1/2/4 series of devices.
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*/
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/* DFF: Data frame format */
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/****************************************************************************/
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/** @defgroup spi_dff SPI data frame format
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@ingroup spi_defines
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@{*/
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#define SPI_CR1_DFF_8BIT (0 << 11)
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#define SPI_CR1_DFF_16BIT (1 << 11)
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/**@}*/
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#define SPI_CR1_DFF (1 << 11)
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#endif
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/** @cond */
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#else
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#warning "spi_common_f24.h should not be included explicitly, only via spi.h"
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#endif
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/** @endcond */
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/**@}*/
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