mirror of https://github.com/wolfSSL/wolfBoot.git
39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* spi_drv.h
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*
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* Driver for the SPI back-end of the SPI_FLASH module.
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*
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* * Compile with SPI_FLASH=1
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* * Define your platform specific SPI driver in spi_drv_$PLATFORM.c,
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* implementing the spi_ calls below.
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*
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*
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* Copyright (C) 2018 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef SPI_DRV_H_INCLUDED
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#define SPI_DRV_H_INCLUDED
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#include <stdint.h>
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void spi_init(int polarity, int phase);
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void spi_write(const char byte);
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uint8_t spi_read(void);
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void spi_cs_on(void);
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void spi_cs_off(void);
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#endif
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