49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of HackRF.
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*
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* This program 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, or (at your option)
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* any later version.
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*
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* This program 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "w25q80bv_target.h"
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#include <libopencm3/lpc43xx/scu.h>
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#include <libopencm3/lpc43xx/gpio.h>
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#include "hackrf_core.h"
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/* TODO: Why is SSEL being controlled manually when SSP0 could do it
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* automatically?
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*/
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void w25q80bv_target_init(w25q80bv_driver_t* const drv) {
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(void)drv;
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scu_pinmux(SCU_SSP0_SSEL, (SCU_GPIO_FAST | SCU_CONF_FUNCTION4));
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gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
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GPIO5_DIR |= PIN_SSP0_SSEL;
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}
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void w25q80bv_target_spi_select(spi_t* const spi) {
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(void)spi;
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gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
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}
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void w25q80bv_target_spi_unselect(spi_t* const spi) {
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(void)spi;
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gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
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}
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