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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: spiflashsim.h
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// Filename: spiflashsim.h
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//
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//
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// Project: Wishbone Controlled Quad SPI Flash Controller
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// Project: Wishbone Controlled Quad SPI Flash Controller
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//
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//
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// Purpose: This library simulates the operation of a Quad-SPI commanded
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// Purpose: This library simulates the operation of a Quad-SPI commanded
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// flash, such as the S25FL032P used on the Basys-3 development
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// flash, such as the S25FL032P used on the Basys-3 development
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// board by Digilent. As such, it is defined by 32 Mbits of
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// board by Digilent. As such, it is defined by 32 Mbits of
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// memory (4 Mbyte).
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// memory (4 Mbyte).
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//
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//
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// Creator: Dan Gisselquist
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015, Gisselquist Technology, LLC
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// Copyright (C) 2015,2017, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory. Run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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#ifndef QSPIFLASHSIM_H
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#ifndef QSPIFLASHSIM_H
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#define QSPIFLASHSIM_H
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#define QSPIFLASHSIM_H
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#include <stdint.h>
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#include <stdint.h>
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public:
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public:
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QSPIFLASHSIM(void);
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QSPIFLASHSIM(void);
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void load(const char *fname) { load(0, fname); }
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void load(const char *fname) { load(0, fname); }
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void load(const unsigned addr, const char *fname);
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void load(const unsigned addr, const char *fname);
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void write(const unsigned addr, const unsigned len, const uint32_t *buf);
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void write(const unsigned addr, const unsigned len, const char *buf);
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void debug(const bool dbg) { m_debug = dbg; }
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void debug(const bool dbg) { m_debug = dbg; }
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bool debug(void) const { return m_debug; }
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bool debug(void) const { return m_debug; }
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int operator()(const int csn, const int sck, const int dat);
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int operator()(const int csn, const int sck, const int dat);
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};
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};
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