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[/] [s6soc/] [trunk/] [sw/] [host/] [deppbus.h] - Rev 42
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//////////////////////////////////////////////////////////////////////////////// // // Filename: deppbus.h // // Project: CMod S6 System on a Chip, ZipCPU demonstration project // // Purpose: An instantiation of a generic interface to a wishbone on a // device. This particular instantiation uses a simplified // interface over a Digilent Adept Asynchronous Parallel Port Interface // (DEPP)--useful for working with the CMod-S6. // // Creator: Dan Gisselquist, Ph.D. // Gisselquist Technology, LLC // //////////////////////////////////////////////////////////////////////////////// // // Copyright (C) 2015-2016, Gisselquist Technology, LLC // // This program is free software (firmware): you can redistribute it and/or // modify it under the terms of the GNU General Public License as published // by the Free Software Foundation, either version 3 of the License, or (at // your option) any later version. // // This program is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with this program. (It's in the $(ROOT)/doc directory, run make with no // target there if the PDF file isn't present.) If not, see // <http://www.gnu.org/licenses/> for a copy. // // License: GPL, v3, as defined and found on www.gnu.org, // http://www.gnu.org/licenses/gpl.html // // //////////////////////////////////////////////////////////////////////////////// // // #ifndef DEPPBUS_H #define DEPPBUS_H #include "dpcdecl.h" #include "dmgr.h" #include "devbus.h" class DEPPBUS : public DEVBUS { HIF m_dev; bool m_int, m_err; void depperr(void); public: typedef DEVBUS::BUSW BUSW; DEPPBUS(char *szSel); ~DEPPBUS(void); void kill(void); void close(void); void writeio(const BUSW a, const BUSW v); BUSW readio(const BUSW a); void readi(const BUSW a, const int len, BUSW *buf); void readz(const BUSW a, const int len, BUSW *buf); void writei(const BUSW a, const int len, const BUSW *buf); void writez(const BUSW a, const int len, const BUSW *buf); bool poll(void); void usleep(unsigned msec); void wait(void); bool bus_err(void) const; void reset_err(void); void clear(void); }; #endif
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