69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* Copyright (C) 2020 Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
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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 3 of the License, or
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* (at your option) 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. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef FTDIJTAGMPSSE_H
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#define FTDIJTAGMPSSE_H
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#include <ftdi.h>
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#include <iostream>
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#include <string>
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#include <vector>
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#include "jtagInterface.hpp"
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#include "ftdipp_mpsse.hpp"
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/*!
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* \file FtdiJtagMPSSE.hpp
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* \class FtdiJtagMPSSE
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* \brief concrete class between jtag implementation and FTDI capable bitbang mode
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* \author Gwenhael Goavec-Merou
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*/
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class FtdiJtagMPSSE : public JtagInterface, private FTDIpp_MPSSE {
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public:
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FtdiJtagMPSSE(const FTDIpp_MPSSE::mpsse_bit_config &cable, std::string dev,
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const std::string &serial, uint32_t clkHZ, bool verbose = false);
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virtual ~FtdiJtagMPSSE();
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int setClkFreq(uint32_t clkHZ) override {
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return FTDIpp_MPSSE::setClkFreq(clkHZ);
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}
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int setClkFreq(uint32_t clkHZ, char use_divide_by_5) override {
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return FTDIpp_MPSSE::setClkFreq(clkHZ, use_divide_by_5);}
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/* TMS */
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int writeTMS(uint8_t *tms, int len, bool flush_buffer) override;
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/* clock */
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int toggleClk(uint8_t tms, uint8_t tdi, uint32_t clk_len) override;
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/* TDI */
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int writeTDI(uint8_t *tx, uint8_t *rx, uint32_t len, bool end) override;
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/*!
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* \brief return internal buffer size (in byte).
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* \return _buffer_size -3 for mpsse cmd + size, -1 for potential SEND_IMMEDIATE
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*/
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int get_buffer_size() override { return _buffer_size-3; }
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bool isFull() override { return false;}
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int flush() override;
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private:
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void init_internal(const FTDIpp_MPSSE::mpsse_bit_config &cable);
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bool _ch552WA; /* avoid errors with SiPeed tangNano */
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};
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#endif
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