mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-09-20 16:15:51 +00:00
169 lines
3.3 KiB
C++
169 lines
3.3 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 PortaPack.
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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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#ifndef __CPLD_MAX5_H__
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#define __CPLD_MAX5_H__
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#include "jtag.hpp"
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#include "crc.hpp"
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#include <cstdint>
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#include <cstddef>
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#include <array>
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#include <bitset>
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namespace cpld {
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namespace max5 {
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class CPLD {
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public:
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constexpr CPLD(
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jtag::JTAG& jtag
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) : jtag(jtag)
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{
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}
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void reset() {
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jtag.reset();
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}
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void run_test_idle() {
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jtag.run_test_idle();
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}
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bool idcode_ok();
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void enter_isp();
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/* Check ID:
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* The silicon ID is checked before any Program or Verify process. The
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* time required to read this silicon ID is relatively small compared to
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* the overall programming time.
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*/
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bool silicon_id_ok();
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void exit_isp(); // I think that's what the code does...
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void bulk_erase();
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bool program(
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const std::array<uint16_t, 3328>& block_0,
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const std::array<uint16_t, 512>& block_1
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);
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bool verify(
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const std::array<uint16_t, 3328>& block_0,
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const std::array<uint16_t, 512>& block_1
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);
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bool is_blank();
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uint32_t crc();
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std::pair<bool, uint8_t> boundary_scan();
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enum class Instruction {
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BYPASS = 0b1111111111,
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EXTEST = 0b0000001111,
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SAMPLE = 0b0000000101,
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IDCODE = 0b0000000110,
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USERCODE = 0b0000000111,
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CLAMP = 0b0000001010,
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HIGHZ = 0b0000001011
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};
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void shift_ir(const Instruction instruction) {
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shift_ir(static_cast<uint32_t>(instruction));
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}
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private:
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jtag::JTAG& jtag;
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std::array<uint16_t, 5> read_silicon_id();
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void sector_select(const uint16_t id);
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void erase_sector(const uint16_t id);
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void program_block(
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const uint16_t id,
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const uint16_t* const data,
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const size_t count
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);
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template<size_t N>
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void program_block(
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const uint16_t id,
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const std::array<uint16_t, N>& data
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) {
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program_block(id, data.data(), data.size());
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}
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bool verify_block(
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const uint16_t id,
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const uint16_t* const data,
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const size_t count
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);
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template<size_t N>
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bool verify_block(
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const uint16_t id,
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const std::array<uint16_t, N>& data
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) {
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return verify_block(id, data.data(), data.size());
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}
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bool is_blank_block(const uint16_t id, const size_t count);
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using crc_t = CRC<32, true, true>;
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void block_crc(const uint16_t id, const size_t count, crc_t& crc);
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const uint32_t IDCODE = 0b00000010000010100101000011011101;
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const size_t IR_LENGTH = 10;
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void shift_ir(const uint32_t value) {
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jtag.shift_ir(IR_LENGTH, value);
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}
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};
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/*
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class ModeISP {
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public:
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ModeISP(
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CPLD& cpld
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) : cpld(cpld)
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{
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cpld.enter_isp();
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}
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~ModeISP() {
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cpld.exit_isp();
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}
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private:
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CPLD& cpld;
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};
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*/
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} /* namespace max5 */
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} /* namespace cpld */
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#endif/*__CPLD_MAX5_H__*/
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