mirror of
git://projects.qi-hardware.com/nn-usb-fpga.git
synced 2025-01-08 15:40:14 +02:00
a7c692d3f0
Adding FPGA sram hdl code and user space code Fixing some errors: LCD's pinout connector is swapped FPGA TDI SIGNAL must be routed to another pin (C14), right now is DQMH Remove R11 Check JZ4725 symbol's component (PORTD is wrong) Adding PB2 and PB3 wiring ADC's vref to external connector Adding power LED Adding CPU Led
66 lines
1.8 KiB
C++
66 lines
1.8 KiB
C++
/* JTAG low level functions and base class for cables
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Copyright (C) 2004 Andrew Rogers
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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 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifndef IOBASE_H
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#define IOBASE_H
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class IOBase
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{
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public:
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enum tapState_t{
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TEST_LOGIC_RESET=0,
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RUN_TEST_IDLE=1,
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SELECT_DR_SCAN=2,
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CAPTURE_DR=3,
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SHIFT_DR=4,
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EXIT1_DR=5,
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PAUSE_DR=6,
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EXIT2_DR=7,
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UPDATE_DR=8,
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SELECT_IR_SCAN=9,
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CAPTURE_IR=10,
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SHIFT_IR=11,
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EXIT1_IR=12,
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PAUSE_IR=13,
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EXIT2_IR=14,
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UPDATE_IR=15,
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UNKNOWN=999
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};
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protected:
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tapState_t current_state;
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virtual bool txrx(bool tms, bool tdi){}
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virtual void tx(bool tms, bool tdi){}
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int nextTapState(bool tms);
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public:
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IOBase();
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virtual int shiftTDITDO(const unsigned char *tdi, unsigned char *tdo, int length, bool last=true);
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virtual int shiftTDI(const unsigned char *tdi, int length, bool last=true);
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virtual int shiftTDO(unsigned char *tdo, int length, bool last=true);
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virtual int shift(bool tdi, int length, bool last=true);
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virtual int setTapState(tapState_t state);
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virtual void tapTestLogicReset();
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virtual void cycleTCK(int n, bool tdi=1);
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};
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#endif // IOBASE_H
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