mirror of
git://projects.qi-hardware.com/nn-usb-fpga.git
synced 2025-01-06 04:10:15 +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
76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
/* at91 XC Programer
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Copyright (C) 2006 Carlos Camargo, Andres Calderon
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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 SAKC_XCP_H
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#define SAKC_XCP_H
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#include "iobase.h"
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#include <unistd.h>
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extern "C"
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{
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#include "jz47xx_gpio.h"
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}
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class sakcXCProgrammer: public IOBase
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{
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public:
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sakcXCProgrammer();
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virtual ~sakcXCProgrammer();
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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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bool checkError(){return error;}
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bool done(){return true; /*!error && (cpld_base[0]&DONE==DONE);*/}
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protected:
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bool error;
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unsigned char data;
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};
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#define TDI 14 /*C*/
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#define TMS 23 /*D*/
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#define TDO 24 /*D*/
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#define TCK 28 /*D*/
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inline
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bool
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sakcXCProgrammer::txrx(bool tms, bool tdi)
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{
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tx(tms,tdi);
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return jz_gpio_get_pin (JZ_GPIO_PORT_D, TDO);
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}
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inline
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void
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sakcXCProgrammer::tx(bool tms, bool tdi)
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{
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jz_gpio_out (JZ_GPIO_PORT_D, TCK, 0);
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jz_gpio_out (JZ_GPIO_PORT_C, TDI, tdi);
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jz_gpio_out (JZ_GPIO_PORT_D, TMS, tms);
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jz_gpio_out (JZ_GPIO_PORT_D, TCK, 1);
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}
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#endif // JTAGBUS_H
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