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https://github.com/dougg3/mac-rom-simm-programmer.git
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533813e949
Read is so fast that you can't even see the blinking, but oh well. I also added an "led.h" header file that I should have done long ago.
62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
/*
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* main.c
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*
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* Created on: Nov 25, 2011
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* Author: Doug
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*
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* Copyright (C) 2011-2012 Doug Brown
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include <util/delay.h>
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#include "external_mem.h"
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#include "tests/simm_electrical_test.h"
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#include "usb_serial/usb_serial.h"
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#include "led.h"
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int main(void)
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{
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cli();
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LED_Init();
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// If there was a brownout detected, turn on the LED momentarily
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if (MCUSR & (1 << BORF))
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{
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MCUSR = 0;
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LED_On();
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_delay_ms(500);
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LED_Off();
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}
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ExternalMem_Init();
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ExternalMem_SetAddress(0);
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ExternalMem_Assert(SIMM_CS | SIMM_OE);
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ExternalMem_Deassert(SIMM_WE);
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USBSerial_Init();
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sei();
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while (1)
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{
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USBSerial_Check();
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}
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return 0;
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}
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