mac-rom-simm-programmer/main.c
Doug Brown 533813e949 Added LED toggle to write/read modes.
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.
2012-05-27 15:41:16 -07:00

62 lines
1.4 KiB
C

/*
* main.c
*
* Created on: Nov 25, 2011
* Author: Doug
*
* Copyright (C) 2011-2012 Doug Brown
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include "external_mem.h"
#include "tests/simm_electrical_test.h"
#include "usb_serial/usb_serial.h"
#include "led.h"
int main(void)
{
cli();
LED_Init();
// If there was a brownout detected, turn on the LED momentarily
if (MCUSR & (1 << BORF))
{
MCUSR = 0;
LED_On();
_delay_ms(500);
LED_Off();
}
ExternalMem_Init();
ExternalMem_SetAddress(0);
ExternalMem_Assert(SIMM_CS | SIMM_OE);
ExternalMem_Deassert(SIMM_WE);
USBSerial_Init();
sei();
while (1)
{
USBSerial_Check();
}
return 0;
}