/* sd2snes - SD card based universal cartridge for the SNES Copyright (C) 2009-2010 Maximilian Rehkopf AVR firmware portion Inspired by and based on code from sd2iec, written by Ingo Korb et al. See sdcard.c|h, config.h. FAT file system access based on code by ChaN, Jim Brain, Ingo Korb, see ff.c|h. 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; version 2 of the License only. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA fpga_spi.h: functions for SPI ctrl, SRAM interfacing and feature configuration */ #define FPGA_SS_HIGH() do {PORTC |= _BV(PC7);} while (0) #define FPGA_SS_LOW() do {PORTC &= ~_BV(PC7);} while (0) void fpga_spi_init(void); void fpga_spi_test(void); void spi_fpga(void); void spi_sd(void); void spi_none(void); void set_avr_addr(uint32_t); void set_saveram_mask(uint32_t); void set_rom_mask(uint32_t);