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- /* sd2snes - SD card based universal cartridge for the SNES
- Copyright (C) 2009-2010 Maximilian Rehkopf <otakon@gmx.net>
- 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);
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