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