/* sd2snes - SD card based universal cartridge for the SNES Copyright (C) 2009-2010 Maximilian Rehkopf This file was adapted from sd2iec, written by Ingo Korb, original disclaimer follows: */ /* sd2iec - SD/MMC to Commodore serial bus interface/controller Copyright (C) 2007-2009 Ingo Korb Inspiration and low-level SD/MMC access based on code from MMC2IEC by Lars Pontoppidan et al., see sdcard.c|h and config.h. FAT filesystem access based on code from ChaN and Jim Brain, 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 avrcompat.h: Compatibility defines for multiple target chips */ #ifndef AVRCOMPAT_H #define AVRCOMPAT_H /* USART */ #if defined __AVR_ATmega644__ || defined __AVR_ATmega644P__ || defined __AVR_ATmega1281__ || defined __AVR_ATmega2561__ # ifdef USE_UART1 # define RXC RXC1 # define RXEN RXEN1 # define TXC TXC1 # define TXEN TXEN1 # define UBRRH UBRR1H # define UBRRL UBRR1L # define UCSRA UCSR1A # define UCSRB UCSR1B # define UCSRC UCSR1C # define UCSZ0 UCSZ10 # define UCSZ1 UCSZ11 # define UDR UDR1 # define UDRIE UDRIE1 # define RXCIE RXCIE1 # define USART_UDRE_vect USART1_UDRE_vect # define USART_RX_vect USART1_RX_vect # else /* Default is USART0 */ # define RXC RXC0 # define RXEN RXEN0 # define TXC TXC0 # define TXEN TXEN0 # define UBRRH UBRR0H # define UBRRL UBRR0L # define UCSRA UCSR0A # define UCSRB UCSR0B # define UCSRC UCSR0C # define UCSZ0 UCSZ00 # define UCSZ1 UCSZ01 # define UDR UDR0 # define UDRIE UDRIE0 # define RXCIE RXCIE0 # define USART_UDRE_vect USART0_UDRE_vect # define USART_RX_vect USART0_RX_vect # endif #elif defined __AVR_ATmega48__ || defined __AVR_ATmega88__ || defined __AVR_ATmega168__ /* These chips include the USART number in their register names, */ /* but not in the ISR name. */ # define RXC RXC0 # define RXEN RXEN0 # define TXC TXC0 # define TXEN TXEN0 # define UBRRH UBRR0H # define UBRRL UBRR0L # define UCSRA UCSR0A # define UCSRB UCSR0B # define UCSRC UCSR0C # define UCSZ0 UCSZ00 # define UCSZ1 UCSZ01 # define UDR UDR0 # define UDRIE UDRIE0 #elif defined __AVR_ATmega32__ # define TIMER2_COMPA_vect TIMER2_COMP_vect # define TCCR0B TCCR0 # define TCCR2A TCCR2 # define TCCR2B TCCR2 # define TIFR0 TIFR # define TIMSK2 TIMSK # define OCIE2A OCIE2 # define OCR2A OCR2 #elif defined __AVR_ATmega128__ # define UBRRH UBRR0H # define UBRRL UBRR0L # define UCSRA UCSR0A # define UCSRB UCSR0B # define UCSRC UCSR0C # define UDR UDR0 # define USART_UDRE_vect USART0_UDRE_vect # define TIMER2_COMPA_vect TIMER2_COMP_vect # define TCCR0B TCCR0 # define TCCR2A TCCR2 # define TCCR2B TCCR2 # define TIFR0 TIFR # define TIMSK1 TIMSK # define TIMSK2 TIMSK # define OCIE2A OCIE2 # define OCR2A OCR2 #else # error Unknown chip! (USART) #endif /* SPI and I2C */ #if defined __AVR_ATmega32__ || defined __AVR_ATmega644__ || defined __AVR_ATmega644P__ # define SPI_PORT PORTB # define SPI_DDR DDRB # define SPI_SS _BV(PB4) # define SPI_MOSI _BV(PB5) # define SPI_MISO _BV(PB6) # define SPI_SCK _BV(PB7) # define HWI2C_PORT PORTC # define HWI2C_SDA _BV(PC1) # define HWI2C_SCL _BV(PC0) #elif defined __AVR_ATmega128__ || defined __AVR_ATmega1281__ || defined __AVR_ATmega2561__ # define SPI_PORT PORTB # define SPI_DDR DDRB # define SPI_SS _BV(PB0) # define SPI_SCK _BV(PB1) # define SPI_MOSI _BV(PB2) # define SPI_MISO _BV(PB3) # define HWI2C_PORT PORTD # define HWI2C_SDA _BV(PD1) # define HWI2C_SCL _BV(PD0) #elif defined __AVR_ATmega48__ || defined __AVR_ATmega88__ || defined __AVR_ATmega168__ # define SPI_PORT PORTB # define SPI_DDR DDRB # define SPI_SS _BV(PB2) # define SPI_SCK _BV(PB5) # define SPI_MOSI _BV(PB3) # define SPI_MISO _BV(PB4) # define HWI2C_PORT PORTC # define HWI2C_SDA _BV(PC4) # define HWI2C_SCL _BV(PC5) #else # error Unknown chip! (SPI/TWI) #endif #define SPI_MASK (SPI_SS|SPI_MOSI|SPI_MISO|SPI_SCK) #endif /* AVRCOMPAT_H */