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- // insert cool lenghty disclaimer here
- // fpga.h
- #ifndef FPGA_H
- #define FPGA_H
- void fpga_init(void);
- uint8_t fpga_test(void);
- void fpga_postinit(void);
- void fpga_pgm(uint8_t* filename);
- void set_avr_read(uint8_t val);
- void set_avr_write(uint8_t val);
- void set_avr_ena(uint8_t val);
- void set_avr_nextaddr(uint8_t val);
- void set_avr_addr_reset(uint8_t val);
- void set_avr_data(uint8_t data);
- void set_avr_addr_en(uint8_t val);
- void set_avr_mapper(uint8_t val);
- void set_avr_bank(uint8_t val);
- // some macros for bulk transfers (faster)
- #define FPGA_SEND_BYTE(data) do {SET_AVR_DATA(data); CCLK();} while (0)
- #define FPGA_SEND_BYTE_SERIAL(data) do {SET_AVR_DATA(data); CCLK();\
- SET_AVR_DATA(data<<1); CCLK(); SET_AVR_DATA(data<<2); CCLK();\
- SET_AVR_DATA(data<<3); CCLK(); SET_AVR_DATA(data<<4); CCLK();\
- SET_AVR_DATA(data<<5); CCLK(); SET_AVR_DATA(data<<6); CCLK();\
- SET_AVR_DATA(data<<7); CCLK();} while (0)
- #define SET_CCLK() do {PORTD |= _BV(PD4);} while (0)
- #define CLR_CCLK() do {PORTD &= ~_BV(PD4);} while (0)
- #define CCLK() do {SET_CCLK(); CLR_CCLK();} while (0)
- #define SET_AVR_READ() do {PORTB |= _BV(PB3);} while (0)
- #define CLR_AVR_READ() do {PORTB &= ~_BV(PB3);} while (0)
- #define SET_AVR_WRITE() do {PORTB |= _BV(PB2);} while (0)
- #define CLR_AVR_WRITE() do {PORTB &= ~_BV(PB2);} while (0)
- #define SET_AVR_EXCL() do {PORTD |= _BV(PD7);} while (0)
- #define CLR_AVR_EXCL() do {PORTD &= ~_BV(PD7);} while (0)
- #define SET_AVR_NEXTADDR() do {PORTA |= _BV(PA4);} while (0)
- #define CLR_AVR_NEXTADDR() do {PORTA &= ~_BV(PA4);} while (0)
- #define SET_AVR_ADDR_RESET() do {PORTA |= _BV(PA5);} while (0)
- #define CLR_AVR_ADDR_RESET() do {PORTA &= ~_BV(PA5);} while (0)
- #define SET_AVR_ADDR_EN() do {PORTA |= _BV(PA6);} while (0)
- #define CLR_AVR_ADDR_EN() do {PORTA &= ~_BV(PA6);} while (0)
- #define AVR_NEXTADDR() do {SET_AVR_NEXTADDR(); CLR_AVR_NEXTADDR();} while (0)
- #define AVR_ADDR_RESET() do {CLR_AVR_ADDR_RESET();\
- AVR_NEXTADDR();SET_AVR_ADDR_RESET();} while (0)
- #define SET_AVR_DATA(data) do {PORTC = (uint8_t)data;} while (0)
- #define AVR_READ() do {CLR_AVR_READ(); SET_AVR_READ();} while (0)
- #define AVR_WRITE() do {CLR_AVR_WRITE(); SET_AVR_WRITE();} while (0)
- #define AVR_DATA (PINC)
- #endif
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