Add TI support back in
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parent
679ee4d014
commit
19c1c4bb76
31
Makefile
31
Makefile
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@ -1,31 +1,4 @@
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PROG = main
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ARCH = ti
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CC = avr-gcc
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CFLAGS += -mmcu=atmega328p
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CFLAGS += -DF_CPU=16000000UL
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CFLAGS += -Os
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CFLAGS += -w
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include Makefile.$(ARCH)
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AVDFLAGS += -p m328p
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AVDFLAGS += -c arduino
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AVDFLAGS += -b 115200
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AVDFLAGS += -P /dev/ttyACM0
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upload: .upload
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.upload: $(PROG).hex
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avrdude $(AVDFLAGS) -U flash:w:$<
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touch $@
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$(PROG).hex: $(PROG)
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avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@
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main: main.o avr.o
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clean:
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rm -f $(PROG) *.hex .upload
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@ -0,0 +1,31 @@
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PROG = main
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CC = avr-gcc
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CFLAGS += -mmcu=atmega328p
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CFLAGS += -DF_CPU=16000000UL
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CFLAGS += -Os
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CFLAGS += -w
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AVDFLAGS += -p m328p
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AVDFLAGS += -c arduino
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AVDFLAGS += -b 115200
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AVDFLAGS += -P /dev/ttyACM0
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upload: .upload
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.upload: $(PROG).hex
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avrdude $(AVDFLAGS) -U flash:w:$<
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touch $@
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$(PROG).hex: $(PROG)
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avr-objcopy -O ihex -R .eeprom -R .fuse -R .lock -R .signature $< $@
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main: main.o avr.o
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clean:
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rm -f $(PROG) *.hex .upload
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CC = msp430-gcc
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LDFLAGS += -mmcu=msp430g2553
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CFLAGS += -mmcu=msp430g2553
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CFLAGS += -Wall
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CFLAGS += -Os
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CFLAGS += -w
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upload: .upload
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.upload: main
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mspdebug rf2500 "prog $<"
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touch $@
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main: main.o ti.o
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clean:
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rm -f main *.o .upload
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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#include "avr.h"
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#define cbi(byt, bit) (byt &= ~_BV(bit))
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#define sbi(byt, bit) (byt |= _BV(bit))
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extern volatile bool tick;
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extern volatile uint32_t jiffies;
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// Count microseconds
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volatile uint32_t micros = 0;
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// Interrupt called every 1024 µs
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SIGNAL(TIMER0_OVF_vect)
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{
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uint32_t m = micros;
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m += 1024;
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if (m >= JIFFY_uS) {
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m %= JIFFY_uS;
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tick = true;
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jiffies += 1;
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}
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micros = m;
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}
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#define mode(on) bit(PORTD, _BV(0), on)
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#define sin(on) bit(PORTD, _BV(1), on)
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#define sclk(on) bit(PORTD, _BV(2), on)
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#define xlat(on) bit(PORTD, _BV(3), on)
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// Connect GSCLK to SCLK
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// Connect BLANK to XLAT
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// TRUST ME, THIS TOTALLY WORKS
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#define nesclk(on) bit(PORTD, _BV(4), on)
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#define nesltch(on) bit(PORTD, _BV(5), on)
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#define nesout() ((PIND & _BV(6)) << 6)
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void
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init(void)
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{
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// Set timer 0 interrupt clock divider to 64
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TCCR0B = 0x03;
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// enable timer 0 overflow interrupt
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TIMSK0 = 0x01;
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// Enable interrupts
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sei();
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DDRD = ~(_BV(NESOUT));
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DDRB = 0xff;
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PORTD = 0;
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}
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#ifndef AVR_H
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#define AVR_H
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#include <stdint.h>
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#include <avr/io.h>
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#include <avr/interrupt.h>
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// Make sure JIFFY_uS is going to be an integer and not a float!
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#define JIFFIES_PER_SECOND 50
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#define JIFFY_uS (1000000 / JIFFIES_PER_SECOND)
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#define mode(on) bit(PORTD, _BV(0), on)
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#define sin(on) bit(PORTD, _BV(1), on)
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#define sclk(on) bit(PORTD, _BV(2), on)
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#define xlat(on) bit(PORTD, _BV(3), on)
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// Connect GSCLK to SCLK
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// Connect BLANK to XLAT
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// TRUST ME, THIS TOTALLY WORKS
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#define NESOUT 6
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#define nesclk(on) bit(PORTD, _BV(4), on)
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#define nesltch(on) bit(PORTD, _BV(5), on)
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#define nesout() ((PIND & _BV(NESOUT)) << NESOUT)
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void init(void);
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#endif
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2
main.c
2
main.c
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include "avr.h"
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#include "ti.h"
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// Number of shift registers in your scoreboard
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// If you want scores to go over 199, you need 8
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#include <stdbool.h>
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#include <stdint.h>
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#include "ti.h"
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extern volatile bool tick;
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extern volatile uint32_t jiffies;
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// Count microseconds
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volatile uint32_t micros = 0;
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// Interrupt called every 1024 µs
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__attribute__((interrupt(TIMER0_A0_VECTOR)))
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void
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timer_a(void)
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{
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tick = true;
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jiffies += 1;
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}
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void
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init()
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{
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WDTCTL = WDTPW + WDTHOLD; // Disable Watchdog Timer
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P1DIR = ~(_BV(NESOUT));
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P1OUT = 0;
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CCTL0 |= CCIE; // Trigger interrupt on A checkpoint
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TACTL = TASSEL_2 + MC_1; // Set timer A to SMCLCK, up mode
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TACCR0 = 0x4444; // Interrupt 60 times per second
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__enable_interrupt();
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}
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#ifndef TI_H
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#define TI_H
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#include <stdint.h>
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#include <msp430.h>
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#define _BV(x) (1 << x)
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#define JIFFIES_PER_SECOND 60
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#define mode(on) bit(P1OUT, _BV(0), on)
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#define sin(on) bit(P1OUT, _BV(1), on)
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#define sclk(on) bit(P1OUT, _BV(2), on)
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#define xlat(on) bit(P1OUT, _BV(3), on)
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// Connect GSCLK to SCLK
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// Connect BLANK to XLAT
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// TRUST ME, THIS TOTALLY WORKS
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#define NESOUT 6
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#define nesclk(on) bit(P1OUT, _BV(4), on)
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#define nesltch(on) bit(P1OUT, _BV(5), on)
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#define nesout() ((P1IN & _BV(NESOUT)) << NESOUT)
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void init();
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#endif
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