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../lib |
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MCU = atmega328p
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F_CPU = 16000000
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LFUSE = 0xFF
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HFUSE = 0xDE
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EFUSE = 0x05
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MAIN = main.c
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## If you've split your program into multiple files,
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## include the additional .c source (in same directory) here
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## (and include the .h files in your foo.c)
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LOCAL_SOURCE =
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## Here you can link to one more directory (and multiple .c files)
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# EXTRA_SOURCE_DIR = ../AVR-Programming-Library/
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EXTRA_SOURCE_DIR =
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EXTRA_SOURCE_FILES =
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##########------------------------------------------------------##########
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########## Programmer Defaults ##########
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########## Set up once, then forget about it ##########
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########## (Can override. See bottom of file.) ##########
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##########------------------------------------------------------##########
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#19200
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PROGRAMMER_TYPE = arduino
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PROGRAMMER_ARGS = -b 57600 -P /dev/ttyUSB0
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##########------------------------------------------------------##########
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########## Makefile Magic! ##########
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########## Summary: ##########
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########## We want a .hex file ##########
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########## Compile source files into .elf ##########
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########## Convert .elf file into .hex ##########
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########## You shouldn't need to edit below. ##########
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##########------------------------------------------------------##########
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## Defined programs / locations
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CC = avr-gcc
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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AVRSIZE = avr-size
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AVRDUDE = sudo avrdude
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## Compilation options, type man avr-gcc if you're curious.
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CFLAGS = -std=gnu99 -mmcu=$(MCU) -DF_CPU=$(F_CPU)UL -I. -I$(EXTRA_SOURCE_DIR)
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CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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CFLAGS += -Wall -Wno-main -Wno-strict-prototypes -Wno-comment
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CFLAGS += -g2 -Wextra -pedantic -Wfatal-errors
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CFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections -Wl,--relax
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CFLAGS_BUILD = $(CFLAGS) -Os
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# CFLAGS += -lm
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## CFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf
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## CFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf
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## Lump target and extra source files together
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TARGET = $(strip $(basename $(MAIN)))
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SRC1 = $(TARGET).c
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SRC = $(SRC1)
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EXTRA_SOURCE = $(addprefix $(EXTRA_SOURCE_DIR), $(EXTRA_SOURCE_FILES))
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SRC += $(EXTRA_SOURCE)
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SRC += $(LOCAL_SOURCE)
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## List of all header files
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HEADERS = $(SRC:.c=.h)
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## For every .c file, compile an .o object file
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OBJ = $(SRC:.c=.o)
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## Generic Makefile targets. (Only .hex file is necessary)
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all: $(TARGET).hex size |
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pre: $(TARGET).pre |
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%.hex: %.elf |
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$(OBJCOPY) -R .eeprom -O ihex $< $@
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%.elf: $(SRC) |
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$(CC) $(CFLAGS_BUILD) $(SRC) --output $@
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%.pre: $(SRC1) |
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$(CC) $(CFLAGS) -E $(SRC1) --output $@
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%.eeprom: %.elf |
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
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debug: |
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@echo
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@echo "Source files:" $(SRC)
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@echo "MCU, F_CPU, BAUD:" $(MCU), $(F_CPU), $(BAUD)
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@echo
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# Optionally create listing file from .elf
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# This creates approximate assembly-language equivalent of your code.
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# Useful for debugging time-sensitive bits,
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# or making sure the compiler does what you want.
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disassemble: $(TARGET).lst |
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dis: disassemble |
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lst: disassemble |
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eeprom: $(TARGET).eeprom |
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%.lst: %.elf |
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$(OBJDUMP) -S $< > $@
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# Optionally show how big the resulting program is
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size: $(TARGET).elf |
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$(AVRSIZE) -C --mcu=$(MCU) $(TARGET).elf
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clean: |
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rm -f $(TARGET).elf $(TARGET).hex $(TARGET).obj \
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$(TARGET).o $(TARGET).d $(TARGET).eep $(TARGET).lst \
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$(TARGET).lss $(TARGET).sym $(TARGET).map $(TARGET)~ \
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$(TARGET).eeprom
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squeaky_clean: |
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rm -f *.elf *.hex *.obj *.o *.d *.eep *.lst *.lss *.sym *.map *~
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##########------------------------------------------------------##########
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########## Programmer-specific details ##########
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########## Flashing code to AVR using avrdude ##########
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##########------------------------------------------------------##########
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flash: $(TARGET).hex |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U flash:w:$<
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flash_eeprom: $(TARGET).eeprom |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -U eeprom:w:$<
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terminal: |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
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flash_arduino: PROGRAMMER_TYPE = arduino |
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flash_arduino: PROGRAMMER_ARGS = |
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flash_arduino: flash |
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flash_dragon_isp: PROGRAMMER_TYPE = dragon_isp |
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flash_dragon_isp: PROGRAMMER_ARGS = |
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flash_dragon_isp: flash |
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##########------------------------------------------------------##########
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########## Fuse settings and suitable defaults ##########
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##########------------------------------------------------------##########
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## Generic
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FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m
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fuses: |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) \
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$(PROGRAMMER_ARGS) $(FUSE_STRING)
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show_fuses: |
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nv
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## Called with no extra definitions, sets to defaults
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set_default_fuses: FUSE_STRING = -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m |
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set_default_fuses: fuses |
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#include <avr/io.h> |
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#include <avr/interrupt.h> |
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#include <util/delay.h> |
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#include <stdbool.h> |
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#include <stdint.h> |
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#include "lib/meta.h" |
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#include "lib/arduino_pins.h" |
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#include "lib/calc.h" |
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#include "lib/colors.h" |
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#include "lib/ws2812.h" |
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#define WS1 D10 |
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void render(); |
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void init_karts(); |
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void move_karts(); |
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void SECTION(".init8") init_io() |
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{ |
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// led strip data
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as_output(WS1); |
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// setup timer 10 ms
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TCCR0A = _BV(WGM01); // CTC
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TCCR0B = _BV(CS02) | _BV(CS00); // prescaler 512
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OCR0A = 100; // interrupt every 10 ms 156
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sbi(TIMSK0, OCIE0A); |
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sei(); |
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} |
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/** timer 0 interrupt vector */ |
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ISR(TIMER0_COMPA_vect) |
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{ |
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move_karts(); |
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render(); |
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} |
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/** Unsigned int range struct */ |
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typedef struct { |
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uint8_t a; |
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uint8_t b; |
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int8_t dir; |
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uint8_t steptime; |
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uint8_t stepcnt; |
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xrgb_t color; |
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} kart_t; |
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#define BLACK xrgb(0,0,0) |
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#define karts_len 6 |
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#define screen_len 72 |
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kart_t karts[karts_len]; |
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xrgb_t screen[screen_len]; |
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void init_karts() |
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{ |
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karts[0] = (kart_t) { .a=0, .b=17, .dir=1, .steptime=2, .stepcnt=0, .color=xrgb(50, 0, 0) }; |
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karts[1] = (kart_t) { .a=10, .b=19, .dir=1, .steptime=3, .stepcnt=0, .color=xrgb(0, 50, 0) }; |
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karts[2] = (kart_t) { .a=20, .b=29, .dir=1, .steptime=7, .stepcnt=0, .color=xrgb(0, 0, 50) }; |
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karts[3] = (kart_t) { .a=40, .b=52, .dir=-1, .steptime=2, .stepcnt=0, .color=xrgb(50, 0, 50) }; |
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karts[4] = (kart_t) { .a=50, .b=69, .dir=-1, .steptime=11, .stepcnt=0, .color=xrgb(0, 20, 20) }; |
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karts[5] = (kart_t) { .a=25, .b=37, .dir=-1, .steptime=1, .stepcnt=0, .color=xrgb(60, 30, 0) }; |
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karts[5] = (kart_t) { .a=17, .b=25, .dir=1, .steptime=5, .stepcnt=0, .color=xrgb(25, 25, 0) }; |
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} |
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void move_karts() |
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{ |
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for (uint8_t j = 0; j < karts_len; j++) { |
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if (++karts[j].stepcnt >= karts[j].steptime) { |
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// move yo ass
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if (karts[j].dir > 0) { |
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inc_wrap(karts[j].a, 0, screen_len - 1); |
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inc_wrap(karts[j].b, 0, screen_len - 1); |
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} else { |
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dec_wrap(karts[j].a, 0, screen_len - 1); |
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dec_wrap(karts[j].b, 0, screen_len - 1); |
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} |
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karts[j].stepcnt = 0; |
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} |
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} |
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} |
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void render() |
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{ |
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// build the screen
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// for each pixel
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for (uint8_t i = 0; i < screen_len; i++) { |
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screen[i] = BLACK; |
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// for each kart
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for (uint8_t j = 0; j < karts_len; j++) { |
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if (in_range_wrap(i, karts[j].a, karts[j].b)) { |
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screen[i] = add_xrgb(screen[i], karts[j].color); |
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} |
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} |
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} |
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for (uint8_t i = 0; i < screen_len; i++) { |
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ws_send_xrgb(WS1, screen[i]); |
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} |
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} |
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void main() |
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{ |
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init_karts(); |
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while(1) {} // Timer interrupts do the rest
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} |
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Loading…
Reference in new issue