Started following some tutorial on att85 usi. Downloaded example code from make avr book.
This commit is contained in:
Dan
196
Make AVR Examples/Chapter05_Serial-IO/serialOrgan/Makefile
Normal file
196
Make AVR Examples/Chapter05_Serial-IO/serialOrgan/Makefile
Normal file
@@ -0,0 +1,196 @@
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##########------------------------------------------------------##########
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########## Project-specific Details ##########
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########## Check these every time you start a new project ##########
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##########------------------------------------------------------##########
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MCU = atmega168p
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F_CPU = 1000000UL
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BAUD = 9600UL
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## Also try BAUD = 19200 or 38400 if you're feeling lucky.
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## A directory for common include files and the simple USART library.
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## If you move either the current folder or the Library folder, you'll
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## need to change this path to match.
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LIBDIR = ../../AVR-Programming-Library
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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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PROGRAMMER_TYPE = usbtiny
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# extra arguments to avrdude: baud rate, chip type, -F flag, etc.
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PROGRAMMER_ARGS =
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##########------------------------------------------------------##########
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########## Program Locations ##########
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########## Won't need to change if they're in your PATH ##########
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##########------------------------------------------------------##########
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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 = avrdude
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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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## The name of your project (without the .c)
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# TARGET = blinkLED
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## Or name it automatically after the enclosing directory
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TARGET = $(lastword $(subst /, ,$(CURDIR)))
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# Object files: will find all .c/.h files in current directory
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# and in LIBDIR. If you have any other (sub-)directories with code,
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# you can add them in to SOURCES below in the wildcard statement.
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SOURCES=$(wildcard *.c $(LIBDIR)/*.c)
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OBJECTS=$(SOURCES:.c=.o)
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HEADERS=$(SOURCES:.c=.h)
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## Compilation options, type man avr-gcc if you're curious.
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CPPFLAGS = -DF_CPU=$(F_CPU) -DBAUD=$(BAUD) -I. -I$(LIBDIR)
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CFLAGS = -Os -g -std=gnu99 -Wall
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## Use short (8-bit) data types
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CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
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## Splits up object files per function
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CFLAGS += -ffunction-sections -fdata-sections
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LDFLAGS = -Wl,-Map,$(TARGET).map
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## Optional, but often ends up with smaller code
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LDFLAGS += -Wl,--gc-sections
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## Relax shrinks code even more, but makes disassembly messy
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## LDFLAGS += -Wl,--relax
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## LDFLAGS += -Wl,-u,vfprintf -lprintf_flt -lm ## for floating-point printf
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## LDFLAGS += -Wl,-u,vfprintf -lprintf_min ## for smaller printf
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TARGET_ARCH = -mmcu=$(MCU)
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## Explicit pattern rules:
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## To make .o files from .c files
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%.o: %.c $(HEADERS) Makefile
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$(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c -o $@ $<;
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$(TARGET).elf: $(OBJECTS)
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$(CC) $(LDFLAGS) $(TARGET_ARCH) $^ $(LDLIBS) -o $@
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%.hex: %.elf
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$(OBJCOPY) -j .text -j .data -O ihex $< $@
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%.eeprom: %.elf
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$(OBJCOPY) -j .eeprom --change-section-lma .eeprom=0 -O ihex $< $@
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%.lst: %.elf
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$(OBJDUMP) -S $< > $@
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## These targets don't have files named after them
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.PHONY: all disassemble disasm eeprom size clean squeaky_clean flash fuses
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all: $(TARGET).hex
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debug:
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@echo
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@echo "Source files:" $(SOURCES)
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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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disasm: disassemble
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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 *~ *.eeprom
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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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## An alias
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program: flash
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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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avrdude_terminal:
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$(AVRDUDE) -c $(PROGRAMMER_TYPE) -p $(MCU) $(PROGRAMMER_ARGS) -nt
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## If you've got multiple programmers that you use,
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## you can define them here so that it's easy to switch.
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## To invoke, use something like `make flash_arduinoISP`
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flash_usbtiny: PROGRAMMER_TYPE = usbtiny
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flash_usbtiny: PROGRAMMER_ARGS = # USBTiny works with no further arguments
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flash_usbtiny: flash
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flash_usbasp: PROGRAMMER_TYPE = usbasp
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flash_usbasp: PROGRAMMER_ARGS = # USBasp works with no further arguments
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flash_usbasp: flash
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flash_arduinoISP: PROGRAMMER_TYPE = avrisp
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flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P /dev/ttyACM0
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## (for windows) flash_arduinoISP: PROGRAMMER_ARGS = -b 19200 -P com5
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flash_arduinoISP: flash
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flash_109: PROGRAMMER_TYPE = avr109
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flash_109: PROGRAMMER_ARGS = -b 9600 -P /dev/ttyUSB0
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flash_109: flash
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##########------------------------------------------------------##########
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########## Fuse settings and suitable defaults ##########
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##########------------------------------------------------------##########
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## Mega 48, 88, 168, 328 default values
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LFUSE = 0x62
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HFUSE = 0xdf
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EFUSE = 0x00
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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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## Set the fuse byte for full-speed mode
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## Note: can also be set in firmware for modern chips
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set_fast_fuse: LFUSE = 0xE2
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set_fast_fuse: FUSE_STRING = -U lfuse:w:$(LFUSE):m
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set_fast_fuse: fuses
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## Set the EESAVE fuse byte to preserve EEPROM across flashes
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set_eeprom_save_fuse: HFUSE = 0xD7
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set_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
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set_eeprom_save_fuse: fuses
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## Clear the EESAVE fuse byte
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clear_eeprom_save_fuse: FUSE_STRING = -U hfuse:w:$(HFUSE):m
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clear_eeprom_save_fuse: fuses
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@@ -0,0 +1,50 @@
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## Scripting in python to drive the serial-port organ
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## So far, the "protocol" is simple.
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## Python routine sends a note, waits for a return character, then sends next, etc.
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## Organ listens for notes, when it gets one sends an 'N' to say it's ready
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import serial
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def playString(noteString, serialPort):
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for letter in noteString:
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print(letter)
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serialPort.write(letter.encode())
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returnValue = serialPort.read(1)
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if __name__ == "__main__":
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import time
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from urllib.request import urlopen
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## Need to consider alternatives for Mac / Windows
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## list all serial ports being used: python -m serial.tools.list_ports
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PORT = "/dev/ttyUSB0" # Change this to the current serial port being used
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BAUD = 9600
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s = serial.Serial(PORT, BAUD)
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s.flush()
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## flush clears the buffer so that we're starting fresh
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## More on serial buffers later.
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## An intentional example. You can use this for playing music on purpose.
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playString("f g h j k l ; ]'[", s)
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input("Press enter for next demo\n")
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## A fun / stupid example. You can just type stuff and see what comes out.
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playString("hello there, this is a random string turned into 'music'", s)
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input("Press enter for next demo\n")
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## Website no longer alive... skipping:
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## A really frivolous example. Play websites!
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## Bonus points for first person to tweet themselves a song.
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#print ("Downloading song data from http://serialorgansongs.jottit.com/...")
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#import re
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#contentFilter = re.compile(r'<p>(.*?)</p>')
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#songSite = urlopen("http://serialorgansongs.jottit.com/").read()
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#songText = contentFilter.findall(songSite)[0]
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#playString(songText, s)
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## Or interactive
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mySong = input("\nType in your own song: ")
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playString(mySong, s)
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26
Make AVR Examples/Chapter05_Serial-IO/serialOrgan/organ.c
Normal file
26
Make AVR Examples/Chapter05_Serial-IO/serialOrgan/organ.c
Normal file
@@ -0,0 +1,26 @@
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/*
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Simple routines to play notes out to a speaker
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*/
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#include <avr/io.h>
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#include <util/delay.h>
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#include "organ.h"
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#include "pinDefines.h"
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void playNote(uint16_t period, uint16_t duration) {
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uint16_t elapsed;
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uint16_t i;
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for (elapsed = 0; elapsed < duration; elapsed += period) {
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/* For loop with variable delay selects the pitch */
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for (i = 0; i < period; i++) {
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_delay_us(1);
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}
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SPEAKER_PORT ^= (1 << SPEAKER);
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}
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}
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void rest(uint16_t duration) {
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do {
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_delay_us(1);
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} while (--duration);
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}
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@@ -0,0 +1,9 @@
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// ------------- Function prototypes -------------- //
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// Plays a note for the given duration. None of these times are
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// calibrated to actual notes or tempi. It's all relative to TIMEBASE.
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void playNote(uint16_t period, uint16_t duration);
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// Does nothing for a time equal to the passed duration.
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void rest(uint16_t duration);
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99
Make AVR Examples/Chapter05_Serial-IO/serialOrgan/scale16.h
Normal file
99
Make AVR Examples/Chapter05_Serial-IO/serialOrgan/scale16.h
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@@ -0,0 +1,99 @@
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// Scale in the key of 25000
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// Automatically generated by scaleGenerator.py
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#define C0 25000
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#define Cx0 23597
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#define D0 22272
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#define Dx0 21022
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#define E0 19843
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#define F0 18729
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#define Fx0 17678
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#define G0 16685
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#define Gx0 15749
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#define A0 14865
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#define Ax0 14031
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#define B0 13243
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#define C1 12500
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#define Cx1 11798
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#define D1 11136
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#define Dx1 10511
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#define E1 9921
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#define F1 9364
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#define Fx1 8839
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#define G1 8343
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#define Gx1 7875
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#define A1 7433
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#define Ax1 7015
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#define B1 6622
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#define C2 6250
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#define Cx2 5899
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#define D2 5568
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#define Dx2 5256
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#define E2 4961
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#define F2 4682
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#define Fx2 4419
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#define G2 4171
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#define Gx2 3937
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#define A2 3716
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#define Ax2 3508
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#define B2 3311
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#define C3 3125
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#define Cx3 2950
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#define D3 2784
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#define Dx3 2628
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#define E3 2480
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#define F3 2341
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#define Fx3 2210
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#define G3 2086
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#define Gx3 1969
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#define A3 1858
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#define Ax3 1754
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#define B3 1655
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#define C4 1562
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#define Cx4 1474
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#define D4 1392
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#define Dx4 1313
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#define E4 1240
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#define F4 1170
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#define Fx4 1105
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#define G4 1043
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#define Gx4 984
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#define A4 929
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#define Ax4 877
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#define B4 827
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#define C5 781
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#define Cx5 737
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#define D5 696
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#define Dx5 657
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#define E5 620
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#define F5 585
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#define Fx5 552
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#define G5 521
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#define Gx5 492
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#define A5 464
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#define Ax5 438
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#define B5 414
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#define C6 390
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#define Cx6 368
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#define D6 347
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#define Dx6 328
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#define E6 310
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#define F6 292
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#define Fx6 276
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#define G6 260
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#define Gx6 246
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#define A6 232
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#define Ax6 219
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#define B6 207
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#define C7 195
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#define Cx7 184
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#define D7 174
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#define Dx7 164
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#define E7 155
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#define F7 146
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#define Fx7 138
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#define G7 130
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#define Gx7 123
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#define A7 116
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#define Ax7 109
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#define B7 103
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@@ -0,0 +1,46 @@
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# scaleGenerator.py
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# Scales are in terms of times per cycle (period) rather
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# than pitch.
|
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#
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|
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import math
|
||||
|
||||
SCALE = ['C', 'Cx', 'D', 'Dx', 'E', 'F', 'Fx', 'G', 'Gx', 'A', 'Ax', 'B']
|
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|
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def calculateOctave(baseLength):
|
||||
periods = [baseLength / math.exp(x*math.log(2)/12) for x in range(0, 12)]
|
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periods = [int(round(x)) for x in periods]
|
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return( zip(SCALE, periods) )
|
||||
|
||||
def makePitches(basePitch, numOctaves):
|
||||
pitchList = []
|
||||
for octave in range(0, numOctaves):
|
||||
for note, period in calculateOctave(basePitch / 2**octave):
|
||||
if period < 65500:
|
||||
noteString = note + str(octave)
|
||||
pitchList.append((noteString,period))
|
||||
return(pitchList)
|
||||
|
||||
def makeDefines(basePitch, numOctaves):
|
||||
pitchList = makePitches(basePitch, numOctaves)
|
||||
defineString = "// Scale in the key of {} \n".format(basePitch)
|
||||
defineString += "// Automatically generated by scaleGenerator.py \n\n"
|
||||
for (note, length) in pitchList:
|
||||
defineString += "#define {:<5}{:>6}\n".format(note, length)
|
||||
return(defineString)
|
||||
|
||||
if __name__ == "__main__":
|
||||
|
||||
## Change these if you like
|
||||
BASEPITCH = 25000
|
||||
OCTAVES = 8
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OUTFILE = "scale16.h"
|
||||
|
||||
## Write it out to a file
|
||||
out = open(OUTFILE, "w")
|
||||
out.write(makeDefines(BASEPITCH, OCTAVES))
|
||||
out.close()
|
||||
|
||||
|
||||
|
||||
|
||||
@@ -0,0 +1,74 @@
|
||||
/*
|
||||
|
||||
serialOrgan.c
|
||||
|
||||
Reads a character in serial from the keyboard, plays a note.
|
||||
|
||||
See organ.h for pin defines and other macros
|
||||
See organ.c (and include it in the Makefile) for playNote() and rest()
|
||||
|
||||
*/
|
||||
|
||||
// ------- Preamble -------- //
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
#include "organ.h"
|
||||
#include "scale16.h"
|
||||
#include "pinDefines.h"
|
||||
#include "USART.h"
|
||||
|
||||
#define NOTE_DURATION 0xF000 /* determines long note length */
|
||||
|
||||
int main(void) {
|
||||
|
||||
// -------- Inits --------- //
|
||||
SPEAKER_DDR |= (1 << SPEAKER); /* speaker for output */
|
||||
initUSART();
|
||||
printString("----- Serial Organ ------\r\n");
|
||||
|
||||
char fromCompy; /* used to store serial input */
|
||||
uint16_t currentNoteLength = NOTE_DURATION / 2;
|
||||
const uint8_t keys[] = { 'a', 'w', 's', 'e', 'd', 'f', 't',
|
||||
'g', 'y', 'h', 'j', 'i', 'k', 'o',
|
||||
'l', 'p', ';', '\''
|
||||
};
|
||||
const uint16_t notes[] = { G4, Gx4, A4, Ax4, B4, C5, Cx5,
|
||||
D5, Dx5, E5, F5, Fx5, G5, Gx5,
|
||||
A5, Ax5, B5, C6
|
||||
};
|
||||
uint8_t isNote;
|
||||
uint8_t i;
|
||||
|
||||
// ------ Event loop ------ //
|
||||
while (1) {
|
||||
|
||||
/* Get Key */
|
||||
fromCompy = receiveByte(); /* waits here until there is input */
|
||||
transmitByte('N'); /* alert computer we're ready for next note */
|
||||
|
||||
/* Play Notes */
|
||||
isNote = 0;
|
||||
for (i = 0; i < sizeof(keys); i++) {
|
||||
if (fromCompy == keys[i]) { /* found match in lookup table */
|
||||
playNote(notes[i], currentNoteLength);
|
||||
isNote = 1; /* record that we've found a note */
|
||||
break; /* drop out of for() loop */
|
||||
}
|
||||
}
|
||||
|
||||
/* Handle non-note keys: tempo changes and rests */
|
||||
if (!isNote) {
|
||||
if (fromCompy == '[') { /* code for short note */
|
||||
currentNoteLength = NOTE_DURATION / 2;
|
||||
}
|
||||
else if (fromCompy == ']') { /* code for long note */
|
||||
currentNoteLength = NOTE_DURATION;
|
||||
}
|
||||
else { /* unrecognized, just rest */
|
||||
rest(currentNoteLength);
|
||||
}
|
||||
}
|
||||
|
||||
} /* End event loop */
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user