Initial commit: Adding Stuff from Rechnergestützter Entwurf

This commit is contained in:
Nis Börge Wechselberg 2014-01-14 02:49:19 +01:00
commit 58f6271661
4 changed files with 398 additions and 0 deletions

4
.gitignore vendored Normal file
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*.o
*.hex
*.elf
*.eep

225
Makefile Normal file
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# Hey Emacs, this is a -*- makefile -*-
# AVR-GCC Makefile template, derived from the WinAVR template (which
# is public domain), believed to be neutral to any flavor of "make"
# (GNU make, BSD make, SysV make)
MCU = attiny84
FORMAT = binary
TARGET = dimmer
SRC = $(TARGET).c
ASRC =
OPT = s
# Name of this Makefile (used for "make depend").
MAKEFILE = Makefile
# Debugging format.
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
DEBUG = stabs
# Compiler flag to set the C Standard level.
# c89 - "ANSI" C
# gnu89 - c89 plus GCC extensions
# c99 - ISO C99 standard (not yet fully implemented)
# gnu99 - c99 plus GCC extensions
CSTANDARD = -std=c99
# Place -D or -U options here
CDEFS =
# Place -I options here
CINCS =
CDEBUG = -g$(DEBUG)
CWARN = -Wall -Wstrict-prototypes
CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA)
#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
#Additional libraries.
# Minimalistic printf version
PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
# Floating point printf version (requires MATH_LIB = -lm below)
PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
PRINTF_LIB =
# Minimalistic scanf version
SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
SCANF_LIB =
MATH_LIB = -lm
# External memory options
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
# used for variables (.data/.bss) and heap (malloc()).
#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
# 64 KB of external RAM, starting after internal RAM (ATmega128!),
# only used for heap (malloc()).
#EXTMEMOPTS = -Wl,--defsym=__heap_start=0x801100,--defsym=__heap_end=0x80ffff
EXTMEMOPTS =
#LDMAP = $(LDFLAGS) -Wl,-Map=$(TARGET).map,--cref
LDFLAGS = $(EXTMEMOPTS) $(LDMAP) $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
# Programming support using avrdude. Settings and variables.
AVRDUDE_PROGRAMMER = avrispv2
AVRDUDE_PORT = /dev/ttyACM0
AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
# Uncomment the following if you want avrdude's erase cycle counter.
# Note that this counter needs to be initialized first using -Yn,
# see avrdude manual.
#AVRDUDE_ERASE_COUNTER = -y
# Uncomment the following if you do /not/ wish a verification to be
# performed after programming the device.
#AVRDUDE_NO_VERIFY = -V
# Increase verbosity level. Please use this when submitting bug
# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
# to submit bug reports.
#AVRDUDE_VERBOSE = -v -v
AVRDUDE_BASIC = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) -B4
AVRDUDE_FLAGS = $(AVRDUDE_BASIC) $(AVRDUDE_NO_VERIFY) $(AVRDUDE_VERBOSE) $(AVRDUDE_ERASE_COUNTER)
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
NM = avr-nm
AVRDUDE = avrdude
REMOVE = rm -f
MV = mv -f
# Define all object files.
OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
# Define all listing files.
LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
# Combine all necessary flags and optional flags.
# Add target processor to flags.
ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
# Default target.
all: build
build: elf hex eep
elf: $(TARGET).elf
hex: $(TARGET).hex
eep: $(TARGET).eep
lss: $(TARGET).lss
sym: $(TARGET).sym
# Program the device.
program: $(TARGET).hex $(TARGET).eep
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
COFFCONVERT=$(OBJCOPY) --debugging \
--change-section-address .data-0x800000 \
--change-section-address .bss-0x800000 \
--change-section-address .noinit-0x800000 \
--change-section-address .eeprom-0x810000
coff: $(TARGET).elf
$(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
extcoff: $(TARGET).elf
$(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
.SUFFIXES: .elf .hex .eep .lss .sym
.elf.hex:
$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
.elf.eep:
-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
# Create extended listing file from ELF output file.
.elf.lss:
$(OBJDUMP) -h -S $< > $@
# Create a symbol table from ELF output file.
.elf.sym:
$(NM) -n $< > $@
# Link: create ELF output file from object files.
$(TARGET).elf: $(OBJ)
$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
# Compile: create object files from C source files.
.c.o:
$(CC) -c $(ALL_CFLAGS) $< -o $@
# Compile: create assembler files from C source files.
.c.s:
$(CC) -S $(ALL_CFLAGS) $< -o $@
# Assemble: create object files from assembler source files.
.S.o:
$(CC) -c $(ALL_ASFLAGS) $< -o $@
# Target: clean project.
clean:
$(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
$(TARGET).map $(TARGET).sym $(TARGET).lss \
$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d)
depend:
if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
then \
sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
$(MAKEFILE).$$$$ && \
$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
fi
echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
>> $(MAKEFILE); \
$(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
.PHONY: all build elf hex eep lss sym program coff extcoff clean depend

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dimmer.c Executable file
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#include <avr/io.h>
#include <avr/sleep.h>
#include <avr/interrupt.h>
uint8_t volatile pina;
uint8_t volatile pinb;
ISR(PCINT1_vect, ISR_ALIASOF(PCINT0_vect));
ISR(PCINT0_vect){
uint8_t difa = (pina ^ PINA) & PINA;
uint8_t difb = (pinb ^ PINB) & PINB;
if(difa == 1) {
// S1 gedrückt: blau heller
if (OCR0A >= 25) {
OCR0A = OCR0A - 25;
}
} else if (difa == 2) {
//S2 gedrückt: blau schwaecher
if (OCR0A <= 230) {
OCR0A = OCR0A + 25;
}
} else if (difa == 4) {
//S3 gedrückt: grün heller
if (OCR0B >= 25) {
OCR0B = OCR0B - 25;
}
} else if (difa == 8) {
//S4 gedrückt: grüner schwaecher
if (OCR0B <= 230) {
OCR0B = OCR0B + 25;
}
} else if (difb == 2) {
//S5 gedrückt: rot heller
if (OCR1A >= 25) {
OCR1A = OCR1A - 25;
}
}
else if (difb == 1) {
//S6 gedrückt: rot schwaecher
if (OCR1A <= 230) {
OCR1A = OCR1A + 25;
}
}
pina = PINA;
pinb = PINB;
}
// Set fuses for 8MHz internal clock with slow rising power
FUSES =
{
.low = (FUSE_SUT0 & FUSE_CKSEL3 & FUSE_CKSEL2 & FUSE_CKSEL0),
.high = FUSE_SPIEN,
.extended = EFUSE_DEFAULT
};
int main()
{
OCR0A = 255;
OCR0B = 255;
OCR1A = 255;
TCCR0B = (1 << CS01) | (1 << CS00);
TCCR0A = (1 << WGM01) | (1 << WGM00) | (1 << COM0A1) | (1 << COM0A0) | (1 << COM0B1) | (1 << COM0B0);
// 16 bit zähler
TCCR1B = (1 << CS11) | (1 << CS10) | (1 << WGM12);
TCCR1A = (1 << WGM10) | (1 << COM1A1) | (1 << COM1A0);
// Set A7, A6 and B2 as output
DDRA = (1 << DDA7) | (1 << DDA6);
DDRB = (1 << DDB2);
pina = PINA;
pinb = PINB;
// Enable Pin Change Interrupts for switches
GIMSK = (1 << PCIE1) |(1 << PCIE0);
PCMSK0 = (1 << PCINT0) | (1 << PCINT1) | (1 << PCINT2) | (1 << PCINT3);
PCMSK1 = (1 << PCINT8) | (1 << PCINT9);
sei();
while (1) {
// sleep_enable();
}
return 0;
}

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led.c Executable file
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/* ========================================================================== */
/* */
/* Filename.c */
/* (c) 2001 Author */
/* */
/* Description */
/* */
/* ========================================================================== */
#include <avr/io.h>
#include <avr/sleep.h>
#include <avr/interrupt.h>
uint8_t pina;
uint8_t pinb;
ISR(PCINT0_vect){
uint8_t difa = (pina ^ PINA) & PINA;
uint8_t difb = (pinb ^ PINB) & PINB;
if (difa == 1) {
// S1 gedrückt -> aktiviere Blau ?
PORTB = PORTB ^ 4;
} else if (difa == 2) {
// S2 gedrückt -> aktiviere ??
PORTA = PORTA ^ 128;
} else if (difa == 4) {
// S3 gedrückt -> aktiviere ??
PORTA = PORTA ^ 64;
} else if (difa == 8) {
// S4 gedrückt -> alle an
PORTA |= (1 << PORTA6) | (1 << PORTA7);
PORTB |= (1 << PORTB2);
} else if (difb == 1 || difb == 2) {
// S5 oder S6 gedrückt -> alle aus
PORTA = (1 << PORTA4) | (1 << PORTA5);
PORTB = (1 << PORTB3);
}
pina = PINA;
pinb = PINB;
}
// Set fuses for 8MHz internal clock with slow rising power
FUSES =
{
.low = (FUSE_SUT1 & FUSE_CKSEL3 & FUSE_CKSEL2 & FUSE_CKSEL0),
.high = FUSE_SPIEN,
.extended = EFUSE_DEFAULT
};
int main() {
// Set A7, A6 and B2 as output
DDRA = (1 << DDA7) | (1 << DDA6);
DDRB = (1 << DDB2);
PORTB = 0;
PORTA = 0;
pina = PINA;
pinb = PINB;
// Enable Pin Change Interrupts for switches
GIMSK = (1 << PCIE1) | (1 << PCIE0);
PCMSK0 = (1 << PCINT0) | (1 << PCINT1) | (1 << PCINT2) | (1 << PCINT3);
PCMSK1 = (1 << PCINT8) | (1 << PCINT9);
sei();
while (1) {
sleep_enable();
}
return 0;
}