--- /dev/null
+## see README file
+
+TARGET = rf433rcv
+#TARGET = find_onewire
+INSTALL_DIR = $(PWD)/arduino
+PORT = /dev/ttyUSB0
+UPLOAD_RATE = 57600
+AVRDUDE_PROGRAMMER = stk500v1
+MCU = atmega328p
+F_CPU = 16000000
+
+############################################################################
+# Below here nothing should be changed...
+
+RESET_TTY_DIR=../reset_tty/
+RESET_TTY=$(RESET_TTY_DIR)reset_tty
+ARDUINO = $(INSTALL_DIR)/hardware/cores/arduino
+AVR_TOOLS_PATH = /usr/bin
+SRC = $(ARDUINO)/pins_arduino.c $(ARDUINO)/wiring.c \
+$(ARDUINO)/wiring_analog.c $(ARDUINO)/wiring_digital.c \
+$(ARDUINO)/wiring_pulse.c $(ARDUINO)/wiring_serial.c \
+$(ARDUINO)/wiring_shift.c $(ARDUINO)/WInterrupts.c
+CXXSRC = $(ARDUINO)/HardwareSerial.cpp $(ARDUINO)/Print.cpp $(ARDUINO)/WMath.cpp
+FORMAT = ihex
+
+
+# Name of this Makefile (used for "make depend").
+MAKEFILE = Makefile
+
+# Debugging format.
+# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
+# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
+DEBUG = stabs
+
+OPT = s
+
+# Place -D or -U options here
+CDEFS = -DF_CPU=$(F_CPU)
+CXXDEFS = -DF_CPU=$(F_CPU)
+CINCS = -I$(ARDUINO)
+CXXINCS = -I$(ARDUINO)
+
+# Compiler flag to set the C Standard level.
+# c89 - "ANSI" C
+# gnu89 - c89 plus GCC extensions
+# c99 - ISO C99 standard (not yet fully implemented)
+# gnu99 - c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+CDEBUG = -g$(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)
+CXXFLAGS = $(CDEFS) $(CXXINCS) -O$(OPT)
+#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
+LDFLAGS = -lm
+
+
+# Programming support using avrdude. Settings and variables.
+AVRDUDE_PORT = $(PORT)
+AVRDUDE_WRITE_FLASH = -U flash:w:applet/$(TARGET).hex
+AVRDUDE_FLAGS = -V -F -C $(INSTALL_DIR)/hardware/tools/avrdude.conf \
+-p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
+-b $(UPLOAD_RATE)
+
+# Program settings
+CC = $(AVR_TOOLS_PATH)/avr-gcc
+CXX = $(AVR_TOOLS_PATH)/avr-g++
+OBJCOPY = $(AVR_TOOLS_PATH)/avr-objcopy
+OBJDUMP = $(AVR_TOOLS_PATH)/avr-objdump
+AR = $(AVR_TOOLS_PATH)/avr-ar
+SIZE = $(AVR_TOOLS_PATH)/avr-size
+NM = $(AVR_TOOLS_PATH)/avr-nm
+AVRDUDE = $(AVR_TOOLS_PATH)/avrdude
+REMOVE = rm -f
+MV = mv -f
+
+# Define all object files.
+OBJ = $(SRC:.c=.o) $(CXXSRC:.cpp=.o) $(ASRC:.S=.o)
+
+# Define all listing files.
+LST = $(ASRC:.S=.lst) $(CXXSRC:.cpp=.lst) $(SRC:.c=.lst)
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
+ALL_CXXFLAGS = -mmcu=$(MCU) -I. $(CXXFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+
+# Default target.
+all: applet_files build sizeafter
+
+build: elf hex
+
+applet_files: $(TARGET).pde
+ # Here is the "preprocessing".
+ # It creates a .cpp file based with the same name as the .pde file.
+ # On top of the new .cpp file comes the WProgram.h header.
+ # At the end there is a generic main() function attached.
+ # Then the .cpp file will be compiled. Errors during compile will
+ # refer to this new, automatically generated, file.
+ # Not the original .pde file you actually edit...
+ test -d applet || mkdir applet
+ echo '#include "WProgram.h"' > applet/$(TARGET).cpp
+ cat $(TARGET).pde >> applet/$(TARGET).cpp
+ cat $(ARDUINO)/main.cxx >> applet/$(TARGET).cpp
+
+elf: applet/$(TARGET).elf
+hex: applet/$(TARGET).hex
+eep: applet/$(TARGET).eep
+lss: applet/$(TARGET).lss
+sym: applet/$(TARGET).sym
+
+# Program the device.
+upload: applet/$(TARGET).hex $(RESET_TTY)
+ $(RESET_TTY) $(PORT)
+ $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
+
+
+ # Display size of file.
+HEXSIZE = $(SIZE) --target=$(FORMAT) applet/$(TARGET).hex
+ELFSIZE = $(SIZE) applet/$(TARGET).elf
+sizebefore:
+ @if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
+
+sizeafter:
+ @if [ -f applet/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(HEXSIZE); echo; fi
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT=$(OBJCOPY) --debugging \
+--change-section-address .data-0x800000 \
+--change-section-address .bss-0x800000 \
+--change-section-address .noinit-0x800000 \
+--change-section-address .eeprom-0x810000
+
+
+coff: applet/$(TARGET).elf
+ $(COFFCONVERT) -O coff-avr applet/$(TARGET).elf $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+ $(COFFCONVERT) -O coff-ext-avr applet/$(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 $< > $@
+
+ # Link: create ELF output file from library.
+applet/$(TARGET).elf: $(TARGET).pde applet/core.a
+ $(CC) $(ALL_CFLAGS) -o $@ applet/$(TARGET).cpp -L. applet/core.a $(LDFLAGS)
+
+applet/core.a: $(OBJ)
+ @for i in $(OBJ); do echo $(AR) rcs applet/core.a $$i; $(AR) rcs applet/core.a $$i; done
+
+
+
+# Compile: create object files from C++ source files.
+.cpp.o:
+ $(CXX) -c $(ALL_CXXFLAGS) $< -o $@
+
+# 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:
+ $(REMOVE) applet/$(TARGET).hex applet/$(TARGET).eep applet/$(TARGET).cof applet/$(TARGET).elf \
+ applet/$(TARGET).map applet/$(TARGET).sym applet/$(TARGET).lss applet/core.a \
+ $(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.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) >> $(MAKEFILE)
+
+$(RESET_TTY):
+ make -C $(RESET_TTY_DIR)
+
+.PHONY: all build elf hex eep lss sym program coff extcoff clean depend applet_files sizebefore sizeafter
--- /dev/null
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <inttypes.h>
+
+#define RF433_PIN 10
+//********************************************************************//
+
+typedef unsigned char byte;
+
+typedef struct {
+ byte offset;
+ byte state;
+} rf_bit_t;
+
+// offset is number of alphas (0.08ms)
+
+const rf_bit_t zero_bit[] = { { 4, 1 },
+ { 16, 0 },
+ { 20, 1 },
+ { 32, 0 },
+ { 0, 0 } };
+
+const rf_bit_t one_bit[] = { { 12, 1 },
+ { 16, 0 },
+ { 28, 1 },
+ { 32, 0 },
+ { 0, 0 } };
+
+const rf_bit_t float_bit[] = { { 4, 1 },
+ { 16, 0 },
+ { 28, 1 },
+ { 32, 0 },
+ { 0, 0 } };
+
+const rf_bit_t sync_bit[] = { { 4, 1 },
+ { 128, 0 },
+ { 0, 0 } };
+
+typedef enum { ZERO = 0, ONE , FLOAT , SYNC } adbit_t;
+typedef byte ad_bit_t;
+#define WORD_LEN 13
+typedef ad_bit_t word_t[WORD_LEN];
+
+const rf_bit_t* bit_defs[] = { zero_bit, one_bit, float_bit, sync_bit };
+
+byte alpha_cnt = 0;
+byte bit_cnt = 0;
+byte chunk_cnt = 0;
+byte word_cnt = 0;
+const ad_bit_t* current_word;
+byte volatile frame_finished = 1;
+
+#define FRAME_LEN 8
+
+#define A1_ON 0
+#define A1_OFF 1
+#define A2_ON 2
+#define A2_OFF 3
+
+#define B1_ON 4
+#define B1_OFF 5
+#define B2_ON 6
+#define B2_OFF 7
+
+#define C1_ON 8
+#define C1_OFF 9
+#define C2_ON 10
+#define C2_OFF 11
+
+#define D1_ON 12
+#define D1_OFF 13
+#define D2_ON 14
+#define D2_OFF 15
+
+const word_t words[] = {
+{ ZERO, ZERO, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // A1_ON
+{ ZERO, ZERO, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // A1_OFF
+{ ZERO, ZERO, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // A2_ON
+{ ZERO, ZERO, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // A2_OFF
+
+{ FLOAT, ZERO, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // B1_ON
+{ FLOAT, ZERO, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // B1_OFF
+{ FLOAT, ZERO, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // B2_ON
+{ FLOAT, ZERO, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // B2_OFF
+
+{ ZERO, FLOAT, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // C1_ON
+{ ZERO, FLOAT, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // C1_OFF
+{ ZERO, FLOAT, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // C2_ON
+{ ZERO, FLOAT, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // C2_OFF
+
+{ FLOAT, FLOAT, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // D1_ON
+{ FLOAT, FLOAT, FLOAT, FLOAT, ZERO, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC }, // D1_OFF
+{ FLOAT, FLOAT, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, FLOAT, SYNC }, // D2_ON
+{ FLOAT, FLOAT, FLOAT, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, FLOAT, FLOAT, ZERO, SYNC } // D2_OFF
+};
+
+
+//********************************************************************//
+
+void start_timer()
+{
+ // timer 1: 2 ms
+ TCCR1A = 0; // prescaler 1:8, WGM = 4 (CTC)
+ TCCR1B = 1<<WGM12 | 1<<CS11; //
+ OCR1A = 159; // (1+159)*8 = 1280 -> 0.08ms @ 16 MHz -> 1*alpha
+// OCR1A = 207; // (1+207)*8 = 1664 -> 0.104ms @ 16 MHz -> 1*alpha
+ TCNT1 = 0; // reseting timer
+ TIMSK1 = 1<<OCIE1A; // enable Interrupt
+}
+
+void stop_timer() // stop the timer
+{
+ // timer1
+ TCCR1B = 0; // no clock source
+ TIMSK1 = 0; // disable timer interrupt
+}
+
+ISR(TIMER1_COMPA_vect)
+{
+ digitalRead(RF433_PIN);
+}
+
+//unsigned long wm_start_[3]={0,0,0};
+//bool wait_millis(unsigned long *start_time, unsigned long ms)
+//{
+// if (ms == 0)
+// return false;
+// else if (*start_time > 0)
+// {
+// if (millis() < *start_time || millis() > (*start_time) + ms)
+// {
+// *start_time = 0;
+// return false;
+// }
+// else
+// return true;
+// }
+// else
+// {
+// *start_time=millis();
+// return true;
+// }
+//}
+
+//********************************************************************//
+
+void setup()
+{
+ pinMode(RF433_PIN, INPUT); // set pin to input
+ digitalWrite(RF433_PIN, LOW); // turn of pullup resistors
+
+ Serial.begin(57600);
+ start_timer();
+}
+
+
+void loop()
+{
+}