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arduino-0022-linux-x64/libraries/Firmata/examples/StandardFirmata/LICENSE.txt Normal file
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GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
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arduino-0022-linux-x64/libraries/Firmata/examples/StandardFirmata/Makefile Normal file
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# Arduino makefile
#
# This makefile allows you to build sketches from the command line
# without the Arduino environment (or Java).
#
# The Arduino environment does preliminary processing on a sketch before
# compiling it. If you're using this makefile instead, you'll need to do
# a few things differently:
#
# - Give your program's file a .cpp extension (e.g. foo.cpp).
#
# - Put this line at top of your code: #include <WProgram.h>
#
# - Write prototypes for all your functions (or define them before you
# call them). A prototype declares the types of parameters a
# function will take and what type of value it will return. This
# means that you can have a call to a function before the definition
# of the function. A function prototype looks like the first line of
# the function, with a semi-colon at the end. For example:
# int digitalRead(int pin);
#
# Instructions for using the makefile:
#
# 1. Copy this file into the folder with your sketch.
#
# 2. Below, modify the line containing "TARGET" to refer to the name of
# of your program's file without an extension (e.g. TARGET = foo).
#
# 3. Modify the line containg "ARDUINO" to point the directory that
# contains the Arduino core (for normal Arduino installations, this
# is the hardware/cores/arduino sub-directory).
#
# 4. Modify the line containing "PORT" to refer to the filename
# representing the USB or serial connection to your Arduino board
# (e.g. PORT = /dev/tty.USB0). If the exact name of this file
# changes, you can use * as a wildcard (e.g. PORT = /dev/tty.USB*).
#
# 5. At the command line, change to the directory containing your
# program's file and the makefile.
#
# 6. Type "make" and press enter to compile/verify your program.
#
# 7. Type "make upload", reset your Arduino board, and press enter to
# upload your program to the Arduino board.
#
# $Id: Makefile,v 1.7 2007/04/13 05:28:23 eighthave Exp $
PORT = /dev/tty.usbserial-*
TARGET := $(shell pwd | sed 's|.*/\(.*\)|\1|')
ARDUINO = /Applications/arduino
ARDUINO_SRC = $(ARDUINO)/hardware/cores/arduino
ARDUINO_LIB_SRC = $(ARDUINO)/hardware/libraries
ARDUINO_TOOLS = $(ARDUINO)/hardware/tools
INCLUDE = -I$(ARDUINO_SRC) -I$(ARDUINO)/hardware/tools/avr/avr/include \
-I$(ARDUINO_LIB_SRC)/EEPROM \
-I$(ARDUINO_LIB_SRC)/Firmata \
-I$(ARDUINO_LIB_SRC)/Matrix \
-I$(ARDUINO_LIB_SRC)/Servo \
-I$(ARDUINO_LIB_SRC)/Wire \
-I$(ARDUINO_LIB_SRC)
SRC = $(wildcard $(ARDUINO_SRC)/*.c)
CXXSRC = applet/$(TARGET).cpp $(ARDUINO_SRC)/HardwareSerial.cpp \
$(ARDUINO_LIB_SRC)/EEPROM/EEPROM.cpp \
$(ARDUINO_LIB_SRC)/Firmata/Firmata.cpp \
$(ARDUINO_LIB_SRC)/Servo/Servo.cpp \
$(ARDUINO_SRC)/Print.cpp \
$(ARDUINO_SRC)/WMath.cpp
HEADERS = $(wildcard $(ARDUINO_SRC)/*.h) $(wildcard $(ARDUINO_LIB_SRC)/*/*.h)
MCU = atmega168
#MCU = atmega8
F_CPU = 16000000
FORMAT = ihex
UPLOAD_RATE = 19200
# Name of this Makefile (used for "make depend").
MAKEFILE = Makefile
# Debugging format.
# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
DEBUG = stabs
OPT = s
# Place -D or -U options here
CDEFS = -DF_CPU=$(F_CPU)
CXXDEFS = -DF_CPU=$(F_CPU)
# Compiler flag to set the C Standard level.
# c89 - "ANSI" C
# gnu89 - c89 plus GCC extensions
# c99 - ISO C99 standard (not yet fully implemented)
# gnu99 - c99 plus GCC extensions
CSTANDARD = -std=gnu99
CDEBUG = -g$(DEBUG)
CWARN = -Wall -Wstrict-prototypes
CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
CFLAGS = $(CDEBUG) $(CDEFS) $(INCLUDE) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA)
CXXFLAGS = $(CDEFS) $(INCLUDE) -O$(OPT)
#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
LDFLAGS =
# Programming support using avrdude. Settings and variables.
AVRDUDE_PROGRAMMER = stk500
AVRDUDE_PORT = $(PORT)
AVRDUDE_WRITE_FLASH = -U flash:w:applet/$(TARGET).hex
AVRDUDE_FLAGS = -F -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
-b $(UPLOAD_RATE) -q -V
# Program settings
ARDUINO_AVR_BIN = $(ARDUINO_TOOLS)/avr/bin
CC = $(ARDUINO_AVR_BIN)/avr-gcc
CXX = $(ARDUINO_AVR_BIN)/avr-g++
OBJCOPY = $(ARDUINO_AVR_BIN)/avr-objcopy
OBJDUMP = $(ARDUINO_AVR_BIN)/avr-objdump
SIZE = $(ARDUINO_AVR_BIN)/avr-size
NM = $(ARDUINO_AVR_BIN)/avr-nm
#AVRDUDE = $(ARDUINO_AVR_BIN)/avrdude
AVRDUDE = 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 $(ASFLAGS)
# Default target.
all: build
build: applet/$(TARGET).hex
eep: applet/$(TARGET).eep
lss: applet/$(TARGET).lss
sym: applet/$(TARGET).sym
# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
COFFCONVERT=$(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 applet/$(TARGET).cof
extcoff: applet/$(TARGET).elf
$(COFFCONVERT) -O coff-ext-avr applet/$(TARGET).elf applet/$(TARGET).cof
.SUFFIXES: .elf .hex .eep .lss .sym .pde
.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 $< > $@
# Compile: create object files from C++ source files.
.cpp.o: $(HEADERS)
$(CXX) -c $(ALL_CXXFLAGS) $< -o $@
# Compile: create object files from C source files.
.c.o: $(HEADERS)
$(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 $@
applet/$(TARGET).cpp: $(TARGET).pde
test -d applet || mkdir applet
echo '#include "WProgram.h"' > applet/$(TARGET).cpp
echo '#include "avr/interrupt.h"' >> applet/$(TARGET).cpp
sed -n 's|^\(void .*)\).*|\1;|p' $(TARGET).pde | grep -v 'setup()' | \
grep -v 'loop()' >> applet/$(TARGET).cpp
cat $(TARGET).pde >> applet/$(TARGET).cpp
cat $(ARDUINO_SRC)/main.cxx >> applet/$(TARGET).cpp
# Link: create ELF output file from object files.
applet/$(TARGET).elf: applet/$(TARGET).cpp $(OBJ)
$(CC) $(ALL_CFLAGS) $(OBJ) -lm --output $@ $(LDFLAGS)
# $(CC) $(ALL_CFLAGS) $(OBJ) $(ARDUINO_TOOLS)/avr/avr/lib/avr5/crtm168.o --output $@ $(LDFLAGS)
pd_close_serial:
echo 'close;' | /Applications/Pd-extended.app/Contents/Resources/bin/pdsend 34567 || true
# Program the device.
upload: applet/$(TARGET).hex
$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
pd_test: build pd_close_serial upload
# Target: clean project.
clean:
$(REMOVE) -- applet/$(TARGET).hex applet/$(TARGET).eep \
applet/$(TARGET).cof applet/$(TARGET).elf $(TARGET).map \
applet/$(TARGET).sym applet/$(TARGET).lss applet/$(TARGET).cpp \
$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
rmdir -- applet
depend:
if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
then \
sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
$(MAKEFILE).$$$$ && \
$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
fi
echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
>> $(MAKEFILE); \
$(CC) -M -mmcu=$(MCU) $(CDEFS) $(INCLUDE) $(SRC) $(ASRC) >> $(MAKEFILE)
.PHONY: all build eep lss sym coff extcoff clean depend pd_close_serial pd_test
# for emacs
etags:
make etags_`uname -s`
etags *.pde \
$(ARDUINO_SRC)/*.[ch] \
$(ARDUINO_SRC)/*.cpp \
$(ARDUINO_LIB_SRC)/*/*.[ch] \
$(ARDUINO_LIB_SRC)/*/*.cpp \
$(ARDUINO)/hardware/tools/avr/avr/include/avr/*.[ch] \
$(ARDUINO)/hardware/tools/avr/avr/include/*.[ch]
etags_Darwin:
# etags -a
etags_Linux:
# etags -a /usr/include/*.h linux/input.h /usr/include/sys/*.h
etags_MINGW:
# etags -a /usr/include/*.h /usr/include/sys/*.h
path:
echo $(PATH)
echo $$PATH

398
arduino-0022-linux-x64/libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde Normal file
View file

@ -0,0 +1,398 @@
/*
Copyright (C) 2006-2008 Hans-Christoph Steiner. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
See file LICENSE.txt for further informations on licensing terms.
formatted using the GNU C formatting and indenting
*/
/*
* TODO: use Program Control to load stored profiles from EEPROM
*/
#include <Servo.h>
#include <Firmata.h>
/*==============================================================================
* GLOBAL VARIABLES
*============================================================================*/
/* analog inputs */
int analogInputsToReport = 0; // bitwise array to store pin reporting
/* digital input ports */
byte reportPINs[TOTAL_PORTS]; // 1 = report this port, 0 = silence
byte previousPINs[TOTAL_PORTS]; // previous 8 bits sent
/* pins configuration */
byte pinConfig[TOTAL_PINS]; // configuration of every pin
byte portConfigInputs[TOTAL_PORTS]; // each bit: 1 = pin in INPUT, 0 = anything else
int pinState[TOTAL_PINS]; // any value that has been written
/* timer variables */
unsigned long currentMillis; // store the current value from millis()
unsigned long previousMillis; // for comparison with currentMillis
int samplingInterval = 19; // how often to run the main loop (in ms)
Servo servos[MAX_SERVOS];
/*==============================================================================
* FUNCTIONS
*============================================================================*/
void outputPort(byte portNumber, byte portValue, byte forceSend)
{
// pins not configured as INPUT are cleared to zeros
portValue = portValue & portConfigInputs[portNumber];
// only send if the value is different than previously sent
if(forceSend || previousPINs[portNumber] != portValue) {
Firmata.sendDigitalPort(portNumber, portValue);
previousPINs[portNumber] = portValue;
}
}
/* -----------------------------------------------------------------------------
* check all the active digital inputs for change of state, then add any events
* to the Serial output queue using Serial.print() */
void checkDigitalInputs(void)
{
/* Using non-looping code allows constants to be given to readPort().
* The compiler will apply substantial optimizations if the inputs
* to readPort() are compile-time constants. */
if (TOTAL_PORTS > 0 && reportPINs[0]) outputPort(0, readPort(0, portConfigInputs[0]), false);
if (TOTAL_PORTS > 1 && reportPINs[1]) outputPort(1, readPort(1, portConfigInputs[1]), false);
if (TOTAL_PORTS > 2 && reportPINs[2]) outputPort(2, readPort(2, portConfigInputs[2]), false);
if (TOTAL_PORTS > 3 && reportPINs[3]) outputPort(3, readPort(3, portConfigInputs[3]), false);
if (TOTAL_PORTS > 4 && reportPINs[4]) outputPort(4, readPort(4, portConfigInputs[4]), false);
if (TOTAL_PORTS > 5 && reportPINs[5]) outputPort(5, readPort(5, portConfigInputs[5]), false);
if (TOTAL_PORTS > 6 && reportPINs[6]) outputPort(6, readPort(6, portConfigInputs[6]), false);
if (TOTAL_PORTS > 7 && reportPINs[7]) outputPort(7, readPort(7, portConfigInputs[7]), false);
if (TOTAL_PORTS > 8 && reportPINs[8]) outputPort(8, readPort(8, portConfigInputs[8]), false);
if (TOTAL_PORTS > 9 && reportPINs[9]) outputPort(9, readPort(9, portConfigInputs[9]), false);
if (TOTAL_PORTS > 10 && reportPINs[10]) outputPort(10, readPort(10, portConfigInputs[10]), false);
if (TOTAL_PORTS > 11 && reportPINs[11]) outputPort(11, readPort(11, portConfigInputs[11]), false);
if (TOTAL_PORTS > 12 && reportPINs[12]) outputPort(12, readPort(12, portConfigInputs[12]), false);
if (TOTAL_PORTS > 13 && reportPINs[13]) outputPort(13, readPort(13, portConfigInputs[13]), false);
if (TOTAL_PORTS > 14 && reportPINs[14]) outputPort(14, readPort(14, portConfigInputs[14]), false);
if (TOTAL_PORTS > 15 && reportPINs[15]) outputPort(15, readPort(15, portConfigInputs[15]), false);
}
// -----------------------------------------------------------------------------
/* sets the pin mode to the correct state and sets the relevant bits in the
* two bit-arrays that track Digital I/O and PWM status
*/
void setPinModeCallback(byte pin, int mode)
{
if (IS_PIN_SERVO(pin) && mode != SERVO && servos[PIN_TO_SERVO(pin)].attached()) {
servos[PIN_TO_SERVO(pin)].detach();
}
if (IS_PIN_ANALOG(pin)) {
reportAnalogCallback(PIN_TO_ANALOG(pin), mode == ANALOG ? 1 : 0); // turn on/off reporting
}
if (IS_PIN_DIGITAL(pin)) {
if (mode == INPUT) {
portConfigInputs[pin/8] |= (1 << (pin & 7));
} else {
portConfigInputs[pin/8] &= ~(1 << (pin & 7));
}
}
pinState[pin] = 0;
switch(mode) {
case ANALOG:
if (IS_PIN_ANALOG(pin)) {
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups
}
pinConfig[pin] = ANALOG;
}
break;
case INPUT:
if (IS_PIN_DIGITAL(pin)) {
pinMode(PIN_TO_DIGITAL(pin), INPUT); // disable output driver
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable internal pull-ups
pinConfig[pin] = INPUT;
}
break;
case OUTPUT:
if (IS_PIN_DIGITAL(pin)) {
digitalWrite(PIN_TO_DIGITAL(pin), LOW); // disable PWM
pinMode(PIN_TO_DIGITAL(pin), OUTPUT);
pinConfig[pin] = OUTPUT;
}
break;
case PWM:
if (IS_PIN_PWM(pin)) {
pinMode(PIN_TO_PWM(pin), OUTPUT);
analogWrite(PIN_TO_PWM(pin), 0);
pinConfig[pin] = PWM;
}
break;
case SERVO:
if (IS_PIN_SERVO(pin)) {
pinConfig[pin] = SERVO;
if (!servos[PIN_TO_SERVO(pin)].attached()) {
servos[PIN_TO_SERVO(pin)].attach(PIN_TO_DIGITAL(pin));
} else {
Firmata.sendString("Servo only on pins from 2 to 13");
}
}
break;
case I2C:
pinConfig[pin] = mode;
Firmata.sendString("I2C mode not yet supported");
break;
default:
Firmata.sendString("Unknown pin mode"); // TODO: put error msgs in EEPROM
}
// TODO: save status to EEPROM here, if changed
}
void analogWriteCallback(byte pin, int value)
{
if (pin < TOTAL_PINS) {
switch(pinConfig[pin]) {
case SERVO:
if (IS_PIN_SERVO(pin))
servos[PIN_TO_SERVO(pin)].write(value);
pinState[pin] = value;
break;
case PWM:
if (IS_PIN_PWM(pin))
analogWrite(PIN_TO_PWM(pin), value);
pinState[pin] = value;
break;
}
}
}
void digitalWriteCallback(byte port, int value)
{
byte pin, lastPin, mask=1, pinWriteMask=0;
if (port < TOTAL_PORTS) {
// create a mask of the pins on this port that are writable.
lastPin = port*8+8;
if (lastPin > TOTAL_PINS) lastPin = TOTAL_PINS;
for (pin=port*8; pin < lastPin; pin++) {
// do not disturb non-digital pins (eg, Rx & Tx)
if (IS_PIN_DIGITAL(pin)) {
// only write to OUTPUT and INPUT (enables pullup)
// do not touch pins in PWM, ANALOG, SERVO or other modes
if (pinConfig[pin] == OUTPUT || pinConfig[pin] == INPUT) {
pinWriteMask |= mask;
pinState[pin] = ((byte)value & mask) ? 1 : 0;
}
}
mask = mask << 1;
}
writePort(port, (byte)value, pinWriteMask);
}
}
// -----------------------------------------------------------------------------
/* sets bits in a bit array (int) to toggle the reporting of the analogIns
*/
//void FirmataClass::setAnalogPinReporting(byte pin, byte state) {
//}
void reportAnalogCallback(byte analogPin, int value)
{
if (analogPin < TOTAL_ANALOG_PINS) {
if(value == 0) {
analogInputsToReport = analogInputsToReport &~ (1 << analogPin);
} else {
analogInputsToReport = analogInputsToReport | (1 << analogPin);
}
}
// TODO: save status to EEPROM here, if changed
}
void reportDigitalCallback(byte port, int value)
{
if (port < TOTAL_PORTS) {
reportPINs[port] = (byte)value;
}
// do not disable analog reporting on these 8 pins, to allow some
// pins used for digital, others analog. Instead, allow both types
// of reporting to be enabled, but check if the pin is configured
// as analog when sampling the analog inputs. Likewise, while
// scanning digital pins, portConfigInputs will mask off values from any
// pins configured as analog
}
/*==============================================================================
* SYSEX-BASED commands
*============================================================================*/
void sysexCallback(byte command, byte argc, byte *argv)
{
switch(command) {
case SERVO_CONFIG:
if(argc > 4) {
// these vars are here for clarity, they'll optimized away by the compiler
byte pin = argv[0];
int minPulse = argv[1] + (argv[2] << 7);
int maxPulse = argv[3] + (argv[4] << 7);
if (IS_PIN_SERVO(pin)) {
// servos are pins from 2 to 13, so offset for array
if (servos[PIN_TO_SERVO(pin)].attached())
servos[PIN_TO_SERVO(pin)].detach();
servos[PIN_TO_SERVO(pin)].attach(PIN_TO_DIGITAL(pin), minPulse, maxPulse);
setPinModeCallback(pin, SERVO);
}
}
break;
case SAMPLING_INTERVAL:
if (argc > 1)
samplingInterval = argv[0] + (argv[1] << 7);
else
Firmata.sendString("Not enough data");
break;
case EXTENDED_ANALOG:
if (argc > 1) {
int val = argv[1];
if (argc > 2) val |= (argv[2] << 7);
if (argc > 3) val |= (argv[3] << 14);
analogWriteCallback(argv[0], val);
}
break;
case CAPABILITY_QUERY:
Serial.write(START_SYSEX);
Serial.write(CAPABILITY_RESPONSE);
for (byte pin=0; pin < TOTAL_PINS; pin++) {
if (IS_PIN_DIGITAL(pin)) {
Serial.write((byte)INPUT);
Serial.write(1);
Serial.write((byte)OUTPUT);
Serial.write(1);
}
if (IS_PIN_ANALOG(pin)) {
Serial.write(ANALOG);
Serial.write(10);
}
if (IS_PIN_PWM(pin)) {
Serial.write(PWM);
Serial.write(8);
}
if (IS_PIN_SERVO(pin)) {
Serial.write(SERVO);
Serial.write(14);
}
Serial.write(127);
}
Serial.write(END_SYSEX);
break;
case PIN_STATE_QUERY:
if (argc > 0) {
byte pin=argv[0];
Serial.write(START_SYSEX);
Serial.write(PIN_STATE_RESPONSE);
Serial.write(pin);
if (pin < TOTAL_PINS) {
Serial.write((byte)pinConfig[pin]);
Serial.write((byte)pinState[pin] & 0x7F);
if (pinState[pin] & 0xFF80) Serial.write((byte)(pinState[pin] >> 7) & 0x7F);
if (pinState[pin] & 0xC000) Serial.write((byte)(pinState[pin] >> 14) & 0x7F);
}
Serial.write(END_SYSEX);
}
break;
case ANALOG_MAPPING_QUERY:
Serial.write(START_SYSEX);
Serial.write(ANALOG_MAPPING_RESPONSE);
for (byte pin=0; pin < TOTAL_PINS; pin++) {
Serial.write(IS_PIN_ANALOG(pin) ? PIN_TO_ANALOG(pin) : 127);
}
Serial.write(END_SYSEX);
break;
}
}
/*==============================================================================
* SETUP()
*============================================================================*/
void setup()
{
byte i;
Firmata.setFirmwareVersion(2, 2);
Firmata.attach(ANALOG_MESSAGE, analogWriteCallback);
Firmata.attach(DIGITAL_MESSAGE, digitalWriteCallback);
Firmata.attach(REPORT_ANALOG, reportAnalogCallback);
Firmata.attach(REPORT_DIGITAL, reportDigitalCallback);
Firmata.attach(SET_PIN_MODE, setPinModeCallback);
Firmata.attach(START_SYSEX, sysexCallback);
// TODO: load state from EEPROM here
/* these are initialized to zero by the compiler startup code
for (i=0; i < TOTAL_PORTS; i++) {
reportPINs[i] = false;
portConfigInputs[i] = 0;
previousPINs[i] = 0;
}
*/
for (i=0; i < TOTAL_PINS; i++) {
if (IS_PIN_ANALOG(i)) {
// turns off pullup, configures everything
setPinModeCallback(i, ANALOG);
} else {
// sets the output to 0, configures portConfigInputs
setPinModeCallback(i, OUTPUT);
}
}
// by defult, do not report any analog inputs
analogInputsToReport = 0;
Firmata.begin(57600);
/* send digital inputs to set the initial state on the host computer,
* since once in the loop(), this firmware will only send on change */
for (i=0; i < TOTAL_PORTS; i++) {
outputPort(i, readPort(i, portConfigInputs[i]), true);
}
}
/*==============================================================================
* LOOP()
*============================================================================*/
void loop()
{
byte pin, analogPin;
/* DIGITALREAD - as fast as possible, check for changes and output them to the
* FTDI buffer using Serial.print() */
checkDigitalInputs();
/* SERIALREAD - processing incoming messagse as soon as possible, while still
* checking digital inputs. */
while(Firmata.available())
Firmata.processInput();
/* SEND FTDI WRITE BUFFER - make sure that the FTDI buffer doesn't go over
* 60 bytes. use a timer to sending an event character every 4 ms to
* trigger the buffer to dump. */
currentMillis = millis();
if (currentMillis - previousMillis > samplingInterval) {
previousMillis += samplingInterval;
/* ANALOGREAD - do all analogReads() at the configured sampling interval */
for(pin=0; pin<TOTAL_PINS; pin++) {
if (IS_PIN_ANALOG(pin) && pinConfig[pin] == ANALOG) {
analogPin = PIN_TO_ANALOG(pin);
if (analogInputsToReport & (1 << analogPin)) {
Firmata.sendAnalog(analogPin, analogRead(analogPin));
}
}
}
}
}