aboutsummaryrefslogtreecommitdiff
path: root/Pd_firmware
diff options
context:
space:
mode:
authorHans-Christoph Steiner <eighthave@users.sourceforge.net>2007-04-13 03:55:16 +0000
committerHans-Christoph Steiner <eighthave@users.sourceforge.net>2007-04-13 03:55:16 +0000
commit851f439038566e73bf77baec4e50ade1e5c0ef15 (patch)
treefec48ddddcbc1808afaf802adbcd8fb337b98cdc /Pd_firmware
parent383c0fa52337b111260581c5892cac3a11e6d2d5 (diff)
sketched out EEPROM library support, but it doesn't work yet ; renamed some variables for clarity ; made digital pins set to OUTPUT by default so that you don't get lots of random data, unless you want it ;)
svn path=/trunk/externals/hardware/arduino/; revision=7558
Diffstat (limited to 'Pd_firmware')
-rw-r--r--Pd_firmware/Makefile11
-rw-r--r--Pd_firmware/Pd_firmware.pde172
2 files changed, 54 insertions, 129 deletions
diff --git a/Pd_firmware/Makefile b/Pd_firmware/Makefile
index d31c48a..82af842 100644
--- a/Pd_firmware/Makefile
+++ b/Pd_firmware/Makefile
@@ -43,16 +43,20 @@
# 7. Type "make upload", reset your Arduino board, and press enter to
# upload your program to the Arduino board.
#
-# $Id: Makefile,v 1.5 2007-03-05 04:34:32 eighthave Exp $
+# $Id: Makefile,v 1.6 2007-04-13 03:55:16 eighthave Exp $
-PORT = /dev/tty.usbserial-1*
+PORT = /dev/tty.usbserial-*
TARGET = Pd_firmware
ARDUINO = /Applications/arduino-0007
ARDUINO_SRC = $(ARDUINO)/lib/targets/arduino
-INCLUDE = -I$(ARDUINO_SRC) -I$(ARDUINO)/tools/avr/avr/include
+ARDUINO_LIB_SRC = $(ARDUINO)/lib/targets/libraries
+INCLUDE = -I$(ARDUINO_SRC) -I$(ARDUINO)/tools/avr/avr/include \
+ -I$(ARDUINO)/lib/targets/libraries/EEPROM \
+ -I$(ARDUINO)/lib/targets/libraries
SRC = $(ARDUINO_SRC)/pins_arduino.c $(ARDUINO_SRC)/wiring.c \
$(ARDUINO_SRC)/WInterrupts.c
CXXSRC = applet/$(TARGET).cpp $(ARDUINO_SRC)/HardwareSerial.cpp \
+ $(ARDUINO_LIB_SRC)/EEPROM/EEPROM.cpp \
$(ARDUINO_SRC)/WRandom.cpp
MCU = atmega8
F_CPU = 16000000
@@ -215,6 +219,7 @@ clean:
$(REMOVE) applet/$(TARGET).hex applet/$(TARGET).eep applet/$(TARGET).cof applet/$(TARGET).elf \
$(TARGET).map applet/$(TARGET).sym applet/$(TARGET).lss \
$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
+ find $(ARDUINO)/lib/ -name '*.o' -delete
depend:
if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
diff --git a/Pd_firmware/Pd_firmware.pde b/Pd_firmware/Pd_firmware.pde
index 6c196af..111d8e4 100644
--- a/Pd_firmware/Pd_firmware.pde
+++ b/Pd_firmware/Pd_firmware.pde
@@ -39,6 +39,8 @@
* @locations: STEIM, Amsterdam, Netherlands
* IDMI/Polytechnic University, Brookyn, NY, USA
* Electrolobby Ars Electronica, Linz, Austria
+ *
+ * See http://www.arduino.cc/playground/Interfacing/Firmata for docs
*/
/*
@@ -50,119 +52,9 @@
* TODO: use Program Control to load stored profiles from EEPROM
*/
-/* cvs version: $Id: Pd_firmware.pde,v 1.29 2007-03-08 05:37:22 eighthave Exp $ */
-
-/*==============================================================================
- * MESSAGE FORMATS
- *============================================================================*/
-
-/* -----------------------------------------------------------------------------
- * MAPPING DATA TO MIDI
- *
- * This protocol uses the MIDI message format, but does not use the whole
- * protocol. Most of the command mappings here will not be directly usable in
- * terms of MIDI controllers and synths. It should co-exist with MIDI without
- * trouble and can be parsed by standard MIDI interpreters. Just some of the
- * message data is used differently.
- *
- * MIDI format: http://www.harmony-central.com/MIDI/Doc/table1.html
- *
- * MIDI
- * type command channel first byte second byte
- * -----------------------------------------------------------------------------
- * analog I/O 0xE0 pin # LSB(bits 0-6) MSB(bits 7-13)
- * digital I/O 0x90 port base LSB(bits 0-6) MSB(bits 7-13)
- * report analog pin 0xC0 pin # disable/enable(0/1) - n/a -
- * report digital ports 0xD0 port base disable/enable(0/1) - n/a -
- *
- * digital pin mode(I/O) 0xF4 - n/a - pin # (0-63) pin state(0=in)
- * firmware version 0xF9 - n/a - minor version major version
- * system reset 0xFF - n/a - - n/a - - n/a -
- *
- */
-
-/* proposed extensions using SysEx
- *
- * type SysEx start command data bytes SysEx stop
- * -----------------------------------------------------------------------------
- * pulse I/O 0xF0 0xA0 five 7-bit chunks, LSB first 0xF7
- * shiftOut 0xF0 0xF5 dataPin; clockPin; 7-bit LSB; 7-bit MSB 0xF7
- */
-
-/* -----------------------------------------------------------------------------
- * DATA MESSAGE FORMAT */
+/* cvs version: $Id: Pd_firmware.pde,v 1.30 2007-04-13 03:55:16 eighthave Exp $ */
-/* two byte digital data format
- * ----------------------------
- * 0 digital data, 0x90-0x9F, (MIDI NoteOn, but different data usage)
- * 1 digital pins 0-6 bitmask
- * 2 digital pins 7-13 bitmask
- */
-
-/* analog 14-bit data format
- * -------------------------
- * 0 analog pin, 0xE0-0xEF, (MIDI Pitch Wheel)
- * 1 analog least significant 7 bits
- * 2 analog most significant 7 bits
- */
-
-/* version report format
- * Send a single byte 0xF9, Arduino will reply with:
- * -------------------------------------------------
- * 0 version report header (0xF9) (MIDI Undefined)
- * 1 minor version (0-127)
- * 2 major version (0-127)
- */
-
-/* pulseIn/Out (uses 32-bit value)
- * -------------------------------
- * 0 START_SYSEX (0xF0) (MIDI System Exclusive)
- * 1 pulseIn/Out (0xA0-0xAF)
- * 2 bits 0-6 (least significant byte)
- * 3 bits 7-13
- * 4 bits 14-20
- * 5 bits 21-27
- * 6 bits 28-34 (most significant byte)
- * 7 END_SYSEX (0xF7) (MIDI End of SysEx - EOX)
- */
-
-/* shiftIn/Out (uses 8-bit value)
- * ------------------------------
- * 0 START_SYSEX (0xF0)
- * 1 shiftOut (0xF5)
- * 2 dataPin (0-127)
- * 3 clockPin (0-127)
- * 4 bits 0-6 (least significant byte)
- * 5 bit 7 (most significant bit)
- * 6 END_SYSEX (0xF7)
- */
-
-/* -----------------------------------------------------------------------------
- * CONTROL MESSAGES */
-
-/* set digital pin mode
- * --------------------
- * 1 set digital pin mode (0xF4) (MIDI Undefined)
- * 2 pin number (0-127)
- * 3 state (INPUT/OUTPUT, 0/1)
- */
-
-/* toggle analogIn reporting by pin
- * --------------------------------
- * 0 toggle digitalIn reporting (0xC0-0xCF) (MIDI Program Change)
- * 1 disable(0)/enable(non-zero)
- */
-
-/* toggle digitalIn reporting by port pairs
- * ----------------------------------------
- * 0 toggle digitalIn reporting (0xD0-0xDF) (MIDI Aftertouch)
- * 1 disable(0)/enable(non-zero)
- */
-
-/* request version report
- * ----------------------
- * 0 request version report (0xF9) (MIDI Undefined)
- */
+#include <EEPROM.h>
/*==============================================================================
* MACROS
@@ -175,7 +67,7 @@
#define FIRMATA_MAJOR_VERSION 1 // for non-compatible changes
#define FIRMATA_MINOR_VERSION 0 // for backwards compatible changes
-/* total number of pins currently supported */
+// total number of pins currently supported
#define TOTAL_ANALOG_PINS 6
#define TOTAL_DIGITAL_PINS 14
@@ -188,7 +80,7 @@
#define PD 4 // digital input, pins 0-7
#define MAX_DATA_BYTES 2 // max number of data bytes in non-SysEx messages
-/* message command bytes */
+// message command bytes
#define DIGITAL_MESSAGE 0x90 // send data for a digital pin
#define ANALOG_MESSAGE 0xE0 // send data for an analog pin (or PWM)
//#define PULSE_MESSAGE 0xA0 // proposed pulseIn/Out message (SysEx)
@@ -201,6 +93,15 @@
#define REPORT_VERSION 0xF9 // report firmware version
#define SYSTEM_RESET 0xFF // reset from MIDI
+// these are used for EEPROM reading and writing
+#define ANALOGINPUTSTOREPORT_LOW_BYTE 0x1F0 // analogInputsToReport is an int
+#define ANALOGINPUTSTOREPORT_HIGH_BYTE 0x1F1 // analogInputsToReport is an int
+#define REPORTDIGITALINPUTS_BYTE 0x1F2 //
+#define DIGITALPINSTATUS_LOW_BYTE 0x1F3 // digitalPinStatus is an int
+#define DIGITALPINSTATUS_HIGH_BYTE 0x1F4 // digitalPinStatus is an int
+#define PWMSTATUS_LOW_BYTE 0x1F5 // pwmStatus is an int
+#define PWMSTATUS_HIGH_BYTE 0x1F6 // pwmStatus is an int
+
/*==============================================================================
* GLOBAL VARIABLES
*============================================================================*/
@@ -211,14 +112,14 @@ byte executeMultiByteCommand = 0; // execute this after getting multi-byte data
byte multiByteChannel = 0; // channel data for multiByteCommands
byte storedInputData[MAX_DATA_BYTES] = {0,0}; // multi-byte data
/* digital pins */
-boolean digitalInputsEnabled = false; // output digital inputs or not
+boolean reportDigitalInputs = false; // output digital inputs or not
int digitalInputs;
int previousDigitalInputs; // previous output to test for change
-int digitalPinStatus = 3; // bitwise array to store pin status, ignore RxTx pins
+unsigned int digitalPinStatus = 65535; // store pin status, default OUTPUT
/* PWM/analog outputs */
int pwmStatus = 0; // bitwise array to store PWM status
/* analog inputs */
-unsigned int analogPinsToReport = 0; // bitwise array to store pin reporting
+int analogInputsToReport = 0; // bitwise array to store pin reporting
int analogPin = 0; // counter for reading analog pins
int analogData; // storage variable for data from analogRead()
/* timer variables */
@@ -229,7 +130,7 @@ unsigned long nextExecuteTime; // for comparison with timer0_overflow_count
* FUNCTIONS
*============================================================================*/
/* -----------------------------------------------------------------------------
- * output the version message to the serial port */
+ * output the protocol version message to the serial port */
void printVersion() {
Serial.print(REPORT_VERSION, BYTE);
Serial.print(FIRMATA_MINOR_VERSION, BYTE);
@@ -257,7 +158,7 @@ void outputDigitalBytes(byte pin0_6, byte pin7_13) {
* 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) {
- if(digitalInputsEnabled) {
+ if(reportDigitalInputs) {
previousDigitalInputs = digitalInputs;
digitalInputs = _SFR_IO8(port_to_input[PB]) << 8; // get pins 8-13
digitalInputs += _SFR_IO8(port_to_input[PD]); // get pins 0-7
@@ -302,10 +203,10 @@ void setPinMode(byte pin, byte mode) {
*/
void setAnalogPinReporting(byte pin, byte state) {
if(state == 0) {
- analogPinsToReport = analogPinsToReport &~ (1 << pin);
+ analogInputsToReport = analogInputsToReport &~ (1 << pin);
}
else { // everything but 0 enables reporting of that pin
- analogPinsToReport = analogPinsToReport | (1 << pin);
+ analogInputsToReport = analogInputsToReport | (1 << pin);
}
// TODO: save status to EEPROM here, if changed
}
@@ -333,7 +234,7 @@ void processInput(int inputData) {
case SET_DIGITAL_PIN_MODE:
setPinMode(storedInputData[1], storedInputData[0]); // (pin#, mode)
if(storedInputData[0] == INPUT)
- digitalInputsEnabled = true; // enable reporting of digital inputs
+ reportDigitalInputs = true; // enable reporting of digital inputs
break;
case REPORT_ANALOG_PIN:
setAnalogPinReporting(multiByteChannel,storedInputData[0]);
@@ -341,9 +242,9 @@ void processInput(int inputData) {
case REPORT_DIGITAL_PORTS:
// TODO: implement MIDI channel as port base for more than 16 digital inputs
if(storedInputData[0] == 0)
- digitalInputsEnabled = false;
+ reportDigitalInputs = false;
else
- digitalInputsEnabled = true;
+ reportDigitalInputs = true;
break;
}
executeMultiByteCommand = 0;
@@ -388,6 +289,25 @@ void checkForSerialReceive() {
processInput(Serial.read());
}
+/* -----------------------------------------------------------------------------
+ * these functions are for loading and saving the state of the digital pins and
+ * pin reporting so that the Arduino will start up again in the same state. The
+ * EEPROM is supposed to have a life of at least 100,000 writes.
+ */
+void loadSettings() {
+ //EEPROM.read();
+}
+
+void saveSettings() {
+ EEPROM.write(ANALOGINPUTSTOREPORT_LOW_BYTE, analogInputsToReport & 0xFF);
+ EEPROM.write(ANALOGINPUTSTOREPORT_HIGH_BYTE, analogInputsToReport >> 8);
+ EEPROM.write(REPORTDIGITALINPUTS_BYTE, reportDigitalInputs & 0xFF);
+ EEPROM.write(DIGITALPINSTATUS_LOW_BYTE, digitalPinStatus & 0xFF);
+ EEPROM.write(DIGITALPINSTATUS_HIGH_BYTE, digitalPinStatus >> 8);
+ EEPROM.write(PWMSTATUS_LOW_BYTE, pwmStatus & 0xFF);
+ EEPROM.write(PWMSTATUS_HIGH_BYTE, pwmStatus >> 8);
+}
+
// =============================================================================
// used for flashing the pin for the version number
void pin13strobe(int count, int onInterval, int offInterval) {
@@ -422,7 +342,7 @@ void setup() {
pin13strobe(2,1,4); // separator, a quick burst
for(i=0; i<TOTAL_DIGITAL_PINS; ++i) {
- setPinMode(i,INPUT);
+ setPinMode(i,OUTPUT);
}
// TODO: load state from EEPROM here
@@ -452,7 +372,7 @@ void loop() {
/* ANALOGREAD - right after the event character, do all of the
* analogReads(). These only need to be done every 4ms. */
for(analogPin=0;analogPin<TOTAL_ANALOG_PINS;analogPin++) {
- if( analogPinsToReport & (1 << analogPin) ) {
+ if( analogInputsToReport & (1 << analogPin) ) {
analogData = analogRead(analogPin);
Serial.print(ANALOG_MESSAGE + analogPin, BYTE);
// These two bytes converted back into the 10-bit value on host