Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform

2 files changed, 697 insertions, 0 deletions

diff --git a/libraries/Firmata/examples/OldStandardFirmata/LICENSE.txt b/libraries/Firmata/examples/OldStandardFirmata/LICENSE.txt
new file mode 100644
index 0000000..77cec6d
--- /dev/null
+++ b/libraries/Firmata/examples/OldStandardFirmata/LICENSE.txt
@@ -0,0 +1,458 @@
+
+		  GNU LESSER GENERAL PUBLIC LICENSE
+		       Version 2.1, February 1999
+
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diff --git a/libraries/Firmata/examples/OldStandardFirmata/OldStandardFirmata.ino b/libraries/Firmata/examples/OldStandardFirmata/OldStandardFirmata.ino
new file mode 100644
index 0000000..d306c70
--- /dev/null
+++ b/libraries/Firmata/examples/OldStandardFirmata/OldStandardFirmata.ino
@@ -0,0 +1,239 @@
+/*
+ * Firmata is a generic protocol for communicating with microcontrollers
+ * from software on a host computer. It is intended to work with
+ * any host computer software package.
+ *
+ * To download a host software package, please clink on the following link
+ * to open the download page in your default browser.
+ *
+ * http://firmata.org/wiki/Download
+ */
+
+/*
+  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.
+ */
+
+/* 
+ * This is an old version of StandardFirmata (v2.0).  It is kept here because
+ * its the last version that works on an ATMEGA8 chip.  Also, it can be used
+ * for host software that has not been updated to a newer version of the
+ * protocol.  It also uses the old baud rate of 115200 rather than 57600.
+ */
+
+#include <EEPROM.h>
+#include <Firmata.h>
+
+/*==============================================================================
+ * GLOBAL VARIABLES
+ *============================================================================*/
+
+/* analog inputs */
+int analogInputsToReport = 0; // bitwise array to store pin reporting
+int analogPin = 0; // counter for reading analog pins
+
+/* digital pins */
+byte reportPINs[TOTAL_PORTS];   // PIN == input port
+byte previousPINs[TOTAL_PORTS]; // PIN == input port
+byte pinStatus[TOTAL_PINS]; // store pin status, default OUTPUT
+byte portStatus[TOTAL_PORTS];
+
+/* timer variables */
+unsigned long currentMillis;     // store the current value from millis()
+unsigned long previousMillis;    // for comparison with currentMillis
+
+
+/*==============================================================================
+ * FUNCTIONS                                                                
+ *============================================================================*/
+
+void outputPort(byte portNumber, byte portValue)
+{
+  portValue = portValue &~ portStatus[portNumber];
+  if(previousPINs[portNumber] != portValue) {
+        Firmata.sendDigitalPort(portNumber, portValue); 
+        previousPINs[portNumber] = portValue;
+        Firmata.sendDigitalPort(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) 
+{
+    byte i, tmp;
+    for(i=0; i < TOTAL_PORTS; i++) {
+        if(reportPINs[i]) {
+            switch(i) {
+            case 0: outputPort(0, PIND &~ B00000011); break; // ignore Rx/Tx 0/1
+            case 1: outputPort(1, PINB); break;
+            case 2: outputPort(2, PINC); break;
+            }
+        }
+    }
+}
+
+// -----------------------------------------------------------------------------
+/* 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) {
+    byte port = 0;
+    byte offset = 0;
+
+    if (pin < 8) {
+      port = 0;
+      offset = 0;
+    } else if (pin < 14) {
+      port = 1;
+      offset = 8;     
+    } else if (pin < 22) {
+      port = 2;
+      offset = 14;
+    }
+
+    if(pin > 1) { // ignore RxTx (pins 0 and 1)
+        pinStatus[pin] = mode;
+        switch(mode) {
+        case INPUT:
+            pinMode(pin, INPUT);
+            portStatus[port] = portStatus[port] &~ (1 << (pin - offset));
+            break;
+        case OUTPUT:
+            digitalWrite(pin, LOW); // disable PWM
+        case PWM:
+            pinMode(pin, OUTPUT);
+            portStatus[port] = portStatus[port] | (1 << (pin - offset));
+            break;
+        //case ANALOG: // TODO figure this out
+        default:
+            Firmata.sendString("");
+        }
+        // TODO: save status to EEPROM here, if changed
+    }
+}
+
+void analogWriteCallback(byte pin, int value)
+{
+    setPinModeCallback(pin,PWM);
+    analogWrite(pin, value);
+}
+
+void digitalWriteCallback(byte port, int value)
+{
+    switch(port) {
+    case 0: // pins 2-7 (don't change Rx/Tx, pins 0 and 1)
+        // 0xFF03 == B1111111100000011    0x03 == B00000011
+        PORTD = (value &~ 0xFF03) | (PORTD & 0x03);
+        break;
+    case 1: // pins 8-13 (14,15 are disabled for the crystal) 
+        PORTB = (byte)value;
+        break;
+    case 2: // analog pins used as digital
+        PORTC = (byte)value;
+        break;
+    }
+}
+
+// -----------------------------------------------------------------------------
+/* sets bits in a bit array (int) to toggle the reporting of the analogIns
+ */
+//void FirmataClass::setAnalogPinReporting(byte pin, byte state) {
+//}
+void reportAnalogCallback(byte pin, int value)
+{
+    if(value == 0) {
+        analogInputsToReport = analogInputsToReport &~ (1 << pin);
+    }
+    else { // everything but 0 enables reporting of that pin
+        analogInputsToReport = analogInputsToReport | (1 << pin);
+    }
+    // TODO: save status to EEPROM here, if changed
+}
+
+void reportDigitalCallback(byte port, int value)
+{
+    reportPINs[port] = (byte)value;
+    if(port == 2) // turn off analog reporting when used as digital
+        analogInputsToReport = 0;
+}
+
+/*==============================================================================
+ * SETUP()
+ *============================================================================*/
+void setup() 
+{
+    byte i;
+
+    Firmata.setFirmwareVersion(2, 0);
+
+    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);
+
+    portStatus[0] = B00000011;  // ignore Tx/RX pins
+    portStatus[1] = B11000000;  // ignore 14/15 pins 
+    portStatus[2] = B00000000;
+
+//    for(i=0; i<TOTAL_PINS; ++i) { // TODO make this work with analogs
+    for(i=0; i<14; ++i) {
+        setPinModeCallback(i,OUTPUT);
+    }
+    // set all outputs to 0 to make sure internal pull-up resistors are off
+    PORTB = 0; // pins 8-15
+    PORTC = 0; // analog port
+    PORTD = 0; // pins 0-7
+
+    // TODO rethink the init, perhaps it should report analog on default
+    for(i=0; i<TOTAL_PORTS; ++i) {
+        reportPINs[i] = false;
+    }
+    // TODO: load state from EEPROM here
+
+    /* send digital inputs here, if enabled, to set the initial state on the
+     * host computer, since once in the loop(), this firmware will only send
+     * digital data on change. */
+    if(reportPINs[0]) outputPort(0, PIND &~ B00000011); // ignore Rx/Tx 0/1
+    if(reportPINs[1]) outputPort(1, PINB);
+    if(reportPINs[2]) outputPort(2, PINC);
+
+    Firmata.begin(115200);
+}
+
+/*==============================================================================
+ * LOOP()
+ *============================================================================*/
+void loop() 
+{
+/* DIGITALREAD - as fast as possible, check for changes and output them to the
+ * FTDI buffer using Serial.print()  */
+    checkDigitalInputs();  
+    currentMillis = millis();
+    if(currentMillis - previousMillis > 20) {  
+        previousMillis += 20;     // run this every 20ms
+        /* SERIALREAD - Serial.read() uses a 128 byte circular buffer, so handle
+         * all serialReads at once, i.e. empty the buffer */
+        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. */
+	
+        /* 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( analogInputsToReport & (1 << analogPin) ) {
+                Firmata.sendAnalog(analogPin, analogRead(analogPin));
+            }
+        }
+    }
+}