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authorDavid A. Mellis <d.mellis@arduino.cc>2009-06-01 08:32:11 +0000
committerDavid A. Mellis <d.mellis@arduino.cc>2009-06-01 08:32:11 +0000
commitdb605dd18b11ecfb5cd9f92c721c52cb70543384 (patch)
tree8a9029ffc560970ce1204ba86785ad44ef044906 /libraries/Firmata/examples/SimpleDigitalFirmata/SimpleDigitalFirmata.pde
First integration of the Arduino code in Processing 5503: PreProcessor and Compiler have been integrated with changes to the Sketch.
Compilation still has problems (Thread error on success, and can't handle non-pde files in a sketch). Modified the Mac OS X make.sh to copy the hardware, avr tools, and example over. Removing some of the antlr stuff. Disabling the Commander (command-line execution) for now. Added Library, LibraryManager, and Target. Added support for prefixed preferences (e.g. for boards and programmers).
Diffstat (limited to 'libraries/Firmata/examples/SimpleDigitalFirmata/SimpleDigitalFirmata.pde')
-rw-r--r--libraries/Firmata/examples/SimpleDigitalFirmata/SimpleDigitalFirmata.pde58
1 files changed, 58 insertions, 0 deletions
diff --git a/libraries/Firmata/examples/SimpleDigitalFirmata/SimpleDigitalFirmata.pde b/libraries/Firmata/examples/SimpleDigitalFirmata/SimpleDigitalFirmata.pde
new file mode 100644
index 0000000..1104a92
--- /dev/null
+++ b/libraries/Firmata/examples/SimpleDigitalFirmata/SimpleDigitalFirmata.pde
@@ -0,0 +1,58 @@
+/* Supports as many digital inputs and outputs as possible.
+ *
+ * This example code is in the public domain.
+ */
+#include <Firmata.h>
+
+byte previousPIN[2]; // PIN means PORT for input
+byte previousPORT[2];
+
+void outputPort(byte portNumber, byte portValue)
+{
+// only send the data when it changes, otherwise you get too many messages!
+ if(previousPIN[portNumber] != portValue) {
+ Firmata.sendDigitalPort(portNumber, portValue);
+ previousPIN[portNumber] = portValue;
+ Firmata.sendDigitalPort(portNumber, portValue);
+ }
+}
+
+void setPinModeCallback(byte pin, int mode) {
+ if(pin > 1) { // don't touch RxTx pins (0,1)
+ pinMode(pin, mode);
+ }
+}
+
+void digitalWriteCallback(byte port, int value)
+{
+ byte i;
+ byte currentPinValue, previousPinValue;
+
+ if(value != previousPORT[port]) {
+ for(i=0; i<8; i++) {
+ currentPinValue = (byte) value & (1 << i);
+ previousPinValue = previousPORT[port] & (1 << i);
+ if(currentPinValue != previousPinValue) {
+ digitalWrite(i + (port*8), currentPinValue);
+ }
+ }
+ previousPORT[port] = value;
+ }
+}
+
+void setup()
+{
+ Firmata.setFirmwareVersion(0, 1);
+ Firmata.attach(DIGITAL_MESSAGE, digitalWriteCallback);
+ Firmata.attach(SET_PIN_MODE, setPinModeCallback);
+ Firmata.begin();
+}
+
+void loop()
+{
+ outputPort(0, PIND &~ B00000011); // pins 0-7, ignoring Rx/Tx pins (0/1)
+ outputPort(1, PINB); // pins 8-13
+ while(Firmata.available()) {
+ Firmata.processInput();
+ }
+}