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authorCristian Maglie <c.maglie@bug.st>2012-01-04 15:14:51 +0100
committerCristian Maglie <c.maglie@bug.st>2012-01-04 15:14:51 +0100
commit8c2b5b979a75d109ae7cc306afc50d7ffe1e0366 (patch)
tree19ac8d91c7209397e7dc890b432a254ae9a7cd62 /libraries/Firmata/examples/AllInputsFirmata/AllInputsFirmata.ino
parentbe52c95820400d48e47615232d3c38236166fad3 (diff)
Moved libraries folder inside platform folder. Now libraries and examples are searched per board/platform
Diffstat (limited to 'libraries/Firmata/examples/AllInputsFirmata/AllInputsFirmata.ino')
-rw-r--r--libraries/Firmata/examples/AllInputsFirmata/AllInputsFirmata.ino90
1 files changed, 90 insertions, 0 deletions
diff --git a/libraries/Firmata/examples/AllInputsFirmata/AllInputsFirmata.ino b/libraries/Firmata/examples/AllInputsFirmata/AllInputsFirmata.ino
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index 0000000..bff7366
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+++ b/libraries/Firmata/examples/AllInputsFirmata/AllInputsFirmata.ino
@@ -0,0 +1,90 @@
+/*
+ * 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
+ */
+
+/*
+ * This firmware reads all inputs and sends them as fast as it can. It was
+ * inspired by the ease-of-use of the Arduino2Max program.
+ *
+ * This example code is in the public domain.
+ */
+#include <Firmata.h>
+
+byte pin;
+
+int analogValue;
+int previousAnalogValues[TOTAL_ANALOG_PINS];
+
+byte portStatus[TOTAL_PORTS]; // each bit: 1=pin is digital input, 0=other/ignore
+byte previousPINs[TOTAL_PORTS];
+
+/* timer variables */
+unsigned long currentMillis; // store the current value from millis()
+unsigned long previousMillis; // for comparison with currentMillis
+/* make sure that the FTDI buffer doesn't go over 60 bytes, otherwise you
+ get long, random delays. So only read analogs every 20ms or so */
+int samplingInterval = 19; // how often to run the main loop (in ms)
+
+void sendPort(byte portNumber, byte portValue)
+{
+ portValue = portValue & portStatus[portNumber];
+ if(previousPINs[portNumber] != portValue) {
+ Firmata.sendDigitalPort(portNumber, portValue);
+ previousPINs[portNumber] = portValue;
+ }
+}
+
+void setup()
+{
+ byte i, port, status;
+
+ Firmata.setFirmwareVersion(0, 1);
+
+ for(pin = 0; pin < TOTAL_PINS; pin++) {
+ if IS_PIN_DIGITAL(pin) pinMode(PIN_TO_DIGITAL(pin), INPUT);
+ }
+
+ for (port=0; port<TOTAL_PORTS; port++) {
+ status = 0;
+ for (i=0; i<8; i++) {
+ if (IS_PIN_DIGITAL(port * 8 + i)) status |= (1 << i);
+ }
+ portStatus[port] = status;
+ }
+
+ Firmata.begin(57600);
+}
+
+void loop()
+{
+ byte i;
+
+ for (i=0; i<TOTAL_PORTS; i++) {
+ sendPort(i, readPort(i, 0xff));
+ }
+ /* make sure that the FTDI buffer doesn't go over 60 bytes, otherwise you
+ get long, random delays. So only read analogs every 20ms or so */
+ currentMillis = millis();
+ if(currentMillis - previousMillis > samplingInterval) {
+ previousMillis += samplingInterval;
+ while(Firmata.available()) {
+ Firmata.processInput();
+ }
+ for(pin = 0; pin < TOTAL_ANALOG_PINS; pin++) {
+ analogValue = analogRead(pin);
+ if(analogValue != previousAnalogValues[pin]) {
+ Firmata.sendAnalog(pin, analogValue);
+ previousAnalogValues[pin] = analogValue;
+ }
+ }
+ }
+}
+
+