mirror of
https://github.com/arduino/Arduino.git
synced 2024-12-12 23:08:52 +01:00
47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/*
|
|
* 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
|
|
*/
|
|
|
|
/* Supports as many analog inputs and analog PWM outputs as possible.
|
|
*
|
|
* This example code is in the public domain.
|
|
*/
|
|
#include <Firmata.h>
|
|
|
|
byte analogPin = 0;
|
|
|
|
void analogWriteCallback(byte pin, int value)
|
|
{
|
|
if (IS_PIN_PWM(pin)) {
|
|
pinMode(PIN_TO_DIGITAL(pin), OUTPUT);
|
|
analogWrite(PIN_TO_PWM(pin), value);
|
|
}
|
|
}
|
|
|
|
void setup()
|
|
{
|
|
Firmata.setFirmwareVersion(0, 1);
|
|
Firmata.attach(ANALOG_MESSAGE, analogWriteCallback);
|
|
Firmata.begin(57600);
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
while(Firmata.available()) {
|
|
Firmata.processInput();
|
|
}
|
|
// do one analogRead per loop, so if PC is sending a lot of
|
|
// analog write messages, we will only delay 1 analogRead
|
|
Firmata.sendAnalog(analogPin, analogRead(analogPin));
|
|
analogPin = analogPin + 1;
|
|
if (analogPin >= TOTAL_ANALOG_PINS) analogPin = 0;
|
|
}
|
|
|