arduino stuffs
Diffstat (limited to 'libraries/Firmata/examples/SimpleAnalogFirmata/SimpleAnalogFirmata.ino')
| -rw-r--r-- | libraries/Firmata/examples/SimpleAnalogFirmata/SimpleAnalogFirmata.ino | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/libraries/Firmata/examples/SimpleAnalogFirmata/SimpleAnalogFirmata.ino b/libraries/Firmata/examples/SimpleAnalogFirmata/SimpleAnalogFirmata.ino new file mode 100644 index 0000000..98a6adf --- /dev/null +++ b/libraries/Firmata/examples/SimpleAnalogFirmata/SimpleAnalogFirmata.ino @@ -0,0 +1,46 @@ +/* + * 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 click on the following link + * to open the list of Firmata client libraries in your default browser. + * + * https://github.com/firmata/arduino#firmata-client-libraries + */ + +/* 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(FIRMATA_FIRMWARE_MAJOR_VERSION, FIRMATA_FIRMWARE_MINOR_VERSION); + 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; +} + |