FirmataC
This is a simple and lightweigh C library to communicate with Firmata devices such as Arduino.
This library implements Firmata V2.3.
Example
Here is the implementation of Arduino blinking led tutorial using FirmataC.
#include "firmata.h"
int main()
{
t_firmata *firmata;
int i = 0;
//init Firmata
firmata = firmata_new("/dev/ttyACM0");
//Wait until device is up
while(!firmata->isReady)
firmata_pull(firmata);
//set pin 13 (led on most arduino) to out
firmata_pinMode(firmata, 13, MODE_OUTPUT);
while (1)
{
sleep(1);
if (i++ % 2)
firmata_digitalWrite(firmata, 13, HIGH); //light led
else
firmata_digitalWrite(firmata, 13, LOW); //unlight led
}
}
Reference
t_firmata *firmata_new(char *name)- name: path to device, usually "/dev/ttyACM0"
int firmata_pinMode(t_firmata *firmata, int pin, int mode)- pin: #pin
- mode: pinMode can be: MODE_INPUT, MODE_OUTPUT, MODE_SERVO, MODE_PWM, MODE_ANALOG, MODE_SHIFT, MODE_I2C
int firmata_digitalWrite(t_firmata *firmata, int pin, int value)- pin: #pin
- value: can be HIGH or LOW
int firmata_analogWrite(t_firmata *firmata, int pin, int value)- pin: #pin
- value: #value
int firmata_pull(t_firmata *firmata)Pull input. To read values about captor refer to firmata->pins[nbPin] (described in "includes/firmata.h").
For more information see the Arduino documentation.
License
See License file included in sources.
Thanks
Special thanks to Paul Stoffregen for the Firmata GUI-friendly that helped much!