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// Yep, this is actually -*- c++ -*-
// Arduino G-code Interpreter
// v1.0 by Mike Ellery - initial software (mellery@gmail.com)
// v1.1 by Zach Hoeken - cleaned up and did lots of tweaks (hoeken@gmail.com)
// v1.2 by Chris Meighan - cleanup / G2&G3 support (cmeighan@gmail.com)
// v1.3 by Zach Hoeken - added thermocouple support and multi-sample temp readings. (hoeken@gmail.com)
#include <WProgram.h>
#include <SimplePacket.h>
#include "Commands.h"
#include "Configuration.h"
#include "RS485.h"
#include "Variables.h"
//our command string
#define COMMAND_SIZE 128
char word[COMMAND_SIZE];
byte serial_count;
int no_data = 0;
long idle_time;
boolean comment = false;
boolean bytes_received = false;
void setup()
{
pinMode(RX_ENABLE_PIN, OUTPUT);
pinMode(TX_ENABLE_PIN, OUTPUT);
digitalWrite(RX_ENABLE_PIN, LOW); //always listen.
Serial.begin(HOST_SERIAL_SPEED);
Serial1.begin(SLAVE_SERIAL_SPEED);
Serial.println("start");
//other initialization.
init_process_string();
init_steppers();
init_tool(0);
}
void loop()
{
char c;
//read in characters if we got them.
if (Serial.available() > 0)
{
c = Serial.read();
no_data = 0;
//newlines are ends of commands.
if (c != '\n')
{
// Start of comment - ignore any bytes received from now on
if (c == '(')
comment = true;
// If we're not in comment mode, add it to our array.
if (!comment)
{
word[serial_count] = c;
serial_count++;
}
if (c == ')')
comment = false; // End of comment - start listening again
}
bytes_received = true;
}
//mark no data if nothing heard for 100 milliseconds
else
{
if ((millis() - idle_time) >= 100)
{
no_data++;
idle_time = millis();
}
}
//if theres a pause or we got a real command, do it
if (bytes_received && (c == '\n' || no_data ))
{
//process our command!
process_string(word, serial_count);
//clear command.
init_process_string();
}
//no data? turn off steppers
if (no_data > 10 )
disable_steppers();
}
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