Racemore.de

Quellcode

/*
DX SLI iRacing Arduino Project
Author: Mark Silverwood

Using TM1638 library from Ricardo Batista <rjbatista at gmail dot com>

This Arduino Sketch creates a simple serial interface for the SLI unit.
This Sketch was generated on: 3/8/2014
This Sketch is for a double (2) Display Unit Configuration

 */

#include <TM1638.h>

//////Setup Here
#define dataPin 8
#define clockPin 7
#define strobePin1 9
#define strobePin2 10
#define NumberUnits 2
#define NumberTM1638Units 2
//////Setup Finished

#define startByte1 255
#define startByte2 37
#define endByte 180
#define messageLength 27

TM1638 module1(dataPin,clockPin,strobePin1,false,0);
TM1638 module2(dataPin,clockPin,strobePin2,false,0);

//// Variable Declarations
word leds; 
byte segments[8], TM1640segments[16], redLeds, greenLeds, intensity, unit, sum, i, readCount, checkerPosition;
byte buttons[NumberTM1638Units], oldbuttons[NumberTM1638Units], lastButtonSend[NumberTM1638Units];
long lastCheck, debounceDelay = 100;
boolean sendButtons = false;
byte messageHolder[messageLength], message[messageLength-4], messagePosition = -1;

void setup() {
Serial.begin(28800);
for(int u = 0; u < NumberTM1638Units; u++)
{
oldbuttons[u] = 0;
}
intensity = 0;
lastCheck = millis();}

void loop() {
buttonsCheck();
if (Serial.available() > 0){
messagePosition++;
if(messagePosition == messageLength) messagePosition = 0;
messageHolder[messagePosition] = Serial.read();
messageChecker();
}
}

void messageChecker()
{
checkerPosition = (messagePosition == 0) ? messageLength-1 : messagePosition - 1;
if(messageHolder[checkerPosition] != endByte) return; //end byte
checkerPosition = (messagePosition == messageLength -1) ? 0 : messagePosition + 1;
if(messageHolder[checkerPosition]!= startByte1) return; //start byte1
checkerPosition = (checkerPosition == messageLength - 1) ? 0 : checkerPosition+1;
if(messageHolder[checkerPosition]!= startByte2) return; // start byte 2
checkerPosition++;
readCount = 0;
sum = 0;
while (readCount < messageLength-4)
{
if(checkerPosition == messageLength) checkerPosition = 0;
message[readCount] = messageHolder[checkerPosition];
sum += messageHolder[checkerPosition];
readCount++;
checkerPosition++;
}
if(sum == messageHolder[messagePosition]) messageRead(message);
}

void messageRead(byte _message[]){
i = 0;
intensity = _message[i++];
for(int u = 1; u <= NumberUnits; u++)
{
unit = _message[i++];
if(false)
{
for(int x = 0;x<16;x++){
TM1640segments[x] = _message[i++];
}
updateDisplay(unit,word(0,0),TM1640segments,intensity);
}
else
{
greenLeds = _message[i++];
redLeds = _message[i++];
for(int x = 0;x<8;x++){
segments[x] = _message[i++];
}
updateDisplay(unit,word(greenLeds,redLeds),segments,intensity);
}
}
}

void buttonsCheck(){
if ((millis() - lastCheck)<debounceDelay) return;
lastCheck = millis();
buttons[0] = module1.getButtons();
buttons[1] = module2.getButtons();
sendButtons = false;
for(int u = 0; u < NumberTM1638Units; u++)
{
if (buttons[u] != lastButtonSend[u] && buttons[u] != oldbuttons[u]){
sendButtons = true;
}
oldbuttons[u] = buttons[u];
}
if(sendButtons){
Serial.write(startByte1);
for(int u = 0; u < NumberTM1638Units; u++)
{
lastButtonSend[u] = buttons[u];
Serial.write(lastButtonSend[u]);
}
}
}

void updateDisplay(byte unit, word _leds, byte _segments[], byte _intensity){
switch(unit){
case 1:
module1.setupDisplay(true,_intensity);
module1.setLEDs(_leds);
module1.setDisplay(_segments);
break;
case 2:
module2.setupDisplay(true,_intensity);
module2.setLEDs(_leds);
module2.setDisplay(_segments);
break;
}
}