void showSalvations(int salvations, int oldSalvations){
//Initalize Digits
int digits = 1;
//Loop through a counter until it reaches salvations. This loop happens very fast.
for(int c = oldSalvations; c <= salvations; c = c + (rand() % 30 + 200)){
//Fill Screen with black
matrix.fillScreen(0);
//Count digits
digits = countDigits(c);
//Place cursor
matrix.setCursor(41-(digits*6),0);
//set the data within the matrix
matrix.print(F(c));
//Show
matrix.show();
//delay the next interation for 35ms
delay(35);
}
//The following happens at the very end but because the ticker is moving so fast you wouldn't see it happen.
//This is just to ensure the final number displayed is the correct total.
matrix.fillScreen(0);
digits = countDigits(salvations);
matrix.setCursor(41-(digits*6),0);
matrix.print(F(salvations));
matrix.show();
return;
}
void setup() {
//Initalize the reader
FlashDevice* device = Devices::createWearLevelErase();
FlashReader reader(device);
Serial.begin(9600);
Serial.println("Starting setup....");
//Wifi will be disabled at this point
matrix.begin();
matrix.setTextWrap(false);
matrix.setBrightness(100);
matrix.setTextColor(matrix.Color(80,255,0));
matrix.fillScreen(0);
//We're not connected to WIFI just yet but we need a number to show
int salvations = reader.readInt();
//Show salvations unless something isn't stored in memory.
if(salvations >= 0){
showSalvations(salvations, 0);
}else{
matrix.print(F("******"));
matrix.show();
}
pinMode(batteryPin, INPUT_PULLUP);
//Now that everything is done and being shown, lets quietly connect to wifi.
if ( Spark.connected() == false){
Spark.connect();
}
}
void timeExpired()
{
matrix.fillScreen(0);
matrix.fillCircle(6, 6, 6, matrix.Color(190, 190, 190));
matrix.setTextColor(colors[0]);
matrix.setCursor(0, 1);
matrix.print(F("158"));
if (counter % 2 == 0)
{
matrix.fillScreen(0);
matrix.fillCircle(6, 5, 5, matrix.Color(20, 20, 20));
matrix.setTextColor(colors[2]);
matrix.setCursor(0, 1);
matrix.print(String(counter));
}
matrix.show();
counter++;
}
void loop() {
unsigned long t = millis(); // Current elapsed time, milliseconds.
// millis() comparisons are used rather than delay() so that animation
// speed is consistent regardless of message length & other factors.
BTLEserial.pollACI(); // Handle BTLE operations
aci_evt_opcode_t state = BTLEserial.getState();
if(state != prevState) { // BTLE state change?
switch(state) { // Change LED flashing to show state
case ACI_EVT_DEVICE_STARTED: LEDperiod = 1000L / 10; break;
case ACI_EVT_CONNECTED: LEDperiod = 1000L / 2; break;
case ACI_EVT_DISCONNECTED: LEDperiod = 0L; break;
}
prevState = state;
prevLEDtime = t;
LEDstate = LOW; // Any state change resets LED
digitalWrite(LED, LEDstate);
}
if(LEDperiod && ((t - prevLEDtime) >= LEDperiod)) { // Handle LED flash
prevLEDtime = t;
LEDstate = !LEDstate;
digitalWrite(LED, LEDstate);
}
// If connected, check for input from BTLE...
if((state == ACI_EVT_CONNECTED) && BTLEserial.available()) {
if(BTLEserial.peek() == '#') { // Color commands start with '#'
char color[7];
switch(readStr(color, sizeof(color))) {
case 4: // #RGB 4/4/4 RGB
matrix.setTextColor(matrix.Color(
unhex(color[1]) * 17, // Expand to 8/8/8
unhex(color[2]) * 17,
unhex(color[3]) * 17));
break;
case 5: // #XXXX 5/6/5 RGB
matrix.setTextColor(
(unhex(color[1]) << 12) +
(unhex(color[2]) << 8) +
(unhex(color[3]) << 4) +
unhex(color[4]));
break;
case 7: // #RRGGBB 8/8/8 RGB
matrix.setTextColor(matrix.Color(
(unhex(color[1]) << 4) + unhex(color[2]),
(unhex(color[3]) << 4) + unhex(color[4]),
(unhex(color[5]) << 4) + unhex(color[6])));
break;
}
} else { // Not color, must be message string
msgLen = readStr(msg, sizeof(msg)-1);
msg[msgLen] = 0;
msgX = matrix.width(); // Reset scrolling
}
}
if((t - prevFrameTime) >= (1000L / FPS)) { // Handle scrolling
matrix.fillScreen(0);
matrix.setCursor(msgX, 0);
matrix.print(msg);
if(--msgX < (msgLen * -6)) msgX = matrix.width(); // We must repeat!
matrix.show();
prevFrameTime = t;
}
}