Created
August 12, 2009 20:32
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int ledPin = 0 ; | |
int catPin = 8 ; | |
int buttonUp = 14 ; | |
int buttonDown = 15 ; | |
int number = 0 ; | |
unsigned long time, oldTime ; | |
int numbers[10][8]={{HIGH,HIGH,HIGH,HIGH,HIGH,HIGH,LOW,LOW}, | |
{LOW,HIGH,HIGH,LOW,LOW,LOW,LOW,LOW}, | |
{HIGH,HIGH,LOW,HIGH,HIGH,LOW,HIGH,LOW}, | |
{HIGH,HIGH,HIGH,HIGH,LOW,LOW,HIGH,LOW}, | |
{LOW,HIGH,HIGH,LOW,LOW,HIGH,HIGH,LOW}, | |
{HIGH,LOW,HIGH,HIGH,LOW,HIGH,HIGH,LOW}, | |
{HIGH,LOW,HIGH,HIGH,HIGH,HIGH,HIGH,LOW}, | |
{HIGH,HIGH,HIGH,LOW,LOW,LOW,LOW,LOW}, | |
{HIGH,HIGH,HIGH,HIGH,HIGH,HIGH,HIGH,LOW}, | |
{HIGH,HIGH,HIGH,HIGH,LOW,HIGH,HIGH,LOW}}; | |
void writeDigit(int index, int digit) | |
{ | |
reset() ; | |
int cathode = catPin + index ; | |
for (int i=0; i<8 ; i++) | |
digitalWrite(ledPin + i, numbers[digit][i]) ; | |
digitalWrite(cathode, LOW) ; | |
} | |
void reset() | |
{ | |
for (int i=0 ; i<5 ; i++) | |
digitalWrite(catPin + i, HIGH) ; | |
for (int i=0 ; i<8 ; i++) | |
digitalWrite(ledPin + i, LOW) ; | |
} | |
void writeDots() | |
{ | |
reset() ; | |
digitalWrite(ledPin, HIGH) ; | |
digitalWrite(ledPin+1, HIGH) ; | |
digitalWrite(catPin+4, (millis()/1000)%2) ; | |
reset() ; | |
} | |
void writeNumber(int number) | |
{ | |
number = number%10000 ; | |
writeDigit(0, number/1000) ; | |
number = number%1000 ; | |
writeDigit(1, number/100) ; | |
number = number%100 ; | |
writeDigit(2, number/10) ; | |
number = number%10 ; | |
writeDigit(3, number) ; | |
writeDots() ; | |
} | |
void writeTime(unsigned long time) | |
{ | |
int seconds = time % 60 ; | |
time = time % 86400 ; | |
int hours = (time/3600) ; | |
int minutes = (time/60) - hours*60 ; | |
writeNumber(hours*100 + minutes) ; | |
} | |
unsigned long timeInSeconds(int hours, int minutes, int seconds) | |
{ | |
unsigned long sTime = (unsigned long)seconds + 60*(unsigned long)minutes + 3600*(unsigned long)hours ; | |
return sTime ; | |
} | |
void display() | |
{ | |
writeNumber(0) ; | |
} | |
void setupPins() | |
{ | |
for (int i=ledPin; i < ledPin + 8 ; i++) | |
{ | |
pinMode(i, OUTPUT) ; | |
} | |
for (int i=catPin; i < catPin + 5 ; i++) | |
{ | |
pinMode(i, OUTPUT) ; | |
digitalWrite(i, HIGH) ; | |
} | |
pinMode(buttonUp, INPUT) ; | |
} | |
void setup() | |
{ | |
setupPins() ; | |
reset() ; | |
time = timeInSeconds(22,8,0) ; | |
// Serial.begin(9600); | |
} | |
void loop() | |
{ | |
if (digitalRead(buttonUp) == HIGH) | |
{ | |
if (millis() > oldTime + 200) | |
{ | |
time += 60 ; | |
oldTime = millis() ; | |
} | |
} | |
if (digitalRead(buttonDown) == HIGH) | |
{ | |
if (millis() > oldTime + 200) | |
{ | |
time -= 60 ; | |
oldTime = millis() ; | |
} | |
} | |
// Serial.print("Hello\n") ; | |
writeTime(time + millis()/1000) ; | |
} |
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