Created
April 16, 2014 19:27
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const int CLOCK_PIN = P1_5; | |
const int DATA_PIN = P1_4; | |
const int DATA_EN_PIN = P1_3; | |
const byte numbers[16] = { | |
0b11111100, | |
0b01100000, | |
0b11011010, | |
0b11110010, | |
0b01100110, | |
0b10110110, | |
0b10111110, | |
0b11100000, | |
0b11111110, | |
0b11100110, | |
0b11101110, | |
0b00111110, | |
0b10011100, | |
0b01111010, | |
0b10011110, | |
0b10001110 | |
}; | |
void loadLed(byte d1, byte d2, byte d3) | |
{ | |
digitalWrite(DATA_EN_PIN, 0); | |
digitalWrite(DATA_PIN, 1); | |
digitalWrite(CLOCK_PIN, 1); | |
delayMicroseconds(5); | |
digitalWrite(CLOCK_PIN, 0); | |
delayMicroseconds(5); | |
for (int i=7; i >= 0; i--) | |
{ | |
if(d1 & (1 << i)) | |
digitalWrite(DATA_PIN, 1); | |
else | |
digitalWrite(DATA_PIN, 0); | |
digitalWrite(CLOCK_PIN, 1); | |
delayMicroseconds(5); | |
digitalWrite(CLOCK_PIN, 0); | |
delayMicroseconds(5); | |
} | |
for (int i=7; i >= 0; i--) | |
{ | |
if(d2 & (1 << i)) | |
digitalWrite(DATA_PIN, 1); | |
else | |
digitalWrite(DATA_PIN, 0); | |
digitalWrite(CLOCK_PIN, 1); | |
delayMicroseconds(5); | |
digitalWrite(CLOCK_PIN, 0); | |
delayMicroseconds(5); | |
} | |
for (int i=7; i >= 0; i--) | |
{ | |
if(d3 & (1 << i)) | |
digitalWrite(DATA_PIN, 1); | |
else | |
digitalWrite(DATA_PIN, 0); | |
digitalWrite(CLOCK_PIN, 1); | |
delayMicroseconds(5); | |
digitalWrite(CLOCK_PIN, 0); | |
delayMicroseconds(5); | |
} | |
for (int i=0; i <= 10; i++) | |
{ | |
digitalWrite(DATA_PIN, 0); | |
digitalWrite(CLOCK_PIN, 1); | |
delayMicroseconds(5); | |
digitalWrite(CLOCK_PIN, 0); | |
delayMicroseconds(5); | |
} | |
digitalWrite(DATA_EN_PIN, 1); | |
} | |
void setup() | |
{ | |
pinMode(CLOCK_PIN, OUTPUT); | |
pinMode(DATA_PIN, OUTPUT); | |
pinMode(DATA_EN_PIN, OUTPUT); | |
delay(100); | |
} | |
void loop() | |
{ | |
loadLed(numbers[8], numbers[8], numbers[8]); | |
} |
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