====== Digital ======

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//__About this Article__//
  * **Author**: aaron --- aaron@cubietech.com --- 2014/02/27 22:33
  * **Copyrights**: [[http://creativecommons.org/licenses/by-sa/3.0/|CC Attribution-Share Alike 3.0 Unported]]
  * **Contributors**: [[http://cubieboard.org/|Cubieboard Community]] : ...
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===== Abstract =====
How to do this,please refer to [[http://docs.cubieboard.org/tutorials/arduino/controlling_led |light led]] and [[http://docs.cubieboard.org/tutorials/arduino/connecting|how to connect cubieboard and arduino]]

{{:tutorials:arduino:dsc_0735.jpg|400}}
{{:tutorials:arduino:dsc_0737.jpg|400}}
===== Headline =====

==== Souece Code====
<code>
int a=7;
int b=6;
int c=5;
int d=11;
int e=10;
int f=8;
int g=9;
int dp=4;
void digital_1(void) 
{
unsigned char j;
digitalWrite(c,HIGH);
digitalWrite(b,HIGH);
for(j=7;j<=11;j++)
digitalWrite(j,LOW);
digitalWrite(dp,LOW);
}
void digital_2(void) 
{
unsigned char j;
digitalWrite(b,HIGH);
digitalWrite(a,HIGH);
for(j=9;j<=11;j++)
digitalWrite(j,HIGH);
digitalWrite(dp,LOW);
digitalWrite(c,LOW);
digitalWrite(f,LOW);
}
void digital_3(void) 
{
unsigned char j;
digitalWrite(g,HIGH);
digitalWrite(d,HIGH);
for(j=5;j<=7;j++)
digitalWrite(j,HIGH);
digitalWrite(dp,LOW);
digitalWrite(f,LOW);
digitalWrite(e,LOW);
}
void digital_4(void) 
{
digitalWrite(c,HIGH);
digitalWrite(b,HIGH);
digitalWrite(f,HIGH);
digitalWrite(g,HIGH);
digitalWrite(dp,LOW);
digitalWrite(a,LOW);
digitalWrite(e,LOW);
digitalWrite(d,LOW);
}
void digital_5(void) 
{
unsigned char j;
for(j=7;j<=9;j++)
digitalWrite(j,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,HIGH);
digitalWrite(dp,LOW);
digitalWrite(b,LOW);
digitalWrite(e,LOW);
}
void digital_6(void) 
{
unsigned char j;
for(j=7;j<=11;j++)
digitalWrite(j,HIGH);
digitalWrite(c,HIGH);
digitalWrite(dp,LOW);
digitalWrite(b,LOW);
}
void digital_7(void) 
{
unsigned char j;
for(j=5;j<=7;j++)
digitalWrite(j,HIGH);
digitalWrite(dp,LOW);
for(j=8;j<=11;j++)
digitalWrite(j,LOW);
}
void digital_8(void) 
{
unsigned char j;
for(j=5;j<=11;j++)
digitalWrite(j,HIGH);
digitalWrite(dp,LOW);
}
void setup()
{
int i;
for(i=4;i<=11;i++)
pinMode(i,OUTPUT);
}
void loop()
{
while(1)
{
digital_1();
delay(2000);
digital_2();
delay(1000); 
digital_3();
delay(1000); 
digital_4();
delay(1000); 
digital_5();
delay(1000); 
digital_6();
delay(1000); 
digital_7();
delay(1000); 
digital_8();
delay(1000); 
}
}
</code>

===== Headline =====

=== See Also ===

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{{tag>Cubieboard Cubietruck}}
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