Created
February 25, 2017 00:06
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/* | |
* シフトレジスタテスト | |
*/ | |
#define DATAPIN 8 | |
#define LATCHPIN 9 | |
#define CLOCKPIN 10 | |
int data[][8] = { | |
{ 1,1,1,1,1,1,0,0}, //0 | |
{ 0,1,1,0,0,0,0,0}, //1 | |
{ 1,1,0,1,1,0,1,0}, //2 | |
{ 1,1,1,1,0,0,1,0}, //3 | |
{ 0,1,1,0,0,1,1,0}, //4 | |
{ 1,0,1,1,0,1,1,0}, //5 | |
{ 1,0,1,1,1,1,1,0}, //6 | |
{ 1,1,1,0,0,0,0,0}, //7 | |
{ 1,1,1,1,1,1,1,0}, //8 | |
{ 1,1,1,1,0,1,1,0}, //9 | |
{ 0,0,0,0,0,0,0,0}, // all off | |
{ 1,1,1,1,1,1,1,1}, //all on | |
}; | |
void setup() { | |
pinMode(DATAPIN, OUTPUT); | |
pinMode(LATCHPIN, OUTPUT); | |
pinMode(CLOCKPIN, OUTPUT); | |
pinMode(13, OUTPUT); | |
output(3); | |
delay(2000); | |
} | |
void loop() { | |
int cnt; | |
for( cnt=0; cnt<10; cnt++) { | |
output(10); | |
output(cnt); | |
delay(500); | |
} | |
} | |
//データ出力 | |
void output(int selectled) { | |
int cnt; | |
for(cnt=8; cnt>=0; cnt--) { | |
digitalWrite(DATAPIN, data[selectled][cnt]?HIGH:LOW); //1bit文のデータ状態を指定 | |
onoff( CLOCKPIN); | |
onoff(13); | |
} | |
onoff( LATCHPIN ); | |
} | |
void onoff(int Pin) { | |
digitalWrite(Pin, LOW); | |
digitalWrite(Pin, HIGH); | |
} |
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