SunFounder Da Vinci Kit Bedienungsanleitung Seite 212

SunFounder Da Vinci Kit
digitalWrite(ADC_CLK,1);
digitalWrite(ADC_DIO,1);
digitalWrite(ADC_CLK,0);
digitalWrite(ADC_DIO,1);
for(i=0;i<8;i++)
{
digitalWrite(ADC_CLK,1);
digitalWrite(ADC_CLK,0);
pinMode(ADC_DIO, INPUT);
dat1=dat1<<1
}
for(i=0;i<8;i++)
{
dat2 = dat2
digitalWrite(ADC_CLK,1);
digitalWrite(ADC_CLK,0);
}
digitalWrite(ADC_CS,1);
pinMode(ADC_DIO, OUTPUT);
return(dat1==dat2)
}
int main(void)
{
uchar x_val;
uchar y_val;
uchar btn_val;
if(wiringPiSetup()
printf("setup wiringPi failed
return 1;
}
pinMode(BtnPin,
pullUpDnControl(BtnPin, PUD_UP);
pinMode(ADC_CS,
pinMode(ADC_CLK, OUTPUT);
while(1){
x_val = get_ADC_Result(0);
y_val = get_ADC_Result(1);
btn_val = digitalRead(BtnPin);
printf("x = %d, y = %d, btn =
delay(100);
}
return 0;
}
Code Erklärung
uchar get_ADC_Result(uint channel)
{
uchar i;
uchar dat1=0, dat2=0;
int sel = channel
int odd = channel
pinMode(ADC_DIO, OUTPUT);
digitalWrite(ADC_CS, 0);
// Start bit
digitalWrite(ADC_CLK,0);
208
delayMicroseconds(2);
delayMicroseconds(2);
delayMicroseconds(2);
delayMicroseconds(2);
| digitalRead(ADC_DIO);
| ((uchar)(digitalRead(ADC_DIO))<<i);
delayMicroseconds(2);
delayMicroseconds(2);
? dat1 : 0;
== -1){ //when initialize wiring failed,print messageto screen
!");
INPUT);
OUTPUT);
%d\n", x_val, y_val, btn_val);
> 1 & 1;
& 1;
(Fortsetzung der vorherigen Seite)
(Fortsetzung auf der nächsten Seite)
Kapitel 1. Über das Da Vinci Kit