68 lines
1.4 KiB
C++
68 lines
1.4 KiB
C++
#include "Arduino.h"
|
|
#include "INPUT_74HC4051.h"
|
|
|
|
void INPUT_74HC4051::begin(uint8_t analog, uint8_t s0, uint8_t s1, uint8_t s2,CallbackFunction cbF) {
|
|
_analog = analog;
|
|
|
|
_s0 = s0;
|
|
_s1 = s1;
|
|
_s2 = s2;
|
|
|
|
pinMode(_analog,INPUT);
|
|
|
|
pinMode(_s0,OUTPUT);
|
|
pinMode(_s1,OUTPUT);
|
|
pinMode(_s2,OUTPUT);
|
|
|
|
_callbackFunction = cbF;
|
|
|
|
//init start values
|
|
uint8_t pin,r0,r1,r2;
|
|
for (pin=0; pin<8; pin++) {
|
|
r0 = bitRead(pin,0);
|
|
r1 = bitRead(pin,1);
|
|
r2 = bitRead(pin,2);
|
|
digitalWrite(_s0, r0);
|
|
digitalWrite(_s1, r1);
|
|
digitalWrite(_s2, r2);
|
|
//delayMicroseconds(10);
|
|
_value[pin] = analogRead(_analog);
|
|
}
|
|
}
|
|
|
|
void INPUT_74HC4051::loop() {
|
|
uint8_t pin,r0,r1,r2;
|
|
int value;
|
|
for (pin=0; pin<8; pin++) {
|
|
r0 = bitRead(pin,0);
|
|
r1 = bitRead(pin,1);
|
|
r2 = bitRead(pin,2);
|
|
digitalWrite(_s0, r0);
|
|
digitalWrite(_s1, r1);
|
|
digitalWrite(_s2, r2);
|
|
//delayMicroseconds(10);
|
|
value = analogRead(_analog);
|
|
if (_value[pin] < value - INPUT_74HC4051_TOLERANCE || _value[pin] > value + INPUT_74HC4051_TOLERANCE) {
|
|
_value[pin] = value;
|
|
(*_callbackFunction)(_analog,pin,value);
|
|
}
|
|
}
|
|
}
|
|
|
|
int INPUT_74HC4051::getSpecificValue(uint8_t pin) {
|
|
if (pin >= 8)
|
|
return -1;
|
|
uint8_t r0,r1,r2;
|
|
r0 = bitRead(pin,0);
|
|
r1 = bitRead(pin,1);
|
|
r2 = bitRead(pin,2);
|
|
digitalWrite(_s0, r0);
|
|
digitalWrite(_s1, r1);
|
|
digitalWrite(_s2, r2);
|
|
//delayMicroseconds(10);
|
|
int value = analogRead(_analog);
|
|
_value[pin] = value;
|
|
return value;
|
|
}
|
|
|