mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
89 lines
1.5 KiB
C++
89 lines
1.5 KiB
C++
#pragma once
|
|
//
|
|
// FILE: ADG731.h
|
|
// AUTHOR: Rob Tillaart
|
|
// DATE: 2023-07-24
|
|
// VERSION: 0.1.1
|
|
// PURPOSE: Arduino library for ADG731 - 32 to 1 channel multiplexer
|
|
// URL: https://github.com/RobTillaart/ADG731
|
|
|
|
|
|
#include "Arduino.h"
|
|
|
|
#define ADG731_LIB_VERSION (F("0.1.1"))
|
|
|
|
#define ADG731_ALLOFF 0x80
|
|
|
|
|
|
class ADG731
|
|
{
|
|
public:
|
|
explicit ADG731(uint8_t clockPin, uint8_t dataPin, uint8_t syncPin)
|
|
{
|
|
_clockPin = clockPin;
|
|
_dataPin = dataPin;
|
|
_syncPin = syncPin;
|
|
|
|
pinMode(_clockPin, OUTPUT);
|
|
pinMode(_dataPin, OUTPUT);
|
|
pinMode(_syncPin, OUTPUT);
|
|
|
|
digitalWrite(_clockPin, HIGH);
|
|
digitalWrite(_dataPin, HIGH);
|
|
digitalWrite(_syncPin, HIGH);
|
|
|
|
// default all off.
|
|
_channel = ADG731_ALLOFF;
|
|
}
|
|
|
|
|
|
void setChannel(uint8_t channel)
|
|
{
|
|
_channel = channel & 0x1F;
|
|
write(_channel);
|
|
}
|
|
|
|
|
|
uint8_t getChannel()
|
|
{
|
|
return _channel;
|
|
}
|
|
|
|
|
|
uint8_t channelCount()
|
|
{
|
|
return 32;
|
|
}
|
|
|
|
|
|
void allOff()
|
|
{
|
|
_channel = ADG731_ALLOFF;
|
|
write(_channel);
|
|
}
|
|
|
|
|
|
private:
|
|
void write(uint8_t data)
|
|
{
|
|
digitalWrite(_syncPin, LOW);
|
|
for (int i = 0; i < 8; i++)
|
|
{
|
|
// CLOCK max 30 MHz.
|
|
digitalWrite(_clockPin, HIGH);
|
|
digitalWrite(_dataPin, (data & 0x80) > 0);
|
|
data <<= 1;
|
|
digitalWrite(_clockPin, LOW);
|
|
}
|
|
digitalWrite(_syncPin, HIGH);
|
|
}
|
|
|
|
uint8_t _clockPin;
|
|
uint8_t _dataPin;
|
|
uint8_t _syncPin;
|
|
uint8_t _channel;
|
|
};
|
|
|
|
|
|
// -- END OF FILE --
|