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https://github.com/RobTillaart/Arduino.git
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110 lines
1.8 KiB
C++
110 lines
1.8 KiB
C++
#pragma once
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//
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// FILE: ADG732.h
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// AUTHOR: Rob Tillaart
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// DATE: 2023-07-24
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// VERSION: 0.1.2
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// PURPOSE: Arduino library for ADG732 - 32 to 1 channel multiplexer
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// URL: https://github.com/RobTillaart/ADG732
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#include "Arduino.h"
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#define ADG732_LIB_VERSION (F("0.1.2"))
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#define ADG732_ALLOFF 0x80
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class ADG732
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{
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public:
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ADG732(uint8_t A, uint8_t B, uint8_t C, uint8_t D, uint8_t E, uint8_t CS, uint8_t EN, uint8_t WR)
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{
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uint8_t arr[5] = { A, B, C, D, E };
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ADG732(arr, CS, EN, WR);
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}
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explicit ADG732(uint8_t address[5], uint8_t CS, uint8_t EN, uint8_t WR)
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{
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for (int i = 0; i < 5; i++)
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{
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_addr[i] = address[i];
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pinMode(_addr[i], OUTPUT);
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digitalWrite(_addr[i], LOW);
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}
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_CS = CS;
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_EN = EN;
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_WR = WR;
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pinMode(_CS, OUTPUT);
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pinMode(_EN, OUTPUT);
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pinMode(_WR, OUTPUT);
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digitalWrite(_CS, HIGH);
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digitalWrite(_EN, HIGH);
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digitalWrite(_WR, HIGH);
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// default all off.
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_channel = ADG732_ALLOFF;
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}
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void setChannel(uint8_t channel)
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{
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_channel = channel & 0x1F;
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write(_channel, LOW);
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}
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uint8_t getChannel()
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{
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return _channel;
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}
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uint8_t channelCount()
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{
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return 32;
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}
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void allOff()
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{
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_channel = ADG732_ALLOFF;
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write(_channel, HIGH);
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}
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private:
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void write(uint8_t data, uint8_t en)
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{
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digitalWrite(_CS, LOW);
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digitalWrite(_WR, LOW);
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digitalWrite(_EN, en);
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if (en == LOW)
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{
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uint8_t mask = 0x01;
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for (int i = 0; i < 5; i++)
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{
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digitalWrite(_addr[i], ((data & mask) > 0));
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mask <<= 1;
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}
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digitalWrite(_EN, HIGH);
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}
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digitalWrite(_WR, HIGH);
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digitalWrite(_CS, HIGH);
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}
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uint8_t _addr[5];
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uint8_t _CS;
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uint8_t _EN;
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uint8_t _WR;
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uint8_t _channel;
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};
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// -- END OF FILE --
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