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MCP4651.cpp
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MCP4651.cpp
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#include "MCP4651.h"
#include <Arduino.h>
#include <Wire.h>
void MCP4651::pot0_set_Value (int pot_address, int value) {
Wire.beginTransmission(pot_address);
Wire.write(0x00);
Wire.write(value);
Wire.endTransmission(pot_address);
}
void MCP4651::pot1_set_Value (int pot_address, int value) {
Wire.beginTransmission(pot_address);
Wire.write(0x010);
Wire.write(value);
Wire.endTransmission(pot_address);
}
void MCP4651::pot0_inc (int pot_address) {
Wire.beginTransmission(pot_address);
Wire.write(0x04);
Wire.endTransmission(pot_address);
}
void MCP4651::pot1_inc (int pot_address) {
Wire.beginTransmission(pot_address);
Wire.write(0x14);
Wire.endTransmission(pot_address);
}
void MCP4651::pot0_dec (int pot_address) {
Wire.beginTransmission(pot_address);
Wire.write(0x08);
Wire.endTransmission(pot_address);
}
void MCP4651::pot1_dec (int pot_address) {
Wire.beginTransmission(pot_address);
Wire.write(0x18);
Wire.endTransmission(pot_address);
}
int MCP4651::pot0_read (int pot_address) {
int data = 0;
Wire.beginTransmission(pot_address);
Wire.write(0x0C);
Wire.endTransmission(pot_address);
Wire.requestFrom(pot_address,2);
unsigned long time = millis();
while (!Wire.available()) if ((millis() - time)>500) return 0x00;
while (Wire.available()) data = Wire.read();
return data;
}
int MCP4651::pot1_read (int pot_address) {
int data = 0;
Wire.beginTransmission(pot_address);
Wire.write(0x1C);
Wire.endTransmission(pot_address);
Wire.requestFrom(pot_address,2);
unsigned long time = millis();
while (!Wire.available()) if ((millis() - time)>500) return 0x00;
while (Wire.available()) data = Wire.read();
return data;
}