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Метод для изменения адреса датчика для работы с несколькими датчиками… #4

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Метод для изменения адреса датчика для работы с несколькими датчиками… #4

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4 changes: 4 additions & 0 deletions LM75.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,10 @@ void LM75::thyst (float temp) {
_register16(LM75_THYST_REGISTER, float2regdata(temp));
}

void LM75::setaddr (byte addr) {
address = addr;
}

boolean LM75::shutdown () {
return conf() & 0x01;
}
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1 change: 1 addition & 0 deletions LM75.h
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Expand Up @@ -56,6 +56,7 @@ class LM75 {
void tos (float);
float thyst (void);
void thyst (float);
void setaddr (byte);
void shutdown (boolean);
boolean shutdown (void);
};
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76 changes: 76 additions & 0 deletions examples/MultiUsage/MultiUsage.pde
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Original file line number Diff line number Diff line change
@@ -0,0 +1,76 @@
/*
LM75 - An arduino library for the LM75 temperature sensor
Copyright (C) 2011 Dan Fekete <thefekete AT gmail DOT com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

#include <Wire.h>
#include <LM75.h>

LM75 sensor; // initialize an LM75 object
// You can also initiate with another address as follows:
//LM75 sensor(LM75_ADDRESS | 0b001); // if A0->GND, A1->GND and A2->Vcc
byte sensaddr[2]={
0x49, // A0->GND, A1->GND and A2->GND
// 0x4B, // A0->Vcc, A1->Vcc and A2->Vcc
0x4F // A0->Vcc, A1->Vcc and A2->Vcc
};
float senshigh[2]={
27.5,
22.5
};
float sensdown[2]={
25.0,
20.0
};

void setup()
{
Wire.begin();
Serial.begin(9600);
while (!Serial); // Leonardo: wait for serial monitor
Serial.println("\nMultiple LM75 I2C temperature sensor");
for (int i = 0 ; i < sizeof(sensaddr) ; i++) {
Serial.println(sensaddr[i]);
// set address
sensor.setaddr(sensaddr[i]);
// Tos Set-point
sensor.tos(senshigh[i]);
Serial.print("Tos set at ");
Serial.print(sensor.tos());
Serial.println(" C");

// Thyst Set-point
sensor.thyst(sensdown[i]);
Serial.print("Thyst set at ");
Serial.print(sensor.thyst());
Serial.println(" C");
}
}

void loop()
{
for (int i = 0 ; i < sizeof(sensaddr) ; i++) {
// set address
sensor.setaddr(sensaddr[i]);
// get temperature from sensor
Serial.print("Current temp ");
Serial.print(sensaddr[i]);
Serial.print(": ");
Serial.print(sensor.temp());
Serial.println(" C");
}
delay(3000);
}