LM75B.h

00001 /* Copyright (c) 2012 cstyles, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction, 
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is 
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or 
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  */
00018 
00019 #ifndef LM75B_H
00020 #define LM75B_H
00021 
00022 #include "mbed.h"
00023 
00024 //  LM75B IIC address
00025 #define    LM75B_ADDR 0x90
00026 
00027 //  LM75B registers
00028 #define    LM75B_Conf        0x01
00029 #define    LM75B_Temp        0x00
00030 #define    LM75B_Tos         0x03
00031 #define    LM75B_Thyst       0x02
00032 
00033 //!Library for the LM75B temperature sensor.
00034 /*!
00035 The LM75B is an I2C digital temperature sensor, with a range of -55C to +125C and a 0.125C resolution.
00036 */
00037 class LM75B
00038 {
00039 public:
00040   //!Creates an instance of the class.
00041   /*!
00042   Connect module at I2C address addr using I2C port pins sda and scl.
00043   LM75B
00044   */
00045   LM75B(PinName sda, PinName scl);
00046   
00047   /*!
00048   Destroys instance.
00049   */ 
00050   ~LM75B ();
00051   
00052   //!Reads the current temperature.
00053   /*!
00054   Reads the temperature register of the LM75B and converts it to a useable value.
00055   */
00056   float read();
00057   void readRaw(int* a, int*b);
00058   
00059 private:
00060   
00061   I2C i2c;
00062 
00063 };
00064 
00065 #endif