Simple wrapper object for LTC2606 1CH 16Bit DAC. Instantiate DacLtc2606 object instance passing reference to mbed.I2C object instance. Call write() method on DacLtc2606 instance passing 16Bit integer (0 [Off] to 32767/-32768 [Half-On] to -1 [Full-On]) to set DAC output.
Diff: DacLtc2606.h
- Revision:
- 0:896aaf4b80d0
- Child:
- 1:5924632f3344
diff -r 000000000000 -r 896aaf4b80d0 DacLtc2606.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DacLtc2606.h Thu Sep 13 23:07:18 2012 +0000 @@ -0,0 +1,56 @@ +/* mbed LTC2606 1CH 16Bit DAC Library + * Copyright (c) 2012 Reed Kimble + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#ifndef MBED_DACLTC2606_H +#define MBED_DACLTC2606_H + +#include "mbed.h" + +/* I2C DAC controller class + */ +class DacLtc2606 { +public: + /** Create a DacLtc2606 object using to the specified I2C object + * + * @param i2c The I2C object to communicate with + */ + DacLtc2606(I2C i2c); + + /** Set the DAC output to the specifed integer value + * + * @param value The 16 bit integer to write (0 to 32767 to -32768 to -1) + */ + bool write(int value); + + /** Set the DAC output to the specified percentage of max + * + * @param percent A double from 0.0 to 1.0 representing the percent of max output power on the DAC + */ + bool write(double percent); + +private: + static const char _slave = 0xE4; + static const char _command = 0x30; + I2C _i2c; +}; + +#endif \ No newline at end of file