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.
DacLtc2606.h
- Committer:
- rkimble
- Date:
- 2012-09-14
- Revision:
- 2:d101ca4ae85e
- Parent:
- 1:5924632f3344
File content as of revision 2:d101ca4ae85e:
/* mbed LTC2606 1CH 16Bit DAC Library * Copyright (c) 2012 Reed Kimble, MIT License * * 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 unsigned short integer value * * @param value The 16 bit integer to write (0 to 65535) */ bool write(unsigned short 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); /** Retreives the unsigned short integer value currently assigned to the DAC output */ unsigned short getCurrentValue(); private: static const char _slave = 0xE4; static const char _command = 0x30; I2C _i2c; unsigned short _currentValue; }; #endif