Reed Kimble / DacLtc2606

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@0:896aaf4b80d0, 2012-09-13 (annotated)

Committer:
rkimble
Date:
Thu Sep 13 23:07:18 2012 +0000
Revision:
0:896aaf4b80d0
Child:
1:5924632f3344
Initial Release

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rkimble 0:896aaf4b80d0 1 /* mbed LTC2606 1CH 16Bit DAC Library
rkimble 0:896aaf4b80d0 2 * Copyright (c) 2012 Reed Kimble
rkimble 0:896aaf4b80d0 3 *
rkimble 0:896aaf4b80d0 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
rkimble 0:896aaf4b80d0 5 * of this software and associated documentation files (the "Software"), to deal
rkimble 0:896aaf4b80d0 6 * in the Software without restriction, including without limitation the rights
rkimble 0:896aaf4b80d0 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
rkimble 0:896aaf4b80d0 8 * copies of the Software, and to permit persons to whom the Software is
rkimble 0:896aaf4b80d0 9 * furnished to do so, subject to the following conditions:
rkimble 0:896aaf4b80d0 10 *
rkimble 0:896aaf4b80d0 11 * The above copyright notice and this permission notice shall be included in
rkimble 0:896aaf4b80d0 12 * all copies or substantial portions of the Software.
rkimble 0:896aaf4b80d0 13 *
rkimble 0:896aaf4b80d0 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
rkimble 0:896aaf4b80d0 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
rkimble 0:896aaf4b80d0 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
rkimble 0:896aaf4b80d0 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
rkimble 0:896aaf4b80d0 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
rkimble 0:896aaf4b80d0 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
rkimble 0:896aaf4b80d0 20 * THE SOFTWARE.
rkimble 0:896aaf4b80d0 21 */
rkimble 0:896aaf4b80d0 22
rkimble 0:896aaf4b80d0 23 #ifndef MBED_DACLTC2606_H
rkimble 0:896aaf4b80d0 24 #define MBED_DACLTC2606_H
rkimble 0:896aaf4b80d0 25
rkimble 0:896aaf4b80d0 26 #include "mbed.h"
rkimble 0:896aaf4b80d0 27
rkimble 0:896aaf4b80d0 28 /* I2C DAC controller class
rkimble 0:896aaf4b80d0 29 */
rkimble 0:896aaf4b80d0 30 class DacLtc2606 {
rkimble 0:896aaf4b80d0 31 public:
rkimble 0:896aaf4b80d0 32 /** Create a DacLtc2606 object using to the specified I2C object
rkimble 0:896aaf4b80d0 33 *
rkimble 0:896aaf4b80d0 34 * @param i2c The I2C object to communicate with
rkimble 0:896aaf4b80d0 35 */
rkimble 0:896aaf4b80d0 36 DacLtc2606(I2C i2c);
rkimble 0:896aaf4b80d0 37
rkimble 0:896aaf4b80d0 38 /** Set the DAC output to the specifed integer value
rkimble 0:896aaf4b80d0 39 *
rkimble 0:896aaf4b80d0 40 * @param value The 16 bit integer to write (0 to 32767 to -32768 to -1)
rkimble 0:896aaf4b80d0 41 */
rkimble 0:896aaf4b80d0 42 bool write(int value);
rkimble 0:896aaf4b80d0 43
rkimble 0:896aaf4b80d0 44 /** Set the DAC output to the specified percentage of max
rkimble 0:896aaf4b80d0 45 *
rkimble 0:896aaf4b80d0 46 * @param percent A double from 0.0 to 1.0 representing the percent of max output power on the DAC
rkimble 0:896aaf4b80d0 47 */
rkimble 0:896aaf4b80d0 48 bool write(double percent);
rkimble 0:896aaf4b80d0 49
rkimble 0:896aaf4b80d0 50 private:
rkimble 0:896aaf4b80d0 51 static const char _slave = 0xE4;
rkimble 0:896aaf4b80d0 52 static const char _command = 0x30;
rkimble 0:896aaf4b80d0 53 I2C _i2c;
rkimble 0:896aaf4b80d0 54 };
rkimble 0:896aaf4b80d0 55
rkimble 0:896aaf4b80d0 56 #endif