Kevin Kent
/
XVHE_HID
IVSC Project
MCP4651.h
- Committer:
- kevinkent
- Date:
- 2013-06-07
- Revision:
- 4:262764d24e4d
- Parent:
- 1:82f2ef52759e
File content as of revision 4:262764d24e4d:
/* mbed MCP4651 DigiPot Driver Library * * Copyright (c) 2012, Kevin Kent Trane US Inc * * 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 MCP4651_H #define MCP4651_H #include "mbed.h" // register names #define MCP4651_VOL_WIPER0 0 #define MCP4651_VOL_WIPER1 1 #define MCP4651_REG_TCON 4 // Command modes // Left Shifted 2 bits for low nibble #define MCP4651_WR 0x0 // 00b #define MCP4651_RD 0xB // 11b #define MCP4651_INC 0x4 // 01b #define MCP4651_DEC 0x2 // 10b // Base Address of MCP4651 // 0101b + A2:A1:A0:R/W #define MCP4651_BASE 0x50 class MCP4651 { public: MCP4651(PinName sda, PinName scl, int addr); // int SetLed (int led, int mode); // int SetMode (int mask, int mode); // int Duty (int channel, float duty); // int Period (int channel, float period); int SetValue (int wiper, int value); int GetValue (int wiper); protected: void _write(int reg, int data); int _read(int reg); int _addr; I2C _i2c; }; #endif