Kevin Kent / Mbed 2 deprecated XVHE_HID

IVSC Project

Dependencies:   USBDevice mbed

MCP4651.h@4:262764d24e4d, 2013-06-07 (annotated)

Committer:
kevinkent
Date:
Fri Jun 07 19:59:29 2013 +0000
Revision:
4:262764d24e4d
Parent:
1:82f2ef52759e 
Version 1.2

; Added MSG[0] = 0x06 tow write one pot chain with a single message

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevinkent 1:82f2ef52759e 1 /* mbed MCP4651 DigiPot Driver Library
kevinkent 1:82f2ef52759e 2 *
kevinkent 1:82f2ef52759e 3 * Copyright (c) 2012, Kevin Kent Trane US Inc
kevinkent 1:82f2ef52759e 4 *
kevinkent 1:82f2ef52759e 5 * Permission is hereby granted, free of charge, to any person obtaining a copy
kevinkent 1:82f2ef52759e 6 * of this software and associated documentation files (the "Software"), to deal
kevinkent 1:82f2ef52759e 7 * in the Software without restriction, including without limitation the rights
kevinkent 1:82f2ef52759e 8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
kevinkent 1:82f2ef52759e 9 * copies of the Software, and to permit persons to whom the Software is
kevinkent 1:82f2ef52759e 10 * furnished to do so, subject to the following conditions:
kevinkent 1:82f2ef52759e 11 *
kevinkent 1:82f2ef52759e 12 * The above copyright notice and this permission notice shall be included in
kevinkent 1:82f2ef52759e 13 * all copies or substantial portions of the Software.
kevinkent 1:82f2ef52759e 14 *
kevinkent 1:82f2ef52759e 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
kevinkent 1:82f2ef52759e 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
kevinkent 1:82f2ef52759e 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
kevinkent 1:82f2ef52759e 18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
kevinkent 1:82f2ef52759e 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kevinkent 1:82f2ef52759e 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
kevinkent 1:82f2ef52759e 21 * THE SOFTWARE.
kevinkent 1:82f2ef52759e 22 */
kevinkent 1:82f2ef52759e 23
kevinkent 1:82f2ef52759e 24 #ifndef MCP4651_H
kevinkent 1:82f2ef52759e 25 #define MCP4651_H
kevinkent 1:82f2ef52759e 26
kevinkent 1:82f2ef52759e 27 #include "mbed.h"
kevinkent 1:82f2ef52759e 28
kevinkent 1:82f2ef52759e 29 // register names
kevinkent 1:82f2ef52759e 30 #define MCP4651_VOL_WIPER0 0
kevinkent 1:82f2ef52759e 31 #define MCP4651_VOL_WIPER1 1
kevinkent 1:82f2ef52759e 32
kevinkent 1:82f2ef52759e 33 #define MCP4651_REG_TCON 4
kevinkent 1:82f2ef52759e 34
kevinkent 1:82f2ef52759e 35
kevinkent 1:82f2ef52759e 36
kevinkent 1:82f2ef52759e 37 // Command modes
kevinkent 1:82f2ef52759e 38 // Left Shifted 2 bits for low nibble
kevinkent 1:82f2ef52759e 39 #define MCP4651_WR 0x0 // 00b
kevinkent 1:82f2ef52759e 40 #define MCP4651_RD 0xB // 11b
kevinkent 1:82f2ef52759e 41 #define MCP4651_INC 0x4 // 01b
kevinkent 1:82f2ef52759e 42 #define MCP4651_DEC 0x2 // 10b
kevinkent 1:82f2ef52759e 43
kevinkent 1:82f2ef52759e 44 // Base Address of MCP4651
kevinkent 1:82f2ef52759e 45 // 0101b + A2:A1:A0:R/W
kevinkent 1:82f2ef52759e 46 #define MCP4651_BASE 0x50
kevinkent 1:82f2ef52759e 47
kevinkent 1:82f2ef52759e 48 class MCP4651 {
kevinkent 1:82f2ef52759e 49
kevinkent 1:82f2ef52759e 50 public:
kevinkent 1:82f2ef52759e 51
kevinkent 1:82f2ef52759e 52 MCP4651(PinName sda, PinName scl, int addr);
kevinkent 1:82f2ef52759e 53
kevinkent 1:82f2ef52759e 54 // int SetLed (int led, int mode);
kevinkent 1:82f2ef52759e 55 // int SetMode (int mask, int mode);
kevinkent 1:82f2ef52759e 56 // int Duty (int channel, float duty);
kevinkent 1:82f2ef52759e 57 // int Period (int channel, float period);
kevinkent 1:82f2ef52759e 58 int SetValue (int wiper, int value);
kevinkent 1:82f2ef52759e 59 int GetValue (int wiper);
kevinkent 1:82f2ef52759e 60
kevinkent 1:82f2ef52759e 61 protected:
kevinkent 1:82f2ef52759e 62
kevinkent 1:82f2ef52759e 63 void _write(int reg, int data);
kevinkent 1:82f2ef52759e 64 int _read(int reg);
kevinkent 1:82f2ef52759e 65 int _addr;
kevinkent 1:82f2ef52759e 66 I2C _i2c;
kevinkent 1:82f2ef52759e 67
kevinkent 1:82f2ef52759e 68 };
kevinkent 1:82f2ef52759e 69
kevinkent 1:82f2ef52759e 70
kevinkent 1:82f2ef52759e 71 #endif