Chris Zagel / YGE25i

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YGE25i.cpp@0:288363538e78, 2010-11-27 (annotated)

Committer:
VipaSpeed
Date:
Sat Nov 27 21:00:12 2010 +0000
Revision:
0:288363538e78
Child:
1:892cfa205088
V0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
VipaSpeed 0:288363538e78 1 /**
VipaSpeed 0:288363538e78 2 * @section LICENSE
VipaSpeed 0:288363538e78 3 *
VipaSpeed 0:288363538e78 4 * Copyright (c) 2010 Christian Zagel
VipaSpeed 0:288363538e78 5 *
VipaSpeed 0:288363538e78 6 * Permission is hereby granted, free of charge, to any person obtaining a copy
VipaSpeed 0:288363538e78 7 * of this software and associated documentation files (the "Software"), to deal
VipaSpeed 0:288363538e78 8 * in the Software without restriction, including without limitation the rights
VipaSpeed 0:288363538e78 9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
VipaSpeed 0:288363538e78 10 * copies of the Software, and to permit persons to whom the Software is
VipaSpeed 0:288363538e78 11 * furnished to do so, subject to the following conditions:
VipaSpeed 0:288363538e78 12 *
VipaSpeed 0:288363538e78 13 * The above copyright notice and this permission notice shall be included in
VipaSpeed 0:288363538e78 14 * all copies or substantial portions of the Software.
VipaSpeed 0:288363538e78 15 *
VipaSpeed 0:288363538e78 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
VipaSpeed 0:288363538e78 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
VipaSpeed 0:288363538e78 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
VipaSpeed 0:288363538e78 19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
VipaSpeed 0:288363538e78 20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
VipaSpeed 0:288363538e78 21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
VipaSpeed 0:288363538e78 22 * THE SOFTWARE.
VipaSpeed 0:288363538e78 23 *
VipaSpeed 0:288363538e78 24 * @section DESCRIPTION
VipaSpeed 0:288363538e78 25 *
VipaSpeed 0:288363538e78 26 * YGE25i Regler
VipaSpeed 0:288363538e78 27 *
VipaSpeed 0:288363538e78 28 */
VipaSpeed 0:288363538e78 29
VipaSpeed 0:288363538e78 30 /**
VipaSpeed 0:288363538e78 31 * Includes
VipaSpeed 0:288363538e78 32 */
VipaSpeed 0:288363538e78 33 #include "YGE25i.h"
VipaSpeed 0:288363538e78 34
VipaSpeed 0:288363538e78 35 YGE25i::YGE25i(PinName sda, PinName scl,int adress_) : i2c_(sda, scl)
VipaSpeed 0:288363538e78 36 {
VipaSpeed 0:288363538e78 37 //200kHz, normal mode.
VipaSpeed 0:288363538e78 38 i2c_.frequency(200000);
VipaSpeed 0:288363538e78 39 adress=adress_;
VipaSpeed 0:288363538e78 40 save_.attach(this,&YGE25i::YGESetPWMSave,0.75);
VipaSpeed 0:288363538e78 41 int a=34;
VipaSpeed 0:288363538e78 42 while(a>0)
VipaSpeed 0:288363538e78 43 {
VipaSpeed 0:288363538e78 44 wait_ms(1);
VipaSpeed 0:288363538e78 45 YGESetPWM(0);
VipaSpeed 0:288363538e78 46 a--;
VipaSpeed 0:288363538e78 47 }
VipaSpeed 0:288363538e78 48 }
VipaSpeed 0:288363538e78 49
VipaSpeed 0:288363538e78 50 char YGE25i::YGEReadReg(char reg)
VipaSpeed 0:288363538e78 51 {
VipaSpeed 0:288363538e78 52 char rx;
VipaSpeed 0:288363538e78 53 reg=reg|0x80;
VipaSpeed 0:288363538e78 54 int ack=1;
VipaSpeed 0:288363538e78 55 ack=i2c_.write(adress & 0xFE, &reg, 1);
VipaSpeed 0:288363538e78 56 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 57 ack=i2c_.read(adress | 0x01, &rx, 1);
VipaSpeed 0:288363538e78 58 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 59 return rx;
VipaSpeed 0:288363538e78 60
VipaSpeed 0:288363538e78 61 }
VipaSpeed 0:288363538e78 62
VipaSpeed 0:288363538e78 63 int YGE25i::YGEWriteReg(char reg, char data)
VipaSpeed 0:288363538e78 64 {
VipaSpeed 0:288363538e78 65 char tx[2];
VipaSpeed 0:288363538e78 66 int ack=1;
VipaSpeed 0:288363538e78 67 tx[0] = reg|0x80;
VipaSpeed 0:288363538e78 68 tx[1] = data;
VipaSpeed 0:288363538e78 69
VipaSpeed 0:288363538e78 70 ack=i2c_.write(adress & 0xFE, tx, 2);
VipaSpeed 0:288363538e78 71 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 72 else
VipaSpeed 0:288363538e78 73 return 0;
VipaSpeed 0:288363538e78 74
VipaSpeed 0:288363538e78 75 }
VipaSpeed 0:288363538e78 76
VipaSpeed 0:288363538e78 77
VipaSpeed 0:288363538e78 78 int YGE25i::YGESetPWM( char pwm_)
VipaSpeed 0:288363538e78 79 {
VipaSpeed 0:288363538e78 80 pwm=pwm_;
VipaSpeed 0:288363538e78 81 char tx;
VipaSpeed 0:288363538e78 82 tx=pwm_ & 0x7f;
VipaSpeed 0:288363538e78 83 int ack;
VipaSpeed 0:288363538e78 84 ack=i2c_.write(adress & 0xFE, &tx, 1);
VipaSpeed 0:288363538e78 85 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 86 else
VipaSpeed 0:288363538e78 87 return 0;
VipaSpeed 0:288363538e78 88
VipaSpeed 0:288363538e78 89 }
VipaSpeed 0:288363538e78 90
VipaSpeed 0:288363538e78 91 void YGE25i::setAdress(int adress_)
VipaSpeed 0:288363538e78 92 {
VipaSpeed 0:288363538e78 93 adress=adress_;
VipaSpeed 0:288363538e78 94 }
VipaSpeed 0:288363538e78 95
VipaSpeed 0:288363538e78 96 void YGE25i::YGESetPWMSave(void)
VipaSpeed 0:288363538e78 97 {
VipaSpeed 0:288363538e78 98 char tx;
VipaSpeed 0:288363538e78 99 tx=pwm & 0x7f;
VipaSpeed 0:288363538e78 100 i2c_.write(adress & 0xFE, &tx, 1);
VipaSpeed 0:288363538e78 101 }
VipaSpeed 0:288363538e78 102
VipaSpeed 0:288363538e78 103