Chris Zagel / YGE25i

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YGE25i.cpp@3:01ad25aaff55, 2011-02-04 (annotated)

Committer:
VipaSpeed
Date:
Fri Feb 04 18:55:44 2011 +0000
Revision:
3:01ad25aaff55
Parent:
2:3b81b375ced3
Child:
4:b6183c27ddfe
V1.2

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 1:892cfa205088 35 YGE25i::YGE25i(PinName sda, PinName scl,int adress_) : i2c_(sda, scl){
VipaSpeed 1:892cfa205088 36
VipaSpeed 0:288363538e78 37 //200kHz, normal mode.
VipaSpeed 0:288363538e78 38 i2c_.frequency(200000);
VipaSpeed 0:288363538e78 39 adress=adress_;
VipaSpeed 1:892cfa205088 40 //save_.attach_us(this,&YGE25i::YGESetPWMSave,1000);
VipaSpeed 1:892cfa205088 41
VipaSpeed 0:288363538e78 42 }
VipaSpeed 0:288363538e78 43
VipaSpeed 1:892cfa205088 44 char YGE25i::YGEReadReg(char reg){
VipaSpeed 1:892cfa205088 45
VipaSpeed 0:288363538e78 46 char rx;
VipaSpeed 0:288363538e78 47 reg=reg|0x80;
VipaSpeed 0:288363538e78 48 int ack=1;
VipaSpeed 0:288363538e78 49 ack=i2c_.write(adress & 0xFE, &reg, 1);
VipaSpeed 0:288363538e78 50 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 51 ack=i2c_.read(adress | 0x01, &rx, 1);
VipaSpeed 0:288363538e78 52 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 53 return rx;
VipaSpeed 0:288363538e78 54
VipaSpeed 0:288363538e78 55 }
VipaSpeed 0:288363538e78 56
VipaSpeed 1:892cfa205088 57 int YGE25i::YGEWriteReg(char reg, char data){
VipaSpeed 1:892cfa205088 58
VipaSpeed 0:288363538e78 59 char tx[2];
VipaSpeed 0:288363538e78 60 int ack=1;
VipaSpeed 0:288363538e78 61 tx[0] = reg|0x80;
VipaSpeed 0:288363538e78 62 tx[1] = data;
VipaSpeed 0:288363538e78 63
VipaSpeed 0:288363538e78 64 ack=i2c_.write(adress & 0xFE, tx, 2);
VipaSpeed 0:288363538e78 65 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 66 else
VipaSpeed 0:288363538e78 67 return 0;
VipaSpeed 0:288363538e78 68
VipaSpeed 0:288363538e78 69 }
VipaSpeed 0:288363538e78 70
VipaSpeed 0:288363538e78 71
VipaSpeed 1:892cfa205088 72 int YGE25i::YGESetPWM( char pwm_){
VipaSpeed 1:892cfa205088 73
VipaSpeed 0:288363538e78 74 pwm=pwm_;
VipaSpeed 0:288363538e78 75 char tx;
VipaSpeed 0:288363538e78 76 tx=pwm_ & 0x7f;
VipaSpeed 0:288363538e78 77 int ack;
VipaSpeed 0:288363538e78 78 ack=i2c_.write(adress & 0xFE, &tx, 1);
VipaSpeed 0:288363538e78 79 if(ack!=0){return 255;}
VipaSpeed 0:288363538e78 80 else
VipaSpeed 0:288363538e78 81 return 0;
VipaSpeed 0:288363538e78 82
VipaSpeed 0:288363538e78 83 }
VipaSpeed 0:288363538e78 84
VipaSpeed 1:892cfa205088 85 void YGE25i::setAdress(int adress_){
VipaSpeed 1:892cfa205088 86
VipaSpeed 0:288363538e78 87 adress=adress_;
VipaSpeed 1:892cfa205088 88 }
VipaSpeed 1:892cfa205088 89
VipaSpeed 2:3b81b375ced3 90
VipaSpeed 1:892cfa205088 91 void YGE25i::YGESetPWMSave(void){
VipaSpeed 0:288363538e78 92 char tx;
VipaSpeed 0:288363538e78 93 tx=pwm & 0x7f;
VipaSpeed 0:288363538e78 94 i2c_.write(adress & 0xFE, &tx, 1);
VipaSpeed 0:288363538e78 95 }
VipaSpeed 2:3b81b375ced3 96
VipaSpeed 2:3b81b375ced3 97 void YGE25i::setPWM(int pwm_){
VipaSpeed 2:3b81b375ced3 98
VipaSpeed 2:3b81b375ced3 99 pwm=pwm_;
VipaSpeed 3:01ad25aaff55 100 }
VipaSpeed 3:01ad25aaff55 101
VipaSpeed 3:01ad25aaff55 102 void YGE25i::initYGE(void){
VipaSpeed 3:01ad25aaff55 103
VipaSpeed 3:01ad25aaff55 104 for(int a=0;a<=40;a++){
VipaSpeed 3:01ad25aaff55 105
VipaSpeed 3:01ad25aaff55 106 wait_ms(10);
VipaSpeed 3:01ad25aaff55 107 YGESetPWM(0);
VipaSpeed 3:01ad25aaff55 108
VipaSpeed 3:01ad25aaff55 109 }
VipaSpeed 3:01ad25aaff55 110 wait_ms(20);
VipaSpeed 3:01ad25aaff55 111 }