Saad Khan / Mbed 2 deprecated AnimalSoundGame Featured

A game by Ibrahim Khan and Saad Khan

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed wave_player

A game made by Ibrahim Khan and Saad Khan for ECE4180 Lab 4

mpr121.cpp@0:cdde918d61ea, 2016-10-31 (annotated)

Committer:
gotmilk
Date:
Mon Oct 31 20:29:15 2016 +0000
Revision:
0:cdde918d61ea
Animal Sound Game by Ibrahim Khan and Saad Khan

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gotmilk 0:cdde918d61ea 1 /*
gotmilk 0:cdde918d61ea 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
gotmilk 0:cdde918d61ea 3
gotmilk 0:cdde918d61ea 4 Permission is hereby granted, free of charge, to any person obtaining a copy
gotmilk 0:cdde918d61ea 5 of this software and associated documentation files (the "Software"), to deal
gotmilk 0:cdde918d61ea 6 in the Software without restriction, including without limitation the rights
gotmilk 0:cdde918d61ea 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gotmilk 0:cdde918d61ea 8 copies of the Software, and to permit persons to whom the Software is
gotmilk 0:cdde918d61ea 9 furnished to do so, subject to the following conditions:
gotmilk 0:cdde918d61ea 10
gotmilk 0:cdde918d61ea 11 The above copyright notice and this permission notice shall be included in
gotmilk 0:cdde918d61ea 12 all copies or substantial portions of the Software.
gotmilk 0:cdde918d61ea 13
gotmilk 0:cdde918d61ea 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gotmilk 0:cdde918d61ea 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gotmilk 0:cdde918d61ea 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gotmilk 0:cdde918d61ea 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gotmilk 0:cdde918d61ea 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gotmilk 0:cdde918d61ea 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
gotmilk 0:cdde918d61ea 20 THE SOFTWARE.
gotmilk 0:cdde918d61ea 21 */
gotmilk 0:cdde918d61ea 22
gotmilk 0:cdde918d61ea 23 #include <mbed.h>
gotmilk 0:cdde918d61ea 24 #include <sstream>
gotmilk 0:cdde918d61ea 25 #include <string>
gotmilk 0:cdde918d61ea 26 #include <list>
gotmilk 0:cdde918d61ea 27
gotmilk 0:cdde918d61ea 28 #include <mpr121.h>
gotmilk 0:cdde918d61ea 29
gotmilk 0:cdde918d61ea 30 Mpr121::Mpr121(I2C *i2c, Address i2cAddress)
gotmilk 0:cdde918d61ea 31 {
gotmilk 0:cdde918d61ea 32 this->i2c = i2c;
gotmilk 0:cdde918d61ea 33
gotmilk 0:cdde918d61ea 34 address = i2cAddress;
gotmilk 0:cdde918d61ea 35
gotmilk 0:cdde918d61ea 36 // Configure the MPR121 settings to default
gotmilk 0:cdde918d61ea 37 this->configureSettings();
gotmilk 0:cdde918d61ea 38 }
gotmilk 0:cdde918d61ea 39
gotmilk 0:cdde918d61ea 40
gotmilk 0:cdde918d61ea 41 void Mpr121::configureSettings()
gotmilk 0:cdde918d61ea 42 {
gotmilk 0:cdde918d61ea 43 // Put the MPR into setup mode
gotmilk 0:cdde918d61ea 44 this->write(ELE_CFG,0x00);
gotmilk 0:cdde918d61ea 45
gotmilk 0:cdde918d61ea 46 // Electrode filters for when data is > baseline
gotmilk 0:cdde918d61ea 47 unsigned char gtBaseline[] = {
gotmilk 0:cdde918d61ea 48 0x01, //MHD_R
gotmilk 0:cdde918d61ea 49 0x01, //NHD_R
gotmilk 0:cdde918d61ea 50 0x00, //NCL_R
gotmilk 0:cdde918d61ea 51 0x00 //FDL_R
gotmilk 0:cdde918d61ea 52 };
gotmilk 0:cdde918d61ea 53
gotmilk 0:cdde918d61ea 54 writeMany(MHD_R,gtBaseline,4);
gotmilk 0:cdde918d61ea 55
gotmilk 0:cdde918d61ea 56 // Electrode filters for when data is < baseline
gotmilk 0:cdde918d61ea 57 unsigned char ltBaseline[] = {
gotmilk 0:cdde918d61ea 58 0x01, //MHD_F
gotmilk 0:cdde918d61ea 59 0x01, //NHD_F
gotmilk 0:cdde918d61ea 60 0xFF, //NCL_F
gotmilk 0:cdde918d61ea 61 0x02 //FDL_F
gotmilk 0:cdde918d61ea 62 };
gotmilk 0:cdde918d61ea 63
gotmilk 0:cdde918d61ea 64 writeMany(MHD_F,ltBaseline,4);
gotmilk 0:cdde918d61ea 65
gotmilk 0:cdde918d61ea 66 // Electrode touch and release thresholds
gotmilk 0:cdde918d61ea 67 unsigned char electrodeThresholds[] = {
gotmilk 0:cdde918d61ea 68 E_THR_T, // Touch Threshhold
gotmilk 0:cdde918d61ea 69 E_THR_R // Release Threshold
gotmilk 0:cdde918d61ea 70 };
gotmilk 0:cdde918d61ea 71
gotmilk 0:cdde918d61ea 72 for(int i=0; i<12; i++){
gotmilk 0:cdde918d61ea 73 int result = writeMany((ELE0_T+(i*2)),electrodeThresholds,2);
gotmilk 0:cdde918d61ea 74 }
gotmilk 0:cdde918d61ea 75
gotmilk 0:cdde918d61ea 76 // Proximity Settings
gotmilk 0:cdde918d61ea 77 unsigned char proximitySettings[] = {
gotmilk 0:cdde918d61ea 78 0xff, //MHD_Prox_R
gotmilk 0:cdde918d61ea 79 0xff, //NHD_Prox_R
gotmilk 0:cdde918d61ea 80 0x00, //NCL_Prox_R
gotmilk 0:cdde918d61ea 81 0x00, //FDL_Prox_R
gotmilk 0:cdde918d61ea 82 0x01, //MHD_Prox_F
gotmilk 0:cdde918d61ea 83 0x01, //NHD_Prox_F
gotmilk 0:cdde918d61ea 84 0xFF, //NCL_Prox_F
gotmilk 0:cdde918d61ea 85 0xff, //FDL_Prox_F
gotmilk 0:cdde918d61ea 86 0x00, //NHD_Prox_T
gotmilk 0:cdde918d61ea 87 0x00, //NCL_Prox_T
gotmilk 0:cdde918d61ea 88 0x00 //NFD_Prox_T
gotmilk 0:cdde918d61ea 89 };
gotmilk 0:cdde918d61ea 90 writeMany(MHDPROXR,proximitySettings,11);
gotmilk 0:cdde918d61ea 91
gotmilk 0:cdde918d61ea 92 unsigned char proxThresh[] = {
gotmilk 0:cdde918d61ea 93 PROX_THR_T, // Touch Threshold
gotmilk 0:cdde918d61ea 94 PROX_THR_R // Release Threshold
gotmilk 0:cdde918d61ea 95 };
gotmilk 0:cdde918d61ea 96 writeMany(EPROXTTH,proxThresh,2);
gotmilk 0:cdde918d61ea 97
gotmilk 0:cdde918d61ea 98 this->write(FIL_CFG,0x04);
gotmilk 0:cdde918d61ea 99
gotmilk 0:cdde918d61ea 100 // Set the electrode config to transition to active mode
gotmilk 0:cdde918d61ea 101 this->write(ELE_CFG,0x0c);
gotmilk 0:cdde918d61ea 102 }
gotmilk 0:cdde918d61ea 103
gotmilk 0:cdde918d61ea 104 void Mpr121::setElectrodeThreshold(int electrode, unsigned char touch, unsigned char release){
gotmilk 0:cdde918d61ea 105
gotmilk 0:cdde918d61ea 106 if(electrode > 11) return;
gotmilk 0:cdde918d61ea 107
gotmilk 0:cdde918d61ea 108 // Get the current mode
gotmilk 0:cdde918d61ea 109 unsigned char mode = this->read(ELE_CFG);
gotmilk 0:cdde918d61ea 110
gotmilk 0:cdde918d61ea 111 // Put the MPR into setup mode
gotmilk 0:cdde918d61ea 112 this->write(ELE_CFG,0x00);
gotmilk 0:cdde918d61ea 113
gotmilk 0:cdde918d61ea 114 // Write the new threshold
gotmilk 0:cdde918d61ea 115 this->write((ELE0_T+(electrode*2)), touch);
gotmilk 0:cdde918d61ea 116 this->write((ELE0_T+(electrode*2)+1), release);
gotmilk 0:cdde918d61ea 117
gotmilk 0:cdde918d61ea 118 //Restore the operating mode
gotmilk 0:cdde918d61ea 119 this->write(ELE_CFG, mode);
gotmilk 0:cdde918d61ea 120 }
gotmilk 0:cdde918d61ea 121
gotmilk 0:cdde918d61ea 122
gotmilk 0:cdde918d61ea 123 unsigned char Mpr121::read(int key){
gotmilk 0:cdde918d61ea 124
gotmilk 0:cdde918d61ea 125 unsigned char data[2];
gotmilk 0:cdde918d61ea 126
gotmilk 0:cdde918d61ea 127 //Start the command
gotmilk 0:cdde918d61ea 128 i2c->start();
gotmilk 0:cdde918d61ea 129
gotmilk 0:cdde918d61ea 130 // Address the target (Write mode)
gotmilk 0:cdde918d61ea 131 int ack1= i2c->write(address);
gotmilk 0:cdde918d61ea 132
gotmilk 0:cdde918d61ea 133 // Set the register key to read
gotmilk 0:cdde918d61ea 134 int ack2 = i2c->write(key);
gotmilk 0:cdde918d61ea 135
gotmilk 0:cdde918d61ea 136 // Re-start for read of data
gotmilk 0:cdde918d61ea 137 i2c->start();
gotmilk 0:cdde918d61ea 138
gotmilk 0:cdde918d61ea 139 // Re-send the target address in read mode
gotmilk 0:cdde918d61ea 140 int ack3 = i2c->write(address+1);
gotmilk 0:cdde918d61ea 141
gotmilk 0:cdde918d61ea 142 // Read in the result
gotmilk 0:cdde918d61ea 143 data[0] = i2c->read(0);
gotmilk 0:cdde918d61ea 144
gotmilk 0:cdde918d61ea 145 // Reset the bus
gotmilk 0:cdde918d61ea 146 i2c->stop();
gotmilk 0:cdde918d61ea 147
gotmilk 0:cdde918d61ea 148 return data[0];
gotmilk 0:cdde918d61ea 149 }
gotmilk 0:cdde918d61ea 150
gotmilk 0:cdde918d61ea 151
gotmilk 0:cdde918d61ea 152 int Mpr121::write(int key, unsigned char value){
gotmilk 0:cdde918d61ea 153
gotmilk 0:cdde918d61ea 154 //Start the command
gotmilk 0:cdde918d61ea 155 i2c->start();
gotmilk 0:cdde918d61ea 156
gotmilk 0:cdde918d61ea 157 // Address the target (Write mode)
gotmilk 0:cdde918d61ea 158 int ack1= i2c->write(address);
gotmilk 0:cdde918d61ea 159
gotmilk 0:cdde918d61ea 160 // Set the register key to write
gotmilk 0:cdde918d61ea 161 int ack2 = i2c->write(key);
gotmilk 0:cdde918d61ea 162
gotmilk 0:cdde918d61ea 163 // Read in the result
gotmilk 0:cdde918d61ea 164 int ack3 = i2c->write(value);
gotmilk 0:cdde918d61ea 165
gotmilk 0:cdde918d61ea 166 // Reset the bus
gotmilk 0:cdde918d61ea 167 i2c->stop();
gotmilk 0:cdde918d61ea 168
gotmilk 0:cdde918d61ea 169 return (ack1+ack2+ack3)-3;
gotmilk 0:cdde918d61ea 170 }
gotmilk 0:cdde918d61ea 171
gotmilk 0:cdde918d61ea 172
gotmilk 0:cdde918d61ea 173 int Mpr121::writeMany(int start, unsigned char* dataSet, int length){
gotmilk 0:cdde918d61ea 174 //Start the command
gotmilk 0:cdde918d61ea 175 i2c->start();
gotmilk 0:cdde918d61ea 176
gotmilk 0:cdde918d61ea 177 // Address the target (Write mode)
gotmilk 0:cdde918d61ea 178 int ack= i2c->write(address);
gotmilk 0:cdde918d61ea 179 if(ack!=1){
gotmilk 0:cdde918d61ea 180 return -1;
gotmilk 0:cdde918d61ea 181 }
gotmilk 0:cdde918d61ea 182
gotmilk 0:cdde918d61ea 183 // Set the register key to write
gotmilk 0:cdde918d61ea 184 ack = i2c->write(start);
gotmilk 0:cdde918d61ea 185 if(ack!=1){
gotmilk 0:cdde918d61ea 186 return -1;
gotmilk 0:cdde918d61ea 187 }
gotmilk 0:cdde918d61ea 188
gotmilk 0:cdde918d61ea 189 // Write the date set
gotmilk 0:cdde918d61ea 190 int count = 0;
gotmilk 0:cdde918d61ea 191 while(ack==1 && (count < length)){
gotmilk 0:cdde918d61ea 192 ack = i2c->write(dataSet[count]);
gotmilk 0:cdde918d61ea 193 count++;
gotmilk 0:cdde918d61ea 194 }
gotmilk 0:cdde918d61ea 195 // Stop the cmd
gotmilk 0:cdde918d61ea 196 i2c->stop();
gotmilk 0:cdde918d61ea 197
gotmilk 0:cdde918d61ea 198 return count;
gotmilk 0:cdde918d61ea 199 }
gotmilk 0:cdde918d61ea 200
gotmilk 0:cdde918d61ea 201
gotmilk 0:cdde918d61ea 202 bool Mpr121::getProximityMode(){
gotmilk 0:cdde918d61ea 203 if(this->read(ELE_CFG) > 0x0c)
gotmilk 0:cdde918d61ea 204 return true;
gotmilk 0:cdde918d61ea 205 else
gotmilk 0:cdde918d61ea 206 return false;
gotmilk 0:cdde918d61ea 207 }
gotmilk 0:cdde918d61ea 208
gotmilk 0:cdde918d61ea 209 void Mpr121::setProximityMode(bool mode){
gotmilk 0:cdde918d61ea 210 this->write(ELE_CFG,0x00);
gotmilk 0:cdde918d61ea 211 if(mode){
gotmilk 0:cdde918d61ea 212 this->write(ELE_CFG,0x30); //Sense proximity from ALL pads
gotmilk 0:cdde918d61ea 213 } else {
gotmilk 0:cdde918d61ea 214 this->write(ELE_CFG,0x0c); //Sense touch, all 12 pads active.
gotmilk 0:cdde918d61ea 215 }
gotmilk 0:cdde918d61ea 216 }
gotmilk 0:cdde918d61ea 217
gotmilk 0:cdde918d61ea 218
gotmilk 0:cdde918d61ea 219 int Mpr121::readTouchData(){
gotmilk 0:cdde918d61ea 220 return this->read(0x00);
gotmilk 0:cdde918d61ea 221 }