Decker Onken / Mbed 2 deprecated sudoku

Sudoku Game using the LCD, joystick, number pad, and speaker.

Dependencies:   4DGL-uLCD-SE SDFileSystem mbed-rtos mbed wave_player_copy

Fork of rtos_basic by mbed official

mpr121.cpp@7:a935e2f5ebd0, 2016-11-03 (annotated)

Committer:
decfrv
Date:
Thu Nov 03 14:45:00 2016 +0000
Revision:
7:a935e2f5ebd0
Sudoku Game

Who changed what in which revision?

UserRevisionLine numberNew contents of line
decfrv 7:a935e2f5ebd0 1 /*
decfrv 7:a935e2f5ebd0 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
decfrv 7:a935e2f5ebd0 3
decfrv 7:a935e2f5ebd0 4 Permission is hereby granted, free of charge, to any person obtaining a copy
decfrv 7:a935e2f5ebd0 5 of this software and associated documentation files (the "Software"), to deal
decfrv 7:a935e2f5ebd0 6 in the Software without restriction, including without limitation the rights
decfrv 7:a935e2f5ebd0 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
decfrv 7:a935e2f5ebd0 8 copies of the Software, and to permit persons to whom the Software is
decfrv 7:a935e2f5ebd0 9 furnished to do so, subject to the following conditions:
decfrv 7:a935e2f5ebd0 10
decfrv 7:a935e2f5ebd0 11 The above copyright notice and this permission notice shall be included in
decfrv 7:a935e2f5ebd0 12 all copies or substantial portions of the Software.
decfrv 7:a935e2f5ebd0 13
decfrv 7:a935e2f5ebd0 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
decfrv 7:a935e2f5ebd0 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
decfrv 7:a935e2f5ebd0 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
decfrv 7:a935e2f5ebd0 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
decfrv 7:a935e2f5ebd0 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
decfrv 7:a935e2f5ebd0 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
decfrv 7:a935e2f5ebd0 20 THE SOFTWARE.
decfrv 7:a935e2f5ebd0 21 */
decfrv 7:a935e2f5ebd0 22
decfrv 7:a935e2f5ebd0 23 #include <mbed.h>
decfrv 7:a935e2f5ebd0 24 #include <sstream>
decfrv 7:a935e2f5ebd0 25 #include <string>
decfrv 7:a935e2f5ebd0 26 #include <list>
decfrv 7:a935e2f5ebd0 27
decfrv 7:a935e2f5ebd0 28 #include <mpr121.h>
decfrv 7:a935e2f5ebd0 29
decfrv 7:a935e2f5ebd0 30 Mpr121::Mpr121(I2C *i2c, Address i2cAddress)
decfrv 7:a935e2f5ebd0 31 {
decfrv 7:a935e2f5ebd0 32 this->i2c = i2c;
decfrv 7:a935e2f5ebd0 33
decfrv 7:a935e2f5ebd0 34 address = i2cAddress;
decfrv 7:a935e2f5ebd0 35
decfrv 7:a935e2f5ebd0 36 // Configure the MPR121 settings to default
decfrv 7:a935e2f5ebd0 37 this->configureSettings();
decfrv 7:a935e2f5ebd0 38 }
decfrv 7:a935e2f5ebd0 39
decfrv 7:a935e2f5ebd0 40
decfrv 7:a935e2f5ebd0 41 void Mpr121::configureSettings()
decfrv 7:a935e2f5ebd0 42 {
decfrv 7:a935e2f5ebd0 43 // Put the MPR into setup mode
decfrv 7:a935e2f5ebd0 44 this->write(ELE_CFG,0x00);
decfrv 7:a935e2f5ebd0 45
decfrv 7:a935e2f5ebd0 46 // Electrode filters for when data is > baseline
decfrv 7:a935e2f5ebd0 47 unsigned char gtBaseline[] = {
decfrv 7:a935e2f5ebd0 48 0x01, //MHD_R
decfrv 7:a935e2f5ebd0 49 0x01, //NHD_R
decfrv 7:a935e2f5ebd0 50 0x00, //NCL_R
decfrv 7:a935e2f5ebd0 51 0x00 //FDL_R
decfrv 7:a935e2f5ebd0 52 };
decfrv 7:a935e2f5ebd0 53
decfrv 7:a935e2f5ebd0 54 writeMany(MHD_R,gtBaseline,4);
decfrv 7:a935e2f5ebd0 55
decfrv 7:a935e2f5ebd0 56 // Electrode filters for when data is < baseline
decfrv 7:a935e2f5ebd0 57 unsigned char ltBaseline[] = {
decfrv 7:a935e2f5ebd0 58 0x01, //MHD_F
decfrv 7:a935e2f5ebd0 59 0x01, //NHD_F
decfrv 7:a935e2f5ebd0 60 0xFF, //NCL_F
decfrv 7:a935e2f5ebd0 61 0x02 //FDL_F
decfrv 7:a935e2f5ebd0 62 };
decfrv 7:a935e2f5ebd0 63
decfrv 7:a935e2f5ebd0 64 writeMany(MHD_F,ltBaseline,4);
decfrv 7:a935e2f5ebd0 65
decfrv 7:a935e2f5ebd0 66 // Electrode touch and release thresholds
decfrv 7:a935e2f5ebd0 67 unsigned char electrodeThresholds[] = {
decfrv 7:a935e2f5ebd0 68 E_THR_T, // Touch Threshhold
decfrv 7:a935e2f5ebd0 69 E_THR_R // Release Threshold
decfrv 7:a935e2f5ebd0 70 };
decfrv 7:a935e2f5ebd0 71
decfrv 7:a935e2f5ebd0 72 for(int i=0; i<12; i++){
decfrv 7:a935e2f5ebd0 73 int result = writeMany((ELE0_T+(i*2)),electrodeThresholds,2);
decfrv 7:a935e2f5ebd0 74 }
decfrv 7:a935e2f5ebd0 75
decfrv 7:a935e2f5ebd0 76 // Proximity Settings
decfrv 7:a935e2f5ebd0 77 unsigned char proximitySettings[] = {
decfrv 7:a935e2f5ebd0 78 0xff, //MHD_Prox_R
decfrv 7:a935e2f5ebd0 79 0xff, //NHD_Prox_R
decfrv 7:a935e2f5ebd0 80 0x00, //NCL_Prox_R
decfrv 7:a935e2f5ebd0 81 0x00, //FDL_Prox_R
decfrv 7:a935e2f5ebd0 82 0x01, //MHD_Prox_F
decfrv 7:a935e2f5ebd0 83 0x01, //NHD_Prox_F
decfrv 7:a935e2f5ebd0 84 0xFF, //NCL_Prox_F
decfrv 7:a935e2f5ebd0 85 0xff, //FDL_Prox_F
decfrv 7:a935e2f5ebd0 86 0x00, //NHD_Prox_T
decfrv 7:a935e2f5ebd0 87 0x00, //NCL_Prox_T
decfrv 7:a935e2f5ebd0 88 0x00 //NFD_Prox_T
decfrv 7:a935e2f5ebd0 89 };
decfrv 7:a935e2f5ebd0 90 writeMany(MHDPROXR,proximitySettings,11);
decfrv 7:a935e2f5ebd0 91
decfrv 7:a935e2f5ebd0 92 unsigned char proxThresh[] = {
decfrv 7:a935e2f5ebd0 93 PROX_THR_T, // Touch Threshold
decfrv 7:a935e2f5ebd0 94 PROX_THR_R // Release Threshold
decfrv 7:a935e2f5ebd0 95 };
decfrv 7:a935e2f5ebd0 96 writeMany(EPROXTTH,proxThresh,2);
decfrv 7:a935e2f5ebd0 97
decfrv 7:a935e2f5ebd0 98 this->write(FIL_CFG,0x04);
decfrv 7:a935e2f5ebd0 99
decfrv 7:a935e2f5ebd0 100 // Set the electrode config to transition to active mode
decfrv 7:a935e2f5ebd0 101 this->write(ELE_CFG,0x0c);
decfrv 7:a935e2f5ebd0 102 }
decfrv 7:a935e2f5ebd0 103
decfrv 7:a935e2f5ebd0 104 void Mpr121::setElectrodeThreshold(int electrode, unsigned char touch, unsigned char release){
decfrv 7:a935e2f5ebd0 105
decfrv 7:a935e2f5ebd0 106 if(electrode > 11) return;
decfrv 7:a935e2f5ebd0 107
decfrv 7:a935e2f5ebd0 108 // Get the current mode
decfrv 7:a935e2f5ebd0 109 unsigned char mode = this->read(ELE_CFG);
decfrv 7:a935e2f5ebd0 110
decfrv 7:a935e2f5ebd0 111 // Put the MPR into setup mode
decfrv 7:a935e2f5ebd0 112 this->write(ELE_CFG,0x00);
decfrv 7:a935e2f5ebd0 113
decfrv 7:a935e2f5ebd0 114 // Write the new threshold
decfrv 7:a935e2f5ebd0 115 this->write((ELE0_T+(electrode*2)), touch);
decfrv 7:a935e2f5ebd0 116 this->write((ELE0_T+(electrode*2)+1), release);
decfrv 7:a935e2f5ebd0 117
decfrv 7:a935e2f5ebd0 118 //Restore the operating mode
decfrv 7:a935e2f5ebd0 119 this->write(ELE_CFG, mode);
decfrv 7:a935e2f5ebd0 120 }
decfrv 7:a935e2f5ebd0 121
decfrv 7:a935e2f5ebd0 122
decfrv 7:a935e2f5ebd0 123 unsigned char Mpr121::read(int key){
decfrv 7:a935e2f5ebd0 124
decfrv 7:a935e2f5ebd0 125 unsigned char data[2];
decfrv 7:a935e2f5ebd0 126
decfrv 7:a935e2f5ebd0 127 //Start the command
decfrv 7:a935e2f5ebd0 128 i2c->start();
decfrv 7:a935e2f5ebd0 129
decfrv 7:a935e2f5ebd0 130 // Address the target (Write mode)
decfrv 7:a935e2f5ebd0 131 int ack1= i2c->write(address);
decfrv 7:a935e2f5ebd0 132
decfrv 7:a935e2f5ebd0 133 // Set the register key to read
decfrv 7:a935e2f5ebd0 134 int ack2 = i2c->write(key);
decfrv 7:a935e2f5ebd0 135
decfrv 7:a935e2f5ebd0 136 // Re-start for read of data
decfrv 7:a935e2f5ebd0 137 i2c->start();
decfrv 7:a935e2f5ebd0 138
decfrv 7:a935e2f5ebd0 139 // Re-send the target address in read mode
decfrv 7:a935e2f5ebd0 140 int ack3 = i2c->write(address+1);
decfrv 7:a935e2f5ebd0 141
decfrv 7:a935e2f5ebd0 142 // Read in the result
decfrv 7:a935e2f5ebd0 143 data[0] = i2c->read(0);
decfrv 7:a935e2f5ebd0 144
decfrv 7:a935e2f5ebd0 145 // Reset the bus
decfrv 7:a935e2f5ebd0 146 i2c->stop();
decfrv 7:a935e2f5ebd0 147
decfrv 7:a935e2f5ebd0 148 return data[0];
decfrv 7:a935e2f5ebd0 149 }
decfrv 7:a935e2f5ebd0 150
decfrv 7:a935e2f5ebd0 151
decfrv 7:a935e2f5ebd0 152 int Mpr121::write(int key, unsigned char value){
decfrv 7:a935e2f5ebd0 153
decfrv 7:a935e2f5ebd0 154 //Start the command
decfrv 7:a935e2f5ebd0 155 i2c->start();
decfrv 7:a935e2f5ebd0 156
decfrv 7:a935e2f5ebd0 157 // Address the target (Write mode)
decfrv 7:a935e2f5ebd0 158 int ack1= i2c->write(address);
decfrv 7:a935e2f5ebd0 159
decfrv 7:a935e2f5ebd0 160 // Set the register key to write
decfrv 7:a935e2f5ebd0 161 int ack2 = i2c->write(key);
decfrv 7:a935e2f5ebd0 162
decfrv 7:a935e2f5ebd0 163 // Read in the result
decfrv 7:a935e2f5ebd0 164 int ack3 = i2c->write(value);
decfrv 7:a935e2f5ebd0 165
decfrv 7:a935e2f5ebd0 166 // Reset the bus
decfrv 7:a935e2f5ebd0 167 i2c->stop();
decfrv 7:a935e2f5ebd0 168
decfrv 7:a935e2f5ebd0 169 return (ack1+ack2+ack3)-3;
decfrv 7:a935e2f5ebd0 170 }
decfrv 7:a935e2f5ebd0 171
decfrv 7:a935e2f5ebd0 172
decfrv 7:a935e2f5ebd0 173 int Mpr121::writeMany(int start, unsigned char* dataSet, int length){
decfrv 7:a935e2f5ebd0 174 //Start the command
decfrv 7:a935e2f5ebd0 175 i2c->start();
decfrv 7:a935e2f5ebd0 176
decfrv 7:a935e2f5ebd0 177 // Address the target (Write mode)
decfrv 7:a935e2f5ebd0 178 int ack= i2c->write(address);
decfrv 7:a935e2f5ebd0 179 if(ack!=1){
decfrv 7:a935e2f5ebd0 180 return -1;
decfrv 7:a935e2f5ebd0 181 }
decfrv 7:a935e2f5ebd0 182
decfrv 7:a935e2f5ebd0 183 // Set the register key to write
decfrv 7:a935e2f5ebd0 184 ack = i2c->write(start);
decfrv 7:a935e2f5ebd0 185 if(ack!=1){
decfrv 7:a935e2f5ebd0 186 return -1;
decfrv 7:a935e2f5ebd0 187 }
decfrv 7:a935e2f5ebd0 188
decfrv 7:a935e2f5ebd0 189 // Write the date set
decfrv 7:a935e2f5ebd0 190 int count = 0;
decfrv 7:a935e2f5ebd0 191 while(ack==1 && (count < length)){
decfrv 7:a935e2f5ebd0 192 ack = i2c->write(dataSet[count]);
decfrv 7:a935e2f5ebd0 193 count++;
decfrv 7:a935e2f5ebd0 194 }
decfrv 7:a935e2f5ebd0 195 // Stop the cmd
decfrv 7:a935e2f5ebd0 196 i2c->stop();
decfrv 7:a935e2f5ebd0 197
decfrv 7:a935e2f5ebd0 198 return count;
decfrv 7:a935e2f5ebd0 199 }
decfrv 7:a935e2f5ebd0 200
decfrv 7:a935e2f5ebd0 201
decfrv 7:a935e2f5ebd0 202 bool Mpr121::getProximityMode(){
decfrv 7:a935e2f5ebd0 203 if(this->read(ELE_CFG) > 0x0c)
decfrv 7:a935e2f5ebd0 204 return true;
decfrv 7:a935e2f5ebd0 205 else
decfrv 7:a935e2f5ebd0 206 return false;
decfrv 7:a935e2f5ebd0 207 }
decfrv 7:a935e2f5ebd0 208
decfrv 7:a935e2f5ebd0 209 void Mpr121::setProximityMode(bool mode){
decfrv 7:a935e2f5ebd0 210 this->write(ELE_CFG,0x00);
decfrv 7:a935e2f5ebd0 211 if(mode){
decfrv 7:a935e2f5ebd0 212 this->write(ELE_CFG,0x30); //Sense proximity from ALL pads
decfrv 7:a935e2f5ebd0 213 } else {
decfrv 7:a935e2f5ebd0 214 this->write(ELE_CFG,0x0c); //Sense touch, all 12 pads active.
decfrv 7:a935e2f5ebd0 215 }
decfrv 7:a935e2f5ebd0 216 }
decfrv 7:a935e2f5ebd0 217
decfrv 7:a935e2f5ebd0 218
decfrv 7:a935e2f5ebd0 219 int Mpr121::readTouchData(){
decfrv 7:a935e2f5ebd0 220 return this->read(0x00);
decfrv 7:a935e2f5ebd0 221 }