James Hawkins / Mbed 2 deprecated Beat_Demo_full_full

Demo of MP121 I2C touch sensors (playing piano keys)

Dependencies:   4DGL-uLCD-SE SDFileSystem Speaker mbed

mpr121.h@0:81b352a233ca, 2014-10-22 (annotated)

Committer:
jhawkins38
Date:
Wed Oct 22 01:17:25 2014 +0000
Revision:
0:81b352a233ca
passed playPtr to play method in wave_play class

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jhawkins38 0:81b352a233ca 1 /*
jhawkins38 0:81b352a233ca 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
jhawkins38 0:81b352a233ca 3
jhawkins38 0:81b352a233ca 4
jhawkins38 0:81b352a233ca 5 Permission is hereby granted, free of charge, to any person obtaining a copy
jhawkins38 0:81b352a233ca 6 of this software and associated documentation files (the "Software"), to deal
jhawkins38 0:81b352a233ca 7 in the Software without restriction, including without limitation the rights
jhawkins38 0:81b352a233ca 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
jhawkins38 0:81b352a233ca 9 copies of the Software, and to permit persons to whom the Software is
jhawkins38 0:81b352a233ca 10 furnished to do so, subject to the following conditions:
jhawkins38 0:81b352a233ca 11
jhawkins38 0:81b352a233ca 12 The above copyright notice and this permission notice shall be included in
jhawkins38 0:81b352a233ca 13 all copies or substantial portions of the Software.
jhawkins38 0:81b352a233ca 14
jhawkins38 0:81b352a233ca 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
jhawkins38 0:81b352a233ca 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
jhawkins38 0:81b352a233ca 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
jhawkins38 0:81b352a233ca 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
jhawkins38 0:81b352a233ca 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jhawkins38 0:81b352a233ca 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
jhawkins38 0:81b352a233ca 21 THE SOFTWARE.
jhawkins38 0:81b352a233ca 22
jhawkins38 0:81b352a233ca 23 Parts written by Jim Lindblom of Sparkfun
jhawkins38 0:81b352a233ca 24 Ported to mbed by A.Buckton, Feb 2011
jhawkins38 0:81b352a233ca 25 */
jhawkins38 0:81b352a233ca 26
jhawkins38 0:81b352a233ca 27 #ifndef MPR121_H
jhawkins38 0:81b352a233ca 28 #define MPR121_H
jhawkins38 0:81b352a233ca 29
jhawkins38 0:81b352a233ca 30 //using namespace std;
jhawkins38 0:81b352a233ca 31
jhawkins38 0:81b352a233ca 32 class Mpr121
jhawkins38 0:81b352a233ca 33 {
jhawkins38 0:81b352a233ca 34
jhawkins38 0:81b352a233ca 35 public:
jhawkins38 0:81b352a233ca 36 // i2c Addresses, bit-shifted
jhawkins38 0:81b352a233ca 37 enum Address { ADD_VSS = 0xb4,// ADD->VSS = 0x5a <-wiring on Sparkfun board
jhawkins38 0:81b352a233ca 38 ADD_VDD = 0xb6,// ADD->VDD = 0x5b
jhawkins38 0:81b352a233ca 39 ADD_SCL = 0xb8,// ADD->SDA = 0x5c
jhawkins38 0:81b352a233ca 40 ADD_SDA = 0xba // ADD->SCL = 0x5d
jhawkins38 0:81b352a233ca 41 };
jhawkins38 0:81b352a233ca 42
jhawkins38 0:81b352a233ca 43 // Real initialiser, takes the i2c address of the device.
jhawkins38 0:81b352a233ca 44 Mpr121(I2C *i2c, Address i2cAddress);
jhawkins38 0:81b352a233ca 45
jhawkins38 0:81b352a233ca 46 bool getProximityMode();
jhawkins38 0:81b352a233ca 47
jhawkins38 0:81b352a233ca 48 void setProximityMode(bool mode);
jhawkins38 0:81b352a233ca 49
jhawkins38 0:81b352a233ca 50 int readTouchData();
jhawkins38 0:81b352a233ca 51
jhawkins38 0:81b352a233ca 52 unsigned char read(int key);
jhawkins38 0:81b352a233ca 53
jhawkins38 0:81b352a233ca 54 int write(int address, unsigned char value);
jhawkins38 0:81b352a233ca 55 int writeMany(int start, unsigned char* dataSet, int length);
jhawkins38 0:81b352a233ca 56
jhawkins38 0:81b352a233ca 57 void setElectrodeThreshold(int electrodeId, unsigned char touchThreshold, unsigned char releaseThreshold);
jhawkins38 0:81b352a233ca 58
jhawkins38 0:81b352a233ca 59 protected:
jhawkins38 0:81b352a233ca 60 // Configures the MPR with standard settings. This is permitted to be overwritten by sub-classes.
jhawkins38 0:81b352a233ca 61 void configureSettings();
jhawkins38 0:81b352a233ca 62
jhawkins38 0:81b352a233ca 63 private:
jhawkins38 0:81b352a233ca 64 // The I2C bus instance.
jhawkins38 0:81b352a233ca 65 I2C *i2c;
jhawkins38 0:81b352a233ca 66
jhawkins38 0:81b352a233ca 67 // i2c address of this mpr121
jhawkins38 0:81b352a233ca 68 Address address;
jhawkins38 0:81b352a233ca 69 };
jhawkins38 0:81b352a233ca 70
jhawkins38 0:81b352a233ca 71
jhawkins38 0:81b352a233ca 72 // MPR121 Register Defines
jhawkins38 0:81b352a233ca 73 #define MHD_R 0x2B
jhawkins38 0:81b352a233ca 74 #define NHD_R 0x2C
jhawkins38 0:81b352a233ca 75 #define NCL_R 0x2D
jhawkins38 0:81b352a233ca 76 #define FDL_R 0x2E
jhawkins38 0:81b352a233ca 77 #define MHD_F 0x2F
jhawkins38 0:81b352a233ca 78 #define NHD_F 0x30
jhawkins38 0:81b352a233ca 79 #define NCL_F 0x31
jhawkins38 0:81b352a233ca 80 #define FDL_F 0x32
jhawkins38 0:81b352a233ca 81 #define NHDT 0x33
jhawkins38 0:81b352a233ca 82 #define NCLT 0x34
jhawkins38 0:81b352a233ca 83 #define FDLT 0x35
jhawkins38 0:81b352a233ca 84 // Proximity sensing controls
jhawkins38 0:81b352a233ca 85 #define MHDPROXR 0x36
jhawkins38 0:81b352a233ca 86 #define NHDPROXR 0x37
jhawkins38 0:81b352a233ca 87 #define NCLPROXR 0x38
jhawkins38 0:81b352a233ca 88 #define FDLPROXR 0x39
jhawkins38 0:81b352a233ca 89 #define MHDPROXF 0x3A
jhawkins38 0:81b352a233ca 90 #define NHDPROXF 0x3B
jhawkins38 0:81b352a233ca 91 #define NCLPROXF 0x3C
jhawkins38 0:81b352a233ca 92 #define FDLPROXF 0x3D
jhawkins38 0:81b352a233ca 93 #define NHDPROXT 0x3E
jhawkins38 0:81b352a233ca 94 #define NCLPROXT 0x3F
jhawkins38 0:81b352a233ca 95 #define FDLPROXT 0x40
jhawkins38 0:81b352a233ca 96 // Electrode Touch/Release thresholds
jhawkins38 0:81b352a233ca 97 #define ELE0_T 0x41
jhawkins38 0:81b352a233ca 98 #define ELE0_R 0x42
jhawkins38 0:81b352a233ca 99 #define ELE1_T 0x43
jhawkins38 0:81b352a233ca 100 #define ELE1_R 0x44
jhawkins38 0:81b352a233ca 101 #define ELE2_T 0x45
jhawkins38 0:81b352a233ca 102 #define ELE2_R 0x46
jhawkins38 0:81b352a233ca 103 #define ELE3_T 0x47
jhawkins38 0:81b352a233ca 104 #define ELE3_R 0x48
jhawkins38 0:81b352a233ca 105 #define ELE4_T 0x49
jhawkins38 0:81b352a233ca 106 #define ELE4_R 0x4A
jhawkins38 0:81b352a233ca 107 #define ELE5_T 0x4B
jhawkins38 0:81b352a233ca 108 #define ELE5_R 0x4C
jhawkins38 0:81b352a233ca 109 #define ELE6_T 0x4D
jhawkins38 0:81b352a233ca 110 #define ELE6_R 0x4E
jhawkins38 0:81b352a233ca 111 #define ELE7_T 0x4F
jhawkins38 0:81b352a233ca 112 #define ELE7_R 0x50
jhawkins38 0:81b352a233ca 113 #define ELE8_T 0x51
jhawkins38 0:81b352a233ca 114 #define ELE8_R 0x52
jhawkins38 0:81b352a233ca 115 #define ELE9_T 0x53
jhawkins38 0:81b352a233ca 116 #define ELE9_R 0x54
jhawkins38 0:81b352a233ca 117 #define ELE10_T 0x55
jhawkins38 0:81b352a233ca 118 #define ELE10_R 0x56
jhawkins38 0:81b352a233ca 119 #define ELE11_T 0x57
jhawkins38 0:81b352a233ca 120 #define ELE11_R 0x58
jhawkins38 0:81b352a233ca 121 // Proximity Touch/Release thresholds
jhawkins38 0:81b352a233ca 122 #define EPROXTTH 0x59
jhawkins38 0:81b352a233ca 123 #define EPROXRTH 0x5A
jhawkins38 0:81b352a233ca 124 // Debounce configuration
jhawkins38 0:81b352a233ca 125 #define DEB_CFG 0x5B
jhawkins38 0:81b352a233ca 126 // AFE- Analogue Front End configuration
jhawkins38 0:81b352a233ca 127 #define AFE_CFG 0x5C
jhawkins38 0:81b352a233ca 128 // Filter configuration
jhawkins38 0:81b352a233ca 129 #define FIL_CFG 0x5D
jhawkins38 0:81b352a233ca 130 // Electrode configuration - transistions to "active mode"
jhawkins38 0:81b352a233ca 131 #define ELE_CFG 0x5E
jhawkins38 0:81b352a233ca 132
jhawkins38 0:81b352a233ca 133 #define GPIO_CTRL0 0x73
jhawkins38 0:81b352a233ca 134 #define GPIO_CTRL1 0x74
jhawkins38 0:81b352a233ca 135 #define GPIO_DATA 0x75
jhawkins38 0:81b352a233ca 136 #define GPIO_DIR 0x76
jhawkins38 0:81b352a233ca 137 #define GPIO_EN 0x77
jhawkins38 0:81b352a233ca 138 #define GPIO_SET 0x78
jhawkins38 0:81b352a233ca 139 #define GPIO_CLEAR 0x79
jhawkins38 0:81b352a233ca 140 #define GPIO_TOGGLE 0x7A
jhawkins38 0:81b352a233ca 141 // Auto configration registers
jhawkins38 0:81b352a233ca 142 #define AUTO_CFG_0 0x7B
jhawkins38 0:81b352a233ca 143 #define AUTO_CFG_U 0x7D
jhawkins38 0:81b352a233ca 144 #define AUTO_CFG_L 0x7E
jhawkins38 0:81b352a233ca 145 #define AUTO_CFG_T 0x7F
jhawkins38 0:81b352a233ca 146
jhawkins38 0:81b352a233ca 147 // Threshold defaults
jhawkins38 0:81b352a233ca 148 // Electrode touch threshold
jhawkins38 0:81b352a233ca 149 #define E_THR_T 0x0F
jhawkins38 0:81b352a233ca 150 // Electrode release threshold
jhawkins38 0:81b352a233ca 151 #define E_THR_R 0x0A
jhawkins38 0:81b352a233ca 152 // Prox touch threshold
jhawkins38 0:81b352a233ca 153 #define PROX_THR_T 0x02
jhawkins38 0:81b352a233ca 154 // Prox release threshold
jhawkins38 0:81b352a233ca 155 #define PROX_THR_R 0x02
jhawkins38 0:81b352a233ca 156
jhawkins38 0:81b352a233ca 157 #endif