Vamsish Satoor / Mbed 2 deprecated 4180-FinalProject

music mixer code

Dependencies:   mbed wave_player mbed-rtos SimpleRGB 4DGL-uLCD-SE PinDetect

mpr121.h@10:5f5e199e1b9c, 2019-12-09 (annotated)

Committer:
vamsatoor
Date:
Mon Dec 09 16:43:04 2019 +0000
Revision:
10:5f5e199e1b9c
commit 1;

Who changed what in which revision?

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vamsatoor 10:5f5e199e1b9c 1 /*
vamsatoor 10:5f5e199e1b9c 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
vamsatoor 10:5f5e199e1b9c 3
vamsatoor 10:5f5e199e1b9c 4
vamsatoor 10:5f5e199e1b9c 5 Permission is hereby granted, free of charge, to any person obtaining a copy
vamsatoor 10:5f5e199e1b9c 6 of this software and associated documentation files (the "Software"), to deal
vamsatoor 10:5f5e199e1b9c 7 in the Software without restriction, including without limitation the rights
vamsatoor 10:5f5e199e1b9c 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
vamsatoor 10:5f5e199e1b9c 9 copies of the Software, and to permit persons to whom the Software is
vamsatoor 10:5f5e199e1b9c 10 furnished to do so, subject to the following conditions:
vamsatoor 10:5f5e199e1b9c 11
vamsatoor 10:5f5e199e1b9c 12 The above copyright notice and this permission notice shall be included in
vamsatoor 10:5f5e199e1b9c 13 all copies or substantial portions of the Software.
vamsatoor 10:5f5e199e1b9c 14
vamsatoor 10:5f5e199e1b9c 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
vamsatoor 10:5f5e199e1b9c 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
vamsatoor 10:5f5e199e1b9c 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
vamsatoor 10:5f5e199e1b9c 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
vamsatoor 10:5f5e199e1b9c 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
vamsatoor 10:5f5e199e1b9c 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
vamsatoor 10:5f5e199e1b9c 21 THE SOFTWARE.
vamsatoor 10:5f5e199e1b9c 22
vamsatoor 10:5f5e199e1b9c 23 Parts written by Jim Lindblom of Sparkfun
vamsatoor 10:5f5e199e1b9c 24 Ported to mbed by A.Buckton, Feb 2011
vamsatoor 10:5f5e199e1b9c 25 */
vamsatoor 10:5f5e199e1b9c 26
vamsatoor 10:5f5e199e1b9c 27 #ifndef MPR121_H
vamsatoor 10:5f5e199e1b9c 28 #define MPR121_H
vamsatoor 10:5f5e199e1b9c 29
vamsatoor 10:5f5e199e1b9c 30 //using namespace std;
vamsatoor 10:5f5e199e1b9c 31
vamsatoor 10:5f5e199e1b9c 32 class Mpr121
vamsatoor 10:5f5e199e1b9c 33 {
vamsatoor 10:5f5e199e1b9c 34
vamsatoor 10:5f5e199e1b9c 35 public:
vamsatoor 10:5f5e199e1b9c 36 // i2c Addresses, bit-shifted
vamsatoor 10:5f5e199e1b9c 37 enum Address { ADD_VSS = 0xb4,// ADD->VSS = 0x5a <-wiring on Sparkfun board
vamsatoor 10:5f5e199e1b9c 38 ADD_VDD = 0xb6,// ADD->VDD = 0x5b
vamsatoor 10:5f5e199e1b9c 39 ADD_SCL = 0xb8,// ADD->SDA = 0x5c
vamsatoor 10:5f5e199e1b9c 40 ADD_SDA = 0xba // ADD->SCL = 0x5d
vamsatoor 10:5f5e199e1b9c 41 };
vamsatoor 10:5f5e199e1b9c 42
vamsatoor 10:5f5e199e1b9c 43 // Real initialiser, takes the i2c address of the device.
vamsatoor 10:5f5e199e1b9c 44 Mpr121(I2C *i2c, Address i2cAddress);
vamsatoor 10:5f5e199e1b9c 45
vamsatoor 10:5f5e199e1b9c 46 bool getProximityMode();
vamsatoor 10:5f5e199e1b9c 47
vamsatoor 10:5f5e199e1b9c 48 void setProximityMode(bool mode);
vamsatoor 10:5f5e199e1b9c 49
vamsatoor 10:5f5e199e1b9c 50 int readTouchData();
vamsatoor 10:5f5e199e1b9c 51
vamsatoor 10:5f5e199e1b9c 52 unsigned char read(int key);
vamsatoor 10:5f5e199e1b9c 53
vamsatoor 10:5f5e199e1b9c 54 int write(int address, unsigned char value);
vamsatoor 10:5f5e199e1b9c 55 int writeMany(int start, unsigned char* dataSet, int length);
vamsatoor 10:5f5e199e1b9c 56
vamsatoor 10:5f5e199e1b9c 57 void setElectrodeThreshold(int electrodeId, unsigned char touchThreshold, unsigned char releaseThreshold);
vamsatoor 10:5f5e199e1b9c 58
vamsatoor 10:5f5e199e1b9c 59 protected:
vamsatoor 10:5f5e199e1b9c 60 // Configures the MPR with standard settings. This is permitted to be overwritten by sub-classes.
vamsatoor 10:5f5e199e1b9c 61 void configureSettings();
vamsatoor 10:5f5e199e1b9c 62
vamsatoor 10:5f5e199e1b9c 63 private:
vamsatoor 10:5f5e199e1b9c 64 // The I2C bus instance.
vamsatoor 10:5f5e199e1b9c 65 I2C *i2c;
vamsatoor 10:5f5e199e1b9c 66
vamsatoor 10:5f5e199e1b9c 67 // i2c address of this mpr121
vamsatoor 10:5f5e199e1b9c 68 Address address;
vamsatoor 10:5f5e199e1b9c 69 };
vamsatoor 10:5f5e199e1b9c 70
vamsatoor 10:5f5e199e1b9c 71
vamsatoor 10:5f5e199e1b9c 72 // MPR121 Register Defines
vamsatoor 10:5f5e199e1b9c 73 #define MHD_R 0x2B
vamsatoor 10:5f5e199e1b9c 74 #define NHD_R 0x2C
vamsatoor 10:5f5e199e1b9c 75 #define NCL_R 0x2D
vamsatoor 10:5f5e199e1b9c 76 #define FDL_R 0x2E
vamsatoor 10:5f5e199e1b9c 77 #define MHD_F 0x2F
vamsatoor 10:5f5e199e1b9c 78 #define NHD_F 0x30
vamsatoor 10:5f5e199e1b9c 79 #define NCL_F 0x31
vamsatoor 10:5f5e199e1b9c 80 #define FDL_F 0x32
vamsatoor 10:5f5e199e1b9c 81 #define NHDT 0x33
vamsatoor 10:5f5e199e1b9c 82 #define NCLT 0x34
vamsatoor 10:5f5e199e1b9c 83 #define FDLT 0x35
vamsatoor 10:5f5e199e1b9c 84 // Proximity sensing controls
vamsatoor 10:5f5e199e1b9c 85 #define MHDPROXR 0x36
vamsatoor 10:5f5e199e1b9c 86 #define NHDPROXR 0x37
vamsatoor 10:5f5e199e1b9c 87 #define NCLPROXR 0x38
vamsatoor 10:5f5e199e1b9c 88 #define FDLPROXR 0x39
vamsatoor 10:5f5e199e1b9c 89 #define MHDPROXF 0x3A
vamsatoor 10:5f5e199e1b9c 90 #define NHDPROXF 0x3B
vamsatoor 10:5f5e199e1b9c 91 #define NCLPROXF 0x3C
vamsatoor 10:5f5e199e1b9c 92 #define FDLPROXF 0x3D
vamsatoor 10:5f5e199e1b9c 93 #define NHDPROXT 0x3E
vamsatoor 10:5f5e199e1b9c 94 #define NCLPROXT 0x3F
vamsatoor 10:5f5e199e1b9c 95 #define FDLPROXT 0x40
vamsatoor 10:5f5e199e1b9c 96 // Electrode Touch/Release thresholds
vamsatoor 10:5f5e199e1b9c 97 #define ELE0_T 0x41
vamsatoor 10:5f5e199e1b9c 98 #define ELE0_R 0x42
vamsatoor 10:5f5e199e1b9c 99 #define ELE1_T 0x43
vamsatoor 10:5f5e199e1b9c 100 #define ELE1_R 0x44
vamsatoor 10:5f5e199e1b9c 101 #define ELE2_T 0x45
vamsatoor 10:5f5e199e1b9c 102 #define ELE2_R 0x46
vamsatoor 10:5f5e199e1b9c 103 #define ELE3_T 0x47
vamsatoor 10:5f5e199e1b9c 104 #define ELE3_R 0x48
vamsatoor 10:5f5e199e1b9c 105 #define ELE4_T 0x49
vamsatoor 10:5f5e199e1b9c 106 #define ELE4_R 0x4A
vamsatoor 10:5f5e199e1b9c 107 #define ELE5_T 0x4B
vamsatoor 10:5f5e199e1b9c 108 #define ELE5_R 0x4C
vamsatoor 10:5f5e199e1b9c 109 #define ELE6_T 0x4D
vamsatoor 10:5f5e199e1b9c 110 #define ELE6_R 0x4E
vamsatoor 10:5f5e199e1b9c 111 #define ELE7_T 0x4F
vamsatoor 10:5f5e199e1b9c 112 #define ELE7_R 0x50
vamsatoor 10:5f5e199e1b9c 113 #define ELE8_T 0x51
vamsatoor 10:5f5e199e1b9c 114 #define ELE8_R 0x52
vamsatoor 10:5f5e199e1b9c 115 #define ELE9_T 0x53
vamsatoor 10:5f5e199e1b9c 116 #define ELE9_R 0x54
vamsatoor 10:5f5e199e1b9c 117 #define ELE10_T 0x55
vamsatoor 10:5f5e199e1b9c 118 #define ELE10_R 0x56
vamsatoor 10:5f5e199e1b9c 119 #define ELE11_T 0x57
vamsatoor 10:5f5e199e1b9c 120 #define ELE11_R 0x58
vamsatoor 10:5f5e199e1b9c 121 // Proximity Touch/Release thresholds
vamsatoor 10:5f5e199e1b9c 122 #define EPROXTTH 0x59
vamsatoor 10:5f5e199e1b9c 123 #define EPROXRTH 0x5A
vamsatoor 10:5f5e199e1b9c 124 // Debounce configuration
vamsatoor 10:5f5e199e1b9c 125 #define DEB_CFG 0x5B
vamsatoor 10:5f5e199e1b9c 126 // AFE- Analogue Front End configuration
vamsatoor 10:5f5e199e1b9c 127 #define AFE_CFG 0x5C
vamsatoor 10:5f5e199e1b9c 128 // Filter configuration
vamsatoor 10:5f5e199e1b9c 129 #define FIL_CFG 0x5D
vamsatoor 10:5f5e199e1b9c 130 // Electrode configuration - transistions to "active mode"
vamsatoor 10:5f5e199e1b9c 131 #define ELE_CFG 0x5E
vamsatoor 10:5f5e199e1b9c 132
vamsatoor 10:5f5e199e1b9c 133 #define GPIO_CTRL0 0x73
vamsatoor 10:5f5e199e1b9c 134 #define GPIO_CTRL1 0x74
vamsatoor 10:5f5e199e1b9c 135 #define GPIO_DATA 0x75
vamsatoor 10:5f5e199e1b9c 136 #define GPIO_DIR 0x76
vamsatoor 10:5f5e199e1b9c 137 #define GPIO_EN 0x77
vamsatoor 10:5f5e199e1b9c 138 #define GPIO_SET 0x78
vamsatoor 10:5f5e199e1b9c 139 #define GPIO_CLEAR 0x79
vamsatoor 10:5f5e199e1b9c 140 #define GPIO_TOGGLE 0x7A
vamsatoor 10:5f5e199e1b9c 141 // Auto configration registers
vamsatoor 10:5f5e199e1b9c 142 #define AUTO_CFG_0 0x7B
vamsatoor 10:5f5e199e1b9c 143 #define AUTO_CFG_U 0x7D
vamsatoor 10:5f5e199e1b9c 144 #define AUTO_CFG_L 0x7E
vamsatoor 10:5f5e199e1b9c 145 #define AUTO_CFG_T 0x7F
vamsatoor 10:5f5e199e1b9c 146
vamsatoor 10:5f5e199e1b9c 147 // Threshold defaults
vamsatoor 10:5f5e199e1b9c 148 // Electrode touch threshold
vamsatoor 10:5f5e199e1b9c 149 #define E_THR_T 0x0F
vamsatoor 10:5f5e199e1b9c 150 // Electrode release threshold
vamsatoor 10:5f5e199e1b9c 151 #define E_THR_R 0x0A
vamsatoor 10:5f5e199e1b9c 152 // Prox touch threshold
vamsatoor 10:5f5e199e1b9c 153 #define PROX_THR_T 0x02
vamsatoor 10:5f5e199e1b9c 154 // Prox release threshold
vamsatoor 10:5f5e199e1b9c 155 #define PROX_THR_R 0x02
vamsatoor 10:5f5e199e1b9c 156
vamsatoor 10:5f5e199e1b9c 157 #endif