Eric Beauchemin / Mbed 2 deprecated Printer

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Dependencies:   PID SDFileSystem Stepper_Motor_X27168 mbed-rtos mbed millis

mpr121.h@1:d6183c8b01de, 2016-04-29 (annotated)

Committer:
ebeauchemin3
Date:
Fri Apr 29 15:00:18 2016 +0000
Revision:
1:d6183c8b01de
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0:3a7cef09ad54 
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ebeauchemin3 0:3a7cef09ad54 1 /*
ebeauchemin3 0:3a7cef09ad54 2 Copyright (c) 2011 Anthony Buckton (abuckton [at] blackink [dot} net {dot} au)
ebeauchemin3 0:3a7cef09ad54 3
ebeauchemin3 0:3a7cef09ad54 4
ebeauchemin3 0:3a7cef09ad54 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ebeauchemin3 0:3a7cef09ad54 6 of this software and associated documentation files (the "Software"), to deal
ebeauchemin3 0:3a7cef09ad54 7 in the Software without restriction, including without limitation the rights
ebeauchemin3 0:3a7cef09ad54 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ebeauchemin3 0:3a7cef09ad54 9 copies of the Software, and to permit persons to whom the Software is
ebeauchemin3 0:3a7cef09ad54 10 furnished to do so, subject to the following conditions:
ebeauchemin3 0:3a7cef09ad54 11
ebeauchemin3 0:3a7cef09ad54 12 The above copyright notice and this permission notice shall be included in
ebeauchemin3 0:3a7cef09ad54 13 all copies or substantial portions of the Software.
ebeauchemin3 0:3a7cef09ad54 14
ebeauchemin3 0:3a7cef09ad54 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ebeauchemin3 0:3a7cef09ad54 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ebeauchemin3 0:3a7cef09ad54 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ebeauchemin3 0:3a7cef09ad54 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ebeauchemin3 0:3a7cef09ad54 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ebeauchemin3 0:3a7cef09ad54 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ebeauchemin3 0:3a7cef09ad54 21 THE SOFTWARE.
ebeauchemin3 0:3a7cef09ad54 22
ebeauchemin3 0:3a7cef09ad54 23 Parts written by Jim Lindblom of Sparkfun
ebeauchemin3 0:3a7cef09ad54 24 Ported to mbed by A.Buckton, Feb 2011
ebeauchemin3 0:3a7cef09ad54 25 */
ebeauchemin3 0:3a7cef09ad54 26
ebeauchemin3 0:3a7cef09ad54 27 #ifndef MPR121_H
ebeauchemin3 0:3a7cef09ad54 28 #define MPR121_H
ebeauchemin3 0:3a7cef09ad54 29
ebeauchemin3 0:3a7cef09ad54 30 //using namespace std;
ebeauchemin3 0:3a7cef09ad54 31
ebeauchemin3 0:3a7cef09ad54 32 class Mpr121
ebeauchemin3 0:3a7cef09ad54 33 {
ebeauchemin3 0:3a7cef09ad54 34
ebeauchemin3 0:3a7cef09ad54 35 public:
ebeauchemin3 0:3a7cef09ad54 36 // i2c Addresses, bit-shifted
ebeauchemin3 0:3a7cef09ad54 37 enum Address { ADD_VSS = 0xb4,// ADD->VSS = 0x5a <-wiring on Sparkfun board
ebeauchemin3 0:3a7cef09ad54 38 ADD_VDD = 0xb6,// ADD->VDD = 0x5b
ebeauchemin3 0:3a7cef09ad54 39 ADD_SCL = 0xb8,// ADD->SDA = 0x5c
ebeauchemin3 0:3a7cef09ad54 40 ADD_SDA = 0xba // ADD->SCL = 0x5d
ebeauchemin3 0:3a7cef09ad54 41 };
ebeauchemin3 0:3a7cef09ad54 42
ebeauchemin3 0:3a7cef09ad54 43 // Real initialiser, takes the i2c address of the device.
ebeauchemin3 0:3a7cef09ad54 44 Mpr121(I2C *i2c, Address i2cAddress);
ebeauchemin3 0:3a7cef09ad54 45
ebeauchemin3 0:3a7cef09ad54 46 bool getProximityMode();
ebeauchemin3 0:3a7cef09ad54 47
ebeauchemin3 0:3a7cef09ad54 48 void setProximityMode(bool mode);
ebeauchemin3 0:3a7cef09ad54 49
ebeauchemin3 0:3a7cef09ad54 50 int readTouchData();
ebeauchemin3 0:3a7cef09ad54 51
ebeauchemin3 0:3a7cef09ad54 52 unsigned char read(int key);
ebeauchemin3 0:3a7cef09ad54 53
ebeauchemin3 0:3a7cef09ad54 54 int write(int address, unsigned char value);
ebeauchemin3 0:3a7cef09ad54 55 int writeMany(int start, unsigned char* dataSet, int length);
ebeauchemin3 0:3a7cef09ad54 56
ebeauchemin3 0:3a7cef09ad54 57 void setElectrodeThreshold(int electrodeId, unsigned char touchThreshold, unsigned char releaseThreshold);
ebeauchemin3 0:3a7cef09ad54 58
ebeauchemin3 0:3a7cef09ad54 59 protected:
ebeauchemin3 0:3a7cef09ad54 60 // Configures the MPR with standard settings. This is permitted to be overwritten by sub-classes.
ebeauchemin3 0:3a7cef09ad54 61 void configureSettings();
ebeauchemin3 0:3a7cef09ad54 62
ebeauchemin3 0:3a7cef09ad54 63 private:
ebeauchemin3 0:3a7cef09ad54 64 // The I2C bus instance.
ebeauchemin3 0:3a7cef09ad54 65 I2C *i2c;
ebeauchemin3 0:3a7cef09ad54 66
ebeauchemin3 0:3a7cef09ad54 67 // i2c address of this mpr121
ebeauchemin3 0:3a7cef09ad54 68 Address address;
ebeauchemin3 0:3a7cef09ad54 69 };
ebeauchemin3 0:3a7cef09ad54 70
ebeauchemin3 0:3a7cef09ad54 71
ebeauchemin3 0:3a7cef09ad54 72 // MPR121 Register Defines
ebeauchemin3 0:3a7cef09ad54 73 #define MHD_R 0x2B
ebeauchemin3 0:3a7cef09ad54 74 #define NHD_R 0x2C
ebeauchemin3 0:3a7cef09ad54 75 #define NCL_R 0x2D
ebeauchemin3 0:3a7cef09ad54 76 #define FDL_R 0x2E
ebeauchemin3 0:3a7cef09ad54 77 #define MHD_F 0x2F
ebeauchemin3 0:3a7cef09ad54 78 #define NHD_F 0x30
ebeauchemin3 0:3a7cef09ad54 79 #define NCL_F 0x31
ebeauchemin3 0:3a7cef09ad54 80 #define FDL_F 0x32
ebeauchemin3 0:3a7cef09ad54 81 #define NHDT 0x33
ebeauchemin3 0:3a7cef09ad54 82 #define NCLT 0x34
ebeauchemin3 0:3a7cef09ad54 83 #define FDLT 0x35
ebeauchemin3 0:3a7cef09ad54 84 // Proximity sensing controls
ebeauchemin3 0:3a7cef09ad54 85 #define MHDPROXR 0x36
ebeauchemin3 0:3a7cef09ad54 86 #define NHDPROXR 0x37
ebeauchemin3 0:3a7cef09ad54 87 #define NCLPROXR 0x38
ebeauchemin3 0:3a7cef09ad54 88 #define FDLPROXR 0x39
ebeauchemin3 0:3a7cef09ad54 89 #define MHDPROXF 0x3A
ebeauchemin3 0:3a7cef09ad54 90 #define NHDPROXF 0x3B
ebeauchemin3 0:3a7cef09ad54 91 #define NCLPROXF 0x3C
ebeauchemin3 0:3a7cef09ad54 92 #define FDLPROXF 0x3D
ebeauchemin3 0:3a7cef09ad54 93 #define NHDPROXT 0x3E
ebeauchemin3 0:3a7cef09ad54 94 #define NCLPROXT 0x3F
ebeauchemin3 0:3a7cef09ad54 95 #define FDLPROXT 0x40
ebeauchemin3 0:3a7cef09ad54 96 // Electrode Touch/Release thresholds
ebeauchemin3 0:3a7cef09ad54 97 #define ELE0_T 0x41
ebeauchemin3 0:3a7cef09ad54 98 #define ELE0_R 0x42
ebeauchemin3 0:3a7cef09ad54 99 #define ELE1_T 0x43
ebeauchemin3 0:3a7cef09ad54 100 #define ELE1_R 0x44
ebeauchemin3 0:3a7cef09ad54 101 #define ELE2_T 0x45
ebeauchemin3 0:3a7cef09ad54 102 #define ELE2_R 0x46
ebeauchemin3 0:3a7cef09ad54 103 #define ELE3_T 0x47
ebeauchemin3 0:3a7cef09ad54 104 #define ELE3_R 0x48
ebeauchemin3 0:3a7cef09ad54 105 #define ELE4_T 0x49
ebeauchemin3 0:3a7cef09ad54 106 #define ELE4_R 0x4A
ebeauchemin3 0:3a7cef09ad54 107 #define ELE5_T 0x4B
ebeauchemin3 0:3a7cef09ad54 108 #define ELE5_R 0x4C
ebeauchemin3 0:3a7cef09ad54 109 #define ELE6_T 0x4D
ebeauchemin3 0:3a7cef09ad54 110 #define ELE6_R 0x4E
ebeauchemin3 0:3a7cef09ad54 111 #define ELE7_T 0x4F
ebeauchemin3 0:3a7cef09ad54 112 #define ELE7_R 0x50
ebeauchemin3 0:3a7cef09ad54 113 #define ELE8_T 0x51
ebeauchemin3 0:3a7cef09ad54 114 #define ELE8_R 0x52
ebeauchemin3 0:3a7cef09ad54 115 #define ELE9_T 0x53
ebeauchemin3 0:3a7cef09ad54 116 #define ELE9_R 0x54
ebeauchemin3 0:3a7cef09ad54 117 #define ELE10_T 0x55
ebeauchemin3 0:3a7cef09ad54 118 #define ELE10_R 0x56
ebeauchemin3 0:3a7cef09ad54 119 #define ELE11_T 0x57
ebeauchemin3 0:3a7cef09ad54 120 #define ELE11_R 0x58
ebeauchemin3 0:3a7cef09ad54 121 // Proximity Touch/Release thresholds
ebeauchemin3 0:3a7cef09ad54 122 #define EPROXTTH 0x59
ebeauchemin3 0:3a7cef09ad54 123 #define EPROXRTH 0x5A
ebeauchemin3 0:3a7cef09ad54 124 // Debounce configuration
ebeauchemin3 0:3a7cef09ad54 125 #define DEB_CFG 0x5B
ebeauchemin3 0:3a7cef09ad54 126 // AFE- Analogue Front End configuration
ebeauchemin3 0:3a7cef09ad54 127 #define AFE_CFG 0x5C
ebeauchemin3 0:3a7cef09ad54 128 // Filter configuration
ebeauchemin3 0:3a7cef09ad54 129 #define FIL_CFG 0x5D
ebeauchemin3 0:3a7cef09ad54 130 // Electrode configuration - transistions to "active mode"
ebeauchemin3 0:3a7cef09ad54 131 #define ELE_CFG 0x5E
ebeauchemin3 0:3a7cef09ad54 132
ebeauchemin3 0:3a7cef09ad54 133 #define GPIO_CTRL0 0x73
ebeauchemin3 0:3a7cef09ad54 134 #define GPIO_CTRL1 0x74
ebeauchemin3 0:3a7cef09ad54 135 #define GPIO_DATA 0x75
ebeauchemin3 0:3a7cef09ad54 136 #define GPIO_DIR 0x76
ebeauchemin3 0:3a7cef09ad54 137 #define GPIO_EN 0x77
ebeauchemin3 0:3a7cef09ad54 138 #define GPIO_SET 0x78
ebeauchemin3 0:3a7cef09ad54 139 #define GPIO_CLEAR 0x79
ebeauchemin3 0:3a7cef09ad54 140 #define GPIO_TOGGLE 0x7A
ebeauchemin3 0:3a7cef09ad54 141 // Auto configration registers
ebeauchemin3 0:3a7cef09ad54 142 #define AUTO_CFG_0 0x7B
ebeauchemin3 0:3a7cef09ad54 143 #define AUTO_CFG_U 0x7D
ebeauchemin3 0:3a7cef09ad54 144 #define AUTO_CFG_L 0x7E
ebeauchemin3 0:3a7cef09ad54 145 #define AUTO_CFG_T 0x7F
ebeauchemin3 0:3a7cef09ad54 146
ebeauchemin3 0:3a7cef09ad54 147 // Threshold defaults
ebeauchemin3 0:3a7cef09ad54 148 // Electrode touch threshold
ebeauchemin3 0:3a7cef09ad54 149 #define E_THR_T 0x0F
ebeauchemin3 0:3a7cef09ad54 150 // Electrode release threshold
ebeauchemin3 0:3a7cef09ad54 151 #define E_THR_R 0x0A
ebeauchemin3 0:3a7cef09ad54 152 // Prox touch threshold
ebeauchemin3 0:3a7cef09ad54 153 #define PROX_THR_T 0x02
ebeauchemin3 0:3a7cef09ad54 154 // Prox release threshold
ebeauchemin3 0:3a7cef09ad54 155 #define PROX_THR_R 0x02
ebeauchemin3 0:3a7cef09ad54 156
ebeauchemin3 0:3a7cef09ad54 157 #endif