Karl Nicolaus / Mbed 2 deprecated 4180_Lab1_P6

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Dependencies:   mbed

mpr121.h@0:2e5b82508aea, 2011-02-28 (annotated)

Committer:
abuckton
Date:
Mon Feb 28 12:07:17 2011 +0000
Revision:
0:2e5b82508aea
Child:
1:d1837531c318
First cut to get things moving

Who changed what in which revision?

UserRevisionLine numberNew contents of line
abuckton 0:2e5b82508aea 1 /*
abuckton 0:2e5b82508aea 2 MPR121.h
abuckton 0:2e5b82508aea 3 April 8, 2010
abuckton 0:2e5b82508aea 4 by: Jim Lindblom
abuckton 0:2e5b82508aea 5 Ported to mbed and modified by A.Buckton, 16 Feb 2011
abuckton 0:2e5b82508aea 6 */
abuckton 0:2e5b82508aea 7
abuckton 0:2e5b82508aea 8 #ifndef MPR121_H
abuckton 0:2e5b82508aea 9 #define MPR121_H
abuckton 0:2e5b82508aea 10
abuckton 0:2e5b82508aea 11 //using namespace std;
abuckton 0:2e5b82508aea 12
abuckton 0:2e5b82508aea 13 class Mpr121
abuckton 0:2e5b82508aea 14 {
abuckton 0:2e5b82508aea 15
abuckton 0:2e5b82508aea 16 public:
abuckton 0:2e5b82508aea 17 // i2c Addresses, bit-shifted
abuckton 0:2e5b82508aea 18 enum Address { ADD_VSS = 0xb4,// ADD->VSS = 0x5a <-wiring on Sparkfun board
abuckton 0:2e5b82508aea 19 ADD_VDD = 0xb6,// ADD->VDD = 0x5b
abuckton 0:2e5b82508aea 20 ADD_SCL = 0xb8,// ADD->SDA = 0x5c
abuckton 0:2e5b82508aea 21 ADD_SDA = 0xba // ADD->SCL = 0x5d
abuckton 0:2e5b82508aea 22 };
abuckton 0:2e5b82508aea 23
abuckton 0:2e5b82508aea 24 // Real initialiser, takes the i2c address of the device.
abuckton 0:2e5b82508aea 25 Mpr121(I2C *i2c, Address i2cAddress);
abuckton 0:2e5b82508aea 26
abuckton 0:2e5b82508aea 27 bool getProximityMode();
abuckton 0:2e5b82508aea 28
abuckton 0:2e5b82508aea 29 void setProximityMode(bool mode);
abuckton 0:2e5b82508aea 30
abuckton 0:2e5b82508aea 31 int readTouchData();
abuckton 0:2e5b82508aea 32
abuckton 0:2e5b82508aea 33 unsigned char read(int key);
abuckton 0:2e5b82508aea 34
abuckton 0:2e5b82508aea 35 int write(int address, unsigned char value);
abuckton 0:2e5b82508aea 36 int writeMany(int start, unsigned char* dataSet, int length);
abuckton 0:2e5b82508aea 37
abuckton 0:2e5b82508aea 38 void setElectrodeThreshold(int electrodeId, unsigned char touchThreshold, unsigned char releaseThreshold);
abuckton 0:2e5b82508aea 39
abuckton 0:2e5b82508aea 40 protected:
abuckton 0:2e5b82508aea 41 // Configures the MPR with standard settings. This is permitted to be overwritten by sub-classes.
abuckton 0:2e5b82508aea 42 void configureSettings();
abuckton 0:2e5b82508aea 43
abuckton 0:2e5b82508aea 44 private:
abuckton 0:2e5b82508aea 45 // The I2C bus instance.
abuckton 0:2e5b82508aea 46 I2C *i2c;
abuckton 0:2e5b82508aea 47
abuckton 0:2e5b82508aea 48 // i2c address of this mpr121
abuckton 0:2e5b82508aea 49 Address address;
abuckton 0:2e5b82508aea 50 };
abuckton 0:2e5b82508aea 51
abuckton 0:2e5b82508aea 52
abuckton 0:2e5b82508aea 53 // MPR121 Register Defines
abuckton 0:2e5b82508aea 54 #define MHD_R 0x2B
abuckton 0:2e5b82508aea 55 #define NHD_R 0x2C
abuckton 0:2e5b82508aea 56 #define NCL_R 0x2D
abuckton 0:2e5b82508aea 57 #define FDL_R 0x2E
abuckton 0:2e5b82508aea 58 #define MHD_F 0x2F
abuckton 0:2e5b82508aea 59 #define NHD_F 0x30
abuckton 0:2e5b82508aea 60 #define NCL_F 0x31
abuckton 0:2e5b82508aea 61 #define FDL_F 0x32
abuckton 0:2e5b82508aea 62 #define NHDT 0x33
abuckton 0:2e5b82508aea 63 #define NCLT 0x34
abuckton 0:2e5b82508aea 64 #define FDLT 0x35
abuckton 0:2e5b82508aea 65 // Proximity sensing controls
abuckton 0:2e5b82508aea 66 #define MHDPROXR 0x36
abuckton 0:2e5b82508aea 67 #define NHDPROXR 0x37
abuckton 0:2e5b82508aea 68 #define NCLPROXR 0x38
abuckton 0:2e5b82508aea 69 #define FDLPROXR 0x39
abuckton 0:2e5b82508aea 70 #define MHDPROXF 0x3A
abuckton 0:2e5b82508aea 71 #define NHDPROXF 0x3B
abuckton 0:2e5b82508aea 72 #define NCLPROXF 0x3C
abuckton 0:2e5b82508aea 73 #define FDLPROXF 0x3D
abuckton 0:2e5b82508aea 74 #define NHDPROXT 0x3E
abuckton 0:2e5b82508aea 75 #define NCLPROXT 0x3F
abuckton 0:2e5b82508aea 76 #define FDLPROXT 0x40
abuckton 0:2e5b82508aea 77 // Electrode Touch/Release thresholds
abuckton 0:2e5b82508aea 78 #define ELE0_T 0x41
abuckton 0:2e5b82508aea 79 #define ELE0_R 0x42
abuckton 0:2e5b82508aea 80 #define ELE1_T 0x43
abuckton 0:2e5b82508aea 81 #define ELE1_R 0x44
abuckton 0:2e5b82508aea 82 #define ELE2_T 0x45
abuckton 0:2e5b82508aea 83 #define ELE2_R 0x46
abuckton 0:2e5b82508aea 84 #define ELE3_T 0x47
abuckton 0:2e5b82508aea 85 #define ELE3_R 0x48
abuckton 0:2e5b82508aea 86 #define ELE4_T 0x49
abuckton 0:2e5b82508aea 87 #define ELE4_R 0x4A
abuckton 0:2e5b82508aea 88 #define ELE5_T 0x4B
abuckton 0:2e5b82508aea 89 #define ELE5_R 0x4C
abuckton 0:2e5b82508aea 90 #define ELE6_T 0x4D
abuckton 0:2e5b82508aea 91 #define ELE6_R 0x4E
abuckton 0:2e5b82508aea 92 #define ELE7_T 0x4F
abuckton 0:2e5b82508aea 93 #define ELE7_R 0x50
abuckton 0:2e5b82508aea 94 #define ELE8_T 0x51
abuckton 0:2e5b82508aea 95 #define ELE8_R 0x52
abuckton 0:2e5b82508aea 96 #define ELE9_T 0x53
abuckton 0:2e5b82508aea 97 #define ELE9_R 0x54
abuckton 0:2e5b82508aea 98 #define ELE10_T 0x55
abuckton 0:2e5b82508aea 99 #define ELE10_R 0x56
abuckton 0:2e5b82508aea 100 #define ELE11_T 0x57
abuckton 0:2e5b82508aea 101 #define ELE11_R 0x58
abuckton 0:2e5b82508aea 102 // Proximity Touch/Release thresholds
abuckton 0:2e5b82508aea 103 #define EPROXTTH 0x59
abuckton 0:2e5b82508aea 104 #define EPROXRTH 0x5A
abuckton 0:2e5b82508aea 105 // Debounce configuration
abuckton 0:2e5b82508aea 106 #define DEB_CFG 0x5B
abuckton 0:2e5b82508aea 107 // AFE- Analogue Front End configuration
abuckton 0:2e5b82508aea 108 #define AFE_CFG 0x5C
abuckton 0:2e5b82508aea 109 // Filter configuration
abuckton 0:2e5b82508aea 110 #define FIL_CFG 0x5D
abuckton 0:2e5b82508aea 111 // Electrode configuration - transistions to "active mode"
abuckton 0:2e5b82508aea 112 #define ELE_CFG 0x5E
abuckton 0:2e5b82508aea 113
abuckton 0:2e5b82508aea 114 #define GPIO_CTRL0 0x73
abuckton 0:2e5b82508aea 115 #define GPIO_CTRL1 0x74
abuckton 0:2e5b82508aea 116 #define GPIO_DATA 0x75
abuckton 0:2e5b82508aea 117 #define GPIO_DIR 0x76
abuckton 0:2e5b82508aea 118 #define GPIO_EN 0x77
abuckton 0:2e5b82508aea 119 #define GPIO_SET 0x78
abuckton 0:2e5b82508aea 120 #define GPIO_CLEAR 0x79
abuckton 0:2e5b82508aea 121 #define GPIO_TOGGLE 0x7A
abuckton 0:2e5b82508aea 122 // Auto configration registers
abuckton 0:2e5b82508aea 123 #define AUTO_CFG_0 0x7B
abuckton 0:2e5b82508aea 124 #define AUTO_CFG_U 0x7D
abuckton 0:2e5b82508aea 125 #define AUTO_CFG_L 0x7E
abuckton 0:2e5b82508aea 126 #define AUTO_CFG_T 0x7F
abuckton 0:2e5b82508aea 127
abuckton 0:2e5b82508aea 128 // Threshold defaults
abuckton 0:2e5b82508aea 129 // Electrode touch threshold
abuckton 0:2e5b82508aea 130 #define E_THR_T 0x0F
abuckton 0:2e5b82508aea 131 // Electrode release threshold
abuckton 0:2e5b82508aea 132 #define E_THR_R 0x0A
abuckton 0:2e5b82508aea 133 // Prox touch threshold
abuckton 0:2e5b82508aea 134 #define PROX_THR_T 0x02
abuckton 0:2e5b82508aea 135 // Prox release threshold
abuckton 0:2e5b82508aea 136 #define PROX_THR_R 0x02
abuckton 0:2e5b82508aea 137
abuckton 0:2e5b82508aea 138 #endif