David Möschwitzer / GpioExpander

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PCA9555/PCA9555.h@0:3835ff675f6b, 2019-02-01 (annotated)

Committer:
x1dmoesc
Date:
Fri Feb 01 09:41:20 2019 +0000
Revision:
0:3835ff675f6b
New Lib

Who changed what in which revision?

UserRevisionLine numberNew contents of line
x1dmoesc 0:3835ff675f6b 1 #ifndef PCA9555_H
x1dmoesc 0:3835ff675f6b 2 #define PCA9555_H
x1dmoesc 0:3835ff675f6b 3
x1dmoesc 0:3835ff675f6b 4 #include <mbed.h>
x1dmoesc 0:3835ff675f6b 5
x1dmoesc 0:3835ff675f6b 6
x1dmoesc 0:3835ff675f6b 7 class PCA9555
x1dmoesc 0:3835ff675f6b 8 {
x1dmoesc 0:3835ff675f6b 9 public:
x1dmoesc 0:3835ff675f6b 10
x1dmoesc 0:3835ff675f6b 11 // ADDRESS
x1dmoesc 0:3835ff675f6b 12 static const int HARD_ADR = 0x40;
x1dmoesc 0:3835ff675f6b 13 static const int USER_ADR_MASK = 0x07;
x1dmoesc 0:3835ff675f6b 14
x1dmoesc 0:3835ff675f6b 15
x1dmoesc 0:3835ff675f6b 16 // PORT 0
x1dmoesc 0:3835ff675f6b 17 static const int PORT0_INPUT = 0x00;
x1dmoesc 0:3835ff675f6b 18 static const int PORT0_OUTPUT = 0x02;
x1dmoesc 0:3835ff675f6b 19 static const int PORT0_POLAR = 0x04;
x1dmoesc 0:3835ff675f6b 20 static const int PORT0_CONFIG = 0x06;
x1dmoesc 0:3835ff675f6b 21
x1dmoesc 0:3835ff675f6b 22
x1dmoesc 0:3835ff675f6b 23
x1dmoesc 0:3835ff675f6b 24 // PORT 1
x1dmoesc 0:3835ff675f6b 25 static const int PORT1_INPUT = 0x01;
x1dmoesc 0:3835ff675f6b 26 static const int PORT1_OUTPUT = 0x03;
x1dmoesc 0:3835ff675f6b 27 static const int PORT1_POLAR = 0x05;
x1dmoesc 0:3835ff675f6b 28 static const int PORT1_CONFIG = 0x07;
x1dmoesc 0:3835ff675f6b 29
x1dmoesc 0:3835ff675f6b 30
x1dmoesc 0:3835ff675f6b 31 // BIT polarity
x1dmoesc 0:3835ff675f6b 32 static const int NORM_POL_BIT0 = (0 << 0);
x1dmoesc 0:3835ff675f6b 33 static const int NORM_POL_BIT1 = (0 << 1);
x1dmoesc 0:3835ff675f6b 34 static const int NORM_POL_BIT2 = (0 << 2);
x1dmoesc 0:3835ff675f6b 35 static const int NORM_POL_BIT3 = (0 << 3);
x1dmoesc 0:3835ff675f6b 36 static const int NORM_POL_BIT4 = (0 << 4);
x1dmoesc 0:3835ff675f6b 37 static const int NORM_POL_BIT5 = (0 << 5);
x1dmoesc 0:3835ff675f6b 38 static const int NORM_POL_BIT6 = (0 << 6);
x1dmoesc 0:3835ff675f6b 39 static const int NORM_POL_BIT7 = (0 << 7);
x1dmoesc 0:3835ff675f6b 40
x1dmoesc 0:3835ff675f6b 41 static const int INV_POL_BIT0 = (1 << 0);
x1dmoesc 0:3835ff675f6b 42 static const int INV_POL_BIT1 = (1 << 1);
x1dmoesc 0:3835ff675f6b 43 static const int INV_POL_BIT2 = (1 << 2);
x1dmoesc 0:3835ff675f6b 44 static const int INV_POL_BIT3 = (1 << 3);
x1dmoesc 0:3835ff675f6b 45 static const int INV_POL_BIT4 = (1 << 4);
x1dmoesc 0:3835ff675f6b 46 static const int INV_POL_BIT5 = (1 << 5);
x1dmoesc 0:3835ff675f6b 47 static const int INV_POL_BIT6 = (1 << 6);
x1dmoesc 0:3835ff675f6b 48 static const int INV_POL_BIT7 = (1 << 7);
x1dmoesc 0:3835ff675f6b 49
x1dmoesc 0:3835ff675f6b 50
x1dmoesc 0:3835ff675f6b 51
x1dmoesc 0:3835ff675f6b 52
x1dmoesc 0:3835ff675f6b 53 static const int BIT0 = 0;
x1dmoesc 0:3835ff675f6b 54 static const int BIT1 = 1;
x1dmoesc 0:3835ff675f6b 55 static const int BIT2 = 2;
x1dmoesc 0:3835ff675f6b 56 static const int BIT3 = 3;
x1dmoesc 0:3835ff675f6b 57 static const int BIT4 = 4;
x1dmoesc 0:3835ff675f6b 58 static const int BIT5 = 5;
x1dmoesc 0:3835ff675f6b 59 static const int BIT6 = 6;
x1dmoesc 0:3835ff675f6b 60 static const int BIT7 = 7;
x1dmoesc 0:3835ff675f6b 61
x1dmoesc 0:3835ff675f6b 62
x1dmoesc 0:3835ff675f6b 63
x1dmoesc 0:3835ff675f6b 64
x1dmoesc 0:3835ff675f6b 65 //public:
x1dmoesc 0:3835ff675f6b 66 // definitions
x1dmoesc 0:3835ff675f6b 67 typedef enum { _PORT0, _PORT1, _BOTH} _GPIO;
x1dmoesc 0:3835ff675f6b 68
x1dmoesc 0:3835ff675f6b 69 typedef union {
x1dmoesc 0:3835ff675f6b 70 struct{
x1dmoesc 0:3835ff675f6b 71 unsigned int B0 : 1;
x1dmoesc 0:3835ff675f6b 72 unsigned int B1 : 1;
x1dmoesc 0:3835ff675f6b 73 unsigned int B2 : 1;
x1dmoesc 0:3835ff675f6b 74 unsigned int B3 : 1;
x1dmoesc 0:3835ff675f6b 75 unsigned int B4 : 1;
x1dmoesc 0:3835ff675f6b 76 unsigned int B5 : 1;
x1dmoesc 0:3835ff675f6b 77 unsigned int B6 : 1;
x1dmoesc 0:3835ff675f6b 78 unsigned int B7 : 1;
x1dmoesc 0:3835ff675f6b 79 }Pin;
x1dmoesc 0:3835ff675f6b 80
x1dmoesc 0:3835ff675f6b 81 uint8_t uiPort;
x1dmoesc 0:3835ff675f6b 82 }GPIO;
x1dmoesc 0:3835ff675f6b 83
x1dmoesc 0:3835ff675f6b 84
x1dmoesc 0:3835ff675f6b 85 // function
x1dmoesc 0:3835ff675f6b 86 PCA9555(I2C *_i2c, uint8_t uiAdr);
x1dmoesc 0:3835ff675f6b 87
x1dmoesc 0:3835ff675f6b 88
x1dmoesc 0:3835ff675f6b 89 bool confDirGPIO(_GPIO gpio, uint8_t uiData0, uint8_t uiData1 = NULL);
x1dmoesc 0:3835ff675f6b 90
x1dmoesc 0:3835ff675f6b 91
x1dmoesc 0:3835ff675f6b 92 uint8_t getGPIO0(bool bUpdate);
x1dmoesc 0:3835ff675f6b 93 bool getGPIO0_B0(bool bUpdate);
x1dmoesc 0:3835ff675f6b 94 bool getGPIO0_B1(bool bUpdate);
x1dmoesc 0:3835ff675f6b 95 bool getGPIO0_B2(bool bUpdate);
x1dmoesc 0:3835ff675f6b 96 bool getGPIO0_B3(bool bUpdate);
x1dmoesc 0:3835ff675f6b 97 bool getGPIO0_B4(bool bUpdate);
x1dmoesc 0:3835ff675f6b 98 bool getGPIO0_B5(bool bUpdate);
x1dmoesc 0:3835ff675f6b 99 bool getGPIO0_B6(bool bUpdate);
x1dmoesc 0:3835ff675f6b 100 bool getGPIO0_B7(bool bUpdate);
x1dmoesc 0:3835ff675f6b 101
x1dmoesc 0:3835ff675f6b 102 uint8_t getGPIO1(bool bUpdate);
x1dmoesc 0:3835ff675f6b 103 bool getGPIO1_B0(bool bUpdate);
x1dmoesc 0:3835ff675f6b 104 bool getGPIO1_B1(bool bUpdate);
x1dmoesc 0:3835ff675f6b 105 bool getGPIO1_B2(bool bUpdate);
x1dmoesc 0:3835ff675f6b 106 bool getGPIO1_B3(bool bUpdate);
x1dmoesc 0:3835ff675f6b 107 bool getGPIO1_B4(bool bUpdate);
x1dmoesc 0:3835ff675f6b 108 bool getGPIO1_B5(bool bUpdate);
x1dmoesc 0:3835ff675f6b 109 bool getGPIO1_B6(bool bUpdate);
x1dmoesc 0:3835ff675f6b 110 bool getGPIO1_B7(bool bUpdate);
x1dmoesc 0:3835ff675f6b 111
x1dmoesc 0:3835ff675f6b 112
x1dmoesc 0:3835ff675f6b 113 bool setGPIO(_GPIO gpio, uint8_t uiData0, uint8_t uiData1 = NULL);
x1dmoesc 0:3835ff675f6b 114 bool setGPIO0_B0(bool bBit);
x1dmoesc 0:3835ff675f6b 115 bool setGPIO0_B1(bool bBit);
x1dmoesc 0:3835ff675f6b 116 bool setGPIO0_B2(bool bBit);
x1dmoesc 0:3835ff675f6b 117 bool setGPIO0_B3(bool bBit);
x1dmoesc 0:3835ff675f6b 118 bool setGPIO0_B4(bool bBit);
x1dmoesc 0:3835ff675f6b 119 bool setGPIO0_B5(bool bBit);
x1dmoesc 0:3835ff675f6b 120 bool setGPIO0_B6(bool bBit);
x1dmoesc 0:3835ff675f6b 121 bool setGPIO0_B7(bool bBit);
x1dmoesc 0:3835ff675f6b 122
x1dmoesc 0:3835ff675f6b 123 bool setGPIO1_B0(bool bBit);
x1dmoesc 0:3835ff675f6b 124 bool setGPIO1_B1(bool bBit);
x1dmoesc 0:3835ff675f6b 125 bool setGPIO1_B2(bool bBit);
x1dmoesc 0:3835ff675f6b 126 bool setGPIO1_B3(bool bBit);
x1dmoesc 0:3835ff675f6b 127 bool setGPIO1_B4(bool bBit);
x1dmoesc 0:3835ff675f6b 128 bool setGPIO1_B5(bool bBit);
x1dmoesc 0:3835ff675f6b 129 bool setGPIO1_B6(bool bBit);
x1dmoesc 0:3835ff675f6b 130 bool setGPIO1_B7(bool bBit);
x1dmoesc 0:3835ff675f6b 131
x1dmoesc 0:3835ff675f6b 132 // variable
x1dmoesc 0:3835ff675f6b 133 static const _GPIO PORT0 = _PORT0;
x1dmoesc 0:3835ff675f6b 134 static const _GPIO PORT1 = _PORT1;
x1dmoesc 0:3835ff675f6b 135 static const _GPIO BOTH = _BOTH;
x1dmoesc 0:3835ff675f6b 136
x1dmoesc 0:3835ff675f6b 137 GPIO GPIO0, GPIO1;
x1dmoesc 0:3835ff675f6b 138
x1dmoesc 0:3835ff675f6b 139
x1dmoesc 0:3835ff675f6b 140 //uint8_t uiGPIO0, uiGPIO1;
x1dmoesc 0:3835ff675f6b 141
x1dmoesc 0:3835ff675f6b 142
x1dmoesc 0:3835ff675f6b 143 private:
x1dmoesc 0:3835ff675f6b 144 // functions
x1dmoesc 0:3835ff675f6b 145 bool getGPIO(_GPIO gpio);
x1dmoesc 0:3835ff675f6b 146
x1dmoesc 0:3835ff675f6b 147 // variable
x1dmoesc 0:3835ff675f6b 148 const uint8_t PCA9555_W;
x1dmoesc 0:3835ff675f6b 149 const uint8_t PCA9555_R;
x1dmoesc 0:3835ff675f6b 150
x1dmoesc 0:3835ff675f6b 151
x1dmoesc 0:3835ff675f6b 152
x1dmoesc 0:3835ff675f6b 153 char cCmd[10];
x1dmoesc 0:3835ff675f6b 154 bool bAck;
x1dmoesc 0:3835ff675f6b 155
x1dmoesc 0:3835ff675f6b 156 // Class
x1dmoesc 0:3835ff675f6b 157 I2C *i2c;
x1dmoesc 0:3835ff675f6b 158 };
x1dmoesc 0:3835ff675f6b 159
x1dmoesc 0:3835ff675f6b 160 #endif