David Möschwitzer / SC18IS602

SPI-Brigde (capseld), for polling interrupt, it is neccessary to adapt the constructor and the function getInt()

SC18IS602.h@2:cb90c271c412, 2019-02-18 (annotated)

Committer:
x1dmoesc
Date:
Mon Feb 18 16:03:44 2019 +0000
Revision:
2:cb90c271c412
Parent:
1:2a7edc2be6df
Child:
3:9cf83f16c17d
change class construct

Who changed what in which revision?

UserRevisionLine numberNew contents of line
x1dmoesc 0:833cb2c6da5d 1 #ifndef H_SC18IS602
x1dmoesc 0:833cb2c6da5d 2 #define H_SC18IS602
x1dmoesc 0:833cb2c6da5d 3
x1dmoesc 0:833cb2c6da5d 4 #include "mbed.h"
x1dmoesc 0:833cb2c6da5d 5 #include <string>
x1dmoesc 0:833cb2c6da5d 6
x1dmoesc 0:833cb2c6da5d 7 #include "PCA9555.h"
x1dmoesc 0:833cb2c6da5d 8
x1dmoesc 0:833cb2c6da5d 9 class SC18IS602
x1dmoesc 0:833cb2c6da5d 10 {
x1dmoesc 0:833cb2c6da5d 11 public:
x1dmoesc 0:833cb2c6da5d 12
x1dmoesc 2:cb90c271c412 13 static const int BUFFER_SIZE = 200;// Byte
x1dmoesc 2:cb90c271c412 14 static const bool ACK = true;
x1dmoesc 2:cb90c271c412 15 static const bool NACK = false;
x1dmoesc 2:cb90c271c412 16 static const bool INTERRUPT = false;
x1dmoesc 2:cb90c271c412 17 static const bool WAIT_SEC = 10e-6;
x1dmoesc 0:833cb2c6da5d 18
x1dmoesc 0:833cb2c6da5d 19 // Register Adress
x1dmoesc 2:cb90c271c412 20 static const int HARD_ADR = 0x50;
x1dmoesc 2:cb90c271c412 21 static const int USER_ADR_MASK = 0x07;
x1dmoesc 0:833cb2c6da5d 22
x1dmoesc 2:cb90c271c412 23 struct{
x1dmoesc 2:cb90c271c412 24 static const int CS0 = 0x01;
x1dmoesc 2:cb90c271c412 25 static const int CS1 = 0x02;
x1dmoesc 2:cb90c271c412 26 static const int CS2 = 0x04;
x1dmoesc 2:cb90c271c412 27 static const int CS3 = 0x08;
x1dmoesc 2:cb90c271c412 28 }CMD_RW;
x1dmoesc 0:833cb2c6da5d 29
x1dmoesc 2:cb90c271c412 30 static const int ADR_SPI_CONF = 0xF0;
x1dmoesc 2:cb90c271c412 31
x1dmoesc 2:cb90c271c412 32 struct{
x1dmoesc 2:cb90c271c412 33 static const int WRITE = 0xF4;
x1dmoesc 2:cb90c271c412 34 static const int READ = 0xF5;
x1dmoesc 2:cb90c271c412 35 static const int EN = 0xF6;
x1dmoesc 2:cb90c271c412 36 static const int CONF = 0xF7;
x1dmoesc 2:cb90c271c412 37 }ADR_GPIO;
x1dmoesc 0:833cb2c6da5d 38
x1dmoesc 0:833cb2c6da5d 39
x1dmoesc 0:833cb2c6da5d 40 //Bit position of register Configure SPI Interface
x1dmoesc 0:833cb2c6da5d 41 static const int SPI_BIT_ORDER = 5;
x1dmoesc 0:833cb2c6da5d 42 static const int SPI_MODE = 2;
x1dmoesc 0:833cb2c6da5d 43 static const int SPI_CLK_RATE = 0;
x1dmoesc 0:833cb2c6da5d 44
x1dmoesc 0:833cb2c6da5d 45 // Register Value SPI bit order
x1dmoesc 2:cb90c271c412 46 struct{
x1dmoesc 2:cb90c271c412 47 static const int MSB = 0; // MSB of the data word is transmitted first
x1dmoesc 2:cb90c271c412 48 static const int LSB = 1; // LSB of the data word is transmitted first
x1dmoesc 2:cb90c271c412 49 }SPI_BITORDER;
x1dmoesc 2:cb90c271c412 50
x1dmoesc 0:833cb2c6da5d 51
x1dmoesc 0:833cb2c6da5d 52 // Register Value SPI Mode (CPOL, CPHA)
x1dmoesc 0:833cb2c6da5d 53 static const int SPI_MODE_00 = 0;
x1dmoesc 0:833cb2c6da5d 54 static const int SPI_MODE_01 = 1;
x1dmoesc 0:833cb2c6da5d 55 static const int SPI_MODE_10 = 2;
x1dmoesc 0:833cb2c6da5d 56 static const int SPI_MODE_11 = 3;
x1dmoesc 0:833cb2c6da5d 57
x1dmoesc 0:833cb2c6da5d 58 //Register Value - Clock Rate
x1dmoesc 0:833cb2c6da5d 59 static const int SPI_RATE_58K = 0;
x1dmoesc 0:833cb2c6da5d 60 static const int SPI_RATE_115K = 1;
x1dmoesc 0:833cb2c6da5d 61 static const int SPI_RATE_461K = 2;
x1dmoesc 0:833cb2c6da5d 62 static const int SPI_RATE_1M8 = 3;
x1dmoesc 0:833cb2c6da5d 63
x1dmoesc 0:833cb2c6da5d 64
x1dmoesc 0:833cb2c6da5d 65
x1dmoesc 0:833cb2c6da5d 66 // Bist position of Register GPIO Enable
x1dmoesc 2:cb90c271c412 67 struct{
x1dmoesc 2:cb90c271c412 68 static const int CS0 = 0;
x1dmoesc 2:cb90c271c412 69 static const int CS1 = 1;
x1dmoesc 2:cb90c271c412 70 static const int CS2 = 2;
x1dmoesc 2:cb90c271c412 71 static const int CS3 = 3;
x1dmoesc 2:cb90c271c412 72 }GPIO;
x1dmoesc 0:833cb2c6da5d 73
x1dmoesc 0:833cb2c6da5d 74
x1dmoesc 0:833cb2c6da5d 75
x1dmoesc 0:833cb2c6da5d 76 // Bit position of Register GPIO config
x1dmoesc 0:833cb2c6da5d 77 static const int GPIO_CONF_CS0 = 0;
x1dmoesc 0:833cb2c6da5d 78 static const int GPIO_CONF_CS1 = 2;
x1dmoesc 0:833cb2c6da5d 79 static const int GPIO_CONF_CS2 = 4;
x1dmoesc 0:833cb2c6da5d 80 static const int GPIO_CONF_CS3 = 6;
x1dmoesc 0:833cb2c6da5d 81
x1dmoesc 0:833cb2c6da5d 82
x1dmoesc 0:833cb2c6da5d 83 // Register Value of GPIO config
x1dmoesc 0:833cb2c6da5d 84 static const int BIDIRECTIONAL = 0; // quasi bidirecitonal
x1dmoesc 0:833cb2c6da5d 85 static const int PUSH_PULL = 1; //
x1dmoesc 0:833cb2c6da5d 86 static const int INPUT_ONLY = 2; // high impedance
x1dmoesc 0:833cb2c6da5d 87 static const int OPEN_DRAIN = 3; // needs an external pullup
x1dmoesc 0:833cb2c6da5d 88
x1dmoesc 0:833cb2c6da5d 89
x1dmoesc 0:833cb2c6da5d 90 const int iINT;
x1dmoesc 0:833cb2c6da5d 91
x1dmoesc 0:833cb2c6da5d 92 // public
x1dmoesc 0:833cb2c6da5d 93 SC18IS602(I2C *_i2c, uint8_t uiAdr);
x1dmoesc 0:833cb2c6da5d 94 SC18IS602(I2C *_i2c, PCA9555 *_pca , uint8_t uiAdr); //
x1dmoesc 0:833cb2c6da5d 95 SC18IS602(I2C *_i2c, DigitalIn *_IntPin, uint8_t uiAdr); //
x1dmoesc 0:833cb2c6da5d 96
x1dmoesc 0:833cb2c6da5d 97
x1dmoesc 0:833cb2c6da5d 98 bool configSPI(uint8_t uiConf);
x1dmoesc 0:833cb2c6da5d 99 bool enableGPIO(uint8_t uiConf);
x1dmoesc 0:833cb2c6da5d 100 bool configGPIO(uint8_t uiConf);
x1dmoesc 0:833cb2c6da5d 101
x1dmoesc 2:cb90c271c412 102 bool gpio_pin3_on();
x1dmoesc 2:cb90c271c412 103 bool gpio_pin3_off();
x1dmoesc 0:833cb2c6da5d 104 bool gpio_toggle(uint8_t uiPort);
x1dmoesc 0:833cb2c6da5d 105
x1dmoesc 0:833cb2c6da5d 106 bool sendViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
x1dmoesc 0:833cb2c6da5d 107 bool readViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
x1dmoesc 0:833cb2c6da5d 108
x1dmoesc 0:833cb2c6da5d 109
x1dmoesc 1:2a7edc2be6df 110 //void setIntFuncPtr( bool (*Int_ptr)(void));
x1dmoesc 0:833cb2c6da5d 111
x1dmoesc 2:cb90c271c412 112 protected: // private
x1dmoesc 0:833cb2c6da5d 113 I2C *i2c; // Serial Data & Clock
x1dmoesc 0:833cb2c6da5d 114 PCA9555 *pca;
x1dmoesc 0:833cb2c6da5d 115 DigitalIn *IntPin; // Interrupt pin
x1dmoesc 0:833cb2c6da5d 116
x1dmoesc 0:833cb2c6da5d 117
x1dmoesc 0:833cb2c6da5d 118 bool sendViaI2C(const char *cData, int iLength, string sDebug = "");
x1dmoesc 0:833cb2c6da5d 119 bool readViaI2C(char *cData, int iLength, string sDebug = "");
x1dmoesc 2:cb90c271c412 120 void waitFor(bool bInt);
x1dmoesc 2:cb90c271c412 121
x1dmoesc 0:833cb2c6da5d 122
x1dmoesc 1:2a7edc2be6df 123 bool getInt();
x1dmoesc 1:2a7edc2be6df 124 bool clearInt();
x1dmoesc 1:2a7edc2be6df 125
x1dmoesc 2:cb90c271c412 126 //bool (*getInt_ptr)(void);
x1dmoesc 0:833cb2c6da5d 127
x1dmoesc 0:833cb2c6da5d 128
x1dmoesc 0:833cb2c6da5d 129 // variable
x1dmoesc 0:833cb2c6da5d 130 bool bAck;
x1dmoesc 0:833cb2c6da5d 131 unsigned int uiNumByte;
x1dmoesc 0:833cb2c6da5d 132 char cCmd[BUFFER_SIZE];
x1dmoesc 0:833cb2c6da5d 133
x1dmoesc 0:833cb2c6da5d 134 const uint8_t SC18IS602_W; // const write-address
x1dmoesc 0:833cb2c6da5d 135 const uint8_t SC18IS602_R; // const read-address
x1dmoesc 0:833cb2c6da5d 136
x1dmoesc 0:833cb2c6da5d 137
x1dmoesc 0:833cb2c6da5d 138 char cDebug[100];
x1dmoesc 0:833cb2c6da5d 139
x1dmoesc 2:cb90c271c412 140 int iTimeOut;
x1dmoesc 2:cb90c271c412 141
x1dmoesc 0:833cb2c6da5d 142 };
x1dmoesc 0:833cb2c6da5d 143
x1dmoesc 0:833cb2c6da5d 144
x1dmoesc 0:833cb2c6da5d 145 #endif