David Möschwitzer / SC18IS602

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

SC18IS602.h@0:833cb2c6da5d, 2019-02-01 (annotated)

Committer:
x1dmoesc
Date:
Fri Feb 01 09:40:03 2019 +0000
Revision:
0:833cb2c6da5d
Child:
1:2a7edc2be6df
Rename lib; Rename func writeViaI2C -> sendViaI2C

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 0:833cb2c6da5d 13 static const int BUFFER_SIZE = 200;// Byte
x1dmoesc 0:833cb2c6da5d 14 static const bool ACK = false;
x1dmoesc 0:833cb2c6da5d 15 static const bool NACK = true;
x1dmoesc 0:833cb2c6da5d 16 static const bool INTERRUPT = false;
x1dmoesc 0:833cb2c6da5d 17
x1dmoesc 0:833cb2c6da5d 18
x1dmoesc 0:833cb2c6da5d 19 // Register Adress
x1dmoesc 0:833cb2c6da5d 20 static const int HARD_ADR = 0x50;
x1dmoesc 0:833cb2c6da5d 21 static const int USER_ADR_MASK = 0x07;
x1dmoesc 0:833cb2c6da5d 22
x1dmoesc 0:833cb2c6da5d 23 static const int CMD_RW_CS0 = 0x01;
x1dmoesc 0:833cb2c6da5d 24 static const int CMD_RW_CS1 = 0x02;
x1dmoesc 0:833cb2c6da5d 25 static const int CMD_RW_CS2 = 0x04;
x1dmoesc 0:833cb2c6da5d 26 static const int CMD_RW_CS3 = 0x08;
x1dmoesc 0:833cb2c6da5d 27
x1dmoesc 0:833cb2c6da5d 28 static const int ADR_SPI_CONF = 0xF0;
x1dmoesc 0:833cb2c6da5d 29 static const int ADR_GPIO_WRITE = 0xF4;
x1dmoesc 0:833cb2c6da5d 30 static const int ADR_GPIO_READ = 0xF5;
x1dmoesc 0:833cb2c6da5d 31 static const int ADR_GPIO_EN = 0xF6;
x1dmoesc 0:833cb2c6da5d 32 static const int ADR_GPIO_CONF = 0xF7;
x1dmoesc 0:833cb2c6da5d 33
x1dmoesc 0:833cb2c6da5d 34
x1dmoesc 0:833cb2c6da5d 35 //Bit position of register Configure SPI Interface
x1dmoesc 0:833cb2c6da5d 36 static const int SPI_BIT_ORDER = 5;
x1dmoesc 0:833cb2c6da5d 37 static const int SPI_MODE = 2;
x1dmoesc 0:833cb2c6da5d 38 static const int SPI_CLK_RATE = 0;
x1dmoesc 0:833cb2c6da5d 39
x1dmoesc 0:833cb2c6da5d 40 // Register Value SPI bit order
x1dmoesc 0:833cb2c6da5d 41 static const int SPI_BIT_ORDER_MSB = 0; // MSB of the data word is transmitted first
x1dmoesc 0:833cb2c6da5d 42 static const int SPI_BIT_ORDER_LSB = 1; // LSB of the data word is transmitted first
x1dmoesc 0:833cb2c6da5d 43
x1dmoesc 0:833cb2c6da5d 44 // Register Value SPI Mode (CPOL, CPHA)
x1dmoesc 0:833cb2c6da5d 45 static const int SPI_MODE_00 = 0;
x1dmoesc 0:833cb2c6da5d 46 static const int SPI_MODE_01 = 1;
x1dmoesc 0:833cb2c6da5d 47 static const int SPI_MODE_10 = 2;
x1dmoesc 0:833cb2c6da5d 48 static const int SPI_MODE_11 = 3;
x1dmoesc 0:833cb2c6da5d 49
x1dmoesc 0:833cb2c6da5d 50 //Register Value - Clock Rate
x1dmoesc 0:833cb2c6da5d 51 static const int SPI_RATE_58K = 0;
x1dmoesc 0:833cb2c6da5d 52 static const int SPI_RATE_115K = 1;
x1dmoesc 0:833cb2c6da5d 53 static const int SPI_RATE_461K = 2;
x1dmoesc 0:833cb2c6da5d 54 static const int SPI_RATE_1M8 = 3;
x1dmoesc 0:833cb2c6da5d 55
x1dmoesc 0:833cb2c6da5d 56
x1dmoesc 0:833cb2c6da5d 57
x1dmoesc 0:833cb2c6da5d 58 // Bist position of Register GPIO Enable
x1dmoesc 0:833cb2c6da5d 59 static const int GPIO_CS0 = 0;
x1dmoesc 0:833cb2c6da5d 60 static const int GPIO_CS1 = 1;
x1dmoesc 0:833cb2c6da5d 61 static const int GPIO_CS2 = 2;
x1dmoesc 0:833cb2c6da5d 62 static const int GPIO_CS3 = 3;
x1dmoesc 0:833cb2c6da5d 63
x1dmoesc 0:833cb2c6da5d 64
x1dmoesc 0:833cb2c6da5d 65
x1dmoesc 0:833cb2c6da5d 66 // Bit position of Register GPIO config
x1dmoesc 0:833cb2c6da5d 67 static const int GPIO_CONF_CS0 = 0;
x1dmoesc 0:833cb2c6da5d 68 static const int GPIO_CONF_CS1 = 2;
x1dmoesc 0:833cb2c6da5d 69 static const int GPIO_CONF_CS2 = 4;
x1dmoesc 0:833cb2c6da5d 70 static const int GPIO_CONF_CS3 = 6;
x1dmoesc 0:833cb2c6da5d 71
x1dmoesc 0:833cb2c6da5d 72
x1dmoesc 0:833cb2c6da5d 73 // Register Value of GPIO config
x1dmoesc 0:833cb2c6da5d 74 static const int BIDIRECTIONAL = 0; // quasi bidirecitonal
x1dmoesc 0:833cb2c6da5d 75 static const int PUSH_PULL = 1; //
x1dmoesc 0:833cb2c6da5d 76 static const int INPUT_ONLY = 2; // high impedance
x1dmoesc 0:833cb2c6da5d 77 static const int OPEN_DRAIN = 3; // needs an external pullup
x1dmoesc 0:833cb2c6da5d 78
x1dmoesc 0:833cb2c6da5d 79
x1dmoesc 0:833cb2c6da5d 80 const int iINT;
x1dmoesc 0:833cb2c6da5d 81
x1dmoesc 0:833cb2c6da5d 82 // public
x1dmoesc 0:833cb2c6da5d 83 SC18IS602(I2C *_i2c, uint8_t uiAdr);
x1dmoesc 0:833cb2c6da5d 84 SC18IS602(I2C *_i2c, PCA9555 *_pca , uint8_t uiAdr); //
x1dmoesc 0:833cb2c6da5d 85 SC18IS602(I2C *_i2c, DigitalIn *_IntPin, uint8_t uiAdr); //
x1dmoesc 0:833cb2c6da5d 86
x1dmoesc 0:833cb2c6da5d 87
x1dmoesc 0:833cb2c6da5d 88 bool configSPI(uint8_t uiConf);
x1dmoesc 0:833cb2c6da5d 89 bool enableGPIO(uint8_t uiConf);
x1dmoesc 0:833cb2c6da5d 90 bool configGPIO(uint8_t uiConf);
x1dmoesc 0:833cb2c6da5d 91
x1dmoesc 0:833cb2c6da5d 92 bool GPIO_pin3_on();
x1dmoesc 0:833cb2c6da5d 93 bool GPIO_pin3_off();
x1dmoesc 0:833cb2c6da5d 94 bool gpio_toggle(uint8_t uiPort);
x1dmoesc 0:833cb2c6da5d 95
x1dmoesc 0:833cb2c6da5d 96 bool sendViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
x1dmoesc 0:833cb2c6da5d 97 bool readViaSPI(char cAdrByte, char *cDataBytes, uint8_t uiNum);
x1dmoesc 0:833cb2c6da5d 98
x1dmoesc 0:833cb2c6da5d 99
x1dmoesc 0:833cb2c6da5d 100 bool getInt();
x1dmoesc 0:833cb2c6da5d 101 bool clearInt();
x1dmoesc 0:833cb2c6da5d 102
x1dmoesc 0:833cb2c6da5d 103 private: // private
x1dmoesc 0:833cb2c6da5d 104 I2C *i2c; // Serial Data & Clock
x1dmoesc 0:833cb2c6da5d 105 PCA9555 *pca;
x1dmoesc 0:833cb2c6da5d 106 DigitalIn *IntPin; // Interrupt pin
x1dmoesc 0:833cb2c6da5d 107
x1dmoesc 0:833cb2c6da5d 108
x1dmoesc 0:833cb2c6da5d 109 bool sendViaI2C(const char *cData, int iLength, string sDebug = "");
x1dmoesc 0:833cb2c6da5d 110 bool readViaI2C(char *cData, int iLength, string sDebug = "");
x1dmoesc 0:833cb2c6da5d 111
x1dmoesc 0:833cb2c6da5d 112
x1dmoesc 0:833cb2c6da5d 113
x1dmoesc 0:833cb2c6da5d 114
x1dmoesc 0:833cb2c6da5d 115 // variable
x1dmoesc 0:833cb2c6da5d 116 bool bAck;
x1dmoesc 0:833cb2c6da5d 117 unsigned int uiNumByte;
x1dmoesc 0:833cb2c6da5d 118 char cCmd[BUFFER_SIZE];
x1dmoesc 0:833cb2c6da5d 119
x1dmoesc 0:833cb2c6da5d 120 const uint8_t SC18IS602_W; // const write-address
x1dmoesc 0:833cb2c6da5d 121 const uint8_t SC18IS602_R; // const read-address
x1dmoesc 0:833cb2c6da5d 122
x1dmoesc 0:833cb2c6da5d 123
x1dmoesc 0:833cb2c6da5d 124 char cDebug[100];
x1dmoesc 0:833cb2c6da5d 125
x1dmoesc 0:833cb2c6da5d 126 };
x1dmoesc 0:833cb2c6da5d 127
x1dmoesc 0:833cb2c6da5d 128
x1dmoesc 0:833cb2c6da5d 129 #endif