SPCommunication.h

00001 #ifndef SPCOMMUNICATION
00002 #define SPCOMMUNICATION
00003 #include "crc8.h"
00004 
00005 #define CRC8INIT    0x00
00006 #define CRC8POLY    0x18              //0X18 = X^8+X^5+X^4+X^0
00007 #include <stdint.h>
00008 #include "mbed.h"
00009 #include <stdlib.h>
00010 
00011 
00012 
00013 const uint8_t crc8_table[256]={
00014 0x00,0x07,0x0E,0x09,0x1C,0x1B,0x12,0x15,0x38,0x3F,0x36,0x31,0x24,0x23,0x2A,0x2D,
00015 0x70,0x77,0x7E,0x79,0x6C,0x6B,0x62,0x65,0x48,0x4F,0x46,0x41,0x54,0x53,0x5A,0x5D,
00016 0xE0,0xE7,0xEE,0xE9,0xFC,0xFB,0xF2,0xF5,0xD8,0xDF,0xD6,0xD1,0xC4,0xC3,0xCA,0xCB,
00017 0x90,0x97,0x9E,0x99,0x8C,0x8B,0x82,0x85,0xA8,0xAF,0xA6,0xA1,0xB4,0xB3,0xBA,0xBD,
00018 0xC7,0xC0,0xC9,0xCE,0xDB,0xDC,0xD5,0xD2,0xFF,0xF8,0xF1,0xF6,0xE3,0xE4,0xED,0xEA,
00019 0xB7,0xB0,0xB9,0xBE,0xAB,0xAC,0xA5,0xA2,0x8F,0x88,0x81,0x86,0x93,0x94,0x9D,0x9A,
00020 0x27,0x20,0x29,0x2E,0x3B,0x3C,0x35,0x32,0x1F,0x18,0x11,0x16,0x03,0x04,0x0D,0x0A,
00021 0x57,0x50,0x59,0x5E,0x4B,0x4C,0x45,0x42,0x6F,0x68,0x61,0x66,0x73,0x74,0x7D,0x7A,
00022 0x89,0x8E,0x87,0x80,0x95,0x92,0x9B,0x9C,0xB1,0xB6,0xBF,0xB8,0xAD,0xAA,0xA3,0xA4,
00023 0xF9,0xFE,0xF7,0xF0,0xE5,0xE2,0xEB,0xEC,0xC1,0xC6,0xCF,0xC8,0xDD,0xDA,0xD3,0xD4,
00024 0x69,0x6E,0x67,0x60,0x75,0x72,0x7B,0x7C,0x51,0x56,0x5F,0x58,0x4D,0x4A,0x43,0x44,
00025 0x19,0x1E,0x17,0x10,0x05,0x02,0x0B,0x0C,0x21,0x26,0x2F,0x28,0x3D,0x3A,0x33,0x34,
00026 0x4E,0x49,0x40,0x47,0x52,0x55,0x5C,0x5B,0x76,0x71,0x78,0x7F,0x6A,0x6D,0x64,0x63,
00027 0x3E,0x39,0x30,0x37,0x22,0x25,0x2C,0x2B,0x06,0x01,0x08,0x0F,0x1A,0x1D,0x14,0x13,
00028 0xAE,0xA9,0xA0,0xA7,0xB2,0xB5,0xBC,0xBB,0x96,0x91,0x98,0x9F,0x8A,0x8D,0x84,0x83,
00029 0xDE,0xD9,0xD0,0xD7,0xC2,0xC5,0xCC,0xCB,0xE6,0xE1,0xE8,0xEF,0xFA,0xFD,0xF4,0xF3
00030 
00031 }; 
00032 
00033 class SPCommunication
00034 {
00035  public:
00036     //callback function
00037     void Rxint();
00038     
00039     uint8_t handleData();
00040     //constructor
00041     SPCommunication();
00042     SPCommunication(PinName tx,PinName rx,uint32_t bRate);
00043     uint8_t * RequestData(uint8_t* data);
00044     
00045     uint32_t getPower();
00046     bool getStateRelay();
00047     bool setStateRelay(uint8_t st);
00048     uint32_t getVoltage();
00049     uint32_t getCurrent();
00050     uint32_t getPowerFactor();
00051     uint32_t getEnergy();
00052     void printData();
00053     uint8_t getCRC(uint8_t val);
00054     uint8_t readData();
00055     Serial SPUart;
00056     
00057  private:
00058      uint8_t size;
00059     uint8_t *DataArr;
00060     uint8_t checkSum(uint8_t const message[], int nBytes);
00061      
00062     
00063     uint8_t RxBuffer[128];
00064 
00065     uint8_t r;
00066     uint8_t w;
00067     
00068    
00069     
00070     
00071     
00072 };
00073 #endif