Diff: SPCommunication.cpp

Revision:

3:aaa92c61931a

Child:

4:721ae30c92f8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPCommunication.cpp	Mon Jul 13 13:14:34 2015 +0000
@@ -0,0 +1,221 @@
+#include "SPCommunication.h"
+
+SPCommunication::SPCommunication():SPUart(p9,p11)
+{
+    SPUart.baud(115200);
+    SPUart.attach(this,&SPCommunication::Rxint,Serial::RxIrq);
+    size=0;
+    r = 0;
+    w = 0;
+    for (int i=0;i<128;i++) RxBuffer[i]=0;
+}    
+SPCommunication::SPCommunication(PinName tx,PinName rx,uint32_t bRate): SPUart(tx,rx){
+
+    SPUart.baud(bRate);
+     SPUart.attach(this,&SPCommunication::Rxint,Serial::RxIrq);
+    size=0;
+    r = 0;
+    w = 0;
+    for (int i=0;i<128;i++) RxBuffer[i]=0;
+    
+}
+void SPCommunication::Rxint()
+{
+ // SPUart.putc(SPUart.getc());
+ 
+    while (SPUart.readable()){
+    uint8_t temp = SPUart.getc();
+    //buff.addData(temp);
+    RxBuffer[w] = temp;
+    if (++w >= 128) 
+        w = 0;
+    }
+}
+//Get crc remainder from table
+uint8_t SPCommunication::getCRC(uint8_t val)
+{ 
+    return crc8_table[val];   
+}
+
+// print all data store in ArrData in class
+void SPCommunication::printData(){
+    //SPUart.printf("szie is %02X ",size);
+    for(int i=0;i<size;i++)
+        SPUart.printf("%02X ",DataArr[i]);
+    }
+
+
+uint8_t* SPCommunication::RequestData(uint8_t* data)
+{
+ 
+ int i=0;
+    do // Send request Data
+    {
+    SPUart.printf("%c",data[i]);  
+    i++; 
+    }
+    while(data[i]!='\0');
+    wait(1);
+    uint8_t temp = readData();
+    //SPUart.printf("\r\n in int %02x",temp);
+    
+    if((uint8_t) temp == 0x7E){
+       uint8_t err = handleData();
+       if(err)
+            handleData();
+    }
+
+  return 0;
+    
+}
+
+
+uint8_t SPCommunication::handleData(){
+    delete[] DataArr;
+    
+    uint8_t message;
+    uint8_t crccheck;
+    
+    size=readData();
+    //size/=2;
+ //   SPUart.printf("\r\n Size is  %02X",size);
+    DataArr = new uint8_t[size];
+    uint8_t test[size+1];
+    test[0]=size;
+    for (uint8_t i=0;i<size;i++)
+    {
+           
+            message = readData();
+             test[i+1]=(uint8_t) message;
+             DataArr[i] = (uint8_t) message;
+            
+   //         SPUart.printf("\r\n bool Data is %d value in table %d value in ctc check %d" ,message,crc8_table[message],crccheck  );
+            
+    }
+//    printf("arr Data");
+//    for (int i=0;i<size;i++)
+//        printf("%02X ",DataArr[i]);
+    
+    crccheck=DataArr[size-1];
+
+    //printf( "\r\n val crc in arr is %02X recall fn val  ",crccheck );
+    if( crccheck == (uint8_t) crc8Compute(test,size) )
+        {
+                //SPUart.printf("hi");
+               SPUart.printf("\r\nComplete");
+                
+     //         SPUart.printf("\r\nin crc fask condition %02X add to arrData",DataArr[i]);
+               // sum+=DataArr[i];
+        }
+    else
+        {
+            SPUart.printf("\r\nfail");
+                return 1;    
+                
+        }   
+    
+    return 0;
+}
+
+//***********************************************************************************************************************************
+    //Getter method for request information abour uart
+//***********************************************************************************************************************************
+
+uint32_t SPCommunication::getVoltage()
+{
+    uint8_t com[2]={0x02,0x56};
+    uint8_t command[4] = {0x7E,0x02,0x56,(uint8_t) crc8Compute(com,2)};
+    RequestData(command);
+     uint32_t Recv ;
+    //crc8Compute(com,2);
+    memcpy(&Recv,DataArr,32);
+    
+    
+    return Recv;
+    //printData();
+
+}
+uint32_t SPCommunication::getEnergy()
+{  
+    uint8_t com[2]={ 0x02,'E'};
+    uint8_t command[4] = {0x7E,0x02,'E',(uint8_t) crc8Compute(com,2)};
+    
+}
+uint32_t SPCommunication:: getCurrent()
+{
+    uint8_t com[2]={ 0x02,'I'};
+    uint8_t command[4] = {0x7E,0x02,'I',(uint8_t) crc8Compute(com,2)};
+    RequestData(command);
+     uint32_t Recv ;
+    //crc8Compute(com,2);
+    memcpy(&Recv,DataArr+1,32);
+    return Recv;
+}
+
+
+uint32_t  SPCommunication::getPower()
+{
+    uint8_t com[2]={ 0x02,'P'};
+    uint8_t command[4] = {0x7E,0x02,'P',(uint8_t) crc8Compute(com,2)} ;
+    RequestData(command);
+    
+     uint32_t Recv ;
+    //crc8Compute(com,2);
+    memcpy(&Recv,DataArr+1,32);
+    return Recv;
+}
+
+uint32_t  SPCommunication::getPowerFactor()
+{
+    uint8_t com[2]={ 0x02,'C'};
+    uint8_t command[4] = {0x7E,0x02,'C',(uint8_t) crc8Compute(com,2) };
+    RequestData(command);
+     uint32_t Recv ;
+    //crc8Compute(com,2);
+    memcpy(&Recv,DataArr+1,32);
+    return Recv;
+    
+}
+
+bool SPCommunication::getStateRelay()
+{
+    uint8_t com[2]={ 0x02,'S'};
+    uint8_t command[4] = {0x7E,0x02,'S',(uint8_t) crc8Compute(com,2) };
+    RequestData(command);
+    
+    return DataArr[1];
+}
+
+bool SPCommunication::setStateRelay(uint8_t st)
+{
+    uint8_t* command;
+    if (st ==1){
+    uint8_t com[3]={ 0x03,'S',0x01};
+
+     uint8_t temp[] = {0x7E,0x03,'S',0x01,(uint8_t) crc8Compute(com,2) };
+     command=temp;
+    }
+    else{
+    uint8_t com[3]={ 0x03,'S',0x00};
+     uint8_t temp[] = {0x7E,0x03,'S',0x00,(uint8_t) crc8Compute(com,2) };
+     command=temp;
+    }
+    RequestData(command);
+    if(DataArr[0] == command[2] && DataArr[1] == command[3] )
+        return true;
+    
+    return false;
+        
+}
+uint8_t SPCommunication::readData()
+{
+    
+    uint8_t temp=RxBuffer[r];
+//    if (temp == 0)
+//        return 0;
+    r++;
+    if(r>=128)
+        r=0;
+    return temp;
+    
+}