Diff: SPIprotokol/IOspiConnect.cpp

Revision:

7:4aa3dac73b66

Child:

15:3429cdc6e5f4

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SPIprotokol/IOspiConnect.cpp	Sun Mar 21 18:20:15 2021 +0100
@@ -0,0 +1,105 @@
+#include "IOspiConnect.h"
+#include "mbed.h"
+#include "IOspitelegram.h"
+
+
+#include "Pinovi.h"
+
+
+
+static DigitalOut tast(IO_TELEGRAM_TAS_PIN,0);
+
+
+/******************************   C_spiConnect   ******************************************* */
+    C_spiConnect::C_spiConnect( ):  /*C_gpioSpi()*/ C_slaveSpi() // C_gpioSpi()
+    { byteCount = 0; clear_bitCount();  }
+
+    void C_spiConnect::spiByteTransfer( char *tx, char rx)
+     {  *tx = push_byte(rx);   }
+
+    void C_spiConnect::make_TxTelegram( char txcmnd, char rxcmnd, char data)   
+    {    c_tx.make_telegram( txcmnd, rxcmnd, data);   }
+
+   char C_spiConnect::push_byte( char b )
+   {
+       char spiWriteData = 0x66;
+
+       if(byteCount != 3 )  bytecountTimeout();
+       
+        if(!tast)
+        {
+            c_rx.set_byte(byteCount++, b);
+
+            if(byteCount == 2)   // priprema adresnog bajta predajnog telegrama
+            {
+                c_tx.set_address( );
+                spiWriteData = c_tx.get_byte( 0 );   // IOadresa
+            }  
+            else if(byteCount == 3)  // predajnog bajta komande read-a telegrama  
+            {
+                c_tx.set_readCommand(c_rx.get_readCommand());
+                c_tx.set_writeCommand( 0 );
+                spiWriteData = c_tx.get_byte( 1 );   // IOadresa
+            }  
+            else if(byteCount == 4)   // analiza celog predajnog telegrama
+            {                                
+
+loguj_telegram( "prijem  = ", c_rx.get_telegram() ); 
+
+                    if( c_rx.check_sum() )   // provera ispravnosti
+                    {
+                        if( c_rx.check_addressValidy( ))   // da li je pojedinacna ili grupna adresa validna
+                        {
+                                if( c_rx.get_readCommand( ))  // da li ima upit za citanje ?
+                                {
+                                    if( !c_rx.check_groupAddressValidy() )  // ako ima, da li je pojedinacna adresa ispravna
+                                    {
+ 
+                                        // pakujemo odgovor na upit
+                                        char readCommandResult =  do_readCommand( c_rx.get_readCommand(), c_rx.get_data() ); 
+                                        c_tx.set_data( readCommandResult);   
+                                        c_tx.set_sum();            
+                                        spiWriteData = c_tx.get_data();   
+                                        tast = 1;
+
+loguj_telegram( "priprema predaje = ", c_tx.get_telegram() ); 
+
+                                    }
+                                    else c_rx.do_readGroupCommand( c_rx.get_readCommand() ); 
+                                } // treba vremenska zastita tastovanja !!!
+
+                                if( c_rx.get_writeCommand() )    // da li ima upis ?
+                                            do_writeCommand( c_rx.get_writeCommand(), c_rx.get_data() );
+                        }
+                   }
+                    else { byteCount = 0;  clear_bitCount(); loguj_poruku((const char*)"checksum wrong\n\r"); }
+
+                byteCount = 0;
+            }  // buteCount == 4
+            else if(byteCount > 4 )  { byteCount = 0; clear_bitCount(); loguj_poruku((const char*)"broj bajtova > 4\n\r");}
+
+        }
+        else   /* Predaja tast = 1  */
+        {
+            if( byteCount++ == 0 )    spiWriteData = c_tx.get_byte( 3 ); // byteCount krenuo od nule
+            else
+            {
+                spiWriteData = 0x0;
+             
+                if(byteCount > 3)      
+                { 
+                    tast = 0; 
+//                    spiWriteData = 0x7;                
+                    byteCount = 0;
+    loguj_telegram( "predaja = ", c_tx.get_telegram() );            
+                }
+            }
+        }
+
+        
+
+   //     loguj_string_broj( "predajni bajt:", spiWriteData);
+        return spiWriteData;
+   }
+
+/************************************************************************* */