bosko lekovic
/
IO_board
IO plocana FRDM K64
SPIprotokol/IOspiConnect.cpp
- Committer:
- bosko001
- Date:
- 2021-04-30
- Revision:
- 15:3429cdc6e5f4
- Parent:
- 7:4aa3dac73b66
File content as of revision 15:3429cdc6e5f4:
#include "IOspiConnect.h" #include "mbed.h" #include "IOspitelegram.h" #include "Pinovi.h" //static DigitalOut ledZ(LED2,1); /*test */ 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; // ne treba -- loguj_telegram( "priprema predaje = ", c_tx.get_telegram() ); } else { //ledZ = !ledZ; do_readGroupCommand( c_rx.get_readCommand() ); loguj_broj(c_rx.get_readCommand()); loguj_telegram( " grupni telegram = ", c_rx.get_telegram() ); } } // 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; } /************************************************************************* */