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117 lines
5.4 KiB
117 lines
5.4 KiB
//#############################################################################################################################################################################################################
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#include "RSLink.h"
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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void RSLink_Init(/*USART_INTERFACE_TYPE *USART_INTERFACE, USART_IDIBUS_ROUTINE_TYPE *USART_ID_INTERFACE*/)
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{
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//RS_USI=USART_INTERFACE; // USART POINTER INIT
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//RS_USIID=USART_ID_INTERFACE;
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RS_NeedSpeedChangeFlag=0;
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//RS_LastMMES_TimeInstance=System_GetTimeInstance();
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FARG.OutData = USART1_getTxBuf(); //set RX addr
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RSLink_StatusLedInit(); // Init LEDs
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RSLink_DipsInit(); //
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RSLink_SpeedCheckAndUpdate(); // Set speed
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USART1_SetIdiBusBoudrate(RS_SpeedCode); // Set speed usart
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RSLink_AddressCheckAndUpdate(); // Set adr
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USART1_RxTransferRestart(); // Restart RX
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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uint8_t RSLink_SpeedCheckAndUpdate(void)
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{
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uint8_t SpeedDSW_Code = RSLink_SpeedDecode();
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if (RS_SpeedCode != SpeedDSW_Code) { RS_SpeedCode = SpeedDSW_Code; return 1; }
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return 0;
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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void RSLink_AddressCheckAndUpdate(void)
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{
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RS_Address = RSLink_AddrDecode();
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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void RSLink_Handler(void)
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{
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// Address and Speed Change Check Routine =======================================
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if ( (RS_NeedSpeedChangeFlag == 1) || RSLink_SpeedCheckAndUpdate() )
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{
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if ( USART1_IsTxActive() ) { RS_NeedSpeedChangeFlag = 1; }
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else { USART1_SetIdiBusBoudrate(RS_SpeedCode); RS_NeedSpeedChangeFlag = 0; }
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}
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RSLink_AddressCheckAndUpdate();
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IDIBUS_ModuleBackgroundHandler();
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if ( USART1_IsNewRxMessage() == 0 ) { return; }
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if ( USART1_IsRxError() == 1) {
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USART1_RxTransferRestart();
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return;
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}
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static uint16_t RxMessageSize;
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// Check normal Message --------------------------------------------------------->
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// Check Message size
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uint8_t RcvAddress;
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RxMessageSize = USART1_getRxBufSize();
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if ( (RxMessageSize < (MODBUS_CRC16_SIZE+1) ) || (RxMessageSize > IDIMMES_MAX_MES_SIZE) ) { USART1_RxTransferRestart(); return; }
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else
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{
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USART1_copyRxBuf( &RxMesageBuf[IDIMMES_ADDR_Pos], IDIMMES_ADDR_Pos, RxMessageSize ); // Need for CRC
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USART1_RxTransferRestart();
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RcvAddress = RxMesageBuf[IDIMMES_ADDR_Pos];
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}
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// MMESG(Module) or MMES ------------->
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if ( RcvAddress == RS_Address )
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{
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// Check CRC, copy RxBuf and Restart Transfer
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//USART1_copyRxBuf( &RxMesageBuf[IDIMMES_MMPS_Pos], IDIMMES_MMPS_Pos, (uint16_t)(RxMessageSize-1) );
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uint16_t CalculatedCRC = CRC16( RxMesageBuf, (uint16_t)(RxMessageSize-2) );
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uint16_t ReceivedCRC = (uint16_t)( ((uint16_t)RxMesageBuf[RxMessageSize-2] << 8) | RxMesageBuf[RxMessageSize-1] );
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if ( CalculatedCRC != ReceivedCRC ) { BootloaderInfo.Status=IDIFMW_STATUS_ErrorPacketCRC; return; }
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FARG.OutDataLength = IDISMES_ERROR_Pos; //Set length 2 (adr+cmd)
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uint8_t MMPS = RxMesageBuf[IDIMMES_MMPS_Pos];
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if ( (MMPS != (IDIMMES_MMPS_MES_TYPE_Msk)) || (RxMessageSize < IDIMMESG_MODULE_MIN_MES_SIZE)) {
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//IDIBUS_ResponseProtectedWrite(NULL,0,IDIERSLV_NO_FIRMWARE);
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IDIBUS_ResponseProtectedWrite(NULL, 0, IDIERSLV_INVALID_RX_REQUEST_FORMAT);
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}
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else
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{
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FARG.ComFunc = RxMesageBuf[IDIMMESG_DATA_COM_FUNC_Pos];
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//FARG.InpData = &RxMesageBuf[IDIMMESG_DATA_COM_FUNC_Pos + 1];
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FARG.InpDataLength = (uint16_t)(RxMessageSize - (IDIMMESG_DATA_COM_FUNC_Pos + 1) - MODBUS_CRC16_SIZE);
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IDIBUS_ModuleCommandHandler();
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}
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RSLink_SendSMES();
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} //if ( (RcvAddress == RS_Address) && (RxMessageSize >= IDIMMES_MIN_MES_SIZE) )
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// MMESG ------------->
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// NO RESPONSE!!!
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}
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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void RSLink_SendSMES()
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{
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if ( /*(USART1STR->ResponseTimeoutComplete == 0) &&*/ (FARG.OutDataLength > IDISMES_ERROR_Pos) )
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{
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FARG.OutData[IDISMES_ADDR_Pos] = RS_Address;
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FARG.OutData[IDISMES_SMPS_Pos] = FARG.SMPS;
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//if ( FARG.ErrorState != 0 ) { FARG.OutData[IDISMES_SMPS_Pos] |= (1U << IDISMES_SMPS_ERROR_BIT_Pos); }
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//if ( FARG.OutLongMesState != 0 ) { FARG.OutData[IDISMES_SMPS_Pos] |= (1U << IDISMES_SMPS_LONG_MES_Pos); }
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//if ( FARG.LongOpState != 0 ) { FARG.OutData[IDISMES_SMPS_Pos] |= (1U << IDISMES_SMPS_LONG_OP_Pos); }
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uint16_t crc16 = CRC16(&FARG.OutData[0], FARG.OutDataLength);
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FARG.OutData[FARG.OutDataLength++] = (uint8_t)(crc16 >> 8);
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FARG.OutData[FARG.OutDataLength++] = (uint8_t) crc16;
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USART1_SendTxBuf(FARG.OutDataLength);
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}
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}
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//#############################################################################################################################################################################################################
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