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simbc.cpp
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simbc.cpp
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#include "stdafx.h"
#include "simbc.h"
#include "wordParser.h"
extern SimBC *bc;
SimBC::SimBC(void)
{
llogDebug("BC","Init BC");
initRegAddress();
clearRegs(true);
//initForTest();
m_bcFrameMsgCountA = 0;
m_bcFrameMsgCountB = 0;
m_busChannelA.m_busFull = 0;
m_busChannelB.m_busFull = 0;
Reg::timeRecorder = 0;
m_bcCurrentFrameTimeConsuming = 0;
m_bcCurrentMsgTimeConsuming = 0;
m_bcCurrentIdleTime = 0;
m_bcIsFirstForAreaB = true;
m_bcIsFirstForAreaA = true;
m_bcIsRetrying = false;
m_bcCurrentMsgCyc = 0;
m_bcCurrentMsgRetryCyc = 0;
m_bcCurrentMsgCycCount = 0;
m_currentRetryCount = 0;
m_bcFrameCountA = 0;
m_bcFrameCountB = 0;
m_bcProcessedMsgCount = 0;
for(int i = 0; i < MEMSIZE; i++)
{
Mem::mem[i] = 0;
}
m_bcBackUp = NULL;
}
SimBC::SimBC(char *fileName)
{
loadConfiguration(fileName,true);
//SimBC::SimBC(*bc);
*this = *bc;
delete bc;
bc = NULL;
m_bcBackUp = NULL;
}
SimBC::~SimBC()
{
if(m_bcBackUp)
{
m_bcBackUp->m_bcBackUp = NULL;
delete m_bcBackUp;
m_bcBackUp = NULL;
}
}
void SimBC::bcRestore()
{
if (m_bcBackUp)
{
*this = *m_bcBackUp;
}
}
void SimBC::bcSave()
{
if (m_bcBackUp)
{
*m_bcBackUp = *this;
}
else {
m_bcBackUp = new SimBC;
*m_bcBackUp = *this;
}
}
INT16 SimBC::initRegAddress(void)
{
//Need to be optimized
//Init the read reg
Reg::regRead[INT_MASK_REG_WR_ADDR] = &Reg::intMaskReg_read;
Reg::regRead[CONFIG_REG_1_WR_ADDR] = &Reg::configReg_1_read;
Reg::regRead[CONFIG_REG_2_WR_ADDR] = &Reg::configReg_2_read;
Reg::regRead[CMD_STACK_PTR_REG_R_ADDR] = &Reg::cmdStackPtrReg_read;
Reg::regRead[BC_CTRL_WORD_REG_WR_ADDR] = &Reg::bcCtrlWordReg_read;
Reg::regRead[TIME_TAG_REG_WR_ADDR] = &Reg::timeTagReg_read;
Reg::regRead[INT_STATUS_REG_R_ADDR] = &Reg::intStatusReg_read;
Reg::regRead[CONFIG_REG_3_WR_ADDR] = &Reg::configReg_3_read;
Reg::regRead[CONFIG_REG_4_WR_ADDR] = &Reg::configReg_4_read;
Reg::regRead[CONFIG_REG_5_WR_ADDR] = &Reg::configReg_5_read;
Reg::regRead[10] = NULL;
Reg::regRead[BC_FRAME_TIME_REMAIN_REG_R_ADDR] = &Reg::bcFrameTimeRemainReg_read;
Reg::regRead[BC_MSG_TIME_REMAIN_REG_R_ADDR] = &Reg::bcMsgTimeRemainReg_read;
Reg::regRead[BC_FRAME_TIME_REG_WR_ADDR] = &Reg::bcFrameTimeReg_read;
Reg::regRead[14] = NULL;
Reg::regRead[15] = NULL;
//Init the write reg
Reg::regWrite[INT_MASK_REG_WR_ADDR] = &Reg::intMaskReg_write;
Reg::regWrite[CONFIG_REG_1_WR_ADDR] = &Reg::configReg_1_write;
Reg::regWrite[CONFIG_REG_2_WR_ADDR] = &Reg::configReg_2_write;
Reg::regWrite[START_RESET_REG_W_ADDR] = &Reg::startResetReg_write;
Reg::regWrite[BC_CTRL_WORD_REG_WR_ADDR] = &Reg::bcCtrlWordReg_write;
Reg::regWrite[TIME_TAG_REG_WR_ADDR] = &Reg::timeTagReg_write;
Reg::regWrite[6] = NULL;
Reg::regWrite[CONFIG_REG_3_WR_ADDR] = &Reg::configReg_3_write;
Reg::regWrite[CONFIG_REG_4_WR_ADDR] = &Reg::configReg_4_write;
Reg::regWrite[CONFIG_REG_5_WR_ADDR] = &Reg::configReg_5_write;
Reg::regWrite[10] = NULL;
Reg::regWrite[11] = NULL;
Reg::regWrite[12] = NULL;
Reg::regWrite[BC_FRAME_TIME_REG_WR_ADDR] = &Reg::bcFrameTimeReg_write;
Reg::regWrite[14] = NULL;
Reg::regWrite[15] = NULL;
return 0;
}
UINT16 SimBC::memWrite(UINT16 addr, UINT16 data)
{
UINT16 returnVal = Mem::memWrite(addr,data);
if(Reg::configReg_1 & 0x2000)
{
if(addr == BC_MSG_CNT_B_ADDR)
llogInfo("BC MsgB","Msg Count : %u",0xffff - data);
}
else
{
if(addr == BC_MSG_CNT_A_ADDR)
llogInfo("BC MsgA","Msg Count : %u",0xffff - data);
}
return returnVal;
}
UINT16 SimBC::bcDump(int len, void * buffAddr)
{
if (sizeof(bu61580_sharemem_struct) > len)
{
llogWarn("BCDump","Needs larger buffer size");
return 1;
}
bu61580_sharemem_struct *buffStruct = (bu61580_sharemem_struct*)buffAddr;
for(int i = 0; i <= 0xf; i++)
{
if (Reg::regRead[i])
{
buffStruct->reg[i] = (this->*Reg::regRead[i])();
}
else
{
buffStruct->reg[i] = 0;
}
}
for (int i = 0; i<= 0xfff; i++)
{
buffStruct->mem[i] = Mem::mem[i];
}
return 0;
}
UINT32 SimBC::OnData(UINT32 len, void * data)
{
//memDump();
if(len < (4 + 32) * sizeof(UINT16)) {
return 2;//Insufficient Buffer size
}
if (Reg::bcCtrlWordReg & 0X0080)
{
if(!m_bcIsRetrying)
{
return m_busChannelB.OnData(len, data);
}
else if(m_currentRetryCount == 1)
{
if(Reg::configReg_4 & 0x0100)
{
return m_busChannelA.OnData(len, data);
}
else
{
return m_busChannelB.OnData(len, data);
}
}
else if(m_currentRetryCount == 2)
{
if(Reg::configReg_4 & 0x0080)
{
return m_busChannelA.OnData(len, data);
}
else
{
return m_busChannelB.OnData(len, data);
}
}
}
else
{
return m_busChannelA.OnData(len, data);
}
return 0;
}
UINT16 SimBC::memDump()
{
UINT16 msgCount = 0;
if(Reg::configReg_1 & 0x2000)
{
msgCount = memRead(BC_MSG_CNT_B_ADDR);
}
else
{
msgCount = memRead(BC_MSG_CNT_A_ADDR);
}
llogInfo("Mem Dump","Msg count:0x%X",msgCount);
return 0;
}
void SimBC::bcStep(void)
{
if (!Reg::isHalted)
{
//llogDebug("BC","Step");
//Init a msg transfer
if ((m_bcIsRetrying && !m_bcCurrentMsgRetryCyc) || !m_bcCurrentMsgCyc)
{
if (m_bcIsRetrying || bcIsRightTimeToStartMSG())
{
if (!m_bcIsRetrying)
{
bcStratMsg();
}
bcWordTransfer();// After execute this function,m_bcCurrentMsgCycCount will be the right value, and m_bcCurrentMsgCyc will be 1.
}
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc) || m_bcCurrentMsgCyc) //If BC has message to transfer, the m_bcCurrentMsgCyc will greater than 0
{
bcWordTransfer();
if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc && m_bcCurrentMsgRetryCyc == m_bcCurrentMsgCycCount) || (m_bcCurrentMsgCyc && m_bcCurrentMsgCyc == m_bcCurrentMsgCycCount))
{
bcEndMsg();
}
}
else //It is not the right time to transfer data
{
}
}
else //BC is halted
{
}
}
bool SimBC::bcIsRightTimeToStartMSG()
{
m_bcIsRetrying = 0;
m_currentRetryCount = 0;
m_bcCurrentMsgRetryCyc = 0;
if(Reg::configReg_1 & 0x2000)
{
//Begin to send a frame, initialize the variables
if (!m_bcFrameMsgCountB || (m_bcFrameMsgCountB == 0xFFFF && (Reg::configReg_3 & 0x8000) && (Reg::configReg_1 & 0x0100))) //The first init or auto repeat
{
//Enhance mode and auto repeat frame
if ((Reg::configReg_3 & 0x8000) && (Reg::configReg_1 & 0x0100) )
{
UINT16 initStackAddrForB = memRead(BC_STACK_POINTER_B_INITIAL_ADDR);
UINT16 initMsgCountForB = memRead(BC_MSG_CNT_B_INITIAL_ADDR);
memWrite(BC_STACK_POINTER_B_ADDR,initStackAddrForB);
memWrite(BC_MSG_CNT_B_ADDR,initMsgCountForB);
}
m_bcIsFirstForAreaB = true;
//Init the msg count, and the msg sequence
m_bcFrameMsgCountB = memRead(BC_MSG_CNT_B_ADDR);
}
//Msg count is zero
UINT16 msgCountB = memRead(BC_MSG_CNT_B_ADDR);
if (0xFFFF == msgCountB|| !msgCountB)
{
return false;
}
//Read the msg block pointer
}
else
{
if (!m_bcFrameMsgCountA || (m_bcFrameMsgCountB == 0xFFFF && (Reg::configReg_3 & 0x8000) && (Reg::configReg_1 & 0x0100)))
{
//Enhance mode and auto repeat frame
if ((Reg::configReg_3 & 0x8000) && (Reg::configReg_1 & 0x0100) )
{
UINT16 initStackAddrForA = memRead(BC_STACK_POINTER_A_INITIAL_ADDR);
UINT16 initMsgCountForA = memRead(BC_MSG_CNT_A_INITIAL_ADDR);
memWrite(BC_STACK_POINTER_A_ADDR,initStackAddrForA);
memWrite(BC_MSG_CNT_A_ADDR,initMsgCountForA);
}
//Init the msg count, and the msg sequence
m_bcIsFirstForAreaA = true;
m_bcFrameMsgCountA = memRead(BC_MSG_CNT_A_ADDR);
}
UINT16 msgCountA = memRead(BC_MSG_CNT_A_ADDR);
if (0xFFFF == msgCountA || !msgCountA)
{
return false;
}
}
if ((Reg::configReg_3 & 0X8000) && (Reg::configReg_1 & 0X0010))//Check msg gap
{
if(Reg::configReg_1 & 0x2000)
{
if(m_bcIsFirstForAreaB && !m_bcFrameCountB)
{
m_bcIsFirstForAreaB = false;
m_currentRetryCount = 0;
m_bcFrameCountB ++;
m_bcCurrentFrameTimeConsuming = 0;
m_bcCurrentMsgTimeConsuming = 0;
return true;
}
}
else
{
if(m_bcIsFirstForAreaA && !m_bcFrameCountA)
{
m_bcIsFirstForAreaA = false;
m_currentRetryCount = 0;
m_bcFrameCountA ++;
m_bcCurrentFrameTimeConsuming = 0;
m_bcCurrentMsgTimeConsuming = 0;
return true;
}
}
if((Reg::configReg_3 & 0x8000) && (Reg::startResetReg & 0x0100))//Auto repeat frame
{
if((m_bcIsFirstForAreaA && m_bcFrameCountA)||(m_bcIsFirstForAreaB && m_bcFrameCountB))
{
if(Reg::bcFrameTimeReg * 100 <= m_bcCurrentFrameTimeConsuming + m_bcCurrentIdleTime + 20)//Check if frame time is ok
{
INT32 timeElapsed = Reg::bcFrameTimeReg * 100 - m_bcCurrentFrameTimeConsuming - m_bcCurrentIdleTime;
if(timeElapsed)
{
Reg::timeRecorder += timeElapsed;
m_bcCurrentIdleTime += timeElapsed;
updateTimeReg();
}
return true;
}
else
{
m_bcCurrentIdleTime += 20;
Reg::timeRecorder += 20;
updateTimeReg();
return false;
}
}
}
UINT16 timeGap = memRead(Reg::cmdStackPtrReg + 2);
if (timeGap <= m_bcCurrentMsgTimeConsuming + m_bcCurrentIdleTime + 20)
{
INT32 timeElapsed = timeGap - m_bcCurrentMsgTimeConsuming - m_bcCurrentIdleTime;
if (timeElapsed)
{
Reg::timeRecorder += timeElapsed;
m_bcCurrentIdleTime += timeElapsed;
updateTimeReg();
}
m_bcCurrentMsgTimeConsuming = 0;
m_currentRetryCount = 0;
return true;
}
else
{
m_bcCurrentIdleTime += 20;
Reg::timeRecorder += 20;
updateTimeReg();
return false;
}
}
m_currentRetryCount = 0;
return true;
}
UINT16 SimBC::bcStratMsg(void)
{
llogInfo("MSG Begin ","=============================================");
genIRQ();
m_currentRetryCount = 0;
m_bcCurrentMsgTimeConsuming = 0;
m_bcCurrentIdleTime = 0;
//Current area is B
if(Reg::configReg_1 & 0x2000)
{
//Read the msg block pointer, and write back to the memory after decreasing the msg count
Reg::cmdStackPtrReg = memRead(BC_STACK_POINTER_B_ADDR);
}
else
{
//Read the msg block pointer, and write back to the memory after decreasing the msg count
Reg::cmdStackPtrReg = memRead(BC_STACK_POINTER_A_ADDR);
}
bcAnalyzeMsg();
return 0;
}
UINT16 SimBC::bcEndMsg(void)
{
m_bcProcessedMsgCount ++;
//Current active area is b
if (Reg::configReg_1 & 0x2000)
{
memWrite(BC_STACK_POINTER_B_ADDR,Reg::cmdStackPtrReg + 4);
UINT16 msgCountForB = memRead(BC_MSG_CNT_B_ADDR);
memWrite(BC_MSG_CNT_B_ADDR, msgCountForB + 1);
m_bcFrameMsgCountB ++;
}
else
{
memWrite(BC_STACK_POINTER_A_ADDR,Reg::cmdStackPtrReg + 4);
UINT16 msgCountForA = memRead(BC_MSG_CNT_A_ADDR);
memWrite(BC_MSG_CNT_A_ADDR, msgCountForA + 1);
m_bcFrameMsgCountA ++;
}
m_bcCurrentMsgCyc = 0;
m_bcCurrentMsgCycCount = 0;
m_bcIsRetrying = 0;
m_bcCurrentMsgRetryCyc = 0;
m_currentRetryCount = 0;
if(Reg::startResetReg & 0x0040)
{
Reg::isHalted = true;
}
if((Reg::startResetReg & 0x0020) && 0)
{
}
genIRQ();
llogInfo("MSG End ","=============================================\n");
return 0;
}
UINT16 SimBC::bcAnalyzeMsg(void)
{
UINT16 blockStatusWord = memRead(Reg::cmdStackPtrReg);
//Not end of message
blockStatusWord &= 0x7fff;
//Start of message
blockStatusWord |= 0x4000;
//Init the cyc count
m_bcCurrentMsgCyc = 0;
m_msgBlockAddr = memRead(Reg::cmdStackPtrReg + 3);
UINT16 blockCtrlWord = memRead(m_msgBlockAddr);
Reg::bcCtrlWordReg = blockCtrlWord;
UINT16 timeRegValue = Reg::timeTagReg;
memWrite(Reg::cmdStackPtrReg + 1, timeRegValue);
memWrite(Reg::cmdStackPtrReg, blockStatusWord);
m_msgCmdWord = memRead(m_msgBlockAddr + 1);
UINT16 address=m_msgCmdWord>>11;
UINT16 wordCount_modeCode=m_msgCmdWord&0X001F;
UINT16 t_r=m_msgCmdWord&0X0400;
UINT16 subAddress=(m_msgCmdWord>>5)&0X001F;
if (subAddress == 0 || subAddress == 31)
{
blockCtrlWord &= 0xFFF8;
blockCtrlWord |= 0x0004;
if (address == 31 )
{
blockCtrlWord |= 0x0002;
}
}
else if (address == 31)
{
if (!t_r)
{
blockCtrlWord &= 0xFFF8;
blockCtrlWord |= 0x0002;
}
}
memWrite(m_msgBlockAddr,blockCtrlWord);
Reg::bcCtrlWordReg = blockCtrlWord;
//Analyze the msg type
switch(blockCtrlWord & 0X0007)
{
case BC_RT:
{
//At least, it should be 2;
m_bcCurrentMsgCycCount = 2;
if (m_msgCmdWord & 0X0001F)
{
m_bcCurrentMsgCycCount += (m_msgCmdWord & 0x0001f);//Count of data
}
else
{
m_bcCurrentMsgCycCount += 32;
}
//for loop back last data word and wait cyc
m_bcCurrentMsgCycCount += 2;
break;
}
case RT_RT:
{
m_bcCurrentMsgCycCount = 4;
m_msgSecondCmdWord = memRead(m_msgBlockAddr + 2);
if (m_msgCmdWord & 0X0001F)
{
m_bcCurrentMsgCycCount += (m_msgCmdWord & 0x0001f);//Count of data
}
else
{
m_bcCurrentMsgCycCount += 32;
}
//For loop back transmit command word and wait status word
m_bcCurrentMsgCycCount += 2;
break;
}
case BCAST:
{
m_bcCurrentMsgCycCount = 1;
if (m_msgCmdWord & 0X0001F)
{
m_bcCurrentMsgCycCount += (m_msgCmdWord & 0x0001f);//Count of data
}
else
{
m_bcCurrentMsgCycCount += 32;
}
//For loop back last data word
m_bcCurrentMsgCycCount += 1;
break;
}
case RT_RT_BCAST:
{
m_bcCurrentMsgCycCount = 3;
m_msgSecondCmdWord = memRead(m_msgBlockAddr + 2);
if (m_msgCmdWord & 0X0001F)
{
m_bcCurrentMsgCycCount += (m_msgCmdWord & 0x0001f);//Count of data
}
else
{
m_bcCurrentMsgCycCount += 32;
}
//Loop back for transmit command word and wait status word
m_bcCurrentMsgCycCount += 2;
break;
}
case MODE_CODE:
{
//Loop back ans wait status word
m_bcCurrentMsgCycCount = 2;
//Has a data word
if ((m_msgCmdWord & 0x001f) >= 16)
{
m_bcCurrentMsgCycCount += 3;
}
else
{
m_bcCurrentMsgCycCount += 2;
}
break;
}
case MODE_CODE_BCAST:
{
//Loop back
m_bcCurrentMsgCycCount = 1;
if ((m_msgCmdWord & 0x001f) >= 16)
{
m_bcCurrentMsgCycCount += 2;
}
else
{
m_bcCurrentMsgCycCount += 1;
}
break;
}
default:
break;
}
return 0;
}
UINT16 SimBC::bcWordTransfer(void)
{
UINT16 blockCtrlWord = Reg::bcCtrlWordReg;
switch(blockCtrlWord & 0X0007)
{
case BC_RT:
{
//Transmit
if (m_msgCmdWord & 0x0400)
{
bcRTBCTransfer();
}
else {
bcBCRTTransfer();
}
break;
}
case RT_RT:
{
bcRTRTTransfer();
break;
}
case BCAST:
{
bcBroadcastTransfer();
break;
}
case RT_RT_BCAST:
{
bcRTBroadcastTransfer();
break;
}
case MODE_CODE:
{
if ((m_msgCmdWord & 0x001f) >= 16)
{
if (m_msgCmdWord & 0x0400)
{
bcModeCodeTXDataTransfer();
}
else
{
bcModeCodeRXDataTransfer();
}
}
else
{
bcModeCodeNoDataTransfer();
}
break;
}
case MODE_CODE_BCAST:
{
if ((m_msgCmdWord & 0x001f) >= 16)
{
bcModeCodeDataBroadcastTransfer();
}
else
{
bcModeCodeNoDataBroadcastTransfer();
}
break;
}
default:
break;
}
return 0;
}
UINT16 SimBC::bcProcessStatusWord(UINT16 statusWord, UINT16 commandWord)
{
//wordParse("BC",DATA_TYPE_STATUS_WORD,Reg::timeTagReg,statusWord);
llogDebug("BC","Process status word");
Reg::timeRecorder += 10;
updateTimeReg();
m_bcCurrentMsgTimeConsuming += 10;
m_bcCurrentFrameTimeConsuming += 10;
UINT16 responseAddress = (statusWord & 0xf800) >> 11;
UINT16 expectAddress = (commandWord & 0xf800) >> 11;
if(expectAddress == responseAddress)
{
llogDebug("BC","Responded RT address is right");
UINT16 isError = statusWord & 0x0400;
UINT16 isBusy = statusWord & 0x0008;
if(isError || isBusy)
{
llogWarn("BC","Responded RT is busy or error!");
//Enhance mode and retry enabled
if((Reg::configReg_3 & 0x8000) && (Reg::configReg_1 &0x0010))
{
//Expand control word and retry enabled control word
if(((Reg::configReg_4 & 0x1000) && (Reg::bcCtrlWordReg & 0x0100))
|| (!(Reg::configReg_4 & 0x1000)))
{
UINT16 maxRetryCount = (Reg::configReg_1 & 0x0008)? 2:1;
if(m_currentRetryCount < maxRetryCount)
{
llogInfo("BC","maxRetryCount=%u,and m_currentRetryCount=%u,BC will retry",maxRetryCount,m_currentRetryCount);
m_bcIsRetrying = true;
m_currentRetryCount ++;
m_bcCurrentMsgRetryCyc = 0;
return 1;
}
}
}
m_bcIsRetrying = false;
m_bcCurrentMsgCyc = 0;
m_bcCurrentMsgRetryCyc = 0;
m_bcCurrentMsgCycCount = 0;
m_currentRetryCount = 0;
if((Reg::configReg_1 & 0x1000) || (Reg::configReg_1 & 0x0900)) //Message stop on error or frame stop on error(if auto retry frame)
{
llogFatal("BC","BC will halted!");
Reg::isHalted = true;
return 1;
}
llogWarn("BC","m_currentRetryCount exceeds maxRetryCount or doesn't allow retry,Skip this message to next message");
m_currentRetryCount = 0;
bcEndMsg();
return 1;
}
llogDebug("BC","Responded status word OK");
return 0;
}
else
{
llogError("BC","The Responded RT address is wrong");
//Enhance mode and retry enabled
if((Reg::configReg_3 & 0x8000) && (Reg::configReg_1 &0x0010))
{
//Expand control word and retry enabled control word
if(((Reg::configReg_4 & 0x1000) && (Reg::bcCtrlWordReg & 0x0100))
|| (!(Reg::configReg_4 & 0x1000)))
{
UINT16 maxRetryCount = (Reg::configReg_1 & 0x0008)? 2:1;
if(m_currentRetryCount < maxRetryCount)
{
llogInfo("BC","maxRetryCount=%u,and m_currentRetryCount=%u,BC will retry",maxRetryCount,m_currentRetryCount);
m_bcIsRetrying = true;
m_currentRetryCount ++;
m_bcCurrentMsgRetryCyc = 0;
return 1;
}
}
}
m_bcIsRetrying = false;
m_bcCurrentMsgCyc = 0;
m_bcCurrentMsgRetryCyc = 0;
m_bcCurrentMsgCycCount = 0;
m_currentRetryCount = 0;
if((Reg::configReg_1 & 0x1000) || (Reg::configReg_1 & 0x0900)) //Message stop on error or frame stop on error(if auto retry frame)
{
Reg::isHalted = true;
llogInfo("BC","BC will retry");
return 1;
}
llogWarn("BC","m_currentRetryCount exceeds maxRetryCount or doesn't allow retry,Skip this message to next message");
m_currentRetryCount = 0;
bcEndMsg();
return 1;
}
return 0;
}
UINT16 SimBC::bcBCRTTransfer(void)
{
UINT16 recvCmdWord = memRead(m_msgBlockAddr + 1);
UINT16 dataCount = 0;
UINT16 time = Reg::timeRecorder & 0xffff;
memWrite(Reg::cmdStackPtrReg + 1, time);
if (recvCmdWord & 0X0001F)
{
dataCount = (recvCmdWord & 0x0001f);//Count of data
}
else
{
dataCount = 32;
}
//Recv command
if ((m_bcIsRetrying && !m_bcCurrentMsgRetryCyc) || !m_bcCurrentMsgCyc)
{
bcSetBus(DATA_TYPE_COMMAND_WORD,time,recvCmdWord,1);
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc <= dataCount) || m_bcCurrentMsgCyc <= dataCount) {//Data word
UINT16 data;
if(m_bcIsRetrying)
{
data = memRead(m_msgBlockAddr + m_bcCurrentMsgRetryCyc + 1);
}
else
{
data = memRead(m_msgBlockAddr + m_bcCurrentMsgCyc + 1);
}
bcSetBus(DATA_TYPE_DATA_WORD,time,data,1);
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc == (dataCount + 1)) || m_bcCurrentMsgCyc == (dataCount + 1)) //Last Data Word Loop Back
{
UINT16 lastDataWord = memRead(m_msgBlockAddr + dataCount + 1);
memWrite(m_msgBlockAddr + dataCount + 2, lastDataWord);
if(m_bcIsRetrying)
{
m_bcCurrentMsgRetryCyc ++;
}
else
{
m_bcCurrentMsgCyc ++;
}
//Loop back word, step again
bcStep();
return 1;
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc == (dataCount + 2)) || m_bcCurrentMsgCyc == (dataCount + 2)) //Wait Status Word
{
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc == (dataCount + 3)) || m_bcCurrentMsgCyc == (dataCount + 3)) //Status Word
{
UINT16 busData[4];
UINT16 retValue = CheckRecvHook(4*sizeof(UINT16),&busData);
//llogDebug("EXTERN FUNCTION CALL","CheckRecv(%u,0x%x) = %u",4*sizeof(UINT16),&busData,retValue);
if (!retValue)
{
wordParse("BC ",busData[0],busData[2],busData[1]);
if (busData[0] != DATA_TYPE_STATUS_WORD)
{
//Report a error
bcRecvImproperWord();
return 1;
}
else
{
memWrite(m_msgBlockAddr + dataCount + 3,busData[1]);
if(bcProcessStatusWord(busData[1],m_msgCmdWord))
{
return 1;
}
}
}
else {
//Report a error for timeout
bcRecvTimeout();
return 1;
}
}
if(m_bcIsRetrying)
{
m_bcCurrentMsgRetryCyc ++;
}
else
{
m_bcCurrentMsgCyc ++;
}
Reg::timeRecorder += 20;//For Loop test, Reg::timeRecorder will not increase
updateTimeReg();
m_bcCurrentMsgTimeConsuming += 20;
m_bcCurrentFrameTimeConsuming += 20;
return 0;
}
UINT16 SimBC::bcRTBCTransfer(void)
{
UINT16 transCmdWord = memRead(m_msgBlockAddr + 1);
UINT16 dataCount = 0;
UINT16 time = Reg::timeRecorder & 0xFFFF;;
memWrite(Reg::cmdStackPtrReg + 1, time);
if (transCmdWord & 0X0001F)
{
dataCount = (transCmdWord & 0x0001f);//Count of data
}
else
{
dataCount = 32;
}
//Trans Command word
if ((m_bcIsRetrying && !m_bcCurrentMsgRetryCyc) || !m_bcCurrentMsgCyc)
{
bcSetBus(DATA_TYPE_COMMAND_WORD,time,transCmdWord,1);
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc == 1) || m_bcCurrentMsgCyc == 1) //Loop back trans command word
{
UINT16 lastTransCommandWord = memRead(m_msgBlockAddr + 1);
memWrite(m_msgBlockAddr + 2, lastTransCommandWord);
if(m_bcIsRetrying)
{
m_bcCurrentMsgRetryCyc ++;
}
else
{
m_bcCurrentMsgCyc ++;
}
///Loop back trans command word,Step again
bcStep();
return 1;
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc == 2) || m_bcCurrentMsgCyc == 2) //Wait Status word
{
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc == 3) || m_bcCurrentMsgCyc == 3) //Status word
{
UINT16 busData[4];
UINT16 retValue = CheckRecvHook(4*sizeof(UINT16),&busData);
//llogDebug("EXTERN FUNCTION CALL","CheckRecv(%u,0x%x) = %u",4*sizeof(UINT16),&busData,retValue);
if (!retValue)
{
wordParse("BC ",busData[0],busData[2],busData[1]);
if (busData[0] != DATA_TYPE_STATUS_WORD)
{
//Report a error
bcRecvImproperWord();
return 1;
}
else
{
memWrite(m_msgBlockAddr + 3,busData[1]);
if(bcProcessStatusWord(busData[1],m_msgCmdWord))
{
return 1;
}
}
}
else
{
//Report a error for timeout
bcRecvTimeout();
return 1;
}
}
else if ((m_bcIsRetrying && m_bcCurrentMsgRetryCyc <= (dataCount + 3)) || m_bcCurrentMsgCyc <= (dataCount + 3)) //Data word
{
UINT16 busData[4];
UINT16 retValue = CheckRecvHook(4*sizeof(UINT16),&busData);
//llogDebug("EXTERN FUNCTION CALL","CheckRecv(%u,0x%x) = %u",4*sizeof(UINT16),&busData,retValue);
if (!retValue)
{
wordParse("BC ",busData[0],busData[2],busData[1]);
if (busData[0] != DATA_TYPE_DATA_WORD)
{
//Report a error
bcRecvImproperWord();
return 1;
}
else