UPD77533 datasheet(95/104 Pages) RENESAS

95 / 104 page

Data Sheet S15671EJ4V0DS

µµµµPD77533

}

return;

}

/*-----------------------------------------------------------------------------

Function

Copy response from GM to response information

Parameter

None

Return Value

None

---------------------------------------------------------------------------- */

static void CopyGmRes(void)

{

ResInfo.GmResCnt += 1;

ResInfo.GmResLen = GmComm.CurrentLen[SERIAL_IN];

memcpy(ResInfo.GmResData, GmComm.BinData[SERIAL_IN], ResInfo.GmResLen);

ResInfo.GmResFixed = TRUE;

return;

}

/*-----------------------------------------------------------------------------

Function

Check response from GM

Parameter

None

Return Value

None

---------------------------------------------------------------------------- */

static void CheckGmRes(void)

{

unsigned char Flag;

int Len;

Len = GmComm.CurrentLen[SERIAL_IN];

Flag = GmComm.BinData[SERIAL_IN][Len-1];

if((Flag == PACKET_FLG) || (Flag == PACKET_FLG_CONT))

{

if(((Len == 3) && (memcmp(GmComm.BinData[SERIAL_IN], ServerACK, sizeof(ServerACK)) == 0)) ||

((Len == 4) && (memcmp(GmComm.BinData[SERIAL_IN], LocalACK, sizeof(LocalACK)) == 0)))

{

Response is ACK */

if(GmComm.AckNackWait)

DiscardLastPacket();

#if 0

else

Unnecessary ACK is received from GM when ACK/NACK is not being waited for

#endif

}

else if((Len == 4) && (memcmp(GmComm.BinData[SERIAL_IN], BothNACK, sizeof(BothNACK)) == 0))

{

Response is NACK */

if(GmComm.AckNackWait)

ResendLastPacket();

UPD77533 Arkusz danych(PDF) 95 Page - Renesas Technology Corp

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