//-----------------------------------------------------------------------------
//?Module:????????isr.c
//
//?Author:????????Dennis?De?Simone
//
//?Date:??????????November?1998
//
//?Description:???This?is?the?Interrupt?Service?Routine?of?a
//????????????????serial?port?device?driver?for?Venturcom‘s
//????????????????Real?Time?Extentions?（RTX）.?
//?????????????????
//?Change?Log:
//?Date?????Person?????Code???Description
//?----?????-------????----???-----------
//?4/1/99???R.?Lee?????rl001??1）?changed?spurious?interrupt?test?in?function
//???????????????????????????????Isr（）
//????????????????????????????2）?Added?Do?loop?around?interrupt?processing
//???????????????????????????????switch?to?check?for?pending?interrupt.???
//
//-----------------------------------------------------------------------------
#include?
#include?

#include?“..\inc\types.h“
#include?“..\inc\serial.h“
#include?“..\inc\serialAPI.h“

extern???UCB???ucbList[];
extern???BYTE??*pOutBuff;
COMSTATS???csb[2];

VOID??isr（?UCB?*ucb?）;
VOID??SendNextFIFO?（?UCB?*ucb?）;
VOID??EmptyFIFO?（?UCB?*ucb?）;


void??RTFCNDCL?COM1Isr（?void?*junk）
//-----------------------------------------------------------
//?function:??????COM1Isr
//
//?description:???This?is?the?stub?ISR?for?COM1.?It?sets?up
//????????????????the?COM1?data?structures?and?registers?and
//????????????????passes?control?to?the?generic?COM?ISR
//------------------------------------------------------------
{

???isr（?&ucbList[COM1]?）;
}
void??RTFCNDCL?COM2Isr（?void?*junk）
//-----------------------------------------------------------
//?function:??????COM2Isr
//
//?description:???This?is?the?styb?ISR?for?COM1.?It?sets?up
//????????????????the?COM1?data?structures?and?registers?and
//????????????????passes?control?to?the?generic?COM?ISR
//------------------------------------------------------------
{
???isr（?&ucbList[COM2]?）;
}
?
void?isr（?UCB?*ucb?）
{
???BYTE??tempRegister;
??????
???//-----------------------------------------------
???//?Validate?the?interrupt?by?first?checking?if?
???//?we?had?one?pending.?If?we?did?then?handle?it
???//?in?the?appropriate?case?statement
???//------------------------------------------------
???

???tempRegister?=?RtReadPortUchar?（?ucb->baseAddress?+?UART_IIR?）;
???
???//if?（??!（tempRegister?&&?IIR_NO_INT_PENDING）?）???????//**rl001
???if?（??tempRegister?&?IIR_NO_INT_PENDING?）?????????????//**rl001
???{
??????//-----------------------------------
??????//?unsolicited?interrupt?-?record?it
??????//?and?dismiss?it
??????//-----------------------------------
??????ucb->lastError?=?COM_PORT_UNSOLICITED_INTERRUPT;
??????ucb->errorCount++;
??????return;
???}
???//--------------------------------------
???//?**rl001
???//?added?‘do‘?logic?to?look?for?more?
???//?than?one?pending?interrupt
???//---------------------------------------
???do
???{
??????switch?（?tempRegister?&?0x0e??）
??????{
???

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3470??1999-03-18?00:18??RTX?Serial?API\inc\RTXDispatch.h

?????文件???????8833??1999-04-05?04:53??RTX?Serial?API\inc\serial.h

?????文件???????5255??1999-06-11?13:40??RTX?Serial?API\inc\serialAPI.h

?????文件????????332??1998-12-13?12:26??RTX?Serial?API\inc\types.h

?????文件???????3626??1999-03-18?03:55??RTX?Serial?API\RtCOMLib\data.h

?????文件???????7293??2004-04-09?11:52??RTX?Serial?API\RtCOMLib\isr.c

?????文件???????3185??2004-04-09?13:16??RTX?Serial?API\RtCOMLib\RtCOM.dsp

?????文件????????535??2004-04-09?13:14??RTX?Serial?API\RtCOMLib\RtCOM.dsw

?????文件???????3767??2004-04-09?13:49??RTX?Serial?API\RtCOMLib\RtCOM.mak

?????文件??????23570??1999-06-11?13:41??RTX?Serial?API\RtCOMLib\serialAPI.c

?????文件?????215476??2011-08-26?23:08??RTX?Serial?API\RTX實時平臺實現RS232通訊.pdf

?????目錄??????????0??2011-08-27?01:25??RTX?Serial?API\inc

?????目錄??????????0??2011-08-27?01:25??RTX?Serial?API\RtCOMLib

?????目錄??????????0??2011-08-27?01:26??RTX?Serial?API

-----------?---------??----------?-----??----

???????????????275342????????????????????14