I32U Tcc353xInterruptProcess(void)
{
I32U ret = 0;
I08U irqStatus = 0;
I32S moduleIndex = 0;
I32U totalSize = 0;
I08U data = 0x00;
/* Read BB Interrupt Status */
Tcc353xApiGetIrqStatus(moduleIndex, &irqStatus);
#if defined (_I2C_STS_)
totalSize = 0;
data = 0x00;
/* Tcc353x IRQ Clear */
Tcc353xApiIrqClear(moduleIndex, irqStatus);
ret = 0; /* return no data */
#else
/* Stream Interrupt */
if (irqStatus&0x01) {
TcpalPrintErr((I08S *)
"[TCC353X] FIFO overflow[0x%02X] flush!!!\n",
irqStatus);
/* IRQ Disable - Prevent additional interrupt signal */
data = 0x00;
Tcc353xApiRegisterWrite(0,0, 0x03, &data, 1);
/* Tcc353x IRQ Clear */
Tcc353xApiIrqClear(moduleIndex, irqStatus);
Tcc353xApiInterruptBuffClr(moduleIndex);
gOverflowcnt ++;
ret = 0;
} else {
/* Tcc353x IRQ Clear */
Tcc353xApiIrqClear(moduleIndex, irqStatus);
Tcc353xApiGetFifoStatus(moduleIndex, &totalSize);
ret = totalSize;
if(ret>=150*188)
TcpalPrintErr((I08S *)
"[TCC353X] FIFO stat size[%d]\n",
ret);
}
gDbgIsrCnt++;
if(gDbgIsrCnt>100) {
gDbgIsrCnt = 0;
#ifdef _DBG_CHK_OVERFLOW_CNT_
TcpalPrintStatus((I08S *)
"[TCC353X] CurrOverflow Cnt %d\n",
gOverflowcnt);
#endif
}
#endif
return ret;
}
void Tcc353xInterruptGetStream(I32U _fifoSize)
{
I32S moduleIndex = 0;
I32U totalSize = 0;
I32U wp;
totalSize = _fifoSize - (_fifoSize%188);
//
//TcpalPrintErr((I08S *) "Tcc353xInterruptGetStream size[%d]\n", totalSize);
totalSize = (totalSize/188/4)*188*4;
if(totalSize > 188 * 87)
totalSize = 188 * 84;
//
if(totalSize>=188) {
I32U nextwp;
if(Tcc353xStreamBufferedSize[moduleIndex]+totalSize > TCC353X_STREAM_BUFFER_SIZE)
Tcc353xStreamBufferFlush (moduleIndex);
TcpalSemaphoreLock(&Tcc353xStreamSema);
wp = Tcc353xStreamWp[moduleIndex];
TcpalSemaphoreUnLock(&Tcc353xStreamSema);
nextwp = ((wp+totalSize)%TCC353X_STREAM_BUFFER_SIZE);
if(wp+totalSize>TCC353X_STREAM_BUFFER_SIZE) { /* read twice */
I32U first;
first = TCC353X_STREAM_BUFFER_SIZE - wp;
Tcc353xApiStreamRead(moduleIndex,
&Tcc353xStreamData[wp],
first);
Tcc353xApiStreamRead(moduleIndex,
&Tcc353xStreamData[0],
nextwp);
} else {
Tcc353xApiStreamRead(moduleIndex,
&Tcc353xStreamData[wp],
totalSize);
}
TcpalSemaphoreLock(&Tcc353xStreamSema);
Tcc353xStreamWp[moduleIndex] = nextwp;
Tcc353xStreamBufferedSize[moduleIndex] += totalSize;
TcpalSemaphoreUnLock(&Tcc353xStreamSema);
if(Tcc353xStreamData[wp]!=0x47) {
TcpalPrintErr((I08S *) "[TCC353X] SyncByte Error! [0x%02x]\n",
Tcc353xStreamData[wp]);
TcpalPrintErr((I08S *) "[TCC353X] Buff Flush for SyncByte matching\n");
Tcc353xApiInterruptBuffClr(moduleIndex);
}
}
}
I32U Tcc353xInterruptProcess(void)
{
I32U ret = 0;
I08U irqStatus = 0;
I32S moduleIndex = 0;
I32U totalSize = 0;
/* Read BB Interrupt Status */
Tcc353xApiGetIrqStatus(moduleIndex, &irqStatus);
/* Stream Interrupt */
if (irqStatus&0x01) {
TcpalPrintErr((I08S *)
"[TCC353X] FIFO overflow[0x%02X] flush!!!\n",
irqStatus);
/* Tcc353x IRQ Clear */
Tcc353xApiIrqClear(moduleIndex, irqStatus);
Tcc353xApiInterruptBuffClr(moduleIndex);
gOverflowcnt ++;
ret = 0;
} else {
/* Tcc353x IRQ Clear */
Tcc353xApiIrqClear(moduleIndex, irqStatus);
Tcc353xApiGetFifoStatus(moduleIndex, &totalSize);
ret = totalSize;
}
gDbgIsrCnt++;
if(gDbgIsrCnt>40) {
gDbgIsrCnt = 0;
#ifdef _DBG_CHK_OVERFLOW_CNT_
TcpalPrintStatus((I08S *)
"[TCC353X] CurrOverflow Cnt %d\n",
gOverflowcnt);
#endif
}
return ret;
}
