132 static VBI_RING_BUFFER rb_handle;  variable
177     rb_handle.WritePacketNumber = (addr - _pStoreInfo._TTXBufAddr)/VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_UpdateWritePointer()
178     rb_handle.WritePacketNumber = rb_handle.WritePacketNumber%_pStoreInfo._TTXBufLen;  in _MDrv_DMX_TTX_UpdateWritePointer()
180     if(rb_handle.pkt_received==TRUE)  in _MDrv_DMX_TTX_UpdateWritePointer()
182         NumberOfFreePackets = (MS_S32)(rb_handle.WritePacketNumber - rb_handle.ReadPacketNumber);  in _MDrv_DMX_TTX_UpdateWritePointer()
190             rb_handle.NoOfPacketBufferOverflows++;  in _MDrv_DMX_TTX_UpdateWritePointer()
191             rb_handle.PacketBufferOverflow = TRUE;  in _MDrv_DMX_TTX_UpdateWritePointer()
196     if(rb_handle.WritePacketNumber == 0)  in _MDrv_DMX_TTX_UpdateWritePointer()
198         if(rb_handle.pkt_received )  in _MDrv_DMX_TTX_UpdateWritePointer()
200             rb_handle.WritePacketNumber = _pStoreInfo._TTXBufLen - 1;  in _MDrv_DMX_TTX_UpdateWritePointer()
203     else if(rb_handle.WritePacketNumber != rb_handle.ReadPacketNumber)  in _MDrv_DMX_TTX_UpdateWritePointer()
205         rb_handle.WritePacketNumber--;  in _MDrv_DMX_TTX_UpdateWritePointer()
206         rb_handle.pkt_received = TRUE;  in _MDrv_DMX_TTX_UpdateWritePointer()
224         rb_handle.ReadPacketNumber = (addr - _pStoreInfo._TTXBufAddr)/VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_RingBuffer_Reset()
227         rb_handle.ReadPacketNumber = 0;  in _MDrv_DMX_TTX_RingBuffer_Reset()
229     rb_handle.ReadPacketNumber = rb_handle.ReadPacketNumber%_pStoreInfo._TTXBufLen;  in _MDrv_DMX_TTX_RingBuffer_Reset()
230     rb_handle.WritePacketNumber = rb_handle.ReadPacketNumber;  in _MDrv_DMX_TTX_RingBuffer_Reset()
231     rb_handle.pkt_received = FALSE;  in _MDrv_DMX_TTX_RingBuffer_Reset()
233     rb_handle.PacketBufferOverflow = FALSE;  in _MDrv_DMX_TTX_RingBuffer_Reset()
234     rb_handle.NoOfPacketBufferOverflows = 0;  in _MDrv_DMX_TTX_RingBuffer_Reset()
291     if (rb_handle.WritePacketNumber - rb_handle.ReadPacketNumber) /* no of packets */  in _MDrv_DMX_TTX_PacketBufferIsEmpty()
313 …      packetAddress = _pStoreInfo._TTXBufAddr + (rb_handle.ReadPacketNumber) * VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_GetPackets()
315         if(rb_handle.ReadPacketNumber > rb_handle.WritePacketNumber)  in _MDrv_DMX_TTX_GetPackets()
320 …     data_length = VBI_TTX_DATA_LENGTH*((_pStoreInfo._TTXBufLen - 1) - rb_handle.ReadPacketNumber);  in _MDrv_DMX_TTX_GetPackets()
330                 rb_handle.ReadPacketNumber += data_length/VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_GetPackets()
336             data_length2 = VBI_TTX_DATA_LENGTH*(rb_handle.WritePacketNumber);  in _MDrv_DMX_TTX_GetPackets()
344             rb_handle.ReadPacketNumber = data_length2/VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_GetPackets()
354 …      data_length = VBI_TTX_DATA_LENGTH*(rb_handle.WritePacketNumber - rb_handle.ReadPacketNumber);  in _MDrv_DMX_TTX_GetPackets()
361             rb_handle.ReadPacketNumber += data_length/VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_GetPackets()
381         *packetAddress = _pStoreInfo._TTXBufAddr + rb_handle.ReadPacketNumber*VBI_TTX_DATA_LENGTH;  in _MDrv_DMX_TTX_GetPacket()
383         rb_handle.ReadPacketNumber++;  in _MDrv_DMX_TTX_GetPacket()
386         if ( rb_handle.ReadPacketNumber >= _pStoreInfo._TTXBufLen )  in _MDrv_DMX_TTX_GetPacket()
388             rb_handle.ReadPacketNumber = 0;  in _MDrv_DMX_TTX_GetPacket()
400     return rb_handle.PacketBufferOverflow;  in _MDrv_DMX_TTX_PacketBufferIsOverflow()
405     return rb_handle.NoOfPacketBufferOverflows;  in _MDrv_DMX_TTX_PacketBufferGetNoOfOverflows()