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openairinterface5g/openair1/PHY/TOOLS/8bit_rxdemux.c
T

63 lines
2.0 KiB
C

/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
#include "PHY/types.h"
#include "PHY/defs.h"
#include "PHY/extern.h"
void bit8_rxdemux(int length,int offset)
{
int i;
short *rx1_ptr = (short *)&PHY_vars->rx_vars[1].RX_DMA_BUFFER[offset];
short *rx0_ptr = (short *)&PHY_vars->rx_vars[0].RX_DMA_BUFFER[offset];
char *rx0_ptr2 = (char *)(&PHY_vars->rx_vars[0].RX_DMA_BUFFER[offset]);
// short tmp;
short r0,i0,r1,i1;
// printf("demuxing: %d,%d\n",length,offset);
// printf("%x %x\n",PHY_vars->chsch_data[0].CHSCH_f_sync[0], PHY_vars->chsch_data[0].CHSCH_f_sync[1]);
for (i=0; i<length; i++) {
r0= (short)(rx0_ptr2[i<<2]); // Re 0
i0= (short)(rx0_ptr2[(i<<2)+1]); // Im 0
r1= (short)(rx0_ptr2[(i<<2)+2]); // Re 1
i1= (short)(rx0_ptr2[(i<<2)+3]); // Im 1
rx0_ptr[(i<<1)] = r0;
rx0_ptr[(i<<1)+1] =i0;
rx1_ptr[i<<1] =r1;
rx1_ptr[(i<<1)+1] =i1;
}
// printf("%x %x\n",PHY_vars->chsch_data[0].CHSCH_f_sync[0], PHY_vars->chsch_data[0].CHSCH_f_sync[1]);
}