57 lines
2.2 KiB
C
Executable File
57 lines
2.2 KiB
C
Executable File
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
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*******************************************************************************/
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void adc(double r_re[2][30720],
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double r_im[2][30720],
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unsigned int input_offset,
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unsigned int output_offset,
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unsigned int **output,
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unsigned int nb_rx_antennas,
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unsigned int length,
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unsigned char B)
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{
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int i;
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int aa;
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double gain = (double)(1<<(B-1));
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//double gain = 1.0;
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for (i=0; i<length; i++) {
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for (aa=0; aa<nb_rx_antennas; aa++) {
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((short *)output[aa])[((i+output_offset)<<1)] = (short)(r_re[aa][i+input_offset]*gain);
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((short *)output[aa])[1+((i+output_offset)<<1)] = (short)(r_im[aa][i+input_offset]*gain);
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if ((r_re[aa][i+input_offset]*gain) > 30000) {
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//("Adc outputs %d %e %d \n",i,((short *)output[0])[((i+output_offset)<<1)], ((i+output_offset)<<1) );
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}
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}
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//printf("Adc outputs %d %e %d \n",i,((short *)output[0])[((i+output_offset)<<1)], ((i+output_offset)<<1) );
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}
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}
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