/*
 * 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 <stdio.h>
#include "openair0_lib.h"

exmimo_config_t *p_exmimo_config;
exmimo_id_t     *p_exmimo_id;

unsigned int build_rflocal(txi, txq, rxi, rxq)
{
  return (txi + txq<<6 + rxi<<12 + rxq<<18);
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
  return (dcoff_i_rxfe + dcoff_q_rxfe<<8);
}

void test_config(int card, int ant, unsigned int rf_mode)
{
  p_exmimo_config->framing.eNB_flag   = 0;
  p_exmimo_config->framing.tdd_config = 0;

  p_exmimo_config->rf.rf_freq_rx[ant] = 1907600000;
  p_exmimo_config->rf.rf_freq_tx[ant] = 1907600000;;
  p_exmimo_config->rf.rx_gain[ant][0] = 20;
  p_exmimo_config->rf.tx_gain[ant][0] = 10;
  p_exmimo_config->rf.rf_mode[ant] = rf_mode;

  p_exmimo_config->rf.rf_local[ant] = build_rflocal(20,25,26,04);
  p_exmimo_config->rf.rf_rxdc[ant] = build_rfdc(128, 128);
  p_exmimo_config->rf.rf_vcocal[ant] = 0xE<<6 + 0xE;

  openair0_dump_config( card );
}

void read_firmware_buffer(int card)
{
  int i;
  unsigned int *p= (unsigned int *) (openair0_exmimo_pci[card].firmware_block_ptr);
  printf("firmware_buffer: \n");

  for (i=0; i<0x30; i++)
    printf("u32 fwbuf[%d]: value=%08X\n", i, p[i]);

}

void main(void)
{
  int ret, card, ant;
  unsigned int my_rf_mode;

  unsigned int *p_rx_ant0, *p_tx_ant0;


  ret = openair0_open();

  if ( ret != 0 ) {
    if (ret == -1)
      printf("Error opening /dev/openair0");

    if (ret == -2)
      printf("Error mapping bigshm");

    if (ret == -3)
      printf("Error mapping RX or TX buffer");

    return;
  }

  my_rf_mode =  RXEN + TXEN + TXLPFNORM + TXLPFEN + TXLPF25 + RXLPFNORM + RXLPFEN + RXLPF25 + LNA1ON +LNAMax + RFBBNORM;
  my_rf_mode += DMAMODE_RX + DMAMODE_TX;

  printf ("Detected %d number of cards.\n", openair0_num_detected_cards);

  card =0;
  ant  =0;

  printf ("Will configure card %d, antenna %d\n", card, ant);

  p_exmimo_config = openair0_exmimo_pci[card].exmimo_config_ptr;
  p_exmimo_id     = openair0_exmimo_pci[card].exmimo_id_ptr;

  printf("Card %d: ExpressMIMO %d, HW Rev %d, SW Rev 0x%d\n", card, p_exmimo_id->board_exmimoversion, p_exmimo_id->board_hwrev, p_exmimo_id->board_swrev);


  //read_firmware_buffer(card);


  test_config( card, ant, my_rf_mode);

  // pointer to data

  p_rx_ant0 = openair0_exmimo_pci[ card ].adc_head[ ant ];
  p_tx_ant0 = openair0_exmimo_pci[ card ].dac_head[ ant ];

  // do something with the data here


  openair0_close();
}