Cedric Roux
56c66c09aa
Pre-ci test passed git-svn-id: http://svn.eurecom.fr/openair4G/trunk@4000 818b1a75-f10b-46b9-bf7c-635c3b92a50f
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
#include <string.h>
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#include <math.h>
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#include <unistd.h>
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#include <execinfo.h>
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#include <signal.h>
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#include <sys/ioctl.h>
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#include <sys/mman.h>
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#include "SIMULATION/TOOLS/defs.h"
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#include "PHY/types.h"
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#include "PHY/defs.h"
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#include "PHY/extern.h"
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#include "MAC_INTERFACE/extern.h"
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#ifdef IFFT_FPGA
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#include "PHY/LTE_REFSIG/mod_table.h"
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#endif
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#include "ARCH/CBMIMO1/DEVICE_DRIVER/cbmimo1_device.h"
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#include "ARCH/CBMIMO1/DEVICE_DRIVER/defs.h"
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#include "ARCH/COMMON/defs.h"
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#include "ARCH/CBMIMO1/DEVICE_DRIVER/extern.h"
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#include "SCHED/defs.h"
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#include "SCHED/extern.h"
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#include "LAYER2/MAC/extern.h"
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TX_RX_VARS dummy_tx_rx_vars;
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int pci_buffers[2*NB_ANTENNAS_RX];
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int openair_fd,fc;
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unsigned int bigphys_top;
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unsigned int mem_base;
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int setup_oai_hw(LTE_DL_FRAME_PARMS *frame_parms,
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PHY_VARS_UE *phy_vars_ue,
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PHY_VARS_eNB *phy_vars_eNB) {
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int i,j;
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frame_parms->dual_tx = 0;
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frame_parms->freq_idx = 0;
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fc = 0;
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printf("Opening /dev/openair0\n");
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if ((openair_fd = open("/dev/openair0", O_RDWR)) <0) {
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fprintf(stderr,"Error %d opening /dev/openair0\n",openair_fd);
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exit(-1);
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}
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ioctl(openair_fd,openair_DUMP_CONFIG,frame_parms);
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sleep(1);
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// ioctl(openair_fd,openair_GET_BUFFER,(void *)&fc);
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ioctl(openair_fd,openair_GET_VARS,&dummy_tx_rx_vars);
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ioctl(openair_fd,openair_GET_BIGPHYSTOP,(void *)&bigphys_top);
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if (dummy_tx_rx_vars.TX_DMA_BUFFER[0]==NULL) {
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printf("pci_buffers not allocated\n");
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close(openair_fd);
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exit(-1);
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}
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printf("BIGPHYS top 0x%x\n",bigphys_top);
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printf("RX_DMA_BUFFER[0] %p\n",dummy_tx_rx_vars.RX_DMA_BUFFER[0]);
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printf("TX_DMA_BUFFER[0] %p\n",dummy_tx_rx_vars.TX_DMA_BUFFER[0]);
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mem_base = (unsigned int) mmap(0,
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BIGPHYS_NUMPAGES*4096,
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PROT_READ|PROT_WRITE,
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MAP_SHARED|MAP_FIXED,//MAP_SHARED,
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openair_fd,
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0);
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if (mem_base != -1)
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msg("MEM base= 0x%x\n",mem_base);
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else {
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msg("Could not map physical memory\n");
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close(openair_fd);
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exit(-1);
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}
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if (phy_vars_ue) {
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// replace RX signal buffers with mmaped HW versions
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for (i=0;i<frame_parms->nb_antennas_rx;i++) {
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free(phy_vars_ue->lte_ue_common_vars.rxdata[i]);
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phy_vars_ue->lte_ue_common_vars.rxdata[i] = (s32*)((int)dummy_tx_rx_vars.RX_DMA_BUFFER[0]-bigphys_top+mem_base);
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printf("rxdata[%d] @ %p\n",i,phy_vars_ue->lte_ue_common_vars.rxdata[i]);
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}
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for (i=0;i<frame_parms->nb_antennas_tx;i++) {
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free(phy_vars_ue->lte_ue_common_vars.txdata[i]);
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phy_vars_ue->lte_ue_common_vars.txdata[i] = (s32*)((int)dummy_tx_rx_vars.TX_DMA_BUFFER[0]-bigphys_top+mem_base);
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printf("txdata[%d] @ %p\n",i,phy_vars_ue->lte_ue_common_vars.txdata[i]);
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}
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}
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if (phy_vars_eNB) {
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// replace RX signal buffers with mmaped HW versions
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for (i=0;i<frame_parms->nb_antennas_rx;i++) {
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free(phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i]);
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phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i] = (s32*)((int)dummy_tx_rx_vars.RX_DMA_BUFFER[0]-bigphys_top+mem_base);
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printf("rxdata[%d] @ %p\n",i,phy_vars_eNB->lte_eNB_common_vars.rxdata[0][i]);
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}
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for (i=0;i<frame_parms->nb_antennas_tx;i++) {
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free(phy_vars_eNB->lte_eNB_common_vars.txdata[0][i]);
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phy_vars_eNB->lte_eNB_common_vars.txdata[0][i] = (s32*)((int)dummy_tx_rx_vars.TX_DMA_BUFFER[0]-bigphys_top+mem_base);
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printf("txdata[%d] @ %p\n",i,phy_vars_eNB->lte_eNB_common_vars.txdata[0][i]);
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for (j=0;j<16;j++) {
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printf("txbuffer %d: %x\n",j,phy_vars_eNB->lte_eNB_common_vars.txdata[0][i][j]);
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phy_vars_eNB->lte_eNB_common_vars.txdata[0][i][j] = 16-j;
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}
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// msync(openair_fd);
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}
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}
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return(openair_fd);
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}
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