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Commit 2f99591a authored by Laurent Thomas's avatar Laurent Thomas
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improve rfsim

parent 0cda85d3
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Showing with 54 additions and 69 deletions
executables/nr-uesoftmodem.c
View file @ 2f99591a
...@@ -557,11 +557,14 @@ int main( int argc, char **argv ) { ...@@ -557,11 +557,14 @@ int main( int argc, char **argv ) {
init_NR_UE_threads(1); init_NR_UE_threads(1);
config_check_unknown_cmdlineopt(CONFIG_CHECKALLSECTIONS);
printf("UE threads created by %ld\n", gettid()); printf("UE threads created by %ld\n", gettid());
// wait for end of program // wait for end of program
printf("TYPE <CTRL-C> TO TERMINATE\n"); printf("TYPE <CTRL-C> TO TERMINATE\n");
// Sleep a while before checking all parameters have been used
// Some are used directly in external threads, asynchronously
sleep(20);
config_check_unknown_cmdlineopt(CONFIG_CHECKALLSECTIONS);
while(true) while(true)
sleep(3600); sleep(3600);
......
openair2/NETWORK_DRIVER/UE_IP/device.c
View file @ 2f99591a
...@@ -302,7 +302,11 @@ void ue_ip_change_rx_flags(struct net_device *dev_pP, int flagsP) { ...@@ -302,7 +302,11 @@ void ue_ip_change_rx_flags(struct net_device *dev_pP, int flagsP) {
} }
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,7,0)
void ue_ip_tx_timeout(struct net_device *dev_pP) { void ue_ip_tx_timeout(struct net_device *dev_pP) {
#else
void ue_ip_tx_timeout(struct net_device *dev_pP, unsigned int x) {
#endif
//--------------------------------------------------------------------------- //---------------------------------------------------------------------------
// Transmitter timeout, serious problems. // Transmitter timeout, serious problems.
ue_ip_priv_t *priv_p = netdev_priv(dev_pP); ue_ip_priv_t *priv_p = netdev_priv(dev_pP);
......
targets/ARCH/COMMON/common_lib.h
View file @ 2f99591a
...@@ -105,9 +105,10 @@ typedef enum { ...@@ -105,9 +105,10 @@ typedef enum {
ADRV9371_ZC706_DEV, ADRV9371_ZC706_DEV,
/*!\brief device is UEDv2 */ /*!\brief device is UEDv2 */
UEDv2_DEV, UEDv2_DEV,
RFSIMULATOR,
MAX_RF_DEV_TYPE MAX_RF_DEV_TYPE
} dev_type_t; } dev_type_t;
#define DEVTYPE_NAMES {"","EXMIMO","USRP B200","USRP X300","USRP N300","BLADERF","LMSSDR","IRIS","No HW","ADRV9371_ZC706","UEDv2"} #define DEVTYPE_NAMES {"","EXMIMO","USRP B200","USRP X300","USRP N300","BLADERF","LMSSDR","IRIS","No HW","ADRV9371_ZC706","UEDv2", "RFSIMULATOR"}
/*!\brief transport protocol types /*!\brief transport protocol types
*/ */
typedef enum { typedef enum {
...@@ -491,15 +492,11 @@ struct openair0_device_t { ...@@ -491,15 +492,11 @@ struct openair0_device_t {
typedef int(*oai_device_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg); typedef int(*oai_device_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg);
/* type of transport init function, implemented in shared lib */ /* type of transport init function, implemented in shared lib */
typedef int(*oai_transport_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t *eth_params); typedef int(*oai_transport_initfunc_t)(openair0_device *device, openair0_config_t *openair0_cfg, eth_params_t *eth_params);
#define UE_MAGICDL_FDD 0xA5A5A5A5A5A5A5A5 // UE DL FDD record #define UE_MAGICDL 0xA5A5A5A5A5A5A5A5 // UE DL FDD record
#define UE_MAGICUL_FDD 0x5A5A5A5A5A5A5A5A // UE UL FDD record #define UE_MAGICUL 0x5A5A5A5A5A5A5A5A // UE UL FDD record
#define UE_MAGICDL_TDD 0xA6A6A6A6A6A6A6A6 // UE DL TDD record
#define UE_MAGICUL_TDD 0x6A6A6A6A6A6A6A6A // UE UL TDD record
#define ENB_MAGICDL_FDD 0xB5B5B5B5B5B5B5B5 // eNB DL FDD record #define ENB_MAGICDL 0xB5B5B5B5B5B5B5B5 // eNB DL FDD record
#define ENB_MAGICUL_FDD 0x5B5B5B5B5B5B5B5B // eNB UL FDD record #define ENB_MAGICUL 0x5B5B5B5B5B5B5B5B // eNB UL FDD record
#define ENB_MAGICDL_TDD 0xB6B6B6B6B6B6B6B6 // eNB DL TDD record
#define ENB_MAGICUL_TDD 0x6B6B6B6B6B6B6B6B // eNB UL TDD record
#define OPTION_LZ4 0x00000001 // LZ4 compression (option_value is set to compressed size) #define OPTION_LZ4 0x00000001 // LZ4 compression (option_value is set to compressed size)
...@@ -516,19 +513,6 @@ typedef struct { ...@@ -516,19 +513,6 @@ typedef struct {
uint32_t option_flag; // Option flag uint32_t option_flag; // Option flag
} samplesBlockHeader_t; } samplesBlockHeader_t;
#define UE_MAGICDL_FDD 0xA5A5A5A5A5A5A5A5 // UE DL FDD record
#define UE_MAGICUL_FDD 0x5A5A5A5A5A5A5A5A // UE UL FDD record
#define UE_MAGICDL_TDD 0xA6A6A6A6A6A6A6A6 // UE DL TDD record
#define UE_MAGICUL_TDD 0x6A6A6A6A6A6A6A6A // UE UL TDD record
#define ENB_MAGICDL_FDD 0xB5B5B5B5B5B5B5B5 // eNB DL FDD record
#define ENB_MAGICUL_FDD 0x5B5B5B5B5B5B5B5B // eNB UL FDD record
#define ENB_MAGICDL_TDD 0xB6B6B6B6B6B6B6B6 // eNB DL TDD record
#define ENB_MAGICUL_TDD 0x6B6B6B6B6B6B6B6B // eNB UL TDD record
#define OPTION_LZ4 0x00000001 // LZ4 compression (option_value is set to compressed size)
#ifdef __cplusplus #ifdef __cplusplus
extern "C" extern "C"
{ {
......
targets/ARCH/rfsimulator/simulator.c
View file @ 2f99591a
...@@ -76,15 +76,16 @@ extern RAN_CONTEXT_t RC; ...@@ -76,15 +76,16 @@ extern RAN_CONTEXT_t RC;
/* configuration parameters for the rfsimulator device */ /* configuration parameters for the rfsimulator device */
/* optname helpstr paramflags XXXptr defXXXval type numelt */ /* optname helpstr paramflags XXXptr defXXXval type numelt */
/*-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/ /*-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define RFSIMULATOR_PARAMS_DESC {\ #define simOpt PARAMFLAG_NOFREE|PARAMFLAG_CMDLINE_NOPREFIXENABLED
{"serveraddr", "<ip address to connect to>\n", 0, strptr:&(rfsimulator->ip), defstrval:"127.0.0.1", TYPE_STRING, 0 },\ #define RFSIMULATOR_PARAMS_DESC { \
{"serverport", "<port to connect to>\n", 0, u16ptr:&(rfsimulator->port), defuintval:PORT, TYPE_UINT16, 0 },\ {"serveraddr", "<ip address to connect to>\n", simOpt , strptr:&(rfsimulator->ip), defstrval:"127.0.0.1", TYPE_STRING, 0 },\
{"serverport", "<port to connect to>\n", simOpt, u16ptr:&(rfsimulator->port), defuintval:PORT, TYPE_UINT16, 0 },\
{RFSIMU_OPTIONS_PARAMNAME, RFSIM_CONFIG_HELP_OPTIONS, 0, strlistptr:NULL, defstrlistval:NULL, TYPE_STRINGLIST,0 },\ {RFSIMU_OPTIONS_PARAMNAME, RFSIM_CONFIG_HELP_OPTIONS, 0, strlistptr:NULL, defstrlistval:NULL, TYPE_STRINGLIST,0 },\
{"IQfile", "<file path to use when saving IQs>\n", 0, strptr:&(saveF), defstrval:"/tmp/rfsimulator.iqs",TYPE_STRING, 0 },\ {"IQfile", "<file path to use when saving IQs>\n",simOpt, strptr:&(saveF), defstrval:"/tmp/rfsimulator.iqs",TYPE_STRING, 0 },\
{"modelname", "<channel model name>\n", 0, strptr:&(modelname), defstrval:"AWGN", TYPE_STRING, 0 },\ {"modelname", "<channel model name>\n", simOpt, strptr:&(modelname), defstrval:"AWGN", TYPE_STRING, 0 },\
{"ploss", "<channel path loss in dB>\n", 0, dblptr:&(rfsimulator->chan_pathloss), defdblval:0, TYPE_DOUBLE, 0 },\ {"ploss", "<channel path loss in dB>\n", simOpt, dblptr:&(rfsimulator->chan_pathloss), defdblval:0, TYPE_DOUBLE, 0 },\
{"forgetfact", "<channel forget factor ((0 to 1)>\n", 0, dblptr:&(rfsimulator->chan_forgetfact), defdblval:0, TYPE_DOUBLE, 0 },\ {"forgetfact", "<channel forget factor ((0 to 1)>\n", simOpt, dblptr:&(rfsimulator->chan_forgetfact), defdblval:0, TYPE_DOUBLE, 0 },\
{"offset", "<channel offset in samps>\n", 0, iptr:&(rfsimulator->chan_offset), defintval:0, TYPE_INT, 0 }\ {"offset", "<channel offset in samps>\n", simOpt, iptr:&(rfsimulator->chan_offset), defintval:0, TYPE_INT, 0 }\
}; };
...@@ -137,7 +138,7 @@ typedef struct { ...@@ -137,7 +138,7 @@ typedef struct {
} rfsimulator_state_t; } rfsimulator_state_t;
void allocCirBuf(rfsimulator_state_t *bridge, int sock) { static void allocCirBuf(rfsimulator_state_t *bridge, int sock) {
buffer_t *ptr=&bridge->buf[sock]; buffer_t *ptr=&bridge->buf[sock];
AssertFatal ( (ptr->circularBuf=(sample_t *) malloc(sampleToByte(CirSize,1))) != NULL, ""); AssertFatal ( (ptr->circularBuf=(sample_t *) malloc(sampleToByte(CirSize,1))) != NULL, "");
ptr->circularBufEnd=((char *)ptr->circularBuf)+sampleToByte(CirSize,1); ptr->circularBufEnd=((char *)ptr->circularBuf)+sampleToByte(CirSize,1);
...@@ -195,7 +196,7 @@ void allocCirBuf(rfsimulator_state_t *bridge, int sock) { ...@@ -195,7 +196,7 @@ void allocCirBuf(rfsimulator_state_t *bridge, int sock) {
} }
} }
void removeCirBuf(rfsimulator_state_t *bridge, int sock) { static void removeCirBuf(rfsimulator_state_t *bridge, int sock) {
AssertFatal( epoll_ctl(bridge->epollfd, EPOLL_CTL_DEL, sock, NULL) != -1, ""); AssertFatal( epoll_ctl(bridge->epollfd, EPOLL_CTL_DEL, sock, NULL) != -1, "");
close(sock); close(sock);
free(bridge->buf[sock].circularBuf); free(bridge->buf[sock].circularBuf);
...@@ -206,12 +207,12 @@ void removeCirBuf(rfsimulator_state_t *bridge, int sock) { ...@@ -206,12 +207,12 @@ void removeCirBuf(rfsimulator_state_t *bridge, int sock) {
bridge->buf[sock].conn_sock=-1; bridge->buf[sock].conn_sock=-1;
} }
void socketError(rfsimulator_state_t *bridge, int sock) { static void socketError(rfsimulator_state_t *bridge, int sock) {
if (bridge->buf[sock].conn_sock!=-1) { if (bridge->buf[sock].conn_sock!=-1) {
LOG_W(HW,"Lost socket \n"); LOG_W(HW,"Lost socket \n");
removeCirBuf(bridge, sock); removeCirBuf(bridge, sock);
if (bridge->typeStamp==UE_MAGICDL_FDD) if (bridge->typeStamp==UE_MAGICDL)
exit(1); exit(1);
} }
} }
...@@ -229,7 +230,7 @@ enum blocking_t { ...@@ -229,7 +230,7 @@ enum blocking_t {
blocking blocking
}; };
void setblocking(int sock, enum blocking_t active) { static void setblocking(int sock, enum blocking_t active) {
int opts; int opts;
AssertFatal( (opts = fcntl(sock, F_GETFL)) >= 0,""); AssertFatal( (opts = fcntl(sock, F_GETFL)) >= 0,"");
...@@ -243,7 +244,7 @@ void setblocking(int sock, enum blocking_t active) { ...@@ -243,7 +244,7 @@ void setblocking(int sock, enum blocking_t active) {
static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps); static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps);
void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) { static void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) {
if (t->saveIQfile != -1) { if (t->saveIQfile != -1) {
if (write(t->saveIQfile, _buf, count) != count ) if (write(t->saveIQfile, _buf, count) != count )
LOG_E(HW,"write in save iq file failed (%s)\n",strerror(errno)); LOG_E(HW,"write in save iq file failed (%s)\n",strerror(errno));
...@@ -277,7 +278,7 @@ void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) { ...@@ -277,7 +278,7 @@ void fullwrite(int fd, void *_buf, ssize_t count, rfsimulator_state_t *t) {
} }
} }
void rfsimulator_readconfig(rfsimulator_state_t *rfsimulator) { static void rfsimulator_readconfig(rfsimulator_state_t *rfsimulator) {
char *saveF=NULL; char *saveF=NULL;
char *modelname=NULL; char *modelname=NULL;
paramdef_t rfsimu_params[] = RFSIMULATOR_PARAMS_DESC; paramdef_t rfsimu_params[] = RFSIMULATOR_PARAMS_DESC;
...@@ -312,9 +313,9 @@ void rfsimulator_readconfig(rfsimulator_state_t *rfsimulator) { ...@@ -312,9 +313,9 @@ void rfsimulator_readconfig(rfsimulator_state_t *rfsimulator) {
if ( strncasecmp(rfsimulator->ip,"enb",3) == 0 || if ( strncasecmp(rfsimulator->ip,"enb",3) == 0 ||
strncasecmp(rfsimulator->ip,"server",3) == 0 ) strncasecmp(rfsimulator->ip,"server",3) == 0 )
rfsimulator->typeStamp = ENB_MAGICDL_FDD; rfsimulator->typeStamp = ENB_MAGICDL;
else else
rfsimulator->typeStamp = UE_MAGICDL_FDD; rfsimulator->typeStamp = UE_MAGICDL;
} }
static int rfsimu_setchanmod_cmd(char *buff, int debug, telnet_printfunc_t prnt, void *arg) { static int rfsimu_setchanmod_cmd(char *buff, int debug, telnet_printfunc_t prnt, void *arg) {
...@@ -358,9 +359,9 @@ static int rfsimu_setchanmod_cmd(char *buff, int debug, telnet_printfunc_t prnt, ...@@ -358,9 +359,9 @@ static int rfsimu_setchanmod_cmd(char *buff, int debug, telnet_printfunc_t prnt,
return CMDSTATUS_FOUND; return CMDSTATUS_FOUND;
} }
int server_start(openair0_device *device) { static int startServer(openair0_device *device) {
rfsimulator_state_t *t = (rfsimulator_state_t *) device->priv; rfsimulator_state_t *t = (rfsimulator_state_t *) device->priv;
t->typeStamp=ENB_MAGICDL_FDD; t->typeStamp=ENB_MAGICDL;
AssertFatal((t->listen_sock = socket(AF_INET, SOCK_STREAM, 0)) >= 0, ""); AssertFatal((t->listen_sock = socket(AF_INET, SOCK_STREAM, 0)) >= 0, "");
int enable = 1; int enable = 1;
AssertFatal(setsockopt(t->listen_sock, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)) == 0, ""); AssertFatal(setsockopt(t->listen_sock, SOL_SOCKET, SO_REUSEADDR, &enable, sizeof(int)) == 0, "");
...@@ -381,9 +382,9 @@ sin_addr: ...@@ -381,9 +382,9 @@ sin_addr:
return 0; return 0;
} }
int start_ue(openair0_device *device) { static int startClient(openair0_device *device) {
rfsimulator_state_t *t = device->priv; rfsimulator_state_t *t = device->priv;
t->typeStamp=UE_MAGICDL_FDD; t->typeStamp=UE_MAGICDL;
int sock; int sock;
AssertFatal((sock = socket(AF_INET, SOCK_STREAM, 0)) >= 0, ""); AssertFatal((sock = socket(AF_INET, SOCK_STREAM, 0)) >= 0, "");
struct sockaddr_in addr = { struct sockaddr_in addr = {
...@@ -458,7 +459,7 @@ static int rfsimulator_write_internal(rfsimulator_state_t *t, openair0_timestamp ...@@ -458,7 +459,7 @@ static int rfsimulator_write_internal(rfsimulator_state_t *t, openair0_timestamp
return nsamps; return nsamps;
} }
int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, void **samplesVoid, int nsamps, int nbAnt, int flags) { static int rfsimulator_write(openair0_device *device, openair0_timestamp timestamp, void **samplesVoid, int nsamps, int nbAnt, int flags) {
return rfsimulator_write_internal(device->priv, timestamp, samplesVoid, nsamps, nbAnt, flags, false); return rfsimulator_write_internal(device->priv, timestamp, samplesVoid, nsamps, nbAnt, flags, false);
} }
...@@ -534,8 +535,8 @@ static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initi ...@@ -534,8 +535,8 @@ static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initi
// check the header and start block transfer // check the header and start block transfer
if ( b->headerMode==true && b->remainToTransfer==0) { if ( b->headerMode==true && b->remainToTransfer==0) {
AssertFatal( (t->typeStamp == UE_MAGICDL_FDD && b->th.magic==ENB_MAGICDL_FDD) || AssertFatal( (t->typeStamp == UE_MAGICDL && b->th.magic==ENB_MAGICDL) ||
(t->typeStamp == ENB_MAGICDL_FDD && b->th.magic==UE_MAGICDL_FDD), "Socket Error in protocol"); (t->typeStamp == ENB_MAGICDL && b->th.magic==UE_MAGICDL), "Socket Error in protocol");
b->headerMode=false; b->headerMode=false;
if ( t->nextTimestamp == 0 ) { // First block in UE, resync with the eNB current TS if ( t->nextTimestamp == 0 ) { // First block in UE, resync with the eNB current TS
...@@ -606,7 +607,7 @@ static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initi ...@@ -606,7 +607,7 @@ static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initi
return nfds>0; return nfds>0;
} }
int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, void **samplesVoid, int nsamps, int nbAnt) { static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, void **samplesVoid, int nsamps, int nbAnt) {
if (nbAnt != 1) { if (nbAnt != 1) {
LOG_W(HW, "rfsimulator: only 1 antenna tested\n"); LOG_W(HW, "rfsimulator: only 1 antenna tested\n");
} }
...@@ -748,31 +749,24 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo ...@@ -748,31 +749,24 @@ int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, vo
signal_energy(samplesVoid[0], nsamps)); signal_energy(samplesVoid[0], nsamps));
return nsamps; return nsamps;
} }
int rfsimulator_request(openair0_device *device, void *msg, ssize_t msg_len) {
abort(); static int rfsimulator_get_stats(openair0_device *device) {
return 0;
}
int rfsimulator_reply(openair0_device *device, void *msg, ssize_t msg_len) {
abort();
return 0;
}
int rfsimulator_get_stats(openair0_device *device) {
return 0; return 0;
} }
int rfsimulator_reset_stats(openair0_device *device) { static int rfsimulator_reset_stats(openair0_device *device) {
return 0; return 0;
} }
void rfsimulator_end(openair0_device *device) {} static void rfsimulator_end(openair0_device *device) {}
int rfsimulator_stop(openair0_device *device) { static int rfsimulator_stop(openair0_device *device) {
return 0; return 0;
} }
int rfsimulator_set_freq(openair0_device *device, openair0_config_t *openair0_cfg,int exmimo_dump_config) { static int rfsimulator_set_freq(openair0_device *device, openair0_config_t *openair0_cfg,int exmimo_dump_config) {
return 0; return 0;
} }
int rfsimulator_set_gains(openair0_device *device, openair0_config_t *openair0_cfg) { static int rfsimulator_set_gains(openair0_device *device, openair0_config_t *openair0_cfg) {
return 0; return 0;
} }
int rfsimulator_write_init(openair0_device *device) { static int rfsimulator_write_init(openair0_device *device) {
return 0; return 0;
} }
__attribute__((__visibility__("default"))) __attribute__((__visibility__("default")))
...@@ -782,10 +776,10 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) { ...@@ -782,10 +776,10 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
rfsimulator_state_t *rfsimulator = (rfsimulator_state_t *)calloc(sizeof(rfsimulator_state_t),1); rfsimulator_state_t *rfsimulator = (rfsimulator_state_t *)calloc(sizeof(rfsimulator_state_t),1);
rfsimulator_readconfig(rfsimulator); rfsimulator_readconfig(rfsimulator);
pthread_mutex_init(&Sockmutex, NULL); pthread_mutex_init(&Sockmutex, NULL);
LOG_I(HW,"rfsimulator: running as %s\n", rfsimulator-> typeStamp == ENB_MAGICDL_FDD ? "(eg)NB" : "UE"); LOG_I(HW,"rfsimulator: running as %s\n", rfsimulator-> typeStamp == ENB_MAGICDL ? "server waiting opposite rfsimulators to connect" : "client: will connect to a rfsimulator server side");
device->trx_start_func = rfsimulator->typeStamp == ENB_MAGICDL_FDD ? device->trx_start_func = rfsimulator->typeStamp == ENB_MAGICDL ?
server_start : startServer :
start_ue; startClient;
device->trx_get_stats_func = rfsimulator_get_stats; device->trx_get_stats_func = rfsimulator_get_stats;
device->trx_reset_stats_func = rfsimulator_reset_stats; device->trx_reset_stats_func = rfsimulator_reset_stats;
device->trx_end_func = rfsimulator_end; device->trx_end_func = rfsimulator_end;
...@@ -795,7 +789,7 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) { ...@@ -795,7 +789,7 @@ int device_init(openair0_device *device, openair0_config_t *openair0_cfg) {
device->trx_write_func = rfsimulator_write; device->trx_write_func = rfsimulator_write;
device->trx_read_func = rfsimulator_read; device->trx_read_func = rfsimulator_read;
/* let's pretend to be a b2x0 */ /* let's pretend to be a b2x0 */
device->type = USRP_B200_DEV; device->type = RFSIMULATOR;
device->openair0_cfg=&openair0_cfg[0]; device->openair0_cfg=&openair0_cfg[0];
device->priv = rfsimulator; device->priv = rfsimulator;
device->trx_write_init = rfsimulator_write_init; device->trx_write_init = rfsimulator_write_init;
......
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