static PyObject *
Reader_read(Reader *self, PyObject *args, PyObject *kwds)
{
int timeout = 500;
PyObject *list;
TMR_Status ret;
static char *kwlist[] = {"timeout", NULL};
if (!PyArg_ParseTupleAndKeywords(args, kwds, "|i", kwlist, &timeout))
return NULL;
Py_BEGIN_ALLOW_THREADS
ret = TMR_read(&self->reader, timeout, NULL);
Py_END_ALLOW_THREADS
/* In case of TAG ID Buffer Full, extract the tags present in buffer. */
if (ret != TMR_SUCCESS && ret != TMR_ERROR_TAG_ID_BUFFER_FULL)
{
PyErr_SetString(PyExc_RuntimeError, TMR_strerr(&self->reader, ret));
return NULL;
}
/* create empty list */
list = PyList_New(0);
while (TMR_hasMoreTags(&self->reader) == TMR_SUCCESS)
{
TagReadData *tag;
uint8_t dataBuf1[MAX_DATA_AREA];
uint8_t dataBuf2[MAX_DATA_AREA];
uint8_t dataBuf3[MAX_DATA_AREA];
uint8_t dataBuf4[MAX_DATA_AREA];
tag = PyObject_New(TagReadData, &TagReadDataType);
TMR_TRD_init(&tag->data);
TMR_TRD_MEMBANK_init_data(&tag->data.epcMemData, MAX_DATA_AREA, dataBuf1);
TMR_TRD_MEMBANK_init_data(&tag->data.tidMemData, MAX_DATA_AREA, dataBuf2);
TMR_TRD_MEMBANK_init_data(&tag->data.userMemData, MAX_DATA_AREA, dataBuf3);
TMR_TRD_MEMBANK_init_data(&tag->data.reservedMemData, MAX_DATA_AREA, dataBuf4);
if ((ret = TMR_getNextTag(&self->reader, &tag->data)) != TMR_SUCCESS)
{
PyErr_SetString(PyExc_RuntimeError, TMR_strerr(&self->reader, ret));
return NULL;
}
tag->epcMemData = PyByteArray_FromUInt8List(&tag->data.epcMemData);
tag->tidMemData = PyByteArray_FromUInt8List(&tag->data.tidMemData);
tag->userMemData = PyByteArray_FromUInt8List(&tag->data.userMemData);
tag->reservedMemData = PyByteArray_FromUInt8List(&tag->data.reservedMemData);
PyList_Append(list, (PyObject *)tag);
Py_XDECREF(tag);
}
return list;
}
int main(int argc, char *argv[])
{
TMR_Reader r, *rp;
TMR_Status ret;
TMR_Region region;
#if USE_TRANSPORT_LISTENER
TMR_TransportListenerBlock tb;
#endif
if (argc < 2)
{
errx(1, "Please provide reader URL, such as:\n"
"tmr:///com4\n"
"tmr://my-reader.example.com\n");
}
rp = &r;
ret = TMR_create(rp, argv[1]);
checkerr(rp, ret, 1, "creating reader");
#if USE_TRANSPORT_LISTENER
if (TMR_READER_TYPE_SERIAL == rp->readerType)
{
tb.listener = serialPrinter;
}
else
{
tb.listener = stringPrinter;
}
tb.cookie = stdout;
TMR_addTransportListener(rp, &tb);
#endif
ret = TMR_connect(rp);
checkerr(rp, ret, 1, "connecting reader");
region = TMR_REGION_NONE;
ret = TMR_paramGet(rp, TMR_PARAM_REGION_ID, ®ion);
checkerr(rp, ret, 1, "getting region");
if (TMR_REGION_NONE == region)
{
TMR_RegionList regions;
TMR_Region _regionStore[32];
regions.list = _regionStore;
regions.max = sizeof(_regionStore)/sizeof(_regionStore[0]);
regions.len = 0;
ret = TMR_paramGet(rp, TMR_PARAM_REGION_SUPPORTEDREGIONS, ®ions);
checkerr(rp, ret, __LINE__, "getting supported regions");
if (regions.len < 1)
{
checkerr(rp, TMR_ERROR_INVALID_REGION, __LINE__, "Reader doesn't supportany regions");
}
region = regions.list[0];
ret = TMR_paramSet(rp, TMR_PARAM_REGION_ID, ®ion);
checkerr(rp, ret, 1, "setting region");
}
{
TMR_ReadPlan simpleReadPlan, multiReadPlan;
TMR_ReadPlan subplans[5];
TMR_ReadPlan* subplanPtrs[5];
TMR_TagProtocolList value;
TMR_TagProtocol valueList[32];
int subplanCount = 0;
int j;
TMR_SR_GEN2_Q qValue;
uint8_t antenna[] = {1};
uint32_t tagCount = 1;
/* Initial test setup */
/* Set the Q value as per the tag population */
qValue.type = TMR_SR_GEN2_Q_STATIC;
qValue.u.staticQ.initialQ = 0;
ret = TMR_paramSet(rp, TMR_PARAM_GEN2_Q, &qValue);
checkerr(rp, ret, 1, "setting the Q Value");
/* The simple read plan */
TMR_RP_init_simple (&simpleReadPlan, 1, antenna, TMR_TAG_PROTOCOL_GEN2, 1000);
/* Stop N trigger */
TMR_RP_set_stopTrigger (&simpleReadPlan, tagCount);
/* The multi read plan */
{
value.max = 32;
value.list = valueList;
/* Berfore setting the readplen, we must get list of supported protocols */
ret = TMR_paramGet(rp, TMR_PARAM_VERSION_SUPPORTEDPROTOCOLS, &value);
checkerr(rp, ret, 1, "Getting the supported protocols");
{
ret = TMR_RP_init_simple(&subplans[subplanCount], 1, antenna,TMR_TAG_PROTOCOL_GEN2 , 1000);
TMR_RP_set_stopTrigger (&subplans[subplanCount], tagCount);
subplanCount++;
ret = TMR_RP_init_simple(&subplans[subplanCount], 1, antenna, TMR_TAG_PROTOCOL_ISO180006B, 1000);
TMR_RP_set_stopTrigger (&subplans[subplanCount], tagCount);
subplanCount++;
}
for (j = 0; j < subplanCount; j++)
{
subplanPtrs[j] = &subplans[j];
}
TMR_RP_init_multi(&multiReadPlan, subplanPtrs, subplanCount, 0);
}
/* Set the read plan */
ret = TMR_paramSet(rp, TMR_PARAM_READ_PLAN, &simpleReadPlan);
//enable this for multi read plan
//ret = TMR_paramSet(rp, TMR_PARAM_READ_PLAN, &multiReadPlan);
checkerr(rp, ret, 1, "setting read plan");
/* The sync read */
{
ret = TMR_read(rp, 1000, NULL);
checkerr(rp, ret, 1, "reading tags");
while (TMR_SUCCESS == TMR_hasMoreTags(rp))
{
TMR_TagReadData trd;
char epcStr[128];
ret = TMR_getNextTag(rp, &trd);
checkerr(rp, ret, 1, "fetching tag");
TMR_bytesToHex(trd.tag.epc, trd.tag.epcByteCount, epcStr);
printf("EPC:%s\n", epcStr);
}
}
}
TMR_destroy(rp);
return 0;
}
int main(int argc, char *argv[])
{
#ifndef TMR_ENABLE_BACKGROUND_READS
errx(1, "This sample requires background read functionality.\n"
"Please enable TMR_ENABLE_BACKGROUND_READS in tm_config.h\n"
"to run this codelet\n");
return -1;
#else
TMR_Reader r, *rp;
TMR_Status ret;
TMR_Region region;
#if USE_TRANSPORT_LISTENER
TMR_TransportListenerBlock tb;
#endif
TMR_ReadListenerBlock rlb;
TMR_ReadExceptionListenerBlock reb;
if (argc < 2)
{
errx(1, "Please provide reader URL, such as:\n"
"customschemename://readerIP:portname\n");
}
rp = &r;
/**
* Add the custom transport scheme before calling TMR_create().
* This can be done by using C API helper function TMR_setSerialTransport().
* It accepts two arguments. scheme and nativeInit.
* scheme: the custom transport scheme name. For demonstration using scheme as "tcp".
* nativeInit: reference to the transport factory init function.
*/
ret = TMR_setSerialTransport("tcp", &TMR_SR_SerialTransportTcpNativeInit);
checkerr(rp, ret, 1, "adding the custom transport scheme");
ret = TMR_create(rp, argv[1]);
checkerr(rp, ret, 1, "creating reader");
#if USE_TRANSPORT_LISTENER
if (TMR_READER_TYPE_SERIAL == rp->readerType)
{
tb.listener = serialPrinter;
}
else
{
tb.listener = stringPrinter;
}
tb.cookie = stdout;
TMR_addTransportListener(rp, &tb);
#endif
ret = TMR_connect(rp);
checkerr(rp, ret, 1, "connecting reader");
region = TMR_REGION_NONE;
ret = TMR_paramGet(rp, TMR_PARAM_REGION_ID, ®ion);
checkerr(rp, ret, 1, "getting region");
if (TMR_REGION_NONE == region)
{
TMR_RegionList regions;
TMR_Region _regionStore[32];
regions.list = _regionStore;
regions.max = sizeof(_regionStore)/sizeof(_regionStore[0]);
regions.len = 0;
ret = TMR_paramGet(rp, TMR_PARAM_REGION_SUPPORTEDREGIONS, ®ions);
checkerr(rp, ret, __LINE__, "getting supported regions");
if (regions.len < 1)
{
checkerr(rp, TMR_ERROR_INVALID_REGION, __LINE__, "Reader doesn't supportany regions");
}
region = regions.list[0];
ret = TMR_paramSet(rp, TMR_PARAM_REGION_ID, ®ion);
checkerr(rp, ret, 1, "setting region");
}
{
/* Initiate a sync read */
printf("\nDoing a sync read for 1sec duration\n");
ret = TMR_read(rp, 1000, NULL);
if (TMR_SUCCESS != ret)
{
fprintf(stderr, "Error reading tags: %s\n", TMR_strerr(rp, ret));
/* Don't exit, tags might still have been read before the error occurred. */
}
while (TMR_SUCCESS == TMR_hasMoreTags(rp))
{
TMR_TagReadData trd;
char epcStr[128];
ret = TMR_getNextTag(rp, &trd);
checkerr(rp, ret, 1, "fetching tag");
TMR_bytesToHex(trd.tag.epc, trd.tag.epcByteCount, epcStr);
printf("Background read: %s Protocol:%0x \n", epcStr, trd.tag.protocol);
}
}
{
/* Initiate an async read */
printf("\nDoing an async read for 1sec duration\n");
rlb.listener = callback;
rlb.cookie = NULL;
reb.listener = exceptionCallback;
reb.cookie = NULL;
ret = TMR_addReadListener(rp, &rlb);
checkerr(rp, ret, 1, "adding read listener");
ret = TMR_addReadExceptionListener(rp, &reb);
checkerr(rp, ret, 1, "adding exception listener");
ret = TMR_startReading(rp);
checkerr(rp, ret, 1, "starting reading");
tmr_sleep(1000);
ret = TMR_stopReading(rp);
checkerr(rp, ret, 1, "stopping reading");
}
TMR_destroy(rp);
return 0;
#endif /* TMR_ENABLE_BACKGROUND_READS */
}
