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 */ }