Changed the API to pass the NPDU data down through the datalink layer in order to make the dlmstp work since it needs data-expecting-reply information. Of course, this affected all the demos, all the unit tests, and most of the demo handlers. Corrected some TSM leaks in confirmed messages. Refactored the AtomicReadFile and AtomicWriteFile demos by moving the Send_ functions to the demo/handlers directory and using the s_whois common handler. Added some common defines for the BACnet version and revision since several modules were using the info. Hopefully I didn't break too many things.
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@@ -49,13 +49,13 @@ uint8_t Send_Read_Property_Request(uint32_t device_id, /* destination device */
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BACNET_PROPERTY_ID object_property, int32_t array_index)
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{
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BACNET_ADDRESS dest;
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BACNET_ADDRESS my_address;
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unsigned max_apdu = 0;
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uint8_t invoke_id = 0;
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bool status = false;
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int pdu_len = 0;
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int bytes_sent = 0;
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BACNET_READ_PROPERTY_DATA data;
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BACNET_NPDU_DATA npdu_data;
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if (!dcc_communication_enabled())
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return 0;
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@@ -64,19 +64,14 @@ uint8_t Send_Read_Property_Request(uint32_t device_id, /* destination device */
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status = address_get_by_device(device_id, &max_apdu, &dest);
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/* is there a tsm available? */
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if (status)
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status = tsm_transaction_available();
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if (status) {
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datalink_get_my_address(&my_address);
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pdu_len = npdu_encode_apdu(&Handler_Transmit_Buffer[0], &dest, &my_address, true, /* true for confirmed messages */
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MESSAGE_PRIORITY_NORMAL);
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invoke_id = tsm_next_free_invokeID();
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if (invoke_id) {
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/* load the data for the encoding */
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data.object_type = object_type;
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data.object_instance = object_instance;
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data.object_property = object_property;
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data.array_index = array_index;
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pdu_len += rp_encode_apdu(&Handler_Transmit_Buffer[pdu_len],
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pdu_len = rp_encode_apdu(&Handler_Transmit_Buffer[0],
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invoke_id, &data);
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/* will it fit in the sender?
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note: if there is a bottleneck router in between
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@@ -84,17 +79,25 @@ uint8_t Send_Read_Property_Request(uint32_t device_id, /* destination device */
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we have a way to check for that and update the
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max_apdu in the address binding table. */
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if ((unsigned) pdu_len < max_apdu) {
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npdu_encode_confirmed_apdu(&npdu_data, MESSAGE_PRIORITY_NORMAL);
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tsm_set_confirmed_unsegmented_transaction(invoke_id,
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&dest, &Handler_Transmit_Buffer[0], pdu_len);
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bytes_sent = datalink_send_pdu(&dest, /* destination address */
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&Handler_Transmit_Buffer[0], pdu_len); /* number of bytes of data */
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&dest, &npdu_data, &Handler_Transmit_Buffer[0], pdu_len);
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bytes_sent = datalink_send_pdu(&dest, &npdu_data,
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&Handler_Transmit_Buffer[0], pdu_len);
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#if PRINT_ENABLED
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if (bytes_sent <= 0)
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fprintf(stderr,
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"Failed to Send ReadProperty Request (%s)!\n",
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strerror(errno));
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} else
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#endif
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} else {
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tsm_free_invoke_id(invoke_id);
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invoke_id = 0;
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#if PRINT_ENABLED
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fprintf(stderr, "Failed to Send ReadProperty Request "
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"(exceeds destination maximum APDU)!\n");
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#endif
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}
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}
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return invoke_id;
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