Fix Zigbee auto-increment transaction number (#7757)

tasmota/CHANGELOG.md

@@ -5,6 +5,7 @@
 - Revert most wifi connectivity changes introduced in 8.1.0.5 (#7746, #7602, #7621)
 - Add initial support for Sensors AHT10 and AHT15 by Martin Wagner (#7596)
 - Add support for Wemos Motor Shield V1 by Denis Sborets (#7764)
+- Fix Zigbee auto-increment transaction number (#7757)
 
 ### 8.1.0.8 20200212
 

tasmota/i18n.h

@@ -489,6 +489,7 @@
 #define D_CMND_ZIGBEE_FORGET "Forget"
 #define D_CMND_ZIGBEE_SAVE "Save"
   #define D_CMND_ZIGBEE_LINKQUALITY "LinkQuality"
+  #define D_CMND_ZIGBEE_ENDPOINT "Endpoint"
 #define D_CMND_ZIGBEE_READ "Read"
 #define D_CMND_ZIGBEE_SEND "Send"
   #define D_JSON_ZIGBEE_ZCL_SENT "ZbZCLSent"

tasmota/xdrv_23_zigbee_1_headers.ino

@@ -21,7 +21,7 @@
 
 // contains some definitions for functions used before their declarations
 
-void ZigbeeZCLSend(uint16_t dtsAddr, uint16_t clusterId, uint8_t endpoint, uint8_t cmdId, bool clusterSpecific, const uint8_t *msg, size_t len, bool disableDefResp = true, uint8_t transacId = 1);
+void ZigbeeZCLSend(uint16_t dtsAddr, uint16_t clusterId, uint8_t endpoint, uint8_t cmdId, bool clusterSpecific, const uint8_t *msg, size_t len, bool needResponse, uint8_t transacId);
 
 
 // Get an JSON attribute, with case insensitive key search

tasmota/xdrv_23_zigbee_3_devices.ino

@@ -49,6 +49,8 @@ typedef struct Z_Device {
   // json buffer used for attribute reporting
   DynamicJsonBuffer    *json_buffer;
   JsonObject           *json;
+  // sequence number for Zigbee frames
+  uint8_t              seqNumber;
 } Z_Device;
 
 // All devices are stored in a Vector
@@ -96,6 +98,9 @@ public:
   // device just seen on the network, update the lastSeen field
   void updateLastSeen(uint16_t shortaddr);
 
+  // get next sequence number for (increment at each all)
+  uint8_t getNextSeqNumber(uint16_t shortaddr);
+
   // Dump json
   String dump(uint32_t dump_mode, uint16_t status_shortaddr = 0) const;
 
@@ -133,6 +138,7 @@ public:
 private:
   std::vector<Z_Device> _devices = {};
   uint32_t              _saveTimer = 0;   
+  uint8_t               _seqNumber = 0;     // global seqNumber if device is unknown
 
   template < typename T>
   static bool findInVector(const std::vector<T>  & vecOfElements, const T  & element);
@@ -226,7 +232,9 @@ Z_Device & Z_Devices::createDeviceEntry(uint16_t shortaddr, uint64_t longaddr) {
                       std::vector<uint32_t>(),
                       0,0,0,0,
                       nullptr,
-                      nullptr, nullptr };
+                      nullptr, nullptr,
+                      0,          // seqNumber
+                      };
   device.json_buffer = new DynamicJsonBuffer();
   _devices.push_back(device);
   dirty();
@@ -532,6 +540,19 @@ void Z_Devices::updateLastSeen(uint16_t shortaddr) {
   _updateLastSeen(device);
 }
 
+// get the next sequance number for the device, or use the global seq number if device is unknown
+uint8_t Z_Devices::getNextSeqNumber(uint16_t shortaddr) {
+  int32_t short_found = findShortAddr(shortaddr);
+  if (short_found >= 0) {
+    Z_Device &device = getShortAddr(shortaddr);
+    device.seqNumber += 1;
+    return device.seqNumber;
+  } else {
+    _seqNumber += 1;
+    return _seqNumber;
+  }
+}
+
 // Per device timers
 //
 // Reset the timer for a specific device

tasmota/xdrv_23_zigbee_6_commands.ino

@@ -78,7 +78,7 @@ int32_t Z_ReadAttrCallback(uint16_t shortaddr, uint16_t cluster, uint16_t endpoi
       break;
   }
   if (attrs) {
-    ZigbeeZCLSend(shortaddr, cluster, endpoint, ZCL_READ_ATTRIBUTES, false, attrs, attrs_len, false /* we do want a response */);
+    ZigbeeZCLSend(shortaddr, cluster, endpoint, ZCL_READ_ATTRIBUTES, false, attrs, attrs_len, true /* we do want a response */, zigbee_devices.getNextSeqNumber(shortaddr));
   }
 }
 

tasmota/xdrv_23_zigbee_8_parsers.ino

@@ -451,6 +451,8 @@ int32_t Z_ReceiveAfIncomingMessage(int32_t res, const class SBuffer &buf) {
   AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_ZIGBEE D_JSON_ZIGBEEZCL_RAW_RECEIVED ": {\"0x%04X\":%s}"), srcaddr, msg.c_str());
 
   zcl_received.postProcessAttributes(srcaddr, json);
+  // Add Endpoint
+  json[F(D_CMND_ZIGBEE_ENDPOINT)] = srcendpoint;
   // Add linkquality
   json[F(D_CMND_ZIGBEE_LINKQUALITY)] = linkquality;
 

tasmota/xdrv_23_zigbee_9_impl.ino

@@ -344,7 +344,7 @@ void ZigbeeZNPSend(const uint8_t *msg, size_t len) {
                                		ToHex_P(msg, len, hex_char, sizeof(hex_char)));
 }
 
-void ZigbeeZCLSend(uint16_t dtsAddr, uint16_t clusterId, uint8_t endpoint, uint8_t cmdId, bool clusterSpecific, const uint8_t *msg, size_t len, bool disableDefResp, uint8_t transacId) {
+void ZigbeeZCLSend(uint16_t dtsAddr, uint16_t clusterId, uint8_t endpoint, uint8_t cmdId, bool clusterSpecific, const uint8_t *msg, size_t len, bool needResponse, uint8_t transacId) {
   SBuffer buf(25+len);
   buf.add8(Z_SREQ | Z_AF);        // 24
   buf.add8(AF_DATA_REQUEST);      // 01
@@ -357,7 +357,7 @@ void ZigbeeZCLSend(uint16_t dtsAddr, uint16_t clusterId, uint8_t endpoint, uint8
   buf.add8(0x1E);                 // 1E radius
 
   buf.add8(3 + len);
-  buf.add8((disableDefResp ? 0x10 : 0x00) | (clusterSpecific ? 0x01 : 0x00));                 // Frame Control Field
+  buf.add8((needResponse ? 0x00 : 0x10) | (clusterSpecific ? 0x01 : 0x00));                 // Frame Control Field
   buf.add8(transacId);            // Transaction Sequance Number
   buf.add8(cmdId);
   if (len > 0) {
@@ -438,7 +438,7 @@ void zigbeeZCLSendStr(uint16_t dstAddr, uint8_t endpoint, const char *data) {
   }
 
   // everything is good, we can send the command
-  ZigbeeZCLSend(dstAddr, cluster, endpoint, cmd, clusterSpecific, buf.getBuffer(), buf.len());
+  ZigbeeZCLSend(dstAddr, cluster, endpoint, cmd, clusterSpecific, buf.getBuffer(), buf.len(), false, zigbee_devices.getNextSeqNumber(dstAddr));
   // now set the timer, if any, to read back the state later
   if (clusterSpecific) {
     zigbeeSetCommandTimer(dstAddr, cluster, endpoint);
@@ -469,6 +469,7 @@ void CmndZbSend(void) {
   uint8_t  endpoint = 0x00;       // 0x00 is invalid for the dst endpoint
   String   cmd_str = "";          // the actual low-level command, either specified or computed
 
+  // parse JSON
   const JsonVariant &val_device = getCaseInsensitive(json, PSTR("Device"));
   if (nullptr != &val_device) {
     device = zigbee_devices.parseDeviceParam(val_device.as<char*>());
@@ -729,7 +730,7 @@ void CmndZbRead(void) {
   }
 
   if ((0 != endpoint) && (attrs_len > 0)) {
-    ZigbeeZCLSend(device, cluster, endpoint, ZCL_READ_ATTRIBUTES, false, attrs, attrs_len, false /* we do want a response */);
+    ZigbeeZCLSend(device, cluster, endpoint, ZCL_READ_ATTRIBUTES, false, attrs, attrs_len, true /* we do want a response */, zigbee_devices.getNextSeqNumber(device));
     ResponseCmndDone();
   } else {
     ResponseCmndChar("Missing parameters");