V1.0.4 Update

.gitignore

@@ -30,3 +30,7 @@
 *.exe
 *.out
 *.app
+
+# macOS
+.DS_Store
+*/.DS_Store`

README.md

@@ -1,7 +1,26 @@
 # DLLN3X_zigbee_mesh_module_library
 This library allows you to use DLLN3X ZigBee mesh module very easily.
 
+# Available Features
+
+1. Basic message sending and receiving.
+2. Module address reading.
+3. On-chip red led flashing control.
+4. Configuration reading, modification (baud rate, address, etc.).(TODO)
+5. Error Report.(TODO)
+6. Link quality test.(TODO)
+7. On-chip pin control.(TODO)
+
+# Example run results
+
+![example](./imgs/example.png)
+
 # Change Log
+
+**V1.0.4 2023.1.26**
+
+- Bug fixes and stability improvements.
+
 **V1.0.3 2023.1.12**
 
 - Bug fixed for example.

examples/dlln3x_test/dlln3x_test.ino

@@ -7,29 +7,44 @@ void zigbee_call_back(uint8_t orig_port,
                       uint8_t data[], int length) {
   switch (dest_port) {
     case 0x82:
-      {
+    {
         /* Do everything you want to do */
-        printf("Hello from port 0x%X!",orig_port);
+      char temp[200];
+      sprintf(temp, "Hello from port 0x%X: %s",orig_port,data); 
+      Serial.println(temp);
+      break;
+    }
+    default:
         break;
-
-        default:
-          break;
-      }
   }
 }
 
 void setup() {
-  dlln33.init(&Serial);// could be used like HardwareSerial(Serial1, Serial2 and etc.) or SoftwareSerial
+  Serial.begin(115200);
+  while (!Serial || millis() < 5000)
+    ;
+  dlln33.init(&Serial1);// could be used like HardwareSerial(Serial1, Serial2 and etc.) or SoftwareSerial
   dlln33.setcallback(zigbee_call_back);
-  printf("DLLN33 addr is 0x%X\n", dlln33.read_addr());
-  zframe.src_port = 0x81;
-  zframe.des_port = 0x82;
-  *((uint16_t *)&zframe.remote_addrL) = dlln33.read_addr();
-  strncpy((char*)zframe.data,"Hello to port 0x82!",21);
-  zframe.length = 21;
-  dlln33.send(&zframe);
+  while(dlln33.read_addr()==0)
+  {
+    Serial.println("Waiting for DLLN3X to connect........");
+    delay(1000);
+  }
+  char temp[20];
+  sprintf(temp, "DLLN3X addr: 0x%04X.",dlln33.read_addr());
+  Serial.println(temp);
 }
 
+uint64_t interval = 5000, pre_milli = 0;
 void loop() {
   dlln33.loop();
+  if (millis() - pre_milli >= interval) {
+    zframe.src_port = 0x81;
+    zframe.des_port = 0x82;
+    *((uint16_t *)&zframe.remote_addrL) = dlln33.read_addr(); // send pkg to self.
+    strncpy((char*)zframe.data,"Hello to port 0x82!",19);
+    zframe.length = 19;
+    dlln33.send(&zframe);
+    pre_milli = millis();
+  }
 }

library.properties

@@ -1,7 +1,7 @@
 name= DLLN3X ZigBee Mesh Module Library 
-version= 1.0.3
-author= Duke Liu <mentalflow@ourdocs.cn>
-maintainer= Duke Liu <mentalflow@ourdocs.cn>
+version= 1.0.4
+author= Dylan Liu <mentalflow@ourdocs.cn>
+maintainer= Dylan Liu <mentalflow@ourdocs.cn>
 sentence= This library allows you to use DLLN3X ZigBee mesh module very easily.
 paragraph= This library currently allows basic send and receive operations using the DLLN3X module, with more features to come.
 category= Communication

src/DLLN3X.cpp

@@ -8,7 +8,6 @@ void DLLN3X::init(HardwareSerial *DSerial)
     _DSerial = DSerial;
     DSerial->begin(115200);
     rled_blink();
-    _clear();
     read_addr();
 }
 
@@ -17,7 +16,6 @@ void DLLN3X::init(SoftwareSerial *DSerial)
     _DSerial = DSerial;
     DSerial->begin(115200);
     rled_blink();
-    _clear();
     read_addr();
 }
 
@@ -90,6 +88,8 @@ bool DLLN3X::recv(uint8_t *orig_port,
     _recv_lock = true;
     uint8_t buf[200] = "";
     uint8_t head = 0, tail = 0;
+    if(_DSerial->available()<6)
+        return false;
     head = _DSerial->read();
     if (head == 0xFE)
     {
@@ -102,13 +102,16 @@ bool DLLN3X::recv(uint8_t *orig_port,
         int count = 0;
         for (int i = 0; i < *length; i++)
         {
+            while(_DSerial->available()<1);
             buf[count++] = _DSerial->read();
             if (buf[count-1]==0xFE)
             {
+                while(_DSerial->available()<1);
                 buf[count++]=_DSerial->read();
             }
         }
         *length = count;
+        while(_DSerial->available()<1);
         _DSerial->read(); // read pkg tail
         *length = _depack(buf, data, *length);
         _recv_lock = false;
@@ -127,7 +130,6 @@ bool DLLN3X::send(uint8_t orig_port,
 {
     if (orig_port<0x80)
         return false;
-    
     uint8_t send_buf[208] = {0xFE}, buf[200] = "";
     uint8_t head = 0, buf_length = 0;
     buf_length = _pack(buf, data, length);
@@ -155,7 +157,7 @@ void DLLN3X::rled_blink(uint8_t orig_port, uint16_t addr, uint8_t time)
         if (i%2!=0)
             send(orig_port, 0x20, addr, &gap, 1);
         else
-            delay(gap*100);
+            delay(gap*200);
     }
 }
 
@@ -168,13 +170,11 @@ uint16_t DLLN3X::read_addr()
     uint16_t addr = 0xFFFF;
     uint8_t data[60] = "";
     int length = 0;
-    if (!_online)
-    {
-        _clear();
-        _online = true;
-    }
     send(0x80, 0x21, 0x0000, &arg, 1);
+    while(_DSerial->available()<10);
+    _recv_lock = true;
     recv(&orig_port, &dest_port, &addr, data, &length);
+    _recv_lock = false;
     if (orig_port!=0x21||dest_port!=0x80||addr !=0x0000||length!=3||data[0]!=0x21)
     {
         return 0;
@@ -192,15 +192,19 @@ void DLLN3X::loop()
     uint16_t addr = 0xFFFF;
     uint8_t data[200] = "";
     int length = 0;
-    if (_DSerial->available()>0&&!_recv_lock)
+    if (_DSerial->available()>7&&!_recv_lock)
     {
         recv(&orig_port,&dest_port,&addr,data,&length);
-        printf("Message: ");
+        Serial.print("Message: ");
         for (int i = 0; i < length;i++)
         {
-            printf("%X ", data[i]);
+            char temp[3];
+            sprintf(temp, "%02X ", data[i]);
+            Serial.print(temp);
         }
-        printf("at port %X from %X:%X\n", dest_port, addr, orig_port);
+        char temp[200];
+        sprintf(temp, "at port %02X from %04X:%02X.", dest_port, addr, orig_port);
+        Serial.println(temp);
         if (_callback!=nullptr)
             _callback(orig_port, dest_port, addr, data, length);
     }