* added RX channel 40

* improved RF24 ISR
* reduced AP active time to 60s (will be increase once a client is connected)
* added `yield` without success -> random reboot (cause 4)

tools/esp8266/app.cpp

@@ -152,6 +152,8 @@ void app::setup(uint32_t timeout) {
 void app::loop(void) {
     Main::loop();
 
+    mSys->Radio.loop();
+
     if(checkTicker(&mRxTicker, 5)) {
         bool rxRdy = mSys->Radio.switchRxCh();
 
@@ -187,6 +189,7 @@ void app::loop(void) {
             }
 
             mSys->BufCtrl.popBack();
+            yield();
         }
 
 
@@ -309,6 +312,7 @@ bool app::buildPayload(uint8_t id) {
             else
                 crc = crc16(mPayload[id].data[i], mPayload[id].len[i], crc);
         }
+        yield();
     }
     if(crc == crcRcv)
         return true;
@@ -341,7 +345,7 @@ void app::processPayload(bool retransmit) {
                             else
                                 mSys->Radio.sendTimePacket(iv->radioId.u64, mPayload[iv->id].ts);
                         }
-                        mSys->Radio.switchRxCh(100);
+                        mSys->Radio.switchRxCh(300);
                     }
                 }
                 else {
@@ -352,6 +356,7 @@ void app::processPayload(bool retransmit) {
                     for(uint8_t i = 0; i < (mPayload[iv->id].maxPackId); i ++) {
                         memcpy(&payload[offs], mPayload[iv->id].data[i], (mPayload[iv->id].len[i]));
                         offs += (mPayload[iv->id].len[i]);
+                        yield();
                     }
                     offs-=2;
                     if(mSerialDebug) {
@@ -367,6 +372,7 @@ void app::processPayload(bool retransmit) {
                 }
             }
         }
+        yield();
     }
 }
 
@@ -629,6 +635,7 @@ void app::showLiveData(void) {
                     }
                 }
                 modHtml += "</div>";
+                yield();
             }
             modHtml += F("<div class=\"ts\">Last received data requested at: ") + getDateTimeStr(iv->ts) + F("</div>");
             modHtml += F("</div>");

tools/esp8266/config.h

@@ -21,7 +21,7 @@
 
 // time during the ESP will act as access point on connection failure (to
 // station) in seconds
-#define WIFI_AP_ACTIVE_TIME     3*60
+#define WIFI_AP_ACTIVE_TIME     60
 
 // default device name
 #define DEF_DEVICE_NAME         "ESP-DTU"

tools/esp8266/defines.h

@@ -16,7 +16,7 @@
 //-------------------------------------
 #define VERSION_MAJOR       0
 #define VERSION_MINOR       4
-#define VERSION_PATCH       13
+#define VERSION_PATCH       14
 
 
 //-------------------------------------

tools/esp8266/hmRadio.h

@@ -13,7 +13,7 @@
 #define DTU_RADIO_ID            ((uint64_t)0x1234567801ULL)
 #define DUMMY_RADIO_ID          ((uint64_t)0xDEADBEEF01ULL)
 
-#define RX_LOOP_CNT             400
+#define RX_LOOP_CNT             600
 
 const char* const rf24AmpPower[] = {"MIN", "LOW", "HIGH", "MAX"};
 
@@ -55,6 +55,7 @@ class HmRadio {
             mRxChLst[1] = 23;
             mRxChLst[2] = 61;
             mRxChLst[3] = 75;
+            mRxChLst[4] = 40;
             mRxChIdx    = 0;
             mRxLoopCnt  = RX_LOOP_CNT;
 
@@ -66,6 +67,7 @@ class HmRadio {
             mSendCnt       = 0;
 
             mSerialDebug = false;
+            mIrqRcvd     = false;
         }
         ~HmRadio() {}
 
@@ -102,31 +104,39 @@ class HmRadio {
             }
         }
 
-        void handleIntr(void) {
-            uint8_t pipe, len;
-            packet_t *p;
-
+        void loop(void) {
             DISABLE_IRQ;
-            while(mNrf24.available(&pipe)) {
-                if(!mBufCtrl->full()) {
-                    p = mBufCtrl->getFront();
-                    memset(p->packet, 0xcc, MAX_RF_PAYLOAD_SIZE);
-                    p->rxCh = mRxChLst[mRxChIdx];
-                    len = mNrf24.getPayloadSize();
-                    if(len > MAX_RF_PAYLOAD_SIZE)
-                        len = MAX_RF_PAYLOAD_SIZE;
-
-                    mNrf24.read(p->packet, len);
-                    mBufCtrl->pushFront(p);
-                }
-                else {
-                    bool tx_ok, tx_fail, rx_ready;
-                    mNrf24.whatHappened(tx_ok, tx_fail, rx_ready); // reset interrupt status
-                    mNrf24.flush_rx(); // drop the packet
-                    break;
+            if(mIrqRcvd) {
+                mIrqRcvd = false;
+                bool tx_ok, tx_fail, rx_ready;
+                mNrf24.whatHappened(tx_ok, tx_fail, rx_ready); // resets the IRQ pin to HIGH
+                RESTORE_IRQ;
+                uint8_t pipe, len;
+                packet_t *p;
+                while(mNrf24.available(&pipe)) {
+                    if(!mBufCtrl->full()) {
+                        p = mBufCtrl->getFront();
+                        p->rxCh = mRxChLst[mRxChIdx];
+                        len = mNrf24.getPayloadSize();
+                        if(len > MAX_RF_PAYLOAD_SIZE)
+                            len = MAX_RF_PAYLOAD_SIZE;
+
+                        mNrf24.read(p->packet, len);
+                        mBufCtrl->pushFront(p);
+                    }
+                    else {
+                        mNrf24.flush_rx(); // drop the packet
+                        break;
+                    }
+                    yield();
                 }
             }
-            RESTORE_IRQ;
+            else
+                RESTORE_IRQ;
+        }
+
+        void handleIntr(void) {
+            mIrqRcvd = true;
         }
 
         uint8_t getDefaultChannel(void) {
@@ -183,7 +193,7 @@ class HmRadio {
             return valid;
         }
 
-        bool switchRxCh(uint8_t addLoop = 0) {
+        bool switchRxCh(uint16_t addLoop = 0) {
             mRxLoopCnt += addLoop;
             if(mRxLoopCnt != 0) {
                 mRxLoopCnt--;
@@ -263,7 +273,7 @@ class HmRadio {
         }
 
         uint8_t getRxNxtChannel(void) {
-            if(++mRxChIdx >= 4)
+            if(++mRxChIdx >= 5)
                 mRxChIdx = 0;
             return mRxChLst[mRxChIdx];
         }
@@ -272,13 +282,15 @@ class HmRadio {
         uint8_t mTxChLst[1];
         //uint8_t mTxChIdx;
 
-        uint8_t mRxChLst[4];
+        uint8_t mRxChLst[5];
         uint8_t mRxChIdx;
         uint16_t mRxLoopCnt;
 
         RF24 mNrf24;
         BUFFER *mBufCtrl;
         uint8_t mTxBuf[MAX_RF_PAYLOAD_SIZE];
+
+        volatile bool mIrqRcvd;
 };
 
 #endif /*__RADIO_H__*/

tools/esp8266/hmSystem.h

@@ -36,8 +36,8 @@ class HmSystem {
             p->id         = mNumInv;
             p->serial.u64 = serial;
             memcpy(p->chMaxPwr, chMaxPwr, (4*2));
-            DPRINT("SERIAL: " + String(p->serial.b[5], HEX));
-            DPRINTLN(" " + String(p->serial.b[4], HEX));
+            //DPRINT("SERIAL: " + String(p->serial.b[5], HEX));
+            //DPRINTLN(" " + String(p->serial.b[4], HEX));
             if(p->serial.b[5] == 0x11) {
                 switch(p->serial.b[4]) {
                     case 0x21: p->type = INV_TYPE_1CH; break;

tools/esp8266/main.cpp

@@ -105,10 +105,10 @@ void Main::loop(void) {
             }
         }
 
-        if(++mHeapStatCnt >= 10) {
+        /*if(++mHeapStatCnt >= 10) {
             mHeapStatCnt = 0;
             stats();
-        }
+        }*/
     }
 }
 

tools/esp8266/mqtt.h

@@ -36,7 +36,8 @@ class mqtt {
 
                 if(!mClient->connected())
                     reconnect();
-                mClient->publish(top, msg);
+                if(mClient->connected())
+                    mClient->publish(top, msg);
             }
         }