fix Interrupt

fix connect to WiFi with only one AP

src/app.cpp

@@ -13,6 +13,7 @@ app::app() : ah::Scheduler() {}
 
 //-----------------------------------------------------------------------------
 void app::setup() {
+    mSys = NULL;
     Serial.begin(115200);
     while (!Serial)
         yield();

src/app.h

@@ -60,6 +60,11 @@ class app : public IApp, public ah::Scheduler {
         void onWifi(bool gotIp);
         void regularTickers(void);
 
+        void handleIntr(void) {
+            if(NULL != mSys)
+                mSys->Radio.handleIntr();
+        }
+
         uint32_t getUptime() {
             return Scheduler::getUptime();
         }

src/hm/hmRadio.h

@@ -82,7 +82,6 @@ class HmRadio {
         void setup(uint8_t ampPwr = RF24_PA_LOW, uint8_t irq = IRQ_PIN, uint8_t ce = CE_PIN, uint8_t cs = CS_PIN) {
             DPRINTLN(DBG_VERBOSE, F("hmRadio.h:setup"));
             pinMode(irq, INPUT_PULLUP);
-            attachInterrupt(digitalPinToInterrupt(irq), []()IRAM_ATTR{ mIrqRcvd = true;  }, FALLING);
 
             uint32_t dtuSn = 0x87654321;
             uint32_t chipID = 0; // will be filled with last 3 bytes of MAC
@@ -166,6 +165,10 @@ class HmRadio {
             return true;
         }
 
+        void handleIntr(void) {
+            mIrqRcvd = true;
+        }
+
         bool isChipConnected(void) {
             //DPRINTLN(DBG_VERBOSE, F("hmRadio.h:isChipConnected"));
             return mNrf24.isChipConnected();

src/main.cpp

@@ -7,11 +7,21 @@
 #include "app.h"
 #include "config/config.h"
 
+
 app myApp;
 
+//-----------------------------------------------------------------------------
+IRAM_ATTR void handleIntr(void) {
+    myApp.handleIntr();
+}
+
+
 //-----------------------------------------------------------------------------
 void setup() {
     myApp.setup();
+
+    // TODO: move to HmRadio
+    attachInterrupt(digitalPinToInterrupt(myApp.getIrqPin()), handleIntr, FALLING);
 }
 
 

src/wifi/ahoywifi.cpp

@@ -88,7 +88,12 @@ void ahoywifi::tickWifiLoop() {
         }
         mCnt++;
 
-        if(!mScanActive && mBSSIDList.empty()) { // start scanning APs with the given SSID
+        uint8_t timeout = 10; // seconds
+        if (mStaConn == CONNECTED) // connected but no ip
+            timeout = 20;
+
+
+        if(!mScanActive && mBSSIDList.empty() && ((mCnt % timeout) == 0)) { // start scanning APs with the given SSID
             DBGPRINT(F("scanning APs with SSID "));
             DBGPRINTLN(String(mConfig->sys.stationSsid));
             mScanCnt = 0;
@@ -100,12 +105,6 @@ void ahoywifi::tickWifiLoop() {
             #endif
             return;
         }
-
-        uint8_t timeout = 10; // seconds
-
-        if (mStaConn == CONNECTED) // connected but no ip
-            timeout = 20;
-
         DBGPRINT(F("reconnect in "));
         DBGPRINT(String(timeout-mCnt));
         DBGPRINTLN(F(" seconds"));