Bugfix: Feed watchdog within busy-wait-loop within connectBearSSL to prevent a premature reset.

src/utility/server_drv.cpp

@@ -130,7 +130,7 @@ void ServerDrv::startClient(const char* host, uint8_t host_len, uint32_t ipAddre
 
     SpiDrv::spiSlaveDeselect();
     //Wait the reply elaboration
-    SpiDrv::waitForSlaveReady();
+    SpiDrv::waitForSlaveReady(/* feed_watchdog = */ (protMode == TLS_BEARSSL_MODE));
     SpiDrv::spiSlaveSelect();
 
     // Wait for reply

src/utility/spi_drv.cpp

@@ -207,9 +207,30 @@ void SpiDrv::waitForSlaveSign()
 	while (!waitSlaveSign());
 }
 
-void SpiDrv::waitForSlaveReady()
+#if defined __has_include
+#  if __has_include (<Adafruit_SleepyDog.h>)
+#    include <Adafruit_SleepyDog.h>
+#    define HAS_WATCHDOG 1
+#  endif
+#else
+#  define HAS_WATCHDOG 0
+#endif
+
+void SpiDrv::waitForSlaveReady(bool const feed_watchdog)
 {
-	while (!waitSlaveReady());
+#if HAS_WATCHDOG
+    unsigned long const start = millis();
+#endif /* HAS_WATCHDOG */
+	while (!waitSlaveReady())
+    {
+#if HAS_WATCHDOG
+        if (feed_watchdog) {
+            if ((millis() - start) < 10000) {
+                Watchdog.reset();
+            }
+        }
+#endif /* HAS_WATCHDOG */
+    }
 }
 
 void SpiDrv::getParam(uint8_t* param)

src/utility/spi_drv.h

@@ -59,7 +59,7 @@ class SpiDrv
 
     static char spiTransfer(volatile char data);
 
-    static void waitForSlaveReady();
+    static void waitForSlaveReady(bool const feed_watchdog = false);
 
     //static int waitSpiChar(char waitChar, char* readChar);