SPIDrv improved waitForSlaveReady function

changed deault behaviour for watchdog kick and added timeout as
parameter

Author: andreagilardoni

src/utility/spi_drv.cpp

@@ -215,13 +215,13 @@ void SpiDrv::waitForSlaveSign()
 	while (!waitSlaveSign());
 }
 
-void SpiDrv::waitForSlaveReady(bool const feed_watchdog)
+void SpiDrv::waitForSlaveReady(bool const feed_watchdog, int timeout)
 {
     unsigned long const start = millis();
 	while (!waitSlaveReady())
     {
         if (feed_watchdog) {
-            if ((millis() - start) < 10000) {
+            if ((millis() - start) < timeout) {
                 WiFi.feedWatchdog();
             }
         }

src/utility/spi_drv.h

@@ -59,7 +59,7 @@ class SpiDrv
 
     static char spiTransfer(volatile char data);
 
-    static void waitForSlaveReady(bool const feed_watchdog = false);
+    static void waitForSlaveReady(bool const feed_watchdog = true, int timeout=6000);
 
     //static int waitSpiChar(char waitChar, char* readChar);