GSM: remove isReady

Author: pennam

libraries/GSM/src/GSM.cpp

@@ -66,11 +66,6 @@ int arduino::GSMClass::begin(const char* pin, const char* apn, const char* usern
   _device = _context->get_device();
   _device->modem_debug_on(_at_debug);
 
-  if (!isReady()) {
-    DEBUG_ERROR("Cellular device not ready");
-    return 0;
-  }
-
   _device->set_cmux_status_flag(_cmuxGSMenable);
   _device->set_retry_timeout_array(_retry_timeout, sizeof(_retry_timeout) / sizeof(_retry_timeout[0]));
   _device->attach(mbed::callback(this, &GSMClass::onStatusChange));
@@ -170,22 +165,7 @@ void arduino::GSMClass::reset() {
   delay(1);
 }
 
-bool arduino::GSMClass::isReady(const int timeout) {
-  if (!_device) {
-    DEBUG_ERROR("No device found");
-    return false;
-  }
 
-  const unsigned int start = millis();
-  while (_device->is_ready() != NSAPI_ERROR_OK) {
 
-    if (millis() - start > timeout) {
-      DEBUG_WARNING("Timeout waiting device ready");
-      return false;
-    }
-    delay(100);
-  }
-  return true;
-}
 
 arduino::GSMClass GSM;

libraries/GSM/src/GSM.h

@@ -150,7 +150,6 @@ class GSMClass : public MbedSocketClass {
   void onStatusChange(nsapi_event_t ev, intptr_t in);
 
   void reset();
-  bool isReady(const int timeout = 5000);
 };
 
 }