Minor tweaks for non-SAMD boards

Author: sandeepmistry

Diff for: src/bearssl/config.h

@@ -154,7 +154,7 @@
  *
 #define BR_ARMEL_CORTEXM_GCC   1
  */
-#ifdef ARDUINO
+#if defined(ARDUINO) && defined(__arm__)
 #define BR_ARMEL_CORTEXM_GCC   1
 #endif
 

Diff for: src/utility/ECCX08.cpp

@@ -28,7 +28,9 @@ int ECCX08Class::begin()
 
 void ECCX08Class::end()
 {
+#ifdef WIRE_HAS_END
   _wire->end();
+#endif
 }
 
 String ECCX08Class::serialNumber()
@@ -563,10 +565,10 @@ int ECCX08Class::sendCommand(uint8_t opcode, uint8_t param1, uint16_t param2, co
 int ECCX08Class::receiveResponse(void* response, size_t length)
 {
   int retries = 20;
-  int responseSize = length + 3; // 1 for length header, 2 for CRC
+  size_t responseSize = length + 3; // 1 for length header, 2 for CRC
   byte responseBuffer[responseSize];
 
-  while (_wire->requestFrom(_address, responseSize) != responseSize && retries--);
+  while (_wire->requestFrom((uint8_t)_address, (size_t)responseSize, (bool)true) != responseSize && retries--);
 
   responseBuffer[0] = _wire->read();