Initial: Basic support for Portenta C33

  RTC support and OTA support missing

Author: pennam

src/AIoTC_Config.h

@@ -126,7 +126,7 @@
   #define HAS_TCP
 #endif
 
-#if defined(ARDUINO_NICLA_VISION)
+#if defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_PORTENTA_C33)
   #define BOARD_HAS_SE050
   #define HAS_TCP
 #endif

src/ArduinoIoTCloudTCP.cpp

@@ -166,6 +166,9 @@ int ArduinoIoTCloudTCP::begin(bool const enable_watchdog, String brokerAddress,
 
 #if defined(BOARD_HAS_ECCX08)
   _sslClient.setClient(_connection->getClient());
+#elif defined(ARDUINO_PORTENTA_C33)
+  _sslClient.setClient(_connection->getClient());
+  _sslClient.setCACert(AIoTSSCert);
 #elif defined(BOARD_HAS_SE050)
   _sslClient.appendCustomCACert(AIoTSSCert);
 #elif defined(BOARD_ESP)

src/ArduinoIoTCloudTCP.h

@@ -31,6 +31,9 @@
   #include "tls/utility/CryptoUtil.h"
 #elif defined(BOARD_ESP)
   #include <WiFiClientSecure.h>
+#elif defined(ARDUINO_PORTENTA_C33)
+  #include "tls/utility/CryptoUtil.h"
+  #include <SSLClient.h>
 #elif defined(BOARD_HAS_SE050)
   #include "tls/utility/CryptoUtil.h"
   #include <WiFiSSLSE050Client.h>
@@ -146,6 +149,10 @@ class ArduinoIoTCloudTCP: public ArduinoIoTCloudClass
     #elif defined(BOARD_ESP)
     WiFiClientSecure _sslClient;
     String _password;
+    #elif defined(ARDUINO_PORTENTA_C33)
+    ArduinoIoTCloudCertClass _cert;
+    SSLClient _sslClient;
+    CryptoUtil _crypto;
     #elif defined(BOARD_HAS_SE050)
     ArduinoIoTCloudCertClass _cert;
     WiFiSSLSE050Client _sslClient;

src/utility/time/TimeService.cpp

@@ -330,8 +330,9 @@ void TimeServiceClass::initRTC()
   stm32h7_initRTC();
 #elif defined (ARDUINO_ARCH_ESP32)
   esp32_initRTC();
-#elif ARDUINO_ARCH_ESP8266
+#elif defined (ARDUINO_ARCH_ESP8266)
   esp8266_initRTC();
+#elif defined (ARDUINO_PORTENTA_C33)
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -347,8 +348,9 @@ void TimeServiceClass::setRTC(unsigned long time)
   stm32h7_setRTC(time);
 #elif defined (ARDUINO_ARCH_ESP32)
   esp32_setRTC(time);
-#elif ARDUINO_ARCH_ESP8266
+#elif defined (ARDUINO_ARCH_ESP8266)
   esp8266_setRTC(time);
+#elif defined (ARDUINO_PORTENTA_C33)
 #else
   #error "RTC not available for this architecture"
 #endif
@@ -364,8 +366,9 @@ unsigned long TimeServiceClass::getRTC()
   return stm32h7_getRTC();
 #elif defined (ARDUINO_ARCH_ESP32)
   return esp32_getRTC();
-#elif ARDUINO_ARCH_ESP8266
+#elif defined (ARDUINO_ARCH_ESP8266)
   return esp8266_getRTC();
+#elif defined (ARDUINO_PORTENTA_C33)
 #else
   #error "RTC not available for this architecture"
 #endif