feat: NotecardConnectionManager

Author: zfields

Diff for: .gitignore

@@ -0,0 +1 @@
+.vscode/

Diff for: README.md

@@ -20,7 +20,7 @@ Library for handling and managing network connections by providing keep-alive fu
 #if defined(BOARD_HAS_ETHERNET)
 EthernetConnectionHandler conMan;
 #elif defined(BOARD_HAS_WIFI)
-WiFiConnectionHandler conMan("SECRET_SSID", "SECRET_PASS");
+WiFiConnectionHandler conMan("SECRET_WIFI_SSID", "SECRET_WIFI_PASS");
 #elif defined(BOARD_HAS_GSM)
 GSMConnectionHandler conMan("SECRET_PIN", "SECRET_APN", "SECRET_GSM_LOGIN", "SECRET_GSM_PASS");
 #elif defined(BOARD_HAS_NB)

Diff for: examples/ConnectionHandlerDemo/ConnectionHandlerDemo.ino

@@ -1,10 +1,21 @@
 /* SECRET_ fields are in arduino_secrets.h included above
- * if using a WiFi board (Arduino MKR1000, MKR WiFi 1010, Nano 33 IoT, UNO
+ *
+ * If using a Host + Notecard connected over I2C you'll need a
+ * NotecardConnectionHandler object as follows
+ *
+ *   NotecardConnectionHandler conMan(NOTECARD_PRODUCT_UID);
+ *
+ * If using a Host + Notecard connected over Serial you'll need a
+ * NotecardConnectionHandler object as follows
+ *
+ *   NotecardConnectionHandler conMan(NOTECARD_PRODUCT_UID, Serial);
+ *
+ * If using a WiFi board (Arduino MKR1000, MKR WiFi 1010, Nano 33 IoT, UNO
  * WiFi Rev 2 or ESP8266/32), create a WiFiConnectionHandler object by adding
- * Network Name (SECRET_SSID) and password (SECRET_PASS) in the arduino_secrets.h
- * file (or Secrets tab in Create Web Editor).
+ * Network Name (SECRET_WIFI_SSID) and password (SECRET_WIFI_PASS) in the
+ * arduino_secrets.h file (or Secrets tab in Create Web Editor).
  *
- *    WiFiConnectionHandler conMan(SECRET_SSID, SECRET_PASS);
+ *    WiFiConnectionHandler conMan(SECRET_WIFI_SSID, SECRET_WIFI_PASS);
  *
  * If using a MKR GSM 1400 or other GSM boards supporting the same API you'll
  * need a GSMConnectionHandler object as follows
@@ -31,10 +42,25 @@
 
 #include <Arduino_ConnectionHandler.h>
 
-#if defined(BOARD_HAS_ETHERNET)
+#if !(defined(USE_NOTECARD) || defined(BOARD_HAS_WIFI) || defined(BOARD_HAS_GSM) || defined(BOARD_HAS_LORA) || \
+      defined(BOARD_HAS_NB) || defined(BOARD_HAS_ETHERNET) || defined(BOARD_HAS_CATM1_NBIOT))
+  #error "Please check Arduino Connection Handler supported boards list: https://github.com/arduino-libraries/Arduino_ConnectionHandler/blob/master/README.md"
+#endif
+
+#if defined(USE_NOTECARD)
+  /* The Notecard can provide connectivity to almost any board via ESLOV (I2C)
+   * or UART. An empty string (or the default value provided below) will not
+   * override the Notecard's existing configuration.
+   * Learn more at: https://dev.blues.io */
+  #define NOTECARD_PRODUCT_UID "com.domain.you:product"
+#endif
+
+#if defined(USE_NOTECARD)
+NotecardConnectionHandler conMan(NOTECARD_PRODUCT_UID);
+#elif defined(BOARD_HAS_ETHERNET)
 EthernetConnectionHandler conMan(SECRET_IP, SECRET_DNS, SECRET_GATEWAY, SECRET_NETMASK);
 #elif defined(BOARD_HAS_WIFI)
-WiFiConnectionHandler conMan(SECRET_SSID, SECRET_PASS);
+WiFiConnectionHandler conMan(SECRET_WIFI_SSID, SECRET_WIFI_PASS);
 #elif defined(BOARD_HAS_GSM)
 GSMConnectionHandler conMan(SECRET_PIN, SECRET_APN, SECRET_GSM_USER, SECRET_GSM_PASS);
 #elif defined(BOARD_HAS_NB)
@@ -48,9 +74,9 @@ CellularConnectionHandler conMan(SECRET_PIN, SECRET_APN, SECRET_GSM_USER, SECRET
 #endif
 
 void setup() {
+  /* Initialize serial and wait up to 5 seconds for port to open */
   Serial.begin(9600);
-  /* Give a few seconds for the Serial connection to be available */
-  delay(4000);
+  for(unsigned long const serialBeginTime = millis(); !Serial && (millis() - serialBeginTime <= 5000); ) { }
 #ifndef __AVR__
   setDebugMessageLevel(DBG_INFO);
 #endif

Diff for: examples/ConnectionHandlerDemo/arduino_secrets.h

@@ -1,6 +1,6 @@
 // Required for WiFiConnectionHandler
-const char SECRET_SSID[] = "NETWORK NAME";
-const char SECRET_PASS[] = "NETWORK PASSWORD";
+const char SECRET_WIFI_SSID[] = "NETWORK NAME";
+const char SECRET_WIFI_PASS[] = "NETWORK PASSWORD";
 
 // Required for GSMConnectionHandler
 const char SECRET_APN[] 		= "MOBILE PROVIDER APN ADDRESS";

Diff for: library.properties

@@ -2,9 +2,9 @@ name=Arduino_ConnectionHandler
 version=0.9.0
 author=Ubi de Feo, Cristian Maglie, Andrea Catozzi, Alexander Entinger et al.
 maintainer=Arduino <[email protected]>
-sentence=Arduino Library for network connection management (WiFi, GSM, NB, [Ethernet])
+sentence=Arduino Library for network connection management (WiFi, GSM, NB, [Ethernet], Notecard)
 paragraph=Originally part of ArduinoIoTCloud
 category=Communication
 url=https://github.com/arduino-libraries/Arduino_ConnectionHandler
-architectures=samd,esp32,esp8266,mbed,megaavr,mbed_nano,mbed_portenta,mbed_nicla,mbed_opta,mbed_giga,renesas_portenta,renesas_uno,mbed_edge
-depends=Arduino_DebugUtils, WiFi101, WiFiNINA, MKRGSM, MKRNB, MKRWAN
+architectures=samd,esp32,esp8266,mbed,megaavr,mbed_nano,mbed_portenta,mbed_nicla,mbed_opta,mbed_giga,renesas_portenta,renesas_uno,mbed_edge,stm32
+depends=Arduino_DebugUtils, WiFi101, WiFiNINA, MKRGSM, MKRNB, MKRWAN, Blues Wireless Notecard (>=1.6.0)

Diff for: src/Arduino_ConnectionHandler.h

@@ -22,12 +22,20 @@
    INCLUDES
  ******************************************************************************/
 
+#if defined __has_include
+  #if __has_include (<Notecard.h>)
+    #define USE_NOTECARD
+  #endif
+#endif
+
 #if !defined(__AVR__)
 #  include <Arduino_DebugUtils.h>
 #endif
 
 #include <Arduino.h>
 
+#ifndef USE_NOTECARD
+
 #ifdef ARDUINO_SAMD_MKR1000
   #include <WiFi101.h>
   #include <WiFiUdp.h>
@@ -179,6 +187,8 @@
   #define NETWORK_HARDWARE_ERROR
 #endif
 
+#endif // USE_NOTECARD
+
 /******************************************************************************
    TYPEDEFS
  ******************************************************************************/
@@ -206,7 +216,8 @@ enum class NetworkAdapter {
   GSM,
   LORA,
   CATM1,
-  CELL
+  CELL,
+  NOTECARD
 };
 
 typedef void (*OnNetworkEventCallback)();
@@ -239,11 +250,13 @@ class ConnectionHandler {
 
     ConnectionHandler(bool const keep_alive, NetworkAdapter interface);
 
-
     NetworkConnectionState check();
 
     #if !defined(BOARD_HAS_LORA)
       virtual unsigned long getTime() = 0;
+    #endif
+
+    #if !defined(BOARD_HAS_LORA) && !defined(USE_NOTECARD)
       virtual Client &getClient() = 0;
       virtual UDP &getUDP() = 0;
     #else
@@ -279,16 +292,19 @@ class ConnectionHandler {
     virtual NetworkConnectionState update_handleDisconnecting() = 0;
     virtual NetworkConnectionState update_handleDisconnected () = 0;
 
-
   private:
 
     unsigned long _lastConnectionTickTime;
     NetworkConnectionState _current_net_connection_state;
-    OnNetworkEventCallback  _on_connect_event_callback = NULL,
-                            _on_disconnect_event_callback = NULL,
-                            _on_error_event_callback = NULL;
+    OnNetworkEventCallback _on_connect_event_callback = NULL,
+                           _on_disconnect_event_callback = NULL,
+                           _on_error_event_callback = NULL;
 };
 
+#if defined(USE_NOTECARD)
+  #include "Arduino_NotecardConnectionHandler.h"
+#endif
+
 #if defined(BOARD_HAS_WIFI)
   #include "Arduino_WiFiConnectionHandler.h"
 #elif defined(BOARD_HAS_GSM)