Offload BLE HCI transport to spi for Nina based devices

.github/workflows/compile-examples.yml

@@ -34,17 +34,20 @@ jobs:
           - fqbn: arduino:samd:mkrwifi1010
             platforms: |
               - name: arduino:samd
-            libraries: ""
+            libraries: |
+              - name: Arduino_SpiNINA
             artifact-name-suffix: arduino-samd-mkrwifi1010
           - fqbn: arduino:samd:nano_33_iot
             platforms: |
               - name: arduino:samd
-            libraries: ""
+            libraries: |
+              - name: Arduino_SpiNINA
             artifact-name-suffix: arduino-samd-nano_33_iot
           - fqbn: arduino:megaavr:uno2018:mode=on
             platforms: |
               - name: arduino:megaavr
-            libraries: ""
+            libraries: |
+              - name: Arduino_SpiNINA
             artifact-name-suffix: arduino-megaavr-uno2018
           - fqbn: arduino:mbed_nano:nano33ble
             platforms: |
@@ -54,7 +57,8 @@ jobs:
           - fqbn: arduino:mbed_nano:nanorp2040connect
             platforms: |
               - name: arduino:mbed_nano
-            libraries: ""
+            libraries: |
+              - name: Arduino_SpiNINA
             artifact-name-suffix: arduino-mbed_nano-nanorp2040connect
           - fqbn: arduino:mbed_portenta:envie_m7
             platforms: |
@@ -175,6 +179,8 @@ jobs:
         with:
           github-token: ${{ secrets.GITHUB_TOKEN }}
           fqbn: ${{ matrix.fqbn }}
+          libraries: |
+            ${{ matrix.libraries }}
           platforms: |
             - name: esp32:esp32
               source-url: https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json

examples/Central/LedControl/LedControl.ino

@@ -30,7 +30,11 @@ void setup() {
   pinMode(buttonPin, INPUT);
 
   // initialize the Bluetooth® Low Energy hardware
-  BLE.begin();
+  if (!BLE.begin()) {
+    Serial.println("starting Bluetooth® Low Energy module failed!");
+
+    while (1);
+  }
 
   Serial.println("Bluetooth® Low Energy Central - LED control");
 

examples/Peripheral/Advertising/EnhancedAdvertising/EnhancedAdvertising.ino

@@ -12,7 +12,8 @@ void setup() {
   while (!Serial);
 
   if (!BLE.begin()) {
-    Serial.println("failed to initialize BLE!");
+    Serial.println("starting Bluetooth® Low Energy module failed!");
+
     while (1);
   }
 

examples/Peripheral/Advertising/RawDataAdvertising/RawDataAdvertising.ino

@@ -11,7 +11,8 @@ void setup() {
   while (!Serial);
 
   if (!BLE.begin()) {
-    Serial.println("failed to initialize BLE!");
+    Serial.println("starting Bluetooth® Low Energy module failed!");
+
     while (1);
   }
 

examples/Peripheral/BatteryMonitor/BatteryMonitor.ino

@@ -35,7 +35,7 @@ void setup() {
 
   // begin initialization
   if (!BLE.begin()) {
-    Serial.println("starting BLE failed!");
+    Serial.println("starting Bluetooth® Low Energy module failed!");
 
     while (1);
   }

examples/Peripheral/EncryptedBatteryMonitor/EncryptedBatteryMonitor.ino

@@ -154,9 +154,9 @@ void setup() {
   while(1){
     // begin initialization
     if (!BLE.begin()) {
-      Serial.println("starting BLE failed!");
-      delay(200);
-      continue;
+      Serial.println("starting Bluetooth® Low Energy module failed!");
+
+      while (1);
     }
     Serial.println("BT init");
     delay(200);

library.properties

@@ -8,3 +8,4 @@ category=Communication
 url=https://www.arduino.cc/en/Reference/ArduinoBLE
 architectures=*
 includes=ArduinoBLE.h
+depends=Arduino_SpiNINA

src/local/BLELocalDevice.cpp

@@ -63,26 +63,7 @@ BLELocalDevice::~BLELocalDevice()
 
 int BLELocalDevice::begin()
 {
-#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_NANO_RP2040_CONNECT)
-  // reset the NINA in BLE mode
-  pinMode(SPIWIFI_SS, OUTPUT);
-  pinMode(NINA_RESETN, OUTPUT);
-
-  digitalWrite(SPIWIFI_SS, LOW);
-#endif
-
-#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
-  digitalWrite(NINA_RESETN, HIGH);
-  delay(100);
-  digitalWrite(NINA_RESETN, LOW);
-  delay(750);
-#elif defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_NANO_RP2040_CONNECT)
-  // inverted reset
-  digitalWrite(NINA_RESETN, LOW);
-  delay(100);
-  digitalWrite(NINA_RESETN, HIGH);
-  delay(750);
-#elif defined(PORTENTA_H7_PINS) || defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_GIGA) || defined(ARDUINO_OPTA)
+#if defined(PORTENTA_H7_PINS) || defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_GIGA) || defined(ARDUINO_OPTA)
   // BT_REG_ON -> HIGH
   pinMode(BT_REG_ON, OUTPUT);
   digitalWrite(BT_REG_ON, LOW);
@@ -125,7 +106,10 @@ int BLELocalDevice::begin()
 
   if (HCI.reset() != 0) {
     end();
-
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(TARGET_NANO_RP2040_CONNECT)
+    Serial.println("The initialization of the Bluetooth® Low Energy module failed.");
+    Serial.println("Please ensure your NINA firmware is version 3.0.0 or higher.");
+#endif
     return 0;
   }
 
@@ -187,10 +171,10 @@ int BLELocalDevice::begin()
   //     }
   //     Serial.println();
 
-  //     // save this 
+  //     // save this
   //     uint8_t zeros[16];
   //     for(int k=0; k<16; k++) zeros[15-k] = 0;
-      
+
   //     // HCI.leAddResolvingAddress((*BADDR_Type)[i],(*BADDRs)[i],(*IRKs)[i], zeros);
 
   //     delete[] (*BADDRs)[i];
@@ -202,7 +186,7 @@ int BLELocalDevice::begin()
   //   delete BADDRs;
   //   delete[] (*IRKs);
   //   delete IRKs;
-    
+
   //   memcheck = new uint8_t[1];
   //   Serial.print("nIRK location: 0x");
   //   Serial.println((int)memcheck,HEX);
@@ -221,15 +205,9 @@ void BLELocalDevice::end()
 
   HCI.end();
 
-#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_AVR_UNO_WIFI_REV2)
-  // disable the NINA
-  digitalWrite(NINA_RESETN, HIGH);
-#elif defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_NANO_RP2040_CONNECT)
-  // disable the NINA
-  digitalWrite(NINA_RESETN, LOW);
-#elif defined(ARDUINO_PORTENTA_H7_M4) || defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_GIGA) || defined(ARDUINO_OPTA)
+#if defined(ARDUINO_PORTENTA_H7_M4) || defined(ARDUINO_PORTENTA_H7_M7) || defined(ARDUINO_NICLA_VISION) || defined(ARDUINO_GIGA) || defined(ARDUINO_OPTA)
   digitalWrite(BT_REG_ON, LOW);
-#endif 
+#endif
   _advertisingData.clear();
   _scanResponseData.clear();
 }
@@ -315,7 +293,7 @@ bool BLELocalDevice::setManufacturerData(const uint16_t companyId, const uint8_t
 
 bool BLELocalDevice::setLocalName(const char *localName)
 {
-  return _scanResponseData.setLocalName(localName);  
+  return _scanResponseData.setLocalName(localName);
 }
 
 void BLELocalDevice::setAdvertisingData(BLEAdvertisingData& advertisingData)
@@ -360,7 +338,7 @@ int BLELocalDevice::advertise()
 {
   _advertisingData.updateData();
   _scanResponseData.updateData();
-  return GAP.advertise( _advertisingData.data(), _advertisingData.dataLength(), 
+  return GAP.advertise( _advertisingData.data(), _advertisingData.dataLength(),
                         _scanResponseData.data(), _scanResponseData.dataLength());
 }