added airlifty support, needs new fw build

debug is on

Author: ladyada

src/local/BLELocalDevice.cpp

@@ -41,11 +41,13 @@ BLELocalDevice::~BLELocalDevice()
 
 int BLELocalDevice::begin()
 {
-#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_SAMD_NANO_33_IOT)
+#if defined(ARDUINO_SAMD_MKRWIFI1010) || defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   // reset the NINA in BLE mode
   pinMode(SPIWIFI_SS, OUTPUT);
   pinMode(NINA_RESETN, OUTPUT);
-  
+  pinMode(NINA_GPIO0, OUTPUT);
+  digitalWrite(NINA_GPIO0, HIGH);
+
   digitalWrite(SPIWIFI_SS, LOW);
 #endif
 
@@ -54,7 +56,7 @@ int BLELocalDevice::begin()
   delay(100);
   digitalWrite(NINA_RESETN, LOW);
   delay(750);
-#elif defined(ARDUINO_SAMD_NANO_33_IOT)
+#elif defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   // inverted reset
   digitalWrite(NINA_RESETN, LOW);
   delay(100);
@@ -67,7 +69,7 @@ int BLELocalDevice::begin()
 #endif
 
 
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   // set SS HIGH
   digitalWrite(SPIWIFI_SS, HIGH);
 
@@ -84,6 +86,7 @@ int BLELocalDevice::begin()
     return 0;
   }
 
+  HCI.debug(Serial);
   delay(100);
 
   if (HCI.reset() != 0) {
@@ -130,7 +133,7 @@ void BLELocalDevice::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)
+#elif defined(ARDUINO_SAMD_NANO_33_IOT) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   // disable the NINA
   digitalWrite(NINA_RESETN, LOW);
 #elif defined(ARDUINO_PORTENTA_H7_M4) || defined(ARDUINO_PORTENTA_H7_M7)

src/utility/HCI.cpp

@@ -102,7 +102,7 @@ void HCIClass::poll()
 
 void HCIClass::poll(unsigned long timeout)
 {
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   digitalWrite(NINA_RTS, LOW);
 #endif
 
@@ -120,15 +120,15 @@ void HCIClass::poll(unsigned long timeout)
         if (_debug) {
           dumpPkt("HCI ACLDATA RX <- ", _recvIndex, _recvBuffer);
         }
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
         digitalWrite(NINA_RTS, HIGH);
 #endif
         int pktLen = _recvIndex - 1;
         _recvIndex = 0;
 
         handleAclDataPkt(pktLen, &_recvBuffer[1]);
 
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
         digitalWrite(NINA_RTS, LOW);  
 #endif
       }
@@ -137,7 +137,7 @@ void HCIClass::poll(unsigned long timeout)
         if (_debug) {
           dumpPkt("HCI EVENT RX <- ", _recvIndex, _recvBuffer);
         }
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
         digitalWrite(NINA_RTS, HIGH);
 #endif
         // received full event
@@ -146,7 +146,7 @@ void HCIClass::poll(unsigned long timeout)
 
         handleEventPkt(pktLen, &_recvBuffer[1]);
 
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
         digitalWrite(NINA_RTS, LOW);
 #endif
       }
@@ -159,7 +159,7 @@ void HCIClass::poll(unsigned long timeout)
     }
   }
 
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   digitalWrite(NINA_RTS, HIGH);
 #endif
 }

src/utility/HCIUartTransport.cpp

@@ -29,8 +29,11 @@
 // SerialHCI is already defined in the variant
 #elif defined(ARDUINO_PORTENTA_H7_M7)
 #define SerialHCI Serial2
+#elif defined(ADAFRUIT_METRO_M4_AIRLIFT_LITE)
+#define SerialHCI SerialESP32
 #else
-#error "Unsupported board selected!"
+#define SerialHCI Serial1
+#warning "Unsupported board selected! Using Serial1"
 #endif
 
 HCIUartTransportClass::HCIUartTransportClass(HardwareSerial& uart, unsigned long baudrate) :
@@ -81,7 +84,7 @@ int HCIUartTransportClass::read()
 
 size_t HCIUartTransportClass::write(const uint8_t* data, size_t length)
 {
-#ifdef ARDUINO_AVR_UNO_WIFI_REV2
+#if defined(ARDUINO_AVR_UNO_WIFI_REV2) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
   // wait while the CTS pin is low
   while (digitalRead(NINA_CTS) == HIGH);
 #endif
@@ -95,6 +98,8 @@ size_t HCIUartTransportClass::write(const uint8_t* data, size_t length)
 
 #ifdef ARDUINO_AVR_UNO_WIFI_REV2
 HCIUartTransportClass HCIUartTransport(SerialHCI, 119600);
+#elif defined(ADAFRUIT_ITSYBITSY_M4_EXPRESS) || defined(ARDUINO_METRO_M4_AIRLIFT_LITE)
+HCIUartTransportClass HCIUartTransport(SerialHCI, 115200);
 #else
 HCIUartTransportClass HCIUartTransport(SerialHCI, 912600);
 #endif