disable usb msc for feather nrf52840 for now

Author: hathach

cores/nRF5/usb/tusb_config.h

@@ -85,7 +85,14 @@
 
 //------------- CLASS -------------//
 #define CFG_TUD_CDC                 1
+
+// disable msc for feather nrf52840 for now until have a more stable QSPI driver
+#ifdef ARDUINO_NRF52840_FEATHER
+#define CFG_TUD_MSC                 0
+#else
 #define CFG_TUD_MSC                 1
+#endif
+
 
 #define CFG_TUD_HID                 0
 #define CFG_TUD_HID_KEYBOARD        0

variants/feather_nrf52840_express/variant.cpp

@@ -72,6 +72,7 @@ const uint32_t g_ADigitalPinMap[] =
   48, 49, 50, 51, 52, 53, 54, 55,
   56, 57, 58, 59, 60, 61, 62, 63
 };
+
 void initVariant()
 {
   // LED1 & LED2
@@ -81,8 +82,11 @@ void initVariant()
   pinMode(PIN_LED2, OUTPUT);
   ledOff(PIN_LED2);
 
+#if 0 // disable QSPI flash for now
   // Init External Flash
   flash_qspi_init();
+#endif
+
 
   // USB init
   usb_init();