correct cdc connected

tinyusb/class/cdc/cdc_device.c

@@ -88,9 +88,8 @@ STATIC_VAR cdcd_data_t cdcd_data[CONTROLLER_DEVICE_NUMBER];
 //--------------------------------------------------------------------+
 bool tud_n_cdc_connected(uint8_t rhport)
 {
-  // Either RTS  (bit 1) or DTR (bit 0) active considered as connected
-  // May only check for DTR only
-  return (cdcd_data[rhport].line_state != 0);
+  // DTR (bit 0) active  isconsidered as connected
+  return BIT_TEST_(cdcd_data[rhport].line_state, 0);
 }
 
 uint8_t tud_n_cdc_get_line_state (uint8_t rhport)

tinyusb/portable/nordic/nrf5x/hal_nrf5x.c

@@ -57,6 +57,9 @@
 /*------------------------------------------------------------------*/
 /* MACRO TYPEDEF CONSTANT ENUM
  *------------------------------------------------------------------*/
+
+#define USB_NVIC_PRIO   7
+
 // TODO must cover SD present but not enabled
 #ifdef SOFTDEVICE_PRESENT
 #define POWER_DETECT    NRF_EVT_POWER_USB_DETECTED
@@ -301,7 +304,7 @@ void power_usb_event_handler(uint32_t event)
       // nrf_drv_usbd_errata_104()
 
       // Enable interrupt, Priorities 0,1,4,5 (nRF52) are reserved for SoftDevice
-      NVIC_SetPriority(USBD_IRQn, 7);
+      NVIC_SetPriority(USBD_IRQn, USB_NVIC_PRIO);
       NVIC_ClearPendingIRQ(USBD_IRQn);
       NVIC_EnableIRQ(USBD_IRQn);