added Suspend and Resume event for nrf5x port

also rename DCD_EVENT_SUSPENDED to DCD_EVENT_SUSPEND

src/class/hid/hid_device.c

@@ -265,6 +265,7 @@ void hidd_init(void)
 
 void hidd_reset(uint8_t rhport)
 {
+  (void) rhport;
   tu_memclr(_hidd_itf, sizeof(_hidd_itf));
 
   #if CFG_TUD_HID_KEYBOARD
@@ -447,6 +448,7 @@ bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque
 // return false to stall control endpoint (e.g Host send non-sense DATA)
 bool hidd_control_request_complete(uint8_t rhport, tusb_control_request_t const * p_request)
 {
+  (void) rhport;
   hidd_interface_t* p_hid = get_interface_by_itfnum( (uint8_t) p_request->wIndex );
   TU_ASSERT(p_hid);
 
@@ -469,6 +471,11 @@ bool hidd_control_request_complete(uint8_t rhport, tusb_control_request_t const
 bool hidd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
 {
   // nothing to do
+  (void) rhport;
+  (void) ep_addr;
+  (void) event;
+  (void) xferred_bytes;
+
   return true;
 }
 

src/device/dcd.h

@@ -42,7 +42,7 @@ typedef enum
   DCD_EVENT_BUS_RESET = 1,
   DCD_EVENT_UNPLUGGED,
   DCD_EVENT_SOF,
-  DCD_EVENT_SUSPENDED,
+  DCD_EVENT_SUSPEND,
   DCD_EVENT_RESUME,
 
   DCD_EVENT_SETUP_RECEIVED,

src/device/usbd.c

@@ -40,7 +40,7 @@
 // Device Data
 //--------------------------------------------------------------------+
 typedef struct {
-  volatile uint8_t config_num;
+  volatile uint8_t config_num; // 0 is non-configure ~ disconnect
 
   uint8_t itf2drv[16];      // map interface number to driver (0xff is invalid)
   uint8_t ep2drv[8][2];     // map endpoint to driver ( 0xff is invalid )
@@ -555,7 +555,7 @@ void dcd_event_handler(dcd_event_t const * event, bool in_isr)
       // nothing to do now
     break;
 
-    case DCD_EVENT_SUSPENDED:
+    case DCD_EVENT_SUSPEND:
       // TODO support suspended
     break;
 

src/portable/nordic/nrf5x/dcd_nrf5x.c

@@ -207,6 +207,13 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num)
   (void) rhport;
   (void) config_num;
   // Nothing to do
+
+  // Clear current pending 
+  NRF_USBD->EVENTCAUSE |= NRF_USBD->EVENTCAUSE;
+  NRF_USBD->EVENTS_USBEVENT = 0;
+
+  // Enable usb event for suspend and resume
+  NRF_USBD->INTENSET = USBD_INTEN_USBEVENT_Msk;
 }
 
 //--------------------------------------------------------------------+
@@ -358,13 +365,34 @@ void USBD_IRQHandler(void)
     }
   }
 
-  /*------------- Interrupt Processing -------------*/
   if ( int_status & USBD_INTEN_USBRESET_Msk )
   {
     bus_reset();
     dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true);
   }
 
+  if ( int_status & USBD_INTEN_SOF_Msk )
+  {
+    dcd_event_bus_signal(0, DCD_EVENT_SOF, true);
+  }
+
+  if ( int_status & USBD_INTEN_USBEVENT_Msk )
+  {
+    uint32_t const evt_cause = NRF_USBD->EVENTCAUSE;
+
+    if ( evt_cause & USBD_EVENTCAUSE_SUSPEND_Msk ) 
+    {
+      dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true);
+    }
+    
+    if ( evt_cause & USBD_EVENTCAUSE_RESUME_Msk  ) 
+    {
+      dcd_event_bus_signal(0, DCD_EVENT_RESUME , true);
+    }
+
+    NRF_USBD->EVENTCAUSE = evt_cause; // clear interrupt
+  }
+
   if ( int_status & EDPT_END_ALL_MASK )
   {
     // DMA complete move data from SRAM -> Endpoint
@@ -502,12 +530,6 @@ void USBD_IRQHandler(void)
       }
     }
   }
-
-  // SOF interrupt
-  if ( int_status & USBD_INTEN_SOF_Msk )
-  {
-    dcd_event_bus_signal(0, DCD_EVENT_SOF, true);
-  }
 }
 
 #endif

src/portable/nordic/nrf5x/hal_nrf5x.c

@@ -212,8 +212,8 @@ void tusb_hal_nrf_power_event (uint32_t event)
 
       nrf_usbd_isosplit_set(USBD_ISOSPLIT_SPLIT_HalfIN);
 
-      // Enable interrupt. SOF is used as CDC auto flush
-      NRF_USBD->INTENSET = USBD_INTEN_USBRESET_Msk | USBD_INTEN_USBEVENT_Msk | USBD_INTEN_EPDATA_Msk |
+      // Enable interrupt
+      NRF_USBD->INTENSET = USBD_INTEN_USBRESET_Msk | USBD_INTEN_EPDATA_Msk |
           USBD_INTEN_EP0SETUP_Msk | USBD_INTEN_EP0DATADONE_Msk | USBD_INTEN_ENDEPIN0_Msk | USBD_INTEN_ENDEPOUT0_Msk;
 
       // Enable interrupt, priorities should be set by application

src/portable/nxp/lpc11_13_15/dcd_lpc11_13_15.c

@@ -339,7 +339,7 @@ void USB_IRQHandler(void)
         // Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration.
         if (dev_cmd_stat & CMDSTAT_DEVICE_ADDR_MASK)
         {
-          dcd_event_bus_signal(0, DCD_EVENT_SUSPENDED, true);
+          dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true);
         }
       }
     }

src/portable/nxp/lpc17_40/dcd_lpc17_40.c

@@ -481,7 +481,7 @@ static void bus_event_isr(uint8_t rhport)
   {
     if (dev_status & SIE_DEV_STATUS_SUSPEND_MASK)
     {
-      dcd_event_bus_signal(rhport, DCD_EVENT_SUSPENDED, true);
+      dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
     }
     else
     {

src/portable/nxp/lpc18_43/dcd_lpc18_43.c

@@ -303,7 +303,7 @@ void hal_dcd_isr(uint8_t rhport)
       // Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration.
       if ((lpc_usb->DEVICEADDR >> 25) & 0x0f)
       {
-        dcd_event_bus_signal(rhport, DCD_EVENT_SUSPENDED, true);
+        dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
       }
     }
   }