3 files changed, 22 insertions, 1 deletions
diff --git a/src/device/dcd.h b/src/device/dcd.h
index dbdc19dd3..f4e6edb95 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -106,6 +106,12 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num);
 // Wake up host
 void dcd_remote_wakeup(uint8_t rhport);
 
+// Connect or disconnect D+/D- line pull-up resistor.
+// Defined in dcd source if MCU has internal pull-up.
+// Otherwise, may be defined in BSP.
+void dcd_connect(uint8_t rhport) TU_ATTR_WEAK;
+void dcd_disconnect(uint8_t rhport) TU_ATTR_WEAK;
+
 //--------------------------------------------------------------------+
 // Endpoint API
 //--------------------------------------------------------------------+
diff --git a/src/device/usbd.c b/src/device/usbd.c
index ddd99d7f1..2adac429c 100644
--- a/src/device/usbd.c
+++ b/src/device/usbd.c
@@ -332,6 +332,7 @@ bool tud_init (void)
 
   // Init device controller driver
   dcd_init(TUD_OPT_RHPORT);
+  tud_connect();
   dcd_int_enable(TUD_OPT_RHPORT);
 
   return true;
@@ -421,7 +422,7 @@ void tud_task (void)
         uint8_t const epnum   = tu_edpt_number(ep_addr);
         uint8_t const ep_dir  = tu_edpt_dir(ep_addr);
 
-        TU_LOG2("  Endpoint: 0x%02X, Bytes: %ld\r\n", ep_addr, event.xfer_complete.len);
+        TU_LOG2("  Endpoint: 0x%02X, Bytes: %u\r\n", ep_addr, (unsigned int) event.xfer_complete.len);
 
         _usbd_dev.ep_status[epnum][ep_dir].busy = false;
 
diff --git a/src/device/usbd.h b/src/device/usbd.h
index 2bb9821ed..6b31d8113 100644
--- a/src/device/usbd.h
+++ b/src/device/usbd.h
@@ -65,6 +65,20 @@ static inline bool tud_ready(void)
 // Remote wake up host, only if suspended and enabled by host
 bool tud_remote_wakeup(void);
 
+static inline bool tud_disconnect(void)
+{
+  TU_VERIFY(dcd_disconnect);
+  dcd_disconnect(TUD_OPT_RHPORT);
+  return true;
+}
+
+static inline bool tud_connect(void)
+{
+  TU_VERIFY(dcd_connect);
+  dcd_connect(TUD_OPT_RHPORT);
+  return true;
+}
+
 // Carry out Data and Status stage of control transfer
 // - If len = 0, it is equivalent to sending status only
 // - If len > wLength : it will be truncated