8 files changed, 28 insertions, 18 deletions
diff --git a/examples/device/cdc_dual_ports/src/main.c b/examples/device/cdc_dual_ports/src/main.c
index d6e38df85..198c4252b 100644
--- a/examples/device/cdc_dual_ports/src/main.c
+++ b/examples/device/cdc_dual_ports/src/main.c
@@ -83,6 +83,8 @@ static void cdc_task(void)
 
   for (itf = 0; itf < CFG_TUD_CDC; itf++)
   {
+    // connected() check for DTR bit
+    // Most but not all terminal client set this when making connection
     if ( tud_cdc_n_connected(itf) )
     {
       if ( tud_cdc_n_available(itf) )
diff --git a/examples/device/cdc_msc/src/main.c b/examples/device/cdc_msc/src/main.c
index a407e2ddd..a20a80fcd 100644
--- a/examples/device/cdc_msc/src/main.c
+++ b/examples/device/cdc_msc/src/main.c
@@ -105,7 +105,9 @@ void tud_resume_cb(void)
 //--------------------------------------------------------------------+
 void cdc_task(void)
 {
-  if ( tud_cdc_connected() )
+  // connected() check for DTR bit
+  // Most but not all terminal client set this when making connection
+  // if ( tud_cdc_connected() )
   {
     // connected and there are data available
     if ( tud_cdc_available() )
@@ -131,12 +133,14 @@ void cdc_task(void)
 void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
 {
   (void) itf;
+  (void) rts;
 
   // connected
-  if ( dtr && rts )
+  if ( dtr )
   {
     // print initial message when connected
     tud_cdc_write_str("\r\nTinyUSB CDC MSC device example\r\n");
+    tud_cdc_write_flush();
   }
 }
 
diff --git a/examples/device/cdc_msc_freertos/.skip.MCU_MKL25ZXX b/examples/device/cdc_msc_freertos/.skip.MCU_MKL25ZXX
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/examples/device/cdc_msc_freertos/.skip.MCU_MKL25ZXX
diff --git a/examples/device/cdc_msc_freertos/src/main.c b/examples/device/cdc_msc_freertos/src/main.c
index 1371b84c3..e90c3f0d9 100644
--- a/examples/device/cdc_msc_freertos/src/main.c
+++ b/examples/device/cdc_msc_freertos/src/main.c
@@ -168,9 +168,11 @@ void cdc_task(void* params)
   // RTOS forever loop
   while ( 1 )
   {
-    if ( tud_cdc_connected() )
+    // connected() check for DTR bit
+    // Most but not all terminal client set this when making connection
+    // if ( tud_cdc_connected() )
     {
-      // connected and there are data available
+      // There are data available
       if ( tud_cdc_available() )
       {
         uint8_t buf[64];
@@ -198,12 +200,14 @@ void cdc_task(void* params)
 void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
 {
   (void) itf;
+  (void) rts;
 
   // connected
-  if ( dtr && rts )
+  if ( dtr )
   {
     // print initial message when connected
     tud_cdc_write_str("\r\nTinyUSB CDC MSC device with FreeRTOS example\r\n");
+    tud_cdc_write_flush();
   }
 }
 
diff --git a/examples/device/hid_composite_freertos/src/main.c b/examples/device/hid_composite_freertos/src/main.c
index de065ee64..83c68b515 100644
--- a/examples/device/hid_composite_freertos/src/main.c
+++ b/examples/device/hid_composite_freertos/src/main.c
@@ -58,7 +58,12 @@ StaticTimer_t blinky_tmdef;
 TimerHandle_t blinky_tm;
 
 // static task for usbd
-#define USBD_STACK_SIZE     (3*configMINIMAL_STACK_SIZE/2)
+#if CFG_TUSB_DEBUG
+  #define USBD_STACK_SIZE     (3*configMINIMAL_STACK_SIZE)
+#else
+  #define USBD_STACK_SIZE     (3*configMINIMAL_STACK_SIZE/2)
+#endif
+
 StackType_t  usb_device_stack[USBD_STACK_SIZE];
 StaticTask_t usb_device_taskdef;
 
diff --git a/examples/device/msc_dual_lun/.skip.MCU_MKL25ZXX b/examples/device/msc_dual_lun/.skip.MCU_MKL25ZXX
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/examples/device/msc_dual_lun/.skip.MCU_MKL25ZXX
diff --git a/examples/device/net_lwip_webserver/.skip.MCU_MKL25ZXX b/examples/device/net_lwip_webserver/.skip.MCU_MKL25ZXX
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/examples/device/net_lwip_webserver/.skip.MCU_MKL25ZXX
diff --git a/examples/device/webusb_serial/src/main.c b/examples/device/webusb_serial/src/main.c
index e1a098048..9309bbf6e 100644
--- a/examples/device/webusb_serial/src/main.c
+++ b/examples/device/webusb_serial/src/main.c
@@ -143,9 +143,14 @@ void tud_resume_cb(void)
 // WebUSB use vendor class
 //--------------------------------------------------------------------+
 
-// Invoked when received VENDOR control request
-bool tud_vendor_control_request_cb(uint8_t rhport, tusb_control_request_t const * request)
+// Invoked when a control transfer occurred on an interface of this class
+// Driver response accordingly to the request and the transfer stage (setup/data/ack)
+// return false to stall control endpoint (e.g unsupported request)
+bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request)
 {
+  // nothing to with DATA & ACK stage
+  if (stage != CONTROL_STAGE_SETUP ) return true;
+
   switch (request->bRequest)
   {
     case VENDOR_REQUEST_WEBUSB:
@@ -194,16 +199,6 @@ bool tud_vendor_control_request_cb(uint8_t rhport, tusb_control_request_t const
   return true;
 }
 
-// Invoked when DATA Stage of VENDOR's request is complete
-bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_request_t const * request)
-{
-  (void) rhport;
-  (void) request;
-
-  // nothing to do
-  return true;
-}
-
 void webserial_task(void)
 {
   if ( web_serial_connected )