3 files changed, 11 insertions, 11 deletions
diff --git a/examples/device/midi_test_freertos/src/main.c b/examples/device/midi_test_freertos/src/main.c
index 9dd66c526..f5267214e 100644
--- a/examples/device/midi_test_freertos/src/main.c
+++ b/examples/device/midi_test_freertos/src/main.c
@@ -48,7 +48,7 @@
 #endif
 
 #define BLINKY_STACK_SIZE   configMINIMAL_STACK_SIZE
-#define MIDI_STACK_SIZE     configMINIMAL_STACK_SIZE
+#define MIDI_STACK_SIZE     (configMINIMAL_STACK_SIZE * (CFG_TUSB_DEBUG ? 2 : 1))
 
 // static task
 #if configSUPPORT_STATIC_ALLOCATION
diff --git a/examples/device/midi_test_freertos/src/tusb_config.h b/examples/device/midi_test_freertos/src/tusb_config.h
index 0ffdc37fb..c158f5197 100644
--- a/examples/device/midi_test_freertos/src/tusb_config.h
+++ b/examples/device/midi_test_freertos/src/tusb_config.h
@@ -23,8 +23,8 @@
  *
  */
 
-#ifndef _TUSB_CONFIG_H_
-#define _TUSB_CONFIG_H_
+#ifndef TUSB_CONFIG_H_
+#define TUSB_CONFIG_H_
 
 #ifdef __cplusplus
  extern "C" {
@@ -105,4 +105,4 @@
  }
 #endif
 
-#endif /* _TUSB_CONFIG_H_ */
+#endif /* TUSB_CONFIG_H_ */
diff --git a/examples/device/midi_test_freertos/src/usb_descriptors.c b/examples/device/midi_test_freertos/src/usb_descriptors.c
index 384742ae8..e969f33a3 100644
--- a/examples/device/midi_test_freertos/src/usb_descriptors.c
+++ b/examples/device/midi_test_freertos/src/usb_descriptors.c
@@ -32,14 +32,14 @@
  * Auto ProductID layout's Bitmap:
  *   [MSB]         HID | MSC | CDC          [LSB]
  */
-#define _PID_MAP(itf, n)  ( (CFG_TUD_##itf) << (n) )
-#define USB_PID           (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \
-                           _PID_MAP(MIDI, 3) | _PID_MAP(VENDOR, 4) )
+#define PID_MAP(itf, n)  ((CFG_TUD_##itf) ? (1 << (n)) : 0)
+#define USB_PID           (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \
+                           PID_MAP(MIDI, 3) | PID_MAP(VENDOR, 4) )
 
 //--------------------------------------------------------------------+
 // Device Descriptors
 //--------------------------------------------------------------------+
-tusb_desc_device_t const desc_device = {
+static tusb_desc_device_t const desc_device = {
     .bLength            = sizeof(tusb_desc_device_t),
     .bDescriptorType    = TUSB_DESC_DEVICE,
     .bcdUSB             = 0x0200,
@@ -98,7 +98,7 @@ enum {
   #define EPNUM_MIDI_IN   0x81
 #endif
 
-uint8_t const desc_fs_configuration[] = {
+static uint8_t const desc_fs_configuration[] = {
   // Config number, interface count, string index, total length, attribute, power in mA
   TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
 
@@ -107,7 +107,7 @@ uint8_t const desc_fs_configuration[] = {
 };
 
 #if TUD_OPT_HIGH_SPEED
-uint8_t const desc_hs_configuration[] = {
+static uint8_t const desc_hs_configuration[] = {
   // Config number, interface count, string index, total length, attribute, power in mA
   TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
 
@@ -143,7 +143,7 @@ enum {
 };
 
 // array of pointer to string descriptors
-char const *string_desc_arr[] = {
+static char const *string_desc_arr[] = {
   (const char[]) { 0x09, 0x04 }, // 0: is supported language is English (0x0409)
   "TinyUSB",                     // 1: Manufacturer
   "TinyUSB Device",              // 2: Product