clean up example

3 files changed, 5 insertions, 5 deletions

diff --git a/examples/obsolete/device/src/cdc_device_app.c b/examples/obsolete/device/src/cdc_device_app.c
index d65b695f8..1d77511c9 100644
--- a/examples/obsolete/device/src/cdc_device_app.c
+++ b/examples/obsolete/device/src/cdc_device_app.c
@@ -96,14 +96,14 @@ tusb_error_t cdc_serial_subtask(void)
 {
   OSAL_SUBTASK_BEGIN
 
-  if ( tud_mounted(0) && tud_cdc_available(0) )
+  if ( tud_mounted() && tud_cdc_available() )
   {
     uint8_t buf[64];
 
     // read and echo back
-    uint32_t count = tud_cdc_read(0, buf, sizeof(buf));
+    uint32_t count = tud_cdc_read(buf, sizeof(buf));
 
-    tud_cdc_write(0, buf, count);
+    tud_cdc_write(buf, count);
   }
 
   OSAL_SUBTASK_END
diff --git a/examples/obsolete/device/src/keyboard_device_app.c b/examples/obsolete/device/src/keyboard_device_app.c
index edd3cb388..e1001da96 100644
--- a/examples/obsolete/device/src/keyboard_device_app.c
+++ b/examples/obsolete/device/src/keyboard_device_app.c
@@ -128,7 +128,7 @@ tusb_error_t keyboard_device_subtask(void)
 
   osal_task_delay(50);
 
-  if ( tud_mounted(0) && !tud_hid_keyboard_busy(0) )
+  if ( tud_mounted() && !tud_hid_keyboard_busy(0) )
   {
     static uint32_t button_mask = 0;
     uint32_t new_button_mask = board_buttons();
diff --git a/examples/obsolete/device/src/mouse_device_app.c b/examples/obsolete/device/src/mouse_device_app.c
index 69c0f46e4..5212d10ce 100644
--- a/examples/obsolete/device/src/mouse_device_app.c
+++ b/examples/obsolete/device/src/mouse_device_app.c
@@ -114,7 +114,7 @@ void mouse_app_subtask(void)
 
   osal_task_delay(20);
 
-  if ( tud_mounted(0) &&  !tud_hid_mouse_is_busy(0) )
+  if ( tud_mounted() &&  !tud_hid_mouse_is_busy(0) )
   {
     static uint8_t prev_mouse_buttons = 0;