update teensy3 lib to latest, use new vector change mechanism

[megadrive.git] / teensy3 / usb_desc.h

diff --git a/teensy3/usb_desc.h b/teensy3/usb_desc.h
index 958ca36..c3cf15c 100644 (file)
--- a/teensy3/usb_desc.h
+++ b/teensy3/usb_desc.h
@@ -10,10 +10,10 @@
  * permit persons to whom the Software is furnished to do so, subject to
  * the following conditions:
  *
- * 1. The above copyright notice and this permission notice shall be 
+ * 1. The above copyright notice and this permission notice shall be
  * included in all copies or substantial portions of the Software.
  *
- * 2. If the Software is incorporated into a build system that allows 
+ * 2. If the Software is incorporated into a build system that allows
  * selection among a list of target devices, then similar target
  * devices manufactured by PJRC.COM must be included in the list of
  * target devices and selectable in the same manner.
@@ -31,6 +31,8 @@
 #ifndef _usb_desc_h_
 #define _usb_desc_h_
 
+#if F_CPU >= 20000000
+
 // This header is NOT meant to be included when compiling
 // user sketches in Arduino.  The low-level functions
 // provided by usb_dev.c are meant to be called only by
@@ -293,6 +295,7 @@ let me know?  http://forum.pjrc.com/forums/4-Suggestions-amp-Bug-Reports
 
 #endif
 
+#ifdef NUM_ENDPOINTS
 // NUM_ENDPOINTS = number of non-zero endpoints (0 to 15)
 extern const uint8_t usb_endpoint_config_table[NUM_ENDPOINTS];
 
@@ -304,6 +307,8 @@ typedef struct {
 } usb_descriptor_list_t;
 
 extern const usb_descriptor_list_t usb_descriptor_list[];
+#endif // NUM_ENDPOINTS
 
+#endif // F_CPU >= 20 MHz
 
 #endif