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-rw-r--r--tests/usbconfig.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/tests/usbconfig.h b/tests/usbconfig.h
index 0061ee4..e079e06 100644
--- a/tests/usbconfig.h
+++ b/tests/usbconfig.h
@@ -22,7 +22,11 @@ features. Don't use it as a prototype, use usbconfig-prototype.h instead!
#define USB_CFG_DMINUS_BIT 4
#define USB_CFG_DPLUS_BIT 2
#define USB_CFG_CLOCK_KHZ (F_CPU/1000)
-#define USB_CFG_CHECK_CRC (USB_CFG_CLOCK_KHZ == 18000)
+#ifdef USE_CRC
+# define USB_CFG_CHECK_CRC 1
+#else
+# define USB_CFG_CHECK_CRC 0
+#endif
/* ----------------------- Optional Hardware Config ------------------------ */