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-rw-r--r--os/hal/ports/KINETIS/MK66F18/hal_lld.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/os/hal/ports/KINETIS/MK66F18/hal_lld.h b/os/hal/ports/KINETIS/MK66F18/hal_lld.h
index 832955e..4faf575 100644
--- a/os/hal/ports/KINETIS/MK66F18/hal_lld.h
+++ b/os/hal/ports/KINETIS/MK66F18/hal_lld.h
@@ -128,6 +128,9 @@
#if !defined(KINETIS_CLKDIV1_OUTDIV3) || defined(__DOXYGEN__)
#if defined(KINETIS_FLEXBUSCLK_FREQUENCY) && KINETIS_FLEXBUSCLK_FREQUENCY > 0
#define KINETIS_CLKDIV1_OUTDIV3 (KINETIS_PLLCLK_FREQUENCY/KINETIS_FLEXBUSCLK_FREQUENCY)
+ #else
+ /* If no FlexBus frequency provided, use bus speed divider */
+ #define KINETIS_CLKDIV1_OUTDIV3 KINETIS_CLKDIV1_OUTDIV2
#endif
#endif