diff --git a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c index ee0090336c..6a802653a4 100644 --- a/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c +++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/us_ticker.c @@ -18,6 +18,8 @@ #include "fsl_ctimer.h" #include "PeripheralNames.h" +#if DEVICE_USTICKER + #if defined (__ARM_FEATURE_CMSE) && (__ARM_FEATURE_CMSE == 3U) #define CTIMER CTIMER0 #define CTIMER_IRQn CTIMER0_IRQn @@ -117,3 +119,6 @@ void us_ticker_free(void) NVIC_DisableIRQ(CTIMER_IRQn); us_ticker_inited = false; } + +#endif // DEVICE_USTICKER +