#define STM_TIM234_SMCR_SMS_EXTERNAL_CLOCK 7
#define STM_TIM234_SMCR_SMS_MASK 7
+#define STM_TIM234_DIER_TDE 14
+#define STM_TIM234_DIER_CC4DE 12
+#define STM_TIM234_DIER_CC3DE 11
+#define STM_TIM234_DIER_CC2DE 10
+#define STM_TIM234_DIER_CC1DE 9
+#define STM_TIM234_DIER_UDE 8
+
+#define STM_TIM234_DIER_TIE 6
#define STM_TIM234_DIER_CC4IE 4
#define STM_TIM234_DIER_CC3IE 3
#define STM_TIM234_DIER_CC2IE 2