TIM_DIER_CCxIE
dier |= TIM_DIER_CCxIE(event_node->channel + 1);
if (!(dier & TIM_DIER_CCxIE(i + 1))) {
#define TIM_DIER_CC1IE TIM_DIER_CCxIE(1) /* CC1 Interrupt Enable */
#define TIM_DIER_CC2IE TIM_DIER_CCxIE(2) /* CC2 Interrupt Enable */
#define TIM_DIER_CC3IE TIM_DIER_CCxIE(3) /* CC3 Interrupt Enable */
#define TIM_DIER_CC4IE TIM_DIER_CCxIE(4) /* CC4 Interrupt Enable */