void EventInit(void)
{
/* Switch interrupt soource to PB. PA no need change - it default */
SYSCFG->EXTICR[0] = SYSCFG_EXTICR1_EXTI1_PB; // PB1
// SYSCFG->EXTICR[1] |= SYSCFG_EXTICR2_EXTI6_PB|SYSCFG_EXTICR2_EXTI7_PB;
// SYSCFG->EXTICR[2] |= SYSCFG_EXTICR3_EXTI8_PB;
NVIC_EnableIRQ(TIM_IRQ(TIMER_NUM,_IRQn)); /* Timer IRQ */
/* External input IRQ */
// NVIC_EnableIRQ(EXTI15_10_IRQn);
// NVIC_SetPriority(EXTI15_10_IRQn, 14); /* Low priority */
NVIC_EnableIRQ(EXTI0_1_IRQn);
NVIC_SetPriority(EXTI0_1_IRQn, 14); /* Low priority */
NVIC_EnableIRQ(EXTI4_15_IRQn);
NVIC_SetPriority(EXTI4_15_IRQn, 14); /* Low priority */
// NVIC_EnableIRQ(EXTI0_IRQn);
// NVIC_SetPriority(EXTI0_IRQn, 14); /* Low priority */
// NVIC_EnableIRQ(EXTI1_IRQn);
// NVIC_SetPriority(EXTI1_IRQn, 14); /* Low priority */
// NVIC_EnableIRQ(EXTI2_IRQn);
// NVIC_SetPriority(EXTI2_IRQn, 14); /* Low priority */
/* Check interval */
TIM_EVENT->DIER |= TIM_DIER_UIE; /* enable update IRQ */
TIM_EVENT->PSC = MAIN_F/1000000 - 1; /* 1 MHz after prescaler*/
TIM_EVENT->ARR = 5000-1; /* 1MHz / 5000 = 200Hz - 5mSec */
// TIM_EVENT->CR1 |= TIM_CR1_CEN; /* It should not be started */
EXTI->IMR |= KEY_MASK_SYS; /* Ext interrupt mask */
EXTI->FTSR |= KEY_MASK_SYS; /* failing trigger */
EXTI->PR |= KEY_MASK_SYS; /* Clear pending register */
}
void _timFree_timer(uint8_t tm) {
rcc_disable_tim(tm);
vhalIrqDisable(TIM_IRQ(tm));
if (TIM(tm) == TIM1) {
vhalIrqDisable(TIM1_CC_IRQn);
} /*else if (TIM(tm)==TIM8){
vhalIrqDisable(TIM8_CC_IRQn);
}*/
TIMER_SET_STATUS(tm, TIM_STATUS_USABLE);
}
