bool Putz01HandleButtons (void) {
int i = 1;
static uint32_t tickEvent = EVENT_INTERVAL;
while (Buttons_GetState()) {
if (i) puts ("Putz01HandleButtons() Looping\r");
i = 0;
}
if (HAL_GetTick() > tickEvent) {
static bool onOff = false;
LED_SetOut(onOff ? 2 : 1);
onOff = !onOff;
tickEvent = HAL_GetTick() + EVENT_INTERVAL;
}
return true;
}
/**
\fn int32_t LED_Initialize (void)
\brief Initialize LEDs
\returns
- \b 0: function succeeded
- \b -1: function failed
*/
int32_t LED_Initialize (void) {
RCC->AHBENR |= (1UL << 19); /* Enable GPIOC clock */
/* Configure LED pins as push-pull outputs, No pull-up, pull-down */
GPIOC->MODER &= ~((3UL << 2*8) | (3UL << 2*9));
GPIOC->MODER |= ((1UL << 2*8) | (1UL << 2*9));
GPIOC->OTYPER &= ~((1UL << 8) | (1UL << 9));
GPIOC->OSPEEDR &= ~((3UL << 2*8) | (3UL << 2*9));
GPIOC->OSPEEDR |= ((1UL << 2*8) | (1UL << 2*9));
GPIOC->PUPDR &= ~((3UL << 2*8) | (3UL << 2*9));
LED_SetOut (0);
return (0);
}
