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/* Autor: Ján Suèan <jan@jansucan.sk>
*
* Zdrojove kody, ich casti a subory z nich vzniknute priamo alebo nepriamo
* (objektove subory, Intel Hex, ...) prosim nepouzivajte komercne, ani ako
* sucast komercnych diel. Vsetky ostatne pripady pouzitia su dovolene.
*
* Please don't use the source codes, their parts and files created from them
* directly or indirectly, (object files, Intel Hex files, ...) for commercial
* purposes, not even as a part of commercial products. All other use cases
* are allowed.
*/
#include <fan_controller/hw/button.h>
#include <fan_controller/hw/io.h>
#include <fan_controller/delay.h>
/**
* @brief Zisti, ci je tlacitko stlacene.
*
* @retval true Tlacitko je stlacene.
* @retval false Tlacitko nie je stlacene.
*/
bool
button_is_pressed(void)
{
bool a, b;
a = io_is_button_pressed();
// Minimalna hodnota pre cakanie funkciou delay_ms() je 16 ms.
delay_ms(20);
b = io_is_button_pressed();
// Stavy oboch vzoriek sa musia rovnat
// a musia byt rovne stlacenemu tlacitku.
// Ak by sa nerovnali, islo by o zakmit.
return (!a == !b) && !a && !b;
}
/**
* @brief Zisti, ci je tlacitko pustene (nestlacene).
*
* @retval true Tlacitko je pustene.
* @retval false Tlacitko nie je pustene.
*/
bool
button_is_released(void)
{
return !button_is_pressed();
}
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