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SummerSchool2-Controller/306-controller_interface.X/board/button/button.c

137 lines
3.4 KiB
C

/**
* @author Rémi Heredero (remi@heredero.ch)
* @version. 1.0.0
* @date 2023-06-15
*/
#include "button.h"
#include "../../mcc_generated_files/pin_manager.h"
#include "../../app/factory/factory.h"
/**
* @brief Initialize the button
*
* @param me The object to initialize
* @param id The id of the button
*/
void BUTTON_init(BUTTON* me, uint8_t id) {
me->id = id;
me->state = ST_PBINIT;
me->press.fCallBack = NULL;
me->release.fCallBack = NULL;
}
/**
* @brief Initialize the hardware of the button
*
* @param me The object to initialize
*/
void BUTTON_initHW(BUTTON* me) {
switch (me->id) {
case 1:
INPUT1_SetDigitalInput();
break;
case 2:
INPUT2_SetDigitalInput();
break;
case 3:
INPUT3_SetDigitalInput();
break;
default:
break;
}
}
/**
* @brief Check if the button is pressed
* The function returns true if the button is pressed, false otherwise
*
* @param me The object to check
* @return true if the button is pressed
* @return false if the button is not pressed
*/
bool BUTTON_isPressed(BUTTON* me) {
switch (me->id) {
case 1:
return INPUT1_GetValue();
break;
case 2:
return INPUT2_GetValue();
break;
case 3:
return INPUT3_GetValue();
break;
default:
return false;
break;
}
}
void BUTTON_startBehaviour(BUTTON* me) {
POST(me, &BUTTON_processEvent, evPBInit, 0, 0);
}
bool BUTTON_processEvent(Event * ev) {
bool processed = false;
BUTTON* me = (BUTTON*)Event_getTarget(ev);
BUTTON_STATES oldState = me->state;
evIDT evid = Event_getId(ev);
switch(me->state){
case ST_PBINIT:
if (evid == evPBInit) {
POST(me, &BUTTON_processEvent, evPBPoll, 0, 0);
if(BUTTON_isPressed(me)) {
me->state = ST_PBPRESSED;
} else {
me->state = ST_PBRELEASED;
}
}
break;
case ST_PBRELEASED:
if(evid == evPBPoll) {
POST(me, &BUTTON_processEvent, evPBPoll, PB_POLL_TIME, 0);
if(BUTTON_isPressed(me)) {
me->state = ST_PBPRESSED;
}
}
break;
case ST_PBPRESSED:
if(evid == evPBPoll) {
POST(me, &BUTTON_processEvent, evPBPoll, PB_POLL_TIME, 0);
if(!BUTTON_isPressed(me)){
me->state = ST_PBRELEASED;
}
}
break;
}
if(oldState != me->state) {
switch(me->state){
case ST_PBINIT:
break;
case ST_PBRELEASED:
if(me->release.fCallBack != NULL) me->release.fCallBack(me->release.param);
break;
case ST_PBPRESSED:
if(me->press.fCallBack != NULL) me->press.fCallBack(me->press.param);
break;
}
processed = true;
}
return processed;
}
void BUTTON_setEventFunctions(BUTTON* me, buttonCallBack fPress, buttonCallBack fRelease) {
me->press = fPress;
me->release = fRelease;
}
buttonCallBack BUTTON_defineCallBack(fButtonCallback f, void* param){
buttonCallBack c;
c.fCallBack = f;
c.param = param;
return c;
}