add buttons callbacks
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29a6be78b3
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161
src/board/button.c
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161
src/board/button.c
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/**
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* @author Rémi Heredero
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* @version 1.0.0
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* @date July 2023
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* @file button.c
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*/
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#include "button.h"
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#include "../mcc_generated_files/pin_manager.h"
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#include "../app/factory.h"
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#include "led.h"
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void BUTTON_init(BUTTON* me, uint8_t id) {
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me->id = id;
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me->state = STPB_INIT;
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me->poll_time = 20;
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me->press.f = NULL;
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me->release.f = NULL;
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}
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void BUTTON_initHW(BUTTON* me) {
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switch (me->id) {
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case 1:
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INPUT1_SetDigitalInput();
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break;
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case 2:
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INPUT2_SetDigitalInput();
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break;
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case 3:
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INPUT3_SetDigitalInput();
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break;
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default:
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break;
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}
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}
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bool BUTTON_isPressed(BUTTON* me) {
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switch (me->id) {
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case 1:
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return INPUT1_GetValue();
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break;
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case 2:
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return INPUT2_GetValue();
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break;
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case 3:
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return INPUT3_GetValue();
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break;
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default:
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return false;
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break;
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}
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}
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void BUTTON_startBehaviour(BUTTON* me){
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POST(me, &BUTTON_processEvent, evPBinit, 0, 0);
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}
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bool BUTTON_processEvent(Event* ev) {
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bool processed = false;
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BUTTON* me = (BUTTON*)Event_getTarget(ev);
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BUTTON_STATES oldState = me->state;
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evIDT evid = Event_getId(ev);
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switch (me->state) { // onState
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case STPB_INIT:
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if (ev->id == evPBinit) {
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POST(me, &BUTTON_processEvent, evPBpoll, me->poll_time, 0);
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if(BUTTON_isPressed(me)){
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me->state = STPB_PRESSED;
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} else {
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me->state = STPB_RELEASED;
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}
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}
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break;
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case STPB_RELEASED:
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if (ev->id == evPBpoll) {
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POST(me, &BUTTON_processEvent, evPBpoll, me->poll_time, 0);
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if(BUTTON_isPressed(me)){
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me->state = STPB_PRESSED;
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}
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}
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break;
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case STPB_PRESSED:
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if (ev->id == evPBpoll) {
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POST(me, &BUTTON_processEvent, evPBpoll, me->poll_time, 0);
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if(!BUTTON_isPressed(me)){
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me->state = STPB_RELEASED;
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}
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}
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break;
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}
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if(oldState != me->state){
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switch (oldState) { // onExit
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case STPB_INIT:
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break;
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case STPB_RELEASED:
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break;
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case STPB_PRESSED:
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break;
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}
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switch (me->state) { // onEntry
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case STPB_INIT:
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break;
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case STPB_RELEASED:
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if (me->release.f != NULL) {
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me->release.f(me->release.p);
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}
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break;
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case STPB_PRESSED:
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if (me->press.f != NULL) {
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me->press.f(me->press.p);
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}
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break;
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}
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processed = true;
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}
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return processed;
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}
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/*************
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* Callbacks *
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*************/
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void BUTTON_onPress(BUTTON* me, BUTTON_CALLBACK_FUNCTION f, void* p){
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me->press.f = f;
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me->press.p = p;
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}
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void BUTTON_onRelease(BUTTON* me, BUTTON_CALLBACK_FUNCTION f, void* p){
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me->release.f = f;
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me->release.p = p;
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}
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/************
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* EMITTERS *
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************/
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void BUTTON_emitPoll(BUTTON* me, uint16_t t) {
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POST(me, &BUTTON_processEvent, evPBpoll, t, 0);
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}
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/***********
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* SETTERS *
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***********/
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void BUTTON_setId(BUTTON* me, uint8_t v) {
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me->id = v;
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}
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void BUTTON_setPoll_time(BUTTON* me, uint16_t v) {
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me->poll_time = v;
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}
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120
src/board/button.h
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120
src/board/button.h
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@ -0,0 +1,120 @@
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/**
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* @author Rémi Heredero
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* @version 1.0.0
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* @date July 2023
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* @file button.h
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*/
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#ifndef BUTTON_H
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#define BUTTON_H
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#include "../xf/xf.h"
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typedef enum {
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STPB_INIT,
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STPB_RELEASED,
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STPB_PRESSED
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} BUTTON_STATES;
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typedef enum {
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evPBinit = 50,
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evPBpoll
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} BUTTON_EVENTS;
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typedef void (*BUTTON_CALLBACK_FUNCTION)(void*);
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typedef struct {
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BUTTON_CALLBACK_FUNCTION f; // function
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void* p; // param(s)
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} BUTTON_CALLBACK;
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typedef struct {
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BUTTON_STATES state;
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uint8_t id;
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uint16_t poll_time;
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BUTTON_CALLBACK press;
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BUTTON_CALLBACK release;
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} BUTTON;
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/**
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* Initialize the BUTTON
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* @param me the BUTTON itself
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*/
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void BUTTON_init(BUTTON* me, uint8_t id);
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/**
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* Initialize the hardware of the BUTTON
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* @param me the BUTTON itself
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*/
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void BUTTON_initHW(BUTTON* me);
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/**
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* @brief Check if the button is pressed
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* The function returns true if the button is pressed, false otherwise
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*
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* @param me button itself
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* @return true if the button is pressed
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* @return false if the button is not pressed
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*/
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bool BUTTON_isPressed(BUTTON* me);
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/**
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* Start the BUTTON state machine
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* @param me the BUTTON itself
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*/
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void BUTTON_startBehaviour(BUTTON* me);
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/**
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* Process the event
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* @param ev the event to process
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* @return true if the event is processed
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*/
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bool BUTTON_processEvent(Event* ev);
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/*************
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* Callbacks *
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*************/
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/**
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* Set the callback function to call when the BUTTON is pressed
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* @param me the BUTTON itself
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* @param f the function to call
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* @param p the param(s) to pass to the function
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*/
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void BUTTON_onPress(BUTTON* me, BUTTON_CALLBACK_FUNCTION f, void* p);
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/**
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* Set the callback function to call when the BUTTON is released
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* @param me the BUTTON itself
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* @param f the function to call
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* @param p the param(s) to pass to the function
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*/
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void BUTTON_onRelease(BUTTON* me, BUTTON_CALLBACK_FUNCTION f, void* p);
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/************
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* EMITTERS *
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************/
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/**
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* Emit the poll event
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* @param me the BUTTON itself
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* @param t time to wait in ms before triggering event
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*/void BUTTON_emitPoll(BUTTON* me, uint16_t t);
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/***********
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* SETTERS *
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***********/
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/**
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* Set the id of the BUTTON
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* @param me the BUTTON itself
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* @param v the id to set
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*/
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void BUTTON_setId(BUTTON* me, uint8_t v);
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/**
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* Set the poll time of the BUTTON
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* @param me the BUTTON itself
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* @param v the poll time to set
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*/
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void BUTTON_setPoll_time(BUTTON* me, uint16_t v);
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#endif
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