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								306-controller_interface.X/board/button/button.c
									
									
									
									
									
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								306-controller_interface.X/board/button/button.c
									
									
									
									
									
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|  | ||||
| #include "button.h" | ||||
| #include "../../mcc_generated_files/pin_manager.h" | ||||
|  | ||||
| void Button_init(Button* me, uint8_t id, bool isPullUp) | ||||
| { | ||||
|     me->id = id; | ||||
|     me->isPullUp = isPullUp; | ||||
| } | ||||
|  | ||||
| /** | ||||
|  * @brief Initialize the Driver | ||||
|  *  | ||||
|  */ | ||||
| void Button_initHW(Button* me) | ||||
| { | ||||
| } | ||||
|  | ||||
| //read the state of the button | ||||
| //maybe you have to adjust the  | ||||
| //low level calls | ||||
| uint8_t Button_read(Button* me) | ||||
| { | ||||
|     uint8_t value = LOW; | ||||
|     switch (me->id) | ||||
|     { | ||||
|         case 1: | ||||
|             value = IO_RA7_GetValue(); | ||||
|         break; | ||||
|         case 2: | ||||
|         break; | ||||
|         case 3: | ||||
|         break; | ||||
|         case 4: | ||||
|         break; | ||||
|         case 5: | ||||
|         break; | ||||
|         case 6: | ||||
|         break; | ||||
|         case 7: | ||||
|         break; | ||||
|         case 8: | ||||
|         break; | ||||
|         case 9: | ||||
|         break; | ||||
|         case 10: | ||||
|         break;     | ||||
|     } | ||||
|     if (me->isPullUp == true) | ||||
|     { | ||||
|         value=value==LOW?HIGH:LOW; | ||||
|     } | ||||
|     return value; | ||||
|   } | ||||
|  | ||||
| //id getter | ||||
| uint8_t Button_getId(Button* me) | ||||
| { | ||||
|     return me->id; | ||||
| } | ||||
|  | ||||
| //id setter | ||||
| void Button_setId(Button* me, uint8_t id) | ||||
| { | ||||
|     me->id = id; | ||||
| } | ||||
							
								
								
									
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								306-controller_interface.X/board/button/button.h
									
									
									
									
									
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								306-controller_interface.X/board/button/button.h
									
									
									
									
									
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							| @@ -0,0 +1,25 @@ | ||||
| #ifndef Button_ONCE | ||||
| #define Button_ONCE | ||||
|  | ||||
| #include <stdint.h> | ||||
| #include <stdbool.h> | ||||
|  | ||||
| /* | ||||
|  * this is the declaration of the Button class | ||||
|  */ | ||||
|  | ||||
| struct Button_ | ||||
| { | ||||
|   uint8_t id; | ||||
|   bool isPullUp; | ||||
| }; | ||||
|  | ||||
| typedef struct Button_ Button; | ||||
|  | ||||
| void Button_init(Button* me, uint8_t id, bool isPullUp); | ||||
| void Button_initHW(Button* me); | ||||
| uint8_t Button_read(Button* me); | ||||
| void Button_setId(Button* me, uint8_t id); | ||||
| uint8_t Button_getId(Button* me); | ||||
|  | ||||
| #endif | ||||
							
								
								
									
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								306-controller_interface.X/board/button/buttonsm.c
									
									
									
									
									
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								306-controller_interface.X/board/button/buttonsm.c
									
									
									
									
									
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							| @@ -0,0 +1,129 @@ | ||||
| #include "buttonsm.h" | ||||
|  | ||||
| /* | ||||
|  * this is the init method of the ButtonSM class | ||||
|  */ | ||||
| void ButtonSM_init(ButtonSM* me, Button* button) | ||||
| { | ||||
|     me->state = ST_BSMINIT; | ||||
|     me->button = button; | ||||
|  | ||||
|     me->actualState = ST_BSMINIT; | ||||
|     me->observer = NULL; | ||||
|     me->observerCB = NULL; | ||||
| } | ||||
|  | ||||
| /* | ||||
|  * this is the state machine method of the ButtonSM class | ||||
|  */ | ||||
| bool ButtonSM_processEvent(Event* ev) | ||||
| { | ||||
|     ButtonSM* me = (ButtonSM*)ev->target; | ||||
|     bool processed = false; | ||||
|     BSMState oldState = me->state; | ||||
|        | ||||
|     switch (me->state) | ||||
|     { | ||||
|         case ST_BSMINIT: | ||||
|             if (Event_getId(ev) == evBSMInit) | ||||
|             { | ||||
|                 me->state = ST_BSMWAIT; | ||||
|             }  | ||||
|         break; | ||||
|         case ST_BSMWAIT: | ||||
|                 if (Event_getId(ev) == evBSMPollTM) | ||||
|             { | ||||
|                 me->state = ST_BSMPOLL; | ||||
|             }            | ||||
|         break; | ||||
|         case ST_BSMPOLL: | ||||
|             if (Event_getId(ev) == evBSMDefault) | ||||
|             { | ||||
|                 if (Button_read(me->button)==HIGH) | ||||
|                 { | ||||
|                     me->state = ST_BSMPRESSED; | ||||
|                 } | ||||
|                 else | ||||
|                 { | ||||
|                     me->state = ST_BSMRELEASED; | ||||
|                 } | ||||
|             }            | ||||
|         break; | ||||
|         case ST_BSMPRESSED: | ||||
|             if (Event_getId(ev) == evBSMDefault) | ||||
|             { | ||||
|                 me->state = ST_BSMWAIT; | ||||
|             }   | ||||
|         break;   | ||||
|         case ST_BSMRELEASED: | ||||
|             if (Event_getId(ev) == evBSMDefault) | ||||
|             { | ||||
|                 me->state = ST_BSMWAIT; | ||||
|             }            | ||||
|         break; | ||||
|     } | ||||
|     if (oldState != me->state) | ||||
|     { | ||||
|         processed = true; | ||||
|         switch (me->state) | ||||
|         { | ||||
|             case ST_BSMINIT: | ||||
|             break; | ||||
|             case ST_BSMWAIT: | ||||
|                 POST(me, &ButtonSM_processEvent, evBSMPollTM,POLLTM,0); | ||||
|             break; | ||||
|             case ST_BSMPOLL: | ||||
|                 POST(me, &ButtonSM_processEvent, evBSMDefault,0,0);   | ||||
|             break; | ||||
|             case ST_BSMPRESSED: | ||||
|                 POST(me, &ButtonSM_processEvent, evBSMDefault,0,0); | ||||
|                 if (me->actualState != ST_BSMPRESSED) | ||||
|                 { | ||||
|                     if (me->observerCB != NULL) | ||||
|                     { | ||||
|                         me->observerCB(me->observer,Button_getId(me->button),true); | ||||
|                         me->actualState = ST_BSMPRESSED; | ||||
|                     } | ||||
|                 } | ||||
|             break; | ||||
|             case ST_BSMRELEASED: | ||||
|                 POST(me, &ButtonSM_processEvent, evBSMDefault,0,0); | ||||
|                 if (me->actualState != ST_BSMRELEASED) | ||||
|                 { | ||||
|                     if (me->observerCB != NULL) | ||||
|                     { | ||||
|                         me->observerCB(me->observer,Button_getId(me->button),false); | ||||
|                         me->actualState = ST_BSMRELEASED; | ||||
|                     } | ||||
|                 } | ||||
|             break; | ||||
|         } | ||||
|     } | ||||
|     return processed; | ||||
| } | ||||
|  | ||||
| /* | ||||
|  * this is the start method for the  | ||||
|  * state machine of the ButtonSM class | ||||
|  */ | ||||
| void ButtonSM_startBehaviour(ButtonSM* me) | ||||
| { | ||||
|     POST(me, &ButtonSM_processEvent, evBSMInit,0,0); | ||||
|     me->actualState = Button_read(me->button)==HIGH?ST_BSMPRESSED:ST_BSMRELEASED; | ||||
| } | ||||
|  | ||||
| /* | ||||
|  * this is the method to set the object and the  | ||||
|  * call back method of the ButtonSM class | ||||
|  * this method will be called whenever the  | ||||
|  * button changes its state | ||||
|  * as parameters to the callback method will be passed | ||||
|  * the object address, the button id and its state | ||||
|  * if the call back method does not belong to a class, | ||||
|  * then the object address must be set to NULL | ||||
|  */ | ||||
| void ButtonSM_setObserver(ButtonSM* me, void* observer, buttonObserverCBT observerCB) | ||||
| { | ||||
|     me->observer = observer; | ||||
|     me->observerCB = observerCB; | ||||
| } | ||||
							
								
								
									
										69
									
								
								306-controller_interface.X/board/button/buttonsm.h
									
									
									
									
									
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								306-controller_interface.X/board/button/buttonsm.h
									
									
									
									
									
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							| @@ -0,0 +1,69 @@ | ||||
| #ifndef BUTTONSM_DEF | ||||
| #define BUTTONSM_DEF | ||||
|  | ||||
| #include <stdint.h> | ||||
| #include <stdbool.h> | ||||
| #include "../../xf/xf.h" | ||||
| #include "button.h" | ||||
|  | ||||
| /* | ||||
|  * these are the events of the | ||||
|  * button state machine | ||||
|  * be sure to make the first event  | ||||
|  * in the enumeration different from 0 | ||||
|  */ | ||||
| typedef enum BSMEvent  | ||||
| {  | ||||
|     evBSMInit = 10, | ||||
|     evBSMDefault,      | ||||
|     evBSMPollTM | ||||
| } BSMEvent; | ||||
|  | ||||
| /* | ||||
|  * these are the states of the | ||||
|  * button state machine  | ||||
|  */ | ||||
| typedef enum BSMSTate_ | ||||
| { | ||||
|     ST_BSMINIT,  | ||||
|     ST_BSMWAIT, | ||||
|     ST_BSMPOLL, | ||||
|     ST_BSMPRESSED, | ||||
|     ST_BSMRELEASED | ||||
| } BSMState; | ||||
|  | ||||
| /* | ||||
|  * the associated button will be polled | ||||
|  * each 50 ms. do not make this time  | ||||
|  * shorter than TICKINTERVAL | ||||
|  */ | ||||
| #define POLLTM 50 | ||||
|  | ||||
| /* | ||||
|  * this is the prototype type of the callback function | ||||
|  * that will be called when the associated button  | ||||
|  * changes from released to pressed or inverse. | ||||
|  */ | ||||
| typedef void (*buttonObserverCBT)(void*, uint8_t, bool); | ||||
|  | ||||
| /* | ||||
|  * this is the declaration of the ButtonSM class | ||||
|  */ | ||||
| struct ButtonSM_ | ||||
| { | ||||
|     BSMState state; | ||||
|     Button* button; | ||||
|     BSMState actualState; | ||||
|  | ||||
|     buttonObserverCBT observerCB; | ||||
|     void* observer; | ||||
| }; | ||||
|  | ||||
| typedef struct ButtonSM_ ButtonSM; | ||||
|  | ||||
|  | ||||
| void ButtonSM_init(ButtonSM* me, Button* button); | ||||
| void ButtonSM_startBehaviour(ButtonSM* me); | ||||
| bool ButtonSM_processEvent(Event* ev); | ||||
| void ButtonSM_setObserver(ButtonSM* me, void* observer, buttonObserverCBT observerCB); | ||||
| #endif | ||||
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