src/modules/utils/panel/Button.cpp

   1 #include "Button.h"
   2
   3 #include "libs/Kernel.h"
   4 #include "libs/utils.h"
   5 #include "libs/Pin.h"
   6 #include "libs/Hook.h"
   7
   8 Button::Button()
   9 {
  10     this->counter = 0;
  11     this->value = false;
  12     this->up_hook = NULL;
  13     this->down_hook = NULL;
  14     this->button_pin = NULL;
  15     this->repeat = false;
  16     this->first_timer = 0;
  17     this->second_timer = 0;
  18     this->longpress_delay = 0;
  19 }
  20
  21 Button *Button::pin(Pin *passed_pin)
  22 {
  23     this->button_pin = passed_pin;
  24     return this;
  25 }
  26
  27 void Button::check_signal()
  28 {
  29     check_signal(this->button_pin->get() ? 1 : 0);
  30 }
  31
  32 void Button::check_signal(int val)
  33 {
  34     bool start_value = this->value;
  35     if ( val ) {
  36         if ( this->counter < 5  ) {
  37             this->counter++;
  38         }
  39         if ( this->counter == 5 ) {
  40             this->value = true;
  41         }
  42     } else {
  43         if ( this->counter > 0  ) {
  44             this->counter--;
  45         }
  46         if ( this->counter == 0 ) {
  47             this->value = false;
  48         }
  49     }
  50
  51     if ( start_value != this->value ) {
  52         if ( this->value ) {
  53             if ( this->up_hook != NULL ) {
  54                 this->up_hook->call();
  55                 this->first_timer = 0;
  56                 this->second_timer = 0;
  57                 this->repeat = false;
  58             }
  59         } else {
  60             if ( this->down_hook != NULL ) {
  61                 this->down_hook->call();
  62             }
  63         }
  64     }
  65     //auto repeat button presses
  66     if(this->longpress_delay > 0) {
  67         if(this->value) {
  68             if(this->repeat) {
  69                 this->second_timer++;
  70                 if(this->second_timer == 10) {
  71                     this->up_hook->call();
  72                     this->second_timer = 0;
  73                 }
  74             } else {
  75                 this->first_timer++;
  76                 if(this->first_timer == longpress_delay) {
  77                     this->repeat = true;
  78                     this->first_timer = 0;
  79                 }
  80             }
  81         }
  82     }
  83 }
  84
  85 void Button::set_longpress_delay(int delay)
  86 {
  87     this->longpress_delay = delay;
  88 }
  89
  90 bool Button::get()
  91 {
  92     return this->value;
  93 }