app_push_button.c

/*
 * File:   app_push_button.c
 * Author: M91406
 *
 * Created on March 12, 2020, 12:10 PM
 */
 
 
#include "config/hal.h"
#include "app_push_button.h" 
#include "lcd/app_lcd.h"
 
// PRIVATE VARIABLE DELARATIONS
 
#define PUSH_BUTTON_DEBOUNCE_DELAY_DEFAULT    199    // Push Button needs to be pressed >20ms to trip a PUSH BUTTON switch event
#define PUSH_BUTTON_LONG_PRESS_DELAY_DEFAULT  4999   // Push Button needs to be pressed >500ms to trip a PUSH BUTTON switch event
 
volatile PUSH_BUTTON_OBJECT_t push_button;
 
// Push Button Events
volatile uint16_t appPushButton_EventButtonDown(void);
volatile uint16_t appPushButton_EventButtonPressed(void);
volatile uint16_t appPushButton_EventButtonLongPress(void);
volatile uint16_t appPushButton_EventButtonUp(void);
 
 
volatile uint16_t appPushButton_Initialize(void) 
{
    volatile uint16_t retval = 1;
    
    retval &= drv_PushButton_Initialize(&push_button);   
    
    push_button.debounce_delay = PUSH_BUTTON_DEBOUNCE_DELAY_DEFAULT;
    push_button.long_press_delay = PUSH_BUTTON_LONG_PRESS_DELAY_DEFAULT;
    push_button.status.bits.enabled = true;
    
    push_button.event_btn_down = &appPushButton_EventButtonDown;
    push_button.event_btn_up = &appPushButton_EventButtonUp;
    push_button.event_pressed = NULL; // Event not used
    push_button.event_long_press = &appPushButton_EventButtonLongPress;
    
    return(retval);
}
 
 
volatile uint16_t appPushButton_Execute(void) 
{
    volatile uint16_t retval = 1;
 
    retval &= drv_PushButton_Execute(&push_button);
 
    return(retval);
}
 
 
volatile uint16_t appPushButton_Dispose(void) 
{
    volatile uint16_t retval = 1;
    
    retval &= drv_PushButton_Dispose(&push_button);
 
    return(retval);
}
 
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// PRIVATE FUNCTIONS
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 
volatile uint16_t appPushButton_EventButtonDown(void) 
{
    Nop();
    return(1);
}
 
 
volatile uint16_t appPushButton_EventButtonUp(void) 
{
    Nop();
    return(1);
}
 
 
volatile uint16_t appPushButton_EventButtonPressed(void)
{
    Nop();
    return(1);
}
 
 
volatile uint16_t appPushButton_EventButtonLongPress(void) {
    
    lcd.screen += 1;    // increment screen index
    if (lcd.screen > lcd.screens) // Roll-over after screen #2
        lcd.screen = 0; // Reset to default view
    return(1);
}
 
 
// end of file