uif.c

#include "uif.h"
#include "usi.h"
#include "uib.h"
#include "crd.h"
#include "opt.h"
#include "print.h"
#include "version.h"

/* public variable */
uint8_t UIF_state;
uint8_t UIF_credIndex = 0;
uint8_t UIF_optionsIndex = 0;
uint8_t UIF_userInputIndex = 0;

const char uif_initStr[] PROGMEM = MEMTYPE_VERSION_STR;

void UIF_Init(void){
    UIF_state = START;
    printStr((void*)uif_initStr, FLASH);
}

void UIF_Task(void){
    if((UIB_buttonChanged == 1u) && (UIB_buttonPressed != NOT_PRESSED))
    {
        switch(UIF_state)
        {
        case START:
            UIF_state = USER_INPUT;
            print_deleteStr();
            USI_Init();
            break;
        case OPTIONS:
            OPT_fsm(UIB_buttonPressed);
            break;
        case USER_INPUT:
            USI_fsm(UIB_buttonPressed);
            break;
        default:         //CREDENTIALS
            CRD_fsm(UIB_buttonPressed);
            break;
        }
    }
}

void UIF_increment(uint8_t* val, uint8_t max){
    *val = ((*val)+1) % max;
}


void UIF_decrement(uint8_t* val, uint8_t max){
    if((*val) == 0) {
        *val = (max-1);
    }
    else {
        *val = (*val)-1;
    }
}