/*
Name:
LED_Matrix_Init
Input:
nothing
Output:
nothing
Description:
Initialize the matrix pins and latch.
Initialize watchdog timer as timer interval.
*/
void LEDmatrix::Init(void) {
// configure SPI pins and latch
P1DIR |= DATA_LATCH_PIN | SPI_DATA_OUT_PIN | SPI_CLK_OUT_PIN;
// set latch pin to inactive
P1OUT &= ~DATA_LATCH_PIN;
// using WatchDog Timer as interval timer for Matrix refresh interrupts
WDTCTL = WDT_MDLY_0_5; // Set Watchdog Timer interval to 0.5ms
IE1 |= WDTIE; // Enable WDT interrupt
USI_Init();
return;
}
// user input finitestate machine
void USI_fsm(uint8_t button)
{
switch(button){
case LEFT:
deleteStr();
USI_Init();
break;
case UP:
deleteStr();
usi_previous();
break;
case RIGHT:
deleteStr();
if(userTextIndex == (sizeof(LOCK)-2)) // real array elements (\0)
{
/* Device Unlocked */
//if(strcmp_P(userText+sizeof(PIN_str)-1, LOCK) == 0)
if(USI_pinCheck(userText+sizeof(PIN_str)-1) == 1)
{
CRD_fsmStart();
UCP_Unlock();
}
/* Device Locked */
else
{
printStr((void*)LOCKED_str,FLASH);
userTextIndex = 0;
UIF_userInputIndex = 0;
memcpy_P((void*)userText, (void*)PIN_str, sizeof(PIN_str));
userText[sizeof(PIN_str)-1+userTextIndex] = pgm_read_byte(&USI_keys[UIF_userInputIndex]);
userText[sizeof(PIN_str)-1+userTextIndex+1] = 0;
}
}
else
{
userTextIndex++;
usi_print();
}
break;
case DOWN:
deleteStr();
usi_next();
break;
default:
break;
}
}
void UIF_Task(void){
if((UIB_buttonChanged == 1u) && (UIB_buttonPressed != NOT_PRESSED))
{
switch(UIF_state)
{
case START:
UIF_state = USER_INPUT;
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;
}
}
return;
}