void sendDir(unsigned char sendValue) {
if(USART_IsSendReady(1)) {
USART_Send(sendValue, 1);
}
}
void mainTick(){
static unsigned char button;
static unsigned char pressed; //decrease states for buttonpress
button = ~PINA;
switch(gameStatus){
case intro:
if(GetBit(button,0)){
gameStatus = play;
playTime = 0;
pressed = 1;
currScore = 0;
lcdTick();
if(USART_IsSendReady())
USART_Send(0x41);
}
else if(USART_HasReceived()){
tempMessage = USART_Receive();
if( tempMessage == 0xC1 ){
gameStatus = highscore;
playTime = 0;
lcdTick();
}
else if( tempMessage == 0xC2){
gameStatus = resetHighScore;
currHighScore = 0;
eeprom_write_byte ((uint8_t*) 46, currHighScore);
playTime = 0;
lcdTick();
}
}
else
gameStatus = intro;
break;
case highscore:
if(playTime == 500){
gameStatus = intro;
lcdTick();
}
else
gameStatus = highscore;
break;
case resetHighScore:
if(playTime == 500){
gameStatus = intro;
lcdTick();
}
else
gameStatus = resetHighScore;
break;
case play:
if(!(GetBit(button,0) && !pressed) && playTime < 4000 )
gameStatus = play;
else if((GetBit(button,0) && !pressed) || playTime == 4000){
gameStatus = gameOver;
lcdTick();
playTime = 0;
if(currScore > currHighScore){
currHighScore = currScore;
eeprom_write_byte ((uint8_t*) 46, currHighScore);
}
if(USART_IsSendReady())
USART_Send(0x40);
}
else
gameStatus = play;
break;
case gameOver:
if(playTime == 500){
gameStatus = intro;
lcdTick();
}
else if(playTime < 500)
gameStatus = gameOver;
else
gameStatus = gameOver;
break;
}
switch(gameStatus){
case intro:
PORTB = 0;
currScore = 0;
break;
case highscore:
playTime++;
break;
case resetHighScore:
playTime++;
break;
case play:
if(!GetBit(button,0))
pressed = 0;
playTime++;
if(USART_HasReceived()){
tempMessage = USART_Receive();
if(GetBit(tempMessage,7) && !GetBit(tempMessage,6))
if((tempMessage & 0x3F) != currScore)
updateScore(tempMessage & 0x3F);
}
break;
case gameOver:
playTime++;
break;
}
}
