int main(void){ // for the real board grader to work, you must connect PD3 to your DAC output
int piano; // to read current piano keys
int prevPiano; // to store piano keys in prev cycle
TExaS_Init(SW_PIN_PE3210, DAC_PIN_PB3210,ScopeOn); // activate grader and set system clock to 80 MHz
Sound_Init(); // initialize SysTick timer and DAC
Piano_Init();
EnableInterrupts(); // enable after all initialization are done
while(1){
piano = Piano_In();
if(piano != prevPiano){ // only react if piano keys pressed
if(piano == 0x00)
Sound_Off();
else if(piano == 0x01)
Sound_Tone(2389);
else if(piano == 0x02)
Sound_Tone(2128);
else if(piano == 0x04)
Sound_Tone(1896);
else if(piano == 0x08)
Sound_Tone(1594);
delay(10);
}
prevPiano = piano;
}
}
int main(void){ // Real Lab13
// for the real board grader to work
// you must connect PD3 to your DAC output
TExaS_Init(SW_PIN_PE3210, DAC_PIN_PB3210,ScopeOn); // activate grader and set system clock to 80 MHz
// PortE used for piano keys, PortB used for DAC
Sound_Init(); // initialize SysTick timer and DAC
Piano_Init();
EnableInterrupts(); // enable after all initialization are done
DAC_Init();
while(1){ volatile unsigned long current_switch;
current_switch = Piano_In();
if (current_switch == 0x01){
EnableInterrupts();
Sound_Tone(4780);
}
else if (current_switch == 0x02){
EnableInterrupts();
Sound_Tone(4259);
}
else if (current_switch == 0x04){
EnableInterrupts();
Sound_Tone(3794);
}
else if (current_switch == 0x08){
EnableInterrupts();
Sound_Tone(3189);
}
// else if (current_switch == 0x00){
// Sound_Off();
// DisableInterrupts();
// }
delay(10);
}
}
int main(void)
{
unsigned long input= 0;
PLL_Init();
Sound_Init(); // initialize SysTick timer and DAC
Piano_Init();
EnableInterrupts(); // enable after all initialization are done
while(1)
{
// input from keys to select tone
input= Piano_In();
switch (input)
{
case 0x01:
Sound_Tone(C);
break;
case 0x10:
Sound_Tone(D);
break;
case 0x04:
Sound_Tone(E);
break;
case 0x08:
Sound_Tone(G);
break;
default:
Sound_Off();
break;
}
}
}
int main(void){ // Real Lab13
// for the real board grader to work
// you must connect PD3 to your DAC output
TExaS_Init(SW_PIN_PE3210, DAC_PIN_PB3210,ScopeOn); // activate grader and set system clock to 80 MHz
// PortE used for piano keys, PortB used for DAC
Sound_Init(); // initialize SysTick timer and DAC
Piano_Init();
EnableInterrupts(); // enable after all initialization are done
while(1){
/*DAC_Out(wave[n]); // your code to output to the DAC
delay(1000); // wait 1s (later change this to 1ms)
n = (n+1)&0x1F;*/
switch(Piano_In()) {
case C:
delay(delayValue);
//EnableInterrupts();
//Sound_Tone(523.251);
Sound_Tone(C0);
break;
case D:
//EnableInterrupts();
delay(delayValue);
Sound_Tone(D0);
break;
case E:
//EnableInterrupts();
delay(delayValue);
Sound_Tone(E0);
break;
case G:
//EnableInterrupts();
delay(delayValue);
Sound_Tone(G0);
break;
default:
delay(delayValue);
Sound_Off();
//DisableInterrupts();
break;
}
}
}
void Snake_Game() //游戏过程
{
Snake_Init(); //初始化游戏
Play_Music(sound_canon);
while(snake.life) //有生命，便可玩
{
uint8 i;
switch(keypad)//直接读取键值，贪吃蛇不需要消抖
{
case K_UP: if((snake.direc==left)||(snake.direc==right)) snake.direc=up;
//按下UP键时，只有蛇在水平方向时才能改变
break;
case K_DOWN:if((snake.direc==left)||(snake.direc==right)) snake.direc=down;
//按下DOWN键时，只有蛇在水平方向时才能改变
break;
case K_LEFT:if((snake.direc==up)||(snake.direc==down)) snake.direc=left;
//按下left键时，只有蛇在垂直方向时才能改变
break;
case K_RIGHT:if((snake.direc==up)||(snake.direc==down)) snake.direc=right;
//按下right键时，只有蛇在垂直方向时才能改变
break;
default :
break;
}
if(KEY_OK==0) speeds = ASPEED;//加速键
else speeds = NORSPEED;
keypad = K_NULL;
if(tms > speeds) //半秒前进一格
{
tms=0;
Snake_Run(); //无聊散步
}
if((snake.x[0]==food.x) && (snake.y[0]==food.y))//是否吃到食物
{
Sound_Tone(sound_ON,4,5);
// getfood=1;//直接在此增加蛇长度会在下一个显示扫描产生一个原有数据留影，故通过加长
snake.node++;
// game_speed-=10; //每吃一个食物增加10点速度
Create_Food(); //产生新食物
}
if((snake.x[0]>WIDTH-1)||(snake.x[0]<0)||(snake.y[0]>LENGTH-1)||(snake.y[0]<0))//是否碰壁
{
snake.life=0; //蛇碰到墙壁死亡
}
for(i=3;i<snake.node;i++)//从蛇的第四节开始判断是否撞到自己了，因为蛇头不可能撞到二三四节
{
if((snake.x[i]==snake.x[0])&&(snake.y[i]==snake.y[0]))//是否自残
snake.life=0; //蛇头碰到自身死亡
}
Snake_Disp(); //显示游戏图像
scores = snake.node-3;
SMG_Display(scores,duty);
}
scores = snake.node-3;
TR2_OFF;
}
// **************Sound_Off*********************
// stop outputing to DAC
// Output: none
void Sound_Off(void){
// this routine stops the sound output
Sound_Tone(0);
isOn = 0;
}
