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【代码】蜂鸣器FlowerDance
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【代码】蜂鸣器FlowerDance
2022-12-022022-12-03
蜂鸣器FlowerDance
接线方式：蜂鸣器一端接P1.0，另一端接电源正极
#include<8052.h>
// 存放寄存器高位
unsigned int h;
// 存放寄存器低位
unsigned int l;
void init()
{
// 指定开启定时计数器0中断
IE = 0x82;
// 为定时/计数器0指定模式
// 指定门控信号为软件开启
// 指定工作在定时模式
// 指定工作方式3
TMOD = 0x01;
}
void delay(unsigned int ms)
{
unsigned int j;
while (ms--)
for (j = 600; j > 0; j--);
}
void main(void)
{
init();
// 初始蜂鸣器
P1_0 = 1;
// C大调中音7音阶数组
__code unsigned int pitch[] = {
262, 294, 330, 349, 392, 440, 494,
523, 587, 659, 698, 784, 880, 988,
1046, 1175, 1318, 1397, 1568, 1760, 1976,
2092, 2350, 2636, 2794, 3136, 3520, 3952,
0};
// 每次蜂鸣器发声的音调
__code unsigned int tone[] = {
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 20, 16,
17,
17, 29, 13, 15, 16, 16, 19,
16, 21, 20, 19, 20, 24,
20, 24, 23, 24, 21, 19,
20, 29, 24,
17, 29, 13, 15, 17, 16, 19,
16, 19, 20, 21, 22, 21, 20, 19,
20, 24, 23, 24, 20, 24, 23, 24, 20, 24, 23, 24, 20, 24, 23, 24,
20, 24, 22, 24, 20, 24, 22, 24, 20, 24, 22, 24, 20, 17,
22, 21, 22, 23, 21, 20, 19, 17, 19,
20, 19, 20, 22, 19, 18, 17, 17, 19,
18, 17, 16, 18, 17, 16, 15, 17,
16, 15, 14, 13, 12, 13, 14, 10,
15, 14, 15, 16, 14, 13, 12, 10, 12,
13, 12, 13, 15, 12, 11, 10, 10, 12,
11, 18, 17, 16, 15, 14, 17, 16, 15, 14,
13, 17, 12, 17, 13,
17, 29, 13, 15, 17, 16, 19,
16, 21, 20, 19, 20, 24,
20, 24, 23, 24, 21, 19,
20, 29, 17,
17, 29, 13, 15, 17, 16, 19,
16, 19, 20, 21, 22, 21, 20, 19,
20, 24, 23, 24, 20, 24, 23, 24, 20, 24, 23, 24, 20, 24, 23, 24,
20, 24, 22, 24, 20, 24, 22, 24, 20, 24, 22, 24, 20, 17,
17, 29, 13, 15, 17, 16, 19,
16, 21, 20, 19, 20, 24,
20, 24, 23, 24, 21, 19,
20, 29, 17,
17, 29, 13, 15, 17, 16, 19,
16, 15, 20, 21, 17, 22, 16, 21, 16, 20, 14, 19,
20, 24, 23, 24, 20, 24, 23, 24, 20, 24, 23, 24, 20, 24, 23, 24,
20, 24, 22, 24, 20, 24, 22, 24, 20, 24, 22, 24, 20, 17,
22, 21, 22, 23, 21, 20, 19, 17, 19,
20, 19, 20, 22, 19, 18, 17, 17, 19,
18, 17, 16, 18, 17, 16, 15, 17,
16, 15, 14, 13, 12, 13, 14, 10,
15, 14, 15, 16, 14, 13, 12, 10, 12,
13, 12, 13, 15, 12, 11, 10, 10, 12,
11, 18, 17, 16, 15, 14, 17, 16, 15, 14,
13, 17, 12, 17, 13,
20, 13, 15, 17, 20, 13, 15, 17, 21, 16, 17, 20, 21, 16, 22, 21,
20, 17, 22, 17, 21, 17, 19, 17, 20, 13, 19, 13, 17, 13, 19, 13,
20, 13, 15, 17, 20, 13, 15, 17, 21, 16, 17, 20, 21, 16, 22, 21,
20, 15, 22, 15, 23, 16, 24, 17, 23, 16, 22, 20,
20, 13, 15, 17, 20, 13, 15, 17, 21, 16, 17, 20, 21, 16, 22, 21,
20, 17, 22, 17, 21, 17, 19, 17, 20, 13, 19, 13, 17, 13, 19, 13,
20, 13, 15, 17, 20, 13, 15, 17, 21, 16, 17, 20, 21, 16, 22, 21,
20, 29, 20,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16,
17, 16, 16, 20, 16, 17, 16, 13, 16,
17, 16, 20, 16, 17, 16, 13, 16
};
// 每次音调响的时长
__code unsigned int rhythm[] = {
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
12,
4, 1, 1, 1, 1, 4, 4,
3, 1, 3, 1, 4, 4,
4, 4, 3, 1, 2, 2,
12, 2, 2,
4, 1, 1, 1, 1, 4, 4,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 1, 1, 1, 1, 2, 2, 2, 2, 2,
2, 2, 2, 2, 8,
4, 1, 1, 1, 1, 4, 4,
3, 1, 3, 1, 4, 4,
4, 4, 2, 2, 2, 2,
12, 2, 2,
4, 1, 1, 1, 1, 4, 4,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
4, 1, 1, 1, 1, 4, 4,
3, 1, 3, 1, 4, 4,
4, 4, 2, 2, 2, 2,
12, 2, 2,
4, 1, 1, 1, 1, 4, 4,
2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 2, 2, 2, 2, 2, 2, 1, 1,
2, 1, 1, 1, 1, 2, 2, 2, 2, 2,
2, 2, 2, 2, 8,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 2,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
12, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2,
1, 1, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 34
};
// 累加器
unsigned char i = 0;
while (1)
{
h = (65536 - 1000000/pitch[tone[i] - 1]/2) / 256;
l = (65536 - 1000000/pitch[tone[i] - 1]/2) % 256;
// 为定时/计数器0指定时间初值（1ms=1000次）
TH0 = h;
TL0 = l;
// 为定时/计数器0开启计数
TR0 = 1;
delay(rhythm[i] * 300);
// 为定时/计数器0关闭计数
TR0 = 0;
// 蜂鸣器断电
P1_0 = 0;
// 累加器增加
i += 1;
i %= sizeof(tone)/sizeof(tone[0]);
}
}
void timer0(void) __interrupt 1
{
// 阻止计数
TR0 = 0;
// 业务代码
if (P1_0) P1_0 = 0;
else P1_0 = 1;
// 重新指定计数初值
TH0 = h;
TL0 = l;
// 恢复计数
TR0 = 1;
}
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