帮我写一段msp430播放生日快乐歌的代码
时间: 2023-05-24 18:02:06 浏览: 208
好的,以下是一段可以播放生日快乐歌的msp430代码:
#include <msp430g2553.h>
#define SPK BIT0
void delay_ms(int delay);
int main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Disable watchdog timer
P1DIR |= SPK; // Set the output direction of Buzzer
while(1)
{
int notes[22]={1911,1911,2132,1911,1702,1516,1911,1911,2132,1911,2272,2272,1911,1911,3186,2551,2132,1702,2132,1911,1516,2132};
int noteDelays[22]={500,500,1000,1000,1000,2000,500,500,1000,1000,500,500,1000,1000,1000,500,500,500,1000,1000,1000,2000};
for(int i = 0; i < 22; i++)
{
int noteDelay = noteDelays[i];
int note = notes[i];
CCR0 = note; // Initialize CCR0 to the note frequency.
TACCTL0 |= OUTMOD_4; // Set a reset/set output mode.
delay_ms(noteDelay); // Delay before we play the next note.
TACCTL0 &= ~OUTMOD_4; // Turn off our output mode.
delay_ms(10); // Delay 10 ms to create a pause between the notes.
}
delay_ms(2000); // Delay 2 seconds between song cycles
}
}
void delay_ms(int delay)
{
__delay_cycles(1000 * delay);
}
这段代码使用了msp430g2553微控制器来控制蜂鸣器播放生日快乐歌曲。请注意,这段代码的音符和节奏是固定的,如果您想要更改,您需要修改“ notes”和“ noteDelays”数组的值。