Introduction - If you have any usage issues, please Google them yourself
Samsung S344B0X buzzer testing// if (key ==)// if (BeepFreqlt; 20000)// BeepFreq = 100// if (key ==-)// if (BeepFreqgt; 100)// BeepFreq-= 100// SetBeepPwm (BeepFreq, 50)// printf ( "Now beep frequence is% d \ n", BeepFreq)// Delay (2000000)// StopBeepPwm ()