Harshel Naik ECE department IUPUI / PWM_Tone_Library_4th_Octave-6th_Octave

tone range has been increased to play notes between 4th octave and 6th octave

Dependencies:   Hexi_OLED_SSD1351

Dependents:   IotProject

Fork of PWM_Tone_Library by justin kim

ECE Department IUPUI

pwm_tone.cpp

Committer:
naikhar0
Date:
2017-04-12
Revision:
2:7e7f2d3f01ea
Parent:
0:d06af372d384

File content as of revision 2:7e7f2d3f01ea:

/* Includes ------------------------------------------------------------------*/
#include "pwm_tone.h"

/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/

/**
   * @brief     Tune Function
   * @param  name : Choose the PwmOut
                    period : this param is tune value. (C_3...B_5)
                    beat : this param is beat value. (1..16) 1 means 1/16 beat
   * @retval    None
   */
void Tune(PwmOut name, int period, int beat)
{  
    int delay;
    
    delay = beat*63;
    name.period_us(period);
    name.write(0.50f); // 50% duty cycle
    wait_ms(delay); // 1 beat
    name.period_us(0); // Sound off
}

/**
   * @brief     Auto tunes Function
   * @param  name : Choose the PwmOut
                    period : this param is tune value. (C_3...B_5)
                    beat : this param is beat value. (1..16) 1 means 1/16 beat
   * @retval    None
   */
void Auto_tunes(PwmOut name, int period, int beat)
{    
    int delay;
    
    delay = beat*63;
    name.period_us(period);
    name.write(0.50f); // 50% duty cycle
    wait_ms(delay);
}

/**
   * @brief     Stop tunes Function
   * @param  name : Choose the PwmOut
   * @retval    None
   */
void Stop_tunes(PwmOut name)
{
    name.period_us(0);
}