tone function Library
Dependents: PiezoBuzzer_HelloWorld_WIZwiki-W7500 kragl kragl_v2 Internet_Orgel ... more
pwm_tone.cpp
- Committer:
- justinkim
- Date:
- 2016-10-21
- Revision:
- 1:4b841d62e529
- Parent:
- 0:d06af372d384
File content as of revision 1:4b841d62e529:
/* 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); }