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Part One of my Project Course. Implementation of simple I/O and a custom defined protocol over UDP/IP.
Dependencies: C12832 LM75B mbed EthernetInterface mbed-rtos
buzzer_music.cpp
- Committer:
- bertgereels
- Date:
- 2018-03-14
- Revision:
- 1:b5c534165dfe
- Parent:
- 0:88d3b9015f7c
- Child:
- 2:6bfe732ba6bc
File content as of revision 1:b5c534165dfe:
#include "buzzer_music.h" #include <string.h> namespace ProjectOne{ const int BuzzerMusic::frequencies[] = {110,110,110,98,130,110,98,130,110,165,165,165,175,130,104,98,130}; const int BuzzerMusic::lengths[] = {480,480,480,360,120,480,360,120,960,480,480,480,360,120,480,360,120}; const int BuzzerMusic::delays[] = {100,100,100,75,100,100,75,100,100,100,100,100,75,100,100,75,100}; BuzzerMusic::BuzzerMusic(PinName speakerPin) : speaker(speakerPin){ } void BuzzerMusic::playMusic(std::string indexes){ char *command_info[2]; int i = 0; char *p = strtok ((char *)indexes.c_str(), "-"); while (p != NULL) { command_info[i++] = p; p = strtok (NULL, "-"); } int x = atoi(command_info[0]); int y = atoi(command_info[1]); if(x >= 0 && y <= 17){ for(int i = x; i < y; i ++){ speaker = 0.5; speaker.period(1.0/frequencies[i]); wait((float)lengths[i]/1000); speaker = 0.0; wait((float)delays[i]/1000); } printf("Played Music\r\n"); }else{ printf("Indexes not valid!\r\n"); } } }