Ollie Milton / LibJAudioStream

MBED implementation of JAudioStream

JAudioStream.cpp@6:7e366261cd93, 2015-08-19 (annotated)

Committer:
ollie8
Date:
Wed Aug 19 09:04:41 2015 +0000
Revision:
6:7e366261cd93
Parent:
5:77a5d031f270
Child:
7:9dfba830a0c8
Changed message string to constants

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ollie8 0:6f03883f9b43 1 #include "JAudioStream.h"
ollie8 2:22ee01f24346 2 #include "logger.h"
ollie8 0:6f03883f9b43 3
ollie8 0:6f03883f9b43 4 JAudioStream::JAudioStream() {
ollie8 2:22ee01f24346 5 cont = "cont";
ollie8 2:22ee01f24346 6 cond = "cond";
ollie8 2:22ee01f24346 7 dcon = "dcon";
ollie8 4:ebdd1cf0c9f7 8 dctd = "dctd";
ollie8 2:22ee01f24346 9 rqst = "rqst";
ollie8 2:22ee01f24346 10 begn = "begn";
ollie8 2:22ee01f24346 11 comt = "comt";
ollie8 2:22ee01f24346 12 hrbt = "hrbt";
ollie8 0:6f03883f9b43 13 connected = false;
ollie8 0:6f03883f9b43 14 inTransmission = false;
ollie8 0:6f03883f9b43 15 }
ollie8 0:6f03883f9b43 16
ollie8 2:22ee01f24346 17 bool JAudioStream::connect(char* ip, short port, char* name) {
ollie8 1:b49a6e72f353 18 eth.init();
ollie8 1:b49a6e72f353 19 eth.connect();
ollie8 3:51a66c975910 20 socket.init();
ollie8 3:51a66c975910 21 socket.set_blocking(true);
ollie8 0:6f03883f9b43 22 remotePort = port;
ollie8 0:6f03883f9b43 23 remoteIp = ip;
ollie8 1:b49a6e72f353 24 endPoint.set_address(ip, port);
ollie8 3:51a66c975910 25 char message[MESSAGE_SIZE*2];
ollie8 0:6f03883f9b43 26 buildMeassge(cont, REQUEST_RESPONSE_MODE, name, message);
ollie8 3:51a66c975910 27 send(message, MESSAGE_SIZE*2);
ollie8 0:6f03883f9b43 28 return connected;
ollie8 0:6f03883f9b43 29 }
ollie8 0:6f03883f9b43 30
ollie8 3:51a66c975910 31 bool JAudioStream::read(char *buffer, int size) {
ollie8 6:7e366261cd93 32 TRACE("Received %s", buffer);
ollie8 3:51a66c975910 33 socket.receiveFrom(endPoint, buffer, size);
ollie8 3:51a66c975910 34 return true;
ollie8 0:6f03883f9b43 35 }
ollie8 0:6f03883f9b43 36
ollie8 0:6f03883f9b43 37 bool JAudioStream::isConnected() {
ollie8 0:6f03883f9b43 38 return connected;
ollie8 0:6f03883f9b43 39 }
ollie8 0:6f03883f9b43 40
ollie8 0:6f03883f9b43 41 void JAudioStream::request(char amount) {
ollie8 0:6f03883f9b43 42 char message[MESSAGE_SIZE];
ollie8 0:6f03883f9b43 43 buildMeassge(rqst, amount, message);
ollie8 0:6f03883f9b43 44 send(message, MESSAGE_SIZE);
ollie8 0:6f03883f9b43 45 }
ollie8 0:6f03883f9b43 46
ollie8 0:6f03883f9b43 47 void JAudioStream::disconnect() {
ollie8 0:6f03883f9b43 48 char message[MESSAGE_SIZE];
ollie8 0:6f03883f9b43 49 buildMeassge(dcon, -1, message);
ollie8 0:6f03883f9b43 50 send(message, MESSAGE_SIZE);
ollie8 0:6f03883f9b43 51 }
ollie8 0:6f03883f9b43 52
ollie8 6:7e366261cd93 53 void JAudioStream::buildMeassge(const char* cmd, int param, char* message) {
ollie8 2:22ee01f24346 54 char bParam[MESSAGE_COMP_SIZE];
ollie8 3:51a66c975910 55 intTocharArr(param, bParam);
ollie8 0:6f03883f9b43 56 char i;
ollie8 2:22ee01f24346 57 for (i=0; i<MESSAGE_COMP_SIZE; i++) {
ollie8 2:22ee01f24346 58 message[i] = cmd[i];
ollie8 0:6f03883f9b43 59 }
ollie8 2:22ee01f24346 60 for (i=MESSAGE_COMP_SIZE; i<MESSAGE_SIZE; i++) {
ollie8 2:22ee01f24346 61 message[i] = bParam[i-MESSAGE_COMP_SIZE];
ollie8 0:6f03883f9b43 62 }
ollie8 0:6f03883f9b43 63 }
ollie8 0:6f03883f9b43 64
ollie8 6:7e366261cd93 65 void JAudioStream::buildMeassge(const char* cmd, int param, char* data, char* message) {
ollie8 2:22ee01f24346 66 char bParam[MESSAGE_COMP_SIZE];
ollie8 0:6f03883f9b43 67 char i;
ollie8 2:22ee01f24346 68 for (i=0; i<MESSAGE_COMP_SIZE; i++) {
ollie8 2:22ee01f24346 69 message[i] = cmd[i];
ollie8 0:6f03883f9b43 70 }
ollie8 0:6f03883f9b43 71 intTocharArr(param, bParam);
ollie8 2:22ee01f24346 72 for (i=MESSAGE_COMP_SIZE; i<MESSAGE_SIZE; i++) {
ollie8 2:22ee01f24346 73 message[i] = bParam[i-MESSAGE_COMP_SIZE];
ollie8 0:6f03883f9b43 74 }
ollie8 0:6f03883f9b43 75 char dataSize = MESSAGE_SIZE*2;
ollie8 2:22ee01f24346 76 for (i=MESSAGE_SIZE; i<dataSize; i++) {
ollie8 0:6f03883f9b43 77 message[i] = data[i-MESSAGE_SIZE];
ollie8 0:6f03883f9b43 78 }
ollie8 0:6f03883f9b43 79 }
ollie8 0:6f03883f9b43 80
ollie8 1:b49a6e72f353 81 void JAudioStream::intTocharArr(int value, char* buff) {
ollie8 0:6f03883f9b43 82 buff[0] = (value >> 24) & 0xFF;
ollie8 0:6f03883f9b43 83 buff[1] = (value >> 16) & 0xFF;
ollie8 0:6f03883f9b43 84 buff[2] = (value >> 8) & 0xFF;
ollie8 0:6f03883f9b43 85 buff[3] = value;
ollie8 0:6f03883f9b43 86 }
ollie8 0:6f03883f9b43 87
ollie8 3:51a66c975910 88 void JAudioStream::send(char* data, int size ) {
ollie8 6:7e366261cd93 89 TRACE("Sending %s", data);
ollie8 3:51a66c975910 90 socket.sendTo(endPoint, data, size);
ollie8 0:6f03883f9b43 91 }
ollie8 0:6f03883f9b43 92
ollie8 0:6f03883f9b43 93 char* JAudioStream::getNowPlaying() {
ollie8 0:6f03883f9b43 94 return nowPlaying;
ollie8 0:6f03883f9b43 95 }
ollie8 2:22ee01f24346 96
ollie8 2:22ee01f24346 97 void JAudioStream::receive() {
ollie8 2:22ee01f24346 98 char resp[MAX_PACKT];
ollie8 3:51a66c975910 99 if (read(resp, MAX_PACKT)) {
ollie8 2:22ee01f24346 100 if (memcmp(resp, cond, 4) == 0) {
ollie8 2:22ee01f24346 101 connected = true;
ollie8 4:ebdd1cf0c9f7 102 } else if (memcmp(resp, dctd, 4) == 0) {
ollie8 4:ebdd1cf0c9f7 103 connected = false;
ollie8 2:22ee01f24346 104 } else if (memcmp(resp, hrbt, 4) == 0) {
ollie8 2:22ee01f24346 105 char message[MESSAGE_SIZE];
ollie8 2:22ee01f24346 106 buildMeassge(hrbt, -1, message);
ollie8 2:22ee01f24346 107 send(message, MESSAGE_SIZE);
ollie8 3:51a66c975910 108 } else if (memcmp(resp, begn, 4) == 0) {
ollie8 3:51a66c975910 109 memmove(&nowPlaying[0], &resp[4], 20);
ollie8 3:51a66c975910 110 inTransmission = true;
ollie8 4:ebdd1cf0c9f7 111 } else if (memcmp(resp, comt, 4) == 0) {
ollie8 4:ebdd1cf0c9f7 112 inTransmission = false;
ollie8 2:22ee01f24346 113 }
ollie8 2:22ee01f24346 114 }
ollie8 2:22ee01f24346 115 }