Ollie Milton / LibJAudioStream

MBED implementation of JAudioStream

JAudioStream.cpp@3:51a66c975910, 2015-08-14 (annotated)

Committer:
ollie8
Date:
Fri Aug 14 15:54:03 2015 +0000
Revision:
3:51a66c975910
Parent:
2:22ee01f24346
Child:
4:ebdd1cf0c9f7
Almost working, still fucked though!!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ollie8 0:6f03883f9b43 1 #include "JAudioStream.h"
ollie8 2:22ee01f24346 2 #define DEBUG
ollie8 2:22ee01f24346 3 #include "logger.h"
ollie8 0:6f03883f9b43 4
ollie8 0:6f03883f9b43 5 JAudioStream::JAudioStream() {
ollie8 2:22ee01f24346 6 cont = "cont";
ollie8 2:22ee01f24346 7 cond = "cond";
ollie8 2:22ee01f24346 8 dcon = "dcon";
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 2:22ee01f24346 32 INFO("Reading...");
ollie8 3:51a66c975910 33 socket.receiveFrom(endPoint, buffer, size);
ollie8 3:51a66c975910 34 INFO("Received: %s", buffer);
ollie8 3:51a66c975910 35 return true;
ollie8 0:6f03883f9b43 36 }
ollie8 0:6f03883f9b43 37
ollie8 0:6f03883f9b43 38 bool JAudioStream::isConnected() {
ollie8 0:6f03883f9b43 39 return connected;
ollie8 0:6f03883f9b43 40 }
ollie8 0:6f03883f9b43 41
ollie8 0:6f03883f9b43 42 void JAudioStream::request(char amount) {
ollie8 0:6f03883f9b43 43 char message[MESSAGE_SIZE];
ollie8 0:6f03883f9b43 44 buildMeassge(rqst, amount, message);
ollie8 0:6f03883f9b43 45 send(message, MESSAGE_SIZE);
ollie8 0:6f03883f9b43 46 }
ollie8 0:6f03883f9b43 47
ollie8 0:6f03883f9b43 48 void JAudioStream::disconnect() {
ollie8 0:6f03883f9b43 49 char message[MESSAGE_SIZE];
ollie8 0:6f03883f9b43 50 buildMeassge(dcon, -1, message);
ollie8 0:6f03883f9b43 51 send(message, MESSAGE_SIZE);
ollie8 0:6f03883f9b43 52 }
ollie8 0:6f03883f9b43 53
ollie8 2:22ee01f24346 54 void JAudioStream::buildMeassge(char* cmd, int param, char* message) {
ollie8 2:22ee01f24346 55 char bParam[MESSAGE_COMP_SIZE];
ollie8 3:51a66c975910 56 intTocharArr(param, bParam);
ollie8 0:6f03883f9b43 57 char i;
ollie8 2:22ee01f24346 58 for (i=0; i<MESSAGE_COMP_SIZE; i++) {
ollie8 2:22ee01f24346 59 message[i] = cmd[i];
ollie8 0:6f03883f9b43 60 }
ollie8 2:22ee01f24346 61 for (i=MESSAGE_COMP_SIZE; i<MESSAGE_SIZE; i++) {
ollie8 2:22ee01f24346 62 message[i] = bParam[i-MESSAGE_COMP_SIZE];
ollie8 0:6f03883f9b43 63 }
ollie8 0:6f03883f9b43 64 }
ollie8 0:6f03883f9b43 65
ollie8 2:22ee01f24346 66 void JAudioStream::buildMeassge(char* cmd, int param, char* data, char* message) {
ollie8 3:51a66c975910 67 INFO("Building message...");
ollie8 2:22ee01f24346 68 char bParam[MESSAGE_COMP_SIZE];
ollie8 0:6f03883f9b43 69 char i;
ollie8 3:51a66c975910 70 INFO("Adding command");
ollie8 2:22ee01f24346 71 for (i=0; i<MESSAGE_COMP_SIZE; i++) {
ollie8 2:22ee01f24346 72 message[i] = cmd[i];
ollie8 3:51a66c975910 73 INFO("char = %u", message[i]);
ollie8 0:6f03883f9b43 74 }
ollie8 3:51a66c975910 75 INFO("Adding param");
ollie8 0:6f03883f9b43 76 intTocharArr(param, bParam);
ollie8 2:22ee01f24346 77 for (i=MESSAGE_COMP_SIZE; i<MESSAGE_SIZE; i++) {
ollie8 2:22ee01f24346 78 message[i] = bParam[i-MESSAGE_COMP_SIZE];
ollie8 3:51a66c975910 79 INFO("char = %u", message[i]);
ollie8 0:6f03883f9b43 80 }
ollie8 3:51a66c975910 81 INFO("Adding data");
ollie8 0:6f03883f9b43 82 char dataSize = MESSAGE_SIZE*2;
ollie8 2:22ee01f24346 83 for (i=MESSAGE_SIZE; i<dataSize; i++) {
ollie8 0:6f03883f9b43 84 message[i] = data[i-MESSAGE_SIZE];
ollie8 3:51a66c975910 85 INFO("char = %u", message[i]);
ollie8 0:6f03883f9b43 86 }
ollie8 3:51a66c975910 87 INFO("Message complete. %d", sizeof(message));
ollie8 0:6f03883f9b43 88 }
ollie8 0:6f03883f9b43 89
ollie8 1:b49a6e72f353 90 void JAudioStream::intTocharArr(int value, char* buff) {
ollie8 0:6f03883f9b43 91 buff[0] = (value >> 24) & 0xFF;
ollie8 0:6f03883f9b43 92 buff[1] = (value >> 16) & 0xFF;
ollie8 0:6f03883f9b43 93 buff[2] = (value >> 8) & 0xFF;
ollie8 0:6f03883f9b43 94 buff[3] = value;
ollie8 0:6f03883f9b43 95 }
ollie8 0:6f03883f9b43 96
ollie8 3:51a66c975910 97 void JAudioStream::send(char* data, int size ) {
ollie8 3:51a66c975910 98 INFO("Sending: %s %d", data, size);
ollie8 3:51a66c975910 99 socket.sendTo(endPoint, data, size);
ollie8 0:6f03883f9b43 100 }
ollie8 0:6f03883f9b43 101
ollie8 0:6f03883f9b43 102 char* JAudioStream::getNowPlaying() {
ollie8 0:6f03883f9b43 103 return nowPlaying;
ollie8 0:6f03883f9b43 104 }
ollie8 2:22ee01f24346 105
ollie8 2:22ee01f24346 106 void JAudioStream::receive() {
ollie8 2:22ee01f24346 107 char resp[MAX_PACKT];
ollie8 3:51a66c975910 108 if (read(resp, MAX_PACKT)) {
ollie8 2:22ee01f24346 109 if (memcmp(resp, cond, 4) == 0) {
ollie8 2:22ee01f24346 110 connected = true;
ollie8 2:22ee01f24346 111 } else if (memcmp(resp, hrbt, 4) == 0) {
ollie8 2:22ee01f24346 112 char message[MESSAGE_SIZE];
ollie8 2:22ee01f24346 113 buildMeassge(hrbt, -1, message);
ollie8 2:22ee01f24346 114 send(message, MESSAGE_SIZE);
ollie8 3:51a66c975910 115 } else if (memcmp(resp, begn, 4) == 0) {
ollie8 3:51a66c975910 116 memmove(&nowPlaying[0], &resp[4], 20);
ollie8 3:51a66c975910 117 inTransmission = true;
ollie8 2:22ee01f24346 118 }
ollie8 2:22ee01f24346 119 }
ollie8 2:22ee01f24346 120 }