Initial working version.

Makefile.am

@@ -1,5 +1,4 @@
 ACLOCAL_AMFLAGS = -I m4 # use custom macro's in ./m4 
-
 lib_LTLIBRARIES=
 bin_PROGRAMS=
 include_HEADERS=
@@ -16,9 +15,6 @@ include_HEADERS=
 # -Wno-multichar - turns off multi-character constant warnings from cmAudioFile.c
 
 
-WS_DIR   = $(HOME)/sdk/libwebsockets/build/out
-
-
 AM_CPPFLAGS =   -I..  -I$(srcdir)/src/libcw
 AM_CFLAGS   = -Wno-multichar 
 AM_CXXFLAGS = -Wno-multichar
@@ -38,7 +34,7 @@ endif
 if OS_LINUX
 
 if OS_64
-  AM_LDFLAGS +=  -L/usr/lib64
+  AM_LDFLAGS += -L/usr/lib64/atlas -L/usr/lib64
   AM_CFLAGS  += -m64
 endif	
 
@@ -86,8 +82,6 @@ if cwWEB
 endif
 
 if cwWEBSOCK
-  # AM_CPPFLAGS += -I$(WS_DIR)/include
-  # AM_LDFLAGS  += -L$(WS_DIR)/lib
   src_proj_proj_LDADD +=  -lwebsockets
 endif
 

build/linux/debug/build.sh

@@ -16,8 +16,6 @@ cd ${curdir}
 --enable-alsa \
 CFLAGS="-g -Wall" \
 CXXFLAGS="-g -Wall" \
-CPPFLAGS="-I${HOME}/sdk/libwebsockets/build/out/include" \
-LDFLAGS="-L${HOME}/sdk/libwebsockets/build/out/lib" \
 LIBS=
 
 

src/proj/html/css/preset_sel.css

@@ -0,0 +1,59 @@
+
+
+.fragList {
+    border: 1px solid LightSteelBlue;
+    width: 1000px;
+    height: 450px;
+}
+
+.fragList label {
+    width: 50px;
+    background-color: LightBlue;
+}
+
+.fragList .uiNumbDisp {
+    width: 25px;
+}
+
+.fragPanel {
+    border: 1px solid LightSteelBlue;
+    padding-bottom: 5px;
+    padding-top: 5px;
+}
+
+.fragPanelRow {
+    padding-right: 15px;
+    padding-left: 15px;
+    justify-content: space-around;
+}
+
+.fragPresetCtl {
+    width: 50px;
+}
+
+.fragPresetCtl:nth-of-type(even){
+    border: 1px solid Yellow;
+}
+
+.fragPresetCtl .uiNumber {
+    border: 1px solid LightSteelBlue;
+    width: 80%;
+}
+
+.fragPresetCtl .uiString {
+    border: 1px solid LightSteelBlue;
+    width: 80%;
+}
+
+.fragNote {
+    width: 575px;
+}
+
+.uiRow {
+    padding-bottom: 5px;
+    padding-top: 5px;
+}
+
+.velTunerPanel {
+    border: 1px solid black;
+}

src/proj/html/css/ui.css

@@ -0,0 +1,148 @@
+
+body {
+    background-color: LightCyan;
+}
+
+
+.title_disconnected {
+    color: red;
+}
+
+.title_connected {
+    color: green;
+}
+
+input, label, button, select {
+    font-family: sans-serif;
+    font-size: 10px;
+    height: 20px;
+}
+
+
+div {
+    /*border: 1px solid black;    */
+    background-color: LightSteelBlue;
+}
+
+div p {
+    font-family: sans-serif;
+    font-size: 12px;
+    margin-top: 2px;
+    margin-bottom: 2px;
+    background-color: LightSteelBlue;
+}
+
+label {
+    /*border: 1px solid red;*/
+    width: 50px;
+    padding-left: 10px;
+    margin-top: 3px;
+}
+
+
+
+.uiCtlDiv {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    background-color: LightBlue;
+}
+
+.uiCtlDiv input {
+    background-color: PowderBlue;
+}
+
+.uiNumberDiv input {
+    width: 50px;
+}
+
+.uiPanel {
+    background-color: LightBlue;
+}
+
+.uiRow {    
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    background-color: LightBlue;
+}
+
+.uiCol  {    
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    background-color: LightBlue;
+}
+
+
+/* outer log div - contains the log label and the log scroller */
+.uiLogDiv {
+    display: flex;
+    flex-direction: column;
+
+    align-items: flex-start;     /* left justify */
+    align-content: flex-stretch; /* fill horizontal space */
+    
+}
+
+.uiLogDiv label {
+    width: 100%;
+    background-color: LightSteelBlue;
+
+}
+
+
+/* log scroller */
+.uiLog {
+    display:flex;
+    flex-direction: column;
+
+    height: 150px;
+    overflow-x: hidden; /* 'hidden' to remove x scroll bar */
+    overflow-y: auto; 
+    width: 100%;
+
+    background-color: PowderBlue;
+    
+}
+
+/* The log text */
+.uiLog pre {	
+}
+
+
+/* outer list div - contains the list label and the list scroller */
+.uiListDiv {
+    display: flex;
+    flex-direction: column;
+
+    align-items: flex-start;     /* left justify */
+    align-content: flex-stretch; /* fill horizontal space */
+    
+}
+
+.uiListDiv label {
+    width: 100%;
+    background-color: LightSteelBlue;
+
+}
+
+.uiList {
+    display:flex;
+    flex-direction: column;
+    
+    height: 100px;
+    overflow-x: hidden; /* 'hidden' to remove scroll bar */
+    overflow-y: auto; 
+    width: 100%;
+
+    background-color: PowderBlue;    
+}
+
+.uiStringDisp {
+    width: 100%;
+}
+
+.uiSelected {
+    border: 1px solid blue;
+}

src/proj/html/index.html

@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta charset="utf-8">
+    <title>Preset Selection App</title>
+    <script type="text/javascript" src="js/ui.js"></script>
+    <link href="css/ui.css" rel="stylesheet">
+    <link href="css/preset_sel.css" rel="stylesheet">
+
+    <script text="text/javascript">
+      window.addEventListener("load",main, false )
+    </script>
+    
+  </head>
+  <body>
+
+    <div id="appTitleDiv" class="uiRow">
+      <p id="appTitleId">Preset Selection:</p>
+      <p id="connectTitleId">Disconnected</p>
+    </div>
+
+      
+  </body>
+</html>

src/proj/html/ui.cfg

@@ -0,0 +1,25 @@
+{
+    main: { 
+	parent: "uiDivId"
+
+	panel: {
+	    
+	    name: "panelDivId",
+	    title: "",
+	    
+	    row: {
+		button:{ name: quitBtnId,     title:"Quit"   },
+		button:{ name: ioReportBtnId, title:"IO Report" },
+		button:{ name: netPrintBtnId, title:"Print Network" }
+		button:{ name: reportBtnId,   title:"App Report" },
+		button:{ name: latencyBtnId,  title:"Latency Reset"},
+	    },
+
+            row: {
+	      number: { name:valueNumbId, title:"Value", min:0, max:10, step:1, decpl:0 },
+	    }
+
+	 }
+     }
+    
+}

src/proj/main.cfg

@@ -1,3 +1,104 @@
 {
-  param: "hello"
+  param: 5,
+
+  libcw: {
+
+	    io: {
+	      callbackMutexTimeOutMs: 100,
+	    }
+
+            ui: {
+                  physRootDir: "~/src/cw_io_template/src/proj/html",
+                  dfltPageFn:  "index.html",
+                  port: 5687,
+                  rcvBufByteN: 2048,
+                  xmtBufByteN: 2048,
+                  fmtBufByteN: 4096,
+                  websockTimeOutMs: 50,   // max time out while blocking for a websock event
+		  idleMsgPeriodMs: 50,    // period without messages before an idle message is generated
+                  uiCfgFn: "ui.cfg",      // default UI resource description
+		  asyncFl: false
+            },
+
+            serial: {
+		   pollPeriodMs: 50,
+		   recvBufByteN: 512,
+
+		   array: [
+		     {
+		       enableFl: false,
+		       asyncFl: false,
+                       label:   "port1",        // User label
+                       device: "/dev/ttyUSB0",  // Serial device name
+                       baud:   115200,
+                       bits:   8,
+                       stop:   1,
+                       parity: "no",
+		     }
+		   ]		   
+                },
+                            
+              midi: {
+                 parseBufByteCnt: 1024,
+		 appNameStr: "cwtest",
+		 fileDevName: "file_dev",
+		 fileDevReadAheadMicros: 3000,
+		 testFileLabel: "file_0",
+		 testFileEnableFl: false
+
+        	 file_ports: [
+	  
+		  { "label":"file_0",
+	            //"file": "/home/kevin/src/cwtest/src/cwtest/cfg/gutim_full/data1/beck1/record_4/midi.mid",
+	            "enable_fl": false },
+                 ]
+
+		 asyncFl: true,		 
+              },
+          
+              audio: {
+                  meterMs: 50,          // audio meter filter length and meter callback period
+		  threadTimeOutMs: 50,  // audio thread cond var time out
+
+		  groupL: [
+		    {
+		      enableFl:       false,   // (req)
+		      asyncFl:        true,
+		      label:          "main", // (req) User label 
+		      id:                0,   // (req) User id (can also be set at runtime)
+                      srate:         48000,   // (req) Sample rate used by all devices in this group
+		      dspFrameCnt:      64    // (req) Size of DSP processing buffers 
+		    }
+		  ],
+                  
+                  deviceL: [
+                  {
+		    // System device name
+
+		    //device:       "Scarlett 18i20 USB USB Audio",
+		    device:       "USB Audio CODEC USB Audio",
+		    //device:       "HDA Intel PCH CS4208 Analog",
+		    
+                    activeFl:      false,   // (req)
+		    meterFl:        true,   // (opt)
+		    label:        "main",   // (req) User label
+		    userId:            0,   // (opt) User id (can also be set at runtime)
+		    framesPerCycle:  512,   // (req) Samples per audio device cycle
+                    cycleCnt:          3,   // (req) Count of device cycle buffers.		    
+		    inGroup:      "main",   // (opt) All devices in a group must be 'ready' to source
+		    outGroup:     "main",   // (opt) or sink data before an audio callback is made for that group
+                  }
+                ]
+            },
+
+	    socket: {
+	       asyncFl: false,
+               maxSocketCnt: 10,
+	       recvBufByteCnt: 4096,
+	       threadTimeOutMs: 50,
+	       socketL: [],	       
+	    }
+
+  }
+
 }

src/proj/main.cpp

@@ -4,46 +4,272 @@
 #include "cwText.h"
 #include "cwObject.h"
 
+#include "cwIo.h"
+
 using namespace cw;
 
+typedef struct app_str
+{
+  object_t*       cfg;
+  unsigned        value;
+  const object_t* io_cfg;
+  io::handle_t    ioH;
+} app_t;
+
+enum
+{
+  kPanelDivId,   
+  kQuitBtnId,    
+  kIoReportBtnId,
+  kNetPrintBtnId,
+  kReportBtnId,  
+  kLatencyBtnId, 
+  kValueNumbId
+};
+
+ui::appIdMap_t  appIdMapA[] = {
+  
+  { ui::kRootAppId,  kPanelDivId,     "panelDivId" },
+  { kPanelDivId,     kQuitBtnId,      "quitBtnId" },
+  { kPanelDivId,     kIoReportBtnId,  "ioReportBtnId" },
+  { kPanelDivId,     kNetPrintBtnId,  "netPrintBtnId" },
+  { kPanelDivId,     kReportBtnId,    "reportBtnId" },
+  { kPanelDivId,     kLatencyBtnId,   "latencyBtnId" },
+  { kPanelDivId,     kValueNumbId,    "valueNumbId" }
+};
+
+const unsigned appIdMapN = sizeof(appIdMapA)/sizeof(appIdMapA[0]);
+  
 void print( void* arg, const char* text )
 {
   printf("%s\n",text);
 }
 
-int main( int argc, char* argv[] )
+
+rc_t _ui_value_callback(app_t* app, const io::ui_msg_t& m )
+{
+  switch( m.appId )
+  {
+    case kQuitBtnId:
+      io::stop( app->ioH );
+      break;
+      
+    case kIoReportBtnId:
+      io::report(app->ioH);
+      break;
+      
+    case kNetPrintBtnId:
+      break;
+      
+    case kReportBtnId:
+      break;
+      
+    case kLatencyBtnId:
+      latency_measure_report(app->ioH);
+      latency_measure_setup(app->ioH);
+      break;
+      
+    case kValueNumbId:
+      app->value = m.value->u.u;
+      cwLogInfo("Setting value:%i",app->value);
+      break;
+    
+  }
+  return kOkRC;
+}
+
+rc_t _ui_echo_callback(app_t* app, const io::ui_msg_t& m )
+{
+  switch( m.appId )
+  {
+    case kValueNumbId:
+      {
+        uiSendValue( app->ioH, io::uiFindElementUuId( app->ioH, kValueNumbId ), app->value );
+      }
+      break;
+    
+  }
+  return kOkRC;
+}
+
+rc_t _ui_callback( app_t* app, const io::ui_msg_t& m )
 {
   rc_t rc = kOkRC;
-  object_t* cfg = nullptr;
-  cw::log::createGlobal();
       
-  cwLogInfo("Project template: args:%i", argc);
+  switch( m.opId )
+  {
+    case ui::kConnectOpId:
+      cwLogInfo("UI Connected: wsSessId:%i.",m.wsSessId);
+      break;
+          
+    case ui::kDisconnectOpId:
+      cwLogInfo("UI Disconnected: wsSessId:%i.",m.wsSessId);          
+      break;
+          
+    case ui::kInitOpId:
+      cwLogInfo("UI Init.");
+      break;
+
+    case ui::kValueOpId:
+      _ui_value_callback( app, m );
+      break;
+
+    case ui::kCorruptOpId:
+      cwLogInfo("UI Corrupt.");
+      break;
+
+    case ui::kClickOpId:
+      cwLogInfo("UI Click.");
+      break;
+
+    case ui::kSelectOpId:
+      cwLogInfo("UI Select.");
+      break;
+        
+    case ui::kEchoOpId:
+      _ui_echo_callback( app, m );
+      break;
+
+    case ui::kIdleOpId:
+      break;
+          
+    case ui::kInvalidOpId:
+      // fall through
+    default:
+      assert(0);
+      break;
+        
+  }
+
+  return rc;
+}
+
+
+rc_t _io_callback( void* arg, const io::msg_t* m )
+{
+  app_t* app = (app_t*)arg;
+  
+  switch( m->tid )
+  {
+    case io::kThreadTId:
+      break;
+      
+    case io::kTimerTId:
+      break;
+      
+    case io::kSerialTId:
+      break;
+      
+    case io::kMidiTId:
+      break;
+      
+    case io::kAudioTId:
+      break;
+      
+    case io::kAudioMeterTId:
+      break;
+      
+    case io::kSockTId:
+      break;
+      
+    case io::kWebSockTId:
+      break;
+      
+    case io::kUiTId:
+      _ui_callback(app,m->u.ui);
+      break;
+      
+    case io::kExecTId:
+      break;
+      
+    default:
+      assert(0);
+  }
+  
+  return kOkRC;
+}
+
+rc_t _parse_cfg( app_t& app, int argc, char* argv[] )
+{
+  rc_t rc = kOkRC;
   
   if( argc < 2 || textLength(argv[1])==0 )
   {
-    cwLogError(kInvalidArgRC,"No cfg. file was given.");
+    rc = cwLogError(kInvalidArgRC,"No cfg. file was given.");
     goto errLabel;
   }
   else
   {
-    const char* val = nullptr;
+    if((rc = objectFromFile(argv[1],app.cfg)) != kOkRC )
-    
-    if((rc = objectFromFile(argv[1],cfg)) != kOkRC )
     {
-      cwLogError(rc,"The file '%s'.",argv[1]);
+      rc = cwLogError(rc,"The file '%s'.",argv[1]);
       goto errLabel;
     }
 
-    if((rc = cfg->getv("param",val)) != kOkRC )
+    if((rc = app.cfg->getv("param", app.value,
+                           "libcw", app.io_cfg)) != kOkRC )
     {
-      cwLogError(kSyntaxErrorRC,"The 'param' cfg. field was not found.");
+      rc = cwLogError(kSyntaxErrorRC,"The 'param' cfg. field was not found.");
       goto errLabel;
     }
 
-    cwLogInfo("param=%s",cwStringNullGuard(val));
   }
+errLabel:
+  if( rc != kOkRC )
+    rc = cwLogError(rc,"App. cfg. parse failed.");
+  return rc;
+}
+
+int main( int argc, char* argv[] )
+{
+  rc_t  rc  = kOkRC;
+  app_t app = {};
+  cw::log::createGlobal();
+  
+  cwLogInfo("Project template: args:%i", argc);
+
+  if((rc = _parse_cfg(app,argc,argv)) != kOkRC )
+    goto errLabel;
+  
+  if((rc = create( app.ioH, app.io_cfg, _io_callback, &app, appIdMapA, appIdMapN ) ) != kOkRC )
+  {
+    rc = cwLogError(rc,"IO create failed.");
+    goto errLabel;
+  }
+
+  
+  // start the IO framework instance
+  if((rc = io::start(app.ioH)) != kOkRC )
+  {
+    rc = cwLogError(rc,"Preset-select app start failed.");
+    goto errLabel;    
+  }
+
+  //io::uiReport(app.ioH);
+
+  
+  // execute the io framework
+  while( !io::isShuttingDown(app.ioH))
+  {
+    // This call will block on the websocket handle
+    // for up to io_cfg->ui.websockTimeOutMs milliseconds
+    io::exec(app.ioH);
+
+
+  }
+
+  // stop the io framework
+  if((rc = io::stop(app.ioH)) != kOkRC )
+  {
+    rc = cwLogError(rc,"IO API stop failed.");
+    goto errLabel;    
+  }
+
 
 errLabel:
+  destroy(app.ioH);
+  if( app.cfg != nullptr )
+    app.cfg->free();
   cw::log::destroyGlobal();
 
   return 0;