httpserverapp.cpp

00001 //*****************************************************************************
00002 // httpserver_app.c
00003 //
00004 // camera application macro & APIs
00005 //
00006 // Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
00007 //
00008 //
00009 //  Redistribution and use in source and binary forms, with or without
00010 //  modification, are permitted provided that the following conditions
00011 //  are met:
00012 //
00013 //    Redistributions of source code must retain the above copyright
00014 //    notice, this list of conditions and the following disclaimer.
00015 //
00016 //    Redistributions in binary form must reproduce the above copyright
00017 //    notice, this list of conditions and the following disclaimer in the
00018 //    documentation and/or other materials provided with the
00019 //    distribution.
00020 //
00021 //    Neither the name of Texas Instruments Incorporated nor the names of
00022 //    its contributors may be used to endorse or promote products derived
00023 //    from this software without specific prior written permission.
00024 //
00025 //  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
00026 //  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00027 //  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
00028 //  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
00029 //  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00030 //  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00031 //  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00032 //  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00033 //  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00034 //  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00035 //  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00036 //
00037 //*****************************************************************************
00038 //*****************************************************************************
00039 //
00040 //! \addtogroup Httpserverapp
00041 //! @{
00042 //
00043 //*****************************************************************************
00044 
00045 #include <string.h>
00046 #include <stdlib.h>
00047 
00048 // SimpleLink include
00049 #include "cc3100_simplelink.h"
00050 #include "cc3100_sl_common.h"
00051 
00052 // Free-RTOS/TI-RTOS include
00053 #include "FreeRTOS.h"
00054 #include "osi.h"
00055 //#include "semphr.h"
00056 
00057 // HTTP lib includes
00058 #include "HttpCore.h"
00059 #include "HttpRequest.h"
00060 
00061 #include "websocketapp.h"
00062 #include "httpserverapp.h"
00063 #include "camera_app.h"
00064 #include "i2cconfig.h"
00065 #include "mt9d111.h"
00066 #include "cli_uart.h"
00067 #include "app_config.h"
00068 #include "myBoardInit.h"
00069 #include "HttpDebug.h"
00070 
00071 using namespace mbed_cc3100;
00072 
00073 cc3100 _cc3100_Mod(NC, NC, PD_12, PD_13, PD_11, SPI(PC_3, PC_2, PB_10));//Seeed_Arch_Max  irq, nHib, cs, mosi, miso, sck
00074 
00075 /****************************************************************************/
00076 /*              MACROS                                      */
00077 /****************************************************************************/
00078 
00079 
00080 /****************************************************************************
00081                               Global variables
00082 ****************************************************************************/
00083 char *g_Buffer;
00084 UINT8 g_success = 0;
00085 int g_close = 0;
00086 UINT16 g_uConnection;
00087 OsiTaskHandle g_iCameraTaskHdl = 0;
00088 
00089 void WebSocketCloseSessionHandler()
00090 {
00091     g_close = 1;
00092 }
00093 
00094 void CameraAppTask(void *param)
00095 {
00096     UINT8 Opcode = 0x02;
00097     struct HttpBlob Write;
00098 #ifdef ENABLE_JPEG
00099 //  InitCameraComponents(640, 480);
00100     InitCameraComponents(320, 240);
00101 #else
00102     InitCameraComponents(240, 256);
00103 #endif    
00104     
00105     while(1)
00106     {
00107         if(g_close == 0)
00108         {
00109             Write.uLength = StartCamera((char **)&Write.pData);
00110             if(!sl_WebSocketSend(g_uConnection, Write, Opcode))
00111             {
00112                 Uart_Write((uint8_t*)"sl_WebSocketSend failed.\n\r");
00113                 while(1);
00114             }
00115         }
00116     }
00117 
00118 }
00119 
00120 
00121 /*!
00122  *  \brief                  This websocket Event is called when WebSocket Server receives data
00123  *                          from client.
00124  *
00125  *
00126  *  \param[in]  uConnection Websocket Client Id
00127  *  \param[in] *ReadBuffer      Pointer to the buffer that holds the payload.
00128  *
00129  *  \return                 none.
00130  *                      
00131  */
00132 void WebSocketRecvEventHandler(UINT16 uConnection, char *ReadBuffer)
00133 {
00134     char *camera = "capture";
00135 
00136     /*
00137      * UINT8 Opcode;
00138      * struct HttpBlob Write;
00139     */
00140 
00141     g_uConnection = uConnection;
00142 
00143     g_Buffer = ReadBuffer;
00144     g_close = 0;
00145     if (!strcmp(ReadBuffer,camera))
00146     {
00147         if(!g_iCameraTaskHdl)
00148         {
00149             osi_TaskCreate(CameraAppTask,
00150                                    "CameraApp",
00151                                     1024,
00152                                     NULL,
00153                                     CAMERA_SERVICE_PRIORITY,
00154                                     &g_iCameraTaskHdl);
00155         }
00156 
00157     }
00158     //Free memory as we are not using anywhere later
00159     free(g_Buffer);
00160     g_Buffer = NULL;
00161     /* Enter websocket application code here */
00162     return;
00163 }
00164 
00165 
00166 /*!
00167  *  \brief                      This websocket Event indicates successful handshake with client
00168  *                              Once this is called the server can start sending data packets over websocket using
00169  *                              the sl_WebSocketSend API.
00170  *
00171  *
00172  *  \param[in] uConnection          Websocket Client Id
00173  *
00174  *  \return                     none
00175  */
00176 void WebSocketHandshakeEventHandler(UINT16 uConnection)
00177 {
00178     g_success = 1;
00179     g_uConnection = uConnection;
00180 }
00181 
00182 
00183 //****************************************************************************
00184 //
00185 //! Task function start the device and crete a TCP server showcasing the smart
00186 //! plug
00187 //!
00188 //****************************************************************************
00189 
00190 
00191 void HttpServerAppTask(void * param)
00192 {
00193     int32_t lRetVal = -1;
00194     
00195     //Start SimpleLink in AP Mode
00196     lRetVal = _cc3100_Mod.Network_AP_InitDriver();
00197 //  lRetVal = _cc3100_Mod.Network_IF_InitDriver(ROLE_AP);
00198     if(lRetVal < 0)
00199     {
00200         Uart_Write((uint8_t*)"Start SimpleLink in AP Mode Failed \n\r");
00201         LOOP_FOREVER();
00202     }   
00203     osi_Sleep(2);
00204     //Stop Internal HTTP Server
00205     lRetVal = _cc3100_Mod._netapp.sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
00206     if(lRetVal < 0)
00207     {
00208         Uart_Write((uint8_t*)"Stop Internal HTTP Server Failed \n\r");
00209         LOOP_FOREVER();
00210     }   
00211     Uart_Write((uint8_t*)"HttpServerAppTask \n\r");
00212     //Run APPS HTTP Server
00213     HttpServerInitAndRun(NULL);
00214     
00215     Uart_Write((uint8_t*)"HttpServerAppTask has returned for some reason\n\r");
00216     LOOP_FOREVER();
00217 
00218 }
00219 
00220 //*****************************************************************************
00221 //
00222 // Close the Doxygen group.
00223 //! @}
00224 //
00225 //*****************************************************************************
00226