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 "osi.h"
00054 
00055 // HTTP lib includes
00056 #include "HttpCore.h"
00057 #include "HttpRequest.h"
00058 
00059 #include "websocketapp.h"
00060 #include "httpserverapp.h"
00061 #include "camera_app.h"
00062 
00063 #include "ArduCAM.h"
00064 #include "cli_uart.h"
00065 #include "app_config.h"
00066 #include "myBoardInit.h"
00067 #include "HttpDebug.h"
00068 
00069 using namespace mbed_cc3100;
00070 
00071 cc3100 _cc3100_Mod(NC, NC, p9, p10, p8, SPI(p5, p6, p7));//LPC1768  irq, nHib, cs, mosi, miso, sck
00072 
00073 ArduCAM CAM(OV5642, p14, SPI(p11, p12, p13), I2C(p28, p27));
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 
00090 void WebSocketCloseSessionHandler()
00091 {
00092     g_close = 1;
00093 }
00094 
00095 void CameraAppTask(void *param)
00096 {
00097     UINT8 Opcode = 0x02;
00098     struct HttpBlob Write;
00099     
00100       /* Reset cam */
00101 //    CAM.set_bit(ARDUCHIP_GPIO,GPIO_RESET_MASK);
00102 //    wait_ms(50);
00103 //    CAM.clear_bit(ARDUCHIP_GPIO,GPIO_RESET_MASK);
00104 //    wait(1);
00105     CAM.write_reg(ARDUCHIP_MODE, 0x00);
00106      
00107     
00108 #ifdef ENABLE_JPEG
00109     InitCameraComponents(320, 240);
00110 #else
00111     InitCameraComponents(240, 256);
00112 #endif    
00113     
00114     while(1)
00115     {
00116         if(g_close == 0)
00117         {
00118             Write.uLength = StartCamera((char **)&Write.pData);
00119             if(!sl_WebSocketSend(g_uConnection, Write, Opcode))
00120             {
00121                 Uart_Write((uint8_t*)"sl_WebSocketSend failed.\n\r");
00122                 while(1);
00123             }
00124         }
00125     }
00126 
00127 }
00128 
00129 
00130 /*!
00131  *  \brief                  This websocket Event is called when WebSocket Server receives data
00132  *                          from client.
00133  *
00134  *
00135  *  \param[in]  uConnection Websocket Client Id
00136  *  \param[in] *ReadBuffer      Pointer to the buffer that holds the payload.
00137  *
00138  *  \return                 none.
00139  *                      
00140  */
00141 void WebSocketRecvEventHandler(UINT16 uConnection, char *ReadBuffer)
00142 {
00143     char *camera = "capture";
00144 
00145     /*
00146      * UINT8 Opcode;
00147      * struct HttpBlob Write;
00148     */
00149 
00150     g_uConnection = uConnection;
00151 
00152     g_Buffer = ReadBuffer;
00153     g_close = 0;
00154     if (!strcmp(ReadBuffer,camera))
00155     {
00156         if(!g_iCameraTaskHdl)
00157         {
00158             osi_TaskCreate(CameraAppTask,
00159                                    "CameraApp",
00160                                     1024,
00161                                     NULL,
00162                                     CAMERA_SERVICE_PRIORITY,
00163                                     &g_iCameraTaskHdl);
00164         }
00165 
00166     }
00167     //Free memory as we are not using anywhere later
00168     free(g_Buffer);
00169     g_Buffer = NULL;
00170     /* Enter websocket application code here */
00171     return;
00172 }
00173 
00174 
00175 /*!
00176  *  \brief                      This websocket Event indicates successful handshake with client
00177  *                              Once this is called the server can start sending data packets over websocket using
00178  *                              the sl_WebSocketSend API.
00179  *
00180  *
00181  *  \param[in] uConnection          Websocket Client Id
00182  *
00183  *  \return                     none
00184  */
00185 void WebSocketHandshakeEventHandler(UINT16 uConnection)
00186 {
00187     g_success = 1;
00188     g_uConnection = uConnection;
00189 }
00190 
00191 
00192 //****************************************************************************
00193 //
00194 //! Task function start the device and crete a TCP server showcasing the smart
00195 //! plug
00196 //!
00197 //****************************************************************************
00198 
00199 
00200 void HttpServerAppTask(void * param)
00201 {
00202     int32_t lRetVal = -1;
00203     Uart_Write((uint8_t*)"Start SimpleLink in AP Mode \n\r");
00204     //Start SimpleLink in AP Mode
00205     lRetVal = _cc3100_Mod.Network_IF_InitDriver(ROLE_AP);
00206     if(lRetVal < 0)
00207     {
00208         Uart_Write((uint8_t*)"Start SimpleLink in AP Mode Failed \n\r");
00209         LOOP_FOREVER();
00210     }   
00211 
00212     //Stop Internal HTTP Server
00213     lRetVal = _cc3100_Mod._netapp.sl_NetAppStop(SL_NET_APP_HTTP_SERVER_ID);
00214     if(lRetVal < 0)
00215     {
00216         Uart_Write((uint8_t*)"Stop Internal HTTP Server Failed \n\r");
00217         LOOP_FOREVER();
00218     }   
00219     Uart_Write((uint8_t*)"HttpServerAppTask \n\r");
00220     //Run APPS HTTP Server
00221     HttpServerInitAndRun(NULL);
00222     
00223     Uart_Write((uint8_t*)"HttpServerAppTask has returned for some reason\n\r");
00224     LOOP_FOREVER();
00225 
00226 }
00227 
00228 //*****************************************************************************
00229 //
00230 // Close the Doxygen group.
00231 //! @}
00232 //
00233 //*****************************************************************************
00234 
00235 
00236 
00237