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Hello  Shanmathi, thanks for the hint with the  HttpMsg_setContentType i set it to "Text/Plain" and could succesfully send the message. But in my App i recieved just an empty  object {}. If i print my  "HTTPRestClientPostInfo.Payload"(publishBuffer) in Console before i do the post request, i get the following : {"xdk_2":{"Environment":{"temperature": 20941, "humidity": 34, "light": 0}}} This should be in correct JSON or isn´t it? Best regards Felix ... View more

Hello Mahalingam, super strange.. your solution worked!  Maybe there was a problem cause i didnt create a new Project, instead just modify the hhtp example. Anyway, thank you very much 🙂 best regards  Felix ... View more

Hello  Mahalingam, i included the "XDK_Sensor.h". Here is my code: #include "XdkAppInfo.h" #undef BCDS_MODULE_ID /* Module ID define before including Basics package*/ #define BCDS_MODULE_ID XDK_APP_MODULE_ID_APP_CONTROLLER /* own header files */ #include "AppController.h" /* system header files */ #include <stdio.h> /* additional interface header files */ #include "XDK_Sensor.h" #include "XDK_WLAN.h" #include "XDK_ServalPAL.h" #include "XDK_HTTPRestClient.h" #include "XDK_SNTP.h" #include "BCDS_BSP_Board.h" #include "BCDS_WlanNetworkConfig.h" #include "BCDS_WlanNetworkConnect.h" #include "BCDS_CmdProcessor.h" #include "BCDS_Assert.h" #include "XDK_Utils.h" #include "FreeRTOS.h" #include "task.h" #include "timers.h" /* constant definitions ***************************************************** */ #if HTTP_SECURE_ENABLE #define APP_RESPONSE_FROM_SNTP_SERVER_TIMEOUT UINT32_C(10000)/**< Timeout for SNTP server time sync */ #endif /* HTTP_SECURE_ENABLE */ #define APP_RESPONSE_FROM_HTTP_SERVER_POST_TIMEOUT UINT32_C(25000)/**< Timeout for completion of HTTP rest client POST */ #define APP_RESPONSE_FROM_HTTP_SERVER_GET_TIMEOUT UINT32_C(25000)/**< Timeout for completion of HTTP rest client GET */ #define APP_TEMPERATURE_OFFSET_CORRECTION (-3459) /* local variables ********************************************************** */ static WLAN_Setup_T WLANSetupInfo = { .IsEnterprise = false, .IsHostPgmEnabled = false, .SSID = WLAN_SSID, .Username = WLAN_PSK, /* Unused for Personal WPA2 connection */ .Password = WLAN_PSK, .IsStatic = WLAN_STATIC_IP, .IpAddr = WLAN_IP_ADDR, .GwAddr = WLAN_GW_ADDR, .DnsAddr = WLAN_DNS_ADDR, .Mask = WLAN_MASK, };/**< WLAN setup parameters */ static Sensor_Setup_T SensorSetup = { .CmdProcessorHandle = NULL, .Enable = { .Accel = true, .Mag = true, .Gyro = true, .Humidity = true, .Temp = true, .Pressure = true, .Light = true, .Noise = false, }, .Config = { .Accel = { .Type = SENSOR_ACCEL_BMA280, .IsRawData = false, .IsInteruptEnabled = false, }, .Gyro = { .Type = SENSOR_GYRO_BMG160, .IsRawData = false, }, .Mag = { .IsRawData = false, }, .Light = { .IsInteruptEnabled = false, }, .Temp = { .OffsetCorrection = APP_TEMPERATURE_OFFSET_CORRECTION, }, }, };/**< Sensor setup parameters */ #if HTTP_SECURE_ENABLE static SNTP_Setup_T SNTPSetupInfo = { .ServerUrl = SNTP_SERVER_URL, .ServerPort = SNTP_SERVER_PORT, };/**< SNTP setup parameters */ #endif /* HTTP_SECURE_ENABLE */ static HTTPRestClient_Setup_T HTTPRestClientSetupInfo = { .IsSecure = HTTP_SECURE_ENABLE, };/**< HTTP rest client setup parameters */ /* * @todo - Use only DEST_SERVER_PORT in the header for secure and non-secure. * And remove the below 6 lines of the macros */ #if HTTP_SECURE_ENABLE #ifdef DEST_SERVER_PORT #undef DEST_SERVER_PORT #endif /* #ifdef DEST_SERVER_PORT */ #define DEST_SERVER_PORT DEST_SERVER_PORT_SECURE #endif /* if HTTP_SECURE_ENABLE */ static HTTPRestClient_Config_T HTTPRestClientConfigInfo = { .IsSecure = HTTP_SECURE_ENABLE, .DestinationServerUrl = DEST_SERVER_HOST, .DestinationServerPort = DEST_SERVER_PORT, .RequestMaxDownloadSize = REQUEST_MAX_DOWNLOAD_SIZE, }; /**< HTTP rest client configuration parameters */ static HTTPRestClient_Post_T HTTPRestClientPostInfo = { .Payload = POST_REQUEST_BODY, .PayloadLength = (sizeof(POST_REQUEST_BODY) - 1U), .Url = DEST_POST_PATH, .RequestCustomHeader0 = POST_REQUEST_CUSTOM_HEADER_0, .RequestCustomHeader1 = POST_REQUEST_CUSTOM_HEADER_1, }; /**< HTTP rest client POST parameters */ /** * @brief The HTTP GET request response callback. * * @param [in] responseContent * Pointer to the GET request response * * @param [in] responseContentLen * Length of the GET request response * * @param [in] isLastMessage * Boolean to represent if it is the last part of the ongoing message */ static void HTTPRestClientGetCB(const char* responseContent, uint32_t responseContentLen, bool isLastMessage); static HTTPRestClient_Get_T HTTPRestClientGetInfo = { .Url = DEST_GET_PATH, .GetCB = HTTPRestClientGetCB, .GetOffset = 0UL, }; /**< HTTP rest client GET parameters */ static xTaskHandle AppControllerHandle = NULL; /**< OS thread handle for Application controller */ static CmdProcessor_T * AppCmdProcessor; /**< Handle to store the main Command processor handle to be reused by ServalPAL thread */ /* global variables ********************************************************* */ /* inline functions ********************************************************* */ /* local functions ********************************************************** */ /** Refer function definition for description */ static void HTTPRestClientGetCB(const char* responseContent, uint32_t responseContentLen, bool isLastMessage) { BCDS_UNUSED(isLastMessage); if ((NULL != responseContent) && (0UL != responseContentLen)) { printf("HTTPRestClientGetCB: HTTP GET response: %.*s\r\n", (int) responseContentLen, responseContent); } } /** * @brief This will validate the WLAN network connectivity * * If there is no connectivity then it will scan for the given network and try to reconnect * * @return RETCODE_OK on success, or an error code otherwise. */ static Retcode_T AppControllerValidateWLANConnectivity(void) { Retcode_T retcode = RETCODE_OK; WlanNetworkConnect_IpStatus_T nwStatus; nwStatus = WlanNetworkConnect_GetIpStatus(); if (WLANNWCT_IPSTATUS_CT_AQRD != nwStatus) { #if HTTP_SECURE_ENABLE static bool isSntpDisabled = false; if (false == isSntpDisabled) { retcode = SNTP_Disable(); } if (RETCODE_OK == retcode) { isSntpDisabled = true; retcode = WLAN_Reconnect(); } if (RETCODE_OK == retcode) { retcode = SNTP_Enable(); } #else retcode = WLAN_Reconnect(); #endif /* HTTP_SECURE_ENABLE */ } return retcode; } /** * @brief Responsible for controlling the HTTP Example application control flow. * * - Synchronize the node with the SNTP server for time-stamp (if HTTPS) * - Check whether the WLAN network connection is available * - Do a HTTP rest client POST * - Wait for INTER_REQUEST_INTERVAL if POST was successful * - Do a HTTP rest client GET if POST was successful * - Wait for INTER_REQUEST_INTERVAL if GET was successful * - Redo the last 5 steps * * @param[in] pvParameters * Unused */ static void AppControllerFire(void* pvParameters) { BCDS_UNUSED(pvParameters); Retcode_T retcode = RETCODE_OK; Sensor_Value_T sensorValue; const char *publishDataFormat = "Environmental Data -\n" "\r\tHumidity : %ld\n" "\r\tPressure : %ld\n" "\r\tTemperature : %f\xf8\n"; memset(&sensorValue, 0x00, sizeof(sensorValue)); #if HTTP_SECURE_ENABLE uint64_t sntpTimeStampFromServer = 0UL; /* We Synchronize the node with the SNTP server for time-stamp. * Since there is no point in doing a HTTPS communication without a valid time */ do { retcode = SNTP_GetTimeFromServer(&sntpTimeStampFromServer, APP_RESPONSE_FROM_SNTP_SERVER_TIMEOUT); if ((RETCODE_OK != retcode) || (0UL == sntpTimeStampFromServer)) { printf("AppControllerFire : SNTP server time was not synchronized. Retrying...\r\n"); } } while (0UL == sntpTimeStampFromServer); BCDS_UNUSED(sntpTimeStampFromServer); /* Copy of sntpTimeStampFromServer will be used be HTTPS for TLS handshake */ #endif /* HTTP_SECURE_ENABLE */ while (1) { /* Resetting / clearing the necessary buffers / variables for re-use */ retcode = RETCODE_OK; /* Check whether the WLAN network connection is available */ retcode = AppControllerValidateWLANConnectivity(); if (RETCODE_OK == retcode) { retcode = Sensor_GetData(&sensorValue); } /* Do a HTTP rest client POST */ if (RETCODE_OK == retcode) { retcode = HTTPRestClient_Post(&HTTPRestClientConfigInfo, &HTTPRestClientPostInfo, APP_RESPONSE_FROM_HTTP_SERVER_POST_TIMEOUT); } if (RETCODE_OK == retcode) { /* Wait for INTER_REQUEST_INTERVAL */ vTaskDelay(pdMS_TO_TICKS(INTER_REQUEST_INTERVAL)); /* Do a HTTP rest client GET */ retcode = HTTPRestClient_Get(&HTTPRestClientConfigInfo, &HTTPRestClientGetInfo, APP_RESPONSE_FROM_HTTP_SERVER_GET_TIMEOUT); } if (RETCODE_OK == retcode) { /* Wait for INTER_REQUEST_INTERVAL */ vTaskDelay(pdMS_TO_TICKS(INTER_REQUEST_INTERVAL)); } if (RETCODE_OK != retcode) { printf("Error in Post/get request: Will trigger another post/get after INTER_REQUEST_INTERVAL\r\n"); vTaskDelay(pdMS_TO_TICKS(INTER_REQUEST_INTERVAL)); /* Report error and continue */ Retcode_RaiseError(retcode); } } } /** * @brief To enable the necessary modules for the application * - WLAN * - ServalPAL * - SNTP (if HTTPS) * - HTTP rest client * * @param[in] param1 * Unused * * @param[in] param2 * Unused */ static void AppControllerEnable(void * param1, uint32_t param2) { BCDS_UNUSED(param1); BCDS_UNUSED(param2); Retcode_T retcode = WLAN_Enable(); if (RETCODE_OK == retcode) { retcode = ServalPAL_Enable(); } #if HTTP_SECURE_ENABLE if (RETCODE_OK == retcode) { retcode = SNTP_Enable(); } #endif /* HTTP_SECURE_ENABLE */ if (RETCODE_OK == retcode) { retcode = HTTPRestClient_Enable(); } if (RETCODE_OK == retcode) { retcode = Sensor_Enable(); } if (RETCODE_OK == retcode) { if (pdPASS != xTaskCreate(AppControllerFire, (const char * const ) "AppController", TASK_STACK_SIZE_APP_CONTROLLER, NULL, TASK_PRIO_APP_CONTROLLER, &AppControllerHandle)) { retcode = RETCODE(RETCODE_SEVERITY_ERROR, RETCODE_OUT_OF_RESOURCES); } } if (RETCODE_OK != retcode) { printf("AppControllerEnable : Failed \r\n"); Retcode_RaiseError(retcode); assert(0); /* To provide LED indication for the user */ } Utils_PrintResetCause(); } /** * @brief To setup the necessary modules for the application * - WLAN * - ServalPAL * - SNTP (if HTTPS) * - HTTP rest client * * @param[in] param1 * Unused * * @param[in] param2 * Unused */ static void AppControllerSetup(void * param1, uint32_t param2) { BCDS_UNUSED(param1); BCDS_UNUSED(param2); Retcode_T retcode = WLAN_Setup(&WLANSetupInfo); if (RETCODE_OK == retcode) { retcode = ServalPAL_Setup(AppCmdProcessor); } #if HTTP_SECURE_ENABLE if (RETCODE_OK == retcode) { retcode = SNTP_Setup(&SNTPSetupInfo); } #endif /* HTTP_SECURE_ENABLE */ if (RETCODE_OK == retcode) { retcode = HTTPRestClient_Setup(&HTTPRestClientSetupInfo); } if (RETCODE_OK == retcode) { SensorSetup.CmdProcessorHandle = AppCmdProcessor; retcode = Sensor_Setup(&SensorSetup); } if (RETCODE_OK == retcode) { retcode = CmdProcessor_Enqueue(AppCmdProcessor, AppControllerEnable, NULL, UINT32_C(0)); } if (RETCODE_OK != retcode) { printf("AppControllerSetup : Failed \r\n"); Retcode_RaiseError(retcode); assert(0); /* To provide LED indication for the user */ } } /* global functions ********************************************************** */ /** Refer interface header for description */ void AppController_Init(void * cmdProcessorHandle, uint32_t param2) { BCDS_UNUSED(param2); Retcode_T retcode = RETCODE_OK; if (cmdProcessorHandle == NULL) { printf("AppController_Init : Command processor handle is NULL \r\n"); retcode = RETCODE(RETCODE_SEVERITY_ERROR, RETCODE_NULL_POINTER); } else { AppCmdProcessor = (CmdProcessor_T *) cmdProcessorHandle; retcode = CmdProcessor_Enqueue(AppCmdProcessor, AppControllerSetup, NULL, UINT32_C(0)); } if (RETCODE_OK != retcode) { Retcode_RaiseError(retcode); assert(0); /* To provide LED indication for the user */ } } /**@} */ /** ************************************************************************* */ and here the console log: 12:01:22 **** Incremental Build of configuration XDK Default for project HttpExampleClient **** mingw32-make -j 2 debug C:\XDK-Workbench\XDK\make\mingw32-make.exe -C C:\XDK-Workbench\XDK\SDK/xdk110/Common -f application.mk debug new_bootloader mingw32-make[1]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Common' C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Platform/BSP debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Libraries/FreeRTOS debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/FreeRTOS' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/FreeRTOS' C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Libraries/EMlib debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Platform/BSP' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Platform/BSP' C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Libraries/WiFi debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/WiFi' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/WiFi' C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Libraries/ServalStack debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/EMlib' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/EMlib' C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Libraries/MbedTLS debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/MbedTLS' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/MbedTLS' C:\XDK-Workbench\XDK\make\mingw32-make.exe -C ./../Libraries/FATfs debug BCDS_COMMON_MAKEFILE=C:/XDK-Workbench/XDK/SDK/xdk110/Common/common.mk mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/FATfs' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/FATfs' mingw32-make[2]: Entering directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/ServalStack' mingw32-make[2]: Nothing to be done for 'debug'. mingw32-make[2]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Libraries/ServalStack' #@echo "Creating .out C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/debug/HttpExampleClient.out" C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/debug/objects/AppController.o: In function `AppControllerFire': C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/source/AppController.c:340: undefined reference to `Sensor_GetData' C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/debug/objects/AppController.o: In function `AppControllerEnable': C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/source/AppController.c:404: undefined reference to `Sensor_Enable' C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/debug/objects/AppController.o: In function `AppControllerSetup': C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/source/AppController.c:459: undefined reference to `Sensor_Setup' collect2.exe: error: ld returned 1 exit status application.mk:392: recipe for target 'C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/debug/HttpExampleClient.out' failed mingw32-make[1]: *** [C:/Users/gof1sz/XDK-Workspace/HttpExampleClient/debug/HttpExampleClient.out] Error 1 mingw32-make[1]: Leaving directory 'C:/XDK-Workbench/XDK/SDK/xdk110/Common' mingw32-make: *** [debug] Error 2 Makefile:56: recipe for target 'debug' failed 12:01:40 Build Finished (took 17s.497ms)   ... 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