/* * FreeRTOS V1.1.4 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in * the Software without restriction, including without limitation the rights to * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of * the Software, and to permit persons to whom the Software is furnished to do so, * subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * * http://aws.amazon.com/freertos * http://www.FreeRTOS.org */ #include <string.h> #include "console_io.h" #include "entropy_hardware.h" /* FreeRTOS includes. */ #include "FreeRTOS.h" #include "task.h" /* Test includes */ #include "aws_test_runner.h" /* AWS library includes. */ #include "iot_system_init.h" #include "iot_logging_task.h" #include "iot_wifi.h" #include "aws_clientcredential.h" #include "aws_dev_mode_key_provisioning.h" /* Logging Task Defines. */ #define mainLOGGING_MESSAGE_QUEUE_LENGTH ( 15 ) #define mainLOGGING_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 8 ) /* Unit test defines. */ #define mainTEST_RUNNER_TASK_STACK_SIZE ( configMINIMAL_STACK_SIZE * 16 ) /* The task delay for allowing the lower priority logging task to print out Wi-Fi * failure status before blocking indefinitely. */ #define mainLOGGING_WIFI_STATUS_DELAY pdMS_TO_TICKS( 1000 ) /* The name of the devices for xApplicationDNSQueryHook. */ #define mainDEVICE_NICK_NAME "XMC4800_IOTKIT_TEST" /** * @brief Application task startup hook for applications using Wi-Fi. If you are not * using Wi-Fi, then start network dependent applications in the vApplicationIPNetorkEventHook * function. If you are not using Wi-Fi, this hook can be disabled by setting * configUSE_DAEMON_TASK_STARTUP_HOOK to 0. */ void vApplicationDaemonTaskStartupHook( void ); /** * @brief Connects to Wi-Fi. */ static void prvWifiConnect( void ); /** * @brief Initializes the board. */ static void prvMiscInitialization( void ); /* Ensure the FreeRTOS heap is not crossing SRAM boundaries */ __attribute__((section("ETH_RAM"))) uint8_t ucHeap[ configTOTAL_HEAP_SIZE ]; /*-----------------------------------------------------------*/ /** * @brief Application runtime entry point. */ int main( void ) { /* Perform any hardware initialization that does not require the RTOS to be * running. */ prvMiscInitialization(); /* Create tasks that are not dependent on the Wi-Fi being initialized. */ xLoggingTaskInitialize( mainLOGGING_TASK_STACK_SIZE, tskIDLE_PRIORITY, mainLOGGING_MESSAGE_QUEUE_LENGTH ); /* FIX ME: If you are using Ethernet network connections and the FreeRTOS+TCP stack, * uncomment the initialization function, FreeRTOS_IPInit(), below. */ /*FreeRTOS_IPInit( ucIPAddress, * ucNetMask, * ucGatewayAddress, * ucDNSServerAddress, * ucMACAddress ); */ /* Start the scheduler. Initialization that requires the OS to be running, * including the Wi-Fi initialization, is performed in the RTOS daemon task * startup hook. */ vTaskStartScheduler(); return 0; } /*-----------------------------------------------------------*/ static void prvMiscInitialization( void ) { CONSOLE_IO_Init(); ENTROPY_HARDWARE_Init(); } /*-----------------------------------------------------------*/ void vApplicationDaemonTaskStartupHook( void ) { /* FIX ME: Perform any hardware initialization, that require the RTOS to be * running, here. */ vDevModeKeyProvisioning(); /* FIX ME: If your MCU is using Wi-Fi, delete surrounding compiler directives to * enable the unit tests and after MQTT, Bufferpool, and Secure Sockets libraries * have been imported into the project. If you are not using Wi-Fi, see the * vApplicationIPNetworkEventHook function. */ if( SYSTEM_Init() == pdPASS ) { /* Connect to the Wi-Fi before running the tests. */ prvWifiConnect(); /* Create the task to run unit tests. */ xTaskCreate( TEST_RUNNER_RunTests_task, "RunTests_task", mainTEST_RUNNER_TASK_STACK_SIZE, NULL, tskIDLE_PRIORITY + 2, NULL ); } } /*-----------------------------------------------------------*/ void prvWifiConnect( void ) { WIFINetworkParams_t xNetworkParams; WIFIReturnCode_t xWifiStatus; WIFIIPConfiguration_t xIPConfig; uint8_t * pucIP4 = NULL; xWifiStatus = WIFI_On(); if( xWifiStatus == eWiFiSuccess ) { configPRINTF( ( "Wi-Fi module initialized. Connecting to AP...\r\n" ) ); } else { configPRINTF( ( "Wi-Fi module failed to initialize.\r\n" ) ); /* Delay to allow the lower priority logging task to print the above status. * The while loop below will block the above printing. */ vTaskDelay( mainLOGGING_WIFI_STATUS_DELAY ); while( 1 ) { } } /* Setup parameters. */ xNetworkParams.ucSSIDLength = strlen( clientcredentialWIFI_SSID ); memcpy(xNetworkParams.ucSSID, clientcredentialWIFI_SSID, xNetworkParams.ucSSIDLength); xNetworkParams.xPassword.xWPA.ucLength = strlen( clientcredentialWIFI_PASSWORD ); memcpy(xNetworkParams.xPassword.xWPA.cPassphrase, clientcredentialWIFI_PASSWORD, xNetworkParams.xPassword.xWPA.ucLength); xNetworkParams.xSecurity = clientcredentialWIFI_SECURITY; xNetworkParams.ucChannel = 0; xWifiStatus = WIFI_ConnectAP( &( xNetworkParams ) ); if( xWifiStatus == eWiFiSuccess ) { configPRINTF( ( "Wi-Fi Connected to AP. Creating tasks which use network...\r\n" ) ); xWifiStatus = WIFI_GetIPInfo( &xIPConfig ); if ( eWiFiSuccess == xWifiStatus ) { pucIP4 = ( uint8_t * )&xIPConfig.xIPAddress.ulAddress[0]; configPRINTF( ( "IP Address acquired %d.%d.%d.%d\r\n", pucIP4[ 0 ], pucIP4[ 1 ], pucIP4[ 2 ], pucIP4[ 3 ] ) ); } } else { configPRINTF( ( "Wi-Fi failed to connect to AP.\r\n" ) ); /* Delay to allow the lower priority logging task to print the above status. * The while loop below will block the above printing. */ vTaskDelay( mainLOGGING_WIFI_STATUS_DELAY ); while( 1 ) { } } } /*-----------------------------------------------------------*/ /** * @brief User defined Idle task function. * * @note Do not make any blocking operations in this function. */ void vApplicationIdleHook( void ) { static TickType_t xLastPrint = 0; TickType_t xTimeNow; const TickType_t xPrintFrequency = pdMS_TO_TICKS( 5000 ); xTimeNow = xTaskGetTickCount(); if( ( xTimeNow - xLastPrint ) > xPrintFrequency ) { configPRINT( "." ); xLastPrint = xTimeNow; } } /*-----------------------------------------------------------*/ /** * @brief User defined application hook to process names returned by the DNS server. */ #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) BaseType_t xApplicationDNSQueryHook( const char * pcName ) { /* FIX ME. If necessary, update to applicable DNS name lookup actions. */ BaseType_t xReturn; /* Determine if a name lookup is for this node. Two names are given * to this node: that returned by pcApplicationHostnameHook() and that set * by mainDEVICE_NICK_NAME. */ if( strcmp( pcName, pcApplicationHostnameHook() ) == 0 ) { xReturn = pdPASS; } else if( strcmp( pcName, mainDEVICE_NICK_NAME ) == 0 ) { xReturn = pdPASS; } else { xReturn = pdFAIL; } return xReturn; } #endif /* if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) */ /*-----------------------------------------------------------*/ /** * @brief User defined assertion call. This function is plugged into configASSERT. * See FreeRTOSConfig.h to define configASSERT to something different. */ void vAssertCalled(const char * pcFile, uint32_t ulLine) { /* FIX ME. If necessary, update to applicable assertion routine actions. */ const uint32_t ulLongSleep = 1000UL; volatile uint32_t ulBlockVariable = 0UL; volatile char * pcFileName = (volatile char *)pcFile; volatile uint32_t ulLineNumber = ulLine; (void)pcFileName; (void)ulLineNumber; printf("vAssertCalled %s, %ld\n", pcFile, (long)ulLine); fflush(stdout); /* Setting ulBlockVariable to a non-zero value in the debugger will allow * this function to be exited. */ taskDISABLE_INTERRUPTS(); { while (ulBlockVariable == 0UL) { vTaskDelay( pdMS_TO_TICKS( ulLongSleep ) ); } } taskENABLE_INTERRUPTS(); } /*-----------------------------------------------------------*/ /** * @brief User defined application hook need by the FreeRTOS-Plus-TCP library. */ #if ( ipconfigUSE_LLMNR != 0 ) || ( ipconfigUSE_NBNS != 0 ) || ( ipconfigDHCP_REGISTER_HOSTNAME == 1 ) const char * pcApplicationHostnameHook(void) { /* FIX ME: If necessary, update to applicable registration name. */ /* This function will be called during the DHCP: the machine will be registered * with an IP address plus this name. */ return clientcredentialIOT_THING_NAME; } #endif