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135 lines
4.7 KiB
C
135 lines
4.7 KiB
C
/**
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******************************************************************************
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* @file system_easylink.c
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* @author William Xu
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* @version V1.0.0
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* @date 20-July-2015
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* @brief This file provide the easylink function for quick provisioning and
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* first time configuration.
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******************************************************************************
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*
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* UNPUBLISHED PROPRIETARY SOURCE CODE
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* Copyright (c) 2016 MXCHIP Inc.
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*
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* The contents of this file may not be disclosed to third parties, copied or
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* duplicated in any form, in whole or in part, without the prior written
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* permission of MXCHIP Corporation.
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******************************************************************************
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*/
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#include "mico.h"
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#include "system_internal.h"
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#include "StringUtils.h"
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#include "system.h"
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#include "easylink_internal.h"
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//#if (MICO_WLAN_CONFIG_MODE == CONFIG_MODE_USER)
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/******************************************************
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* Function Declarations
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******************************************************/
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/* Perform easylink and connect to wlan */
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static void easylink_usr_thread( uint32_t inContext );
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/******************************************************
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* Variables Definitions
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******************************************************/
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static mico_semaphore_t easylink_connect_sem; /**< Used to suspend thread while connection. */
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static mico_thread_t easylink_usr_thread_handler = NULL;
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static bool easylink_thread_force_exit = false;
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/* MiCO callback when WiFi status is changed */
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static void easylink_wifi_status_cb( WiFiEvent event, system_context_t * const inContext )
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{
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system_log_trace();
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require( inContext, exit );
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switch ( event )
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{
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case NOTIFY_STATION_UP:
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/* Connected to AP, means that the wlan configuration is right, update configuration in flash */
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inContext->flashContentInRam.micoSystemConfig.configured = allConfigured;
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mico_system_context_update( &inContext->flashContentInRam ); //Update Flash content
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mico_rtos_set_semaphore( &easylink_connect_sem ); //Notify Easylink thread
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break;
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default:
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break;
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}
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exit:
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return;
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}
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static void easylink_usr_thread( uint32_t inContext )
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{
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system_log_trace();
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OSStatus err = kNoErr;
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system_context_t *Context = (system_context_t *) inContext;
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easylink_thread_force_exit = false;
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mico_system_notify_register( mico_notify_WIFI_STATUS_CHANGED, (void *)easylink_wifi_status_cb, (void *) Context );
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mico_rtos_init_semaphore( &easylink_connect_sem, 1 );
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system_log("Start easylink user mode");
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mico_system_delegate_config_will_start( );
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/* Developer should save the ssid/key to system_context_t and connect to AP.
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* NOTIFY_STATION_UP event will save the new ssid, key to flash and wake up the easylink routine */
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while ( mico_rtos_get_semaphore( &easylink_connect_sem, 0 ) == kNoErr );
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err = mico_rtos_get_semaphore( &easylink_connect_sem, MICO_WAIT_FOREVER );
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/* Easylink force exit by user, clean and exit */
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if ( err != kNoErr && easylink_thread_force_exit ){
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micoWlanSuspend( );
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system_log("EasyLink connection canceled by user");
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easylink_thread_force_exit = false;
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goto exit;
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}
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mico_system_delegate_config_success( CONFIG_BY_USER );
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exit:
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mico_system_delegate_config_will_stop( );
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mico_system_notify_remove( mico_notify_WIFI_STATUS_CHANGED, (void *) easylink_wifi_status_cb );
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mico_rtos_deinit_semaphore( &easylink_connect_sem );
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easylink_usr_thread_handler = NULL;
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mico_rtos_delete_thread( NULL );
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}
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OSStatus mico_easylink_usr( mico_Context_t * const in_context, mico_bool_t enable )
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{
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OSStatus err = kUnknownErr;
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require_action( in_context, exit, err = kNotPreparedErr );
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easylink_remove_bonjour( );
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/* easylink thread existed? stop! */
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if ( easylink_usr_thread_handler ) {
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/* easylink usr thread existed? stop! */
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system_log("EasyLink usr processing, force stop..");
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easylink_thread_force_exit = true;
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mico_rtos_thread_force_awake( &easylink_usr_thread_handler );
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mico_rtos_thread_join( &easylink_usr_thread_handler );
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}
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if ( enable == MICO_TRUE ) {
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err = mico_rtos_create_thread( &easylink_usr_thread_handler, MICO_APPLICATION_PRIORITY, "EASYLINK USR",
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easylink_usr_thread, 0x1000, (mico_thread_arg_t) in_context );
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require_noerr_string( err, exit, "ERROR: Unable to start the EasyLink usr thread." );
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/* Make sure easylink is already running, and waiting for sem trigger */
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mico_rtos_delay_milliseconds( 100 );
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}
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exit:
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return err;
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}
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//#endif
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