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[BCM943364WCD1]先获取个IP吧

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    2016-12-7 16:21
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    [LV.1]初来乍到

    发表于 2016-12-12 09:19:46 | 显示全部楼层 |阅读模式
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    一、目标
       之后不管是要TCP通信,UDP通信,得先连上一个WIFI,获取个IP。由于AIRKISS没有调好,那就连接一个固定的WIFI吧。
        连上WIFI,获取IP。
    二、思路整理
        新建一个事件标志
    ——》按下按键进行扫描
    ——》扫描到指定的SSID后记录下获取的信息(连接WIFI的时候使用)
    ——》发送事件停止扫描
    ——》利用按键线程发送一个连接事件
    ——》连接WIFI,获取IP

    三、代码搞起

    /* * Copyright 2015, Broadcom Corporation * All Rights Reserved. * * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation; * the contents of this file may not be disclosed to third parties, copied * or duplicated in any form, in whole or in part, without the prior * written permission of Broadcom Corporation. *//** @file * * Scan Application * * Features demonstrated *  - WICED scan API * * This application snippet regularly scans for nearby Wi-Fi access points * * Application Instructions *   Connect a PC terminal to the serial port of the WICED Eval board, *   then build and download the application as described in the WICED *   Quick Start Guide * *   Each time the application scans, a list of Wi-Fi access points in *   range is printed to the UART * */#include <stdlib.h>#include "wiced.h"#include "platform.h"/****************************************************** *                      Macros ******************************************************//****************************************************** *                    Constants ******************************************************/#define DELAY_BETWEEN_SCANS       (5000)/****************************************************** *                   Enumerations ******************************************************//****************************************************** *                 Type Definitions ******************************************************/typedef struct{        wiced_bool_t stWifiConfigFlag;        uint8_t stTcpStatus;}wiced_network_info_t;/****************************************************** *                    Structures ******************************************************/wiced_scan_result_t                stWifiInfo;wiced_network_info_t        stNetworkInfo;/****************************************************** *               Static Function Declarations ******************************************************/wiced_result_t scan_result_handler( wiced_scan_handler_result_t* malloced_scan_result );/****************************************************** *               Variable Definitions ******************************************************/static int record_count;static wiced_time_t scan_start_time;wiced_event_flags_t        stMainLoopEvent;#define WIFI_SSID_SCAN_OK_EVENT                0X00000001#define WIFI_NETWORK_CONNECT_EVENT        0X00000002#define SSID_USER        "lifesense-network"#define SSID_USER_KEY        "Life86358868"wiced_semaphore_t        stIcylinkerButtonSem;wiced_thread_t                stIcylinkerButtonThread;#define BUTTON_PRIORITY                (9)#define BUTTON_STACK_SIZE        (1*1024)void vButtonFunction(void *);/****************************************************** *               Function Definitions ******************************************************/extern wiced_result_t wiced_join_ap_specific( wiced_ap_info_t* details, uint8_t security_key_length, const char security_key[ 64 ] );extern wiced_result_t wiced_ip_up( wiced_interface_t interface, wiced_network_config_t config, const wiced_ip_setting_t* ip_settings );void application_start( ){        int8_t ret;        uint32_t event_value;        wiced_ap_info_t lifesense_info;    wiced_init( );        memset(&stWifiInfo, 0, sizeof(wiced_scan_result_t));        memset(&stNetworkInfo, 0, sizeof(wiced_network_info_t));        wiced_rtos_init_event_flags(&stMainLoopEvent);        WPRINT_APP_INFO( ("----------------------------------------------------------------------------------------------\n" ) );    wiced_gpio_init(WICED_GPIO_2, INPUT_PULL_UP);    /*     * wiced_result_t wiced_gpio_init( wiced_gpio_t gpio, wiced_gpio_config_t configuration );     * wiced_result_t wiced_rtos_create_thread( wiced_thread_t* thread, uint8_t priority, const char* name, wiced_thread_function_t function, uint32_t stack_size, void* arg )     * */    wiced_rtos_create_thread(&stIcylinkerButtonThread, BUTTON_PRIORITY, "BUTTON", vButtonFunction, BUTTON_STACK_SIZE, NULL);    wiced_rtos_init_semaphore(&stIcylinkerButtonSem);        WPRINT_APP_INFO(("https://www.eeboard.com/bbs/forum.php\n"));        WPRINT_APP_INFO(("user: icylinker\n"));        WPRINT_APP_INFO(("board: BCM943364WCD1\n"));        WPRINT_APP_INFO( ("----------------------------------------------------------------------------------------------\n" ) );        wiced_rtos_get_semaphore(&stIcylinkerButtonSem, NEVER_TIMEOUT);        record_count = 0;    WPRINT_APP_INFO( ( "Waiting for scan results...\n" ) );    WPRINT_APP_INFO( ("  # Type  BSSID             RSSI  Rate Chan  Security         SSID\n" ) );    WPRINT_APP_INFO( ("----------------------------------------------------------------------------------------------\n" ) );    wiced_time_get_time(&scan_start_time);    wiced_wifi_scan_networks(scan_result_handler, NULL );        while(1)    {    /*        wiced_result_t wiced_rtos_wait_for_event_flags( wiced_event_flags_t* event_flags, uint32_t flags_to_wait_for, uint32_t* flags_set, wiced_bool_t clear_set_flags, wiced_event_flags_wait_option_t wait_option, uint32_t timeout_ms )        */            ret = wiced_rtos_wait_for_event_flags(&stMainLoopEvent,                        0xFFFFFFFFL,                        &event_value,                        WICED_TRUE,                        WAIT_FOR_ANY_EVENT,                        18000 );                if(WICED_SUCCESS == ret)                {                        if(WIFI_SSID_SCAN_OK_EVENT & event_value)                        {                                wwd_wifi_abort_scan();                                event_value &= ~WIFI_SSID_SCAN_OK_EVENT;                        }                        if(WIFI_NETWORK_CONNECT_EVENT & event_value)                        {                                WPRINT_APP_INFO(("CONNECT:\n"));                                print_scan_result(&stWifiInfo);                                event_value &= ~WIFI_NETWORK_CONNECT_EVENT;                                                                memcpy(&lifesense_info, &stWifiInfo, sizeof(wiced_ap_info_t) - sizeof(struct wiced_ap_info*));                                ret = wiced_join_ap_specific( &lifesense_info, strlen(SSID_USER_KEY), SSID_USER_KEY);                                if(ret== WICED_SUCCESS)                                {                                        ret = wiced_ip_up(WWD_STA_INTERFACE, WICED_USE_EXTERNAL_DHCP_SERVER, NULL);                                        if(ret == WICED_SUCCESS)                                        {                                                ;                                                }                                        else                                        {                                                stNetworkInfo.stTcpStatus = 0;                                        }                                }                                else                                {                                        stNetworkInfo.stTcpStatus = 0;                                }                        }                }                else                    wiced_rtos_delay_milliseconds(DELAY_BETWEEN_SCANS);     }}/* * Callback function to handle scan results */wiced_result_t scan_result_handler( wiced_scan_handler_result_t* malloced_scan_result ){        int8_t ret;    if ( malloced_scan_result != NULL )    {        malloc_transfer_to_curr_thread( malloced_scan_result );        if ( malloced_scan_result->status == WICED_SCAN_INCOMPLETE )        {            wiced_scan_result_t* record = &malloced_scan_result->ap_details;#if 1                        if(record->SSID.length >= strlen(SSID_USER))                         {                                ret = memcmp(record->SSID.value, SSID_USER, strlen(SSID_USER));                                if(ret == 0)                                {                                        print_scan_result(record);                                        memcpy(&stWifiInfo, record, sizeof(wiced_scan_result_t));                                        stNetworkInfo.stWifiConfigFlag = WICED_TRUE;                                        wiced_rtos_set_event_flags(&stMainLoopEvent, WIFI_SSID_SCAN_OK_EVENT);                                }                        }#endif                    }        else        {            wiced_time_t scan_end_time;            wiced_time_get_time(&scan_end_time);            WPRINT_APP_INFO( ("\nScan complete in %lu milliseconds\n", (unsigned long )(scan_end_time - scan_start_time) ) );        }        free( malloced_scan_result );        malloced_scan_result = NULL;    }    return WICED_SUCCESS;}void vButtonFunction(void *arg){        uint8_t button_status = 0;        while(1)        {                switch(button_status)                {                case 0:                                if(!wiced_gpio_input_get(WICED_GPIO_2))                                {                                        button_status = 1;                                }                                break;                case 1:                                wiced_rtos_delay_milliseconds(100);                                button_status = 2;                                break;                case 2:                                if(!wiced_gpio_input_get(WICED_GPIO_2))                                {                                        button_status = 3;                                }                                else                                        button_status = 0;                                break;                case 3:                                wiced_rtos_set_semaphore(&stIcylinkerButtonSem);                                button_status = 4;                                break;                case 4:                                if(wiced_gpio_input_get(WICED_GPIO_2))                                {                                        button_status = 0;                                }                                break;                default: break;                }/*        ****************************************************************/                if(stNetworkInfo.stWifiConfigFlag && stNetworkInfo.stTcpStatus == 0)                {                        wiced_rtos_set_event_flags(&stMainLoopEvent, WIFI_NETWORK_CONNECT_EVENT);                        stNetworkInfo.stTcpStatus = 1;                }                                        }}  
    四、测试结果
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