261 lines
9.7 KiB
C
261 lines
9.7 KiB
C
|
/**
|
|||
|
|
* Copyright (c) HiSilicon (Shanghai) Technologies Co., Ltd. 2024-2024. All rights reserved.
|
|||
|
|
*
|
|||
|
|
* Description: alilink sample include wifi sta auto connect and then connect to ali cloud \n
|
|||
|
|
*
|
|||
|
|
* History: \n
|
|||
|
|
* 2024-09-19, Create file. \n
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
#include "lwip/netifapi.h"
|
|||
|
|
#include "wifi_hotspot.h"
|
|||
|
|
#include "wifi_hotspot_config.h"
|
|||
|
|
#include "td_base.h"
|
|||
|
|
#include "td_type.h"
|
|||
|
|
#include "stdlib.h"
|
|||
|
|
#include "uart.h"
|
|||
|
|
#include "cmsis_os2.h"
|
|||
|
|
#include "app_init.h"
|
|||
|
|
#include "soc_osal.h"
|
|||
|
|
|
|||
|
|
#define ALILINK_IFNAME_MAX_SIZE 16
|
|||
|
|
#define ALILINK_MAX_SSID_LEN 33
|
|||
|
|
#define ALILINK_SCAN_AP_LIMIT 64
|
|||
|
|
#define ALILINK_MAC_LEN 6
|
|||
|
|
#define ALILINK_SAMPLE_LOG "[ALILINK_SAMPLE]"
|
|||
|
|
#define ALILINK_NOT_AVALLIABLE 0
|
|||
|
|
#define ALILINK_AVALLIABLE 1
|
|||
|
|
#define ALILINK_GET_IP_MAX_COUNT 300
|
|||
|
|
|
|||
|
|
#define ALILINK_TASK_PRIO (osPriority_t)(13)
|
|||
|
|
#define ALILINK_TASK_DURATION_MS 2000
|
|||
|
|
#define ALILINK_TASK_STACK_SIZE 0x2000
|
|||
|
|
|
|||
|
|
extern td_s32 alilink_task_start(td_void);
|
|||
|
|
static td_void alilink_scan_state_changed(td_s32 state, td_s32 size);
|
|||
|
|
static td_void alilink_connection_changed(td_s32 state, const wifi_linked_info_stru *info, td_s32 reason_code);
|
|||
|
|
|
|||
|
|
static wifi_event_stru g_alilink_wifi_event_cb = {
|
|||
|
|
.wifi_event_connection_changed = alilink_connection_changed,
|
|||
|
|
.wifi_event_scan_state_changed = alilink_scan_state_changed,
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
enum {
|
|||
|
|
ALILINK_SAMPLE_INIT = 0, /* 0:初始态 */
|
|||
|
|
ALILINK_SAMPLE_SCANING, /* 1:扫描中 */
|
|||
|
|
ALILINK_SAMPLE_SCAN_DONE, /* 2:扫描完成 */
|
|||
|
|
ALILINK_SAMPLE_FOUND_TARGET, /* 3:匹配到目标AP */
|
|||
|
|
ALILINK_SAMPLE_CONNECTING, /* 4:连接中 */
|
|||
|
|
ALILINK_SAMPLE_CONNECT_DONE, /* 5:关联成功 */
|
|||
|
|
ALILINK_SAMPLE_GET_IP, /* 6:获取IP */
|
|||
|
|
} wifi_state_enum;
|
|||
|
|
|
|||
|
|
static td_u8 g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
|
|||
|
|
/*****************************************************************************
|
|||
|
|
STA 扫描事件回调函数
|
|||
|
|
*****************************************************************************/
|
|||
|
|
static td_void alilink_scan_state_changed(td_s32 state, td_s32 size)
|
|||
|
|
{
|
|||
|
|
UNUSED(state);
|
|||
|
|
UNUSED(size);
|
|||
|
|
PRINT("%s::Scan done!.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_SCAN_DONE;
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*****************************************************************************
|
|||
|
|
STA 关联事件回调函数
|
|||
|
|
*****************************************************************************/
|
|||
|
|
static td_void alilink_connection_changed(td_s32 state, const wifi_linked_info_stru *info, td_s32 reason_code)
|
|||
|
|
{
|
|||
|
|
UNUSED(info);
|
|||
|
|
UNUSED(reason_code);
|
|||
|
|
|
|||
|
|
if (state == ALILINK_NOT_AVALLIABLE) {
|
|||
|
|
PRINT("%s::Connect fail!. try agin !\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
} else {
|
|||
|
|
PRINT("%s::Connect succ!.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_CONNECT_DONE;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*****************************************************************************
|
|||
|
|
STA 匹配目标AP
|
|||
|
|
*****************************************************************************/
|
|||
|
|
static td_s32 alilink_get_match_network(wifi_sta_config_stru *expected_bss)
|
|||
|
|
{
|
|||
|
|
td_s32 ret;
|
|||
|
|
td_u32 num = 64; /* 64:扫描到的Wi-Fi网络数量 */
|
|||
|
|
td_char expected_ssid[] = "my_softAP";
|
|||
|
|
td_char key[] = "my_password"; /* 待连接的网络接入密码 */
|
|||
|
|
td_bool find_ap = TD_FALSE;
|
|||
|
|
td_u8 bss_index;
|
|||
|
|
/* 获取扫描结果 */
|
|||
|
|
td_u32 scan_len = sizeof(wifi_scan_info_stru) * ALILINK_SCAN_AP_LIMIT;
|
|||
|
|
wifi_scan_info_stru *result = osal_kmalloc(scan_len, OSAL_GFP_ATOMIC);
|
|||
|
|
if (result == TD_NULL) {
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
(td_void)memset_s(result, scan_len, 0, scan_len);
|
|||
|
|
ret = wifi_sta_get_scan_info(result, &num);
|
|||
|
|
if (ret != 0) {
|
|||
|
|
osal_kfree(result);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
/* 筛选扫描到的Wi-Fi网络，选择待连接的网络 */
|
|||
|
|
for (bss_index = 0; bss_index < num; bss_index ++) {
|
|||
|
|
if (strlen(expected_ssid) == strlen(result[bss_index].ssid)) {
|
|||
|
|
if (memcmp(expected_ssid, result[bss_index].ssid, strlen(expected_ssid)) == 0) {
|
|||
|
|
find_ap = TD_TRUE;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
/* 未找到待连接AP,可以继续尝试扫描或者退出 */
|
|||
|
|
if (find_ap == TD_FALSE) {
|
|||
|
|
osal_kfree(result);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
/* 找到网络后复制网络信息和接入密码 */
|
|||
|
|
if (memcpy_s(expected_bss->ssid, ALILINK_MAX_SSID_LEN, expected_ssid, strlen(expected_ssid)) != 0) {
|
|||
|
|
osal_kfree(result);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
if (memcpy_s(expected_bss->bssid, ALILINK_MAC_LEN, result[bss_index].bssid, ALILINK_MAC_LEN) != 0) {
|
|||
|
|
osal_kfree(result);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
expected_bss->security_type = result[bss_index].security_type;
|
|||
|
|
if (memcpy_s(expected_bss->pre_shared_key, sizeof(expected_bss->pre_shared_key), key, strlen(key)) != 0) {
|
|||
|
|
osal_kfree(result);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
expected_bss->ip_type = 1; /* 1：IP类型为动态DHCP获取 */
|
|||
|
|
osal_kfree(result);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/*****************************************************************************
|
|||
|
|
STA DHCP状态查询
|
|||
|
|
*****************************************************************************/
|
|||
|
|
static td_bool alilink_check_dhcp_status(struct netif *netif_p, td_u32 *wait_count)
|
|||
|
|
{
|
|||
|
|
if ((ip_addr_isany(&(netif_p->ip_addr)) == 0) && (*wait_count <= ALILINK_GET_IP_MAX_COUNT)) {
|
|||
|
|
/* DHCP成功 */
|
|||
|
|
PRINT("%s::STA DHCP success.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (*wait_count > ALILINK_GET_IP_MAX_COUNT) {
|
|||
|
|
PRINT("%s::STA DHCP timeout, try again !.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
*wait_count = 0;
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
}
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static td_s32 alilink_sta_function(td_void)
|
|||
|
|
{
|
|||
|
|
td_char ifname[ALILINK_IFNAME_MAX_SIZE + 1] = "wlan0"; /* 创建的STA接口名 */
|
|||
|
|
wifi_sta_config_stru expected_bss = {0}; /* 连接请求信息 */
|
|||
|
|
struct netif *netif_p = TD_NULL;
|
|||
|
|
td_u32 wait_count = 0;
|
|||
|
|
|
|||
|
|
/* 创建STA接口 */
|
|||
|
|
if (wifi_sta_enable() != 0) {
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
PRINT("%s::STA enable succ.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
|
|||
|
|
do {
|
|||
|
|
(void)osDelay(1); /* 1: 等待10ms后判断状态 */
|
|||
|
|
if (g_alilink_wifi_state == ALILINK_SAMPLE_INIT) {
|
|||
|
|
PRINT("%s::Scan start!\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_SCANING;
|
|||
|
|
/* 启动STA扫描 */
|
|||
|
|
if (wifi_sta_scan() != 0) {
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
} else if (g_alilink_wifi_state == ALILINK_SAMPLE_SCAN_DONE) {
|
|||
|
|
/* 获取待连接的网络 */
|
|||
|
|
if (alilink_get_match_network(&expected_bss) != 0) {
|
|||
|
|
PRINT("%s::Do not find AP, try again !\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_FOUND_TARGET;
|
|||
|
|
} else if (g_alilink_wifi_state == ALILINK_SAMPLE_FOUND_TARGET) {
|
|||
|
|
PRINT("%s::Connect start.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_CONNECTING;
|
|||
|
|
/* 启动连接 */
|
|||
|
|
if (wifi_sta_connect(&expected_bss) != 0) {
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
} else if (g_alilink_wifi_state == ALILINK_SAMPLE_CONNECT_DONE) {
|
|||
|
|
PRINT("%s::DHCP start.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_GET_IP;
|
|||
|
|
netif_p = netifapi_netif_find(ifname);
|
|||
|
|
if (netif_p == TD_NULL || netifapi_dhcp_start(netif_p) != 0) {
|
|||
|
|
PRINT("%s::find netif or start DHCP fail, try again !\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
g_alilink_wifi_state = ALILINK_SAMPLE_INIT;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
} else if (g_alilink_wifi_state == ALILINK_SAMPLE_GET_IP) {
|
|||
|
|
if (alilink_check_dhcp_status(netif_p, &wait_count) == 0) {
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
wait_count++;
|
|||
|
|
}
|
|||
|
|
} while (1);
|
|||
|
|
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
int alilink_sample_init(void *param)
|
|||
|
|
{
|
|||
|
|
UNUSED(param);
|
|||
|
|
|
|||
|
|
/* 注册事件回调 */
|
|||
|
|
if (wifi_register_event_cb(&g_alilink_wifi_event_cb) != 0) {
|
|||
|
|
PRINT("%s::g_alilink_wifi_event_cb register fail.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
PRINT("%s::g_alilink_wifi_event_cb register succ.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
|
|||
|
|
/* 等待wifi初始化完成 */
|
|||
|
|
while (wifi_is_wifi_inited() == 0) {
|
|||
|
|
(void)osDelay(10); /* 10: 等待100ms后判断状态 */
|
|||
|
|
}
|
|||
|
|
PRINT("%s::wifi init succ.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
|
|||
|
|
if (alilink_sta_function() != 0) {
|
|||
|
|
PRINT("%s::alilink_sta_function fail.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
alilink_task_start();
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
static void alilink_sample_entry(void)
|
|||
|
|
{
|
|||
|
|
osThreadAttr_t attr;
|
|||
|
|
attr.name = "alilink_sample_task";
|
|||
|
|
attr.attr_bits = 0U;
|
|||
|
|
attr.cb_mem = NULL;
|
|||
|
|
attr.cb_size = 0U;
|
|||
|
|
attr.stack_mem = NULL;
|
|||
|
|
attr.stack_size = ALILINK_TASK_STACK_SIZE;
|
|||
|
|
attr.priority = ALILINK_TASK_PRIO;
|
|||
|
|
if (osThreadNew((osThreadFunc_t)alilink_sample_init, NULL, &attr) == NULL) {
|
|||
|
|
PRINT("%s::Create alilink_sample_task fail.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
}
|
|||
|
|
PRINT("%s::Create alilink_sample_task succ.\r\n", ALILINK_SAMPLE_LOG);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/* Run the sta_sample_task. */
|
|||
|
|
app_run(alilink_sample_entry);
|