147 lines
4.2 KiB
C
147 lines
4.2 KiB
C
#include "cmsis_os2.h" // CMSIS-RTOS API V2
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#include "wifi_device.h" // Wi-Fi设备接口：station模式
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#include "lwip/netifapi.h" // lwIP TCP/IP协议栈：网络接口API
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#include "lwip/api_shell.h" // lwIP TCP/IP协议栈：SHELL命令API
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static void PrintLinkedInfo(WifiLinkedInfo* info)
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{
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if (!info) return;
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static char macAddress[32] = {0};
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unsigned char* mac = info->bssid;
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snprintf(macAddress, sizeof(macAddress), "%02X:%02X:%02X:%02X:%02X:%02X",
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mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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printf("bssid: %s, rssi: %d, connState: %d, reason: %d, ssid: %s\r\n",
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macAddress, info->rssi, info->connState, info->disconnectedReason, info->ssid);
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}
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static volatile int g_connected = 0;
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static void OnWifiConnectionChanged(int state, WifiLinkedInfo* info)
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{
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if (!info) return;
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printf("%s %d, state = %d, info = \r\n", __FUNCTION__, __LINE__, state);
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PrintLinkedInfo(info);
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if (state == WIFI_STATE_AVALIABLE) {
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g_connected = 1;
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} else {
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g_connected = 0;
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}
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}
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static void OnWifiScanStateChanged(int state, int size)
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{
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printf("%s %d, state = %X, size = %d\r\n", __FUNCTION__, __LINE__, state, size);
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}
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static WifiEvent g_defaultWifiEventListener = {
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.OnWifiConnectionChanged = OnWifiConnectionChanged,
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.OnWifiScanStateChanged = OnWifiScanStateChanged
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};
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static struct netif* g_iface = NULL;
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err_t netifapi_set_hostname(struct netif *netif, char *hostname, u8_t namelen);
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int ConnectToHotspot(WifiDeviceConfig* apConfig)
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{
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WifiErrorCode errCode;
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int netId = -1;
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errCode = RegisterWifiEvent(&g_defaultWifiEventListener);
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printf("RegisterWifiEvent: %d\r\n", errCode);
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errCode = EnableWifi();
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printf("EnableWifi: %d\r\n", errCode);
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errCode = AddDeviceConfig(apConfig, &netId);
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printf("AddDeviceConfig: %d\r\n", errCode);
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g_connected = 0;
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errCode = ConnectTo(netId);
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printf("ConnectTo(%d): %d\r\n", netId, errCode);
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while (!g_connected) { // wait until connect to AP
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// printf("connecting\n");
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osDelay(10);
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}
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printf("g_connected: %d\r\n", g_connected);
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g_iface = netifapi_netif_find("wlan0");
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if (g_iface) {
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err_t ret = 0;
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char* hostname = "hispark";
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ret = netifapi_set_hostname(g_iface, hostname, strlen(hostname));
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printf("netifapi_set_hostname: %d\r\n", ret);
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ret = netifapi_dhcp_start(g_iface);
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printf("netifapi_dhcp_start: %d\r\n", ret);
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osDelay(100); // wait DHCP server give me IP
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#if 0
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ret = netifapi_netif_common(g_iface, dhcp_clients_info_show, NULL);
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printf("netifapi_netif_common: %d\r\n", ret);
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#else
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// 下面这种方式也可以打印 IP、网关、子网掩码信息
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ip4_addr_t ip = {0};
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ip4_addr_t netmask = {0};
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ip4_addr_t gw = {0};
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ret = netifapi_netif_get_addr(g_iface, &ip, &netmask, &gw);
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if (ret == ERR_OK) {
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printf("ip = %s\r\n", ip4addr_ntoa(&ip));
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printf("netmask = %s\r\n", ip4addr_ntoa(&netmask));
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printf("gw = %s\r\n", ip4addr_ntoa(&gw));
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}
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printf("netifapi_netif_get_addr: %d\r\n", ret);
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#endif
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}
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return netId;
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}
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void DisconnectWithHotspot(int netId)
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{
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if (g_iface) {
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err_t ret = netifapi_dhcp_stop(g_iface);
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printf("netifapi_dhcp_stop: %d\r\n", ret);
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}
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WifiErrorCode errCode = Disconnect(); // disconnect with your AP
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printf("Disconnect: %d\r\n", errCode);
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errCode = UnRegisterWifiEvent(&g_defaultWifiEventListener);
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printf("UnRegisterWifiEvent: %d\r\n", errCode);
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RemoveDevice(netId); // remove AP config
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printf("RemoveDevice: %d\r\n", errCode);
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errCode = DisableWifi();
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printf("DisableWifi: %d\r\n", errCode);
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}
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// 获取本机IP地址
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int GetLocalIpAddress(char* ip_buffer, int buffer_size)
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{
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if (!ip_buffer || buffer_size < 16 || !g_iface) {
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return -1;
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}
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ip4_addr_t ip = {0};
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ip4_addr_t netmask = {0};
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ip4_addr_t gw = {0};
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err_t ret = netifapi_netif_get_addr(g_iface, &ip, &netmask, &gw);
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if (ret == ERR_OK) {
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const char* ip_str = ip4addr_ntoa(&ip);
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if (ip_str && strlen(ip_str) < buffer_size) {
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strcpy(ip_buffer, ip_str);
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return 0;
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}
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}
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return -1;
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}
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