wifi/device_setup/main.c

void gos_app_init(void)

{

GOS_LOG("Device Setup example starting ...");

gos_load_app_settings("settings.ini");

gos_network_register_event_handler(GOS_INTERFACE_WLAN, wlan_network_event_handler);

gos_setup_register_finished_event_handler(setup_finished_handler);

start_network_interface();

}

static void start_network_interface(void)

{

gos_result_t result;

GOS_LOG("\r\n\r\nChecking if device is able to connect to local network ...");

if (GOS_FAILED(result, gos_network_up(GOS_INTERFACE_WLAN, true)))

{

GOS_LOG("Failed to join local network, starting Web Setup");

if (GOS_FAILED(result, gos_setup_start()))

{

GOS_LOG("Failed to start Web Setup, rebooting");

gos_system_reboot();

}

else

{

char buffer_url[128];

char buffer_username[64];

char buffer_passkey[64];

uint32_t idle_timeout;

gos_settings_get_uint32("setup.web.idle_timeout", &idle_timeout);

get_setup_url("setup.web.url", buffer_url, sizeof(buffer_url));

get_device_name("setup.web.ssid", buffer_username, sizeof(buffer_username));

gos_settings_get_print_str("setup.web.passkey", buffer_passkey, sizeof(buffer_passkey));

GOS_LOG("Device Web Setup started");

GOS_LOG("1. Connect to Wi-Fi network: %s with passkey: %s", buffer_username, buffer_passkey);

GOS_LOG("2. Open browser to http://%s", buffer_url);

GOS_LOG("3. Setup the device\r\n");

GOS_LOG("NOTE: Web setup will idle timeout after %d seconds\r\n", idle_timeout);

}

}

else

{

char buffer[128] = { 0 };

GOS_LOG("Device WLAN started");

gos_settings_get_print_str("wlan.ssid", buffer, sizeof(buffer));

GOS_LOG("1. Connect to local Wi-Fi network: %s", buffer);

memset(buffer, 0, sizeof(buffer));

get_device_name("mdns.name", buffer, sizeof(buffer));

GOS_LOG("2. Open browser to:");

GOS_LOG(" Windows/Linux: http://%s/", buffer);

GOS_LOG(" Mac/iOS : http://%s.local/", buffer);

memset(buffer, 0, sizeof(buffer));

gos_settings_get_print_str("wlan.network.ip", buffer, sizeof(buffer));

GOS_LOG(" Android/All : http://%s/", buffer);

GOS_LOG("3. Setup the device\r\n");

}

}

static void wlan_network_event_handler(bool is_up)

{

// If the WLAN interface has gone down AND softAP interface is NOT up try to restart the WLAN interface

if ((is_up == false) && (gos_network_is_up(GOS_INTERFACE_SOFTAP) == false))

{

// If the network goes down try to restart it, else start web setup

start_network_interface();

}

}

static void setup_finished_handler(void *unsed)

{

GOS_LOG("Web setup finished, rebooting system");

gos_system_reboot();

}

static const char* get_device_name(const char *setting, char *buffer, size_t buffer_length)

{

int setting_len;

char *setting_ptr;

gos_settings_get_print_str(setting, buffer, buffer_length);

setting_len = strlen(buffer);

setting_ptr = &buffer[setting_len-1];

if (*setting_ptr == '#')

{

char mac_str[20];

// Example output:

// 4C:55:CC:10:78:9B

gos_settings_get_print_str("softap.mac", mac_str, sizeof(mac_str));

*setting_ptr++ = mac_str[13];

*setting_ptr++ = mac_str[15];

*setting_ptr++ = mac_str[16];

*setting_ptr = 0;

}

return buffer;

}

static const char* get_setup_url(const char *setting, char *buffer, size_t buffer_length)

{

gos_settings_get_print_str("setup.web.url", buffer, buffer_length);

char *comma_ptr = strchr(buffer, ',');

*comma_ptr = 0;

return buffer;

}