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#include "EZWIFI.h"
pthread_mutex_t csi_mutex;
bool is_wifi_connected() {
return (xEventGroupGetBits(s_wifi_event_group) & BIT0);
}
void _wifi_csi_cb(void *ctx, wifi_csi_info_t *data) {
//pthread_mutex_lock(&csi_mutex);
wifi_csi_info_t d = data[0];
char mac[20] = {0};
sprintf(mac,"%02X:%02X:%02X:%02X:%02X:%02X", d.mac[0], d.mac[1], d.mac[2], d.mac[3], d.mac[4], d.mac[5]);
int data_len = data->len;
int8_t *my_ptr;
if(strcmp(mac, "F0:24:F9:54:3B:88") == 0) {
my_ptr = data->buf;
printf("CSI DATA: [");
for (int i = 0; i < data_len / 2; i++) {
printf("(%d, %d)", my_ptr[i * 2], my_ptr[(i * 2) + 1]);
if(i < (data_len / 2) - 1) {
printf(", ");
}
// ESP_LOGI("CSI Data:", "%d:%d + i(%d)", i/2, my_ptr[i], my_ptr[i + 1]);
}
printf("]\n");
}
/* my_ptr = data->buf; */
/* for (int i = 0; i < data_len / 2; i++) { */
/* //ss << (int) sqrt(pow(my_ptr[i * 2], 2) + pow(my_ptr[(i * 2) + 1], 2)) << " "; */
/* } */
/* my_ptr = data->buf; */
/* for (int i = 0; i < data_len / 2; i++) { */
/* //ss << (int) atan2(my_ptr[i*2], my_ptr[(i*2)+1]) << " "; */
/* } */
//printf(ss.str().c_str());
//fflush(stdout);
//pthread_mutex_unlock(&csi_mutex);
}
void wifi_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data)
{
if(event_id == WIFI_EVENT_AP_STACONNECTED) {
wifi_event_ap_staconnected_t* event = (wifi_event_ap_staconnected_t*) event_data;
ESP_LOGI(TAG, "station " MACSTR " join, AID=%d", MAC2STR(event->mac), event->aid);
}
else if(event_id == WIFI_EVENT_AP_STADISCONNECTED) {
wifi_event_ap_stadisconnected_t* event = (wifi_event_ap_stadisconnected_t*) event_data;
ESP_LOGI(TAG, "station " MACSTR " leave, AID=%d", MAC2STR(event->mac), event->aid);
}
else if(event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
esp_wifi_connect();
}
else if(event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
ESP_LOGI(TAG, "Disconnected, retrying connection...");
esp_wifi_connect();
xEventGroupClearBits(s_wifi_event_group, BIT0);
}
else if(event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
ESP_LOGI(TAG, "Got ip:" IPSTR, IP2STR(&event->ip_info.ip));
xEventGroupSetBits(s_wifi_event_group, BIT0);
}
}
void setup_station(void)
{
s_wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
esp_netif_create_default_wifi_sta();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&wifi_event_handler,
NULL,
NULL));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
IP_EVENT_STA_GOT_IP,
&wifi_event_handler,
NULL,
NULL));
wifi_sta_config_t wifi_sta_config = {};
wifi_sta_config.channel = WIFI_CHANNEL;
wifi_config_t wifi_config = {
.sta = wifi_sta_config,
};
strlcpy((char *) wifi_config.sta.ssid, SSID, sizeof(SSID));
strlcpy((char *) wifi_config.sta.password, PASS, sizeof(PASS));
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
esp_wifi_set_ps(WIFI_PS_NONE);
ESP_LOGI(TAG, "Connecting to AP SSID:%s password:%s", SSID, PASS);
}
void setup_softap(void)
{
pthread_mutex_init(&csi_mutex, NULL);
s_wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
esp_netif_create_default_wifi_ap();
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
ESP_EVENT_ANY_ID,
&wifi_event_handler,
NULL,
NULL));
wifi_ap_config_t wifi_ap_config = {};
wifi_ap_config.channel = WIFI_CHANNEL;
wifi_ap_config.authmode = WIFI_AUTH_WPA_WPA2_PSK;
wifi_ap_config.max_connection = MAX_STA_CONN;
wifi_config_t wifi_config = {
.ap = wifi_ap_config,
};
strlcpy((char *) wifi_config.ap.ssid, SSID, sizeof(SSID));
strlcpy((char *) wifi_config.ap.password, PASS, sizeof(PASS));
if(strlen(PASS) == 0) {
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
}
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
ESP_ERROR_CHECK(esp_wifi_start());
// ESP_ERROR_CHECK(esp_wifi_set_bandwidth(WIFI_IF_STA, WIFI_BW40));
ESP_LOGI(TAG, "softap setup finished. SSID:%s password:%s", SSID, PASS);
}
void mesh_scan_done_handler(int num)
{
}
void mesh_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
}
void ip_event_handler(void *arg, esp_event_base_t event_base, int32_t event_id, void *event_data)
{
ip_event_got_ip_t *event = (ip_event_got_ip_t *) event_data;
ESP_LOGI(TAG, "<IP_EVENT_STA_GOT_IP>IP:" IPSTR, IP2STR(&event->ip_info.ip));
}
void ezmesh_init(void)
{
// Init networking, storage and event loop
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
ESP_ERROR_CHECK(esp_netif_create_default_wifi_mesh_netifs(&netif_sta, NULL));
// Init WiFi
wifi_init_config_t config = WIFI_INIT_CONFIG_DEFAULT();
// TODO: Enable CSI HERE!
ESP_ERROR_CHECK(esp_wifi_init(&config));
ESP_ERROR_CHECK(esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &ip_event_handler, NULL));
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_FLASH));
ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
// Start WiFi
ESP_ERROR_CHECK(esp_wifi_start());
// Init mesh
ESP_ERROR_CHECK(esp_mesh_init());
ESP_ERROR_CHECK(esp_event_handler_register(MESH_EVENT, ESP_EVENT_ANY_ID, &mesh_event_handler, NULL));
// Mesh config
mesh_cfg_t cfg = MESH_INIT_CONFIG_DEFAULT();
// Mesh ID
memcpy((uint8_t *) &cfg.mesh_id, MESH_ID, 6);
// Router
cfg.channel = MESH_CHANNEL;
cfg.router.ssid_len = strlen(MESH_ROUTER_SSID);
memcpy((uint8_t *) &cfg.router.ssid, MESH_ROUTER_SSID, cfg.router.ssid_len);
memcpy((uint8_t *) &cfg.router.password, MESH_ROUTER_PASS, strlen(MESH_ROUTER_PASS));
// Mesh softAP
ESP_ERROR_CHECK(esp_mesh_set_ap_authmode(MESH_AP_AUTHMODE));
cfg.mesh_ap.max_connection = MESH_AP_CONNECTIONS;
cfg.mesh_ap.nonmesh_max_connection = MESH_NON_MESH_AP_CONNECTIONS;
memcpy((uint8_t *) &cfg.mesh_ap.password, MESH_AP_PASS, strlen(MESH_AP_PASS));
ESP_ERROR_CHECK(esp_mesh_set_config(&cfg));
ESP_LOGI(TAG, "<Config>disable IE crypto");
ESP_ERROR_CHECK(esp_mesh_start());
ESP_LOGI(TAG, "Mesh starts successfully, heap:%" PRId32, esp_get_free_heap_size());
}
void setup_csi(void) {
ESP_ERROR_CHECK(esp_wifi_set_csi(1));
wifi_csi_config_t configuration_csi;
configuration_csi.lltf_en = 1;
configuration_csi.htltf_en = 1;
configuration_csi.stbc_htltf2_en = 1;
configuration_csi.ltf_merge_en = 1;
configuration_csi.channel_filter_en = 0;
configuration_csi.manu_scale = 0;
ESP_ERROR_CHECK(esp_wifi_set_csi_config(&configuration_csi));
ESP_ERROR_CHECK(esp_wifi_set_csi_rx_cb(&_wifi_csi_cb, NULL));
//_print_csi_csv_header();
ESP_LOGI(TAG, "setup csi finished.");
}
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