Umber
/
ESP32
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
ESP32/main/main.c

670 lines
21 KiB
C
Raw Blame History

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <inttypes.h>
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_wifi.h"
#include "esp_console.h"
#include "linenoise/linenoise.h"
#include "nvs_flash.h"
#include "esp_netif.h"
#include "lwip/inet.h"
#include "led_strip.h"
// Custom Components
#include "iperf.h"
#include "wifi_cfg.h"
#include "csi_log.h"
#include "wifi_monitor.h"
#include "gps_sync.h"
// Note: cmd_transport is initialized by wifi_cfg_init, so we don't need to include it directly here unless we use it.
static const char *TAG = "MAIN";
// --- Hardware Configuration ---
#if defined(CONFIG_IDF_TARGET_ESP32S3)
// ESP32-S3 Specific Wiring
#define RGB_LED_GPIO 48
#define GPS_TX_PIN GPIO_NUM_5
#define GPS_RX_PIN GPIO_NUM_4
#define GPS_PPS_PIN GPIO_NUM_6
#elif defined(CONFIG_IDF_TARGET_ESP32C5)
// ESP32-C5 Specific Wiring
#define RGB_LED_GPIO 27
#define GPS_TX_PIN GPIO_NUM_24
#define GPS_RX_PIN GPIO_NUM_23
#define GPS_PPS_PIN GPIO_NUM_25
#elif defined(CONFIG_IDF_TARGET_ESP32)
// ESP32 (Original) Specific Wiring
// Note: ESP32 has no GPIO 24. GPIO 8 causes flash crash.
#define RGB_LED_GPIO 2 // Often onboard Blue LED (valid GPIO)
#define GPS_TX_PIN GPIO_NUM_17 // Standard UART2 TX
#define GPS_RX_PIN GPIO_NUM_16 // Standard UART2 RX
#define GPS_PPS_PIN GPIO_NUM_4
#else
// Fallback / Other Chips (C6, etc.)
#define RGB_LED_GPIO 8
#define GPS_TX_PIN GPIO_NUM_1
#define GPS_RX_PIN GPIO_NUM_3
#define GPS_PPS_PIN GPIO_NUM_5
#endif
// --- WiFi Operation Mode ---
typedef enum {
WIFI_MODE_STA_CSI, // STA mode: Connected to AP, CSI + iperf (DEFAULT)
WIFI_MODE_MONITOR // Monitor mode: Promiscuous, collapse detection
} wifi_operation_mode_t;
static wifi_operation_mode_t current_wifi_mode = WIFI_MODE_STA_CSI;
static wifi_band_mode_t preferred_band = WIFI_BAND_MODE_AUTO;
static uint8_t monitor_channel = 6; // Default monitor channel
// --- LED State Machine ---
static led_strip_handle_t led_strip;
static bool wifi_connected = false;
static bool has_config = false;
typedef enum {
LED_STATE_NO_CONFIG, // Yellow Solid
LED_STATE_WAITING, // Blue Blink (Connecting)
LED_STATE_CONNECTED, // Green Solid (Connected to AP)
LED_STATE_FAILED, // Red Blink
LED_STATE_MONITORING // Blue Solid (Sniffing Air)
} led_state_t;
static led_state_t current_led_state = LED_STATE_NO_CONFIG;
// --- Forward Declarations ---
static void auto_monitor_task(void *arg);
static void rgb_led_init(void) {
ESP_LOGI(TAG, "Initializing RGB LED on GPIO %d", RGB_LED_GPIO);
led_strip_config_t strip_config = {
.strip_gpio_num = RGB_LED_GPIO,
.max_leds = 1,
};
led_strip_rmt_config_t rmt_config = {
.resolution_hz = 10 * 1000 * 1000,
.flags.with_dma = false,
};
ESP_ERROR_CHECK(led_strip_new_rmt_device(&strip_config, &rmt_config, &led_strip));
led_strip_clear(led_strip);
}
static void set_led_color(uint8_t r, uint8_t g, uint8_t b) {
led_strip_set_pixel(led_strip, 0, r, g, b);
led_strip_refresh(led_strip);
}
static void led_task(void *arg) {
int blink_state = 0;
while(1) {
switch(current_led_state) {
case LED_STATE_NO_CONFIG:
set_led_color(25, 25, 0); // Yellow (Dimmed)
vTaskDelay(pdMS_TO_TICKS(1000));
break;
case LED_STATE_WAITING:
if (blink_state) set_led_color(0, 0, 50); // Blue
else set_led_color(0, 0, 0);
blink_state = !blink_state;
vTaskDelay(pdMS_TO_TICKS(500));
break;
case LED_STATE_CONNECTED:
set_led_color(0, 25, 0); // Green
vTaskDelay(pdMS_TO_TICKS(1000));
break;
case LED_STATE_MONITORING:
set_led_color(0, 0, 50); // Blue Solid
vTaskDelay(pdMS_TO_TICKS(1000));
break;
case LED_STATE_FAILED:
if (blink_state) set_led_color(50, 0, 0); // Red
else set_led_color(0, 0, 0);
blink_state = !blink_state;
vTaskDelay(pdMS_TO_TICKS(200));
break;
}
}
}
// --- GPS Logging Helper ---
void log_collapse_event(float nav_duration_us, int rssi, int retry) {
gps_timestamp_t ts = gps_get_timestamp();
// Format: COLLAPSE,MonoMS,GpsMS,Synced,Duration,RSSI,Retry
printf("COLLAPSE,%" PRIi64 ",%" PRIi64 ",%d,%.2f,%d,%d\n",
ts.monotonic_ms,
ts.gps_ms,
ts.synced ? 1 : 0,
nav_duration_us,
rssi,
retry);
}
// --- CSI Support ---------------------------------------------------
static bool s_csi_enabled = false;
static uint32_t s_csi_packet_count = 0;
static void csi_cb(void *ctx, wifi_csi_info_t *info) {
csi_log_append_record(info);
s_csi_packet_count++;
if ((s_csi_packet_count % 100) == 0) {
ESP_LOGI("CSI", "Captured %lu CSI packets", (unsigned long)s_csi_packet_count);
}
}
static void wifi_enable_csi_once(void) {
if (s_csi_enabled) return;
vTaskDelay(pdMS_TO_TICKS(2000));
// Initialize with defaults (safe for all chips)
wifi_csi_config_t csi_cfg = { 0 };
#if defined(CONFIG_IDF_TARGET_ESP32S3) || defined(CONFIG_IDF_TARGET_ESP32) || defined(CONFIG_IDF_TARGET_ESP32S2)
// These fields ONLY exist on Xtensa-based chips (S3, S2, Original)
// The ESP32-C5/C6 (RISC-V) hardware handles this automatically/internally.
csi_cfg.lltf_en = true;
csi_cfg.htltf_en = true;
csi_cfg.stbc_htltf2_en = true;
csi_cfg.ltf_merge_en = true;
csi_cfg.channel_filter_en = true;
csi_cfg.manu_scale = false;
csi_cfg.shift = false;
#endif
ESP_LOGI("CSI", "Configuring CSI...");
if (esp_wifi_set_csi_config(&csi_cfg) != ESP_OK) {
ESP_LOGE("CSI", "Failed to set CSI config");
return;
}
if (esp_wifi_set_csi_rx_cb(csi_cb, NULL) != ESP_OK) {
ESP_LOGE("CSI", "Failed to set CSI callback");
return;
}
// Explicit enable call
if (esp_wifi_set_csi(true) != ESP_OK) {
ESP_LOGE("CSI", "Failed to enable CSI");
return;
}
ESP_LOGI("CSI", "CSI enabled!");
s_csi_enabled = true;
}
static void wifi_disable_csi(void) {
if (!s_csi_enabled) return;
ESP_LOGI("CSI", "Disabling CSI...");
esp_wifi_set_csi(false);
s_csi_enabled = false;
ESP_LOGI("CSI", "CSI disabled");
}
static void csi_dump_task(void *arg) {
vTaskDelay(pdMS_TO_TICKS(20000)); // Dump after 20 seconds
ESP_LOGI("CSI", "Dumping CSI data...");
csi_log_dump_over_uart();
ESP_LOGI("CSI", "CSI dump complete");
vTaskDelete(NULL);
}
// --- WiFi Monitor Mode Support -------------------------------------
static bool s_monitor_enabled = false;
static uint32_t s_monitor_frame_count = 0;
static TaskHandle_t s_monitor_stats_task_handle = NULL;
static void monitor_frame_callback(const wifi_frame_info_t *frame,
const uint8_t *payload,
uint16_t len) {
s_monitor_frame_count++;
// 1. Check for Collapse (High NAV + Retry)
if (frame->retry && frame->duration_id > 5000) {
log_collapse_event((float)frame->duration_id, frame->rssi, frame->retry);
}
// 2. Warn on extremely high NAV
if (frame->duration_id > 30000) {
ESP_LOGW("MONITOR", "⚠️ VERY HIGH NAV: %u us", frame->duration_id);
}
}
static void monitor_stats_task(void *arg) {
while (1) {
vTaskDelay(pdMS_TO_TICKS(10000)); // Every 10 seconds
wifi_collapse_stats_t stats;
if (wifi_monitor_get_stats(&stats) == ESP_OK) {
ESP_LOGI("MONITOR", "--- Stats: %lu frames, Retry Rate: %.2f%%, Avg NAV: %u us ---",
(unsigned long)stats.total_frames, stats.retry_rate, stats.avg_nav);
if (wifi_monitor_is_collapsed()) {
ESP_LOGW("MONITOR", "⚠️ ⚠️ ⚠️ WiFi COLLAPSE DETECTED! ⚠️ ⚠️ ⚠️ ");
}
}
}
}
// --- Mode Switching Functions --------------------------------------
esp_err_t switch_to_monitor_mode(uint8_t channel, wifi_bandwidth_t bandwidth) {
if (current_wifi_mode == WIFI_MODE_MONITOR) {
ESP_LOGW(TAG, "Already in monitor mode");
return ESP_OK;
}
if (bandwidth != WIFI_BW_HT20) {
ESP_LOGW(TAG, "Monitor mode typically restricted to 20MHz capture width");
ESP_LOGW(TAG, "Forcing bandwidth to 20MHz (driver limitation)");
bandwidth = WIFI_BW_HT20;
}
const char* band_str = "2.4GHz";
if (channel >= 36 && channel <= 165) {
band_str = "5GHz";
}
const char* bw_str = "20MHz";
ESP_LOGI(TAG, "========================================");
ESP_LOGI(TAG, "Switching to MONITOR MODE");
ESP_LOGI(TAG, " Channel: %d (%s)", channel, band_str);
ESP_LOGI(TAG, " Bandwidth: %s (monitor mode limitation)", bw_str);
ESP_LOGI(TAG, "========================================");
ESP_LOGI(TAG, "Stopping iperf...");
iperf_stop();
vTaskDelay(pdMS_TO_TICKS(500));
wifi_disable_csi();
vTaskDelay(pdMS_TO_TICKS(500));
ESP_LOGI(TAG, "Disconnecting from AP...");
esp_wifi_disconnect();
vTaskDelay(pdMS_TO_TICKS(1000));
ESP_LOGI(TAG, "Stopping WiFi...");
esp_wifi_stop();
vTaskDelay(pdMS_TO_TICKS(500));
ESP_LOGI(TAG, "Setting WiFi mode to NULL...");
esp_wifi_set_mode(WIFI_MODE_NULL);
vTaskDelay(pdMS_TO_TICKS(500));
ESP_LOGI(TAG, "Starting monitor mode...");
if (wifi_monitor_init(channel, monitor_frame_callback) != ESP_OK) {
ESP_LOGE(TAG, "Failed to init monitor mode");
return ESP_FAIL;
}
esp_wifi_set_bandwidth(WIFI_IF_STA, bandwidth);
if (wifi_monitor_start() != ESP_OK) {
ESP_LOGE(TAG, "Failed to start monitor mode");
return ESP_FAIL;
}
s_monitor_enabled = true;
current_wifi_mode = WIFI_MODE_MONITOR;
current_led_state = LED_STATE_MONITORING;
monitor_channel = channel;
if (s_monitor_stats_task_handle == NULL) {
xTaskCreate(monitor_stats_task, "monitor_stats", 4096, NULL, 5, &s_monitor_stats_task_handle);
}
ESP_LOGI(TAG, "✓ Monitor mode active");
ESP_LOGI(TAG, " - Channel: %d (%s)", channel, band_str);
ESP_LOGI(TAG, " - Bandwidth: %s", bw_str);
ESP_LOGI(TAG, " - Logging GPS-timestamped collapse events");
ESP_LOGI(TAG, " - LED: Blue solid");
ESP_LOGI(TAG, "========================================");
return ESP_OK;
}
esp_err_t switch_to_sta_mode(wifi_band_mode_t band_mode) {
if (current_wifi_mode == WIFI_MODE_STA_CSI) {
ESP_LOGW(TAG, "Already in STA mode");
return ESP_OK;
}
const char* band_str = "Auto (2.4GHz or 5GHz)";
if (band_mode == WIFI_BAND_MODE_2G_ONLY) {
band_str = "2.4GHz only";
} else if (band_mode == WIFI_BAND_MODE_5G_ONLY) {
band_str = "5GHz only";
}
ESP_LOGI(TAG, "========================================");
ESP_LOGI(TAG, "Switching to STA MODE (CSI + iperf)");
ESP_LOGI(TAG, " Band preference: %s", band_str);
ESP_LOGI(TAG, "========================================");
preferred_band = band_mode;
if (s_monitor_stats_task_handle != NULL) {
vTaskDelete(s_monitor_stats_task_handle);
s_monitor_stats_task_handle = NULL;
}
if (s_monitor_enabled) {
ESP_LOGI(TAG, "Stopping monitor mode...");
wifi_monitor_stop();
s_monitor_enabled = false;
vTaskDelay(pdMS_TO_TICKS(500));
}
ESP_LOGI(TAG, "Setting WiFi mode to STA...");
esp_wifi_set_mode(WIFI_MODE_STA);
vTaskDelay(pdMS_TO_TICKS(500));
wifi_config_t wifi_config;
esp_wifi_get_config(WIFI_IF_STA, &wifi_config);
if (band_mode == WIFI_BAND_MODE_2G_ONLY) {
wifi_config.sta.channel = 0;
wifi_config.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
ESP_LOGI(TAG, "Configured for 2.4GHz band");
} else if (band_mode == WIFI_BAND_MODE_5G_ONLY) {
wifi_config.sta.channel = 0;
wifi_config.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
ESP_LOGI(TAG, "Configured for 5GHz band preference");
} else {
wifi_config.sta.channel = 0;
wifi_config.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
ESP_LOGI(TAG, "Configured for auto band selection");
}
esp_wifi_set_config(WIFI_IF_STA, &wifi_config);
ESP_LOGI(TAG, "Starting WiFi...");
esp_wifi_start();
vTaskDelay(pdMS_TO_TICKS(500));
ESP_LOGI(TAG, "Connecting to AP...");
esp_wifi_connect();
current_wifi_mode = WIFI_MODE_STA_CSI;
current_led_state = LED_STATE_WAITING;
wifi_connected = false;
ESP_LOGI(TAG, "✓ Reconnecting to AP...");
ESP_LOGI(TAG, " - Band: %s", band_str);
ESP_LOGI(TAG, " - Waiting for IP address");
ESP_LOGI(TAG, " - CSI and iperf will start after connection");
ESP_LOGI(TAG, "========================================");
return ESP_OK;
}
// --- Console Commands ----------------------------------------------
static int cmd_mode_monitor(int argc, char **argv) {
int channel = monitor_channel;
wifi_bandwidth_t bandwidth = WIFI_BW_HT20;
if (argc > 1) {
char *slash = strchr(argv[1], '/');
if (slash != NULL) {
*slash = '\0';
channel = atoi(argv[1]);
int bw = atoi(slash + 1);
switch(bw) {
case 20: bandwidth = WIFI_BW_HT20; break;
case 40: bandwidth = WIFI_BW_HT40; break;
default: printf("Error: Invalid bandwidth %d\n", bw); return 1;
}
} else {
channel = atoi(argv[1]);
bandwidth = WIFI_BW_HT20;
}
bool valid = false;
if (channel >= 1 && channel <= 14) valid = true;
else if (channel >= 36 && channel <= 165) valid = true; // Simplified check
if (!valid) {
printf("Error: Invalid channel %d\n", channel);
return 1;
}
printf("Monitoring channel %d\n", channel);
}
if (switch_to_monitor_mode(channel, bandwidth) != ESP_OK) {
printf("Failed to switch to monitor mode\n");
return 1;
}
return 0;
}
static int cmd_mode_sta(int argc, char **argv) {
wifi_band_mode_t band_mode = WIFI_BAND_MODE_AUTO;
if (argc > 1) {
if (strcmp(argv[1], "2.4") == 0) band_mode = WIFI_BAND_MODE_2G_ONLY;
else if (strcmp(argv[1], "5") == 0) band_mode = WIFI_BAND_MODE_5G_ONLY;
else if (strcmp(argv[1], "auto") == 0) band_mode = WIFI_BAND_MODE_AUTO;
else {
printf("Error: Invalid band '%s'\n", argv[1]);
return 1;
}
}
if (switch_to_sta_mode(band_mode) != ESP_OK) {
printf("Failed to switch to STA mode\n");
return 1;
}
printf("Switching to STA mode...\n");
return 0;
}
static int cmd_mode_status(int argc, char **argv) {
printf("\n=== WiFi Mode Status ===\n");
printf("Current mode: %s\n",
current_wifi_mode == WIFI_MODE_STA_CSI ? "STA (CSI + iperf)" : "MONITOR");
printf("LED state: %d\n", current_led_state);
if (current_wifi_mode == WIFI_MODE_STA_CSI) {
printf("WiFi connected: %s\n", wifi_connected ? "Yes" : "No");
printf("CSI enabled: %s\n", s_csi_enabled ? "Yes" : "No");
} else {
printf("Monitor channel: %d\n", monitor_channel);
printf("Frames captured: %lu\n", (unsigned long)s_monitor_frame_count);
}
printf("GPS synced: %s\n", gps_is_synced() ? "Yes (+)" : "No (*)");
printf("\n");
return 0;
}
static int cmd_csi_dump(int argc, char **argv) {
if (current_wifi_mode != WIFI_MODE_STA_CSI) {
printf("Error: CSI only available in STA mode\n");
return 1;
}
printf("Dumping CSI data...\n");
csi_log_dump_over_uart();
return 0;
}
static void register_mode_commands(void) {
const esp_console_cmd_t mode_monitor = {
.command = "mode_monitor",
.help = "Switch to monitor mode",
.func = &cmd_mode_monitor,
};
ESP_ERROR_CHECK(esp_console_cmd_register(&mode_monitor));
const esp_console_cmd_t mode_sta = {
.command = "mode_sta",
.help = "Switch to STA mode",
.func = &cmd_mode_sta,
};
ESP_ERROR_CHECK(esp_console_cmd_register(&mode_sta));
const esp_console_cmd_t mode_status = {
.command = "mode_status",
.help = "Show status",
.func = &cmd_mode_status,
};
ESP_ERROR_CHECK(esp_console_cmd_register(&mode_status));
const esp_console_cmd_t csi_dump = {
.command = "csi_dump",
.help = "Dump CSI data",
.func = &cmd_csi_dump,
};
ESP_ERROR_CHECK(esp_console_cmd_register(&csi_dump));
}
// --- Event Handler -------------------------------------------------
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data) {
if (event_base == WIFI_EVENT) {
if (event_id == WIFI_EVENT_STA_START) {
if (has_config && current_wifi_mode == WIFI_MODE_STA_CSI) {
current_led_state = LED_STATE_WAITING;
}
}
else if (event_id == WIFI_EVENT_STA_DISCONNECTED) {
wifi_event_sta_disconnected_t* event = (wifi_event_sta_disconnected_t*) event_data;
ESP_LOGW(TAG, "WiFi Disconnected (Reason: %d)", event->reason);
if (!wifi_connected && has_config && current_wifi_mode == WIFI_MODE_STA_CSI) {
current_led_state = LED_STATE_FAILED;
}
wifi_connected = false;
}
}
else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
if (current_wifi_mode != WIFI_MODE_STA_CSI) return;
ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
ESP_LOGI(TAG, "Got IP: " IPSTR, IP2STR(&event->ip_info.ip));
wifi_connected = true;
current_led_state = LED_STATE_CONNECTED;
ESP_LOGI(TAG, "Enabling CSI...");
wifi_enable_csi_once();
vTaskDelay(pdMS_TO_TICKS(1000));
iperf_cfg_t cfg;
memset(&cfg, 0, sizeof(cfg));
cfg.flag = IPERF_FLAG_SERVER | IPERF_FLAG_TCP;
cfg.sport = 5001;
iperf_start(&cfg);
ESP_LOGI(TAG, "iperf server started");
xTaskCreate(csi_dump_task, "csi_dump_task", 4096, NULL, 5, NULL);
}
}
// --- Main ----------------------------------------------------------
void app_main(void) {
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
// Init Logging & LED
ESP_ERROR_CHECK(csi_log_init());
rgb_led_init();
xTaskCreate(led_task, "led_task", 4096, NULL, 5, NULL);
// Init GPS
ESP_LOGI(TAG, "Initializing GPS sync...");
const gps_sync_config_t gps_cfg = {
.uart_port = UART_NUM_1,
.tx_pin = GPS_TX_PIN,
.rx_pin = GPS_RX_PIN,
.pps_pin = GPS_PPS_PIN,
};
gps_sync_init(&gps_cfg, true);
ESP_LOGI(TAG, "GPS init (TX:%d, RX:%d, PPS:%d)", GPS_TX_PIN, GPS_RX_PIN, GPS_PPS_PIN);
// Register Events
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &event_handler, NULL, NULL));
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL, NULL));
// Init WiFi Config (This starts the cmd_transport listener)
wifi_cfg_init();
// Init Console
ESP_LOGI(TAG, "Initializing console...");
setvbuf(stdin, NULL, _IONBF, 0);
esp_console_config_t console_config = {
.max_cmdline_args = 8,
.max_cmdline_length = 256,
#if CONFIG_LOG_COLORS
.hint_color = atoi(LOG_COLOR_CYAN)
#endif
};
ESP_ERROR_CHECK(esp_console_init(&console_config));
linenoiseSetMultiLine(1);
linenoiseSetCompletionCallback(NULL);
linenoiseSetHintsCallback(NULL);
linenoiseHistorySetMaxLen(100);
esp_console_register_help_command();
register_mode_commands();
// Apply Config
if (wifi_cfg_apply_from_nvs()) {
has_config = true;
current_led_state = LED_STATE_WAITING;
ESP_LOGI(TAG, "WiFi config loaded.");
char mode[16] = {0};
uint8_t mon_ch = 36;
if (wifi_cfg_get_mode(mode, &mon_ch)) {
if (strcmp(mode, "MONITOR") == 0) {
ESP_LOGI(TAG, "MODE: MONITOR (Channel %d)", mon_ch);
uint8_t *ch_param = malloc(sizeof(uint8_t));
*ch_param = mon_ch;
xTaskCreate(auto_monitor_task, "auto_monitor", 4096, ch_param, 5, NULL);
} else {
ESP_LOGI(TAG, "MODE: STA");
}
}
} else {
has_config = false;
current_led_state = LED_STATE_NO_CONFIG;
ESP_LOGI(TAG, "No WiFi config found.");
}
}
static void auto_monitor_task(void *arg) {
uint8_t channel = *(uint8_t*)arg;
free(arg);
ESP_LOGI(TAG, "Waiting for WiFi connection before switching to monitor mode...");
while (current_led_state != LED_STATE_CONNECTED) {
vTaskDelay(pdMS_TO_TICKS(500));
}
ESP_LOGI(TAG, "WiFi connected, waiting for GPS sync...");
vTaskDelay(pdMS_TO_TICKS(2000));
ESP_LOGI(TAG, "Auto-switching to MONITOR mode on channel %d...", channel);
switch_to_monitor_mode(channel, WIFI_BW_HT20);
vTaskDelete(NULL);
}
Reference in New Issue View Git Blame Copy Permalink