update

.vscode/settings.json

@@ -1,11 +1,11 @@
 {
     "C_Cpp.intelliSenseEngine": "default",
-    "idf.espIdfPath": "/home/bruno/esp/v5.4.1/esp-idf",
+    "idf.espIdfPath": "/home/bruno/esp/master/esp-idf",
     "idf.pythonInstallPath": "/usr/bin/python",
     "idf.openOcdConfigs": [
         "board/esp32s3-builtin.cfg"
     ],
-    "idf.port": "/dev/ttyUSB0",
+    "idf.port": "/dev/ttyUSB1",
     "idf.toolsPath": "/home/bruno/.espressif",
     "idf.customExtraVars": {
         "OPENOCD_SCRIPTS": "/home/bruno/.espressif/tools/openocd-esp32/v0.12.0-esp32-20240821/openocd-esp32/share/openocd/scripts",
@@ -19,6 +19,10 @@
         "array": "c",
         "string": "c",
         "string_view": "c",
-        "span": "c"
+        "span": "c",
-    }
+        "esp_timer.h": "c",
+        "sx1262.h": "c"
+    },
+    "idf.flashBaudRate": "921600",
+    "idf.monitorBaudRate": "921600",
 }

main/main.c

@@ -2,21 +2,91 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "driver/gpio.h"
-#include "esp_log.h"
 #include "sdkconfig.h"
-#include "esp_mac.h"
 #include <string.h>
 #include "radio.h"
 #include "buscfg.h"
 #include "driver/spi_master.h"
+#include "esp_event.h"
+#include "esp_system.h"
+#include "esp_event.h"
+#include "esp_timer.h"
+#include "esp_wifi.h"
+#include "esp_log.h"
+#include "esp_mac.h"
+#include "nvs_flash.h"
+#include "string.h"
+#include "mbedtls/base64.h"
+#include "driver/uart.h"
 
 #define TAG "canZem"
 
+void wifi_sniffer_packet_handler(void *buf, wifi_promiscuous_pkt_type_t type)
+{
+    if (type != WIFI_PKT_MGMT && type != WIFI_PKT_DATA)
+        return;
+
+    const wifi_promiscuous_pkt_t *ppkt = (wifi_promiscuous_pkt_t *)buf;
+    const uint8_t *payload = ppkt->payload;
+    uint32_t len = ppkt->rx_ctrl.sig_len + 44;
+
+    // Simple PlecyC header check
+    if (len > 24 + 11 &&
+         payload[29] == 'P' &&
+         payload[30] == 'l' &&
+         payload[31] == 'e' &&
+         payload[32] == 'c' &&
+         payload[33] == 'y' &&
+         payload[34] == 'C')
+     {
+         unsigned char outBuf[3136];
+         size_t output_len = 0; // will store the real output size
+
+         mbedtls_base64_encode(outBuf, sizeof(outBuf), &output_len, buf, len);
+         printf("\n the frame is %ld bytes long\n", len);
+         printf("\nGot 2400mhZ frame: %s\n", outBuf);
+    //     // Parse further as needed
+    // ESP_LOGI(TAG, "HEXko\n");
+    // ESP_LOG_BUFFER_HEXDUMP(TAG, buf, len, ESP_LOG_INFO);
+    }
+}
+
+void start_sniffer()
+{
+    nvs_flash_init();
+    ESP_ERROR_CHECK(esp_netif_init());
+    ESP_ERROR_CHECK(esp_event_loop_create_default());
+
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    cfg.static_rx_buf_num = 32;
+    cfg.dynamic_rx_buf_num = 32;
+    cfg.ampdu_tx_enable = 1;
+    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+    ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
+
+    // Set mode to NULL (or STA)
+    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_NULL));
+    ESP_ERROR_CHECK(esp_wifi_start());
+
+    // Set channel 10 explicitly
+    ESP_ERROR_CHECK(esp_wifi_set_channel(10, WIFI_SECOND_CHAN_NONE));
+
+    // Enable promiscuous mode and set callback
+    ESP_ERROR_CHECK(esp_wifi_set_promiscuous_rx_cb(&wifi_sniffer_packet_handler));
+    ESP_ERROR_CHECK(esp_wifi_set_promiscuous(true));
+
+    // Optional: Disable power saving
+    ESP_ERROR_CHECK(esp_wifi_set_ps(WIFI_PS_NONE));
+}
+
 void app_main(void)
 {
 
+    uart_set_baudrate(UART_NUM_0, 921600);
     ESP_LOGI("BOOT", "BRN Systems incorporated CanSat flight firmware build: %s %s", __DATE__, __TIME__);
 
+    start_sniffer();
+
     spi_bus_config_t HighSpeedBusCfg = {
         // CONNECTED to LoRa and SD card
         .mosi_io_num = HSPI_MOSI_GPIO,