Jumpstart For Wireless Api Cannot Initialize Exclusive -

Make sure you have enough internal DRAM (not just PSRAM). Wireless buffers often require internal memory:

// Heap summary before init
heap_caps_print_heap_info(MALLOC_CAP_INTERNAL);

Once you successfully resolve the "Cannot initialize exclusive" error, follow these best practices: jumpstart for wireless api cannot initialize exclusive

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In some SDKs, you can configure how long the API waits for exclusive access: Make sure you have enough internal DRAM (not just PSRAM)

// Example configuration
wireless_config_t cfg = 
    .exclusive_timeout_ms = 5000,  // increase from default 1000 ms
;

Advanced Troubleshooting Steps

If the above steps do not resolve the issue, you may need to perform more advanced troubleshooting steps: In some SDKs, you can configure how long

Many wireless APIs use a global mutex:

static SemaphoreHandle_t wlan_mutex = NULL;
if (xSemaphoreTake(wlan_mutex, pdMS_TO_TICKS(5000)) != pdTRUE) 
    // Exclusive lock failed

| Platform | Additional Steps | |----------|------------------| | TI SimpleLink (CC32xx) | Ensure sl_Task() is running and sl_Start(0, 0, 0) is called exactly once. | | ESP-IDF | esp_wifi_init() must be followed by esp_wifi_start(). Call esp_wifi_stop() before re-init. | | Zephyr RTOS | wifi_mgmt subsystem must be released via wifi_mgmt_release(). | | Linux cfg80211 | Check rfkill block: rfkill list; unblock if needed. |

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