Function esp_idf_svc::hal::sys::esp_ble_gatts_get_attr_value

source ยท 
pub unsafe extern "C" fn esp_ble_gatts_get_attr_value(
    attr_handle: u16,
    length: *mut u16,
    value: *mut *const u8,
) -> u32
Expand description

@brief Retrieve attribute value

@param[in] attr_handle: Attribute handle. @param[out] length: pointer to the attribute value length @param[out] value: Pointer to attribute value payload, the value cannot be modified by user

@return - ESP_GATT_OK : success - other : failed