Function esp_vhci_host_send_packet 

pub unsafe extern "C" fn esp_vhci_host_send_packet(
    data: *mut u8,
    len: u16,
)

@brief Send the HCI data to the Controller

@note 1. This function shall not be called within a critical section or when the scheduler is suspended. 2. This function should be called only if esp_vhci_host_check_send_available() returns True.

@param[in] data Pointer to the HCI data @param[in] len The HCI data length