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lib/bt/host/nimble/esp-hci/include/esp_nimble_hci.h

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+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifndef __ESP_NIMBLE_HCI_H__
+#define __ESP_NIMBLE_HCI_H__
+
+#include "nimble/transport.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BLE_HCI_UART_H4_NONE        0x00
+#define BLE_HCI_UART_H4_CMD         0x01
+#define BLE_HCI_UART_H4_ACL         0x02
+#define BLE_HCI_UART_H4_SCO         0x03
+#define BLE_HCI_UART_H4_EVT         0x04
+
+/**
+ * @brief Initialize VHCI transport layer between NimBLE Host and
+ * ESP Bluetooth controller
+ *
+ * This function initializes the transport buffers to be exchanged
+ * between NimBLE host and ESP controller. It also registers required
+ * host callbacks with the controller.
+ *
+ * @return
+ *    - ESP_OK if the initialization is successful
+ *    - Appropriate error code from esp_err_t in case of an error
+ */
+esp_err_t esp_nimble_hci_init(void);
+
+/**
+ * @brief Deinitialize VHCI transport layer between NimBLE Host and
+ * ESP Bluetooth controller
+ *
+ * @note This function should be called after the NimBLE host is deinitialized.
+ *
+ * @return
+ *    - ESP_OK if the deinitialization is successful
+ *    - Appropriate error codes from esp_err_t in case of an error
+ */
+esp_err_t esp_nimble_hci_deinit(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __ESP_NIMBLE_HCI_H__ */