examples/bluetooth/hci/hci_common_component/bt_hci_common.c (ESP-IDF)

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/* * Basic functionality for Bluetooth Host Controller Interface Layer. * * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Unlicense OR CC0-1.0 */ #include "bt_hci_common.h" uint16_t make_cmd_set_evt_mask (uint8_t *buf, uint8_t *evt_mask) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_SET_EVT_MASK); UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_SET_EVENT_MASK); ARRAY_TO_STREAM(buf, evt_mask, HCIC_PARAM_SIZE_SET_EVENT_MASK); return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_SET_EVENT_MASK; } uint16_t make_cmd_ble_set_scan_enable (uint8_t *buf, uint8_t scan_enable, uint8_t filter_duplicates) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_BLE_WRITE_SCAN_ENABLE); UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_BLE_WRITE_SCAN_ENABLE); UINT8_TO_STREAM (buf, scan_enable); UINT8_TO_STREAM (buf, filter_duplicates); return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_WRITE_SCAN_ENABLE; } uint16_t make_cmd_ble_set_scan_params (uint8_t *buf, uint8_t scan_type, uint16_t scan_interval, uint16_t scan_window, uint8_t own_addr_type, uint8_t filter_policy) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_BLE_WRITE_SCAN_PARAM); UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_BLE_WRITE_SCAN_PARAM); UINT8_TO_STREAM (buf, scan_type); UINT16_TO_STREAM (buf, scan_interval); UINT16_TO_STREAM (buf, scan_window); UINT8_TO_STREAM (buf, own_addr_type); UINT8_TO_STREAM (buf, filter_policy); return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_WRITE_SCAN_PARAM; } uint16_t make_cmd_ble_set_adv_enable (uint8_t *buf, uint8_t adv_enable) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_BLE_WRITE_ADV_ENABLE); UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_WRITE_ADV_ENABLE); UINT8_TO_STREAM (buf, adv_enable); return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_WRITE_ADV_ENABLE; } uint16_t make_cmd_ble_set_adv_param (uint8_t *buf, uint16_t adv_int_min, uint16_t adv_int_max, uint8_t adv_type, uint8_t addr_type_own, uint8_t addr_type_dir, bd_addr_t direct_bda, uint8_t channel_map, uint8_t adv_filter_policy) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_BLE_WRITE_ADV_PARAMS); UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_BLE_WRITE_ADV_PARAMS ); UINT16_TO_STREAM (buf, adv_int_min); UINT16_TO_STREAM (buf, adv_int_max); UINT8_TO_STREAM (buf, adv_type); UINT8_TO_STREAM (buf, addr_type_own); UINT8_TO_STREAM (buf, addr_type_dir); BDADDR_TO_STREAM (buf, direct_bda); UINT8_TO_STREAM (buf, channel_map); UINT8_TO_STREAM (buf, adv_filter_policy); return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_WRITE_ADV_PARAMS; } uint16_t make_cmd_reset(uint8_t *buf) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_RESET); UINT8_TO_STREAM (buf, 0); return HCI_H4_CMD_PREAMBLE_SIZE; } uint16_t make_cmd_ble_set_adv_data(uint8_t *buf, uint8_t data_len, uint8_t *p_data) { UINT8_TO_STREAM (buf, H4_TYPE_COMMAND); UINT16_TO_STREAM (buf, HCI_BLE_WRITE_ADV_DATA); UINT8_TO_STREAM (buf, HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA + 1); memset(buf, 0, HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA); if (p_data != NULL && data_len > 0) { if (data_len > HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA) { data_len = HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA; } UINT8_TO_STREAM (buf, data_len); ARRAY_TO_STREAM (buf, p_data, data_len); } return HCI_H4_CMD_PREAMBLE_SIZE + HCIC_PARAM_SIZE_BLE_WRITE_ADV_DATA + 1; }