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/* Copyright 2016 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "btle_hci_int.h"
enum ll_state_t {
UNINITIALIZED,
STANDBY,
SCANNING,
ADVERTISING,
INITIATING,
CONNECTION,
TEST_RX,
TEST_TX,
};
#define LL_ADV_INTERVAL_UNIT_US 625
#define LL_ADV_TIMEOUT_UNIT_US 1000000
#define LL_ADV_DIRECT_INTERVAL_US 3750 /* 3.75 ms */
#define LL_ADV_DIRECT_TIMEOUT_US 1280000 /* 1.28 s */
#define LL_MAX_DATA_PACKET_LENGTH 27
#define LL_MAX_DATA_PACKETS 4
/* BTLE Spec 4.0: Vol 6, Part B, Section 4.5.3 */
#define TRANSMIT_WINDOW_OFFSET_CONSTANT 1250
#define LL_MAX_BUFFER_SIZE (LL_MAX_DATA_PACKET_LENGTH * LL_MAX_DATA_PACKETS)
#define LL_SUPPORTED_FEATURES (HCI_LE_FTR_ENCRYPTION | \
HCI_LE_FTR_CONNECTION_PARAMETERS_REQUEST | \
HCI_LE_FTR_EXTENDED_REJECT_INDICATION | \
HCI_LE_FTR_SLAVE_INITIATED_FEATURES_EXCHANGE)
#define LL_SUPPORTED_STATES (HCI_LE_STATE_NONCON_ADV | \
HCI_LE_STATE_SCANNABLE_ADV | \
HCI_LE_STATE_CONNECTABLE_ADV | \
HCI_LE_STATE_DIRECT_ADV | \
HCI_LE_STATE_PASSIVE_SCAN | \
HCI_LE_STATE_ACTIVE_SCAN | \
HCI_LE_STATE_INITIATE | \
HCI_LE_STATE_SLAVE)
/*
* 4.6.1 LE Encryption
* A controller that supports LE Encryption shall support the following sections
* within this document:
* - LL_ENC_REQ (Section 2.4.2.4)
* - LL_ENC_RSP (Section 2.4.2.5)
* - LL_START_ENC_REQ (Section 2.4.2.6)
* - LL_START_ENC_RSP (Section 2.4.2.7)
* - LL_PAUSE_ENC_REQ (Section 2.4.2.11)
* - LL_PAUSE_ENC_RSP (Section 2.4.2.12)
* - Encryption Start Procedure (Section 5.1.3.1)
* - Encryption Pause Procedure (Section 5.1.3.2)
*/
/*Link Layer Control PDU Opcodes */
#define LL_CONNECTION_UPDATE_REQ 0x00
#define LL_CHANNEL_MAP_REQ 0x01
#define LL_TERMINATE_IND 0x02
#define LL_ENC_REQ 0x03
#define LL_ENC_RSP 0x04
#define LL_START_ENC_REQ 0x05
#define LL_START_ENC_RSP 0x06
#define LL_UNKNOWN_RSP 0x07
#define LL_FEATURE_REQ 0x08
#define LL_FEATURE_RSP 0x09
#define LL_PAUSE_ENC_REQ 0x0A
#define LL_PAUSE_ENC_RSP 0x0B
#define LL_VERSION_IND 0x0C
#define LL_REJECT_IND 0x0D
#define LL_SLAVE_FEATURE_REQ 0x0E
#define LL_CONNECTION_PARAM_REQ 0x0F
#define LL_CONNECTION_PARAM_RSP 0x10
#define LL_REJECT_IND_EXT 0x11
#define LL_PING_REQ 0x12
#define LL_PING_RSP 0x13
/* BLE 4.1 Vol 6 2.3.3.1 Connection information */
#define CONNECT_REQ_INITA_LEN 6
#define CONNECT_REQ_ADVA_LEN 6
#define CONNECT_REQ_ACCESS_ADDR_LEN 4
#define CONNECT_REQ_CRC_INIT_VAL_LEN 3
#define CONNECT_REQ_WIN_SIZE_LEN 1
#define CONNECT_REQ_WIN_OFFSET_LEN 2
#define CONNECT_REQ_INTERVAL_LEN 2
#define CONNECT_REQ_LATENCY_LEN 2
#define CONNECT_REQ_TIMEOUT_LEN 2
#define CONNECT_REQ_CHANNEL_MAP_LEN 5
#define CONNECT_REQ_HOP_INCREMENT_AND_SCA_LEN 1
struct ble_connection_params {
uint8_t init_a[CONNECT_REQ_INITA_LEN];
uint8_t adv_a[CONNECT_REQ_ADVA_LEN];
uint32_t access_addr;
uint32_t crc_init_val;
uint8_t win_size;
uint16_t win_offset;
uint16_t interval;
uint16_t latency;
uint16_t timeout;
uint64_t channel_map;
uint8_t hop_increment;
uint8_t sleep_clock_accuracy;
uint32_t transmitWindowOffset;
uint32_t transmitWindowSize;
uint32_t connInterval;
uint16_t connSlaveLatency;
uint32_t connSupervisionTimeout;
};
uint8_t ll_reset(void);
uint8_t ll_set_tx_power(uint8_t *params);
/* LE Information */
uint8_t ll_read_buffer_size(uint8_t *return_params);
uint8_t ll_read_local_supported_features(uint8_t *return_params);
uint8_t ll_read_supported_states(uint8_t *return_params);
uint8_t ll_set_host_channel_classification(uint8_t *params);
/* Advertising */
uint8_t ll_set_advertising_params(uint8_t *params);
uint8_t ll_read_tx_power(void);
uint8_t ll_set_adv_data(uint8_t *params);
uint8_t ll_set_scan_response_data(uint8_t *params);
uint8_t ll_set_advertising_enable(uint8_t *params);
uint8_t ll_set_random_address(uint8_t *params);
/* Scanning */
uint8_t ll_set_scan_enable(uint8_t *params);
uint8_t ll_set_scan_params(uint8_t *params);
/* White List */
uint8_t ll_clear_white_list(void);
uint8_t ll_read_white_list_size(uint8_t *return_params);
uint8_t ll_add_device_to_white_list(uint8_t *params);
uint8_t ll_remove_device_from_white_list(uint8_t *params);
/* Connections */
uint8_t ll_read_remote_used_features(uint8_t *params);
/* RF Phy Testing */
uint8_t ll_receiver_test(uint8_t *params);
uint8_t ll_transmitter_test(uint8_t *params);
uint8_t ll_test_end(uint8_t *return_params);
void ll_ble_test_rx(void);
void ll_ble_test_rx(void);