1 /*
2  * Copyright (c) 2020-2024, Texas Instruments Incorporated
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * *  Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * *  Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * *  Neither the name of Texas Instruments Incorporated nor the names of
17  *    its contributors may be used to endorse or promote products derived
18  *    from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
22  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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28  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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30  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef ti_drivers_RCL_handlers_ble5_h__include
34 #define ti_drivers_RCL_handlers_ble5_h__include
35 
36 #include <stdint.h>
37 #include <ti/drivers/rcl/RCL_Command.h>
38 #include <ti/drivers/rcl/RCL_Buffer.h>
39 #include <ti/drivers/rcl/LRF.h>
40 #include <ti/drivers/rcl/commands/ble5.h>
41 
42 /* Handler functions */
43 RCL_Events RCL_Handler_BLE5_adv(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
44 RCL_Events RCL_Handler_BLE5_scan_init(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
45 RCL_Events RCL_Handler_BLE5_conn(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
46 RCL_Events RCL_Handler_BLE5_dtmTx(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
47 RCL_Events RCL_Handler_BLE5_genericRx(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
48 RCL_Events RCL_Handler_BLE5_genericTx(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
49 RCL_Events RCL_Handler_Ble5_txTest(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
50 RCL_Events RCL_Handler_BLE5_aux_adv(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
51 RCL_Events RCL_Handler_BLE5_periodicAdv(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
52 RCL_Events RCL_Handler_BLE5_periodicScan(RCL_Command *cmd, LRF_Events lrfEvents, RCL_Events rclEventsIn);
53 
54 /**
55  *  @brief Result of filter list update API
56  *
57  *  Tells if RCL_BLE5_FilterListUpdateResult succeeded
58  */
59 typedef enum
60 {
61     RCL_BLE5_FilterListUpdateOk,         /*!< Update was successful */
62     RCL_BLE5_FilterListUpdateIndexError, /*!< Index was outside size of filter list or filter list was NULL */
63 } RCL_BLE5_FilterListUpdateResult;
64 
65 /* API functions */
66 /**
67  *  @brief  Update filter list
68  *
69  *  Update the given filter list in a way that is safe even if a running command is using
70  *  the filter list. The contents of %newEntry will be copied into %filterList->entries[%index].
71  *
72  *  If a scanner or initiator function is running, the filter list in use in the radio will also be
73  *  updated in a way that ensures no match will be found on a non-existing entry. In a short time,
74  *  neither the old nor new entry will give a match.
75  *
76  *  If an advertiser command is running, the update will not apply until the next time the advertiser
77  *  is started
78  *
79  *  @param  newEntry           New filter list entry to apply
80  *  @param  filterList         Filter accept list to update
81  *  @param  index              Index into filter accept list to update
82  *
83  * @return                     Result telling if update was successful
84  *
85  */
86 RCL_BLE5_FilterListUpdateResult RCL_BLE5_updateFilterList(const RCL_FL_Entry *newEntry, RCL_FilterList *filterList, uint32_t index);
87 
88 /**
89  *  @brief  Set RF frequency to use if custom frequency is specified
90  *
91  *  If a command specifies to use a custom frequency, it will program the frequency last set using
92  *  this function.
93  *
94  *  @param  rfFrequency        RF frequency in Hz
95  *
96  */
97 void RCL_BLE5_setDefaultRfFrequency(uint32_t rfFrequency);
98 
99 /**
100  *  @brief  Get channel field from packet
101  *
102  *  Returns the channel that the packet was received on
103  *
104  *  @param  rxEntry            Received data entry
105  *
106  *  @return Channel for receiving packet
107  */
RCL_BLE5_getRxChannel(const RCL_Buffer_DataEntry * rxEntry)108 static inline RCL_Ble5Channel RCL_BLE5_getRxChannel(const RCL_Buffer_DataEntry *rxEntry)
109 {
110     return (RCL_Ble5Channel) rxEntry->pad0;
111 }
112 
113 /**
114  *  @brief  Get received status field from packet
115  *
116  *  Returns the packet status field of a received packet, or {.value = RCL_BLE5_RX_PKT_STATUS_INVALID} if status is not enabled
117  *
118  *  @param  rxEntry            Received data entry
119  *
120  *  @return Receive packet status
121  */
122 RCL_Ble5_RxPktStatus RCL_BLE5_getRxStatus(const RCL_Buffer_DataEntry *rxEntry);
123 
124 /**
125  *  @brief  Get received RSSI from packet
126  *
127  *  Returns the RSSI field of a received packet, or LRF_RSSI_INVALID if RSSI is not enabled
128  *
129  *  @param  rxEntry            Received data entry
130  *
131  *  @return Reported RSSI of received packet
132  */
133 int8_t RCL_BLE5_getRxRssi(const RCL_Buffer_DataEntry *rxEntry);
134 
135 /**
136  *  @brief  Get received timestamp from packet
137  *
138  *  Returns the timestamp a received packet, adjusted according to the PHY it was received on
139  *  (1 Mbps assumed if packet status is not available). If timestamp is not enabled, 0 is returned.
140  *  Note that this is a valid value, so it can not be used for error checking.
141  *
142  *  @param  rxEntry            Received data entry
143  *
144  *  @return Timestamp of received packet
145  */
146 uint32_t RCL_BLE5_getRxTimestamp(const RCL_Buffer_DataEntry *rxEntry);
147 
148 /**
149  *  @brief  Get the expected start time delta associated with sending an auxiliary advertising indication
150  *
151  *  Returns the expected time delta between the start time of a non-connectable/non-scannable ADV_EXT_IND
152  *  sent over a specific PHY on a defined channel map, and the start time of an AUX_ADV_IND that contains
153  *  the SyncInfo field needed for periodic advertising establishment.
154  *
155  *  @param  phyFeatures         PHY feature selector
156  *  @param  chMap               Channel map. Bit positions 0-2 correspond to channels 37-39
157  *  @param  advPayloadLen       Payload length of ADV_EXT_IND
158  *
159  *  @return Time delta in 250[ns] units between the start time of the ADV_EXT_IND and the start time of the AUX_ADV_IND
160  */
161 uint32_t RCL_BLE5_getAuxAdvStartTimeDelta(uint16_t phyFeatures, uint8_t chMap, uint8_t advPayloadLen);
162 
163 
164 #endif /* ti_drivers_RCL_handlers_ble5_h__include */
165