-
Notifications
You must be signed in to change notification settings - Fork 7k
/
bt.c
1194 lines (1006 loc) · 35.2 KB
/
bt.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "esp_random.h"
#include "esp_heap_caps.h"
#include "esp_heap_caps_init.h"
#include <esp_mac.h>
#include "sdkconfig.h"
#include "nimble/nimble_port.h"
#include "nimble/nimble_port_freertos.h"
#ifdef ESP_PLATFORM
#include "esp_log.h"
#endif
#if CONFIG_SW_COEXIST_ENABLE
#include "esp_coexist_internal.h"
#endif
#include "nimble/nimble_npl_os.h"
#include "nimble/ble_hci_trans.h"
#include "os/endian.h"
#include "esp_bt.h"
#include "esp_intr_alloc.h"
#include "esp_sleep.h"
#include "esp_pm.h"
#include "esp_phy_init.h"
#include "soc/syscon_reg.h"
#include "soc/modem_clkrst_reg.h"
#include "esp_private/periph_ctrl.h"
#include "hci_uart.h"
#include "bt_osi_mem.h"
#ifdef CONFIG_BT_BLUEDROID_ENABLED
#include "hci/hci_hal.h"
#endif
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_private/periph_ctrl.h"
#include "esp_sleep.h"
#include "soc/syscon_reg.h"
#include "soc/dport_access.h"
/* Macro definition
************************************************************************
*/
#define NIMBLE_PORT_LOG_TAG "BLE_INIT"
#define OSI_COEX_VERSION 0x00010006
#define OSI_COEX_MAGIC_VALUE 0xFADEBEAD
#define EXT_FUNC_VERSION 0x20221122
#define EXT_FUNC_MAGIC_VALUE 0xA5A5A5A5
#define BT_ASSERT_PRINT ets_printf
#ifdef CONFIG_BT_BLUEDROID_ENABLED
/* ACL_DATA_MBUF_LEADINGSPCAE: The leadingspace in user info header for ACL data */
#define ACL_DATA_MBUF_LEADINGSPCAE 4
#endif
/* Types definition
************************************************************************
*/
struct osi_coex_funcs_t {
uint32_t _magic;
uint32_t _version;
void (* _coex_wifi_sleep_set)(bool sleep);
int (* _coex_core_ble_conn_dyn_prio_get)(bool *low, bool *high);
void (* _coex_schm_status_bit_set)(uint32_t type, uint32_t status);
void (* _coex_schm_status_bit_clear)(uint32_t type, uint32_t status);
};
struct ext_funcs_t {
uint32_t ext_version;
int (*_esp_intr_alloc)(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle);
int (*_esp_intr_free)(void **ret_handle);
void *(* _malloc)(size_t size);
void (*_free)(void *p);
void (*_hal_uart_start_tx)(int);
int (*_hal_uart_init_cbs)(int, hci_uart_tx_char, hci_uart_tx_done, hci_uart_rx_char, void *);
int (*_hal_uart_config)(int, int32_t, uint8_t, uint8_t, uart_parity_t, uart_hw_flowcontrol_t);
int (*_hal_uart_close)(int);
void (*_hal_uart_blocking_tx)(int, uint8_t);
int (*_hal_uart_init)(int, void *);
int (* _task_create)(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id);
void (* _task_delete)(void *task_handle);
void (*_osi_assert)(const uint32_t ln, const char *fn, uint32_t param1, uint32_t param2);
uint32_t (* _os_random)(void);
int (* _ecc_gen_key_pair)(uint8_t *public, uint8_t *priv);
int (* _ecc_gen_dh_key)(const uint8_t *remote_pub_key_x, const uint8_t *remote_pub_key_y, const uint8_t *local_priv_key, uint8_t *dhkey);
void (* _esp_reset_rpa_moudle)(void);
void (* _esp_bt_track_pll_cap)(void);
uint32_t magic;
};
/* External functions or variables
************************************************************************
*/
extern int ble_osi_coex_funcs_register(struct osi_coex_funcs_t *coex_funcs);
extern int ble_controller_init(esp_bt_controller_config_t *cfg);
extern int ble_controller_deinit(void);
extern int ble_controller_enable(uint8_t mode);
extern int ble_controller_disable(void);
extern int esp_register_ext_funcs (struct ext_funcs_t *);
extern void esp_unregister_ext_funcs (void);
extern int esp_ble_ll_set_public_addr(const uint8_t *addr);
extern int esp_register_npl_funcs (struct npl_funcs_t *p_npl_func);
extern void esp_unregister_npl_funcs (void);
extern void npl_freertos_mempool_deinit(void);
extern void bt_bb_v2_init_cmplx(uint8_t i);
extern int os_msys_buf_alloc(void);
extern uint32_t r_os_cputime_get32(void);
extern uint32_t r_os_cputime_ticks_to_usecs(uint32_t ticks);
extern void r_ble_lll_rfmgmt_set_sleep_cb(void *s_cb, void *w_cb, void *s_arg, void *w_arg, uint32_t us_to_enabled);
extern void r_ble_rtc_wake_up_state_clr(void);
extern int os_msys_init(void);
extern void os_msys_buf_free(void);
extern int ble_sm_alg_gen_dhkey(const uint8_t *peer_pub_key_x,
const uint8_t *peer_pub_key_y,
const uint8_t *our_priv_key, uint8_t *out_dhkey);
extern int ble_sm_alg_gen_key_pair(uint8_t *pub, uint8_t *priv);
extern int ble_txpwr_set(esp_ble_enhanced_power_type_t power_type, uint16_t handle, int power_level);
extern int ble_txpwr_get(esp_ble_enhanced_power_type_t power_type, uint16_t handle);
extern int ble_get_npl_element_info(esp_bt_controller_config_t *cfg, ble_npl_count_info_t * npl_info);
extern uint32_t _bt_bss_start;
extern uint32_t _bt_bss_end;
extern uint32_t _nimble_bss_start;
extern uint32_t _nimble_bss_end;
extern uint32_t _nimble_data_start;
extern uint32_t _nimble_data_end;
extern uint32_t _bt_data_start;
extern uint32_t _bt_data_end;
/* Local Function Declaration
*********************************************************************
*/
static void coex_schm_status_bit_set_wrapper(uint32_t type, uint32_t status);
static void coex_schm_status_bit_clear_wrapper(uint32_t type, uint32_t status);
static int task_create_wrapper(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id);
static void task_delete_wrapper(void *task_handle);
#if CONFIG_BT_LE_HCI_INTERFACE_USE_UART
static void hci_uart_start_tx_wrapper(int uart_no);
static int hci_uart_init_cbs_wrapper(int uart_no, hci_uart_tx_char tx_func,
hci_uart_tx_done tx_done, hci_uart_rx_char rx_func, void *arg);
static int hci_uart_config_wrapper(int uart_no, int32_t speed, uint8_t databits, uint8_t stopbits,
uart_parity_t parity, uart_hw_flowcontrol_t flow_ctl);
static int hci_uart_close_wrapper(int uart_no);
static void hci_uart_blocking_tx_wrapper(int port, uint8_t data);
static int hci_uart_init_wrapper(int uart_no, void *cfg);
#endif
static int esp_intr_alloc_wrapper(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle_in);
static int esp_intr_free_wrapper(void **ret_handle);
static void osi_assert_wrapper(const uint32_t ln, const char *fn, uint32_t param1, uint32_t param2);
static uint32_t osi_random_wrapper(void);
static void esp_reset_rpa_moudle(void);
/* Local variable definition
***************************************************************************
*/
/* Static variable declare */
static DRAM_ATTR esp_bt_controller_status_t ble_controller_status = ESP_BT_CONTROLLER_STATUS_IDLE;
/* This variable tells if BLE is running */
static bool s_ble_active = false;
#ifdef CONFIG_PM_ENABLE
static DRAM_ATTR esp_pm_lock_handle_t s_pm_lock = NULL;
#define BTDM_MIN_TIMER_UNCERTAINTY_US (200)
#endif /* #ifdef CONFIG_PM_ENABLE */
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
#define BLE_RTC_DELAY_US (1100)
#endif
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
#define BLE_RTC_DELAY_US (0)
static void ble_sleep_timer_callback(void *arg);
static DRAM_ATTR esp_timer_handle_t s_ble_sleep_timer = NULL;
#endif
static const struct osi_coex_funcs_t s_osi_coex_funcs_ro = {
._magic = OSI_COEX_MAGIC_VALUE,
._version = OSI_COEX_VERSION,
._coex_wifi_sleep_set = NULL,
._coex_core_ble_conn_dyn_prio_get = NULL,
._coex_schm_status_bit_set = coex_schm_status_bit_set_wrapper,
._coex_schm_status_bit_clear = coex_schm_status_bit_clear_wrapper,
};
struct ext_funcs_t ext_funcs_ro = {
.ext_version = EXT_FUNC_VERSION,
._esp_intr_alloc = esp_intr_alloc_wrapper,
._esp_intr_free = esp_intr_free_wrapper,
._malloc = bt_osi_mem_malloc_internal,
._free = bt_osi_mem_free,
#if CONFIG_BT_LE_HCI_INTERFACE_USE_UART
._hal_uart_start_tx = hci_uart_start_tx_wrapper,
._hal_uart_init_cbs = hci_uart_init_cbs_wrapper,
._hal_uart_config = hci_uart_config_wrapper,
._hal_uart_close = hci_uart_close_wrapper,
._hal_uart_blocking_tx = hci_uart_blocking_tx_wrapper,
._hal_uart_init = hci_uart_init_wrapper,
#endif //CONFIG_BT_LE_HCI_INTERFACE_USE_UART
._task_create = task_create_wrapper,
._task_delete = task_delete_wrapper,
._osi_assert = osi_assert_wrapper,
._os_random = osi_random_wrapper,
._ecc_gen_key_pair = ble_sm_alg_gen_key_pair,
._ecc_gen_dh_key = ble_sm_alg_gen_dhkey,
._esp_reset_rpa_moudle = esp_reset_rpa_moudle,
.magic = EXT_FUNC_MAGIC_VALUE,
};
static void IRAM_ATTR esp_reset_rpa_moudle(void)
{
DPORT_SET_PERI_REG_MASK(SYSTEM_CORE_RST_EN_REG, BLE_RPA_REST_BIT);
DPORT_CLEAR_PERI_REG_MASK(SYSTEM_CORE_RST_EN_REG, BLE_RPA_REST_BIT);
}
static void IRAM_ATTR osi_assert_wrapper(const uint32_t ln, const char *fn, uint32_t param1, uint32_t param2)
{
BT_ASSERT_PRINT("BLE assert: line %d in function %s, param: 0x%x, 0x%x", ln, fn, param1, param2);
assert(0);
}
static uint32_t IRAM_ATTR osi_random_wrapper(void)
{
return esp_random();
}
static void coex_schm_status_bit_set_wrapper(uint32_t type, uint32_t status)
{
#if CONFIG_SW_COEXIST_ENABLE
coex_schm_status_bit_set(type, status);
#endif
}
static void coex_schm_status_bit_clear_wrapper(uint32_t type, uint32_t status)
{
#if CONFIG_SW_COEXIST_ENABLE
coex_schm_status_bit_clear(type, status);
#endif
}
#ifdef CONFIG_BT_BLUEDROID_ENABLED
bool esp_vhci_host_check_send_available(void)
{
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_ENABLED) {
return false;
}
return true;
}
/**
* Allocates an mbuf for use by the nimble host.
*/
static struct os_mbuf *ble_hs_mbuf_gen_pkt(uint16_t leading_space)
{
struct os_mbuf *om;
int rc;
om = os_msys_get_pkthdr(0, 0);
if (om == NULL) {
return NULL;
}
if (om->om_omp->omp_databuf_len < leading_space) {
rc = os_mbuf_free_chain(om);
assert(rc == 0);
return NULL;
}
om->om_data += leading_space;
return om;
}
/**
* Allocates an mbuf suitable for an HCI ACL data packet.
*
* @return An empty mbuf on success; null on memory
* exhaustion.
*/
struct os_mbuf *ble_hs_mbuf_acl_pkt(void)
{
return ble_hs_mbuf_gen_pkt(4 + 1);
}
void esp_vhci_host_send_packet(uint8_t *data, uint16_t len)
{
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_ENABLED) {
return;
}
if (*(data) == DATA_TYPE_COMMAND) {
struct ble_hci_cmd *cmd = NULL;
cmd = (struct ble_hci_cmd *) ble_hci_trans_buf_alloc(BLE_HCI_TRANS_BUF_CMD);
memcpy((uint8_t *)cmd, data + 1, len - 1);
ble_hci_trans_hs_cmd_tx((uint8_t *)cmd);
}
if (*(data) == DATA_TYPE_ACL) {
struct os_mbuf *om = os_msys_get_pkthdr(len, ACL_DATA_MBUF_LEADINGSPCAE);
assert(om);
os_mbuf_append(om, &data[1], len - 1);
ble_hci_trans_hs_acl_tx(om);
}
}
esp_err_t esp_vhci_host_register_callback(const esp_vhci_host_callback_t *callback)
{
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_ENABLED) {
return ESP_FAIL;
}
ble_hci_trans_cfg_hs(ble_hs_hci_rx_evt, NULL, ble_hs_rx_data, NULL);
return ESP_OK;
}
#endif
static int task_create_wrapper(void *task_func, const char *name, uint32_t stack_depth, void *param, uint32_t prio, void *task_handle, uint32_t core_id)
{
return (uint32_t)xTaskCreatePinnedToCore(task_func, name, stack_depth, param, prio, task_handle, (core_id < portNUM_PROCESSORS ? core_id : tskNO_AFFINITY));
}
static void task_delete_wrapper(void *task_handle)
{
vTaskDelete(task_handle);
}
#ifdef CONFIG_BT_LE_HCI_INTERFACE_USE_UART
static void hci_uart_start_tx_wrapper(int uart_no)
{
hci_uart_start_tx(uart_no);
}
static int hci_uart_init_cbs_wrapper(int uart_no, hci_uart_tx_char tx_func,
hci_uart_tx_done tx_done, hci_uart_rx_char rx_func, void *arg)
{
int rc = -1;
rc = hci_uart_init_cbs(uart_no, tx_func, tx_done, rx_func, arg);
return rc;
}
static int hci_uart_config_wrapper(int port_num, int32_t baud_rate, uint8_t data_bits, uint8_t stop_bits,
uart_parity_t parity, uart_hw_flowcontrol_t flow_ctl)
{
int rc = -1;
rc = hci_uart_config(port_num, baud_rate, data_bits, stop_bits, parity, flow_ctl);
return rc;
}
static int hci_uart_close_wrapper(int uart_no)
{
int rc = -1;
rc = hci_uart_close(uart_no);
return rc;
}
static void hci_uart_blocking_tx_wrapper(int port, uint8_t data)
{
//This function is nowhere to use.
}
static int hci_uart_init_wrapper(int uart_no, void *cfg)
{
//This function is nowhere to use.
return 0;
}
#endif //CONFIG_BT_LE_HCI_INTERFACE_USE_UART
static int ble_hci_unregistered_hook(void*, void*)
{
ESP_LOGD(NIMBLE_PORT_LOG_TAG,"%s ble hci rx_evt is not registered.",__func__);
return 0;
}
static int esp_intr_alloc_wrapper(int source, int flags, intr_handler_t handler, void *arg, void **ret_handle_in)
{
int rc = esp_intr_alloc(source, flags | ESP_INTR_FLAG_IRAM, handler, arg, (intr_handle_t *)ret_handle_in);
return rc;
}
static int esp_intr_free_wrapper(void **ret_handle)
{
int rc = 0;
rc = esp_intr_free((intr_handle_t) * ret_handle);
*ret_handle = NULL;
return rc;
}
IRAM_ATTR void controller_sleep_cb(uint32_t enable_tick, void *arg)
{
if (!s_ble_active) {
return;
}
#ifdef CONFIG_PM_ENABLE
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
uint32_t delta_tick;
uint32_t us_to_sleep;
uint32_t sleep_tick;
uint32_t tick_invalid = *(uint32_t*)(arg);
assert(arg != NULL);
if (!tick_invalid) {
sleep_tick = r_os_cputime_get32();
// start a timer to wake up and acquire the pm_lock before modem_sleep awakes
delta_tick = enable_tick - sleep_tick;
if (delta_tick & 0x80000000) {
return;
}
us_to_sleep = r_os_cputime_ticks_to_usecs(delta_tick);
if (us_to_sleep <= BTDM_MIN_TIMER_UNCERTAINTY_US) {
return;
}
esp_err_t err = esp_timer_start_once(s_ble_sleep_timer, us_to_sleep - BTDM_MIN_TIMER_UNCERTAINTY_US);
if (err != ESP_OK) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "ESP timer start failed\n");
return;
}
}
#endif // CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
r_ble_rtc_wake_up_state_clr();
#endif
esp_pm_lock_release(s_pm_lock);
#endif // CONFIG_PM_ENABLE
esp_phy_disable();
s_ble_active = false;
}
IRAM_ATTR void controller_wakeup_cb(void *arg)
{
if (s_ble_active) {
return;
}
esp_phy_enable();
// need to check if need to call pm lock here
#ifdef CONFIG_PM_ENABLE
esp_pm_lock_acquire(s_pm_lock);
#endif //CONFIG_PM_ENABLE
s_ble_active = true;
}
#ifdef CONFIG_PM_ENABLE
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
static void ble_sleep_timer_callback(void * arg)
{
}
#endif // CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
#endif // CONFIG_PM_ENABLE
esp_err_t controller_sleep_init(void)
{
esp_err_t rc = 0;
#ifdef CONFIG_BT_LE_SLEEP_ENABLE
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "BLE modem sleep is enabled\n");
r_ble_lll_rfmgmt_set_sleep_cb(controller_sleep_cb, controller_wakeup_cb, 0, 0, 500 + BLE_RTC_DELAY_US);
#ifdef CONFIG_PM_ENABLE
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_ON);
#endif // CONFIG_PM_ENABLE
#endif // CONFIG_BT_LE_SLEEP_ENABLE
// enable light sleep
#ifdef CONFIG_PM_ENABLE
rc = esp_pm_lock_create(ESP_PM_CPU_FREQ_MAX, 0, "bt", &s_pm_lock);
if (rc != ESP_OK) {
goto error;
}
esp_pm_lock_acquire(s_pm_lock);
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
esp_timer_create_args_t create_args = {
.callback = ble_sleep_timer_callback,
.arg = NULL,
.name = "btSlp"
};
rc = esp_timer_create(&create_args, &s_ble_sleep_timer);
if (rc != ESP_OK) {
goto error;
}
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "Enable light sleep, the wake up source is ESP timer");
#endif //CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
esp_sleep_enable_bt_wakeup();
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "Enable light sleep, the wake up source is BLE timer");
#endif // CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
return rc;
error:
/*lock should release first and then delete*/
if (s_pm_lock != NULL) {
esp_pm_lock_release(s_pm_lock);
esp_pm_lock_delete(s_pm_lock);
s_pm_lock = NULL;
}
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
if (s_ble_sleep_timer != NULL) {
esp_timer_stop(s_ble_sleep_timer);
esp_timer_delete(s_ble_sleep_timer);
s_ble_sleep_timer = NULL;
}
#endif // CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
esp_sleep_disable_bt_wakeup();
#endif // CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
#endif //CONFIG_PM_ENABLE
return rc;
}
void controller_sleep_deinit(void)
{
#ifdef CONFIG_PM_ENABLE
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
r_ble_rtc_wake_up_state_clr();
esp_sleep_disable_bt_wakeup();
#endif //CONFIG_BT_LE_WAKEUP_SOURCE_BLE_RTC_TIMER
esp_sleep_pd_config(ESP_PD_DOMAIN_XTAL, ESP_PD_OPTION_AUTO);
/*lock should release first and then delete*/
if (s_ble_active) {
esp_pm_lock_release(s_pm_lock);
}
esp_pm_lock_delete(s_pm_lock);
s_pm_lock = NULL;
#ifdef CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
if (s_ble_sleep_timer != NULL) {
esp_timer_stop(s_ble_sleep_timer);
esp_timer_delete(s_ble_sleep_timer);
s_ble_sleep_timer = NULL;
}
#endif //CONFIG_BT_LE_WAKEUP_SOURCE_CPU_RTC_TIMER
#endif //CONFIG_PM_ENABLE
}
void ble_rtc_clk_init(void)
{
// modem_clkrst_reg
// LP_TIMER_SEL_XTAL32K -> 0
// LP_TIMER_SEL_XTAL -> 1
// LP_TIMER_SEL_8M -> 0
// LP_TIMER_SEL_RTC_SLOW -> 0
SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 0, MODEM_CLKRST_LP_TIMER_SEL_XTAL32K_S);
SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 1, MODEM_CLKRST_LP_TIMER_SEL_XTAL_S);
SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 0, MODEM_CLKRST_LP_TIMER_SEL_8M_S);
SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, 1, 0, MODEM_CLKRST_LP_TIMER_SEL_RTC_SLOW_S);
#ifdef CONFIG_XTAL_FREQ_26
// LP_TIMER_CLK_DIV_NUM -> 130
SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM, 129, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM_S);
#else
// LP_TIMER_CLK_DIV_NUM -> 250
SET_PERI_REG_BITS(MODEM_CLKRST_MODEM_LP_TIMER_CONF_REG, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM, 249, MODEM_CLKRST_LP_TIMER_CLK_DIV_NUM_S);
#endif // CONFIG_XTAL_FREQ_26
// MODEM_CLKRST_ETM_CLK_ACTIVE -> 1
// MODEM_CLKRST_ETM_CLK_SEL -> 0
SET_PERI_REG_BITS(MODEM_CLKRST_ETM_CLK_CONF_REG, 1, 1, MODEM_CLKRST_ETM_CLK_ACTIVE_S);
SET_PERI_REG_BITS(MODEM_CLKRST_ETM_CLK_CONF_REG, 1, 0, MODEM_CLKRST_ETM_CLK_SEL_S);
}
esp_err_t esp_bt_controller_init(esp_bt_controller_config_t *cfg)
{
esp_err_t ret = ESP_OK;
ble_npl_count_info_t npl_info;
memset(&npl_info, 0, sizeof(ble_npl_count_info_t));
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_IDLE) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
return ESP_ERR_INVALID_STATE;
}
if (!cfg) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "cfg is NULL");
return ESP_ERR_INVALID_ARG;
}
ble_rtc_clk_init();
ret = esp_register_ext_funcs(&ext_funcs_ro);
if (ret != ESP_OK) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "register extend functions failed");
return ret;
}
/* Initialize the function pointers for OS porting */
npl_freertos_funcs_init();
struct npl_funcs_t *p_npl_funcs = npl_freertos_funcs_get();
if (!p_npl_funcs) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "npl functions get failed");
return ESP_ERR_INVALID_ARG;
}
ret = esp_register_npl_funcs(p_npl_funcs);
if (ret != ESP_OK) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "npl functions register failed");
goto free_mem;
}
ble_get_npl_element_info(cfg, &npl_info);
npl_freertos_set_controller_npl_info(&npl_info);
if (npl_freertos_mempool_init() != 0) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "npl mempool init failed");
ret = ESP_ERR_INVALID_ARG;
goto free_mem;
}
/* Initialize the global memory pool */
ret = os_msys_buf_alloc();
if (ret != ESP_OK) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "os msys alloc failed");
goto free_mem;
}
os_msys_init();
#if CONFIG_BT_NIMBLE_ENABLED
// ble_npl_eventq_init() need to use npl function in rom and must be called after esp_bt_controller_init()
/* Initialize default event queue */
ble_npl_eventq_init(nimble_port_get_dflt_eventq());
#endif
esp_phy_modem_init();
periph_module_enable(PERIPH_BT_MODULE);
// init phy
esp_phy_enable();
s_ble_active = true;
// init bb
bt_bb_v2_init_cmplx(1);
if (ble_osi_coex_funcs_register((struct osi_coex_funcs_t *)&s_osi_coex_funcs_ro) != 0) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "osi coex funcs reg failed");
ret = ESP_ERR_INVALID_ARG;
goto free_controller;
}
#if CONFIG_SW_COEXIST_ENABLE
coex_init();
#endif
ret = ble_controller_init(cfg);
if (ret != ESP_OK) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "ble_controller_init failed %d", ret);
goto free_controller;
}
ret = controller_sleep_init();
if (ret != ESP_OK) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "controller_sleep_init failed %d", ret);
goto free_controller;
}
uint8_t mac[6];
ESP_ERROR_CHECK(esp_read_mac((uint8_t *)mac, ESP_MAC_BT));
swap_in_place(mac, 6);
esp_ble_ll_set_public_addr(mac);
ble_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
ble_hci_trans_cfg_hs((ble_hci_trans_rx_cmd_fn *)ble_hci_unregistered_hook,NULL,
(ble_hci_trans_rx_acl_fn *)ble_hci_unregistered_hook,NULL);
return ESP_OK;
free_controller:
controller_sleep_deinit();
ble_controller_deinit();
esp_phy_disable();
esp_phy_modem_deinit();
#if CONFIG_BT_NIMBLE_ENABLED
ble_npl_eventq_deinit(nimble_port_get_dflt_eventq());
#endif // CONFIG_BT_NIMBLE_ENABLED
free_mem:
os_msys_buf_free();
npl_freertos_mempool_deinit();
esp_unregister_npl_funcs();
npl_freertos_funcs_deinit();
esp_unregister_ext_funcs();
return ret;
}
esp_err_t esp_bt_controller_deinit(void)
{
if ((ble_controller_status < ESP_BT_CONTROLLER_STATUS_INITED) || (ble_controller_status >= ESP_BT_CONTROLLER_STATUS_ENABLED)) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
return ESP_FAIL;
}
controller_sleep_deinit();
if (s_ble_active) {
esp_phy_disable();
s_ble_active = false;
}
ble_controller_deinit();
#if CONFIG_BT_NIMBLE_ENABLED
/* De-initialize default event queue */
ble_npl_eventq_deinit(nimble_port_get_dflt_eventq());
#endif
os_msys_buf_free();
esp_unregister_npl_funcs();
esp_unregister_ext_funcs();
/* De-initialize npl functions */
npl_freertos_funcs_deinit();
npl_freertos_mempool_deinit();
esp_phy_modem_deinit();
ble_controller_status = ESP_BT_CONTROLLER_STATUS_IDLE;
return ESP_OK;
}
esp_err_t esp_bt_controller_enable(esp_bt_mode_t mode)
{
esp_err_t ret = ESP_OK;
if (mode != ESP_BT_MODE_BLE) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller mode");
return ESP_FAIL;
}
if (ble_controller_status != ESP_BT_CONTROLLER_STATUS_INITED) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
return ESP_FAIL;
}
#if CONFIG_SW_COEXIST_ENABLE
coex_enable();
#endif
if (ble_controller_enable(mode) != 0) {
ret = ESP_FAIL;
goto error;
}
ble_controller_status = ESP_BT_CONTROLLER_STATUS_ENABLED;
return ESP_OK;
error:
#if CONFIG_SW_COEXIST_ENABLE
coex_disable();
#endif
return ret;
}
esp_err_t esp_bt_controller_disable(void)
{
if (ble_controller_status < ESP_BT_CONTROLLER_STATUS_ENABLED) {
ESP_LOGW(NIMBLE_PORT_LOG_TAG, "invalid controller state");
return ESP_FAIL;
}
if (ble_controller_disable() != 0) {
return ESP_FAIL;
}
#if CONFIG_SW_COEXIST_ENABLE
coex_disable();
#endif
ble_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
return ESP_OK;
}
esp_err_t esp_bt_controller_mem_release(esp_bt_mode_t mode)
{
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "%s not implemented, return OK", __func__);
return ESP_OK;
}
static esp_err_t try_heap_caps_add_region(intptr_t start, intptr_t end)
{
int ret = heap_caps_add_region(start, end);
/* heap_caps_add_region() returns ESP_ERR_INVALID_SIZE if the memory region is
* is too small to fit a heap. This cannot be termed as a fatal error and hence
* we replace it by ESP_OK
*/
if (ret == ESP_ERR_INVALID_SIZE) {
return ESP_OK;
}
return ret;
}
esp_err_t esp_bt_mem_release(esp_bt_mode_t mode)
{
intptr_t mem_start, mem_end;
if (mode == ESP_BT_MODE_BLE) {
mem_start = (intptr_t)&_bt_bss_start;
mem_end = (intptr_t)&_bt_bss_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release BT BSS [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_bt_data_start;
mem_end = (intptr_t)&_bt_data_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release BT Data [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_nimble_bss_start;
mem_end = (intptr_t)&_nimble_bss_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release NimBLE BSS [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
mem_start = (intptr_t)&_nimble_data_start;
mem_end = (intptr_t)&_nimble_data_end;
if (mem_start != mem_end) {
ESP_LOGD(NIMBLE_PORT_LOG_TAG, "Release NimBLE Data [0x%08x] - [0x%08x]", mem_start, mem_end);
ESP_ERROR_CHECK(try_heap_caps_add_region(mem_start, mem_end));
}
}
return ESP_OK;
}
esp_bt_controller_status_t esp_bt_controller_get_status(void)
{
return ble_controller_status;
}
/* extra functions */
esp_err_t esp_ble_tx_power_set(esp_ble_power_type_t power_type, esp_power_level_t power_level)
{
esp_err_t stat = ESP_FAIL;
switch (power_type) {
case ESP_BLE_PWR_TYPE_DEFAULT:
case ESP_BLE_PWR_TYPE_ADV:
case ESP_BLE_PWR_TYPE_SCAN:
if (ble_txpwr_set(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0, power_level) == 0) {
stat = ESP_OK;
}
break;
case ESP_BLE_PWR_TYPE_CONN_HDL0:
case ESP_BLE_PWR_TYPE_CONN_HDL1:
case ESP_BLE_PWR_TYPE_CONN_HDL2:
case ESP_BLE_PWR_TYPE_CONN_HDL3:
case ESP_BLE_PWR_TYPE_CONN_HDL4:
case ESP_BLE_PWR_TYPE_CONN_HDL5:
case ESP_BLE_PWR_TYPE_CONN_HDL6:
case ESP_BLE_PWR_TYPE_CONN_HDL7:
case ESP_BLE_PWR_TYPE_CONN_HDL8:
if (ble_txpwr_set(ESP_BLE_ENHANCED_PWR_TYPE_CONN, power_type, power_level) == 0) {
stat = ESP_OK;
}
break;
default:
stat = ESP_ERR_NOT_SUPPORTED;
break;
}
return stat;
}
esp_err_t esp_ble_tx_power_set_enhanced(esp_ble_enhanced_power_type_t power_type, uint16_t handle, esp_power_level_t power_level)
{
esp_err_t stat = ESP_FAIL;
switch (power_type) {
case ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT:
case ESP_BLE_ENHANCED_PWR_TYPE_SCAN:
case ESP_BLE_ENHANCED_PWR_TYPE_INIT:
if (ble_txpwr_set(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0, power_level) == 0) {
stat = ESP_OK;
}
break;
case ESP_BLE_ENHANCED_PWR_TYPE_ADV:
case ESP_BLE_ENHANCED_PWR_TYPE_CONN:
if (ble_txpwr_set(power_type, handle, power_level) == 0) {
stat = ESP_OK;
}
break;
default:
stat = ESP_ERR_NOT_SUPPORTED;
break;
}
return stat;
}
esp_power_level_t esp_ble_tx_power_get(esp_ble_power_type_t power_type)
{
int tx_level = 0;
switch (power_type) {
case ESP_BLE_PWR_TYPE_ADV:
case ESP_BLE_PWR_TYPE_SCAN:
case ESP_BLE_PWR_TYPE_DEFAULT:
tx_level = ble_txpwr_get(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0);
break;
case ESP_BLE_PWR_TYPE_CONN_HDL0:
case ESP_BLE_PWR_TYPE_CONN_HDL1:
case ESP_BLE_PWR_TYPE_CONN_HDL2:
case ESP_BLE_PWR_TYPE_CONN_HDL3:
case ESP_BLE_PWR_TYPE_CONN_HDL4:
case ESP_BLE_PWR_TYPE_CONN_HDL5:
case ESP_BLE_PWR_TYPE_CONN_HDL6:
case ESP_BLE_PWR_TYPE_CONN_HDL7:
case ESP_BLE_PWR_TYPE_CONN_HDL8:
tx_level = ble_txpwr_get(ESP_BLE_ENHANCED_PWR_TYPE_CONN, power_type);
break;
default:
return ESP_PWR_LVL_INVALID;
}
if (tx_level < 0) {
return ESP_PWR_LVL_INVALID;
}
return (esp_power_level_t)tx_level;
}
esp_power_level_t esp_ble_tx_power_get_enhanced(esp_ble_enhanced_power_type_t power_type, uint16_t handle)
{
int tx_level = 0;
switch (power_type) {
case ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT:
case ESP_BLE_ENHANCED_PWR_TYPE_SCAN:
case ESP_BLE_ENHANCED_PWR_TYPE_INIT:
tx_level = ble_txpwr_get(ESP_BLE_ENHANCED_PWR_TYPE_DEFAULT, 0);
break;
case ESP_BLE_ENHANCED_PWR_TYPE_ADV:
case ESP_BLE_ENHANCED_PWR_TYPE_CONN:
tx_level = ble_txpwr_get(power_type, handle);
break;
default:
return ESP_PWR_LVL_INVALID;
}
if (tx_level < 0) {
return ESP_PWR_LVL_INVALID;
}
return (esp_power_level_t)tx_level;
}
#if (!CONFIG_BT_NIMBLE_ENABLED) && (CONFIG_BT_CONTROLLER_ENABLED == true)
#define BLE_SM_KEY_ERR 0x17
#if CONFIG_BT_LE_CRYPTO_STACK_MBEDTLS
#include "mbedtls/aes.h"
#if CONFIG_BT_LE_SM_SC
#include "mbedtls/cipher.h"
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/cmac.h"
#include "mbedtls/ecdh.h"
#include "mbedtls/ecp.h"
#endif
#else
#include "tinycrypt/aes.h"
#include "tinycrypt/constants.h"
#include "tinycrypt/utils.h"
#if CONFIG_BT_LE_SM_SC
#include "tinycrypt/cmac_mode.h"
#include "tinycrypt/ecc_dh.h"
#endif
#endif