/
main.c
1796 lines (1493 loc) · 57.2 KB
/
main.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
/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
* This notice applies to any and all portions of this file
* that are not between comment pairs USER CODE BEGIN and
* USER CODE END. Other portions of this file, whether
* inserted by the user or by software development tools
* are owned by their respective copyright owners.
*
* Copyright (c) 2018 STMicroelectronics International N.V.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions are met:
*
* 1. Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of other
* contributors to this software may be used to endorse or promote products
* derived from this software without specific written permission.
* 4. This software, including modifications and/or derivative works of this
* software, must execute solely and exclusively on microcontroller or
* microprocessor devices manufactured by or for STMicroelectronics.
* 5. Redistribution and use of this software other than as permitted under
* this license is void and will automatically terminate your rights under
* this license.
*
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
* SHALL STMICROELECTRONICS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32l4xx_hal.h"
#include "cmsis_os.h"
#include "usb_device.h"
/* USER CODE BEGIN Includes */
#include "usbd_core.h"
#include "IOEventTask.h"
#include "PortInterface.h"
#include "LEDIndicator.h"
#include "bm78.h"
#include "KissHardware.h"
#include "Log.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
ADC_HandleTypeDef hadc1;
DMA_HandleTypeDef hdma_adc1;
CRC_HandleTypeDef hcrc;
DAC_HandleTypeDef hdac1;
DMA_HandleTypeDef hdma_dac_ch1;
I2C_HandleTypeDef hi2c1;
DMA_HandleTypeDef hdma_i2c1_tx;
DMA_HandleTypeDef hdma_i2c1_rx;
IWDG_HandleTypeDef hiwdg;
OPAMP_HandleTypeDef hopamp1;
RNG_HandleTypeDef hrng;
RTC_HandleTypeDef hrtc;
TIM_HandleTypeDef htim1;
TIM_HandleTypeDef htim6;
TIM_HandleTypeDef htim7;
UART_HandleTypeDef huart3;
DMA_HandleTypeDef hdma_usart3_tx;
DMA_HandleTypeDef hdma_usart3_rx;
osThreadId defaultTaskHandle;
uint32_t defaultTaskBuffer[ 256 ];
osStaticThreadDef_t defaultTaskControlBlock;
osThreadId ioEventTaskHandle;
uint32_t ioEventTaskBuffer[ 384 ];
osStaticThreadDef_t ioEventTaskControlBlock;
osThreadId audioInputTaskHandle;
uint32_t audioInputTaskBuffer[ 512 ];
osStaticThreadDef_t audioInputTaskControlBlock;
osThreadId modulatorTaskHandle;
uint32_t modulatorTaskBuffer[ 384 ];
osStaticThreadDef_t modulatorTaskControlBlock;
osMessageQId ioEventQueueHandle;
uint8_t ioEventQueueBuffer[ 16 * sizeof( uint32_t ) ];
osStaticMessageQDef_t ioEventQueueControlBlock;
osMessageQId serialInputQueueHandle;
uint8_t serialInputQueueBuffer[ 16 * sizeof( uint32_t ) ];
osStaticMessageQDef_t serialInputQueueControlBlock;
osMessageQId serialOutputQueueHandle;
uint8_t serialOutputQueueBuffer[ 16 * sizeof( uint32_t ) ];
osStaticMessageQDef_t serialOutputQueueControlBlock;
osMessageQId audioInputQueueHandle;
uint8_t audioInputQueueBuffer[ 8 * sizeof( uint32_t ) ];
osStaticMessageQDef_t audioInputQueueControlBlock;
osMessageQId hdlcInputQueueHandle;
uint8_t hdlcInputQueueBuffer[ 3 * sizeof( uint32_t ) ];
osStaticMessageQDef_t hdlcInputQueueControlBlock;
osMessageQId hdlcOutputQueueHandle;
uint8_t hdlcOutputQueueBuffer[ 8 * sizeof( uint32_t ) ];
osStaticMessageQDef_t hdlcOutputQueueControlBlock;
osMessageQId dacOutputQueueHandle;
uint8_t dacOutputQueueBuffer[ 128 * sizeof( uint8_t ) ];
osStaticMessageQDef_t dacOutputQueueControlBlock;
osMessageQId adcInputQueueHandle;
uint8_t adcInputQueueBuffer[ 8 * sizeof( uint32_t ) ];
osStaticMessageQDef_t adcInputQueueControlBlock;
osTimerId beaconTimer1Handle;
osStaticTimerDef_t beaconTimer1ControlBlock;
osTimerId beaconTimer2Handle;
osStaticTimerDef_t beaconTimer2ControlBlock;
osTimerId beaconTimer3Handle;
osStaticTimerDef_t beaconTimer3ControlBlock;
osTimerId beaconTimer4Handle;
osStaticTimerDef_t beaconTimer4ControlBlock;
osTimerId usbShutdownTimerHandle;
osStaticTimerDef_t usbShutdownTimerControlBlock;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
osMutexId hardwareInitMutexHandle;
int lost_power = 0;
int reset_requested = 0;
char serial_number_64[13] = {0};
// Make sure it is not overwritten during resets (bss3).
uint8_t mac_address[6] __attribute__((section(".bss3"))) = {0};
char error_message[80] __attribute__((section(".bss3"))) = {0};
// USB power control -- need to renegotiate USB charging in STOP mode.
int go_back_to_sleep __attribute__((section(".bss3")));
int stop_now __attribute__((section(".bss3")));
int charging_enabled __attribute__((section(".bss3")));
int usb_wake_state __attribute__((section(".bss3")));
int reset_button = 0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_DMA_Init(void);
static void MX_RTC_Init(void);
static void MX_USART3_UART_Init(void);
static void MX_DAC1_Init(void);
static void MX_ADC1_Init(void);
static void MX_CRC_Init(void);
static void MX_I2C1_Init(void);
static void MX_TIM6_Init(void);
static void MX_TIM7_Init(void);
static void MX_RNG_Init(void);
static void MX_IWDG_Init(void);
static void MX_TIM1_Init(void);
static void MX_OPAMP1_Init(void);
void StartDefaultTask(void const * argument);
extern void startIOEventTask(void const * argument);
extern void startAudioInputTask(void const * argument);
extern void startModulatorTask(void const * argument);
extern void beacon(void const * argument);
extern void shutdown(void const * argument);
void encode_serial_number(void);
void HAL_TIM_MspPostInit(TIM_HandleTypeDef *htim);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
void stop2(void) __attribute__((noinline));
void configure_gpio_for_stop(void) __attribute__((noinline));
void power_down_vdd(void);
void power_up_vdd(void);
void configure_wakeup_gpio(void);
void enable_debug_gpio(void);
void init_rtc_date_time(void);
void init_rtc_alarm(void);
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
extern PCD_HandleTypeDef hpcd_USB_FS;
void configure_gpio_for_stop()
{
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
HAL_NVIC_DisableIRQ(EXTI3_IRQn);
// BT_STATE1
HAL_GPIO_DeInit(BT_STATE1_GPIO_Port, BT_STATE1_Pin);
HAL_NVIC_DisableIRQ(BT_STATE1_EXTI_IRQn);
HAL_NVIC_ClearPendingIRQ(BT_STATE1_EXTI_IRQn);
// BT_STATE2
HAL_GPIO_DeInit(BT_STATE2_GPIO_Port, BT_STATE2_Pin);
HAL_NVIC_DisableIRQ(BT_STATE2_EXTI_IRQn);
HAL_NVIC_ClearPendingIRQ(BT_STATE2_EXTI_IRQn);
// SW_BOOT
HAL_GPIO_DeInit(SW_BOOT_GPIO_Port, SW_BOOT_Pin);
HAL_NVIC_DisableIRQ(SW_BOOT_EXTI_IRQn);
HAL_NVIC_ClearPendingIRQ(SW_BOOT_EXTI_IRQn);
// LEDs
HAL_GPIO_DeInit(GPIOA, LED_BT_Pin|LED_TX_Pin|LED_RX_Pin);
// I2C
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_8|GPIO_PIN_9);
// USB
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11|GPIO_PIN_12);
// UART
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11);
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_6);
// Battery level circuit.
HAL_GPIO_DeInit(BAT_LEVEL_GPIO_Port, BAT_LEVEL_Pin);
HAL_GPIO_DeInit(BAT_DIVIDER_GPIO_Port, BAT_DIVIDER_Pin);
if (charging_enabled)
{
HAL_GPIO_WritePin(GPIOB, USB_CE_Pin, GPIO_PIN_RESET);
}
else
{
HAL_GPIO_DeInit(USB_CE_GPIO_Port, USB_CE_Pin); // Hi-Z
}
// Bluetooth module
HAL_GPIO_DeInit(GPIOC, BT_WAKE_Pin);
HAL_GPIO_DeInit(GPIOB, BT_RESET_Pin|BT_CMD_Pin);
HAL_GPIO_WritePin(BT_SLEEP_GPIO_Port, BT_SLEEP_Pin, GPIO_PIN_RESET);
HAL_Delay(250);
// Analog pins
HAL_GPIO_DeInit(GPIOA, AUDIO_IN_Pin|AUDIO_IN_AMP_Pin|DAC_AUDIO_OUT_Pin|DC_OFFSET_Pin);
HAL_GPIO_DeInit(GPIOB, AUDIO_ATTEN_Pin);
// PTT pins
HAL_GPIO_DeInit(GPIOB, PTT_A_Pin|PTT_B_Pin);
}
void power_down_vdd()
{
__HAL_RCC_GPIOB_CLK_ENABLE();
HAL_GPIO_WritePin(VDD_EN_GPIO_Port, VDD_EN_Pin, GPIO_PIN_RESET);
for (int i = 0; i < 4800; ++i) asm volatile("nop");
}
void power_up_vdd()
{
GPIO_InitTypeDef GPIO_InitStruct;
__HAL_RCC_GPIOB_CLK_ENABLE();
GPIO_InitStruct.Pin = VDD_EN_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(VDD_EN_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_WritePin(VDD_EN_GPIO_Port, VDD_EN_Pin, GPIO_PIN_SET);
}
void configure_wakeup_gpio()
{
if (!__HAL_RCC_GPIOH_IS_CLK_ENABLED()) Error_Handler();
GPIO_InitTypeDef GPIO_InitStruct;
// Reset wakeup pins
HAL_NVIC_DisableIRQ(EXTI0_IRQn);
HAL_NVIC_DisableIRQ(EXTI1_IRQn);
HAL_GPIO_DeInit(GPIOH, USB_POWER_Pin|SW_POWER_Pin);
// Wake up whenever there is a change in VUSB to handle connect/disconnect events.
GPIO_InitStruct.Pin = USB_POWER_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLDOWN; // needed to act as a voltage divider
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
// Only wake up after the button has been released. This avoids the case
// where the TNC is woken up on button down and then immediately put back
// to sleep when the BUTTON_UP interrupt is received.
GPIO_InitStruct.Pin = SW_POWER_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_EVT_FALLING;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
}
void enable_debug_gpio()
{
if (!__HAL_RCC_GPIOA_IS_CLK_ENABLED()) Error_Handler();
if (!__HAL_RCC_GPIOB_IS_CLK_ENABLED()) Error_Handler();
GPIO_InitTypeDef GPIO_InitStruct;
// DEBUG PINS
GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_14;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Alternate = GPIO_AF0_SWJ;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
// USART CTS is connected to a device on VDD
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Alternate = GPIO_AF0_TRACE;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}
/**
* Shutdown is used to enter stop mode in a clean state. This ensures that
* all IP have been reset & re-initialized to their default state when
* entering low-power stop mode. This is a work-around until we can
* determine what causes a high-discharge state after USB is enabled.
*
* @param argument is unused.
*/
void shutdown(void const * argument)
{
UNUSED(argument);
stop_now = 1;
HAL_NVIC_SystemReset();
}
/*
* Same algorithm as here: https://github.com/libopencm3/libopencm3/blob/master/lib/stm32/desig.c
*/
void encode_serial_number()
{
uint8_t *uid = (uint8_t *)UID_BASE;
uint8_t serial[6];
serial[0] = uid[11];
serial[1] = uid[10] + uid[2];
serial[2] = uid[9];
serial[3] = uid[8] + uid[0];
serial[4] = uid[7];
serial[5] = uid[6];
snprintf(
serial_number_64,
sizeof(serial_number_64),
"%02X%02X%02X%02X%02X%02X",
serial[0], serial[1], serial[2],
serial[3], serial[4], serial[5]
);
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
*
* @retval None
*/
int main(void)
{
/* USER CODE BEGIN 1 */
// If not a software reset, reset the flags. This prevents odd behavior
// during initial power on and hardware resets where SRAM2 may be in an
// inconsistent state. During a soft reset, it should be initialized.
if (!(RCC->CSR & RCC_CSR_SFTRSTF)) {
go_back_to_sleep = 0;
stop_now = 0;
usb_wake_state = 0;
}
if (RCC->CSR & (RCC_CSR_PINRSTF|RCC_CSR_BORRSTF)) {
reset_button = 1;
} else {
reset_button = 0;
}
__HAL_RCC_CLEAR_RESET_FLAGS();
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
#ifdef KISS_LOGGING
printf("start\r\n");
if (error_message[0] != 0) {
printf(error_message);
error_message[0] = 0;
}
#endif
// Note that it is important that all GPIO interrupts are disabled until
// the FreeRTOS kernel has started. All GPIO interrupts send messages
// to the ioEventTask thread. Attempts to use any message queues before
// FreeRTOS has started will lead to problems. Because of this, these
// interrupts are enabled only when the ioEventTask thread starts.
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_RTC_Init();
MX_USART3_UART_Init();
MX_DAC1_Init();
MX_ADC1_Init();
MX_CRC_Init();
MX_I2C1_Init();
MX_TIM6_Init();
MX_TIM7_Init();
MX_RNG_Init();
MX_OPAMP1_Init();
/* USER CODE BEGIN 2 */
if (stop_now) stop2();
MX_TIM1_Init(); // Initialize the LED PWM timer and GPIOs.
SCB->SHCSR |= 0x70000; // Enable fault handlers;
if (!go_back_to_sleep) {
indicate_turning_on(); // LEDs on during boot.
if (HAL_GPIO_ReadPin(SW_POWER_GPIO_Port, SW_POWER_Pin) && reset_button) {
reset_requested = 1;
}
}
encode_serial_number();
// Manchester encoding mode on SWO.
// *((volatile unsigned *)(TPI->SPPR)) = 0x00000001;
if (!go_back_to_sleep) {
// The Bluetooth module is powered on during MX_GPIO_Init(). BT_CMD
// has a weak pull-up on the BT module and is in OD mode. Pull the
// pin low during boot to enter Bluetooth programming mode. Here the
// BT_CMD pin is switched to input mode to detect the state. The
// TNC must be reset to exit programming mode.
// Wait for BT module to settle.
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.Pin = BT_CMD_Pin;
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
GPIO_InitStructure.Pull = GPIO_PULLUP;
HAL_GPIO_Init(BT_CMD_GPIO_Port, &GPIO_InitStructure);
HAL_Delay(10);
if (HAL_GPIO_ReadPin(BT_CMD_GPIO_Port, BT_CMD_Pin) == GPIO_PIN_RESET) {
// Special test mode for programming the Bluetooth module. The TNC
// has the BT_CMD pin actively being pulled low. In this case we
// power on the BT module with BT_CMD held low and wait here without
// initializing the UART. We only exit via reset.
HAL_UART_MspDeInit(&huart3);
HAL_GPIO_WritePin(BT_RESET_GPIO_Port, BT_RESET_Pin, GPIO_PIN_RESET);
HAL_Delay(1);
HAL_GPIO_WritePin(BT_RESET_GPIO_Port, BT_RESET_Pin, GPIO_PIN_SET);
HAL_Delay(200);
printf("Bluetooth programming mode\r\n");
while (1);
}
// Not in BT programming mode. Switch BT_CMD back to OD mode.
HAL_GPIO_WritePin(BT_CMD_GPIO_Port, BT_CMD_Pin, GPIO_PIN_SET);
GPIO_InitStructure.Pin = BT_CMD_Pin;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStructure.Pull = GPIO_PULLUP;
HAL_GPIO_Init(BT_CMD_GPIO_Port, &GPIO_InitStructure);
}
/* USER CODE END 2 */
/* USER CODE BEGIN RTOS_MUTEX */
/* add mutexes, ... */
osMutexDef(hardwareInitMutex);
hardwareInitMutexHandle = osMutexCreate(osMutex(hardwareInitMutex));
osMutexWait(hardwareInitMutexHandle, osWaitForever);
/* USER CODE END RTOS_MUTEX */
/* USER CODE BEGIN RTOS_SEMAPHORES */
/* add semaphores, ... */
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wwrite-strings" // cmsis-os is not const-correct.
/* USER CODE END RTOS_SEMAPHORES */
/* Create the timer(s) */
/* definition and creation of beaconTimer1 */
osTimerStaticDef(beaconTimer1, beacon, &beaconTimer1ControlBlock);
beaconTimer1Handle = osTimerCreate(osTimer(beaconTimer1), osTimerPeriodic, NULL);
/* definition and creation of beaconTimer2 */
osTimerStaticDef(beaconTimer2, beacon, &beaconTimer2ControlBlock);
beaconTimer2Handle = osTimerCreate(osTimer(beaconTimer2), osTimerPeriodic, NULL);
/* definition and creation of beaconTimer3 */
osTimerStaticDef(beaconTimer3, beacon, &beaconTimer3ControlBlock);
beaconTimer3Handle = osTimerCreate(osTimer(beaconTimer3), osTimerPeriodic, NULL);
/* definition and creation of beaconTimer4 */
osTimerStaticDef(beaconTimer4, beacon, &beaconTimer4ControlBlock);
beaconTimer4Handle = osTimerCreate(osTimer(beaconTimer4), osTimerPeriodic, NULL);
/* definition and creation of usbShutdownTimer */
osTimerStaticDef(usbShutdownTimer, shutdown, &usbShutdownTimerControlBlock);
usbShutdownTimerHandle = osTimerCreate(osTimer(usbShutdownTimer), osTimerOnce, NULL);
/* USER CODE BEGIN RTOS_TIMERS */
/* start timers, add new ones, ... */
/* USER CODE END RTOS_TIMERS */
/* Create the thread(s) */
/* definition and creation of defaultTask */
osThreadStaticDef(defaultTask, StartDefaultTask, osPriorityIdle, 0, 256, defaultTaskBuffer, &defaultTaskControlBlock);
defaultTaskHandle = osThreadCreate(osThread(defaultTask), NULL);
/* definition and creation of ioEventTask */
osThreadStaticDef(ioEventTask, startIOEventTask, osPriorityLow, 0, 384, ioEventTaskBuffer, &ioEventTaskControlBlock);
ioEventTaskHandle = osThreadCreate(osThread(ioEventTask), NULL);
/* definition and creation of audioInputTask */
osThreadStaticDef(audioInputTask, startAudioInputTask, osPriorityAboveNormal, 0, 512, audioInputTaskBuffer, &audioInputTaskControlBlock);
audioInputTaskHandle = osThreadCreate(osThread(audioInputTask), NULL);
/* definition and creation of modulatorTask */
osThreadStaticDef(modulatorTask, startModulatorTask, osPriorityAboveNormal, 0, 384, modulatorTaskBuffer, &modulatorTaskControlBlock);
modulatorTaskHandle = osThreadCreate(osThread(modulatorTask), NULL);
/* USER CODE BEGIN RTOS_THREADS */
/* add threads, ... */
/* USER CODE END RTOS_THREADS */
/* Create the queue(s) */
/* definition and creation of ioEventQueue */
osMessageQStaticDef(ioEventQueue, 16, uint32_t, ioEventQueueBuffer, &ioEventQueueControlBlock);
ioEventQueueHandle = osMessageCreate(osMessageQ(ioEventQueue), NULL);
/* definition and creation of serialInputQueue */
osMessageQStaticDef(serialInputQueue, 16, uint32_t, serialInputQueueBuffer, &serialInputQueueControlBlock);
serialInputQueueHandle = osMessageCreate(osMessageQ(serialInputQueue), NULL);
/* definition and creation of serialOutputQueue */
osMessageQStaticDef(serialOutputQueue, 16, uint32_t, serialOutputQueueBuffer, &serialOutputQueueControlBlock);
serialOutputQueueHandle = osMessageCreate(osMessageQ(serialOutputQueue), NULL);
/* definition and creation of audioInputQueue */
osMessageQStaticDef(audioInputQueue, 8, uint32_t, audioInputQueueBuffer, &audioInputQueueControlBlock);
audioInputQueueHandle = osMessageCreate(osMessageQ(audioInputQueue), NULL);
/* definition and creation of hdlcInputQueue */
osMessageQStaticDef(hdlcInputQueue, 3, uint32_t, hdlcInputQueueBuffer, &hdlcInputQueueControlBlock);
hdlcInputQueueHandle = osMessageCreate(osMessageQ(hdlcInputQueue), NULL);
/* definition and creation of hdlcOutputQueue */
osMessageQStaticDef(hdlcOutputQueue, 8, uint32_t, hdlcOutputQueueBuffer, &hdlcOutputQueueControlBlock);
hdlcOutputQueueHandle = osMessageCreate(osMessageQ(hdlcOutputQueue), NULL);
/* definition and creation of dacOutputQueue */
osMessageQStaticDef(dacOutputQueue, 128, uint8_t, dacOutputQueueBuffer, &dacOutputQueueControlBlock);
dacOutputQueueHandle = osMessageCreate(osMessageQ(dacOutputQueue), NULL);
/* definition and creation of adcInputQueue */
osMessageQStaticDef(adcInputQueue, 8, uint32_t, adcInputQueueBuffer, &adcInputQueueControlBlock);
adcInputQueueHandle = osMessageCreate(osMessageQ(adcInputQueue), NULL);
/* USER CODE BEGIN RTOS_QUEUES */
/* add queues, ... */
#pragma GCC diagnostic pop
// Initialize the DC offset DAC and the PGA op amp. Calibrate the ADC.
if (HAL_DAC_SetValue(&hdac1, DAC_CHANNEL_2, DAC_ALIGN_12B_R, 1024) != HAL_OK) Error_Handler();
if (HAL_DAC_Start(&hdac1, DAC_CHANNEL_2) != HAL_OK) Error_Handler();
if (HAL_OPAMP_SelfCalibrate(&hopamp1) != HAL_OK) Error_Handler();
if (HAL_OPAMP_Start(&hopamp1) != HAL_OK) Error_Handler();
if (HAL_ADCEx_Calibration_Start(&hadc1, ADC_SINGLE_ENDED) != HAL_OK) Error_Handler();
if (!go_back_to_sleep) {
// Initialize the BM78 Bluetooth module and the RTC date/time the first time we boot.
if (!bm78_initialized() || reset_requested) {
bm78_initialize();
memset(error_message, 0, sizeof(error_message));
// init_rtc_date_time();
} else if (reset_button) {
bm78_initialize_mac_address();
}
else bm78_wait_until_ready();
}
init_ioport();
initCDC();
initSerial();
// Initialize option bytes.
FLASH_OBProgramInitTypeDef obInit = {0};
HAL_FLASHEx_OBGetConfig(&obInit);
if ((obInit.OptionType & OPTIONBYTE_USER) == RESET) {
printf("FAIL: option byte init\r\n");
Error_Handler();
}
#if 1
// Do not erase SRAM2 during reset.
if ((obInit.USERConfig & FLASH_OPTR_SRAM2_RST) == RESET) {
obInit.OptionType = OPTIONBYTE_USER;
obInit.USERType = OB_USER_SRAM2_RST;
obInit.USERConfig = FLASH_OPTR_SRAM2_RST;
HAL_FLASH_OB_Unlock();
HAL_FLASHEx_OBProgram(&obInit);
HAL_FLASH_OB_Lock();
HAL_FLASH_OB_Launch();
}
#endif
#if 1
// Enable hardware parity check on SRAM2
if ((obInit.USERConfig & FLASH_OPTR_SRAM2_PE) == RESET) {
obInit.OptionType = OPTIONBYTE_USER;
obInit.USERType = OB_USER_SRAM2_PE;
obInit.USERConfig = FLASH_OPTR_SRAM2_PE;
HAL_FLASH_OB_Unlock();
HAL_FLASHEx_OBProgram(&obInit);
HAL_FLASH_OB_Lock();
HAL_FLASH_OB_Launch();
}
#endif
// MX_IWDG_Init();
/* USER CODE END RTOS_QUEUES */
/* Start scheduler */
osKernelStart();
/* We should never get here as control is now taken by the scheduler */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
RCC_CRSInitTypeDef RCC_CRSInitStruct;
/**Configure LSE Drive Capability
*/
HAL_PWR_EnableBkUpAccess();
__HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_MEDIUMLOW);
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_LSE
|RCC_OSCILLATORTYPE_MSI|RCC_OSCILLATORTYPE_HSI
|RCC_OSCILLATORTYPE_HSI48;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_11;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = 4;
RCC_OscInitStruct.PLL.PLLN = 8;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC|RCC_PERIPHCLK_USART3
|RCC_PERIPHCLK_I2C1|RCC_PERIPHCLK_USB
|RCC_PERIPHCLK_RNG|RCC_PERIPHCLK_ADC;
PeriphClkInit.Usart3ClockSelection = RCC_USART3CLKSOURCE_HSI;
PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_HSI;
PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLLSAI1;
PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
PeriphClkInit.RngClockSelection = RCC_USBCLKSOURCE_HSI48;
PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSOURCE_MSI;
PeriphClkInit.PLLSAI1.PLLSAI1M = 4;
PeriphClkInit.PLLSAI1.PLLSAI1N = 24;
PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV7;
PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV6;
PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV4;
PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_ADC1CLK;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
#ifdef KISS_LOGGING
// HAL_RCCEx_EnableLSCO(RCC_LSCOSOURCE_LSE);
#else
HAL_RCCEx_DisableLSCO();
#endif
/**Configure the main internal regulator output voltage
*/
if (HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/**Enable MSI Auto calibration
*/
HAL_RCCEx_EnableMSIPLLMode();
/**Enable the SYSCFG APB clock
*/
__HAL_RCC_CRS_CLK_ENABLE();
/**Configures CRS
*/
RCC_CRSInitStruct.Prescaler = RCC_CRS_SYNC_DIV1;
RCC_CRSInitStruct.Source = RCC_CRS_SYNC_SOURCE_LSE;
RCC_CRSInitStruct.Polarity = RCC_CRS_SYNC_POLARITY_RISING;
RCC_CRSInitStruct.ReloadValue = __HAL_RCC_CRS_RELOADVALUE_CALCULATE(48000000,32768);
RCC_CRSInitStruct.ErrorLimitValue = 34;
RCC_CRSInitStruct.HSI48CalibrationValue = 32;
HAL_RCCEx_CRSConfig(&RCC_CRSInitStruct);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 15, 0);
}
/* ADC1 init function */
static void MX_ADC1_Init(void)
{
ADC_ChannelConfTypeDef sConfig;
/**Common config
*/
hadc1.Instance = ADC1;
hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
hadc1.Init.Resolution = ADC_RESOLUTION_12B;
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
hadc1.Init.LowPowerAutoWait = DISABLE;
hadc1.Init.ContinuousConvMode = DISABLE;
hadc1.Init.NbrOfConversion = 1;
hadc1.Init.DiscontinuousConvMode = DISABLE;
hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIG_T6_TRGO;
hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING;
hadc1.Init.DMAContinuousRequests = ENABLE;
hadc1.Init.Overrun = ADC_OVR_DATA_PRESERVED;
hadc1.Init.OversamplingMode = ENABLE;
hadc1.Init.Oversampling.Ratio = ADC_OVERSAMPLING_RATIO_16;
hadc1.Init.Oversampling.RightBitShift = ADC_RIGHTBITSHIFT_2;
hadc1.Init.Oversampling.TriggeredMode = ADC_TRIGGEREDMODE_SINGLE_TRIGGER;
hadc1.Init.Oversampling.OversamplingStopReset = ADC_REGOVERSAMPLING_CONTINUED_MODE;
if (HAL_ADC_Init(&hadc1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure Regular Channel
*/
sConfig.Channel = ADC_CHANNEL_8;
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_24CYCLES_5;
sConfig.SingleDiff = ADC_SINGLE_ENDED;
sConfig.OffsetNumber = ADC_OFFSET_NONE;
sConfig.Offset = 0;
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* CRC init function */
static void MX_CRC_Init(void)
{
hcrc.Instance = CRC;
hcrc.Init.DefaultPolynomialUse = DEFAULT_POLYNOMIAL_DISABLE;
hcrc.Init.DefaultInitValueUse = DEFAULT_INIT_VALUE_DISABLE;
hcrc.Init.GeneratingPolynomial = 4129;
hcrc.Init.CRCLength = CRC_POLYLENGTH_16B;
hcrc.Init.InitValue = 0xFFFF;
hcrc.Init.InputDataInversionMode = CRC_INPUTDATA_INVERSION_BYTE;
hcrc.Init.OutputDataInversionMode = CRC_OUTPUTDATA_INVERSION_DISABLE;
hcrc.InputDataFormat = CRC_INPUTDATA_FORMAT_BYTES;
if (HAL_CRC_Init(&hcrc) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* DAC1 init function */
static void MX_DAC1_Init(void)
{
DAC_ChannelConfTypeDef sConfig;
/**DAC Initialization
*/
hdac1.Instance = DAC1;
if (HAL_DAC_Init(&hdac1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**DAC channel OUT1 config
*/
sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
sConfig.DAC_Trigger = DAC_TRIGGER_T7_TRGO;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE;
sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**DAC channel OUT2 config
*/
sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_DISABLE;
sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* I2C1 init function */
static void MX_I2C1_Init(void)
{
hi2c1.Instance = I2C1;
// hi2c1.Init.Timing = 0x00300F33; // 80MHz
// hi2c1.Init.Timing = 0x20000209; // 48MHz
hi2c1.Init.Timing = 0x00000107; // HSI
hi2c1.Init.OwnAddress1 = 0;
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c1.Init.OwnAddress2 = 0;
hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure Analogue filter
*/
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure Digital filter
*/
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**I2C Fast mode Plus enable
*/
HAL_I2CEx_EnableFastModePlus(I2C_FASTMODEPLUS_I2C1);
}
/* IWDG init function */
static void MX_IWDG_Init(void)
{
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_16;
hiwdg.Init.Window = 4095;
hiwdg.Init.Reload = 4095;
if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* OPAMP1 init function */
static void MX_OPAMP1_Init(void)
{
hopamp1.Instance = OPAMP1;
hopamp1.Init.PowerSupplyRange = OPAMP_POWERSUPPLY_HIGH;
hopamp1.Init.Mode = OPAMP_PGA_MODE;
hopamp1.Init.NonInvertingInput = OPAMP_NONINVERTINGINPUT_IO0;
hopamp1.Init.InvertingInput = OPAMP_INVERTINGINPUT_CONNECT_NO;
hopamp1.Init.PgaGain = OPAMP_PGA_GAIN_2;
hopamp1.Init.PowerMode = OPAMP_POWERMODE_NORMAL;
hopamp1.Init.UserTrimming = OPAMP_TRIMMING_FACTORY;
if (HAL_OPAMP_Init(&hopamp1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* RNG init function */
static void MX_RNG_Init(void)
{
hrng.Instance = RNG;
if (HAL_RNG_Init(&hrng) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}