forked from PX4/PX4-Bootloader
-
Notifications
You must be signed in to change notification settings - Fork 3
/
bl.h
130 lines (110 loc) · 4.23 KB
/
bl.h
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
/****************************************************************************
*
* Copyright (c) 2012-2014 PX4 Development Team. 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. Redistributions 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 PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER 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.
*
****************************************************************************/
/**
* @file bl.h
*
* Common bootloader definitions.
*/
#pragma once
/*****************************************************************************
* Generic bootloader functions.
*/
/* enum for whether bootloading via USB or USART */
enum {
NONE,
USART,
USB
};
/* board info forwarded from board-specific code to booloader */
struct boardinfo {
uint32_t board_type;
uint32_t board_rev;
uint32_t fw_size;
uint32_t systick_mhz; /* systick input clock */
} __attribute__((packed));
extern struct boardinfo board_info;
extern void jump_to_app(void);
extern void bootloader(unsigned timeout);
extern void delay(unsigned msec);
#define BL_WAIT_MAGIC 0x19710317 /* magic number in PWR regs to wait in bootloader */
/* generic timers */
#define NTIMERS 4
#define TIMER_BL_WAIT 0
#define TIMER_CIN 1
#define TIMER_LED 2
#define TIMER_DELAY 3
extern volatile unsigned timer[NTIMERS]; /* each timer decrements every millisecond if > 0 */
/* generic receive buffer for async reads */
extern void buf_put(uint8_t b);
extern int buf_get(void);
/*****************************************************************************
* Chip/board functions.
*/
/* LEDs */
#define LED_ACTIVITY 1
#define LED_BOOTLOADER 2
#ifdef BOOT_DELAY_ADDRESS
# define BOOT_DELAY_SIGNATURE1 0x92c2ecff
# define BOOT_DELAY_SIGNATURE2 0xc5057d5d
# define BOOT_DELAY_MAX 30
#endif
#define MAX_DES_LENGTH 20
#define arraySize(a) (sizeof((a))/sizeof(((a)[0])))
extern void led_on(unsigned led);
extern void led_off(unsigned led);
extern void led_toggle(unsigned led);
/* flash helpers from main_*.c */
extern void board_deinit(void);
extern uint32_t board_get_devices(void);
extern void clock_deinit(void);
extern uint32_t flash_func_sector_size(unsigned sector);
extern void flash_func_erase_sector(unsigned sector);
extern void flash_func_write_word(uint32_t address, uint32_t word);
extern uint32_t flash_func_read_word(uint32_t address);
extern uint32_t flash_func_read_otp(uint32_t address);
extern uint32_t flash_func_read_sn(uint32_t address);
extern void arch_flash_lock(void);
extern void arch_flash_unlock(void);
extern void arch_setvtor(uint32_t address);
void arch_systic_init(void);
void arch_systic_deinit(void);
extern uint32_t get_mcu_id(void);
int get_mcu_desc(int max, uint8_t *revstr);
extern int check_silicon(void);
/*****************************************************************************
* Interface in/output.
*/
extern void cinit(void *config, uint8_t interface);
extern void cfini(void);
extern int cin(uint32_t devices);
extern void cout(uint8_t *buf, unsigned len);