blob: 74ecf5d01150f47cfce18ee41df82a22914b6e30 (
plain)
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
|
/** @defgroup flash_file FLASH peripheral API
*
* @ingroup peripheral_apis
*
* @brief <b>libopencm3 STM32G0xx FLASH</b>
*
* @version 1.0.0
*
* LGPL License Terms @ref lgpl_license
*/
/*
* This file is part of the libopencm3 project.
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**@{*/
#include <libopencm3/stm32/flash.h>
void flash_icache_enable(void)
{
FLASH_ACR |= FLASH_ACR_ICEN;
}
void flash_icache_disable(void)
{
FLASH_ACR &= ~FLASH_ACR_ICEN;
}
void flash_icache_reset(void)
{
FLASH_ACR |= FLASH_ACR_ICRST;
}
void flash_unlock_progmem(void)
{
FLASH_KEYR = FLASH_KEYR_KEY1;
FLASH_KEYR = FLASH_KEYR_KEY2;
}
void flash_lock_progmem(void)
{
FLASH_CR |= FLASH_CR_LOCK;
}
void flash_lock_option_bytes(void)
{
FLASH_CR |= FLASH_CR_OPTLOCK;
}
void flash_unlock(void)
{
flash_unlock_progmem();
flash_unlock_option_bytes();
}
void flash_lock(void)
{
flash_lock_option_bytes();
flash_lock_progmem();
}
/**@}*/
|
