blob: ef3e2391ba7ad7ff4cb966d4a25afdfda08af885 (
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
|
// SAM4e8e port main entry
//
// Copyright (C) 2018 Florian Heilmann <Florian.Heilmann@gmx.net>
//
// This file may be distributed under the terms of the GNU GPLv3 license.
// CMSIS
#include "sam.h"
// Klipper
#include "command.h" // DECL_CONSTANT
#include "sched.h" // sched_main
DECL_CONSTANT(MCU, "sam4e8e");
#define WDT_PASSWORD 0xA5000000
#define WDT_SLOW_CLOCK_DIV 128
void
watchdog_reset(void)
{
WDT->WDT_CR = WDT_PASSWORD | WDT_CR_WDRSTT;
}
DECL_TASK(watchdog_reset);
void
watchdog_init(void)
{
uint32_t timeout = 500000 / (WDT_SLOW_CLOCK_DIV * 1000000 / 32768UL);
WDT->WDT_MR = WDT_MR_WDRSTEN | WDT_MR_WDV(timeout) | WDT_MR_WDD(timeout);
}
DECL_INIT(watchdog_init);
void
command_reset(uint32_t *args)
{
NVIC_SystemReset();
}
DECL_COMMAND_FLAGS(command_reset, HF_IN_SHUTDOWN, "reset");
// Main entry point
int
main(void)
{
SystemInit();
sched_main();
return 0;
}
|
