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Add timer_save and _restore functions. (#23887)

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Co-authored-by: Sergey Vlasov <sigprof@gmail.com>
Co-authored-by: Nick Brassel <nick@tzarc.org>
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Dasky 2024-10-25 18:10:17 +01:00 • committed by GitHub
parent f486605bab
commit 5c85271e48
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3 changed files with 42 additions and 0 deletions
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21
platforms/chibios/timer.c
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@ -5,6 +5,7 @@
static uint32_t ticks_offset = 0;
static uint32_t last_ticks = 0;
static uint32_t ms_offset = 0;
static uint32_t saved_ms = 0;
#if CH_CFG_ST_RESOLUTION < 32
static uint32_t last_systime = 0;
static uint32_t overflow = 0;
@ -73,6 +74,26 @@ void timer_clear(void) {
chSysUnlock();
}
__attribute__((weak)) void platform_timer_save_value(uint32_t value) {
saved_ms = value;
}
__attribute__((weak)) uint32_t platform_timer_restore_value(void) {
return saved_ms;
}
void timer_restore(void) {
chSysLock();
ticks_offset = get_system_time_ticks();
last_ticks = 0;
ms_offset = platform_timer_restore_value();
chSysUnlock();
}
void timer_save(void) {
platform_timer_save_value(timer_read32());
}
uint16_t timer_read(void) {
return (uint16_t)timer_read32();
}