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[nrf fromlist] samples: boards: nordic: system_off fixes #2819

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Merged
merged 1 commit into from
Apr 25, 2025
Merged

[nrf fromlist] samples: boards: nordic: system_off fixes #2819

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6 changes: 3 additions & 3 deletions samples/boards/nordic/system_off/sample.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -42,7 +42,7 @@ tests:
ordered: true
regex:
- "system off demo"
- "Retained data: INVALID"
- "Retained data: valid"
- "Boot count: 1"
- "Off count: 0"
- "Active Ticks:"
Expand Down Expand Up @@ -87,7 +87,7 @@ tests:
ordered: true
regex:
- "system off demo"
- "Retained data: INVALID"
- "Retained data: valid"
- "Boot count: 1"
- "Off count: 0"
- "Active Ticks:"
Expand Down Expand Up @@ -140,7 +140,7 @@ tests:
ordered: true
regex:
- "system off demo"
- "Retained data: INVALID"
- "Retained data: valid"
- "Boot count: 1"
- "Off count: 0"
- "Active Ticks:"
Expand Down
20 changes: 15 additions & 5 deletions samples/boards/nordic/system_off/src/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,8 @@
#include <zephyr/sys/poweroff.h>
#include <zephyr/sys/util.h>

#define NON_WAKEUP_RESET_REASON (RESET_PIN | RESET_SOFTWARE | RESET_POR | RESET_DEBUG)

#if defined(CONFIG_GRTC_WAKEUP_ENABLE)
#include <zephyr/drivers/timer/nrf_grtc_timer.h>
#define DEEP_SLEEP_TIME_S 2
Expand All @@ -29,15 +31,14 @@ static const struct gpio_dt_spec sw0 = GPIO_DT_SPEC_GET(DT_ALIAS(sw0), gpios);
static const struct device *comp_dev = DEVICE_DT_GET(DT_NODELABEL(comp));
#endif

void print_reset_cause(void)
void print_reset_cause(uint32_t reset_cause)
{
uint32_t reset_cause;

hwinfo_get_reset_cause(&reset_cause);
if (reset_cause & RESET_DEBUG) {
printf("Reset by debugger.\n");
} else if (reset_cause & RESET_CLOCK) {
printf("Wakeup from System OFF by GRTC.\n");
} else if (reset_cause & RESET_LOW_POWER_WAKE) {
printf("Wakeup from System OFF by GPIO.\n");
} else {
printf("Other wake up cause 0x%08X.\n", reset_cause);
}
Expand All @@ -46,6 +47,7 @@ void print_reset_cause(void)
int main(void)
{
int rc;
uint32_t reset_cause;
const struct device *const cons = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));

if (!device_is_ready(cons)) {
Expand All @@ -54,11 +56,19 @@ int main(void)
}

printf("\n%s system off demo\n", CONFIG_BOARD);
print_reset_cause();
hwinfo_get_reset_cause(&reset_cause);
print_reset_cause(reset_cause);

if (IS_ENABLED(CONFIG_APP_USE_RETAINED_MEM)) {
bool retained_ok = retained_validate();

if (reset_cause & NON_WAKEUP_RESET_REASON) {
retained.boots = 0;
retained.off_count = 0;
retained.uptime_sum = 0;
retained.uptime_latest = 0;
retained_ok = true;
}
/* Increment for this boot attempt and update. */
retained.boots += 1;
retained_update();
Expand Down
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