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[nrf fromlist] drivers: hwinfo: nrf: extend supported reset reasons #3113

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Merged
merged 2 commits into from
Aug 4, 2025
Merged

[nrf fromlist] drivers: hwinfo: nrf: extend supported reset reasons #3113

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ca1f363
[nrf fromlist] drivers: hwinfo: nrf: extend supported reset reasons
mstasiaknordic Jul 30, 2025
7d73167
[nrf fromlist] samples: nordic: system_off: check for supported reset…
mstasiaknordic Jul 31, 2025
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9 changes: 9 additions & 0 deletions drivers/hwinfo/hwinfo_nrf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,15 @@
| RESET_SOFTWARE
| RESET_CPU_LOCKUP
| RESET_LOW_POWER_WAKE
#if NRFX_RESET_REASON_HAS_VBUS

Check notice on line 210 in drivers/hwinfo/hwinfo_nrf.c

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drivers/hwinfo/hwinfo_nrf.c:210 
-	*supported = (RESET_PIN
-		      | RESET_WATCHDOG
-		      | RESET_SOFTWARE
-		      | RESET_CPU_LOCKUP
-		      | RESET_LOW_POWER_WAKE
+	*supported = (RESET_PIN | RESET_WATCHDOG | RESET_SOFTWARE | RESET_CPU_LOCKUP |
+		      RESET_LOW_POWER_WAKE
| RESET_POR
#endif
#if NRFX_RESET_REASON_HAS_GRTC
| RESET_CLOCK
#endif
#if defined(NRFX_RESET_REASON_TAMPC_MASK) || defined(NRFX_RESET_REASON_SECTAMPER_MASK)
| RESET_SECURITY
#endif
| RESET_DEBUG);

return 0;
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20 changes: 18 additions & 2 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 @@ -31,8 +31,17 @@
static const struct device *comp_dev = DEVICE_DT_GET(DT_NODELABEL(comp));
#endif

void print_reset_cause(uint32_t reset_cause)
int print_reset_cause(uint32_t reset_cause)
{
int32_t ret;
uint32_t supported;

ret = hwinfo_get_supported_reset_cause((uint32_t *) &supported);

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samples/boards/nordic/system_off/src/main.c:40 
-	ret = hwinfo_get_supported_reset_cause((uint32_t *) &supported);
+	ret = hwinfo_get_supported_reset_cause((uint32_t *)&supported);
if (ret || !(reset_cause & supported)) {
return -ENOTSUP;
}

if (reset_cause & RESET_DEBUG) {
printf("Reset by debugger.\n");
} else if (reset_cause & RESET_CLOCK) {
Expand All @@ -42,6 +51,8 @@
} else {
printf("Other wake up cause 0x%08X.\n", reset_cause);
}

return 0;
}

int main(void)
Expand All @@ -57,7 +68,12 @@

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

if (rc < 0) {
printf("Reset cause not supported.\n");
return 0;
}

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