basic FS commands

spybug/sys.hh

@@ -0,0 +1,22 @@
+// Copyright 2022 Darwin Schuppan <darwin@nobrain.org>
+// SPDX license identifier: MIT
+
+#pragma once
+
+#include <avr/interrupt.h>
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/sleep.h>
+
+static void (*full_reset)() = nullptr;
+
+void low_power_sleep_minutes(unsigned long t);
+
+static inline void wdt_enable_with_full_reset() {
+	wdt_enable(WDTO_8S);   /* Start watchdog timer for 8s. */
+	WDTCSR |= (1 << WDIE); /* Enable watchdog interrupt. */
+}
+
+static inline void disable_recording_interrupts() {
+	TIMSK1 &= ~(_BV(OCIE1A) | _BV(OCIE1B));
+}