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22 lines
540 B
22 lines
540 B
3 weeks ago
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#include "simple_watchdog_declarations.h"
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static simple_watchdog_state_t wd_state;
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void simple_watchdog_kick(void) {
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uint32_t ts = microsecond_timer_get();
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uint32_t et = get_ts_elapsed(ts, wd_state.last_ts);
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if (et > wd_state.threshold) {
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print("WD timeout 0x"); puth(et); print("\n");
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fault_occurred(wd_state.fault);
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}
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wd_state.last_ts = ts;
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}
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void simple_watchdog_init(uint32_t fault, uint32_t threshold) {
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wd_state.fault = fault;
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wd_state.threshold = threshold;
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wd_state.last_ts = microsecond_timer_get();
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}
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