54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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#ifndef __WATCHDOG_H_INCLUDED__
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#define __WATCHDOG_H_INCLUDED__
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#include<stdint.h>
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//some helper definition
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enum {
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IGNORE = -1,
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//for action
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REBOOT = 0,
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SHUTDOWN = -1,
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SUSPEND = -2,
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NOOP = -3,
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//> 0 means reboot_delay
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};
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#define WD_POLICY_NUMBER (6)
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#define NAME(_name) #_name
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typedef struct{
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int64_t start_ms; //must be int, monitor start time, IGNORE means IGNORE this item, OK means already OK. other >= 0 value means the start time
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uint32_t timeout_ms; //if not OK after timeout_ms seconds, do the recovery produce.
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uint32_t action[WD_POLICY_NUMBER]; //if not IGNORE, ask mcu do action. support retry up to 4 times. support REBOOT/SHUTDOWN/NOOP/reboot_delay
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}wd_item_s;
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typedef void ( *soft_watchdog_item_fail)(uint32_t fail_idx);
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/* 初始化后，需要 soft_watchdog_start 来开启对应的wtd */
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void soft_watchdog_init(wd_item_s *items, uint32_t item_cnt, soft_watchdog_item_fail fail_cb);
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/* 关闭对应item的看门狗 */
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void soft_watchdog_stop(uint32_t item);
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/* 打开对应item的看门狗 */
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void soft_watchdog_start(uint32_t item);
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/* 打开对应item的看门狗 , timeout_ms后将超时 */
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void soft_watchdog_timeout(uint32_t item, uint32_t timeout_ms);
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/* 比如播放提示音：那么所有已经开始的wtd都要+timeout_ms后超时 */
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void soft_watchdog_timeout_all(uint32_t timeout_ms);
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void soft_watchdog_test();
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#endif /* __WATCHDOG_H_INCLUDED__ */
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