initial commit

mw/soft_watchdog/mw_soft_watchdog.h

@@ -0,0 +1,53 @@
+#ifndef __WATCHDOG_H_INCLUDED__
+#define __WATCHDOG_H_INCLUDED__
+
+#include<stdint.h>
+
+
+
+//some helper definition
+enum {
+    IGNORE = -1,
+
+    //for action
+    REBOOT   = 0,
+    SHUTDOWN = -1,
+    SUSPEND  = -2,
+    NOOP     = -3,
+    //> 0 means reboot_delay
+};
+    
+
+#define WD_POLICY_NUMBER       (6)
+#define NAME(_name) #_name
+
+
+typedef struct{
+    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
+    uint32_t  timeout_ms;             //if not OK after timeout_ms seconds, do the recovery produce.
+    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
+}wd_item_s;
+
+typedef void ( *soft_watchdog_item_fail)(uint32_t fail_idx);
+
+/* 初始化后，需要 soft_watchdog_start 来开启对应的wtd */
+void soft_watchdog_init(wd_item_s *items, uint32_t item_cnt, soft_watchdog_item_fail fail_cb);
+
+
+/* 关闭对应item的看门狗 */
+void soft_watchdog_stop(uint32_t item);
+
+/* 打开对应item的看门狗  */
+void soft_watchdog_start(uint32_t item);
+
+/* 打开对应item的看门狗     , timeout_ms后将超时 */
+void soft_watchdog_timeout(uint32_t item, uint32_t timeout_ms);
+
+/* 比如播放提示音：那么所有已经开始的wtd都要+timeout_ms后超时 */
+void soft_watchdog_timeout_all(uint32_t timeout_ms);
+
+
+void soft_watchdog_test();
+
+
+#endif /* __WATCHDOG_H_INCLUDED__ */