From 7b1706657565b8f25e8a6e875a7652a1899d5025 Mon Sep 17 00:00:00 2001
From: zys <zhang_yisong@foxmai.com>
Date: Wed, 4 Mar 2026 15:01:15 +0800
Subject: [PATCH] feat: add watchdog

---
 include/watchdog.hpp | 19 ++++++++++++-------
 prj.conf             |  3 ++-
 src/main.cpp         |  5 +++--
 3 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/include/watchdog.hpp b/include/watchdog.hpp
index cd072d2..de1f4f3 100644
--- a/include/watchdog.hpp
+++ b/include/watchdog.hpp
@@ -2,25 +2,30 @@
 #define __ZPP_WATCHDOG_HPP
 #include <zephyr/drivers/watchdog.h>
 #include <zpp/assert.hpp>
+#include <zpp/timer.hpp>
 namespace app {
 class WatchDogConfig {
 public:
-#if 0
   WatchDogConfig() {
-    if (!device_is_ready(m_wtd)) {
+    if (!device_is_ready(m_wdt)) {
       __ASSERT_NO_MSG(0);
     }
-    wdt_install_timeout(m_wtd, &wdt_timeout_cfg);
+    chan_id = wdt_install_timeout(m_wdt, &cfg);
 
-    if (auto err = wdt_setup(m_wtd, WDT_OPT_PAUSE_HALTED_BY_DBG); err < 0) {
+    if (auto err = wdt_setup(m_wdt, WDT_OPT_PAUSE_HALTED_BY_DBG); err < 0) {
       __ASSERT_NO_MSG(0);
     }
-    wdt_timeout_cfg cfg;
   }
+  auto Feed() { wdt_feed(m_wdt, chan_id); }
 
 private:
-  const device *m_wtd{DEVICE_DT_GET(DT_ALIAS(watchdog0))};
-#endif
+  const device *m_wdt{DEVICE_DT_GET(DT_ALIAS(watchdog0))};
+  static constexpr wdt_timeout_cfg cfg{
+      .window{0, 1000},
+      .callback = nullptr,
+      .flags = WDT_FLAG_RESET_SOC,
+  };
+  int chan_id;
 };
 
 } // namespace app
diff --git a/prj.conf b/prj.conf
index af710e3..3da563d 100644
--- a/prj.conf
+++ b/prj.conf
@@ -10,4 +10,5 @@ CONFIG_UART_INTERRUPT_DRIVEN=y
 CONFIG_PMC_COM=y
 CONFIG_HWINFO=y
 
-CONFIG_REBOOT=y
\ No newline at end of file
+CONFIG_REBOOT=y
+CONFIG_WATCHDOG=y
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index 546c98a..2ec5d9d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,9 +14,9 @@ enum Command { kTemp = 0x00, kGetId, kRunningState };
 enum RunningState {};
 constexpr auto kDeviceIdSize = 20;
 enum StatusId : uint8_t { kRunning, kPause, kError, kStandby };
+volatile bool flag{false};
 } // namespace
 
-volatile bool flag{false};
 auto main(void) -> int {
   pmc.SetRxCallback(kGetId, [](uart_com::DataType data) -> void {
     uint8_t buffer[kDeviceIdSize];
@@ -30,7 +30,7 @@ auto main(void) -> int {
       zpp::println("Status Error: {}", zpp::error_str(code));
     });
   });
-
+  auto wdt = app::WatchDogConfig{};
   sensor_trigger tri{.type = SENSOR_TRIG_DATA_READY,
                      .chan = SENSOR_CHAN_AMBIENT_TEMP};
   if (auto r = sensor_trigger_set(
@@ -52,6 +52,7 @@ auto main(void) -> int {
 
       flag = false;
     }
+    wdt.Feed();
   }
   return 0;
 }
\ No newline at end of file