add wdg

include/znordic.h

@@ -44,6 +44,9 @@
  *******************************************************************************/
 typedef struct tm ztm_t;
 
+void wd_init();
+void wd_feed();
+
 void znordic_init();
 void znordic_loop();
 

src/znordic.c

@@ -13,6 +13,23 @@
 #include "nrf_log_ctrl.h"
 #include "nrf_log_default_backends.h"
 #include "nrfx_rtc.h"
+/*********************************************************************
+ * INCLUDES
+ */
+#include "nrf_drv_wdt.h"
+nrf_drv_wdt_channel_id m_channel_id;
+
+void wd_init() {
+  // WDT_CONFIG_RELOAD_VALUE 修改这个数值修改喂狗周期,单位ms
+  nrf_drv_wdt_config_t config = NRF_DRV_WDT_DEAFULT_CONFIG;
+  config.reload_value         = WDT_CONFIG_RELOAD_VALUE;
+  ret_code_t err_code         = nrf_drv_wdt_init(&config, NULL);
+  ZERROR_CHECK(err_code);
+  err_code = nrf_drv_wdt_channel_alloc(&m_channel_id);
+  ZERROR_CHECK(err_code);
+  nrf_drv_wdt_enable();
+}
+void wd_feed() { nrfx_wdt_feed(); }
 
 /*******************************************************************************
  *                                     RTC                                     *