refactor task wdt handling to platform layer

components/platform/flash_api.c

@@ -9,9 +9,10 @@
 #include <stdlib.h>
 #include "rom/spi_flash.h"
 
+#include "platform_wdt.h"
+
 #include "esp_image_format.h"
 #include "esp_flash_data_types.h"
-#include "esp_task_wdt.h"
 
 #define FLASH_HDR_ADDR 0x1000
 
@@ -175,14 +176,6 @@ uint32_t flash_rom_get_speed(void)
 
 esp_err_t flash_erase(size_t sector)
 {
-#ifdef CONFIG_TASK_WDT
+  platform_wdt_feed();
-  // re-init the task WDT, simulates feeding for the IDLE task
-#  ifdef CONFIG_TASK_WDT_PANIC
-  esp_task_wdt_init(CONFIG_TASK_WDT_TIMEOUT_S, true);
-#  else
-  esp_task_wdt_init(CONFIG_TASK_WDT_TIMEOUT_S, false);
-#  endif
-#endif
-
   return spi_flash_erase_sector(sector);
 }

components/platform/include/platform_wdt.h

@@ -0,0 +1,7 @@
+
+#ifndef __PLATFORM_WDT_H__
+#define __PLATFORM_WDT_H__
+
+int platform_wdt_feed( void );
+
+#endif

components/platform/wdt.c

@@ -0,0 +1,30 @@
+/******************************************************************************
+ * WDT api for NodeMCU
+ * NodeMCU Team
+ * 2018-04-04
+*******************************************************************************/
+
+#include "platform.h"
+#include "esp_task_wdt.h"
+
+#ifdef CONFIG_TASK_WDT
+static uint32_t task_wdt_timeout = CONFIG_TASK_WDT_TIMEOUT_S;
+
+static bool task_wdt_panic =
+#ifdef CONFIG_TASK_WDT_PANIC
+  true;
+#else
+false;
+#endif
+
+#endif
+
+
+int platform_wdt_feed( void )
+{
+#ifdef CONFIG_TASK_WDT
+  return esp_task_wdt_init(task_wdt_timeout, task_wdt_panic) == ESP_OK ? PLATFORM_OK : PLATFORM_ERR;
+#else
+  return PLATFORM_OK;
+#endif
+}