From f1811b353b0200071da32ba02a8cf24ce261941c Mon Sep 17 00:00:00 2001
From: Supreet Deshpande <supreet.deshpande@espressif.com>
Date: Wed, 24 Oct 2018 15:03:15 +0530
Subject: [PATCH] feature/config_event_loop_stack_size: Add config option for
 event loop stack

Adding configuration option for the event loop stack in ESP8266.
---
 components/esp8266/Kconfig                  | 6 ++++++
 components/esp8266/include/esp_event_loop.h | 2 ++
 components/esp8266/source/event_loop.c      | 2 +-
 3 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/components/esp8266/Kconfig b/components/esp8266/Kconfig
index 12cb2b61..286205c5 100644
--- a/components/esp8266/Kconfig
+++ b/components/esp8266/Kconfig
@@ -143,6 +143,12 @@ config WIFI_PPT_TASKSTACK_SIZE
         which calls promiscuous callback function. So if user's function is
         complex, the stack must be set larger.
 
+config EVENT_LOOP_STACK_SIZE
+    int "Event loop stack size"
+    default 2048
+    help
+        Configure the Event loop task stack size per application.
+
 config ESP8266_CORE_GLOBAL_DATA_LINK_IRAM
     bool "Link libcore.a internal global data to IRAM"
     default y
diff --git a/components/esp8266/include/esp_event_loop.h b/components/esp8266/include/esp_event_loop.h
index 7f6ed61a..0e582b90 100644
--- a/components/esp8266/include/esp_event_loop.h
+++ b/components/esp8266/include/esp_event_loop.h
@@ -23,6 +23,8 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/queue.h"
 
+#define EVENT_LOOP_STACKSIZE CONFIG_EVENT_LOOP_STACK_SIZE
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/components/esp8266/source/event_loop.c b/components/esp8266/source/event_loop.c
index 5534fcaf..de5d3daf 100644
--- a/components/esp8266/source/event_loop.c
+++ b/components/esp8266/source/event_loop.c
@@ -98,7 +98,7 @@ esp_err_t esp_event_loop_init(system_event_cb_t cb, void *ctx)
     s_event_queue = wifi_queue_create(32, sizeof(system_event_t));
     if(s_event_queue == NULL)
         return ESP_ERR_NO_MEM;
-    if(wifi_task_create(esp_event_loop_task, "esp_event_loop_task", 2048, NULL, wifi_task_get_max_priority() - 5) == NULL) {
+    if(wifi_task_create(esp_event_loop_task, "esp_event_loop_task", EVENT_LOOP_STACKSIZE, NULL, wifi_task_get_max_priority() - 5) == NULL) {
         return ESP_ERR_NO_MEM;
     }
     s_event_handler_cb = cb;