From 2dad083264ed74ba0775c9204c450e6c32f6f69f Mon Sep 17 00:00:00 2001
From: Rashed Talukder <>
Date: Wed, 27 Oct 2021 09:20:57 -0700
Subject: [PATCH] Extern the queue handle and add definition in source file.
 Add macro condition for dependencies.

---
 lvgl_touch/ft6x36.c | 6 +++++-
 lvgl_touch/ft6x36.h | 4 +++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/lvgl_touch/ft6x36.c b/lvgl_touch/ft6x36.c
index c061d42..b968d43 100644
--- a/lvgl_touch/ft6x36.c
+++ b/lvgl_touch/ft6x36.c
@@ -36,6 +36,10 @@ static uint8_t current_dev_addr;
 /* -1 coordinates to designate it was never touched */
 static ft6x36_touch_t touch_inputs = { -1, -1, LV_INDEV_STATE_REL };
 
+#if CONFIG_LV_FT6X36_COORDINATES_QUEUE
+QueueHandle_t ft6x36_touch_queue_handle;
+#endif
+
 static esp_err_t ft6x06_i2c_read8(uint8_t slave_addr, uint8_t register_addr, uint8_t *data_buf) {
     return lvgl_i2c_read(CONFIG_LV_I2C_TOUCH_PORT, slave_addr, register_addr, data_buf, 1);
 }
@@ -87,7 +91,7 @@ void ft6x06_init(uint16_t dev_addr) {
     LV_LOG_INFO("\tRelease code: 0x%02x", data_buf);
  
 #if CONFIG_LV_FT6X36_COORDINATES_QUEUE
-    ft6x36_touch_queue_handle = xQueueCreate( FT6X36_TOUCH_QUEUE_ELEMENTS, sizeof( ft6x36_touch_t ));
+    ft6x36_touch_queue_handle = xQueueCreate( FT6X36_TOUCH_QUEUE_ELEMENTS, sizeof( ft6x36_touch_t ) );
     if( ft6x36_touch_queue_handle == NULL )
     {
         LV_LOG_ERROR("\tError creating touch input FreeRTOS queue" );
diff --git a/lvgl_touch/ft6x36.h b/lvgl_touch/ft6x36.h
index 5152da5..c4074dc 100644
--- a/lvgl_touch/ft6x36.h
+++ b/lvgl_touch/ft6x36.h
@@ -23,8 +23,10 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#if CONFIG_LV_FT6X36_COORDINATES_QUEUE
 #include "freertos/FreeRTOS.h"
 #include "freertos/queue.h"
+#endif
 #ifdef LV_LVGL_H_INCLUDE_SIMPLE
 #include "lvgl.h"
 #else
@@ -155,7 +157,7 @@ typedef struct
 } ft6x36_touch_t;
 
 #if CONFIG_LV_FT6X36_COORDINATES_QUEUE
-QueueHandle_t ft6x36_touch_queue_handle;
+extern QueueHandle_t ft6x36_touch_queue_handle;
 #endif
 /**
   * @brief  Initialize for FT6x36 communication via I2C