re-added examples

components/lv_examples/CMakeLists.txt

@@ -0,0 +1,11 @@
+if(ESP_PLATFORM)
+
+file(GLOB_RECURSE SOURCES lv_examples/*.c)
+
+idf_component_register(SRCS ${SOURCES}
+                       INCLUDE_DIRS .
+                       REQUIRES lvgl)
+
+else()
+    message(FATAL_ERROR "LVGL LV examples: ESP_PLATFORM is not defined. Try reinstalling ESP-IDF.")
+endif()

components/lv_examples/Kconfig

@@ -0,0 +1,29 @@
+# Kconfig for lv_examples v7.4.0
+
+menu "lv_examples configuration"
+
+    config LV_EX_PRINTF
+        bool "Enable printf-ing data in demos and examples."
+
+    choice LV_EX_CHOICE
+        prompt "Select the demo you want to run."
+        default LV_USE_DEMO_WIDGETS
+
+        config LV_USE_DEMO_WIDGETS
+            bool "Show demo widgets."
+
+        config LV_USE_DEMO_KEYPAD_AND_ENCODER
+            bool "Demonstrate the usage of encoder and keyboard."
+
+        config LV_USE_DEMO_BENCHMARK
+            bool "Benchmark your system."
+
+        config LV_USE_DEMO_STRESS
+            bool "Stress test for LVGL."
+    endchoice
+
+    config LV_DEMO_WIDGETS_SLIDESHOW
+        bool "Slide demo widgets automatically."
+        depends on LV_USE_DEMO_WIDGETS
+        default y
+endmenu

components/lv_examples/component.mk

@@ -0,0 +1,16 @@
+#
+# Component Makefile
+#
+
+CFLAGS += -DLV_LVGL_H_INCLUDE_SIMPLE
+
+COMPONENT_SRCDIRS := lv_examples           \
+    lv_examples/src/lv_demo_benchmark      \
+    lv_examples/src/lv_demo_keypad_encoder \
+    lv_examples/src/demo_stress            \
+    lv_examples/src/lv_demo_widgets        \
+    lv_examples/src/lv_ex_style            \
+    lv_examples/src/lv_ex_widgets          \
+    lv_examples/assets
+
+COMPONENT_ADD_INCLUDEDIRS := $(COMPONENT_SRCDIRS) .

components/lv_examples/lv_ex_conf.h

@@ -0,0 +1,77 @@
+/**
+ * @file lv_ex_conf.h
+ * Configuration file for v7.4.0
+ *
+ */
+/*
+ * COPY THIS FILE AS lv_ex_conf.h
+ */
+
+#if 1 /*Set it to "1" to enable the content*/
+
+#ifndef LV_EX_CONF_H
+#define LV_EX_CONF_H
+
+
+/*******************
+ * GENERAL SETTING
+ *******************/
+
+/* Enable printf-ing data in demoes and examples */
+#ifdef CONFIG_LV_EX_PRINTF
+#define LV_EX_PRINTF       1
+#else
+#define LV_EX_PRINTF       0
+#endif
+
+#define LV_EX_KEYBOARD     0       /*Add PC keyboard support to some examples (`lv_drivers` repository is required)*/
+#define LV_EX_MOUSEWHEEL   0       /*Add 'encoder' (mouse wheel) support to some examples (`lv_drivers` repository is required)*/
+
+/*********************
+ * DEMO USAGE
+ *********************/
+
+/*Show some widget*/
+#ifdef CONFIG_LV_USE_DEMO_WIDGETS
+#define LV_USE_DEMO_WIDGETS        1
+#else
+#define LV_USE_DEMO_WIDGETS        0
+#endif
+
+#if LV_USE_DEMO_WIDGETS
+#ifdef CONFIG_LV_DEMO_WIDGETS_SLIDESHOW
+#define LV_DEMO_WIDGETS_SLIDESHOW   1
+#else
+#define LV_DEMO_WIDGETS_SLIDESHOW   0
+#endif
+#endif
+
+/*Printer demo, optimized for 800x480*/
+#define LV_USE_DEMO_PRINTER     0
+
+/*Demonstrate the usage of encoder and keyboard*/
+#ifdef CONFIG_LV_USE_DEMO_KEYPAD_AND_ENCODER
+#define LV_USE_DEMO_KEYPAD_AND_ENCODER  1
+#else
+#define LV_USE_DEMO_KEYPAD_AND_ENCODER  0
+#endif
+
+/*Benchmark your system*/
+#ifdef CONFIG_LV_USE_DEMO_BENCHMARK
+#define LV_USE_DEMO_BENCHMARK   1
+#else
+#define LV_USE_DEMO_BENCHMARK   0
+#endif
+
+/*Stress test for LVGL*/
+#ifdef CONFIG_LV_USE_DEMO_STRESS
+#define LV_USE_DEMO_STRESS  1 
+#else
+#define LV_USE_DEMO_STRESS  0 
+
+#endif
+
+#endif /*LV_EX_CONF_H*/
+
+#endif /*End of "Content enable"*/
+