后板第一次提交

lvgl_v8_back/lvgl/examples/widgets/led/index.rst

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+
+LED with custom style
+"""""""""""""""""""""
+
+.. lv_example:: widgets/led/lv_example_led_1
+  :language: c
+

lvgl_v8_back/lvgl/examples/widgets/led/lv_example_led_1.c

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+#include "../../lv_examples.h"
+#if LV_USE_LED && LV_BUILD_EXAMPLES
+
+/**
+ * Create LED's with different brightness and color
+ */
+void lv_example_led_1(void)
+{
+    /*Create a LED and switch it OFF*/
+    lv_obj_t * led1  = lv_led_create(lv_scr_act());
+    lv_obj_align(led1, LV_ALIGN_CENTER, -80, 0);
+    lv_led_off(led1);
+
+    /*Copy the previous LED and set a brightness*/
+    lv_obj_t * led2  = lv_led_create(lv_scr_act());
+    lv_obj_align(led2, LV_ALIGN_CENTER, 0, 0);
+    lv_led_set_brightness(led2, 150);
+    lv_led_set_color(led2, lv_palette_main(LV_PALETTE_RED));
+
+    /*Copy the previous LED and switch it ON*/
+    lv_obj_t * led3  = lv_led_create(lv_scr_act());
+    lv_obj_align(led3, LV_ALIGN_CENTER, 80, 0);
+    lv_led_on(led3);
+}
+
+#endif

lvgl_v8_back/lvgl/examples/widgets/led/lv_example_led_1.py

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+#
+# Create LED's with different brightness and color
+#
+
+# Create a LED and switch it OFF
+led1  = lv.led(lv.scr_act())
+led1.align(lv.ALIGN.CENTER, -80, 0)
+led1.off()
+
+# Copy the previous LED and set a brightness
+led2  = lv.led(lv.scr_act())
+led2.align(lv.ALIGN.CENTER, 0, 0)
+led2.set_brightness(150)
+led2.set_color(lv.palette_main(lv.PALETTE.RED))
+
+# Copy the previous LED and switch it ON
+led3  = lv.led(lv.scr_act())
+led3.align(lv.ALIGN.CENTER, 80, 0)
+led3.on()
+