feat(ble): update bthome example

Author: loop233

examples/bluetooth/ble_adv/bthome/bulb/main/Kconfig.projbuild

@@ -0,0 +1,24 @@
+menu "BTHome Bulb Configuration"
+
+    config EXAMPLE_LED_STRIP_BLINK_GPIO
+        int "LED Strip GPIO Pin"
+        range 0 48
+        default 8
+        help
+            GPIO number for LED strip data line.
+
+    config EXAMPLE_LED_STRIP_LED_NUMBERS
+        int "Number of LEDs in Strip"
+        range 1 255
+        default 1
+        help
+            Number of LEDs in the LED strip.
+
+    config EXAMPLE_LED_STRIP_RMT_RES_HZ
+        int "RMT Resolution Frequency (Hz)"
+        range 1000000 10000000
+        default 10000000
+        help
+            RMT counter clock frequency. 10MHz resolution means 1 tick = 0.1us.
+
+endmenu

examples/bluetooth/ble_adv/bthome/bulb/main/app_main.c

@@ -16,12 +16,12 @@
 #include "led_strip.h"
 #include "nvs_flash.h"
 
-// GPIO assignment
-#define LED_STRIP_BLINK_GPIO  8
-// Numbers of the LED in the strip
-#define LED_STRIP_LED_NUMBERS 1
-// 10MHz resolution, 1 tick = 0.1us (led strip needs a high resolution)
-#define LED_STRIP_RMT_RES_HZ  (10 * 1000 * 1000)
+// GPIO assignment from kconfig
+#define LED_STRIP_BLINK_GPIO  CONFIG_EXAMPLE_LED_STRIP_BLINK_GPIO
+// Numbers of the LED in the strip from kconfig
+#define LED_STRIP_LED_NUMBERS CONFIG_EXAMPLE_LED_STRIP_LED_NUMBERS
+// RMT resolution from kconfig (led strip needs a high resolution)
+#define LED_STRIP_RMT_RES_HZ  CONFIG_EXAMPLE_LED_STRIP_RMT_RES_HZ
 
 static const char *TAG = "bt_home_bulb";