feat: add mimiclaw onboarding page.

Signed-off-by: Bo <boironic@gmail.com>

main/rgb/rgb.c

@@ -0,0 +1,39 @@
+#include "rgb/rgb.h"
+
+#include "esp_check.h"
+#include "led_strip.h"
+
+#define RGB_GPIO 38
+
+static led_strip_handle_t s_strip = NULL;
+
+esp_err_t rgb_init(void)
+{
+    led_strip_config_t strip_config = {
+        .strip_gpio_num = RGB_GPIO,
+        .max_leds = 1,
+        .led_pixel_format = LED_PIXEL_FORMAT_GRB,
+        .led_model = LED_MODEL_WS2812,
+        .flags.invert_out = false,
+    };
+
+    led_strip_rmt_config_t rmt_config = {
+        .clk_src = RMT_CLK_SRC_DEFAULT,
+        .resolution_hz = 10 * 1000 * 1000,
+        .flags.with_dma = false,
+    };
+
+    ESP_RETURN_ON_ERROR(led_strip_new_rmt_device(&strip_config, &rmt_config, &s_strip), "rgb", "led_strip init failed");
+    led_strip_clear(s_strip);
+    return ESP_OK;
+}
+
+void rgb_set(uint8_t r, uint8_t g, uint8_t b)
+{
+    if (!s_strip) {
+        return;
+    }
+    /* Swap R/G for this board's LED ordering */
+    led_strip_set_pixel(s_strip, 0, g, r, b);
+    led_strip_refresh(s_strip);
+}