feat: 增加LED状态指示

app/by_led.c

@@ -0,0 +1,29 @@
+#include "by_led.h"
+
+#include "zf_common_headfile.h"
+
+#define LED_WARN_PIN E9
+#define LED_INFO_PIN E8
+
+uint8_t led_warn_status = 1;
+uint8_t led_info_status = 1;
+
+// TODO 将队列抽象出去，具有 blink 属性的设备均可使用
+
+void by_led_init(void)
+{
+    gpio_init(LED_WARN_PIN, GPO, 0, GPO_PUSH_PULL);
+    gpio_init(LED_INFO_PIN, GPO, 0, GPO_PUSH_PULL);
+}
+
+void by_led_warn_blink(void)
+{
+    led_warn_status = !led_warn_status;
+    gpio_set_level(LED_WARN_PIN, led_warn_status);
+}
+
+void by_led_info_blink(void)
+{
+    led_info_status = !led_info_status;
+    gpio_set_level(LED_INFO_PIN, led_info_status);
+}