UP LVGL字库加载显示支持

lib/inc/oled/oled.h

@@ -6,6 +6,7 @@ extern "C" {
 #endif
 
 #include "stdint.h"
+#include "lvgl.h"
 
 
 #define REFRESH_CALL_ENABLE 1 //使用DMA或者整体刷新函数
@@ -278,6 +279,9 @@ void OLED_Fill(OLED_T *dev, uint8_t data);
  */
 void OLED_CLS(OLED_T *dev);
 
+
+void OLED_DisplayString(OLED_T *dev, const lv_font_t *font, uint8_t *s, uint16_t x, uint16_t y);
+
 #ifdef __cplusplus
 }
 #endif