From dadf09eff2274d2f55b4a7da3799c406824c6207 Mon Sep 17 00:00:00 2001
From: ShallowGreen123 <2608653986@qq.com>
Date: Thu, 20 Feb 2025 16:49:09 +0800
Subject: [PATCH] fix Vcom bug

---
 examples/factory/main/ui.cpp      | 2 +-
 examples/factory/main/ui_port.cpp | 9 +++++++++
 examples/factory/main/ui_port.h   | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/examples/factory/main/ui.cpp b/examples/factory/main/ui.cpp
index 3f33eea..5d9563e 100644
--- a/examples/factory/main/ui.cpp
+++ b/examples/factory/main/ui.cpp
@@ -2497,7 +2497,7 @@ static void create8(lv_obj_t *parent)
     } 
     else 
     {
-        ui_setting_set_vcom(5000);
+        ui_shutdown_vcom(5000);
 
         lv_obj_t * img = lv_img_create(parent);
         lv_img_set_src(img, &img_start);
diff --git a/examples/factory/main/ui_port.cpp b/examples/factory/main/ui_port.cpp
index fec55a5..340828a 100644
--- a/examples/factory/main/ui_port.cpp
+++ b/examples/factory/main/ui_port.cpp
@@ -20,6 +20,10 @@ void ui_nvs_set_defaulat_param(void)
     epd_vcom_default = nvs_param_get_u16(NVS_ID_EPD_VCOM);
     refresh_mode = nvs_param_get_u8(NVS_ID_REFRESH_MODE);
 
+    printf("ui_setting_backlight = %d\n", ui_setting_backlight );
+    printf("epd_vcom_default = %d\n", epd_vcom_default );
+    printf("refresh_mode = %d\n", refresh_mode );
+
     ui_setting_set_backlight(ui_setting_backlight);
 }
 
@@ -496,6 +500,11 @@ void ui_gps_get_speed(double *speed)
 }
 
 //************************************[ screen 8 ]****************************************** shutdown
+void ui_shutdown_vcom(int v)
+{
+    epd_set_vcom(v);
+}
+
 void ui_shutdown(void)
 {
     PPM.shutdown();
diff --git a/examples/factory/main/ui_port.h b/examples/factory/main/ui_port.h
index c7e6b4b..0fad5c5 100644
--- a/examples/factory/main/ui_port.h
+++ b/examples/factory/main/ui_port.h
@@ -111,6 +111,7 @@ void ui_gps_get_time(uint8_t *hour, uint8_t *minute, uint8_t *second);
 void ui_gps_get_satellites(uint32_t *vsat);
 void ui_gps_get_speed(double *speed);
 // shutdown
+void ui_shutdown_vcom(int v);
 void ui_shutdown(void);
 
 void ui_sleep(void);