From 9bbc4741aff7bfe5337ff2a350caac52b672a41e Mon Sep 17 00:00:00 2001
From: fvanroie <15969459+fvanroie@users.noreply.github.com>
Date: Wed, 13 Jan 2021 00:12:05 +0100
Subject: [PATCH] Add invert_display runtime option

---
 src/drv/hasp_drv_display.cpp | 20 +++++++++++++++++---
 src/drv/hasp_drv_display.h   |  3 ++-
 2 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/drv/hasp_drv_display.cpp b/src/drv/hasp_drv_display.cpp
index 3276c19e..9517a0f7 100644
--- a/src/drv/hasp_drv_display.cpp
+++ b/src/drv/hasp_drv_display.cpp
@@ -38,7 +38,7 @@ void m5stack_init()
 }
 #endif
 
-void drv_display_init(uint8_t rotation)
+void drv_display_init(lv_disp_drv_t * disp_drv, uint8_t rotation, bool invert_display)
 {
 #if defined(M5STACK)
     m5stack_init(); // Set LCD power first
@@ -46,9 +46,23 @@ void drv_display_init(uint8_t rotation)
 
     /* TFT init */
 #if defined(USE_FSMC)
-    fsmc_ili9341_init(rotation);
+    fsmc_ili9341_init(rotation, invert_display);
+    disp_drv->flush_cb = fsmc_ili9341_flush; // Normal callback when flushing
     // xpt2046_init(rotation);
 #else
-    tft_espi_init(rotation);
+    tft_espi_init(rotation, invert_display);
+    disp_drv->flush_cb = tft_espi_flush; // Normal callback when flushing
 #endif
 }
+
+/* Callback used for screenshots only: */
+
+/* indirect callback to flush screenshot data to the screen */
+void drv_display_flush_cb(lv_disp_drv_t * disp, const lv_area_t * area, lv_color_t * color_p)
+{
+#if defined(USE_FSMC)
+    fsmc_ili9341_flush(disp, area, color_p);
+#else
+    tft_espi_flush(disp, area, color_p);
+#endif
+}
\ No newline at end of file
diff --git a/src/drv/hasp_drv_display.h b/src/drv/hasp_drv_display.h
index 27951e5e..477cb762 100644
--- a/src/drv/hasp_drv_display.h
+++ b/src/drv/hasp_drv_display.h
@@ -11,6 +11,7 @@
     #include "tft_espi_drv.h"
 #endif
 
-    void drv_display_init(uint8_t rotation);
+void drv_display_init(lv_disp_drv_t * disp_drv, uint8_t rotation, bool invert_display);
+void drv_display_flush_cb(lv_disp_drv_t * disp, const lv_area_t * area, lv_color_t * color_p);
 
 #endif
\ No newline at end of file