sanity

Author: thinkyhead

Marlin/Configuration.h

@@ -3292,7 +3292,7 @@
    */
   #define TFT_FONT  NOTOSANS
 
-  //#define TFT_SHARED_IO   // IO is shared between TFT display and other devices. Disable async data transfer
+  //#define TFT_SHARED_IO   // I/O is shared between TFT display and other devices. Disable async data transfer.
 #endif
 
 #if ENABLED(TFT_LVGL_UI)

Marlin/src/inc/SanityCheck.h

@@ -698,6 +698,8 @@
   #error "DISABLE_INACTIVE_[XYZIJKUVWE] is now DISABLE_IDLE_[XYZIJKUVWE]."
 #elif defined(DEFAULT_STEPPER_DEACTIVE_TIME)
   #error "DEFAULT_STEPPER_DEACTIVE_TIME is now DEFAULT_STEPPER_TIMEOUT_SEC."
+#elif defined(TFT_SHARED_SPI)
+  #error "TFT_SHARED_SPI is now TFT_SHARED_IO."
 #endif
 
 // L64xx stepper drivers have been removed

Marlin/src/lcd/tft_io/st7796s.h

@@ -150,7 +150,7 @@ static const uint16_t st7796s_init[] = {
   ESC_REG(ST7796S_PGC), 0x00F0, 0x0004, 0x0008, 0x0009, 0x0008, 0x0015, 0x002F, 0x0042, 0x0046, 0x0028, 0x0015, 0x0016, 0x0029, 0x002D,
   ESC_REG(ST7796S_NGC), 0x00F0, 0x0004, 0x0009, 0x0009, 0x0008, 0x0015, 0x002E, 0x0046, 0x0046, 0x0028, 0x0015, 0x0015, 0x0029, 0x002D,
 
-  ESC_REG(TERN(ST7796S_INVERTED, ST7796S_INVON, ST7796S_NORON), // Display inversion
+  ESC_REG(TERN(ST7796S_INVERTED, ST7796S_INVON, ST7796S_NORON)), // Display inversion
   ESC_REG(ST7796S_WRCTRLD), 0x0024,
   ESC_REG(ST7796S_CSCON), 0x003C,  // disable command 2 part I
   ESC_REG(ST7796S_CSCON), 0x0069,  // disable command 2 part II