Add capacitive touch LCD driver

main/lcd_reg.h

@@ -1,4 +1,4 @@
-#ifndef LCD_REG_H
+#ifndef LCD_REG_H
 #define LCD_REG_H
 
 #include <stdint.h>
@@ -7,6 +7,7 @@
 #define LCD_HEIGHT 240
 
 void lcd_reg_init(void);
+void lcd_reg_restore(void);
 void lcd_set_window(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1);
 void lcd_write_pixels(const void *data, uint32_t length);
 void lcd_delay_ms(uint32_t ms);