Ajout LCD pour débug

src/main.c

@@ -22,11 +22,18 @@ int main(void) {
 	lcd_position(1, 0);
 	lcd_puts("Initialisation ok ");
 
+	int j = 0;
+
 	while(1) {
 		for(int i = 100000; i>0; i--);
 		epaper_clearframe(0xFF);
 		for(int i = 100000; i>0; i--);
 		epaper_clearframe(0x88);
+
+		lcd_position(1, 0);
+		lcd_puts("                ");
+		lcd_position(1, 0);
+		lcd_putc((j++ % 26) + 'A');
 	};
 
 } // end of main