4 * This file is part of BeRTOS.
6 * Bertos is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 * As a special exception, you may use this file as part of a free software
21 * library without restriction. Specifically, if other files instantiate
22 * templates or use macros or inline functions from this file, or you compile
23 * this file and link it with other files to produce an executable, this
24 * file does not by itself cause the resulting executable to be covered by
25 * the GNU General Public License. This exception does not however
26 * invalidate any other reasons why the executable file might be covered by
27 * the GNU General Public License.
29 * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
33 * \brief Atmel SAM3N-EK testcase
35 * \author Luca Ottaviano <lottaviano@develer.com>
38 #define LCD_BACKLIGHT_MAX 15
39 #define LCD_BACKLIGHT_PIN BV(13) // Port C
40 #define LCD_SPICLOCK 12000000 // Minimum cycle len = 80 ns according specs
42 #define LCD_BACKLIGHT_INIT() \
44 PIOC_OER = LCD_BACKLIGHT_PIN; \
45 PIOC_SODR = LCD_BACKLIGHT_PIN; \
46 PIOC_PER = LCD_BACKLIGHT_PIN; \
49 #define LCD_BACKLIGHT_LEVEL_UP() \
52 PIOC_CODR = LCD_BACKLIGHT_PIN; \
53 PIOC_CODR = LCD_BACKLIGHT_PIN; \
54 PIOC_CODR = LCD_BACKLIGHT_PIN; \
55 PIOC_SODR = LCD_BACKLIGHT_PIN; \
56 PIOC_SODR = LCD_BACKLIGHT_PIN; \
57 PIOC_SODR = LCD_BACKLIGHT_PIN; \