|  | @@ -0,0 +1,376 @@
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				|  |  | +/***************************************************************************//**
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				|  |  | + *   @file   ST7579.c
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				|  |  | + *   @brief  Implementation of ST7579 Driver.
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				|  |  | + *   @author DBogdan (dragos.bogdan@analog.com)
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				|  |  | +********************************************************************************
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				|  |  | + * Copyright 2012(c) Analog Devices, Inc.
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				|  |  | + *
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				|  |  | + * All rights reserved.
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				|  |  | + *
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				|  |  | + * Redistribution and use in source and binary forms, with or without
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				|  |  | + * modification, are permitted provided that the following conditions are met:
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				|  |  | + *  - Redistributions of source code must retain the above copyright
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				|  |  | + *    notice, this list of conditions and the following disclaimer.
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				|  |  | + *  - Redistributions in binary form must reproduce the above copyright
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				|  |  | + *    notice, this list of conditions and the following disclaimer in
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				|  |  | + *    the documentation and/or other materials provided with the
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				|  |  | + *    distribution.
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				|  |  | + *  - Neither the name of Analog Devices, Inc. nor the names of its
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				|  |  | + *    contributors may be used to endorse or promote products derived
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				|  |  | + *    from this software without specific prior written permission.
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				|  |  | + *  - The use of this software may or may not infringe the patent rights
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				|  |  | + *    of one or more patent holders.  This license does not release you
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				|  |  | + *    from the requirement that you obtain separate licenses from these
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				|  |  | + *    patent holders to use this software.
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				|  |  | + *  - Use of the software either in source or binary form, must be run
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				|  |  | + *    on or directly connected to an Analog Devices Inc. component.
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				|  |  | + *
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				|  |  | + * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
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				|  |  | + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
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				|  |  | + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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				|  |  | + * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
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				|  |  | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
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				|  |  | + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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				|  |  | + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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				|  |  | + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  | + *
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				|  |  | +********************************************************************************
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				|  |  | + *   SVN Revision: 499
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				|  |  | +*******************************************************************************/
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				|  |  | +
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				|  |  | +/******************************************************************************/
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				|  |  | +/* Include Files                                                              */
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				|  |  | +/******************************************************************************/
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				|  |  | +#include "Communication.h"	// Communication definitions.
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				|  |  | +#include "ST7579.h"			// ST7579 definitions.
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				|  |  | +
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				|  |  | +/******************************************************************************/
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				|  |  | +/* Private variables                                                          */
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				|  |  | +/******************************************************************************/
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				|  |  | +const unsigned char st7579Font[95][5] =
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				|  |  | +{
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				|  |  | +	{ 0x00, 0x00, 0x00, 0x00, 0x00 },	// sp
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				|  |  | +	{ 0x00, 0x00, 0x2f, 0x00, 0x00 },	// !
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				|  |  | +	{ 0x00, 0x07, 0x00, 0x07, 0x00 },	// "
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				|  |  | +	{ 0x14, 0x7f, 0x14, 0x7f, 0x14 },	// #
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				|  |  | +	{ 0x24, 0x2a, 0x7f, 0x2a, 0x12 },	// $
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				|  |  | +	{ 0xc4, 0xc8, 0x10, 0x26, 0x46 },	// %
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				|  |  | +	{ 0x36, 0x49, 0x55, 0x22, 0x50 },	// &
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				|  |  | +	{ 0x00, 0x05, 0x03, 0x00, 0x00 },	// '
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				|  |  | +	{ 0x00, 0x1c, 0x22, 0x41, 0x00 },	// (
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				|  |  | +	{ 0x00, 0x41, 0x22, 0x1c, 0x00 },	// )
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				|  |  | +	{ 0x14, 0x08, 0x3E, 0x08, 0x14 },	// *
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				|  |  | +	{ 0x08, 0x08, 0x3E, 0x08, 0x08 },	// +
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				|  |  | +	{ 0x00, 0x00, 0x50, 0x30, 0x00 },	// ,
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				|  |  | +	{ 0x10, 0x10, 0x10, 0x10, 0x10 },	// -
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				|  |  | +	{ 0x00, 0x60, 0x60, 0x00, 0x00 },	// .
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				|  |  | +	{ 0x20, 0x10, 0x08, 0x04, 0x02 },	// /
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				|  |  | +	{ 0x3E, 0x51, 0x49, 0x45, 0x3E },	// 0
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				|  |  | +	{ 0x00, 0x42, 0x7F, 0x40, 0x00 },	// 1
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				|  |  | +	{ 0x42, 0x61, 0x51, 0x49, 0x46 },	// 2
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				|  |  | +	{ 0x21, 0x41, 0x45, 0x4B, 0x31 },	// 3
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				|  |  | +	{ 0x18, 0x14, 0x12, 0x7F, 0x10 },	// 4
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				|  |  | +	{ 0x27, 0x45, 0x45, 0x45, 0x39 },	// 5
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				|  |  | +	{ 0x3C, 0x4A, 0x49, 0x49, 0x30 },	// 6
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				|  |  | +	{ 0x01, 0x71, 0x09, 0x05, 0x03 },	// 7
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				|  |  | +	{ 0x36, 0x49, 0x49, 0x49, 0x36 },	// 8
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				|  |  | +	{ 0x06, 0x49, 0x49, 0x29, 0x1E },	// 9
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				|  |  | +	{ 0x00, 0x36, 0x36, 0x00, 0x00 },	// :
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				|  |  | +	{ 0x00, 0x56, 0x36, 0x00, 0x00 },	// ;
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				|  |  | +	{ 0x08, 0x14, 0x22, 0x41, 0x00 },	// <
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				|  |  | +	{ 0x14, 0x14, 0x14, 0x14, 0x14 },	// =
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				|  |  | +	{ 0x00, 0x41, 0x22, 0x14, 0x08 },	// >
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				|  |  | +	{ 0x02, 0x01, 0x51, 0x09, 0x06 },	// ?
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				|  |  | +	{ 0x32, 0x49, 0x59, 0x51, 0x3E },	// @
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				|  |  | +	{ 0x7E, 0x11, 0x11, 0x11, 0x7E },	// A
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				|  |  | +	{ 0x7F, 0x49, 0x49, 0x49, 0x36 },	// B
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				|  |  | +	{ 0x3E, 0x41, 0x41, 0x41, 0x22 },	// C
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				|  |  | +	{ 0x7F, 0x41, 0x41, 0x22, 0x1C },	// D
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				|  |  | +	{ 0x7F, 0x49, 0x49, 0x49, 0x41 },	// E
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				|  |  | +	{ 0x7F, 0x09, 0x09, 0x09, 0x01 },	// F
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				|  |  | +	{ 0x3E, 0x41, 0x49, 0x49, 0x7A },	// G
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				|  |  | +	{ 0x7F, 0x08, 0x08, 0x08, 0x7F },	// H
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				|  |  | +	{ 0x00, 0x41, 0x7F, 0x41, 0x00 },	// I
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				|  |  | +	{ 0x20, 0x40, 0x41, 0x3F, 0x01 },	// J
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				|  |  | +	{ 0x7F, 0x08, 0x14, 0x22, 0x41 },	// K
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				|  |  | +	{ 0x7F, 0x40, 0x40, 0x40, 0x40 },	// L
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				|  |  | +	{ 0x7F, 0x02, 0x0C, 0x02, 0x7F },	// M
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				|  |  | +	{ 0x7F, 0x04, 0x08, 0x10, 0x7F },	// N
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				|  |  | +	{ 0x3E, 0x41, 0x41, 0x41, 0x3E },	// O
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				|  |  | +	{ 0x7F, 0x09, 0x09, 0x09, 0x06 },	// P
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				|  |  | +	{ 0x3E, 0x41, 0x51, 0x21, 0x5E },	// Q
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				|  |  | +	{ 0x7F, 0x09, 0x19, 0x29, 0x46 },	// R
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				|  |  | +	{ 0x46, 0x49, 0x49, 0x49, 0x31 },	// S
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				|  |  | +	{ 0x01, 0x01, 0x7F, 0x01, 0x01 },	// T
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				|  |  | +	{ 0x3F, 0x40, 0x40, 0x40, 0x3F },	// U
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				|  |  | +	{ 0x1F, 0x20, 0x40, 0x20, 0x1F },	// V
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				|  |  | +	{ 0x3F, 0x40, 0x38, 0x40, 0x3F },	// W
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				|  |  | +	{ 0x63, 0x14, 0x08, 0x14, 0x63 },	// X
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				|  |  | +	{ 0x07, 0x08, 0x70, 0x08, 0x07 },	// Y
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				|  |  | +	{ 0x61, 0x51, 0x49, 0x45, 0x43 },	// Z
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				|  |  | +	{ 0x00, 0x7F, 0x41, 0x41, 0x00 },	// [
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				|  |  | +	{ 0x55, 0x2A, 0x55, 0x2A, 0x55 },	// /
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				|  |  | +	{ 0x00, 0x41, 0x41, 0x7F, 0x00 },	// ]
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				|  |  | +	{ 0x04, 0x02, 0x01, 0x02, 0x04 },	// ^
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				|  |  | +	{ 0x40, 0x40, 0x40, 0x40, 0x40 },	// _
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				|  |  | +	{ 0x00, 0x01, 0x02, 0x04, 0x00 },	// '
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				|  |  | +	{ 0x20, 0x54, 0x54, 0x54, 0x78 },	// a
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				|  |  | +	{ 0x7F, 0x48, 0x44, 0x44, 0x38 },	// b
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				|  |  | +	{ 0x38, 0x44, 0x44, 0x44, 0x20 },	// c
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				|  |  | +	{ 0x38, 0x44, 0x44, 0x48, 0x7F },	// d
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				|  |  | +	{ 0x38, 0x54, 0x54, 0x54, 0x18 },	// e
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				|  |  | +	{ 0x08, 0x7E, 0x09, 0x01, 0x02 },	// f
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				|  |  | +	{ 0x0C, 0x52, 0x52, 0x52, 0x3E },	// g
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				|  |  | +	{ 0x7F, 0x08, 0x04, 0x04, 0x78 },	// h
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				|  |  | +	{ 0x00, 0x44, 0x7D, 0x40, 0x00 },	// i
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				|  |  | +	{ 0x20, 0x40, 0x44, 0x3D, 0x00 },	// j
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				|  |  | +	{ 0x7F, 0x10, 0x28, 0x44, 0x00 },	// k
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				|  |  | +	{ 0x00, 0x41, 0x7F, 0x40, 0x00 },	// l
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				|  |  | +	{ 0x7C, 0x04, 0x18, 0x04, 0x78 },	// m
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				|  |  | +	{ 0x7C, 0x08, 0x04, 0x04, 0x78 },	// n
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				|  |  | +	{ 0x38, 0x44, 0x44, 0x44, 0x38 },	// o
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				|  |  | +	{ 0x7C, 0x14, 0x14, 0x14, 0x08 },	// p
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				|  |  | +	{ 0x08, 0x14, 0x14, 0x18, 0x7C },	// q
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				|  |  | +	{ 0x7C, 0x08, 0x04, 0x04, 0x08 },	// r
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				|  |  | +	{ 0x48, 0x54, 0x54, 0x54, 0x20 },	// s
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				|  |  | +	{ 0x04, 0x3F, 0x44, 0x40, 0x20 },	// t
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				|  |  | +	{ 0x3C, 0x40, 0x40, 0x20, 0x7C },	// u
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				|  |  | +	{ 0x1C, 0x20, 0x40, 0x20, 0x1C },	// v
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				|  |  | +	{ 0x3C, 0x40, 0x30, 0x40, 0x3C },	// w
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				|  |  | +	{ 0x44, 0x28, 0x10, 0x28, 0x44 },	// x
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				|  |  | +	{ 0x0C, 0x50, 0x50, 0x50, 0x3C },	// y
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				|  |  | +	{ 0x44, 0x64, 0x54, 0x4C, 0x44 },	// z
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				|  |  | +	{ 0x08, 0x3e, 0x41, 0x41, 0x00 },	// { 
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				|  |  | +	{ 0x00, 0x00, 0x77, 0x00, 0x00 },	// | 
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				|  |  | +	{ 0x00, 0x41, 0x41, 0x3e, 0x08 },	// } 
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				|  |  | +	{ 0x02, 0x01, 0x02, 0x01, 0x00 }	// ~
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				|  |  | +};
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				|  |  | +
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				|  |  | +/***************************************************************************//**
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				|  |  | + * @brief Transmits 8 bits to ST7579 controller.
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				|  |  | + *
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				|  |  | + * @param data - data to transmit.
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				|  |  | + *
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				|  |  | + * @return None.
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				|  |  | +*******************************************************************************/
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				|  |  | +void ST7579_WriteByte(unsigned char data)
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				|  |  | +{
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				|  |  | +    unsigned char spiWord[2]    = {0};
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				|  |  | +    spiWord[0] = 0x02;
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				|  |  | +    spiWord[1] = data;
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				|  |  | +	SPI_Write(spiWord,1);
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				|  |  | +}
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				|  |  | +
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				|  |  | +/***************************************************************************//**
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				|  |  | + * @brief Initializes the ST7579 controller.
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				|  |  | + *
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				|  |  | + * @param None.
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				|  |  | + *
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				|  |  | + * @return None.
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				|  |  | +*******************************************************************************/
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				|  |  | +unsigned char ST7579_Init(void)
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				|  |  | +{
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				|  |  | +	unsigned char status  = 0x0;
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				|  |  | +	status = SPI_Init(0, 1000000, 1, 1);
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				|  |  | +	ST7579_RS_PIN_OUT;
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				|  |  | +	ST7579_RS_LOW;
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				|  |  | +	/* Select LCD bias ratio of the voltage required for driving the LCD. */
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				|  |  | +	ST7579_WriteByte(0x21);
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				|  |  | +	ST7579_WriteByte(0x16);
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				|  |  | +	/* Select Booster efficiency and Booster stage. */
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				|  |  | +	ST7579_WriteByte(0x23);
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				|  |  | +	ST7579_WriteByte(0x99);
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				|  |  | +	/* Set V0 Range. */
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				|  |  | +	ST7579_WriteByte(0x20);	
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				|  |  | +	ST7579_WriteByte(0x04);
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				|  |  | +	/* 50 ms delay is recommended. */
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				|  |  | +	/* Set the frame frequency */
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				|  |  | +	ST7579_WriteByte(0x23);
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				|  |  | +	ST7579_WriteByte(0x0C);
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				|  |  | +	/* Set V0. */
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				|  |  | +	ST7579_WriteByte(0x21);	
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				|  |  | +	ST7579_WriteByte(0xE7);
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				|  |  | +	/* Select the display mode */
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				|  |  | +	ST7579_WriteByte(0x20);
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				|  |  | +	ST7579_WriteByte(0x0C);
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				|  |  | +	ST7579_RS_HIGH;
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				|  |  | +	/* Clear RAM. */
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				|  |  | +	ST7579_Clear();
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				|  |  | +
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				|  |  | +	return(status);
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				|  |  | +}
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				|  |  | +
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				|  |  | +/***************************************************************************//**
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				|  |  | + * @brief Clears ST7579 RAM.
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				|  |  | + *
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				|  |  | + * @param None.
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				|  |  | + *
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				|  |  | + * @return None.
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				|  |  | +*******************************************************************************/
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				|  |  | +void ST7579_Clear(void)
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				|  |  | +{
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				|  |  | +	unsigned short clearPosition;
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				|  |  | +	unsigned char yPosition = 0x0;	
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				|  |  | +	for(clearPosition = 0;clearPosition < (64 * 96);clearPosition ++)
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				|  |  | +	{
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				|  |  | +		if(!(clearPosition % 96))
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				|  |  | +		{
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				|  |  | +			ST7579_RS_LOW;
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				|  |  | +			/* Set X address of RAM. */
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				|  |  | +			ST7579_WriteByte(0x28);
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				|  |  | +			ST7579_WriteByte(0x80);
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				|  |  | +			/* Set Y address of RAM. */
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				|  |  | +			ST7579_WriteByte(0x28);
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				|  |  | +			ST7579_WriteByte(0x40 + yPosition);
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				|  |  | +			yPosition ++;
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				|  |  | +			ST7579_RS_HIGH;
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				|  |  | +		}
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				|  |  | +		ST7579_WriteByte(0x00);
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				|  |  | +	}
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				|  |  | +}
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				|  |  | +
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				|  |  | +/***************************************************************************//**
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				|  |  | + * @brief Sends a character to ST7579 controller.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param yPosition - Y address of RAM.
 | 
	
		
			
				|  |  | + * @param xPosition - X address of RAM.
 | 
	
		
			
				|  |  | + * @param character - The character.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @return None.
 | 
	
		
			
				|  |  | +*******************************************************************************/
 | 
	
		
			
				|  |  | +void ST7579_Char(unsigned char yPosition,
 | 
	
		
			
				|  |  | +                 unsigned char xPosition,
 | 
	
		
			
				|  |  | +                 unsigned char character)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +	volatile unsigned char column;
 | 
	
		
			
				|  |  | +	ST7579_RS_LOW;
 | 
	
		
			
				|  |  | +	/* Set X address of RAM. */
 | 
	
		
			
				|  |  | +	ST7579_WriteByte(0x28);
 | 
	
		
			
				|  |  | +	ST7579_WriteByte(0x80 + xPosition);
 | 
	
		
			
				|  |  | +	/* Set Y address of RAM. */
 | 
	
		
			
				|  |  | +	ST7579_WriteByte(0x28);
 | 
	
		
			
				|  |  | +	ST7579_WriteByte(0x40 + yPosition);
 | 
	
		
			
				|  |  | +	ST7579_RS_HIGH;
 | 
	
		
			
				|  |  | +	/* Send character data. */
 | 
	
		
			
				|  |  | +	for(column = 0;column < 5;column ++)
 | 
	
		
			
				|  |  | +	{
 | 
	
		
			
				|  |  | +		ST7579_WriteByte(st7579Font[character - 32][column] << 1);
 | 
	
		
			
				|  |  | +	}
 | 
	
		
			
				|  |  | +	ST7579_WriteByte(0x00);
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/***************************************************************************//**
 | 
	
		
			
				|  |  | + * @brief Sends a string to ST7579 controller.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param yPosition - Y address of RAM.
 | 
	
		
			
				|  |  | + * @param xPosition - X address of RAM.
 | 
	
		
			
				|  |  | + * @param string - The string.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @return None.
 | 
	
		
			
				|  |  | +*******************************************************************************/
 | 
	
		
			
				|  |  | +void ST7579_String(unsigned char yPosition,
 | 
	
		
			
				|  |  | +                   unsigned char xPosition,
 | 
	
		
			
				|  |  | +                   unsigned char* string)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +	while(*string)
 | 
	
		
			
				|  |  | +	{
 | 
	
		
			
				|  |  | +		/* Send each character of the string. */
 | 
	
		
			
				|  |  | +		ST7579_Char(yPosition, xPosition, *string++);
 | 
	
		
			
				|  |  | +		xPosition += 6;
 | 
	
		
			
				|  |  | +	}
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/***************************************************************************//**
 | 
	
		
			
				|  |  | + * @brief Sends an integer number to ST7579 controller.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param yPosition - Y address of RAM.
 | 
	
		
			
				|  |  | + * @param xPosition - X address of RAM.
 | 
	
		
			
				|  |  | + * @param number - The number.
 | 
	
		
			
				|  |  | + * @param chNumber - Number of characters.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @return None.
 | 
	
		
			
				|  |  | +*******************************************************************************/
 | 
	
		
			
				|  |  | +void ST7579_Number(unsigned char yPosition,
 | 
	
		
			
				|  |  | +                   unsigned char xPosition,
 | 
	
		
			
				|  |  | +                   unsigned long number,
 | 
	
		
			
				|  |  | +                   unsigned char chNumber)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +	while(chNumber--)
 | 
	
		
			
				|  |  | +	{
 | 
	
		
			
				|  |  | +		ST7579_Char(yPosition, xPosition, (number % 10) + 0x30);
 | 
	
		
			
				|  |  | +		xPosition -= 6;
 | 
	
		
			
				|  |  | +		number = number / 10;
 | 
	
		
			
				|  |  | +	}
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/***************************************************************************//**
 | 
	
		
			
				|  |  | + * @brief Sends an integer number in Hexa format to ST7579 controller.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param yPosition - Y address of RAM.
 | 
	
		
			
				|  |  | + * @param xPosition - X address of RAM.
 | 
	
		
			
				|  |  | + * @param number - The number.
 | 
	
		
			
				|  |  | + * @param bytesNumber - Number of bytes.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @return None.
 | 
	
		
			
				|  |  | +*******************************************************************************/
 | 
	
		
			
				|  |  | +void ST7579_HexNumber(unsigned char yPosition,
 | 
	
		
			
				|  |  | +					  unsigned char xPosition,
 | 
	
		
			
				|  |  | +					  unsigned long number,
 | 
	
		
			
				|  |  | +                      unsigned char bytesNumber)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +	char character = 0;
 | 
	
		
			
				|  |  | +    bytesNumber *= 2;
 | 
	
		
			
				|  |  | +	while(bytesNumber--)
 | 
	
		
			
				|  |  | +	{
 | 
	
		
			
				|  |  | +		character = (number % 16);
 | 
	
		
			
				|  |  | +		if (character <= 9)
 | 
	
		
			
				|  |  | +		{
 | 
	
		
			
				|  |  | +			character += 0x30;
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +		else
 | 
	
		
			
				|  |  | +		{
 | 
	
		
			
				|  |  | +			character +=0x37;
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +		ST7579_Char(yPosition, xPosition, character);
 | 
	
		
			
				|  |  | +		xPosition -= 6;
 | 
	
		
			
				|  |  | +		number = number / 16;
 | 
	
		
			
				|  |  | +	}
 | 
	
		
			
				|  |  | +}
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +/***************************************************************************//**
 | 
	
		
			
				|  |  | + * @brief Sends an image array to ST7579 controller.
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @param yPosition - Y address of RAM.
 | 
	
		
			
				|  |  | + * @param xPosition - X address of RAM.
 | 
	
		
			
				|  |  | + * @param image - The image array.
 | 
	
		
			
				|  |  | + * @param width - The width of the image (pixels).
 | 
	
		
			
				|  |  | + * @param height - The height of the image (pixels).
 | 
	
		
			
				|  |  | + *
 | 
	
		
			
				|  |  | + * @return None.
 | 
	
		
			
				|  |  | +*******************************************************************************/
 | 
	
		
			
				|  |  | +void ST7579_Image(unsigned char yPosition,
 | 
	
		
			
				|  |  | +                  unsigned char xPosition,
 | 
	
		
			
				|  |  | +                  const unsigned char image[],
 | 
	
		
			
				|  |  | +                  unsigned char width,
 | 
	
		
			
				|  |  | +                  unsigned char height)
 | 
	
		
			
				|  |  | +{
 | 
	
		
			
				|  |  | +	unsigned short index;
 | 
	
		
			
				|  |  | +	for(index = 0;index < (width * height / 8);index ++)
 | 
	
		
			
				|  |  | +	{
 | 
	
		
			
				|  |  | +		if(!(index % width))
 | 
	
		
			
				|  |  | +		{
 | 
	
		
			
				|  |  | +			ST7579_RS_LOW;
 | 
	
		
			
				|  |  | +			/* Set X address of RAM. */
 | 
	
		
			
				|  |  | +			ST7579_WriteByte(0x28);
 | 
	
		
			
				|  |  | +			ST7579_WriteByte(0x80 + xPosition);
 | 
	
		
			
				|  |  | +			/* Set Y address of RAM. */
 | 
	
		
			
				|  |  | +			ST7579_WriteByte(0x28);
 | 
	
		
			
				|  |  | +			ST7579_WriteByte(0x40 + yPosition);
 | 
	
		
			
				|  |  | +			yPosition ++;
 | 
	
		
			
				|  |  | +			ST7579_RS_HIGH;
 | 
	
		
			
				|  |  | +		}
 | 
	
		
			
				|  |  | +		ST7579_WriteByte(image[index]);
 | 
	
		
			
				|  |  | +	}
 | 
	
		
			
				|  |  | +}
 |