WebSVN - idreammicro-arduino - Blame - Rev 2 - /trunk/libraries/MAX7219/MAX7219.h

Rev	Author	Line No.	Line
2	jlesech	1	/************************************************************************//
		2	* \brief MAX7219 library for Arduino
		3	* \author Copyright (C) 2011 Julien Le Sech - www.idreammicro.com
		4	* \version 1.0
		5	* \date 20110801
		6	*
		7	* This file is part of the MAX7219 library for Arduino.
		8	*
		9	* This library is free software: you can redistribute it and/or modify it under
		10	* the terms of the GNU Lesser General Public License as published by the Free
		11	* Software Foundation, either version 3 of the License, or (at your option) any
		12	* later version.
		13	*
		14	* This library is distributed in the hope that it will be useful, but WITHOUT
		15	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
		16	* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
		17	* details.
		18	*
		19	* You should have received a copy of the GNU Lesser General Public License
		20	* along with this program. If not, see http://www.gnu.org/licenses/
		21	******************************************************************************/
		22
		23	/************************************************************************//
		24	* \headerfile MAX7219.h
		25	******************************************************************************/
		26
		27	#ifndef MAX7219_h
		28	#define MAX7219_h
		29
		30	/******************************************************************************
		31	* Header file inclusions.
		32	******************************************************************************/
		33
		34	#include <WProgram.h>
		35
		36	/************************************************************************//
		37	* \class MAX7219
		38	******************************************************************************/
		39	class MAX7219
		40	{
		41	public:
		42
		43	/****************************************************************//
		44	* \enum DecodeModes
		45	* \typedef DecodeMode_t
		46	**********************************************************************/
		47	typedef enum DecodeModes
		48	{
		49	DecodeMode_NoDecode = 0x00,
		50	DecodeMode_Digit0 = 0x01,
		51	DecodeMode_Digit1 = 0x02,
		52	DecodeMode_Digit2 = 0x04,
		53	DecodeMode_Digit3 = 0x08,
		54	DecodeMode_Digit4 = 0x10,
		55	DecodeMode_Digit5 = 0x20,
		56	DecodeMode_Digit6 = 0x40,
		57	DecodeMode_Digit7 = 0x80,
		58	DecodeMode_AllDigits = 0xFF
		59	} DecodeMode_t;
		60
		61	/****************************************************************//
		62	* \enum DecodeModes
		63	* \typedef DecodeMode_t
		64	**********************************************************************/
		65	typedef enum Intensities
		66	{
		67	Intensity_Level0 = 0x00,
		68	Intensity_Level1 = 0x01,
		69	Intensity_Level2 = 0x02,
		70	Intensity_Level3 = 0x03,
		71	Intensity_Level4 = 0x04,
		72	Intensity_Level5 = 0x05,
		73	Intensity_Level6 = 0x06,
		74	Intensity_Level7 = 0x07,
		75	Intensity_Level8 = 0x08,
		76	Intensity_Level9 = 0x09,
		77	Intensity_Level10 = 0x0A,
		78	Intensity_Level11 = 0x0B,
		79	Intensity_Level12 = 0x0C,
		80	Intensity_Level13 = 0x0D,
		81	Intensity_Level14 = 0x0E,
		82	Intensity_Level15 = 0x0F
		83	} Intensity_t;
		84
		85	/****************************************************************//
		86	* \enum ScanLimits
		87	* \typedef ScanLimit_t
		88	**********************************************************************/
		89	typedef enum ScanLimits
		90	{
		91	ScanLimit_Digit0 = 0x00,
		92	ScanLimit_Digit0To1 = 0x01,
		93	ScanLimit_Digit0To2 = 0x02,
		94	ScanLimit_Digit0To3 = 0x03,
		95	ScanLimit_Digit0To4 = 0x04,
		96	ScanLimit_Digit0To5 = 0x05,
		97	ScanLimit_Digit0To6 = 0x06,
		98	ScanLimit_Digit0To7 = 0x07
		99	} ScanLimit_t;
		100
		101	/****************************************************************//
		102	* \enum ShutdownModes
		103	* \typedef ShutdownMode_t
		104	**********************************************************************/
		105	typedef enum ShutdownModes
		106	{
		107	ShutdownMode_Shutdown = 0x00,
		108	ShutdownMode_NormalOperation = 0x01
		109	} ShutdownMode_t;
		110
		111	/****************************************************************//
		112	* \enum DisplayTestModes
		113	* \typedef DisplayTestMode_t
		114	**********************************************************************/
		115	typedef enum DisplayTestModes
		116	{
		117	NormalOperation = 0x00,
		118	TestMode = 0x01
		119	} DisplayTestMode_t;
		120
		121	/****************************************************************//
		122	* \enum Digits
		123	* \typedef Digit_t
		124	**********************************************************************/
		125	typedef enum Digits
		126	{
		127	Digit_0 = 0x01,
		128	Digit_1 = 0x02,
		129	Digit_2 = 0x03,
		130	Digit_3 = 0x04,
		131	Digit_4 = 0x05,
		132	Digit_5 = 0x06,
		133	Digit_6 = 0x07,
		134	Digit_7 = 0x08
		135	} Digit_t;
		136
		137	/****************************************************************//
		138	* \enum Characters
		139	* \typedef Character_t
		140	**********************************************************************/
		141	typedef enum Characters
		142	{
		143	Character_Zero = 0x00,
		144	Character_One = 0x01,
		145	Character_Two = 0x02,
		146	Character_Three = 0x03,
		147	Character_Four = 0x04,
		148	Character_Five = 0x05,
		149	Character_Six = 0x06,
		150	Character_Seven = 0x07,
		151	Character_Eight = 0x08,
		152	Character_Nine = 0x09,
		153	Character_Dash = 0x0A,
		154	Character_E = 0x0B,
		155	Character_H = 0x0C,
		156	Character_L = 0x0D,
		157	Character_P = 0x0E,
		158	Character_Blank = 0x0F
		159	} Character_t;
		160
		161	/****************************************************************//
		162	* \enum Segments
		163	* \typedef Segment_t
		164	**********************************************************************/
		165	typedef enum Segments
		166	{
		167	Segment_DP = 0x80,
		168	Segment_A = 0x40,
		169	Segment_B = 0x20,
		170	Segment_C = 0x10,
		171	Segment_D = 0x08,
		172	Segment_E = 0x04,
		173	Segment_F = 0x02,
		174	Segment_G = 0x01
		175	} Segment_t;
		176
		177	public:
		178
		179	/****************************************************************//
		180	* \fn MAX7219(byte csPin)
		181	*
		182	* \brief Constructor.
		183	*
		184	* \param csPin Chip select pin number.
		185	**********************************************************************/
		186	MAX7219
		187	(
		188	byte csPin
		189	);
		190
		191	/****************************************************************//
		192	* \fn void initialize()
		193	*
		194	* \brief Initialize SPI to drive MAX7219.
		195	**********************************************************************/
		196	void
		197	initialize();
		198
		199	/****************************************************************//
		200	* \fn void setDecodeMode(DecodeModes mode)
		201	*
		202	* \brief Set MAX7219 decode mode.
		203	*
		204	* \param mode Decode mode to set.
		205	**********************************************************************/
		206	void
		207	setDecodeMode
		208	(
		209	DecodeModes mode
		210	);
		211
		212	/****************************************************************//
		213	* \fn void setIntensity(Intensities intensity)
		214	*
		215	* \brief Set MAX7219 intensity.
		216	*
		217	* \param itensity Intensity to set.
		218	**********************************************************************/
		219	void
		220	setIntensity
		221	(
		222	Intensities intensity
		223	);
		224
		225	/****************************************************************//
		226	* \fn void setScanLimit(ScanLimits limit)
		227	*
		228	* \brief Set MAX7219 scan limit.
		229	*
		230	* \param limit Scan limit to set.
		231	**********************************************************************/
		232	void
		233	setScanLimit
		234	(
		235	ScanLimits limit
		236	);
		237
		238	/****************************************************************//
		239	* \fn void setShutdownMode(ShutdownModes mode)
		240	*
		241	* \brief Set MAX7219 shutdown mode.
		242	*
		243	* \param mode Shutdown mode to set.
		244	**********************************************************************/
		245	void
		246	setShutdownMode
		247	(
		248	ShutdownModes mode
		249	);
		250
		251	/****************************************************************//
		252	* \fn void setDisplayTestMode(DisplayTestModes mode)
		253	*
		254	* \brief Set MAX7219 display test mode.
		255	*
		256	* \param mode Display test mode to set.
		257	**********************************************************************/
		258	void
		259	setDisplayTestMode
		260	(
		261	DisplayTestModes mode
		262	);
		263
		264	/****************************************************************//
		265	* \fn void writeDigit(
		266	* Digits digit,
		267	* Characters character,
		268	* bool decimalPoint = false)
		269	*
		270	* \brief Write character on digit.
		271	*
		272	* \param digit Digit to write.
		273	* \param character Character to write.
		274	* \param decimalPoint Display decimal point.
		275	**********************************************************************/
		276	void
		277	writeDigit
		278	(
		279	Digits digit,
		280	Characters character,
		281	bool decimalPoint = false
		282	);
		283
		284	/****************************************************************//
		285	* \fn void writeDigit(Digits digit, Segments segments)
		286	*
		287	* \brief Set segment(s) on digit.
		288	*
		289	* \param digit Digit to write.
		290	* \param segment Segment(s) to set.
		291	**********************************************************************/
		292	void
		293	writeDigit
		294	(
		295	Digits digit,
		296	Segments segment
		297	);
		298
		299	private:
		300
		301	byte m_csPin;
		302
		303	/****************************************************************//
		304	* \fn void write(byte address, byte value)
		305	*
		306	* \brief Write value into MAX7219 register.
		307	*
		308	* \param address Register address.
		309	* \param value Value to write.
		310	**********************************************************************/
		311	void
		312	write
		313	(
		314	byte address,
		315	byte value
		316	);
		317	};
		318
		319	#endif // MAX7219_h

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