DSP7S04H.h

/*

Copyright (c) 2017, Embedded Adventures, www.embeddedadventures.com
All rights reserved.

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  this list of conditions and the following disclaimer.
 
- Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution.

- Neither the name of Embedded Adventures nor the names of its contributors
  may be used to endorse or promote products derived from this software
  without specific prior written permission.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/

//
// A library for accessing the DSP-7204H 7 segment 4 digit display from Embedded Adventures
// This version works over I2C
//

#ifndef __DSP7S04H_H
#define __DSP7S04H_H

#include <Arduino.h>
#include <Wire.h>

#define EA_DSP7S04_ADDR_DEFAULT 0x32

#define uns8 unsigned char
#define uns16 unsigned int

#define MODE_ON 		1
#define MODE_OFF 		0
#define CMD_TEST_MODE 	0x00
#define CMD_PRINT 		0x01
#define CMD_RAW 		0x02
#define CMD_DOT 		0x03
#define CMD_CLEAR 		0x05
#define CMD_LEVEL 		0x06

class DSP7S04HClass
{
 
 private: 
  uns8 addr;
  
 public:
 
  void setAddress(uns8 _addr);	// call this to set the i2c address the DSP-7S04H is on
  void println(char *str);	// print a string on the display
  void setRaw(uns8 pos, uns16 data);	// set segments directly
  void setDot(uns8 pos);	// turn a dot (0-3) on
  void clearDot(uns8 pos);	// turn a dot (0-3) off
  void setTestMode(uns8 on);	// turn on or off test mode (pass MODE_ON or MODE_OFF)
  void clearDisplay(void);	// clear entire display
  void setBrightness(uns8 level);	// set brightness 0-dull 255-bright
};

extern DSP7S04HClass dsp7s04h;


#endif