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/*
* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
* Copyright (c) 2016 Intel Corporation.
*
* Based on Adafruit SSD1351 library.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include <string>
#include <mraa/common.hpp>
#include <mraa/gpio.hpp>
#include <mraa/spi.hpp>
#include "gfx.h"
// Display Size
#define SSD1351WIDTH 128
#define SSD1351HEIGHT 128 // Set this to 96 for 1.27"
// SSD1351 Commands
#define SSD1351_CMD_SETCOLUMN 0x15
#define SSD1351_CMD_SETROW 0x75
#define SSD1351_CMD_WRITERAM 0x5C
#define SSD1351_CMD_READRAM 0x5D
#define SSD1351_CMD_SETREMAP 0xA0
#define SSD1351_CMD_STARTLINE 0xA1
#define SSD1351_CMD_DISPLAYOFFSET 0xA2
#define SSD1351_CMD_DISPLAYALLOFF 0xA4
#define SSD1351_CMD_DISPLAYALLON 0xA5
#define SSD1351_CMD_NORMALDISPLAY 0xA6
#define SSD1351_CMD_INVERTDISPLAY 0xA7
#define SSD1351_CMD_FUNCTIONSELECT 0xAB
#define SSD1351_CMD_DISPLAYOFF 0xAE
#define SSD1351_CMD_DISPLAYON 0xAF
#define SSD1351_CMD_PRECHARGE 0xB1
#define SSD1351_CMD_DISPLAYENHANCE 0xB2
#define SSD1351_CMD_CLOCKDIV 0xB3
#define SSD1351_CMD_SETVSL 0xB4
#define SSD1351_CMD_SETGPIO 0xB5
#define SSD1351_CMD_PRECHARGE2 0xB6
#define SSD1351_CMD_SETGRAY 0xB8
#define SSD1351_CMD_USELUT 0xB9
#define SSD1351_CMD_PRECHARGELEVEL 0xBB
#define SSD1351_CMD_VCOMH 0xBE
#define SSD1351_CMD_CONTRASTABC 0xC1
#define SSD1351_CMD_CONTRASTMASTER 0xC7
#define SSD1351_CMD_MUXRATIO 0xCA
#define SSD1351_CMD_COMMANDLOCK 0xFD
#define SSD1351_CMD_HORIZSCROLL 0x96
#define SSD1351_CMD_STOPSCROLL 0x9E
#define SSD1351_CMD_STARTSCROLL 0x9F
#define HIGH 1
#define LOW 0
// Number of blocks for SPI transfer of buffer
#define BLOCKS 8
namespace upm {
/**
* @brief SSD1351 OLED library
* @defgroup ssd1351 libupm-ssd1351
* @ingroup adafruit spi display
*/
/**
* @library ssd1351
* @sensor ssd1351
* @comname SSD1351 OLED
* @type display
* @man adafruit
* @web http://www.adafruit.com/products/1431
* @con spi
*
* @brief API for SSD1351 OLED displays
*
* This module defines the interface for the SSD1351 display library
*
* @image html ssd1351.jpg
* @snippet ssd1351.cxx Interesting
*/
class SSD1351 : public GFX{
public:
/**
* Instantiates an SSD1351 object
*
* @param oc LCD chip select pin
* @param dc Data/command pin
* @param rst Reset pin
*/
SSD1351 (uint8_t oc, uint8_t dc, uint8_t rst);
/**
* SSD1351 object destructor
*/
~SSD1351();
/**
* Returns the name of the component
*/
std::string name()
{
return m_name;
}
/**
* Sends a command to an SPI bus
*
* @param value Command
*/
void writeCommand (uint8_t value);
/**
* Sends data to an SPI bus
*
* @param value Data
*/
void writeData (uint8_t value);
/**
* Sends a pixel color (RGB) to the display buffer or chip
*
* @param x Axis on the horizontal scale
* @param y Axis on the vertical scale
* @param color RGB (16-bit) color (R[0-4], G[5-10], B[11-15])
*/
void drawPixel (int16_t x, int16_t y, uint16_t color);
/**
* Copies the buffer to the chip via the SPI bus
*/
void refresh ();
/**
* Set OLED chip select LOW
*/
void ocLow ();
/**
* Set OLED chip select HIGH
*/
void ocHigh ();
/**
* Data select LOW
*/
void dcLow ();
/**
* Data select HIGH
*/
void dcHigh ();
/**
* Use memory mapped (buffered) writes to the display
*
* @param var true for yes (default), false for no
*/
void useMemoryMap (bool var);
private:
mraa::Spi m_spi;
uint8_t m_map[SSD1351HEIGHT * SSD1351WIDTH * 2]; /**< Screen buffer */
bool m_usemap;
mraa::Gpio m_oc;
mraa::Gpio m_dc;
mraa::Gpio m_rst;
std::string m_name;
};
}
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