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‎Adafruit_SSD1325.cpp‎

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/*********************************************************************
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This is a library for our Monochrome OLEDs based on SSD1325 drivers
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Pick one up today in the adafruit shop!
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------> http://www.adafruit.com/category/63_98
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These displays use SPI to communicate, 4 or 5 pins are required to
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interface
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Adafruit invests time and resources providing this open source code,
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please support Adafruit and open-source hardware by purchasing
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products from Adafruit!
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Written by Limor Fried/Ladyada for Adafruit Industries.
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BSD license, check license.txt for more information
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All text above, and the splash screen below must be included in any redistribution
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*********************************************************************/
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//#include <Wire.h>
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#include <avr/pgmspace.h>
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#include <util/delay.h>
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#include <stdlib.h>
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#include "Adafruit_GFX.h"
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#include "Adafruit_SSD1325.h"
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#include "glcdfont.c"
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// a 5x7 font table
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extern uint8_t PROGMEM font[];
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// the memory buffer for the LCD
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static uint8_t buffer[SSD1325_LCDHEIGHT * SSD1325_LCDWIDTH / 8] = {
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
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0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x80, 0x80, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
43+
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
44+
0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xF8, 0xE0, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80,
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0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0xFF,
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0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00,
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0x80, 0xFF, 0xFF, 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x80, 0x80,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x8C, 0x8E, 0x84, 0x00, 0x00, 0x80, 0xF8,
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0xF8, 0xF8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xE0, 0xE0, 0xC0, 0x80,
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0x00, 0xE0, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xC7, 0x01, 0x01,
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0x01, 0x01, 0x83, 0xFF, 0xFF, 0x00, 0x00, 0x7C, 0xFE, 0xC7, 0x01, 0x01, 0x01, 0x01, 0x83, 0xFF,
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0xFF, 0xFF, 0x00, 0x38, 0xFE, 0xC7, 0x83, 0x01, 0x01, 0x01, 0x83, 0xC7, 0xFF, 0xFF, 0x00, 0x00,
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0x01, 0xFF, 0xFF, 0x01, 0x01, 0x00, 0xFF, 0xFF, 0x07, 0x01, 0x01, 0x01, 0x00, 0x00, 0x7F, 0xFF,
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0x80, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xFF,
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0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x03, 0x0F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xC7, 0xC7, 0x8F,
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0x8F, 0x9F, 0xBF, 0xFF, 0xFF, 0xC3, 0xC0, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFC, 0xFC,
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0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xF8, 0xF8, 0xF0, 0xF0, 0xE0, 0xC0, 0x00, 0x01, 0x03, 0x03, 0x03,
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0x03, 0x03, 0x01, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x01, 0x01,
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0x03, 0x01, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x01, 0x01, 0x03, 0x03, 0x00, 0x00,
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0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
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0x03, 0x03, 0x03, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x01, 0x03, 0x01, 0x00, 0x00, 0x00, 0x03,
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0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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#if (SSD1325_LCDHEIGHT == 64)
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0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x1F, 0x0F,
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0x87, 0xC7, 0xF7, 0xFF, 0xFF, 0x1F, 0x1F, 0x3D, 0xFC, 0xF8, 0xF8, 0xF8, 0xF8, 0x7C, 0x7D, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x3F, 0x0F, 0x07, 0x00, 0x30, 0x30, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xC0, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0xC0, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x7F, 0x3F, 0x1F,
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0x0F, 0x07, 0x1F, 0x7F, 0xFF, 0xFF, 0xF8, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xF8, 0xE0,
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0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00,
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0x00, 0xFC, 0xFE, 0xFC, 0x0C, 0x06, 0x06, 0x0E, 0xFC, 0xF8, 0x00, 0x00, 0xF0, 0xF8, 0x1C, 0x0E,
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0x06, 0x06, 0x06, 0x0C, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0xFC,
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0xFE, 0xFC, 0x00, 0x18, 0x3C, 0x7E, 0x66, 0xE6, 0xCE, 0x84, 0x00, 0x00, 0x06, 0xFF, 0xFF, 0x06,
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0x06, 0xFC, 0xFE, 0xFC, 0x0C, 0x06, 0x06, 0x06, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 0xC0, 0xF8,
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0xFC, 0x4E, 0x46, 0x46, 0x46, 0x4E, 0x7C, 0x78, 0x40, 0x18, 0x3C, 0x76, 0xE6, 0xCE, 0xCC, 0x80,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x01, 0x07, 0x0F, 0x1F, 0x1F, 0x3F, 0x3F, 0x3F, 0x3F, 0x1F, 0x0F, 0x03,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00,
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0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x03, 0x07, 0x0E, 0x0C,
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0x18, 0x18, 0x0C, 0x06, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0x0F, 0x0E, 0x0C, 0x18, 0x0C, 0x0F,
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0x07, 0x01, 0x00, 0x04, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00,
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0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x07,
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0x07, 0x0C, 0x0C, 0x18, 0x1C, 0x0C, 0x06, 0x06, 0x00, 0x04, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 0x07,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
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#endif
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};
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// the most basic function, set a single pixel
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void Adafruit_SSD1325::drawPixel(uint16_t x, uint16_t y, uint16_t color) {
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if ((x >= width()) || (y >= height()))
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return;
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// check rotation, move pixel around if necessary
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switch (getRotation()) {
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case 1:
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swap(x, y);
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x = WIDTH - x - 1;
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break;
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case 2:
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x = WIDTH - x - 1;
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y = HEIGHT - y - 1;
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break;
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case 3:
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swap(x, y);
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y = HEIGHT - y - 1;
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break;
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}
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// x is which column
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if (color == WHITE)
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buffer[x+ (y/8)*SSD1325_LCDWIDTH] |= _BV((y%8));
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else
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buffer[x+ (y/8)*SSD1325_LCDWIDTH] &= ~_BV((y%8));
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}
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void Adafruit_SSD1325::begin(void) {
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constructor(128, 64);
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// set pin directions
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pinMode(sid, OUTPUT);
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pinMode(sclk, OUTPUT);
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pinMode(dc, OUTPUT);
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pinMode(rst, OUTPUT);
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pinMode(cs, OUTPUT);
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clkport = portOutputRegister(digitalPinToPort(sclk));
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clkpinmask = digitalPinToBitMask(sclk);
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mosiport = portOutputRegister(digitalPinToPort(sid));
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mosipinmask = digitalPinToBitMask(sid);
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csport = portOutputRegister(digitalPinToPort(cs));
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cspinmask = digitalPinToBitMask(cs);
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dcport = portOutputRegister(digitalPinToPort(dc));
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dcpinmask = digitalPinToBitMask(dc);
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digitalWrite(rst, HIGH);
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// VDD (3.3V) goes high at start, lets just chill for a ms
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delay(1);
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// bring reset low
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digitalWrite(rst, LOW);
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// wait 10ms
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delay(10);
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// bring out of reset
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digitalWrite(rst, HIGH);
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command(SSD1325_DISPLAYOFF); /* display off */
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command(SSD1325_SETCLOCK); /* set osc division */
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command(0x91); /*145 */
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command(SSD1325_SETMULTIPLEX ); /* multiplex ratio */
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command(0x3f); /* duty = 1/64 */
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command( SSD1325_SETOFFSET); /* set display offset --- */
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command(0x4C); /* 76 */
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command(SSD1325_SETSTARTLINE); /*set start line */
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command(0x00); /* ------ */
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command(SSD1325_MASTERCONFIG); /*Set Master Config DC/DC Converter*/
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command(0x02);
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command(SSD1325_SETREMAP); /* set segment remap------ */
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command(0x56);
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//command(0x52);
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command(SSD1325_SETCURRENT + 0x2); /* Set Full Current Range */
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command(SSD1325_SETGRAYTABLE);
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command(0x01);
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command(0x11);
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command(0x22);
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command(0x32);
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command(0x43);
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command(0x54);
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command(0x65);
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command(0x76);
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command(SSD1325_SETCONTRAST); /* set contrast current */
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command(0x7F);
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command(SSD1325_SETROWPERIOD);
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command(0x51);
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command(SSD1325_SETPHASELEN);
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command(0x55);
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command(SSD1325_SETPRECHARGECOMP);
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command(0x02);
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command(SSD1325_SETPRECHARGECOMPENABLE);
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command(0x28);
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command(SSD1325_SETVCOMLEVEL); /* Set High Voltage Level of COM Pin */
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command(0x1C); //?
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command(SSD1325_SETVSL); /*set Low Voltage Level of SEG Pin */
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command(0x0D|0x02);
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command(SSD1325_DISPLAYALLON);
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delay(200);
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command(SSD1325_NORMALDISPLAY); /* set display mode */
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/* Clear Screen */
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// command(0x23); /*set graphic acceleration commmand */
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// command(SSD1325_GFXACCEL);
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// command(SSD1325_DRAWRECT); /* draw rectangle */
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// command(0x00); /* Gray Scale Level 1 */
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// command(0x00); /* Gray Scale Level 3 & 2 */
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// command(0x3f); /* Gray Scale Level 3 & 2 */
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// command(0x3f); /* Gray Scale Level 3 & 2 */
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// command(0x00); /* Gray Scale Level 3 & 2 */
214+
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command(SSD1325_DISPLAYON); /* display ON */
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}
217+
218+
void Adafruit_SSD1325::invertDisplay(uint8_t i) {
219+
if (i) {
220+
command(SSD1325_INVERTDISPLAY);
221+
} else {
222+
command(SSD1325_NORMALDISPLAY);
223+
}
224+
}
225+
226+
void Adafruit_SSD1325::command(uint8_t c) {
227+
//digitalWrite(cs, HIGH);
228+
*csport |= cspinmask;
229+
//digitalWrite(dc, LOW);
230+
*dcport &= ~dcpinmask;
231+
//digitalWrite(cs, LOW);
232+
*csport &= ~cspinmask;
233+
fastSPIwrite(c);
234+
//digitalWrite(cs, HIGH);
235+
*csport |= cspinmask;
236+
}
237+
238+
void Adafruit_SSD1325::data(uint8_t c) {
239+
//digitalWrite(cs, HIGH);
240+
*csport |= cspinmask;
241+
//digitalWrite(dc, HIGH);
242+
*dcport |= dcpinmask;
243+
//digitalWrite(cs, LOW);
244+
*csport &= ~cspinmask;
245+
fastSPIwrite(c);
246+
//digitalWrite(cs, HIGH);
247+
*csport |= cspinmask;
248+
}
249+
250+
void Adafruit_SSD1325::display(void) {
251+
252+
command(0x15); /* set column address */
253+
command(0x00); /* set column start address */
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command(0x3f); /* set column end address */
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command(0x75); /* set row address */
256+
command(0x00); /* set row start address */
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command(0x3f); /* set row end address */
258+
uint8_t foo=0;
259+
260+
for (uint8_t x=0; x<128; x+=2) {
261+
uint8_t foo = x;
262+
for (uint8_t y=0; y<64; y+=8) { // we write 8 pixels at once
263+
uint8_t d = 0;
264+
uint8_t left8 = buffer[y*8+x];
265+
uint8_t right8 = buffer[y*8+x+1];
266+
for (uint8_t p=0; p<8; p++) {
267+
uint8_t d = 0;
268+
if (left8 & (1 << p)) d |= 0xF0;
269+
if (right8 & (1 << p)) d |= 0x0F;
270+
data(d);
271+
}
272+
}
273+
}
274+
return;
275+
276+
for(uint8_t x=0; x<128; x+=2)
277+
{
278+
foo++;
279+
for (uint8_t y=0; y<16; y++) {
280+
uint8_t d = 0;
281+
uint8_t left8 = buffer[y*64+x];
282+
uint8_t right8 = buffer[y*64+x+1];
283+
left8 = 0;
284+
right8 = foo;
285+
for (uint8_t p=0; p<8; p++) {
286+
uint8_t d = 0;
287+
if (left8 & (1 << p)) d |= 0xF0;
288+
if (right8 & (1 << p)) d |= 0x0F;
289+
data(d);
290+
}
291+
}
292+
}
293+
}
294+
295+
// clear everything
296+
void Adafruit_SSD1325::clearDisplay(void) {
297+
memset(buffer, 0, (SSD1325_LCDWIDTH*SSD1325_LCDHEIGHT/8));
298+
}
299+
300+
301+
inline void Adafruit_SSD1325::fastSPIwrite(uint8_t d) {
302+
303+
for(uint8_t bit = 0x80; bit; bit >>= 1) {
304+
*clkport &= ~clkpinmask;
305+
if(d & bit) *mosiport |= mosipinmask;
306+
else *mosiport &= ~mosipinmask;
307+
*clkport |= clkpinmask;
308+
}
309+
//*csport |= cspinmask;
310+
}
311+
312+
inline void Adafruit_SSD1325::slowSPIwrite(uint8_t d) {
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for (int8_t i=7; i>=0; i--) {
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digitalWrite(sclk, LOW);
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if (d & _BV(i)) {
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digitalWrite(sid, HIGH);
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} else {
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digitalWrite(sid, LOW);
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}
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digitalWrite(sclk, HIGH);
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}
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}
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