Adafruit
Adafruit_SSD1306.cpp@5:315de3647c9f, 2014-10-16 (annotated)
- Committer:
- Neal Horman
- Date:
- Thu Oct 16 23:18:25 2014 -0500
- Revision:
- 5:315de3647c9f
- Parent:
- 4:853097cfa773
- Child:
- 6:1be3e3b46eb7
tweak Christians idea.
add Alo?s Wolff's compile time No Splash idea
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
nkhorman | 0:c3dcd4c4983a | 1 | /********************************************************************* |
nkhorman | 0:c3dcd4c4983a | 2 | This is a library for our Monochrome OLEDs based on SSD1306 drivers |
nkhorman | 0:c3dcd4c4983a | 3 | |
nkhorman | 0:c3dcd4c4983a | 4 | Pick one up today in the adafruit shop! |
nkhorman | 0:c3dcd4c4983a | 5 | ------> http://www.adafruit.com/category/63_98 |
nkhorman | 0:c3dcd4c4983a | 6 | |
nkhorman | 0:c3dcd4c4983a | 7 | These displays use SPI to communicate, 4 or 5 pins are required to |
nkhorman | 0:c3dcd4c4983a | 8 | interface |
nkhorman | 0:c3dcd4c4983a | 9 | |
nkhorman | 0:c3dcd4c4983a | 10 | Adafruit invests time and resources providing this open source code, |
nkhorman | 0:c3dcd4c4983a | 11 | please support Adafruit and open-source hardware by purchasing |
nkhorman | 0:c3dcd4c4983a | 12 | products from Adafruit! |
nkhorman | 0:c3dcd4c4983a | 13 | |
nkhorman | 0:c3dcd4c4983a | 14 | Written by Limor Fried/Ladyada for Adafruit Industries. |
nkhorman | 0:c3dcd4c4983a | 15 | BSD license, check license.txt for more information |
nkhorman | 0:c3dcd4c4983a | 16 | All text above, and the splash screen below must be included in any redistribution |
nkhorman | 0:c3dcd4c4983a | 17 | *********************************************************************/ |
nkhorman | 0:c3dcd4c4983a | 18 | |
nkhorman | 0:c3dcd4c4983a | 19 | /* |
nkhorman | 0:c3dcd4c4983a | 20 | * Modified by Neal Horman 7/14/2012 for use in LPC1768 |
nkhorman | 0:c3dcd4c4983a | 21 | */ |
nkhorman | 0:c3dcd4c4983a | 22 | |
nkhorman | 0:c3dcd4c4983a | 23 | #include "mbed.h" |
nkhorman | 0:c3dcd4c4983a | 24 | #include "Adafruit_SSD1306.h" |
nkhorman | 0:c3dcd4c4983a | 25 | |
Neal Horman | 5:315de3647c9f | 26 | #ifndef WITHOUT_SPLASH |
nkhorman | 0:c3dcd4c4983a | 27 | uint8_t splashScreen[SSD1306_LCDHEIGHT * SSD1306_LCDWIDTH / 8] = { |
nkhorman | 0:c3dcd4c4983a | 28 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 29 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 30 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 31 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, |
nkhorman | 0:c3dcd4c4983a | 32 | 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 33 | 0x00, 0x80, 0x80, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 34 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 35 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 36 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 37 | 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xF8, 0xE0, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 38 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, |
nkhorman | 0:c3dcd4c4983a | 39 | 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0xFF, |
nkhorman | 0:c3dcd4c4983a | 40 | 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 41 | 0x80, 0xFF, 0xFF, 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x80, 0x80, |
nkhorman | 0:c3dcd4c4983a | 42 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x8C, 0x8E, 0x84, 0x00, 0x00, 0x80, 0xF8, |
nkhorman | 0:c3dcd4c4983a | 43 | 0xF8, 0xF8, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 44 | 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xE0, 0xE0, 0xC0, 0x80, |
nkhorman | 0:c3dcd4c4983a | 45 | 0x00, 0xE0, 0xFC, 0xFE, 0xFF, 0xFF, 0xFF, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 46 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0xC7, 0x01, 0x01, |
nkhorman | 0:c3dcd4c4983a | 47 | 0x01, 0x01, 0x83, 0xFF, 0xFF, 0x00, 0x00, 0x7C, 0xFE, 0xC7, 0x01, 0x01, 0x01, 0x01, 0x83, 0xFF, |
nkhorman | 0:c3dcd4c4983a | 48 | 0xFF, 0xFF, 0x00, 0x38, 0xFE, 0xC7, 0x83, 0x01, 0x01, 0x01, 0x83, 0xC7, 0xFF, 0xFF, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 49 | 0x01, 0xFF, 0xFF, 0x01, 0x01, 0x00, 0xFF, 0xFF, 0x07, 0x01, 0x01, 0x01, 0x00, 0x00, 0x7F, 0xFF, |
nkhorman | 0:c3dcd4c4983a | 50 | 0x80, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x7F, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x01, 0xFF, |
nkhorman | 0:c3dcd4c4983a | 51 | 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 52 | 0x03, 0x0F, 0x3F, 0x7F, 0x7F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xE7, 0xC7, 0xC7, 0x8F, |
nkhorman | 0:c3dcd4c4983a | 53 | 0x8F, 0x9F, 0xBF, 0xFF, 0xFF, 0xC3, 0xC0, 0xF0, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFC, 0xFC, 0xFC, |
nkhorman | 0:c3dcd4c4983a | 54 | 0xFC, 0xFC, 0xFC, 0xFC, 0xFC, 0xF8, 0xF8, 0xF0, 0xF0, 0xE0, 0xC0, 0x00, 0x01, 0x03, 0x03, 0x03, |
nkhorman | 0:c3dcd4c4983a | 55 | 0x03, 0x03, 0x01, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x01, 0x01, |
nkhorman | 0:c3dcd4c4983a | 56 | 0x03, 0x01, 0x00, 0x00, 0x00, 0x01, 0x03, 0x03, 0x03, 0x03, 0x01, 0x01, 0x03, 0x03, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 57 | 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, |
nkhorman | 0:c3dcd4c4983a | 58 | 0x03, 0x03, 0x03, 0x03, 0x03, 0x01, 0x00, 0x00, 0x00, 0x01, 0x03, 0x01, 0x00, 0x00, 0x00, 0x03, |
nkhorman | 0:c3dcd4c4983a | 59 | 0x03, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 60 | #if (SSD1306_LCDHEIGHT == 64) |
nkhorman | 0:c3dcd4c4983a | 61 | 0x00, 0x00, 0x00, 0x80, 0xC0, 0xE0, 0xF0, 0xF9, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x3F, 0x1F, 0x0F, |
nkhorman | 0:c3dcd4c4983a | 62 | 0x87, 0xC7, 0xF7, 0xFF, 0xFF, 0x1F, 0x1F, 0x3D, 0xFC, 0xF8, 0xF8, 0xF8, 0xF8, 0x7C, 0x7D, 0xFF, |
nkhorman | 0:c3dcd4c4983a | 63 | 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x3F, 0x0F, 0x07, 0x00, 0x30, 0x30, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 64 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 65 | 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 66 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xC0, 0x00, |
nkhorman | 0:c3dcd4c4983a | 67 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 68 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 69 | 0x00, 0xC0, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x7F, 0x7F, 0x3F, 0x1F, |
nkhorman | 0:c3dcd4c4983a | 70 | 0x0F, 0x07, 0x1F, 0x7F, 0xFF, 0xFF, 0xF8, 0xF8, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xF8, 0xE0, |
nkhorman | 0:c3dcd4c4983a | 71 | 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 72 | 0x00, 0xFC, 0xFE, 0xFC, 0x0C, 0x06, 0x06, 0x0E, 0xFC, 0xF8, 0x00, 0x00, 0xF0, 0xF8, 0x1C, 0x0E, |
nkhorman | 0:c3dcd4c4983a | 73 | 0x06, 0x06, 0x06, 0x0C, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 0x00, 0x00, 0xFC, |
nkhorman | 0:c3dcd4c4983a | 74 | 0xFE, 0xFC, 0x00, 0x18, 0x3C, 0x7E, 0x66, 0xE6, 0xCE, 0x84, 0x00, 0x00, 0x06, 0xFF, 0xFF, 0x06, |
nkhorman | 0:c3dcd4c4983a | 75 | 0x06, 0xFC, 0xFE, 0xFC, 0x0C, 0x06, 0x06, 0x06, 0x00, 0x00, 0xFE, 0xFE, 0x00, 0x00, 0xC0, 0xF8, |
nkhorman | 0:c3dcd4c4983a | 76 | 0xFC, 0x4E, 0x46, 0x46, 0x46, 0x4E, 0x7C, 0x78, 0x40, 0x18, 0x3C, 0x76, 0xE6, 0xCE, 0xCC, 0x80, |
nkhorman | 0:c3dcd4c4983a | 77 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 78 | 0x00, 0x00, 0x00, 0x00, 0x01, 0x07, 0x0F, 0x1F, 0x1F, 0x3F, 0x3F, 0x3F, 0x3F, 0x1F, 0x0F, 0x03, |
nkhorman | 0:c3dcd4c4983a | 79 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 80 | 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x03, 0x07, 0x0E, 0x0C, |
nkhorman | 0:c3dcd4c4983a | 81 | 0x18, 0x18, 0x0C, 0x06, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x01, 0x0F, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, |
nkhorman | 0:c3dcd4c4983a | 82 | 0x07, 0x01, 0x00, 0x04, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, |
nkhorman | 0:c3dcd4c4983a | 83 | 0x00, 0x0F, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x0F, 0x00, 0x00, 0x00, 0x07, |
nkhorman | 0:c3dcd4c4983a | 84 | 0x07, 0x0C, 0x0C, 0x18, 0x1C, 0x0C, 0x06, 0x06, 0x00, 0x04, 0x0E, 0x0C, 0x18, 0x0C, 0x0F, 0x07, |
nkhorman | 0:c3dcd4c4983a | 85 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 86 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 87 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 88 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 89 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 90 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 91 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 92 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
nkhorman | 0:c3dcd4c4983a | 93 | #endif |
nkhorman | 0:c3dcd4c4983a | 94 | }; |
Neal Horman | 5:315de3647c9f | 95 | #endif |
nkhorman | 0:c3dcd4c4983a | 96 | |
nkhorman | 0:c3dcd4c4983a | 97 | Adafruit_SSD1306::Adafruit_SSD1306(SPI &spi, PinName DC, PinName RST, PinName CS) |
nkhorman | 0:c3dcd4c4983a | 98 | : Adafruit_GFX(SSD1306_LCDWIDTH, SSD1306_LCDHEIGHT) |
nkhorman | 0:c3dcd4c4983a | 99 | , rst(RST,false), cs(CS,true), dc(DC,false), mspi(spi) |
nkhorman | 0:c3dcd4c4983a | 100 | { |
Neal Horman | 5:315de3647c9f | 101 | #ifndef WITHOUT_SPLASH |
nkhorman | 0:c3dcd4c4983a | 102 | memcpy(buffer,splashScreen,sizeof(buffer)); |
Neal Horman | 5:315de3647c9f | 103 | #endif |
nkhorman | 0:c3dcd4c4983a | 104 | begin(); |
nkhorman | 0:c3dcd4c4983a | 105 | display(); |
nkhorman | 0:c3dcd4c4983a | 106 | }; |
nkhorman | 0:c3dcd4c4983a | 107 | |
nkhorman | 0:c3dcd4c4983a | 108 | void Adafruit_SSD1306::begin(uint8_t vccstate) |
nkhorman | 0:c3dcd4c4983a | 109 | { |
nkhorman | 0:c3dcd4c4983a | 110 | rst = 1; |
nkhorman | 0:c3dcd4c4983a | 111 | // VDD (3.3V) goes high at start, lets just chill for a ms |
nkhorman | 0:c3dcd4c4983a | 112 | wait_ms(1); |
nkhorman | 0:c3dcd4c4983a | 113 | // bring reset low |
nkhorman | 0:c3dcd4c4983a | 114 | rst = 0; |
nkhorman | 0:c3dcd4c4983a | 115 | // wait 10ms |
nkhorman | 0:c3dcd4c4983a | 116 | wait_ms(10); |
nkhorman | 0:c3dcd4c4983a | 117 | // bring out of reset |
nkhorman | 0:c3dcd4c4983a | 118 | rst = 1; |
nkhorman | 0:c3dcd4c4983a | 119 | // turn on VCC (9V?) |
nkhorman | 0:c3dcd4c4983a | 120 | |
nkhorman | 0:c3dcd4c4983a | 121 | #if defined SSD1306_128_32 |
Neal Horman | 5:315de3647c9f | 122 | #define VAL_MULTIPLEX 0x1F |
Neal Horman | 5:315de3647c9f | 123 | #define VAL_COMPINS 0x02 |
Neal Horman | 5:315de3647c9f | 124 | #define VAL_CONTRAST 0x8F |
chrta | 4:853097cfa773 | 125 | #elif defined SSD1306_128_64 |
Neal Horman | 5:315de3647c9f | 126 | #define VAL_MULTIPLEX 0x3F |
Neal Horman | 5:315de3647c9f | 127 | #define VAL_COMPINS 0x12 |
Neal Horman | 5:315de3647c9f | 128 | #define VAL_CONTRAST ((vccstate == SSD1306_EXTERNALVCC) ? 0x9F : 0xCF) |
chrta | 4:853097cfa773 | 129 | #else |
chrta | 4:853097cfa773 | 130 | #error "Display dimensions must be defined" |
chrta | 4:853097cfa773 | 131 | #endif |
chrta | 4:853097cfa773 | 132 | |
nkhorman | 0:c3dcd4c4983a | 133 | ssd1306_command(SSD1306_DISPLAYOFF); // 0xAE |
nkhorman | 0:c3dcd4c4983a | 134 | ssd1306_command(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5 |
nkhorman | 0:c3dcd4c4983a | 135 | ssd1306_command(0x80); // the suggested ratio 0x80 |
nkhorman | 0:c3dcd4c4983a | 136 | ssd1306_command(SSD1306_SETMULTIPLEX); // 0xA8 |
Neal Horman | 5:315de3647c9f | 137 | ssd1306_command(VAL_MULTIPLEX); |
nkhorman | 0:c3dcd4c4983a | 138 | ssd1306_command(SSD1306_SETDISPLAYOFFSET); // 0xD3 |
nkhorman | 0:c3dcd4c4983a | 139 | ssd1306_command(0x0); // no offset |
nkhorman | 0:c3dcd4c4983a | 140 | ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 |
nkhorman | 0:c3dcd4c4983a | 141 | ssd1306_command(SSD1306_CHARGEPUMP); // 0x8D |
Neal Horman | 5:315de3647c9f | 142 | ssd1306_command((vccstate == SSD1306_EXTERNALVCC) ? 0x10 : 0x14); |
nkhorman | 0:c3dcd4c4983a | 143 | ssd1306_command(SSD1306_MEMORYMODE); // 0x20 |
nkhorman | 0:c3dcd4c4983a | 144 | ssd1306_command(0x00); // 0x0 act like ks0108 |
nkhorman | 0:c3dcd4c4983a | 145 | ssd1306_command(SSD1306_SEGREMAP | 0x1); |
nkhorman | 0:c3dcd4c4983a | 146 | ssd1306_command(SSD1306_COMSCANDEC); |
nkhorman | 0:c3dcd4c4983a | 147 | ssd1306_command(SSD1306_SETCOMPINS); // 0xDA |
Neal Horman | 5:315de3647c9f | 148 | ssd1306_command(VAL_COMPINS); |
nkhorman | 0:c3dcd4c4983a | 149 | ssd1306_command(SSD1306_SETCONTRAST); // 0x81 |
Neal Horman | 5:315de3647c9f | 150 | ssd1306_command(VAL_CONTRAST); |
nkhorman | 0:c3dcd4c4983a | 151 | ssd1306_command(SSD1306_SETPRECHARGE); // 0xd9 |
Neal Horman | 5:315de3647c9f | 152 | ssd1306_command((vccstate == SSD1306_EXTERNALVCC) ? 0x22 : 0xF1); |
nkhorman | 0:c3dcd4c4983a | 153 | ssd1306_command(SSD1306_SETVCOMDETECT); // 0xDB |
nkhorman | 0:c3dcd4c4983a | 154 | ssd1306_command(0x40); |
nkhorman | 0:c3dcd4c4983a | 155 | ssd1306_command(SSD1306_DISPLAYALLON_RESUME); // 0xA4 |
nkhorman | 0:c3dcd4c4983a | 156 | ssd1306_command(SSD1306_NORMALDISPLAY); // 0xA6 |
nkhorman | 0:c3dcd4c4983a | 157 | |
nkhorman | 0:c3dcd4c4983a | 158 | ssd1306_command(SSD1306_DISPLAYON);//--turn on oled panel |
nkhorman | 0:c3dcd4c4983a | 159 | } |
nkhorman | 0:c3dcd4c4983a | 160 | |
nkhorman | 0:c3dcd4c4983a | 161 | // the most basic function, set a single pixel |
nkhorman | 0:c3dcd4c4983a | 162 | void Adafruit_SSD1306::drawPixel(int16_t x, int16_t y, uint16_t color) |
nkhorman | 0:c3dcd4c4983a | 163 | { |
nkhorman | 0:c3dcd4c4983a | 164 | if ((x < 0) || (x >= width()) || (y < 0) || (y >= height())) |
nkhorman | 0:c3dcd4c4983a | 165 | return; |
nkhorman | 0:c3dcd4c4983a | 166 | |
nkhorman | 0:c3dcd4c4983a | 167 | // check rotation, move pixel around if necessary |
nkhorman | 0:c3dcd4c4983a | 168 | switch (getRotation()) |
nkhorman | 0:c3dcd4c4983a | 169 | { |
nkhorman | 0:c3dcd4c4983a | 170 | case 1: |
nkhorman | 0:c3dcd4c4983a | 171 | swap(x, y); |
nkhorman | 0:c3dcd4c4983a | 172 | x = _rawWidth - x - 1; |
nkhorman | 0:c3dcd4c4983a | 173 | break; |
nkhorman | 0:c3dcd4c4983a | 174 | case 2: |
nkhorman | 0:c3dcd4c4983a | 175 | x = _rawWidth - x - 1; |
nkhorman | 0:c3dcd4c4983a | 176 | y = _rawHeight - y - 1; |
nkhorman | 0:c3dcd4c4983a | 177 | break; |
nkhorman | 0:c3dcd4c4983a | 178 | case 3: |
nkhorman | 0:c3dcd4c4983a | 179 | swap(x, y); |
nkhorman | 0:c3dcd4c4983a | 180 | y = _rawHeight - y - 1; |
nkhorman | 0:c3dcd4c4983a | 181 | break; |
nkhorman | 0:c3dcd4c4983a | 182 | } |
nkhorman | 0:c3dcd4c4983a | 183 | |
nkhorman | 0:c3dcd4c4983a | 184 | // x is which column |
nkhorman | 0:c3dcd4c4983a | 185 | if (color == WHITE) |
nkhorman | 0:c3dcd4c4983a | 186 | buffer[x+ (y/8)*SSD1306_LCDWIDTH] |= _BV((y%8)); |
nkhorman | 0:c3dcd4c4983a | 187 | else |
nkhorman | 0:c3dcd4c4983a | 188 | buffer[x+ (y/8)*SSD1306_LCDWIDTH] &= ~_BV((y%8)); |
nkhorman | 0:c3dcd4c4983a | 189 | } |
nkhorman | 0:c3dcd4c4983a | 190 | |
nkhorman | 0:c3dcd4c4983a | 191 | void Adafruit_SSD1306::invertDisplay(bool i) |
nkhorman | 0:c3dcd4c4983a | 192 | { |
nkhorman | 0:c3dcd4c4983a | 193 | if (i) |
nkhorman | 0:c3dcd4c4983a | 194 | ssd1306_command(SSD1306_INVERTDISPLAY); |
nkhorman | 0:c3dcd4c4983a | 195 | else |
nkhorman | 0:c3dcd4c4983a | 196 | ssd1306_command(SSD1306_NORMALDISPLAY); |
nkhorman | 0:c3dcd4c4983a | 197 | } |
nkhorman | 0:c3dcd4c4983a | 198 | |
nkhorman | 0:c3dcd4c4983a | 199 | void Adafruit_SSD1306::ssd1306_command(uint8_t c) |
nkhorman | 0:c3dcd4c4983a | 200 | { |
nkhorman | 0:c3dcd4c4983a | 201 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 202 | dc = 0; |
nkhorman | 0:c3dcd4c4983a | 203 | cs = 0; |
nkhorman | 0:c3dcd4c4983a | 204 | mspi.write(c); |
nkhorman | 0:c3dcd4c4983a | 205 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 206 | } |
nkhorman | 0:c3dcd4c4983a | 207 | |
nkhorman | 0:c3dcd4c4983a | 208 | void Adafruit_SSD1306::ssd1306_data(uint8_t c) |
nkhorman | 0:c3dcd4c4983a | 209 | { |
nkhorman | 0:c3dcd4c4983a | 210 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 211 | dc = 1; |
nkhorman | 0:c3dcd4c4983a | 212 | cs = 0; |
nkhorman | 0:c3dcd4c4983a | 213 | mspi.write(c); |
nkhorman | 0:c3dcd4c4983a | 214 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 215 | } |
nkhorman | 0:c3dcd4c4983a | 216 | |
nkhorman | 0:c3dcd4c4983a | 217 | void Adafruit_SSD1306::display(void) |
nkhorman | 0:c3dcd4c4983a | 218 | { |
nkhorman | 0:c3dcd4c4983a | 219 | ssd1306_command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0 |
nkhorman | 0:c3dcd4c4983a | 220 | ssd1306_command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0 |
nkhorman | 0:c3dcd4c4983a | 221 | ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 |
nkhorman | 0:c3dcd4c4983a | 222 | |
nkhorman | 0:c3dcd4c4983a | 223 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 224 | dc = 1; |
nkhorman | 0:c3dcd4c4983a | 225 | cs = 0; |
nkhorman | 0:c3dcd4c4983a | 226 | |
nkhorman | 0:c3dcd4c4983a | 227 | for (uint16_t i=0; i<(SSD1306_LCDWIDTH*SSD1306_LCDHEIGHT/8); i++) |
nkhorman | 0:c3dcd4c4983a | 228 | mspi.write(buffer[i]); |
nkhorman | 0:c3dcd4c4983a | 229 | |
nkhorman | 0:c3dcd4c4983a | 230 | // i wonder why we have to do this (check datasheet) |
nkhorman | 0:c3dcd4c4983a | 231 | if (SSD1306_LCDHEIGHT == 32) |
nkhorman | 0:c3dcd4c4983a | 232 | { |
nkhorman | 0:c3dcd4c4983a | 233 | for (uint16_t i=0; i<(SSD1306_LCDWIDTH*SSD1306_LCDHEIGHT/8); i++) |
nkhorman | 0:c3dcd4c4983a | 234 | mspi.write(0); |
nkhorman | 0:c3dcd4c4983a | 235 | } |
nkhorman | 0:c3dcd4c4983a | 236 | |
nkhorman | 0:c3dcd4c4983a | 237 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 238 | } |
nkhorman | 0:c3dcd4c4983a | 239 | |
nkhorman | 0:c3dcd4c4983a | 240 | // clear everything |
nkhorman | 0:c3dcd4c4983a | 241 | void Adafruit_SSD1306::clearDisplay(void) |
nkhorman | 0:c3dcd4c4983a | 242 | { |
nkhorman | 0:c3dcd4c4983a | 243 | memset(buffer,0,sizeof(buffer)); |
nkhorman | 0:c3dcd4c4983a | 244 | } |