Updated
Adafruit_SSD1306.cpp@4:f79c4a74f266, 2014-08-26 (annotated)
- Committer:
- DrCoyle
- Date:
- Tue Aug 26 13:19:39 2014 +0000
- Revision:
- 4:f79c4a74f266
- Parent:
- 0:c3dcd4c4983a
- Child:
- 5:c3e0f8165538
Slight modification to original library to allow highlighting of text
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 | |
nkhorman | 0:c3dcd4c4983a | 26 | uint8_t splashScreen[SSD1306_LCDHEIGHT * SSD1306_LCDWIDTH / 8] = { |
nkhorman | 0:c3dcd4c4983a | 27 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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, |
DrCoyle | 4:f79c4a74f266 | 30 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 31 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 32 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 33 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 34 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 35 | 0x00, 0x00, 0x00, 0x00, 0x60, 0xC0, 0x98, 0x70, 0xE6, 0x9C, 0x78, 0xE7, 0x8E, 0x38, 0xF0, 0xC0, |
DrCoyle | 4:f79c4a74f266 | 36 | 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 37 | 0x00, 0x00, 0x00, 0x80, 0xC0, 0x20, 0xC0, 0x60, 0xB0, 0xD8, 0x68, 0x34, 0xB0, 0xC8, 0x64, 0xB2, |
DrCoyle | 4:f79c4a74f266 | 38 | 0xD8, 0x68, 0x24, 0x14, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 39 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 40 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 41 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 42 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 43 | 0x00, 0x00, 0x00, 0x12, 0x24, 0x4C, 0x9B, 0xB6, 0x6C, 0x5B, 0xB2, 0xAC, 0x59, 0xD3, 0xA4, 0x49, |
DrCoyle | 4:f79c4a74f266 | 44 | 0xD3, 0xA6, 0x6C, 0x58, 0xB0, 0x60, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0x10, |
DrCoyle | 4:f79c4a74f266 | 45 | 0xE0, 0x38, 0xC6, 0x39, 0xCE, 0x7B, 0x1C, 0x46, 0x63, 0x39, 0x0E, 0x17, 0x0B, 0x06, 0x03, 0x01, |
DrCoyle | 4:f79c4a74f266 | 46 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xF0, 0x10, 0x10, 0x18, 0x10, |
DrCoyle | 4:f79c4a74f266 | 47 | 0x10, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x40, 0xC0, 0x00, |
DrCoyle | 4:f79c4a74f266 | 48 | 0x00, 0x00, 0xC0, 0x40, 0x00, 0x00, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x80, 0xC0, 0xC0, 0x80, 0x80, |
DrCoyle | 4:f79c4a74f266 | 49 | 0x00, 0x00, 0x00, 0xF8, 0xF8, 0x98, 0x98, 0x98, 0xF0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, |
DrCoyle | 4:f79c4a74f266 | 50 | 0xC0, 0x80, 0x80, 0x00, 0x00, 0x00, 0xC0, 0xF0, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 51 | 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x04, 0x05, 0x0B, 0xAA, 0x36, 0x57, 0x46, 0x4F, 0xCD, |
DrCoyle | 4:f79c4a74f266 | 52 | 0x2A, 0x1A, 0x55, 0xD5, 0xCA, 0xAA, 0xA1, 0x8C, 0xB0, 0xC0, 0x80, 0xF8, 0x00, 0xFF, 0xF0, 0xFE, |
DrCoyle | 4:f79c4a74f266 | 53 | 0x81, 0x0E, 0xF3, 0xCC, 0x32, 0x04, 0x58, 0x22, 0x18, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 54 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x0F, 0x08, 0x08, 0x18, 0x08, |
DrCoyle | 4:f79c4a74f266 | 55 | 0x0C, 0x04, 0x00, 0x00, 0x02, 0x0F, 0x08, 0x18, 0x08, 0x0F, 0x07, 0x00, 0x00, 0x40, 0xC3, 0x4E, |
DrCoyle | 4:f79c4a74f266 | 56 | 0x78, 0x0E, 0x03, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x07, 0x0A, 0x1A, 0x1A, 0x0A, 0x0B, |
DrCoyle | 4:f79c4a74f266 | 57 | 0x02, 0x00, 0x00, 0x1F, 0x1F, 0x19, 0x19, 0x19, 0x09, 0x0F, 0x06, 0x00, 0x00, 0x07, 0x0F, 0x08, |
DrCoyle | 4:f79c4a74f266 | 58 | 0x18, 0x08, 0x0F, 0x07, 0x00, 0x00, 0x00, 0x0F, 0x18, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 59 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x07, 0x03, 0x0A, |
DrCoyle | 4:f79c4a74f266 | 60 | 0x2A, 0x2A, 0x2A, 0xE1, 0xE0, 0x4A, 0x4A, 0x2B, 0x29, 0x68, 0x69, 0x6A, 0xD4, 0x8B, 0x93, 0x27, |
DrCoyle | 4:f79c4a74f266 | 61 | 0xFF, 0xE0, 0xEB, 0xF5, 0xF2, 0xF1, 0xF0, 0xF8, 0xFC, 0xFC, 0xFC, 0x78, 0x7E, 0x2E, 0x28, 0x18, |
DrCoyle | 4:f79c4a74f266 | 62 | 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 63 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE0, 0xE0, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 64 | 0x00, 0xC0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 65 | 0x00, 0x00, 0x00, 0x80, 0xC0, 0x60, 0x60, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 66 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 67 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xE0, |
DrCoyle | 4:f79c4a74f266 | 68 | 0xE0, 0xE1, 0xF1, 0xF1, 0xF5, 0xFD, 0xFB, 0xFA, 0xFA, 0x7C, 0xFC, 0xF8, 0xFA, 0xFD, 0xFD, 0xFE, |
DrCoyle | 4:f79c4a74f266 | 69 | 0xFF, 0xFF, 0x3F, 0xFF, 0xFF, 0xFF, 0xFF, 0xE3, 0xC1, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 70 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 71 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x1F, 0x70, 0x70, |
DrCoyle | 4:f79c4a74f266 | 72 | 0x3E, 0x07, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x70, |
DrCoyle | 4:f79c4a74f266 | 73 | 0x00, 0x00, 0x00, 0x1F, 0x30, 0x60, 0x60, 0x20, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 74 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 75 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x02, 0x02, 0x02, 0x02, 0x0B, 0x0B, 0x0F, 0x17, |
DrCoyle | 4:f79c4a74f266 | 76 | 0x1F, 0x0F, 0x1F, 0x1F, 0x0F, 0x1F, 0x1F, 0x07, 0x0F, 0x08, 0x00, 0x00, 0x03, 0x07, 0x07, 0x0F, |
DrCoyle | 4:f79c4a74f266 | 77 | 0x0F, 0x0F, 0x0E, 0x7D, 0xAB, 0x8D, 0x1D, 0x15, 0x01, 0x03, 0x03, 0x03, 0x0F, 0x48, 0x3C, 0x8C, |
DrCoyle | 4:f79c4a74f266 | 78 | 0x0C, 0x1C, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 79 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 80 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 81 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
DrCoyle | 4:f79c4a74f266 | 82 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 83 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
nkhorman | 0:c3dcd4c4983a | 84 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
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 | }; |
nkhorman | 0:c3dcd4c4983a | 92 | |
nkhorman | 0:c3dcd4c4983a | 93 | Adafruit_SSD1306::Adafruit_SSD1306(SPI &spi, PinName DC, PinName RST, PinName CS) |
nkhorman | 0:c3dcd4c4983a | 94 | : Adafruit_GFX(SSD1306_LCDWIDTH, SSD1306_LCDHEIGHT) |
nkhorman | 0:c3dcd4c4983a | 95 | , rst(RST,false), cs(CS,true), dc(DC,false), mspi(spi) |
nkhorman | 0:c3dcd4c4983a | 96 | { |
nkhorman | 0:c3dcd4c4983a | 97 | memcpy(buffer,splashScreen,sizeof(buffer)); |
nkhorman | 0:c3dcd4c4983a | 98 | begin(); |
nkhorman | 0:c3dcd4c4983a | 99 | display(); |
nkhorman | 0:c3dcd4c4983a | 100 | }; |
nkhorman | 0:c3dcd4c4983a | 101 | |
nkhorman | 0:c3dcd4c4983a | 102 | void Adafruit_SSD1306::begin(uint8_t vccstate) |
nkhorman | 0:c3dcd4c4983a | 103 | { |
nkhorman | 0:c3dcd4c4983a | 104 | rst = 1; |
nkhorman | 0:c3dcd4c4983a | 105 | // VDD (3.3V) goes high at start, lets just chill for a ms |
nkhorman | 0:c3dcd4c4983a | 106 | wait_ms(1); |
nkhorman | 0:c3dcd4c4983a | 107 | // bring reset low |
nkhorman | 0:c3dcd4c4983a | 108 | rst = 0; |
nkhorman | 0:c3dcd4c4983a | 109 | // wait 10ms |
nkhorman | 0:c3dcd4c4983a | 110 | wait_ms(10); |
nkhorman | 0:c3dcd4c4983a | 111 | // bring out of reset |
nkhorman | 0:c3dcd4c4983a | 112 | rst = 1; |
nkhorman | 0:c3dcd4c4983a | 113 | // turn on VCC (9V?) |
nkhorman | 0:c3dcd4c4983a | 114 | |
DrCoyle | 4:f79c4a74f266 | 115 | /*#if defined SSD1306_128_32 |
nkhorman | 0:c3dcd4c4983a | 116 | // Init sequence for 128x32 OLED module |
nkhorman | 0:c3dcd4c4983a | 117 | ssd1306_command(SSD1306_DISPLAYOFF); // 0xAE |
nkhorman | 0:c3dcd4c4983a | 118 | ssd1306_command(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5 |
nkhorman | 0:c3dcd4c4983a | 119 | ssd1306_command(0x80); // the suggested ratio 0x80 |
nkhorman | 0:c3dcd4c4983a | 120 | ssd1306_command(SSD1306_SETMULTIPLEX); // 0xA8 |
nkhorman | 0:c3dcd4c4983a | 121 | ssd1306_command(0x1F); |
nkhorman | 0:c3dcd4c4983a | 122 | ssd1306_command(SSD1306_SETDISPLAYOFFSET); // 0xD3 |
nkhorman | 0:c3dcd4c4983a | 123 | ssd1306_command(0x0); // no offset |
nkhorman | 0:c3dcd4c4983a | 124 | ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 |
nkhorman | 0:c3dcd4c4983a | 125 | ssd1306_command(SSD1306_CHARGEPUMP); // 0x8D |
nkhorman | 0:c3dcd4c4983a | 126 | if (vccstate == SSD1306_EXTERNALVCC) |
nkhorman | 0:c3dcd4c4983a | 127 | { ssd1306_command(0x10); } |
nkhorman | 0:c3dcd4c4983a | 128 | else |
nkhorman | 0:c3dcd4c4983a | 129 | { ssd1306_command(0x14); } |
nkhorman | 0:c3dcd4c4983a | 130 | ssd1306_command(SSD1306_MEMORYMODE); // 0x20 |
nkhorman | 0:c3dcd4c4983a | 131 | ssd1306_command(0x00); // 0x0 act like ks0108 |
nkhorman | 0:c3dcd4c4983a | 132 | ssd1306_command(SSD1306_SEGREMAP | 0x1); |
nkhorman | 0:c3dcd4c4983a | 133 | ssd1306_command(SSD1306_COMSCANDEC); |
nkhorman | 0:c3dcd4c4983a | 134 | ssd1306_command(SSD1306_SETCOMPINS); // 0xDA |
nkhorman | 0:c3dcd4c4983a | 135 | ssd1306_command(0x02); |
nkhorman | 0:c3dcd4c4983a | 136 | ssd1306_command(SSD1306_SETCONTRAST); // 0x81 |
nkhorman | 0:c3dcd4c4983a | 137 | ssd1306_command(0x8F); |
nkhorman | 0:c3dcd4c4983a | 138 | ssd1306_command(SSD1306_SETPRECHARGE); // 0xd9 |
nkhorman | 0:c3dcd4c4983a | 139 | if (vccstate == SSD1306_EXTERNALVCC) |
nkhorman | 0:c3dcd4c4983a | 140 | { ssd1306_command(0x22); } |
nkhorman | 0:c3dcd4c4983a | 141 | else |
nkhorman | 0:c3dcd4c4983a | 142 | { ssd1306_command(0xF1); } |
nkhorman | 0:c3dcd4c4983a | 143 | ssd1306_command(SSD1306_SETVCOMDETECT); // 0xDB |
nkhorman | 0:c3dcd4c4983a | 144 | ssd1306_command(0x40); |
nkhorman | 0:c3dcd4c4983a | 145 | ssd1306_command(SSD1306_DISPLAYALLON_RESUME); // 0xA4 |
nkhorman | 0:c3dcd4c4983a | 146 | ssd1306_command(SSD1306_NORMALDISPLAY); // 0xA6 |
DrCoyle | 4:f79c4a74f266 | 147 | #endif*/ |
nkhorman | 0:c3dcd4c4983a | 148 | |
nkhorman | 0:c3dcd4c4983a | 149 | #if defined SSD1306_128_64 |
nkhorman | 0:c3dcd4c4983a | 150 | // Init sequence for 128x64 OLED module |
nkhorman | 0:c3dcd4c4983a | 151 | ssd1306_command(SSD1306_DISPLAYOFF); // 0xAE |
nkhorman | 0:c3dcd4c4983a | 152 | ssd1306_command(SSD1306_SETDISPLAYCLOCKDIV); // 0xD5 |
nkhorman | 0:c3dcd4c4983a | 153 | ssd1306_command(0x80); // the suggested ratio 0x80 |
nkhorman | 0:c3dcd4c4983a | 154 | ssd1306_command(SSD1306_SETMULTIPLEX); // 0xA8 |
nkhorman | 0:c3dcd4c4983a | 155 | ssd1306_command(0x3F); |
nkhorman | 0:c3dcd4c4983a | 156 | ssd1306_command(SSD1306_SETDISPLAYOFFSET); // 0xD3 |
nkhorman | 0:c3dcd4c4983a | 157 | ssd1306_command(0x0); // no offset |
nkhorman | 0:c3dcd4c4983a | 158 | ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 |
nkhorman | 0:c3dcd4c4983a | 159 | ssd1306_command(SSD1306_CHARGEPUMP); // 0x8D |
nkhorman | 0:c3dcd4c4983a | 160 | if (vccstate == SSD1306_EXTERNALVCC) |
nkhorman | 0:c3dcd4c4983a | 161 | { ssd1306_command(0x10); } |
nkhorman | 0:c3dcd4c4983a | 162 | else |
nkhorman | 0:c3dcd4c4983a | 163 | { ssd1306_command(0x14); } |
nkhorman | 0:c3dcd4c4983a | 164 | ssd1306_command(SSD1306_MEMORYMODE); // 0x20 |
nkhorman | 0:c3dcd4c4983a | 165 | ssd1306_command(0x00); // 0x0 act like ks0108 |
nkhorman | 0:c3dcd4c4983a | 166 | ssd1306_command(SSD1306_SEGREMAP | 0x1); |
nkhorman | 0:c3dcd4c4983a | 167 | ssd1306_command(SSD1306_COMSCANDEC); |
nkhorman | 0:c3dcd4c4983a | 168 | ssd1306_command(SSD1306_SETCOMPINS); // 0xDA |
nkhorman | 0:c3dcd4c4983a | 169 | ssd1306_command(0x12); |
nkhorman | 0:c3dcd4c4983a | 170 | ssd1306_command(SSD1306_SETCONTRAST); // 0x81 |
nkhorman | 0:c3dcd4c4983a | 171 | if (vccstate == SSD1306_EXTERNALVCC) |
nkhorman | 0:c3dcd4c4983a | 172 | { ssd1306_command(0x9F); } |
nkhorman | 0:c3dcd4c4983a | 173 | else |
nkhorman | 0:c3dcd4c4983a | 174 | { ssd1306_command(0xCF); } |
nkhorman | 0:c3dcd4c4983a | 175 | ssd1306_command(SSD1306_SETPRECHARGE); // 0xd9 |
nkhorman | 0:c3dcd4c4983a | 176 | if (vccstate == SSD1306_EXTERNALVCC) |
nkhorman | 0:c3dcd4c4983a | 177 | { ssd1306_command(0x22); } |
nkhorman | 0:c3dcd4c4983a | 178 | else |
nkhorman | 0:c3dcd4c4983a | 179 | { ssd1306_command(0xF1); } |
nkhorman | 0:c3dcd4c4983a | 180 | ssd1306_command(SSD1306_SETVCOMDETECT); // 0xDB |
nkhorman | 0:c3dcd4c4983a | 181 | ssd1306_command(0x40); |
nkhorman | 0:c3dcd4c4983a | 182 | ssd1306_command(SSD1306_DISPLAYALLON_RESUME); // 0xA4 |
nkhorman | 0:c3dcd4c4983a | 183 | ssd1306_command(SSD1306_NORMALDISPLAY); // 0xA6 |
nkhorman | 0:c3dcd4c4983a | 184 | #endif |
nkhorman | 0:c3dcd4c4983a | 185 | |
nkhorman | 0:c3dcd4c4983a | 186 | ssd1306_command(SSD1306_DISPLAYON);//--turn on oled panel |
nkhorman | 0:c3dcd4c4983a | 187 | } |
nkhorman | 0:c3dcd4c4983a | 188 | |
nkhorman | 0:c3dcd4c4983a | 189 | // the most basic function, set a single pixel |
nkhorman | 0:c3dcd4c4983a | 190 | void Adafruit_SSD1306::drawPixel(int16_t x, int16_t y, uint16_t color) |
nkhorman | 0:c3dcd4c4983a | 191 | { |
nkhorman | 0:c3dcd4c4983a | 192 | if ((x < 0) || (x >= width()) || (y < 0) || (y >= height())) |
nkhorman | 0:c3dcd4c4983a | 193 | return; |
nkhorman | 0:c3dcd4c4983a | 194 | |
nkhorman | 0:c3dcd4c4983a | 195 | // check rotation, move pixel around if necessary |
nkhorman | 0:c3dcd4c4983a | 196 | switch (getRotation()) |
nkhorman | 0:c3dcd4c4983a | 197 | { |
nkhorman | 0:c3dcd4c4983a | 198 | case 1: |
nkhorman | 0:c3dcd4c4983a | 199 | swap(x, y); |
nkhorman | 0:c3dcd4c4983a | 200 | x = _rawWidth - x - 1; |
nkhorman | 0:c3dcd4c4983a | 201 | break; |
nkhorman | 0:c3dcd4c4983a | 202 | case 2: |
nkhorman | 0:c3dcd4c4983a | 203 | x = _rawWidth - x - 1; |
nkhorman | 0:c3dcd4c4983a | 204 | y = _rawHeight - y - 1; |
nkhorman | 0:c3dcd4c4983a | 205 | break; |
nkhorman | 0:c3dcd4c4983a | 206 | case 3: |
nkhorman | 0:c3dcd4c4983a | 207 | swap(x, y); |
nkhorman | 0:c3dcd4c4983a | 208 | y = _rawHeight - y - 1; |
nkhorman | 0:c3dcd4c4983a | 209 | break; |
nkhorman | 0:c3dcd4c4983a | 210 | } |
nkhorman | 0:c3dcd4c4983a | 211 | |
nkhorman | 0:c3dcd4c4983a | 212 | // x is which column |
nkhorman | 0:c3dcd4c4983a | 213 | if (color == WHITE) |
nkhorman | 0:c3dcd4c4983a | 214 | buffer[x+ (y/8)*SSD1306_LCDWIDTH] |= _BV((y%8)); |
nkhorman | 0:c3dcd4c4983a | 215 | else |
nkhorman | 0:c3dcd4c4983a | 216 | buffer[x+ (y/8)*SSD1306_LCDWIDTH] &= ~_BV((y%8)); |
nkhorman | 0:c3dcd4c4983a | 217 | } |
nkhorman | 0:c3dcd4c4983a | 218 | |
nkhorman | 0:c3dcd4c4983a | 219 | void Adafruit_SSD1306::invertDisplay(bool i) |
nkhorman | 0:c3dcd4c4983a | 220 | { |
nkhorman | 0:c3dcd4c4983a | 221 | if (i) |
nkhorman | 0:c3dcd4c4983a | 222 | ssd1306_command(SSD1306_INVERTDISPLAY); |
nkhorman | 0:c3dcd4c4983a | 223 | else |
nkhorman | 0:c3dcd4c4983a | 224 | ssd1306_command(SSD1306_NORMALDISPLAY); |
nkhorman | 0:c3dcd4c4983a | 225 | } |
nkhorman | 0:c3dcd4c4983a | 226 | |
DrCoyle | 4:f79c4a74f266 | 227 | //function inverts display of num characters starting at row x, column y |
DrCoyle | 4:f79c4a74f266 | 228 | void Adafruit_SSD1306::invertSection(int16_t x, int16_t y, int16_t num) |
DrCoyle | 4:f79c4a74f266 | 229 | { |
DrCoyle | 4:f79c4a74f266 | 230 | if (x+num > 21 || y>8) |
DrCoyle | 4:f79c4a74f266 | 231 | return; |
DrCoyle | 4:f79c4a74f266 | 232 | else { |
DrCoyle | 4:f79c4a74f266 | 233 | int k; |
DrCoyle | 4:f79c4a74f266 | 234 | for (k=0;k<(num*6);k++) |
DrCoyle | 4:f79c4a74f266 | 235 | buffer[x*6+y*SSD1306_LCDWIDTH+k]=~buffer[x*6+y*SSD1306_LCDWIDTH+k]; |
DrCoyle | 4:f79c4a74f266 | 236 | } |
DrCoyle | 4:f79c4a74f266 | 237 | } |
DrCoyle | 4:f79c4a74f266 | 238 | |
nkhorman | 0:c3dcd4c4983a | 239 | void Adafruit_SSD1306::ssd1306_command(uint8_t c) |
nkhorman | 0:c3dcd4c4983a | 240 | { |
nkhorman | 0:c3dcd4c4983a | 241 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 242 | dc = 0; |
nkhorman | 0:c3dcd4c4983a | 243 | cs = 0; |
nkhorman | 0:c3dcd4c4983a | 244 | mspi.write(c); |
nkhorman | 0:c3dcd4c4983a | 245 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 246 | } |
nkhorman | 0:c3dcd4c4983a | 247 | |
nkhorman | 0:c3dcd4c4983a | 248 | void Adafruit_SSD1306::ssd1306_data(uint8_t c) |
nkhorman | 0:c3dcd4c4983a | 249 | { |
nkhorman | 0:c3dcd4c4983a | 250 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 251 | dc = 1; |
nkhorman | 0:c3dcd4c4983a | 252 | cs = 0; |
nkhorman | 0:c3dcd4c4983a | 253 | mspi.write(c); |
nkhorman | 0:c3dcd4c4983a | 254 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 255 | } |
nkhorman | 0:c3dcd4c4983a | 256 | |
nkhorman | 0:c3dcd4c4983a | 257 | void Adafruit_SSD1306::display(void) |
nkhorman | 0:c3dcd4c4983a | 258 | { |
nkhorman | 0:c3dcd4c4983a | 259 | ssd1306_command(SSD1306_SETLOWCOLUMN | 0x0); // low col = 0 |
nkhorman | 0:c3dcd4c4983a | 260 | ssd1306_command(SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0 |
nkhorman | 0:c3dcd4c4983a | 261 | ssd1306_command(SSD1306_SETSTARTLINE | 0x0); // line #0 |
nkhorman | 0:c3dcd4c4983a | 262 | |
nkhorman | 0:c3dcd4c4983a | 263 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 264 | dc = 1; |
nkhorman | 0:c3dcd4c4983a | 265 | cs = 0; |
nkhorman | 0:c3dcd4c4983a | 266 | |
nkhorman | 0:c3dcd4c4983a | 267 | for (uint16_t i=0; i<(SSD1306_LCDWIDTH*SSD1306_LCDHEIGHT/8); i++) |
nkhorman | 0:c3dcd4c4983a | 268 | mspi.write(buffer[i]); |
nkhorman | 0:c3dcd4c4983a | 269 | |
nkhorman | 0:c3dcd4c4983a | 270 | // i wonder why we have to do this (check datasheet) |
nkhorman | 0:c3dcd4c4983a | 271 | if (SSD1306_LCDHEIGHT == 32) |
nkhorman | 0:c3dcd4c4983a | 272 | { |
nkhorman | 0:c3dcd4c4983a | 273 | for (uint16_t i=0; i<(SSD1306_LCDWIDTH*SSD1306_LCDHEIGHT/8); i++) |
nkhorman | 0:c3dcd4c4983a | 274 | mspi.write(0); |
nkhorman | 0:c3dcd4c4983a | 275 | } |
nkhorman | 0:c3dcd4c4983a | 276 | |
nkhorman | 0:c3dcd4c4983a | 277 | cs = 1; |
nkhorman | 0:c3dcd4c4983a | 278 | } |
nkhorman | 0:c3dcd4c4983a | 279 | |
nkhorman | 0:c3dcd4c4983a | 280 | // clear everything |
nkhorman | 0:c3dcd4c4983a | 281 | void Adafruit_SSD1306::clearDisplay(void) |
nkhorman | 0:c3dcd4c4983a | 282 | { |
nkhorman | 0:c3dcd4c4983a | 283 | memset(buffer,0,sizeof(buffer)); |
nkhorman | 0:c3dcd4c4983a | 284 | } |