Miguel Angel Rodriguez Jodar / ssd1306_library

A class for managing SSD1306 controlled LCD´s (cheap 128x64 models, 0.96'')

Dependents:   mbed_ssd1306 USB_meter_SD_file_number_filtro_for EscanerRf escaner_RTOS ... more

ssd1306.cpp@3:bb6fba3e84ff, 2017-11-01 (annotated)

Committer:
rodriguj
Date:
Wed Nov 01 11:04:20 2017 +0000
Revision:
3:bb6fba3e84ff
Parent:
2:7f1160c1a741
Child:
4:35757c8b7625
Added printf method; Tiny fixes to use referenced parameters instead of pointers; Dual constructor. Now the library can coexist with other I2C slaves.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rodriguj 3:bb6fba3e84ff 1 /*
rodriguj 3:bb6fba3e84ff 2 * ssd1306.cpp
rodriguj 3:bb6fba3e84ff 3 *
rodriguj 3:bb6fba3e84ff 4 * Created on: 20 oct. 2017
rodriguj 3:bb6fba3e84ff 5 * Author: Miguel Angel Rodriguez Jodar
rodriguj 3:bb6fba3e84ff 6 *
rodriguj 3:bb6fba3e84ff 7 * Based upon Adafruit library.
rodriguj 3:bb6fba3e84ff 8 * GPL licensed.
rodriguj 3:bb6fba3e84ff 9 *
rodriguj 3:bb6fba3e84ff 10 */
rodriguj 3:bb6fba3e84ff 11
rodriguj 0:3d84b3bfb794 12 #include "ssd1306.h"
rodriguj 0:3d84b3bfb794 13 #include "mbed.h"
rodriguj 0:3d84b3bfb794 14
rodriguj 0:3d84b3bfb794 15 static const char charset[2048] = {
rodriguj 0:3d84b3bfb794 16 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7E, 0x81,
rodriguj 0:3d84b3bfb794 17 0x95, 0xB1, 0xB1, 0x95, 0x81, 0x7E, 0x7E, 0xFF, 0xEB, 0xCF,
rodriguj 0:3d84b3bfb794 18 0xCF, 0xEB, 0xFF, 0x7E, 0x0E, 0x1F, 0x3F, 0x7E, 0x3F, 0x1F,
rodriguj 0:3d84b3bfb794 19 0x0E, 0x00, 0x08, 0x1C, 0x3E, 0x7F, 0x3E, 0x1C, 0x08, 0x00,
rodriguj 0:3d84b3bfb794 20 0x38, 0x3A, 0x9F, 0xFF, 0x9F, 0x3A, 0x38, 0x00, 0x18, 0x3C,
rodriguj 0:3d84b3bfb794 21 0xBE, 0xFF, 0xBE, 0x3C, 0x18, 0x00, 0x00, 0x00, 0x18, 0x3C,
rodriguj 0:3d84b3bfb794 22 0x3C, 0x18, 0x00, 0x00, 0xFF, 0xFF, 0xE7, 0xC3, 0xC3, 0xE7,
rodriguj 0:3d84b3bfb794 23 0xFF, 0xFF, 0x00, 0x3C, 0x66, 0x42, 0x42, 0x66, 0x3C, 0x00,
rodriguj 0:3d84b3bfb794 24 0xFF, 0xC3, 0x99, 0xBD, 0xBD, 0x99, 0xC3, 0xFF, 0x70, 0xF8,
rodriguj 0:3d84b3bfb794 25 0x88, 0x88, 0xFD, 0x7F, 0x07, 0x0F, 0x00, 0x4E, 0x5F, 0xF1,
rodriguj 0:3d84b3bfb794 26 0xF1, 0x5F, 0x4E, 0x00, 0xC0, 0xE0, 0xFF, 0x7F, 0x05, 0x05,
rodriguj 0:3d84b3bfb794 27 0x07, 0x07, 0xC0, 0xFF, 0x7F, 0x05, 0x05, 0x65, 0x7F, 0x3F,
rodriguj 0:3d84b3bfb794 28 0x5A, 0x5A, 0x3C, 0xE7, 0xE7, 0x3C, 0x5A, 0x5A, 0x7F, 0x3E,
rodriguj 0:3d84b3bfb794 29 0x3E, 0x1C, 0x1C, 0x08, 0x08, 0x00, 0x08, 0x08, 0x1C, 0x1C,
rodriguj 0:3d84b3bfb794 30 0x3E, 0x3E, 0x7F, 0x00, 0x00, 0x24, 0x66, 0xFF, 0xFF, 0x66,
rodriguj 0:3d84b3bfb794 31 0x24, 0x00, 0x00, 0x5F, 0x5F, 0x00, 0x00, 0x5F, 0x5F, 0x00,
rodriguj 0:3d84b3bfb794 32 0x06, 0x0F, 0x09, 0x7F, 0x7F, 0x01, 0x7F, 0x7F, 0x40, 0x9A,
rodriguj 0:3d84b3bfb794 33 0xBF, 0xA5, 0xA5, 0xFD, 0x59, 0x02, 0x00, 0x70, 0x70, 0x70,
rodriguj 0:3d84b3bfb794 34 0x70, 0x70, 0x70, 0x00, 0x80, 0x94, 0xB6, 0xFF, 0xFF, 0xB6,
rodriguj 0:3d84b3bfb794 35 0x94, 0x80, 0x00, 0x04, 0x06, 0x7F, 0x7F, 0x06, 0x04, 0x00,
rodriguj 0:3d84b3bfb794 36 0x00, 0x10, 0x30, 0x7F, 0x7F, 0x30, 0x10, 0x00, 0x08, 0x08,
rodriguj 0:3d84b3bfb794 37 0x08, 0x2A, 0x3E, 0x1C, 0x08, 0x00, 0x08, 0x1C, 0x3E, 0x2A,
rodriguj 0:3d84b3bfb794 38 0x08, 0x08, 0x08, 0x00, 0x3C, 0x3C, 0x20, 0x20, 0x20, 0x20,
rodriguj 0:3d84b3bfb794 39 0x20, 0x00, 0x08, 0x1C, 0x3E, 0x08, 0x08, 0x3E, 0x1C, 0x08,
rodriguj 0:3d84b3bfb794 40 0x30, 0x38, 0x3C, 0x3E, 0x3E, 0x3C, 0x38, 0x30, 0x06, 0x0E,
rodriguj 0:3d84b3bfb794 41 0x1E, 0x3E, 0x3E, 0x1E, 0x0E, 0x06, 0x00, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 42 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x5F, 0x5F, 0x06,
rodriguj 0:3d84b3bfb794 43 0x00, 0x00, 0x00, 0x03, 0x07, 0x00, 0x00, 0x07, 0x03, 0x00,
rodriguj 0:3d84b3bfb794 44 0x14, 0x7F, 0x7F, 0x14, 0x7F, 0x7F, 0x14, 0x00, 0x00, 0x24,
rodriguj 0:3d84b3bfb794 45 0x2E, 0x6B, 0x6B, 0x3A, 0x12, 0x00, 0x46, 0x66, 0x30, 0x18,
rodriguj 0:3d84b3bfb794 46 0x0C, 0x66, 0x62, 0x00, 0x30, 0x7A, 0x4F, 0x5D, 0x37, 0x7A,
rodriguj 0:3d84b3bfb794 47 0x48, 0x00, 0x00, 0x00, 0x04, 0x07, 0x03, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 48 0x00, 0x00, 0x1C, 0x3E, 0x63, 0x41, 0x00, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 49 0x41, 0x63, 0x3E, 0x1C, 0x00, 0x00, 0x08, 0x2A, 0x3E, 0x1C,
rodriguj 0:3d84b3bfb794 50 0x1C, 0x3E, 0x2A, 0x08, 0x00, 0x08, 0x08, 0x3E, 0x3E, 0x08,
rodriguj 0:3d84b3bfb794 51 0x08, 0x00, 0x00, 0x00, 0x80, 0xE0, 0x60, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 52 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 53 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x0C,
rodriguj 0:3d84b3bfb794 54 0x06, 0x03, 0x01, 0x00, 0x1C, 0x3E, 0x63, 0x49, 0x63, 0x3E,
rodriguj 0:3d84b3bfb794 55 0x1C, 0x00, 0x00, 0x40, 0x42, 0x7F, 0x7F, 0x40, 0x40, 0x00,
rodriguj 0:3d84b3bfb794 56 0x42, 0x63, 0x71, 0x59, 0x49, 0x6F, 0x66, 0x00, 0x22, 0x63,
rodriguj 0:3d84b3bfb794 57 0x49, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x18, 0x1C, 0x16, 0x53,
rodriguj 0:3d84b3bfb794 58 0x7F, 0x7F, 0x50, 0x00, 0x2F, 0x6F, 0x49, 0x49, 0x49, 0x79,
rodriguj 0:3d84b3bfb794 59 0x31, 0x00, 0x3C, 0x7E, 0x4B, 0x49, 0x49, 0x78, 0x30, 0x00,
rodriguj 0:3d84b3bfb794 60 0x03, 0x03, 0x71, 0x79, 0x0D, 0x07, 0x03, 0x00, 0x36, 0x7F,
rodriguj 0:3d84b3bfb794 61 0x49, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x06, 0x4F, 0x49, 0x49,
rodriguj 0:3d84b3bfb794 62 0x69, 0x3F, 0x1E, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x00,
rodriguj 0:3d84b3bfb794 63 0x00, 0x00, 0x00, 0x00, 0x80, 0xE6, 0x66, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 64 0x00, 0x00, 0x08, 0x1C, 0x36, 0x63, 0x41, 0x00, 0x00, 0x24,
rodriguj 0:3d84b3bfb794 65 0x24, 0x24, 0x24, 0x24, 0x24, 0x00, 0x00, 0x41, 0x63, 0x36,
rodriguj 0:3d84b3bfb794 66 0x1C, 0x08, 0x00, 0x00, 0x02, 0x03, 0x01, 0x59, 0x5D, 0x07,
rodriguj 0:3d84b3bfb794 67 0x02, 0x00, 0x3E, 0x7F, 0x41, 0x5D, 0x5D, 0x1F, 0x1E, 0x00,
rodriguj 0:3d84b3bfb794 68 0x7C, 0x7E, 0x0B, 0x09, 0x0B, 0x7E, 0x7C, 0x00, 0x41, 0x7F,
rodriguj 0:3d84b3bfb794 69 0x7F, 0x49, 0x49, 0x7F, 0x36, 0x00, 0x1C, 0x3E, 0x63, 0x41,
rodriguj 0:3d84b3bfb794 70 0x41, 0x63, 0x22, 0x00, 0x41, 0x7F, 0x7F, 0x41, 0x63, 0x3E,
rodriguj 0:3d84b3bfb794 71 0x1C, 0x00, 0x41, 0x7F, 0x7F, 0x49, 0x5D, 0x41, 0x63, 0x00,
rodriguj 0:3d84b3bfb794 72 0x41, 0x7F, 0x7F, 0x49, 0x1D, 0x01, 0x03, 0x00, 0x1C, 0x3E,
rodriguj 0:3d84b3bfb794 73 0x63, 0x41, 0x51, 0x33, 0x72, 0x00, 0x7F, 0x7F, 0x08, 0x08,
rodriguj 0:3d84b3bfb794 74 0x08, 0x7F, 0x7F, 0x00, 0x00, 0x00, 0x41, 0x7F, 0x7F, 0x41,
rodriguj 0:3d84b3bfb794 75 0x00, 0x00, 0x30, 0x70, 0x40, 0x41, 0x7F, 0x3F, 0x01, 0x00,
rodriguj 0:3d84b3bfb794 76 0x41, 0x7F, 0x7F, 0x08, 0x1C, 0x77, 0x63, 0x00, 0x41, 0x7F,
rodriguj 0:3d84b3bfb794 77 0x7F, 0x41, 0x40, 0x60, 0x70, 0x00, 0x7F, 0x7F, 0x0E, 0x1C,
rodriguj 0:3d84b3bfb794 78 0x0E, 0x7F, 0x7F, 0x00, 0x7F, 0x7F, 0x06, 0x0C, 0x18, 0x7F,
rodriguj 0:3d84b3bfb794 79 0x7F, 0x00, 0x3E, 0x7F, 0x41, 0x41, 0x41, 0x7F, 0x3E, 0x00,
rodriguj 0:3d84b3bfb794 80 0x41, 0x7F, 0x7F, 0x49, 0x09, 0x0F, 0x06, 0x00, 0x3E, 0x7F,
rodriguj 0:3d84b3bfb794 81 0x41, 0x41, 0xE1, 0xFF, 0xBE, 0x00, 0x41, 0x7F, 0x7F, 0x09,
rodriguj 0:3d84b3bfb794 82 0x19, 0x7F, 0x66, 0x00, 0x00, 0x22, 0x67, 0x4D, 0x59, 0x73,
rodriguj 0:3d84b3bfb794 83 0x22, 0x00, 0x00, 0x07, 0x43, 0x7F, 0x7F, 0x43, 0x07, 0x00,
rodriguj 0:3d84b3bfb794 84 0x3F, 0x7F, 0x40, 0x40, 0x40, 0x7F, 0x3F, 0x00, 0x1F, 0x3F,
rodriguj 0:3d84b3bfb794 85 0x60, 0x40, 0x60, 0x3F, 0x1F, 0x00, 0x3F, 0x7F, 0x60, 0x38,
rodriguj 0:3d84b3bfb794 86 0x60, 0x7F, 0x3F, 0x00, 0x63, 0x77, 0x1C, 0x08, 0x1C, 0x77,
rodriguj 0:3d84b3bfb794 87 0x63, 0x00, 0x00, 0x07, 0x4F, 0x78, 0x78, 0x4F, 0x07, 0x00,
rodriguj 0:3d84b3bfb794 88 0x47, 0x63, 0x71, 0x59, 0x4D, 0x67, 0x73, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 89 0x7F, 0x7F, 0x41, 0x41, 0x00, 0x00, 0x01, 0x03, 0x06, 0x0C,
rodriguj 0:3d84b3bfb794 90 0x18, 0x30, 0x60, 0x00, 0x00, 0x00, 0x41, 0x41, 0x7F, 0x7F,
rodriguj 0:3d84b3bfb794 91 0x00, 0x00, 0x08, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x08, 0x00,
rodriguj 0:3d84b3bfb794 92 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 93 0x01, 0x03, 0x06, 0x04, 0x00, 0x00, 0x20, 0x74, 0x54, 0x54,
rodriguj 0:3d84b3bfb794 94 0x3C, 0x78, 0x40, 0x00, 0x41, 0x7F, 0x3F, 0x44, 0x44, 0x7C,
rodriguj 0:3d84b3bfb794 95 0x38, 0x00, 0x38, 0x7C, 0x44, 0x44, 0x44, 0x6C, 0x28, 0x00,
rodriguj 0:3d84b3bfb794 96 0x38, 0x7C, 0x44, 0x45, 0x3F, 0x7F, 0x40, 0x00, 0x38, 0x7C,
rodriguj 0:3d84b3bfb794 97 0x54, 0x54, 0x54, 0x5C, 0x18, 0x00, 0x48, 0x7E, 0x7F, 0x49,
rodriguj 0:3d84b3bfb794 98 0x09, 0x03, 0x02, 0x00, 0x98, 0xBC, 0xA4, 0xA4, 0xF8, 0x7C,
rodriguj 0:3d84b3bfb794 99 0x04, 0x00, 0x41, 0x7F, 0x7F, 0x08, 0x04, 0x7C, 0x78, 0x00,
rodriguj 0:3d84b3bfb794 100 0x00, 0x00, 0x44, 0x7D, 0x7D, 0x40, 0x00, 0x00, 0x00, 0x60,
rodriguj 0:3d84b3bfb794 101 0xE0, 0x80, 0x80, 0xFD, 0x7D, 0x00, 0x41, 0x7F, 0x7F, 0x10,
rodriguj 0:3d84b3bfb794 102 0x38, 0x6C, 0x44, 0x00, 0x00, 0x00, 0x41, 0x7F, 0x7F, 0x40,
rodriguj 0:3d84b3bfb794 103 0x00, 0x00, 0x7C, 0x7C, 0x0C, 0x78, 0x0C, 0x7C, 0x78, 0x00,
rodriguj 0:3d84b3bfb794 104 0x04, 0x7C, 0x78, 0x04, 0x04, 0x7C, 0x78, 0x00, 0x38, 0x7C,
rodriguj 0:3d84b3bfb794 105 0x44, 0x44, 0x44, 0x7C, 0x38, 0x00, 0x84, 0xFC, 0xF8, 0xA4,
rodriguj 0:3d84b3bfb794 106 0x24, 0x3C, 0x18, 0x00, 0x18, 0x3C, 0x24, 0xA4, 0xF8, 0xFC,
rodriguj 0:3d84b3bfb794 107 0x84, 0x00, 0x44, 0x7C, 0x78, 0x4C, 0x04, 0x0C, 0x08, 0x00,
rodriguj 0:3d84b3bfb794 108 0x48, 0x5C, 0x54, 0x54, 0x54, 0x74, 0x24, 0x00, 0x04, 0x04,
rodriguj 0:3d84b3bfb794 109 0x3F, 0x7F, 0x44, 0x64, 0x20, 0x00, 0x3C, 0x7C, 0x40, 0x40,
rodriguj 0:3d84b3bfb794 110 0x3C, 0x7C, 0x40, 0x00, 0x1C, 0x3C, 0x60, 0x40, 0x60, 0x3C,
rodriguj 0:3d84b3bfb794 111 0x1C, 0x00, 0x3C, 0x7C, 0x60, 0x38, 0x60, 0x7C, 0x3C, 0x00,
rodriguj 0:3d84b3bfb794 112 0x44, 0x6C, 0x38, 0x10, 0x38, 0x6C, 0x44, 0x00, 0x9C, 0xBC,
rodriguj 0:3d84b3bfb794 113 0xA0, 0xA0, 0xA0, 0xFC, 0x7C, 0x00, 0x00, 0x4C, 0x64, 0x74,
rodriguj 0:3d84b3bfb794 114 0x5C, 0x4C, 0x64, 0x00, 0x00, 0x08, 0x08, 0x3E, 0x77, 0x41,
rodriguj 0:3d84b3bfb794 115 0x41, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x7F, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 116 0x00, 0x41, 0x41, 0x77, 0x3E, 0x08, 0x08, 0x00, 0x02, 0x03,
rodriguj 0:3d84b3bfb794 117 0x01, 0x03, 0x02, 0x03, 0x01, 0x00, 0x70, 0x78, 0x4C, 0x46,
rodriguj 0:3d84b3bfb794 118 0x4C, 0x78, 0x70, 0x00, 0x1E, 0xBF, 0xA1, 0xA1, 0xE1, 0x73,
rodriguj 0:3d84b3bfb794 119 0x12, 0x00, 0x3D, 0x7D, 0x40, 0x40, 0x3D, 0x7D, 0x40, 0x00,
rodriguj 0:3d84b3bfb794 120 0x38, 0x7C, 0x54, 0x56, 0x57, 0x5D, 0x18, 0x00, 0x22, 0x75,
rodriguj 0:3d84b3bfb794 121 0x55, 0x55, 0x3D, 0x79, 0x42, 0x00, 0x21, 0x75, 0x54, 0x54,
rodriguj 0:3d84b3bfb794 122 0x3C, 0x79, 0x41, 0x00, 0x20, 0x74, 0x55, 0x57, 0x3E, 0x78,
rodriguj 0:3d84b3bfb794 123 0x40, 0x00, 0x20, 0x74, 0x57, 0x57, 0x3C, 0x78, 0x40, 0x00,
rodriguj 0:3d84b3bfb794 124 0x18, 0x3C, 0xA4, 0xA4, 0xE4, 0x64, 0x24, 0x00, 0x3A, 0x7D,
rodriguj 0:3d84b3bfb794 125 0x55, 0x55, 0x55, 0x5D, 0x1A, 0x00, 0x39, 0x7D, 0x54, 0x54,
rodriguj 0:3d84b3bfb794 126 0x54, 0x5D, 0x19, 0x00, 0x38, 0x7C, 0x55, 0x57, 0x56, 0x5C,
rodriguj 0:3d84b3bfb794 127 0x18, 0x00, 0x00, 0x01, 0x45, 0x7C, 0x7C, 0x41, 0x01, 0x00,
rodriguj 0:3d84b3bfb794 128 0x02, 0x01, 0x45, 0x7D, 0x7D, 0x41, 0x02, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 129 0x49, 0x7B, 0x7A, 0x40, 0x00, 0x00, 0x79, 0x7D, 0x16, 0x12,
rodriguj 0:3d84b3bfb794 130 0x16, 0x7D, 0x79, 0x00, 0x78, 0x7E, 0x17, 0x15, 0x17, 0x7E,
rodriguj 0:3d84b3bfb794 131 0x78, 0x00, 0x7C, 0x7C, 0x56, 0x57, 0x55, 0x44, 0x44, 0x00,
rodriguj 0:3d84b3bfb794 132 0x20, 0x74, 0x54, 0x7C, 0x7C, 0x54, 0x54, 0x00, 0x7C, 0x7E,
rodriguj 0:3d84b3bfb794 133 0x0B, 0x09, 0x7F, 0x7F, 0x49, 0x00, 0x3A, 0x7D, 0x45, 0x45,
rodriguj 0:3d84b3bfb794 134 0x45, 0x7D, 0x3A, 0x00, 0x39, 0x7D, 0x44, 0x44, 0x44, 0x7D,
rodriguj 0:3d84b3bfb794 135 0x39, 0x00, 0x38, 0x7C, 0x45, 0x47, 0x46, 0x7C, 0x38, 0x00,
rodriguj 0:3d84b3bfb794 136 0x3A, 0x79, 0x41, 0x41, 0x39, 0x7A, 0x40, 0x00, 0x3C, 0x7D,
rodriguj 0:3d84b3bfb794 137 0x43, 0x42, 0x3C, 0x7C, 0x40, 0x00, 0x9D, 0xBD, 0xA0, 0xA0,
rodriguj 0:3d84b3bfb794 138 0xA0, 0xFD, 0x7D, 0x00, 0x19, 0x3D, 0x66, 0x42, 0x66, 0x3D,
rodriguj 0:3d84b3bfb794 139 0x19, 0x00, 0x3D, 0x7D, 0x40, 0x40, 0x40, 0x7D, 0x3D, 0x00,
rodriguj 0:3d84b3bfb794 140 0x18, 0x3C, 0x24, 0xE7, 0xE7, 0x24, 0x24, 0x00, 0x48, 0x7E,
rodriguj 0:3d84b3bfb794 141 0x7F, 0x49, 0x43, 0x66, 0x20, 0x00, 0x00, 0x2B, 0x2F, 0xFC,
rodriguj 0:3d84b3bfb794 142 0xFC, 0x2F, 0x2B, 0x00, 0xFF, 0xFF, 0x09, 0x09, 0x2F, 0xF6,
rodriguj 0:3d84b3bfb794 143 0xF8, 0xA0, 0x20, 0x60, 0x48, 0x7E, 0x3F, 0x09, 0x03, 0x02,
rodriguj 0:3d84b3bfb794 144 0x20, 0x74, 0x56, 0x57, 0x3D, 0x78, 0x40, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 145 0x48, 0x7A, 0x7B, 0x41, 0x00, 0x00, 0x38, 0x7C, 0x44, 0x46,
rodriguj 0:3d84b3bfb794 146 0x47, 0x7D, 0x38, 0x00, 0x3C, 0x7C, 0x42, 0x43, 0x3D, 0x7C,
rodriguj 0:3d84b3bfb794 147 0x40, 0x00, 0x0A, 0x7B, 0x71, 0x0B, 0x0A, 0x7B, 0x71, 0x00,
rodriguj 0:3d84b3bfb794 148 0x7A, 0x7B, 0x19, 0x33, 0x62, 0x7B, 0x79, 0x00, 0x00, 0x26,
rodriguj 0:3d84b3bfb794 149 0x2F, 0x29, 0x2F, 0x2F, 0x28, 0x00, 0x00, 0x26, 0x2F, 0x29,
rodriguj 0:3d84b3bfb794 150 0x2F, 0x26, 0x00, 0x00, 0x00, 0x20, 0x70, 0x5D, 0x4D, 0x40,
rodriguj 0:3d84b3bfb794 151 0x60, 0x20, 0x38, 0x38, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00,
rodriguj 0:3d84b3bfb794 152 0x08, 0x08, 0x08, 0x08, 0x08, 0x38, 0x38, 0x00, 0x42, 0x6F,
rodriguj 0:3d84b3bfb794 153 0x3F, 0x18, 0xCC, 0xEE, 0xBB, 0x91, 0x42, 0x6F, 0x3F, 0x58,
rodriguj 0:3d84b3bfb794 154 0x6C, 0xD6, 0xFB, 0x41, 0x00, 0x00, 0x30, 0x7D, 0x7D, 0x30,
rodriguj 0:3d84b3bfb794 155 0x00, 0x00, 0x08, 0x1C, 0x36, 0x22, 0x08, 0x1C, 0x36, 0x22,
rodriguj 0:3d84b3bfb794 156 0x22, 0x36, 0x1C, 0x08, 0x22, 0x36, 0x1C, 0x08, 0xAA, 0x00,
rodriguj 0:3d84b3bfb794 157 0x55, 0x00, 0xAA, 0x00, 0x55, 0x00, 0xAA, 0x55, 0xAA, 0x55,
rodriguj 0:3d84b3bfb794 158 0xAA, 0x55, 0xAA, 0x55, 0xAA, 0xFF, 0x55, 0xFF, 0xAA, 0xFF,
rodriguj 0:3d84b3bfb794 159 0x55, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 160 0x10, 0x10, 0x10, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x14, 0x14,
rodriguj 0:3d84b3bfb794 161 0x14, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x10, 0x10, 0xFF, 0xFF,
rodriguj 0:3d84b3bfb794 162 0x00, 0xFF, 0xFF, 0x00, 0x10, 0x10, 0xF0, 0xF0, 0x10, 0xF0,
rodriguj 0:3d84b3bfb794 163 0xF0, 0x00, 0x14, 0x14, 0x14, 0xFC, 0xFC, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 164 0x14, 0x14, 0xF7, 0xF7, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 165 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x14, 0x14, 0xF4, 0xF4,
rodriguj 0:3d84b3bfb794 166 0x04, 0xFC, 0xFC, 0x00, 0x14, 0x14, 0x17, 0x17, 0x10, 0x1F,
rodriguj 0:3d84b3bfb794 167 0x1F, 0x00, 0x10, 0x10, 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x00,
rodriguj 0:3d84b3bfb794 168 0x14, 0x14, 0x14, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x10, 0x10,
rodriguj 0:3d84b3bfb794 169 0x10, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F,
rodriguj 0:3d84b3bfb794 170 0x1F, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x1F, 0x1F, 0x10,
rodriguj 0:3d84b3bfb794 171 0x10, 0x10, 0x10, 0x10, 0x10, 0xF0, 0xF0, 0x10, 0x10, 0x10,
rodriguj 0:3d84b3bfb794 172 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x10, 0x10, 0x10, 0x10, 0x10,
rodriguj 0:3d84b3bfb794 173 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0xFF,
rodriguj 0:3d84b3bfb794 174 0xFF, 0x10, 0x10, 0x10, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x14,
rodriguj 0:3d84b3bfb794 175 0x14, 0x14, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x10,
rodriguj 0:3d84b3bfb794 176 0x00, 0x00, 0x1F, 0x1F, 0x10, 0x17, 0x17, 0x14, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 177 0xFC, 0xFC, 0x04, 0xF4, 0xF4, 0x14, 0x14, 0x14, 0x17, 0x17,
rodriguj 0:3d84b3bfb794 178 0x10, 0x17, 0x17, 0x14, 0x14, 0x14, 0xF4, 0xF4, 0x04, 0xF4,
rodriguj 0:3d84b3bfb794 179 0xF4, 0x14, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xF7, 0xF7, 0x14,
rodriguj 0:3d84b3bfb794 180 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14,
rodriguj 0:3d84b3bfb794 181 0xF7, 0xF7, 0x00, 0xF7, 0xF7, 0x14, 0x14, 0x14, 0x14, 0x17,
rodriguj 0:3d84b3bfb794 182 0x17, 0x14, 0x14, 0x14, 0x10, 0x10, 0x1F, 0x1F, 0x10, 0x1F,
rodriguj 0:3d84b3bfb794 183 0x1F, 0x10, 0x14, 0x14, 0x14, 0xF4, 0xF4, 0x14, 0x14, 0x14,
rodriguj 0:3d84b3bfb794 184 0x10, 0x10, 0xF0, 0xF0, 0x10, 0xF0, 0xF0, 0x10, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 185 0x1F, 0x1F, 0x10, 0x1F, 0x1F, 0x10, 0x00, 0x00, 0x00, 0x1F,
rodriguj 0:3d84b3bfb794 186 0x1F, 0x14, 0x14, 0x14, 0x00, 0x00, 0x00, 0xFC, 0xFC, 0x14,
rodriguj 0:3d84b3bfb794 187 0x14, 0x14, 0x00, 0x00, 0xF0, 0xF0, 0x10, 0xF0, 0xF0, 0x10,
rodriguj 0:3d84b3bfb794 188 0x10, 0x10, 0xFF, 0xFF, 0x10, 0xFF, 0xFF, 0x10, 0x14, 0x14,
rodriguj 0:3d84b3bfb794 189 0x14, 0xFF, 0xFF, 0x14, 0x14, 0x14, 0x10, 0x10, 0x10, 0x1F,
rodriguj 0:3d84b3bfb794 190 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0xF0, 0x10,
rodriguj 0:3d84b3bfb794 191 0x10, 0x10, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
rodriguj 0:3d84b3bfb794 192 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xF0, 0xFF, 0xFF,
rodriguj 0:3d84b3bfb794 193 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 194 0xFF, 0xFF, 0xFF, 0xFF, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F, 0x0F,
rodriguj 0:3d84b3bfb794 195 0x0F, 0x0F, 0x38, 0x7C, 0x44, 0x6C, 0x38, 0x6C, 0x44, 0x00,
rodriguj 0:3d84b3bfb794 196 0x7E, 0x7F, 0x01, 0x09, 0x5F, 0x76, 0x20, 0x00, 0x7F, 0x7F,
rodriguj 0:3d84b3bfb794 197 0x01, 0x01, 0x01, 0x03, 0x03, 0x00, 0x04, 0x7C, 0x7C, 0x04,
rodriguj 0:3d84b3bfb794 198 0x7C, 0x7C, 0x04, 0x00, 0x63, 0x77, 0x5D, 0x49, 0x41, 0x63,
rodriguj 0:3d84b3bfb794 199 0x63, 0x00, 0x38, 0x7C, 0x44, 0x7C, 0x3C, 0x04, 0x04, 0x00,
rodriguj 0:3d84b3bfb794 200 0x80, 0xFC, 0x7C, 0x40, 0x40, 0x7C, 0x3C, 0x00, 0x04, 0x06,
rodriguj 0:3d84b3bfb794 201 0x02, 0x7E, 0x7C, 0x06, 0x02, 0x00, 0x00, 0x99, 0xBD, 0xE7,
rodriguj 0:3d84b3bfb794 202 0xE7, 0xBD, 0x99, 0x00, 0x1C, 0x3E, 0x6B, 0x49, 0x6B, 0x3E,
rodriguj 0:3d84b3bfb794 203 0x1C, 0x00, 0x4C, 0x7E, 0x73, 0x01, 0x73, 0x7E, 0x4C, 0x00,
rodriguj 0:3d84b3bfb794 204 0x00, 0x30, 0x78, 0x4A, 0x4F, 0x7D, 0x39, 0x00, 0x18, 0x3C,
rodriguj 0:3d84b3bfb794 205 0x24, 0x3C, 0x3C, 0x24, 0x3C, 0x18, 0x98, 0xFC, 0x64, 0x3C,
rodriguj 0:3d84b3bfb794 206 0x3E, 0x27, 0x3D, 0x18, 0x00, 0x1C, 0x3E, 0x6B, 0x49, 0x49,
rodriguj 0:3d84b3bfb794 207 0x49, 0x00, 0x7C, 0x7E, 0x02, 0x02, 0x02, 0x7E, 0x7C, 0x00,
rodriguj 0:3d84b3bfb794 208 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x2A, 0x00, 0x00, 0x44,
rodriguj 0:3d84b3bfb794 209 0x44, 0x5F, 0x5F, 0x44, 0x44, 0x00, 0x00, 0x40, 0x51, 0x5B,
rodriguj 0:3d84b3bfb794 210 0x4E, 0x44, 0x40, 0x00, 0x00, 0x40, 0x44, 0x4E, 0x5B, 0x51,
rodriguj 0:3d84b3bfb794 211 0x40, 0x00, 0x00, 0x00, 0x00, 0xFE, 0xFF, 0x01, 0x07, 0x06,
rodriguj 0:3d84b3bfb794 212 0x60, 0xE0, 0x80, 0xFF, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x08,
rodriguj 0:3d84b3bfb794 213 0x08, 0x2A, 0x2A, 0x08, 0x08, 0x00, 0x24, 0x36, 0x12, 0x36,
rodriguj 0:3d84b3bfb794 214 0x24, 0x36, 0x12, 0x00, 0x00, 0x06, 0x0F, 0x09, 0x0F, 0x06,
rodriguj 0:3d84b3bfb794 215 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 216 0x00, 0x00, 0x00, 0x08, 0x08, 0x00, 0x00, 0x00, 0x10, 0x30,
rodriguj 0:3d84b3bfb794 217 0x70, 0xC0, 0xFF, 0xFF, 0x01, 0x01, 0x00, 0x01, 0x1F, 0x1E,
rodriguj 0:3d84b3bfb794 218 0x01, 0x1F, 0x1E, 0x00, 0x00, 0x11, 0x19, 0x1D, 0x17, 0x12,
rodriguj 0:3d84b3bfb794 219 0x00, 0x00, 0x00, 0x00, 0x3C, 0x3C, 0x3C, 0x3C, 0x00, 0x00,
rodriguj 0:3d84b3bfb794 220 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
rodriguj 0:3d84b3bfb794 221 };
rodriguj 0:3d84b3bfb794 222
rodriguj 0:3d84b3bfb794 223
rodriguj 3:bb6fba3e84ff 224 SSD1306::SSD1306 (PinName sda, PinName scl, char ssd1306_addr)
rodriguj 0:3d84b3bfb794 225 {
rodriguj 0:3d84b3bfb794 226 idxfb = 0;
rodriguj 0:3d84b3bfb794 227 fb = new char[1024];
rodriguj 2:7f1160c1a741 228 if (!fb) {
rodriguj 0:3d84b3bfb794 229 printf ("SSD1306: Framebuffer allocation failed!\r\n");
rodriguj 0:3d84b3bfb794 230 for (;;) { }
rodriguj 0:3d84b3bfb794 231 }
rodriguj 2:7f1160c1a741 232
rodriguj 0:3d84b3bfb794 233 bus = new I2C (sda, scl);
rodriguj 3:bb6fba3e84ff 234 ssd1306_i2c_addr = ssd1306_addr;
rodriguj 3:bb6fba3e84ff 235 do_not_delete_bus = 0;
rodriguj 0:3d84b3bfb794 236 #ifdef SSD1306_DEBUG
rodriguj 0:3d84b3bfb794 237 printf ("SSD1306 debug: fb = 0x%08.8X\r\n", fb);
rodriguj 0:3d84b3bfb794 238 printf ("SSD1306 debug: I2C addr = 0x%02.2X\r\n", ssd1306_i2c_addr);
rodriguj 0:3d84b3bfb794 239 #endif
rodriguj 3:bb6fba3e84ff 240 }
rodriguj 2:7f1160c1a741 241
rodriguj 3:bb6fba3e84ff 242 SSD1306::SSD1306 (I2C &busi2c, char ssd1306_addr)
rodriguj 3:bb6fba3e84ff 243 {
rodriguj 3:bb6fba3e84ff 244 bus = &busi2c;
rodriguj 3:bb6fba3e84ff 245 idxfb = 0;
rodriguj 3:bb6fba3e84ff 246 fb = new char[1024];
rodriguj 3:bb6fba3e84ff 247 if (!fb) {
rodriguj 3:bb6fba3e84ff 248 printf ("SSD1306: Framebuffer allocation failed!\r\n");
rodriguj 3:bb6fba3e84ff 249 for (;;) { }
rodriguj 3:bb6fba3e84ff 250 }
rodriguj 3:bb6fba3e84ff 251 ssd1306_i2c_addr = ssd1306_addr;
rodriguj 3:bb6fba3e84ff 252 do_not_delete_bus = 1;
rodriguj 0:3d84b3bfb794 253 }
rodriguj 0:3d84b3bfb794 254
rodriguj 0:3d84b3bfb794 255 void SSD1306::speed (I2CSpeed spd)
rodriguj 0:3d84b3bfb794 256 {
rodriguj 2:7f1160c1a741 257 switch (spd) {
rodriguj 2:7f1160c1a741 258 case Low:
rodriguj 2:7f1160c1a741 259 bus->frequency(100000);
rodriguj 2:7f1160c1a741 260 break;
rodriguj 2:7f1160c1a741 261 case Medium:
rodriguj 2:7f1160c1a741 262 bus->frequency(400000);
rodriguj 2:7f1160c1a741 263 break;
rodriguj 2:7f1160c1a741 264 case Fast:
rodriguj 2:7f1160c1a741 265 bus->frequency(1000000);
rodriguj 2:7f1160c1a741 266 break;
rodriguj 0:3d84b3bfb794 267 }
rodriguj 0:3d84b3bfb794 268 }
rodriguj 0:3d84b3bfb794 269
rodriguj 0:3d84b3bfb794 270 char SSD1306::scan (void)
rodriguj 0:3d84b3bfb794 271 {
rodriguj 0:3d84b3bfb794 272 int addr;
rodriguj 0:3d84b3bfb794 273 int res;
rodriguj 0:3d84b3bfb794 274 char i2caddr = 0;
rodriguj 2:7f1160c1a741 275
rodriguj 0:3d84b3bfb794 276 for (addr=0; addr<256; addr++) {
rodriguj 0:3d84b3bfb794 277 res = bus->write (addr, NULL, 0);
rodriguj 0:3d84b3bfb794 278 if (res == 0)
rodriguj 0:3d84b3bfb794 279 i2caddr = addr & 0xFE;
rodriguj 0:3d84b3bfb794 280 }
rodriguj 0:3d84b3bfb794 281 return i2caddr;
rodriguj 0:3d84b3bfb794 282 }
rodriguj 0:3d84b3bfb794 283
rodriguj 0:3d84b3bfb794 284 int SSD1306::command_data (char c, char c_or_d, char lastitem)
rodriguj 0:3d84b3bfb794 285 {
rodriguj 0:3d84b3bfb794 286 int res;
rodriguj 2:7f1160c1a741 287
rodriguj 0:3d84b3bfb794 288 bus->start();
rodriguj 2:7f1160c1a741 289 res = bus->write(ssd1306_i2c_addr);
rodriguj 2:7f1160c1a741 290 if (!res) goto terminate_transaction;
rodriguj 2:7f1160c1a741 291 res = bus->write(c_or_d | lastitem);
rodriguj 2:7f1160c1a741 292 if (!res) goto terminate_transaction;
rodriguj 2:7f1160c1a741 293 res = bus->write(c);
rodriguj 2:7f1160c1a741 294 if (!res) goto terminate_transaction;
rodriguj 2:7f1160c1a741 295
rodriguj 2:7f1160c1a741 296 terminate_transaction:
rodriguj 2:7f1160c1a741 297 bus->stop();
rodriguj 0:3d84b3bfb794 298 return res;
rodriguj 0:3d84b3bfb794 299 }
rodriguj 0:3d84b3bfb794 300
rodriguj 0:3d84b3bfb794 301 int SSD1306::command (char c)
rodriguj 0:3d84b3bfb794 302 {
rodriguj 0:3d84b3bfb794 303 return command_data (c, IS_COMMAND, IS_LAST);
rodriguj 0:3d84b3bfb794 304 }
rodriguj 0:3d84b3bfb794 305
rodriguj 0:3d84b3bfb794 306 int SSD1306::data (char d)
rodriguj 0:3d84b3bfb794 307 {
rodriguj 0:3d84b3bfb794 308 return command_data (d, IS_DATA, IS_LAST);
rodriguj 0:3d84b3bfb794 309 }
rodriguj 0:3d84b3bfb794 310
rodriguj 0:3d84b3bfb794 311 int SSD1306::init (void)
rodriguj 0:3d84b3bfb794 312 {
rodriguj 3:bb6fba3e84ff 313 static const char comando[] = {0x80, SSD1306_DISPLAYOFF,
rodriguj 3:bb6fba3e84ff 314 0x80, SSD1306_CHARGEPUMP,
rodriguj 3:bb6fba3e84ff 315 0x80, 0x14,
rodriguj 3:bb6fba3e84ff 316 0x80, SSD1306_MEMORYMODE,
rodriguj 3:bb6fba3e84ff 317 0x80, 0x00,
rodriguj 3:bb6fba3e84ff 318 0x80, SSD1306_SEGREMAP | 0x1,
rodriguj 3:bb6fba3e84ff 319 0x80, SSD1306_COMSCANDEC,
rodriguj 3:bb6fba3e84ff 320 0x80, SSD1306_SETCONTRAST,
rodriguj 3:bb6fba3e84ff 321 0x80, 0x7F,
rodriguj 3:bb6fba3e84ff 322 0x00, SSD1306_DISPLAYON
rodriguj 3:bb6fba3e84ff 323 };
rodriguj 2:7f1160c1a741 324
rodriguj 0:3d84b3bfb794 325 return bus->write (ssd1306_i2c_addr, comando, sizeof comando);
rodriguj 0:3d84b3bfb794 326 }
rodriguj 0:3d84b3bfb794 327
rodriguj 1:c5cf4ca5939f 328 void SSD1306::scroll (bool refresh)
rodriguj 0:3d84b3bfb794 329 {
rodriguj 0:3d84b3bfb794 330 int i;
rodriguj 2:7f1160c1a741 331
rodriguj 0:3d84b3bfb794 332 for (i=128; i<1024; i++)
rodriguj 0:3d84b3bfb794 333 fb[i-128] = fb[i];
rodriguj 0:3d84b3bfb794 334 for (i=896; i<1024; i++)
rodriguj 0:3d84b3bfb794 335 fb[i] = 0;
rodriguj 1:c5cf4ca5939f 336 if (refresh)
rodriguj 2:7f1160c1a741 337 display();
rodriguj 2:7f1160c1a741 338 }
rodriguj 2:7f1160c1a741 339
rodriguj 2:7f1160c1a741 340 void SSD1306::locate (char row, char column)
rodriguj 2:7f1160c1a741 341 {
rodriguj 2:7f1160c1a741 342 idxfb = row*128+column*8;
rodriguj 0:3d84b3bfb794 343 }
rodriguj 0:3d84b3bfb794 344
rodriguj 1:c5cf4ca5939f 345 void SSD1306::putchar (char c, bool refresh)
rodriguj 0:3d84b3bfb794 346 {
rodriguj 0:3d84b3bfb794 347 int idx,i;
rodriguj 2:7f1160c1a741 348
rodriguj 0:3d84b3bfb794 349 idx = c*8;
rodriguj 2:7f1160c1a741 350 if (idxfb == 1024) {
rodriguj 2:7f1160c1a741 351 scroll(refresh);
rodriguj 2:7f1160c1a741 352 idxfb = 896;
rodriguj 2:7f1160c1a741 353 }
rodriguj 0:3d84b3bfb794 354 for (i=0; i<8; i++) {
rodriguj 0:3d84b3bfb794 355 fb[idxfb] = charset[idx+i];
rodriguj 0:3d84b3bfb794 356 idxfb++;
rodriguj 0:3d84b3bfb794 357 }
rodriguj 1:c5cf4ca5939f 358 if (refresh)
rodriguj 2:7f1160c1a741 359 display();
rodriguj 2:7f1160c1a741 360 }
rodriguj 2:7f1160c1a741 361
rodriguj 2:7f1160c1a741 362 void SSD1306::puts (char *s, bool refresh)
rodriguj 2:7f1160c1a741 363 {
rodriguj 2:7f1160c1a741 364 while (*s) putchar (*s++, refresh);
rodriguj 0:3d84b3bfb794 365 }
rodriguj 0:3d84b3bfb794 366
rodriguj 3:bb6fba3e84ff 367 void SSD1306::printf (char *fmt,...)
rodriguj 3:bb6fba3e84ff 368 {
rodriguj 3:bb6fba3e84ff 369 char *s = new char[129];
rodriguj 3:bb6fba3e84ff 370 va_list args;
rodriguj 3:bb6fba3e84ff 371
rodriguj 3:bb6fba3e84ff 372 va_start (args, fmt);
rodriguj 3:bb6fba3e84ff 373 vsnprintf (s, 128, fmt, args);
rodriguj 3:bb6fba3e84ff 374 puts (s, false);
rodriguj 3:bb6fba3e84ff 375 delete[] s;
rodriguj 3:bb6fba3e84ff 376 va_end (args);
rodriguj 3:bb6fba3e84ff 377 }
rodriguj 3:bb6fba3e84ff 378
rodriguj 3:bb6fba3e84ff 379
rodriguj 0:3d84b3bfb794 380 void SSD1306::display(void)
rodriguj 0:3d84b3bfb794 381 {
rodriguj 0:3d84b3bfb794 382 int i;
rodriguj 2:7f1160c1a741 383
rodriguj 0:3d84b3bfb794 384 command (0xb0);
rodriguj 0:3d84b3bfb794 385 command (SSD1306_SETLOWCOLUMN | 0x0); // low col = 0
rodriguj 0:3d84b3bfb794 386 command (SSD1306_SETHIGHCOLUMN | 0x0); // hi col = 0
rodriguj 0:3d84b3bfb794 387 command (SSD1306_SETSTARTLINE | 0x0); // line #0
rodriguj 2:7f1160c1a741 388
rodriguj 0:3d84b3bfb794 389 bus->start();
rodriguj 0:3d84b3bfb794 390 bus->write (ssd1306_i2c_addr);
rodriguj 0:3d84b3bfb794 391 bus->write (0x40);
rodriguj 0:3d84b3bfb794 392 for (i=0; i<1024; i++) {
rodriguj 0:3d84b3bfb794 393 bus->write (fb[i]);
rodriguj 0:3d84b3bfb794 394 }
rodriguj 0:3d84b3bfb794 395 bus->stop();
rodriguj 0:3d84b3bfb794 396 }
rodriguj 0:3d84b3bfb794 397
rodriguj 0:3d84b3bfb794 398 void SSD1306::set_contrast (char v)
rodriguj 0:3d84b3bfb794 399 {
rodriguj 0:3d84b3bfb794 400 command (SSD1306_SETCONTRAST);
rodriguj 0:3d84b3bfb794 401 command (v);
rodriguj 0:3d84b3bfb794 402 }
rodriguj 0:3d84b3bfb794 403
rodriguj 1:c5cf4ca5939f 404 void SSD1306::cls (char *bkground, bool refresh)
rodriguj 0:3d84b3bfb794 405 {
rodriguj 0:3d84b3bfb794 406 int i;
rodriguj 1:c5cf4ca5939f 407
rodriguj 2:7f1160c1a741 408 if (!bkground) {
rodriguj 1:c5cf4ca5939f 409 for (i=0; i<1024; i++)
rodriguj 1:c5cf4ca5939f 410 fb[i] = 0;
rodriguj 2:7f1160c1a741 411 } else {
rodriguj 1:c5cf4ca5939f 412 for (i=0; i<1024; i++)
rodriguj 1:c5cf4ca5939f 413 fb[i] = bkground[i];
rodriguj 0:3d84b3bfb794 414 }
rodriguj 0:3d84b3bfb794 415 idxfb = 0;
rodriguj 1:c5cf4ca5939f 416 if (refresh)
rodriguj 2:7f1160c1a741 417 display();
rodriguj 0:3d84b3bfb794 418 }
rodriguj 0:3d84b3bfb794 419
rodriguj 1:c5cf4ca5939f 420 void SSD1306::plot (char x, char y, PlotStyle modo, bool refresh)
rodriguj 0:3d84b3bfb794 421 {
rodriguj 0:3d84b3bfb794 422 x = x % 128;
rodriguj 0:3d84b3bfb794 423 y = y % 64;
rodriguj 3:bb6fba3e84ff 424
rodriguj 2:7f1160c1a741 425 switch (modo) {
rodriguj 2:7f1160c1a741 426 case Normal:
rodriguj 2:7f1160c1a741 427 fb[(y/8)*128+x] |= (1<<(y%8));
rodriguj 2:7f1160c1a741 428 break;
rodriguj 2:7f1160c1a741 429 case Inverse:
rodriguj 2:7f1160c1a741 430 fb[(y/8)*128+x] &= ~(1<<(y%8));
rodriguj 2:7f1160c1a741 431 break;
rodriguj 2:7f1160c1a741 432 case Xor:
rodriguj 2:7f1160c1a741 433 fb[(y/8)*128+x] ^= (1<<(y%8));
rodriguj 2:7f1160c1a741 434 break;
rodriguj 0:3d84b3bfb794 435 }
rodriguj 1:c5cf4ca5939f 436 if (refresh)
rodriguj 2:7f1160c1a741 437 display();
rodriguj 0:3d84b3bfb794 438 }
rodriguj 1:c5cf4ca5939f 439
rodriguj 3:bb6fba3e84ff 440 bool SSD1306::point (char x, char y)
rodriguj 3:bb6fba3e84ff 441 {
rodriguj 3:bb6fba3e84ff 442 x = x % 128;
rodriguj 3:bb6fba3e84ff 443 y = y % 64;
rodriguj 3:bb6fba3e84ff 444
rodriguj 3:bb6fba3e84ff 445 if ( fb[(y/8)*128+x] & (1<<(y%8)) )
rodriguj 3:bb6fba3e84ff 446 return true;
rodriguj 3:bb6fba3e84ff 447 else
rodriguj 3:bb6fba3e84ff 448 return false;
rodriguj 3:bb6fba3e84ff 449 }
rodriguj 3:bb6fba3e84ff 450
rodriguj 1:c5cf4ca5939f 451 void SSD1306::line (char x0, char y0, char x1, char y1, PlotStyle modo, bool refresh)
rodriguj 1:c5cf4ca5939f 452 {
rodriguj 1:c5cf4ca5939f 453 int dx = abs (x1 - x0), sx = x0 < x1 ? 1 : -1;
rodriguj 1:c5cf4ca5939f 454 int dy = -abs (y1 - y0), sy = y0 < y1 ? 1 : -1;
rodriguj 1:c5cf4ca5939f 455 int err = dx + dy, e2; /* error value e_xy */
rodriguj 1:c5cf4ca5939f 456
rodriguj 2:7f1160c1a741 457 for (;;) {
rodriguj 2:7f1160c1a741 458 /* loop */
rodriguj 1:c5cf4ca5939f 459 plot (x0, y0, modo, false);
rodriguj 1:c5cf4ca5939f 460 if (x0 == x1 && y0 == y1) break;
rodriguj 1:c5cf4ca5939f 461 e2 = 2 * err;
rodriguj 2:7f1160c1a741 462 if (e2 >= dy) {
rodriguj 2:7f1160c1a741 463 err += dy; /* e_xy+e_x > 0 */
rodriguj 2:7f1160c1a741 464 x0 += sx;
rodriguj 2:7f1160c1a741 465 }
rodriguj 2:7f1160c1a741 466 if (e2 <= dx) {
rodriguj 2:7f1160c1a741 467 err += dx; /* e_xy+e_y < 0 */
rodriguj 2:7f1160c1a741 468 y0 += sy;
rodriguj 2:7f1160c1a741 469 }
rodriguj 1:c5cf4ca5939f 470 }
rodriguj 1:c5cf4ca5939f 471 if (refresh)
rodriguj 1:c5cf4ca5939f 472 display();
rodriguj 1:c5cf4ca5939f 473 }
rodriguj 3:bb6fba3e84ff 474
rodriguj 3:bb6fba3e84ff 475 void SSD1306::circle (char x0, char y0, char r, PlotStyle modo, bool refresh)
rodriguj 3:bb6fba3e84ff 476 {
rodriguj 3:bb6fba3e84ff 477 int x = r-1;
rodriguj 3:bb6fba3e84ff 478 int y = 0;
rodriguj 3:bb6fba3e84ff 479 int dx = 1;
rodriguj 3:bb6fba3e84ff 480 int dy = 1;
rodriguj 3:bb6fba3e84ff 481 int err = dx - 2*r;
rodriguj 3:bb6fba3e84ff 482
rodriguj 3:bb6fba3e84ff 483 while (x >= y)
rodriguj 3:bb6fba3e84ff 484 {
rodriguj 3:bb6fba3e84ff 485 plot (x0 + x, y0 + y, modo);
rodriguj 3:bb6fba3e84ff 486 plot (x0 + y, y0 + x, modo);
rodriguj 3:bb6fba3e84ff 487 plot (x0 - y, y0 + x, modo);
rodriguj 3:bb6fba3e84ff 488 plot (x0 - x, y0 + y, modo);
rodriguj 3:bb6fba3e84ff 489 plot (x0 - x, y0 - y, modo);
rodriguj 3:bb6fba3e84ff 490 plot (x0 - y, y0 - x, modo);
rodriguj 3:bb6fba3e84ff 491 plot (x0 + y, y0 - x, modo);
rodriguj 3:bb6fba3e84ff 492 plot (x0 + x, y0 - y, modo);
rodriguj 3:bb6fba3e84ff 493
rodriguj 3:bb6fba3e84ff 494 if (err <= 0)
rodriguj 3:bb6fba3e84ff 495 {
rodriguj 3:bb6fba3e84ff 496 y++;
rodriguj 3:bb6fba3e84ff 497 err += dy;
rodriguj 3:bb6fba3e84ff 498 dy += 2;
rodriguj 3:bb6fba3e84ff 499 }
rodriguj 3:bb6fba3e84ff 500 if (err > 0)
rodriguj 3:bb6fba3e84ff 501 {
rodriguj 3:bb6fba3e84ff 502 x--;
rodriguj 3:bb6fba3e84ff 503 dx += 2;
rodriguj 3:bb6fba3e84ff 504 err += dx - 2*r;
rodriguj 3:bb6fba3e84ff 505 }
rodriguj 3:bb6fba3e84ff 506 }
rodriguj 3:bb6fba3e84ff 507 if (refresh)
rodriguj 3:bb6fba3e84ff 508 display();
rodriguj 3:bb6fba3e84ff 509 }