// // ss_oled (Small, Simple OLED library) // Copyright (c) 2017-2019 BitBank Software, Inc. // Written by Larry Bank (bitbank@pobox.com) // Project started 1/15/2017 // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // #include #include #include #include "pico/stdlib.h" #include "ss_oled.h" const uint8_t ucFont[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x06,0x5f,0x5f,0x06,0x00, 0x00,0x07,0x07,0x00,0x07,0x07,0x00,0x14,0x7f,0x7f,0x14,0x7f,0x7f,0x14, 0x24,0x2e,0x2a,0x6b,0x6b,0x3a,0x12,0x46,0x66,0x30,0x18,0x0c,0x66,0x62, 0x30,0x7a,0x4f,0x5d,0x37,0x7a,0x48,0x00,0x04,0x07,0x03,0x00,0x00,0x00, 0x00,0x1c,0x3e,0x63,0x41,0x00,0x00,0x00,0x41,0x63,0x3e,0x1c,0x00,0x00, 0x08,0x2a,0x3e,0x1c,0x3e,0x2a,0x08,0x00,0x08,0x08,0x3e,0x3e,0x08,0x08, 0x00,0x00,0x80,0xe0,0x60,0x00,0x00,0x00,0x08,0x08,0x08,0x08,0x08,0x08, 0x00,0x00,0x00,0x60,0x60,0x00,0x00,0x60,0x30,0x18,0x0c,0x06,0x03,0x01, 0x3e,0x7f,0x59,0x4d,0x47,0x7f,0x3e,0x40,0x42,0x7f,0x7f,0x40,0x40,0x00, 0x62,0x73,0x59,0x49,0x6f,0x66,0x00,0x22,0x63,0x49,0x49,0x7f,0x36,0x00, 0x18,0x1c,0x16,0x53,0x7f,0x7f,0x50,0x27,0x67,0x45,0x45,0x7d,0x39,0x00, 0x3c,0x7e,0x4b,0x49,0x79,0x30,0x00,0x03,0x03,0x71,0x79,0x0f,0x07,0x00, 0x36,0x7f,0x49,0x49,0x7f,0x36,0x00,0x06,0x4f,0x49,0x69,0x3f,0x1e,0x00, 0x00,0x00,0x00,0x66,0x66,0x00,0x00,0x00,0x00,0x80,0xe6,0x66,0x00,0x00, 0x08,0x1c,0x36,0x63,0x41,0x00,0x00,0x00,0x14,0x14,0x14,0x14,0x14,0x14, 0x00,0x41,0x63,0x36,0x1c,0x08,0x00,0x00,0x02,0x03,0x59,0x5d,0x07,0x02, 0x3e,0x7f,0x41,0x5d,0x5d,0x5f,0x0e,0x7c,0x7e,0x13,0x13,0x7e,0x7c,0x00, 0x41,0x7f,0x7f,0x49,0x49,0x7f,0x36,0x1c,0x3e,0x63,0x41,0x41,0x63,0x22, 0x41,0x7f,0x7f,0x41,0x63,0x3e,0x1c,0x41,0x7f,0x7f,0x49,0x5d,0x41,0x63, 0x41,0x7f,0x7f,0x49,0x1d,0x01,0x03,0x1c,0x3e,0x63,0x41,0x51,0x33,0x72, 0x7f,0x7f,0x08,0x08,0x7f,0x7f,0x00,0x00,0x41,0x7f,0x7f,0x41,0x00,0x00, 0x30,0x70,0x40,0x41,0x7f,0x3f,0x01,0x41,0x7f,0x7f,0x08,0x1c,0x77,0x63, 0x41,0x7f,0x7f,0x41,0x40,0x60,0x70,0x7f,0x7f,0x0e,0x1c,0x0e,0x7f,0x7f, 0x7f,0x7f,0x06,0x0c,0x18,0x7f,0x7f,0x1c,0x3e,0x63,0x41,0x63,0x3e,0x1c, 0x41,0x7f,0x7f,0x49,0x09,0x0f,0x06,0x1e,0x3f,0x21,0x31,0x61,0x7f,0x5e, 0x41,0x7f,0x7f,0x09,0x19,0x7f,0x66,0x26,0x6f,0x4d,0x49,0x59,0x73,0x32, 0x03,0x41,0x7f,0x7f,0x41,0x03,0x00,0x7f,0x7f,0x40,0x40,0x7f,0x7f,0x00, 0x1f,0x3f,0x60,0x60,0x3f,0x1f,0x00,0x3f,0x7f,0x60,0x30,0x60,0x7f,0x3f, 0x63,0x77,0x1c,0x08,0x1c,0x77,0x63,0x07,0x4f,0x78,0x78,0x4f,0x07,0x00, 0x47,0x63,0x71,0x59,0x4d,0x67,0x73,0x00,0x7f,0x7f,0x41,0x41,0x00,0x00, 0x01,0x03,0x06,0x0c,0x18,0x30,0x60,0x00,0x41,0x41,0x7f,0x7f,0x00,0x00, 0x08,0x0c,0x06,0x03,0x06,0x0c,0x08,0x80,0x80,0x80,0x80,0x80,0x80,0x80, 0x00,0x00,0x03,0x07,0x04,0x00,0x00,0x20,0x74,0x54,0x54,0x3c,0x78,0x40, 0x41,0x7f,0x3f,0x48,0x48,0x78,0x30,0x38,0x7c,0x44,0x44,0x6c,0x28,0x00, 0x30,0x78,0x48,0x49,0x3f,0x7f,0x40,0x38,0x7c,0x54,0x54,0x5c,0x18,0x00, 0x48,0x7e,0x7f,0x49,0x03,0x06,0x00,0x98,0xbc,0xa4,0xa4,0xf8,0x7c,0x04, 0x41,0x7f,0x7f,0x08,0x04,0x7c,0x78,0x00,0x44,0x7d,0x7d,0x40,0x00,0x00, 0x60,0xe0,0x80,0x84,0xfd,0x7d,0x00,0x41,0x7f,0x7f,0x10,0x38,0x6c,0x44, 0x00,0x41,0x7f,0x7f,0x40,0x00,0x00,0x7c,0x7c,0x18,0x78,0x1c,0x7c,0x78, 0x7c,0x78,0x04,0x04,0x7c,0x78,0x00,0x38,0x7c,0x44,0x44,0x7c,0x38,0x00, 0x84,0xfc,0xf8,0xa4,0x24,0x3c,0x18,0x18,0x3c,0x24,0xa4,0xf8,0xfc,0x84, 0x44,0x7c,0x78,0x4c,0x04,0x0c,0x18,0x48,0x5c,0x54,0x74,0x64,0x24,0x00, 0x04,0x04,0x3e,0x7f,0x44,0x24,0x00,0x3c,0x7c,0x40,0x40,0x3c,0x7c,0x40, 0x1c,0x3c,0x60,0x60,0x3c,0x1c,0x00,0x3c,0x7c,0x60,0x30,0x60,0x7c,0x3c, 0x44,0x6c,0x38,0x10,0x38,0x6c,0x44,0x9c,0xbc,0xa0,0xa0,0xfc,0x7c,0x00, 0x4c,0x64,0x74,0x5c,0x4c,0x64,0x00,0x08,0x08,0x3e,0x77,0x41,0x41,0x00, 0x00,0x00,0x00,0x77,0x77,0x00,0x00,0x41,0x41,0x77,0x3e,0x08,0x08,0x00, 0x02,0x03,0x01,0x03,0x02,0x03,0x01,0x70,0x78,0x4c,0x46,0x4c,0x78,0x70}; const uint8_t ucBigFont[] = { 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0xfc,0xfc,0xff,0xff,0xff,0xff,0xfc,0xfc,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x3f,0x3f,0x3f,0x3f,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0x0f,0x0f,0x0f,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x0f,0x0f,0x3f,0x3f,0x00,0x00,0x00,0x00,0x3f,0x3f,0x0f,0x0f,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0xc0,0xc0,0xfc,0xfc,0xfc,0xfc,0xc0,0xc0,0xfc,0xfc,0xfc,0xfc,0xc0,0xc0,0x00,0x00, 0xc0,0xc0,0xff,0xff,0xff,0xff,0xc0,0xc0,0xff,0xff,0xff,0xff,0xc0,0xc0,0x00,0x00, 0x00,0x00,0x0f,0x0f,0x0f,0x0f,0x00,0x00,0x0f,0x0f,0x0f,0x0f,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xf0,0xf0,0xf0,0xf0,0x00,0x00,0x00,0x00,0x00,0x00, 0xfc,0xfc,0xff,0xff,0x03,0x03,0x03,0x03,0x03,0x03,0x0f,0x0f,0x3c,0x3c,0x00,0x00, 0xf0,0xf0,0xc3,0xc3,0x03,0x03,0x03,0x03,0x03,0x03,0xff,0xff,0xfc,0xfc,0x00,0x00, 0x00,0x00,0x03,0x03,0x03,0x03,0x3f,0x3f,0x3f,0x3f,0x03,0x03,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0xf0,0xf0,0xf0,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0xc0,0xf0,0xf0,0x00,0x00, 0x00,0x00,0xc0,0xc0,0xf0,0xf0,0x3c,0x3c,0x0f,0x0f,0x03,0x03,0x00,0x00,0x00,0x00, 0x0f,0x0f,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0x0f,0x0f,0x0f,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x3c,0x3c,0xff,0xff,0xc3,0xc3,0xff,0xff,0x3c,0x3c,0x00,0x00,0x00,0x00, 0xfc,0xfc,0xff,0xff,0x03,0x03,0x0f,0x0f,0xfc,0xfc,0xff,0xff,0x03,0x03,0x00,0x00, 0x03,0x03,0x0f,0x0f,0x0c,0x0c,0x0c,0x0c,0x03,0x03,0x0f,0x0f,0x0c,0x0c,0x00,0x00, 0x00,0x00,0x00,0x00,0xc0,0xc0,0xc0,0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x30,0x30,0x3f,0x3f,0x0f,0x0f,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0xf0,0xf0,0xfc,0xfc,0x0f,0x0f,0x03,0x03,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x03,0x0f,0x0f,0x0c,0x0c,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x03,0x03,0x0f,0x0f,0xfc,0xfc,0xf0,0xf0,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x0c,0x0c,0x0f,0x0f,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0xc0,0xc0,0xc0,0xc0,0x00,0x00,0x00,0x00,0xc0,0xc0,0xc0,0xc0,0x00,0x00, 0x0c,0x0c,0xcc,0xcc,0xff,0xff,0x3f,0x3f,0x3f,0x3f,0xff,0xff,0xcc,0xcc,0x0c,0x0c, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0xc0,0xc0,0xc0,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x0c,0x0c,0x0c,0x0c,0xff,0xff,0xff,0xff,0x0c,0x0c,0x0c,0x0c,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0xc0,0xc0,0xc0,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x30,0x30,0x3f,0x3f,0x0f,0x0f,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 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0x00,0x00,0x00,0x00,0x00,0x00,0xfc,0xfc,0xff,0xff,0x03,0x03,0x03,0x03,0x00,0x00, 0x00,0x00,0x03,0x03,0x03,0x03,0xff,0xff,0xfc,0xfc,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x03,0x0f,0x0f,0x0c,0x0c,0x0c,0x0c,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xfc,0xfc,0xfc,0xfc,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x0f,0x0f,0x0f,0x0f,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x03,0x03,0x03,0x03,0xff,0xff,0xfc,0xfc,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0xfc,0xfc,0xff,0xff,0x03,0x03,0x03,0x03,0x00,0x00, 0x00,0x00,0x0c,0x0c,0x0c,0x0c,0x0f,0x0f,0x03,0x03,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x0c,0x0c,0x0f,0x0f,0x03,0x03,0x0f,0x0f,0x0c,0x0c,0x0f,0x0f,0x03,0x03,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0xc0,0xc0,0xf0,0xf0,0xc0,0xc0,0x00,0x00,0x00,0x00,0x00,0x00, 0xfc,0xfc,0xff,0xff,0x03,0x03,0x00,0x00,0x03,0x03,0xff,0xff,0xfc,0xfc,0x00,0x00, 0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x03,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; // 5x7 font (in 6x8 cell) const uint8_t ucSmallFont[] = { 0x00,0x00,0x00,0x00,0x00, 0x00,0x06,0x5f,0x06,0x00, 0x07,0x03,0x00,0x07,0x03, 0x24,0x7e,0x24,0x7e,0x24, 0x24,0x2b,0x6a,0x12,0x00, 0x63,0x13,0x08,0x64,0x63, 0x36,0x49,0x56,0x20,0x50, 0x00,0x07,0x03,0x00,0x00, 0x00,0x3e,0x41,0x00,0x00, 0x00,0x41,0x3e,0x00,0x00, 0x08,0x3e,0x1c,0x3e,0x08, 0x08,0x08,0x3e,0x08,0x08, 0x00,0xe0,0x60,0x00,0x00, 0x08,0x08,0x08,0x08,0x08, 0x00,0x60,0x60,0x00,0x00, 0x20,0x10,0x08,0x04,0x02, 0x3e,0x51,0x49,0x45,0x3e, 0x00,0x42,0x7f,0x40,0x00, 0x62,0x51,0x49,0x49,0x46, 0x22,0x49,0x49,0x49,0x36, 0x18,0x14,0x12,0x7f,0x10, 0x2f,0x49,0x49,0x49,0x31, 0x3c,0x4a,0x49,0x49,0x30, 0x01,0x71,0x09,0x05,0x03, 0x36,0x49,0x49,0x49,0x36, 0x06,0x49,0x49,0x29,0x1e, 0x00,0x6c,0x6c,0x00,0x00, 0x00,0xec,0x6c,0x00,0x00, 0x08,0x14,0x22,0x41,0x00, 0x24,0x24,0x24,0x24,0x24, 0x00,0x41,0x22,0x14,0x08, 0x02,0x01,0x59,0x09,0x06, 0x3e,0x41,0x5d,0x55,0x1e, 0x7e,0x11,0x11,0x11,0x7e, 0x7f,0x49,0x49,0x49,0x36, 0x3e,0x41,0x41,0x41,0x22, 0x7f,0x41,0x41,0x41,0x3e, 0x7f,0x49,0x49,0x49,0x41, 0x7f,0x09,0x09,0x09,0x01, 0x3e,0x41,0x49,0x49,0x7a, 0x7f,0x08,0x08,0x08,0x7f, 0x00,0x41,0x7f,0x41,0x00, 0x30,0x40,0x40,0x40,0x3f, 0x7f,0x08,0x14,0x22,0x41, 0x7f,0x40,0x40,0x40,0x40, 0x7f,0x02,0x04,0x02,0x7f, 0x7f,0x02,0x04,0x08,0x7f, 0x3e,0x41,0x41,0x41,0x3e, 0x7f,0x09,0x09,0x09,0x06, 0x3e,0x41,0x51,0x21,0x5e, 0x7f,0x09,0x09,0x19,0x66, 0x26,0x49,0x49,0x49,0x32, 0x01,0x01,0x7f,0x01,0x01, 0x3f,0x40,0x40,0x40,0x3f, 0x1f,0x20,0x40,0x20,0x1f, 0x3f,0x40,0x3c,0x40,0x3f, 0x63,0x14,0x08,0x14,0x63, 0x07,0x08,0x70,0x08,0x07, 0x71,0x49,0x45,0x43,0x00, 0x00,0x7f,0x41,0x41,0x00, 0x02,0x04,0x08,0x10,0x20, 0x00,0x41,0x41,0x7f,0x00, 0x04,0x02,0x01,0x02,0x04, 0x80,0x80,0x80,0x80,0x80, 0x00,0x03,0x07,0x00,0x00, 0x20,0x54,0x54,0x54,0x78, 0x7f,0x44,0x44,0x44,0x38, 0x38,0x44,0x44,0x44,0x28, 0x38,0x44,0x44,0x44,0x7f, 0x38,0x54,0x54,0x54,0x08, 0x08,0x7e,0x09,0x09,0x00, 0x18,0xa4,0xa4,0xa4,0x7c, 0x7f,0x04,0x04,0x78,0x00, 0x00,0x00,0x7d,0x40,0x00, 0x40,0x80,0x84,0x7d,0x00, 0x7f,0x10,0x28,0x44,0x00, 0x00,0x00,0x7f,0x40,0x00, 0x7c,0x04,0x18,0x04,0x78, 0x7c,0x04,0x04,0x78,0x00, 0x38,0x44,0x44,0x44,0x38, 0xfc,0x44,0x44,0x44,0x38, 0x38,0x44,0x44,0x44,0xfc, 0x44,0x78,0x44,0x04,0x08, 0x08,0x54,0x54,0x54,0x20, 0x04,0x3e,0x44,0x24,0x00, 0x3c,0x40,0x20,0x7c,0x00, 0x1c,0x20,0x40,0x20,0x1c, 0x3c,0x60,0x30,0x60,0x3c, 0x6c,0x10,0x10,0x6c,0x00, 0x9c,0xa0,0x60,0x3c,0x00, 0x64,0x54,0x54,0x4c,0x00, 0x08,0x3e,0x41,0x41,0x00, 0x00,0x00,0x77,0x00,0x00, 0x00,0x41,0x41,0x3e,0x08, 0x02,0x01,0x02,0x01,0x00, 0x3c,0x26,0x23,0x26,0x3c}; // Initialization sequences const unsigned char oled128_initbuf[] = {0x00, 0xae,0xdc,0x00,0x81,0x40, 0xa1,0xc8,0xa8,0x7f,0xd5,0x50,0xd9,0x22,0xdb,0x35,0xb0,0xda,0x12, 0xa4,0xa6,0xaf}; const unsigned char oled64_initbuf[]={0x00,0xae,0xa8,0x3f,0xd3,0x00,0x40,0xa1,0xc8, 0xda,0x12,0x81,0xff,0xa4,0xa6,0xd5,0x80,0x8d,0x14, 0xaf,0x20,0x02}; const unsigned char oled32_initbuf[] = { 0x00,0xae,0xd5,0x80,0xa8,0x1f,0xd3,0x00,0x40,0x8d,0x14,0xa1,0xc8,0xda,0x02, 0x81,0x7f,0xd9,0xf1,0xdb,0x40,0xa4,0xa6,0xaf}; const unsigned char oled72_initbuf[]={0x00,0xae,0xa8,0x3f,0xd3,0x00,0x40,0xa1,0xc8, 0xda,0x12,0x81,0xff,0xad,0x30,0xd9,0xf1,0xa4,0xa6,0xd5,0x80,0x8d,0x14, 0xaf,0x20,0x02}; // some globals static int iCSPin, iDCPin, iResetPin; //static int iScreenOffset; // current write offset of screen data //static uint8_t *ucScreen; // backbuffer provided by the user //static int oled_wrap, oled_flip, oled_addr, oled_type; //static int iCursorX, iCursorY; //static uint8_t oled_x, oled_y; // width and height of the display //static int iSDAPin, iSCLPin; #define MAX_CACHE 32 //static byte bCache[MAX_CACHE] = {0x40}; // for faster character drawing //static byte bEnd = 1; static void oledWriteCommand(SSOLED *pOLED, unsigned char c); void InvertBytes(uint8_t *pData, uint8_t bLen); // wrapper/adapter functions to make the code work on Linux static uint8_t pgm_read_byte(uint8_t *ptr) { return *ptr; } static int16_t pgm_read_word(uint8_t *ptr) { return ptr[0] + (ptr[1]<<8); } static void _I2CWrite(SSOLED *pOLED, unsigned char *pData, int iLen) { I2CWrite(&pOLED->bbi2c, pOLED->oled_addr, pData, iLen); } /* _I2CWrite() */ #ifdef FUTURE static void oledCachedFlush(void) { _I2CWrite(bCache, bEnd); // write the old data #ifdef USE_BACKBUFFER memcpy(&ucScreen[iScreenOffset], &bCache[1], bEnd-1); iScreenOffset += (bEnd - 1); #endif bEnd = 1; } /* oledCachedFlush() */ static void oledCachedWrite(uint8_t *pData, uint8_t bLen) { if (bEnd + bLen > MAX_CACHE) // need to flush it { oledCachedFlush(); // write the old data } memcpy(&bCache[bEnd], pData, bLen); bEnd += bLen; } /* oledCachedWrite() */ #endif // FUTURE #if !defined( __AVR_ATtiny85__ ) && !defined( _LINUX_ ) // // Initialize the OLED controller for SPI mode // #ifdef FUTURE void oledSPIInit(int iType, int iDC, int iCS, int iReset, int bFlip, int bInvert, int32_t iSpeed) { uint8_t uc[32], *s; int iLen; ucScreen = NULL; // start with no backbuffer; user must provide one later iDCPin = iDC; iCSPin = iCS; iResetPin = iReset; oled_type = iType; oled_flip = bFlip; oled_wrap = 0; // default - disable text wrap pinMode(iDCPin, OUTPUT); pinMode(iCSPin, OUTPUT); digitalWrite(iCSPin, HIGH); // Reset it if (iResetPin != -1) { pinMode(iResetPin, OUTPUT); digitalWrite(iResetPin, HIGH); delay(50); digitalWrite(iResetPin, LOW); delay(50); digitalWrite(iResetPin, HIGH); delay(10); } // Initialize SPI SPI.begin(); SPI.beginTransaction(SPISettings(iSpeed, MSBFIRST, SPI_MODE0)); // SPI.setClockDivider(16); // SPI.setBitOrder(MSBFIRST); // SPI.setDataMode(SPI_MODE0); if (iType == OLED_128x32 || iType == OLED_96x16) { s = (uint8_t *)oled32_initbuf; iLen = sizeof(oled32_initbuf); } else if (iType == OLED_128x128) { s = (uint8_t *)oled128_initbuf; iLen = sizeof(oled128_initbuf); } else { s = (uint8_t *)oled64_initbuf; iLen = sizeof(oled64_initbuf); } memcpy(uc, s, iLen); // do it from RAM _I2CWrite(pOLED, s, iLen); if (bInvert) { uc[0] = 0; // command uc[1] = 0xa7; // invert command _I2CWrite(pOLED, uc, 2); } if (bFlip) // rotate display 180 { uc[0] = 0; // command uc[1] = 0xa0; _I2CWrite(pOLED, uc, 2); uc[0] = 0; uc[1] = 0xc0; _I2CWrite(pOLED, uc, 2); } } /* oledSPIInit() */ #endif #endif // // Initializes the OLED controller into "page mode" // int oledInit(SSOLED *pOLED, int iType, int iAddr, int bFlip, int bInvert, int bWire, int sda, int scl, int reset, int32_t iSpeed) { unsigned char uc[4]; int rc = OLED_NOT_FOUND; pOLED->ucScreen = NULL; // reset backbuffer; user must provide one later pOLED->oled_type = iType; pOLED->oled_flip = bFlip; pOLED->oled_wrap = 0; // default - disable text wrap #ifdef _LINUX_ pOLED->bbi2c.iBus = sda; // bus number #endif pOLED->bbi2c.bWire = bWire; pOLED->bbi2c.iSDA = sda; pOLED->bbi2c.iSCL = scl; iResetPin = reset; // Disable SPI mode code iCSPin = iDCPin = -1; I2CInit(&pOLED->bbi2c, iSpeed); // on Linux, SDA = bus number, SCL = device address // Reset it #ifdef FUTURE if (iResetPin != -1) { pinMode(iResetPin, OUTPUT); digitalWrite(iResetPin, HIGH); delay(50); digitalWrite(iResetPin, LOW); delay(50); digitalWrite(iResetPin, HIGH); delay(10); } #endif // find the device address if requested if (iAddr == -1 || iAddr == 0 || iAddr == 0xff) // find it { I2CTest(&pOLED->bbi2c, 0x3c); if (I2CTest(&pOLED->bbi2c, 0x3c)) pOLED->oled_addr = 0x3c; else if (I2CTest(&pOLED->bbi2c, 0x3d)) pOLED->oled_addr = 0x3d; else return rc; // no display found! } else { pOLED->oled_addr = iAddr; I2CTest(&pOLED->bbi2c, iAddr); if (!I2CTest(&pOLED->bbi2c, iAddr)) return rc; // no display found } // Detect the display controller (SSD1306, SH1107 or SH1106) uint8_t u = 0; I2CReadRegister(&pOLED->bbi2c, pOLED->oled_addr, 0x00, &u, 1); // read the status register u &= 0x0f; // mask off power on/off bit if (u == 0x7 || u == 0xf) // SH1107 { pOLED->oled_type = OLED_128x128; rc = OLED_SH1107_3C; bFlip = !bFlip; // SH1107 seems to have this reversed from the usual direction } else if (u == 0x8) // SH1106 { rc = OLED_SH1106_3C; pOLED->oled_type = OLED_132x64; // needs to be treated a little differently } else if (u == 3 || u == 6) // 6=128x64 display, 3=smaller { rc = OLED_SSD1306_3C; } if (pOLED->oled_addr == 0x3d) rc++; // return the '3D' version of the type if (iType == OLED_128x32 || iType == OLED_96x16) _I2CWrite(pOLED,(unsigned char *)oled32_initbuf, sizeof(oled32_initbuf)); else if (iType == OLED_128x128) _I2CWrite(pOLED,(unsigned char *)oled128_initbuf, sizeof(oled128_initbuf)); else if (iType == OLED_72x40) _I2CWrite(pOLED,(unsigned char *)oled72_initbuf, sizeof(oled72_initbuf)); else // 132x64, 128x64 and 64x32 _I2CWrite(pOLED,(unsigned char *)oled64_initbuf, sizeof(oled64_initbuf)); if (bInvert) { uc[0] = 0; // command uc[1] = 0xa7; // invert command _I2CWrite(pOLED,uc, 2); } if (bFlip) // rotate display 180 { uc[0] = 0; // command uc[1] = 0xa0; _I2CWrite(pOLED,uc, 2); uc[1] = 0xc0; _I2CWrite(pOLED,uc, 2); } pOLED->oled_x = 128; // assume 128x64 pOLED->oled_y = 64; if (iType == OLED_96x16) { pOLED->oled_x = 96; pOLED->oled_y = 16; } else if (iType == OLED_128x32) pOLED->oled_y = 32; else if (iType == OLED_128x128) pOLED->oled_y = 128; else if (iType == OLED_64x32) { pOLED->oled_x = 64; pOLED->oled_y = 32; } else if (iType == OLED_72x40) { pOLED->oled_x = 72; pOLED->oled_y = 40; } return rc; } /* oledInit() */ // // Sends a command to turn on or off the OLED display // void oledPower(SSOLED *pOLED, uint8_t bOn) { if (bOn) oledWriteCommand(pOLED, 0xaf); // turn on OLED else oledWriteCommand(pOLED, 0xae); // turn off OLED } /* oledPower() */ // Send a single byte command to the OLED controller static void oledWriteCommand(SSOLED *pOLED, unsigned char c) { unsigned char buf[2]; buf[0] = 0x00; // command introducer buf[1] = c; _I2CWrite(pOLED, buf, 2); } /* oledWriteCommand() */ static void oledWriteCommand2(SSOLED *pOLED, unsigned char c, unsigned char d) { unsigned char buf[3]; buf[0] = 0x00; buf[1] = c; buf[2] = d; _I2CWrite(pOLED, buf, 3); } /* oledWriteCommand2() */ // // Sets the brightness (0=off, 255=brightest) // void oledSetContrast(SSOLED *pOLED, unsigned char ucContrast) { oledWriteCommand2(pOLED, 0x81, ucContrast); } /* oledSetContrast() */ // // Scroll the internal buffer by 1 scanline (up/down) // width is in pixels, lines is group of 8 rows // int oledScrollBuffer(SSOLED *pOLED, int iStartCol, int iEndCol, int iStartRow, int iEndRow, int bUp) { uint8_t b, *s; int col, row; if (iStartCol < 0 || iStartCol > 127 || iEndCol < 0 || iEndCol > 127 || iStartCol > iEndCol) // invalid return -1; if (iStartRow < 0 || iStartRow > 7 || iEndRow < 0 || iEndRow > 7 || iStartRow > iEndRow) return -1; if (bUp) { for (row=iStartRow; row<=iEndRow; row++) { s = &pOLED->ucScreen[(row * 128) + iStartCol]; for (col=iStartCol; col<=iEndCol; col++) { b = *s; b >>= 1; // scroll pixels 'up' if (row < iEndRow) b |= (s[128] << 7); // capture pixel of row below, except for last row *s++ = b; } // for col } // for row } // up else // down { for (row=iEndRow; row>=iStartRow; row--) { s = &pOLED->ucScreen[(row * 128)+iStartCol]; for (col=iStartCol; col<=iEndCol; col++) { b = *s; b <<= 1; // scroll down if (row > iStartRow) b |= (s[-128] >> 7); // capture pixel of row above *s++ = b; } // for col } // for row } return 0; } /* oledScrollBuffer() */ // // Send commands to position the "cursor" (aka memory write address) // to the given row and column // static void oledSetPosition(SSOLED *pOLED, int x, int y, int bRender) { unsigned char buf[4]; pOLED->iScreenOffset = (y*128)+x; if (!bRender) return; // don't send the commands to the OLED if we're not rendering the graphics now if (pOLED->oled_type == OLED_64x32) // visible display starts at column 32, row 4 { x += 32; // display is centered in VRAM, so this is always true if (pOLED->oled_flip == 0) // non-flipped display starts from line 4 y += 4; } else if (pOLED->oled_type == OLED_132x64) // SH1106 has 128 pixels centered in 132 { x += 2; } else if (pOLED->oled_type == OLED_96x16) // visible display starts at line 2 { // mapping is a bit strange on the 96x16 OLED if (pOLED->oled_flip) x += 32; else y += 2; } else if (pOLED->oled_type == OLED_72x40) // starts at x=28,y=3 { x += 28; if (!pOLED->oled_flip) { y += 3; } } buf[0] = 0x00; // command introducer buf[1] = 0xb0 | y; // set page to Y buf[2] = x & 0xf; // lower column address buf[3] = 0x10 | (x >> 4); // upper column addr _I2CWrite(pOLED, buf, 4); } /* oledSetPosition() */ // // Write a block of pixel data to the OLED // Length can be anything from 1 to 1024 (whole display) // static void oledWriteDataBlock(SSOLED *pOLED, unsigned char *ucBuf, int iLen, int bRender) { unsigned char ucTemp[129]; ucTemp[0] = 0x40; // data command // Copying the data has the benefit in SPI mode of not letting // the original data get overwritten by the SPI.transfer() function if (bRender) { memcpy(&ucTemp[1], ucBuf, iLen); _I2CWrite(pOLED, ucTemp, iLen+1); } // Keep a copy in local buffer if (pOLED->ucScreen) { memcpy(&pOLED->ucScreen[pOLED->iScreenOffset], ucBuf, iLen); pOLED->iScreenOffset += iLen; pOLED->iScreenOffset &= 1023; // we use a fixed stride of 128 no matter what the display size } } // // Byte operands for compressing the data // The first 2 bits are the type, followed by the counts #define OP_MASK 0xc0 #define OP_SKIPCOPY 0x00 #define OP_COPYSKIP 0x40 #define OP_REPEATSKIP 0x80 #define OP_REPEAT 0xc0 // // Write a block of flash memory to the display // void oledWriteFlashBlock(SSOLED *pOLED, uint8_t *s, int iLen) { int j; int iWidthMask = pOLED->oled_x -1; int iSizeMask = ((pOLED->oled_x * pOLED->oled_y)/8) - 1; int iWidthShift = (pOLED->oled_x == 128) ? 7:6; // assume 128 or 64 wide uint8_t ucTemp[128]; while (((pOLED->iScreenOffset & iWidthMask) + iLen) >= pOLED->oled_x) // if it will hit the page end { j = pOLED->oled_x - (pOLED->iScreenOffset & iWidthMask); // amount we can write in one shot memcpy(ucTemp, s, j); oledWriteDataBlock(pOLED, ucTemp, j, 1); s += j; iLen -= j; pOLED->iScreenOffset = (pOLED->iScreenOffset + j) & iSizeMask; oledSetPosition(pOLED, pOLED->iScreenOffset & iWidthMask, (pOLED->iScreenOffset >> iWidthShift), 1); } // while it needs some help memcpy(ucTemp, s, iLen); oledWriteDataBlock(pOLED, ucTemp, iLen, 1); pOLED->iScreenOffset = (pOLED->iScreenOffset + iLen) & iSizeMask; } /* oledWriteFlashBlock() */ // // Write a repeating byte to the display // void oledRepeatByte(SSOLED *pOLED, uint8_t b, int iLen) { int j; int iWidthMask = pOLED->oled_x -1; int iWidthShift = (pOLED->oled_x == 128) ? 7:6; // assume 128 or 64 pixels wide int iSizeMask = ((pOLED->oled_x * pOLED->oled_y)/8) -1; uint8_t ucTemp[128]; memset(ucTemp, b, (iLen > 128) ? 128:iLen); while (((pOLED->iScreenOffset & iWidthMask) + iLen) >= pOLED->oled_x) // if it will hit the page end { j = pOLED->oled_x - (pOLED->iScreenOffset & iWidthMask); // amount we can write in one shot oledWriteDataBlock(pOLED, ucTemp, j, 1); iLen -= j; pOLED->iScreenOffset = (pOLED->iScreenOffset + j) & iSizeMask; oledSetPosition(pOLED, pOLED->iScreenOffset & iWidthMask, (pOLED->iScreenOffset >> iWidthShift), 1); } // while it needs some help oledWriteDataBlock(pOLED, ucTemp, iLen, 1); pOLED->iScreenOffset += iLen; } /* oledRepeatByte() */ // // Play a frame of animation data // The animation data is assumed to be encoded for a full frame of the display // Given the pointer to the start of the compressed data, // it returns the pointer to the start of the next frame // Frame rate control is up to the calling program to manage // When it finishes the last frame, it will start again from the beginning // uint8_t * oledPlayAnimFrame(SSOLED *pOLED, uint8_t *pAnimation, uint8_t *pCurrent, int iLen) { uint8_t *s; int i, j; unsigned char b, bCode; int iBufferSize = (pOLED->oled_x * pOLED->oled_y)/8; // size in bytes of the display devce int iWidthMask, iWidthShift; iWidthMask = pOLED->oled_x - 1; iWidthShift = (pOLED->oled_x == 128) ? 7:6; // 128 or 64 pixels wide if (pCurrent == NULL || pCurrent > pAnimation + iLen) return NULL; // invalid starting point s = (uint8_t *)pCurrent; // start of animation data i = 0; oledSetPosition(pOLED, 0,0,1); while (i < iBufferSize) // run one frame { bCode = pgm_read_byte(s++); switch (bCode & OP_MASK) // different compression types { case OP_SKIPCOPY: // skip/copy if (bCode == OP_SKIPCOPY) // big skip { b = pgm_read_byte(s++); i += b + 1; oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1); } else // skip/copy { if (bCode & 0x38) { i += ((bCode & 0x38) >> 3); // skip amount oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1); } if (bCode & 7) { oledWriteFlashBlock(pOLED, s, bCode & 7); s += (bCode & 7); i += bCode & 7; } } break; case OP_COPYSKIP: // copy/skip if (bCode == OP_COPYSKIP) // big copy { b = pgm_read_byte(s++); j = b + 1; oledWriteFlashBlock(pOLED, s, j); s += j; i += j; } else { j = ((bCode & 0x38) >> 3); if (j) { oledWriteFlashBlock(pOLED, s, j); s += j; i += j; } if (bCode & 7) { i += (bCode & 7); // skip oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1); } } break; case OP_REPEATSKIP: // repeat/skip j = (bCode & 0x38) >> 3; // repeat count b = pgm_read_byte(s++); oledRepeatByte(pOLED, b, j); i += j; if (bCode & 7) { i += (bCode & 7); // skip amount oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1); } break; case OP_REPEAT: j = (bCode & 0x3f) + 1; b = pgm_read_byte(s++); oledRepeatByte(pOLED, b, j); i += j; break; } // switch on code type } // while rendering a frame if (s >= pAnimation + iLen) // we've hit the end, restart from the beginning s = pAnimation; return s; // return pointer to start of next frame } /* oledPlayAnimFrame() */ // // Draw a sprite of any size in any position // If it goes beyond the left/right or top/bottom edges // it's trimmed to show the valid parts // This function requires a back buffer to be defined // The priority color (0 or 1) determines which color is painted // when a 1 is encountered in the source image. // void oledDrawSprite(SSOLED *pOLED, uint8_t *pSprite, int cx, int cy, int iPitch, int x, int y, uint8_t iPriority) { int tx, ty, dx, dy, iStartX; uint8_t *s, *d, uc, pix, ucSrcMask, ucDstMask; if (x+cx < 0 || y+cy < 0 || x >= pOLED->oled_x || y >= pOLED->oled_y || pOLED->ucScreen == NULL) return; // no backbuffer or out of bounds dy = y; // destination y if (y < 0) // skip the invisible parts { cy += y; y = -y; pSprite += (y * iPitch); dy = 0; } if (y + cy > pOLED->oled_y) cy = pOLED->oled_y - y; iStartX = 0; dx = x; if (x < 0) { cx += x; x = -x; iStartX = x; dx = 0; } if (x + cx > pOLED->oled_x) cx = pOLED->oled_x - x; for (ty=0; ty> 3]; d = &pOLED->ucScreen[(dy>>3) * pOLED->oled_x + dx]; ucSrcMask = 0x80 >> (iStartX & 7); pix = *s++; ucDstMask = 1 << (dy & 7); if (iPriority) // priority color is 1 { for (tx=0; tx>= 1; if (ucSrcMask == 0) // read next byte { ucSrcMask = 0x80; pix = *s++; } } // for tx } // priorty color 1 else { for (tx=0; tx>= 1; if (ucSrcMask == 0) // read next byte { ucSrcMask = 0x80; pix = *s++; } } // for tx } // priority color 0 dy++; pSprite += iPitch; } // for ty } /* oledDrawSprite() */ // // Draw a 16x16 tile in any of 4 rotated positions // Assumes input image is laid out like "normal" graphics with // the MSB on the left and 2 bytes per line // On AVR, the source image is assumed to be in FLASH memory // The function can draw the tile on byte boundaries, so the x value // can be from 0 to 112 and y can be from 0 to 6 // void oledDrawTile(SSOLED *pOLED, const uint8_t *pTile, int x, int y, int iRotation, int bInvert, int bRender) { uint8_t ucTemp[32]; // prepare LCD data here uint8_t i, j, k, iOffset, ucMask, uc, ucPixels; uint8_t bFlipX=0, bFlipY=0; if (x < 0 || y < 0 || y > 6 || x > 112) return; // out of bounds if (pTile == NULL) return; // bad pointer; really? :( if (iRotation == ANGLE_180 || iRotation == ANGLE_270 || iRotation == ANGLE_FLIPX) bFlipX = 1; if (iRotation == ANGLE_180 || iRotation == ANGLE_270 || iRotation == ANGLE_FLIPY) bFlipY = 1; memset(ucTemp, 0, sizeof(ucTemp)); // we only set white pixels, so start from black if (iRotation == ANGLE_0 || iRotation == ANGLE_180 || iRotation == ANGLE_FLIPX || iRotation == ANGLE_FLIPY) { for (j=0; j<16; j++) // y { for (i=0; i<16; i+=8) // x { ucPixels = pgm_read_byte((uint8_t*)pTile++); ucMask = 0x80; // MSB is the first source pixel for (k=0; k<8; k++) { if (ucPixels & ucMask) // translate the pixel { if (bFlipY) uc = 0x80 >> (j & 7); else uc = 1 << (j & 7); iOffset = i+k; if (bFlipX) iOffset = 15-iOffset; iOffset += (j & 8)<<1; // top/bottom half of output if (bFlipY) iOffset ^= 16; ucTemp[iOffset] |= uc; } ucMask >>= 1; } // for k } // for i } // for j } else // rotated 90/270 { for (j=0; j<16; j++) // y { for (i=0; i<16; i+=8) // x { ucPixels = pgm_read_byte((uint8_t*)pTile++); ucMask = 0x80; // MSB is the first source pixel for (k=0; k<8; k++) { if (ucPixels & ucMask) // translate the pixel { if (bFlipY) uc = 0x80 >> k; else uc = 1 << k; iOffset = 15-j; if (bFlipX) iOffset = 15-iOffset; iOffset += i<<1; // top/bottom half of output if (bFlipY) iOffset ^= 16; ucTemp[iOffset] |= uc; } ucMask >>= 1; } // for k } // for i } // for j } if (bInvert) InvertBytes(ucTemp, 32); // Send the data to the display oledSetPosition(pOLED, x, y, bRender); oledWriteDataBlock(pOLED, ucTemp, 16, bRender); // top half oledSetPosition(pOLED, x,y+1, bRender); oledWriteDataBlock(pOLED, &ucTemp[16], 16, bRender); // bottom half } /* oledDrawTile() */ // Set (or clear) an individual pixel // The local copy of the frame buffer is used to avoid // reading data from the display controller int oledSetPixel(SSOLED *pOLED, int x, int y, unsigned char ucColor, int bRender) { int i; unsigned char uc, ucOld; i = ((y >> 3) * 128) + x; if (i < 0 || i > 1023) // off the screen return -1; oledSetPosition(pOLED, x, y>>3, bRender); if (pOLED->ucScreen) uc = ucOld = pOLED->ucScreen[i]; else if (pOLED->oled_type == OLED_132x64 || pOLED->oled_type == OLED_128x128) // SH1106/SH1107 can read data { uint8_t ucTemp[3]; ucTemp[0] = 0x80; // one command ucTemp[1] = 0xE0; // read_modify_write ucTemp[2] = 0xC0; // one data _I2CWrite(pOLED, ucTemp, 3); // read a dummy byte followed by the data byte we want I2CRead(&pOLED->bbi2c, pOLED->oled_addr, ucTemp, 2); uc = ucOld = ucTemp[1]; // first byte is garbage } else uc = ucOld = 0; uc &= ~(0x1 << (y & 7)); if (ucColor) { uc |= (0x1 << (y & 7)); } if (uc != ucOld) // pixel changed { // oledSetPosition(x, y>>3); if (pOLED->ucScreen) { oledWriteDataBlock(pOLED, &uc, 1, bRender); pOLED->ucScreen[i] = uc; } else if (pOLED->oled_type == OLED_132x64 || pOLED->oled_type == OLED_128x128) // end the read_modify_write operation { uint8_t ucTemp[4]; ucTemp[0] = 0xc0; // one data ucTemp[1] = uc; // actual data ucTemp[2] = 0x80; // one command ucTemp[3] = 0xEE; // end read_modify_write operation _I2CWrite(pOLED, ucTemp, 4); } } return 0; } /* oledSetPixel() */ // // Invert font data // void InvertBytes(uint8_t *pData, uint8_t bLen) { uint8_t i; for (i=0; iiCursorX = x; pOLED->iCursorY = y; } /* oledSetCursor() */ // // Turn text wrap on or off for the oldWriteString() function // void oledSetTextWrap(SSOLED *pOLED, int bWrap) { pOLED->oled_wrap = bWrap; } /* oledSetTextWrap() */ // // Draw a string of normal (8x8), small (6x8) or large (16x32) characters // At the given col+row // int oledWriteString(SSOLED *pOLED, int iScroll, int x, int y, const char *szMsg, int iSize, int bInvert, int bRender) { int i, iFontOff, iLen, iFontSkip; unsigned char c, *s, ucTemp[40]; if (x == -1 || y == -1) // use the cursor position { x = pOLED->iCursorX; y = pOLED->iCursorY; } else { pOLED->iCursorX = x; pOLED->iCursorY = y; // set the new cursor position } if (pOLED->iCursorX >= pOLED->oled_x || pOLED->iCursorY >= pOLED->oled_y / 8) return -1; // can't draw off the display oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); if (iSize == FONT_8x8) // 8x8 font { i = 0; iFontSkip = iScroll & 7; // number of columns to initially skip while (pOLED->iCursorX < pOLED->oled_x && szMsg[i] != 0 && pOLED->iCursorY < pOLED->oled_y / 8) { if (iScroll < 8) // only display visible characters { c = (unsigned char)szMsg[i]; if (c != '\n') { // Do not draw the new line char iFontOff = (int)(c-32) * 7; // we can't directly use the pointer to FLASH memory, so copy to a local buffer ucTemp[0] = 0; memcpy(&ucTemp[1], &ucFont[iFontOff], 7); if (bInvert) InvertBytes(ucTemp, 8); // oledCachedWrite(ucTemp, 8); iLen = 8 - iFontSkip; if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge iLen = pOLED->oled_x - pOLED->iCursorX; oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern pOLED->iCursorX += iLen; } if ((pOLED->iCursorX >= pOLED->oled_x-7 && pOLED->oled_wrap) || c == '\n') // word wrap enabled? or new line char { pOLED->iCursorX = x; // start at the beginning of the next line pOLED->iCursorY++; oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); } iFontSkip = 0; } iScroll -= 8; i++; } // while // oledCachedFlush(); // write any remaining data return 0; } // 8x8 #ifndef __AVR__ else if (iSize == FONT_16x32) // 16x32 font { i = 0; iFontSkip = iScroll & 15; // number of columns to initially skip while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8)-3 && szMsg[i] != 0) { if (iScroll < 16) // if characters are visible { s = (unsigned char *)&ucBigFont[(unsigned char)(szMsg[i]-32)*64]; iLen = 16 - iFontSkip; if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge iLen = pOLED->oled_x - pOLED->iCursorX; // we can't directly use the pointer to FLASH memory, so copy to a local buffer oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); memcpy(ucTemp, s, 16); if (bInvert) InvertBytes(ucTemp, 16); oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY+1, bRender); memcpy(ucTemp, s+16, 16); if (bInvert) InvertBytes(ucTemp, 16); oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern if (pOLED->iCursorY <= 5) { oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY+2, bRender); memcpy(ucTemp, s+32, 16); if (bInvert) InvertBytes(ucTemp, 16); oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern } if (pOLED->iCursorY <= 4) { oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY+3, bRender); memcpy(ucTemp, s+48, 16); if (bInvert) InvertBytes(ucTemp, 16); oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern } pOLED->iCursorX += iLen; if (pOLED->iCursorX >= pOLED->oled_x-15 && pOLED->oled_wrap) // word wrap enabled? { pOLED->iCursorX = 0; // start at the beginning of the next line pOLED->iCursorY+=4; } iFontSkip = 0; } // if character visible from scrolling iScroll -= 16; i++; } // while return 0; } // 16x32 #endif // !__AVR__ else if (iSize == FONT_12x16) // 6x8 stretched to 12x16 { i = 0; iFontSkip = iScroll % 12; // number of columns to initially skip while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y/8)-1 && szMsg[i] != 0) { // stretch the 'normal' font instead of using the big font if (iScroll < 12) // if characters are visible { int tx, ty; c = szMsg[i] - 32; unsigned char uc1, uc2, ucMask, *pDest; s = (unsigned char *)&ucSmallFont[(int)c*5]; ucTemp[0] = 0; // first column is blank memcpy(&ucTemp[1], s, 6); if (bInvert) InvertBytes(ucTemp, 6); // Stretch the font to double width + double height memset(&ucTemp[6], 0, 24); // write 24 new bytes for (tx=0; tx<6; tx++) { ucMask = 3; pDest = &ucTemp[6+tx*2]; uc1 = uc2 = 0; c = ucTemp[tx]; for (ty=0; ty<4; ty++) { if (c & (1 << ty)) // a bit is set uc1 |= ucMask; if (c & (1 << (ty + 4))) uc2 |= ucMask; ucMask <<= 2; } pDest[0] = uc1; pDest[1] = uc1; // double width pDest[12] = uc2; pDest[13] = uc2; } // smooth the diagonal lines for (tx=0; tx<5; tx++) { uint8_t c0, c1, ucMask2; c0 = ucTemp[tx]; c1 = ucTemp[tx+1]; pDest = &ucTemp[6+tx*2]; ucMask = 1; ucMask2 = 2; for (ty=0; ty<7; ty++) { if (((c0 & ucMask) && !(c1 & ucMask) && !(c0 & ucMask2) && (c1 & ucMask2)) || (!(c0 & ucMask) && (c1 & ucMask) && (c0 & ucMask2) && !(c1 & ucMask2))) { if (ty < 3) // top half { pDest[1] |= (1 << ((ty * 2)+1)); pDest[2] |= (1 << ((ty * 2)+1)); pDest[1] |= (1 << ((ty+1) * 2)); pDest[2] |= (1 << ((ty+1) * 2)); } else if (ty == 3) // on the border { pDest[1] |= 0x80; pDest[2] |= 0x80; pDest[13] |= 1; pDest[14] |= 1; } else // bottom half { pDest[13] |= (1 << (2*(ty-4)+1)); pDest[14] |= (1 << (2*(ty-4)+1)); pDest[13] |= (1 << ((ty-3) * 2)); pDest[14] |= (1 << ((ty-3) * 2)); } } else if (!(c0 & ucMask) && (c1 & ucMask) && (c0 & ucMask2) && !(c1 & ucMask2)) { if (ty < 4) // top half { pDest[1] |= (1 << ((ty * 2)+1)); pDest[2] |= (1 << ((ty+1) * 2)); } else { pDest[13] |= (1 << (2*(ty-4)+1)); pDest[14] |= (1 << ((ty-3) * 2)); } } ucMask <<= 1; ucMask2 <<= 1; } } iLen = 12 - iFontSkip; if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge iLen = pOLED->oled_x - pOLED->iCursorX; oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); oledWriteDataBlock(pOLED, &ucTemp[6+iFontSkip], iLen, bRender); oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY+1, bRender); oledWriteDataBlock(pOLED, &ucTemp[18+iFontSkip], iLen, bRender); pOLED->iCursorX += iLen; if (pOLED->iCursorX >= pOLED->oled_x-11 && pOLED->oled_wrap) // word wrap enabled? { pOLED->iCursorX = 0; // start at the beginning of the next line pOLED->iCursorY += 2; oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); } iFontSkip = 0; } // if characters are visible iScroll -= 12; i++; } // while return 0; } // 12x16 else if (iSize == FONT_16x16) // 8x8 stretched to 16x16 { i = 0; iFontSkip = iScroll & 15; // number of columns to initially skip while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y/8)-1 && szMsg[i] != 0) { // stretch the 'normal' font instead of using the big font if (iScroll < 16) // if characters are visible { int tx, ty; c = szMsg[i] - 32; unsigned char uc1, uc2, ucMask, *pDest; s = (unsigned char *)&ucFont[(int)c*7]; ucTemp[0] = 0; memcpy(&ucTemp[1], s, 7); if (bInvert) InvertBytes(ucTemp, 8); // Stretch the font to double width + double height memset(&ucTemp[8], 0, 32); // write 32 new bytes for (tx=0; tx<8; tx++) { ucMask = 3; pDest = &ucTemp[8+tx*2]; uc1 = uc2 = 0; c = ucTemp[tx]; for (ty=0; ty<4; ty++) { if (c & (1 << ty)) // a bit is set uc1 |= ucMask; if (c & (1 << (ty + 4))) uc2 |= ucMask; ucMask <<= 2; } pDest[0] = uc1; pDest[1] = uc1; // double width pDest[16] = uc2; pDest[17] = uc2; } iLen = 16 - iFontSkip; if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge iLen = pOLED->oled_x - pOLED->iCursorX; oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); oledWriteDataBlock(pOLED, &ucTemp[8+iFontSkip], iLen, bRender); oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY+1, bRender); oledWriteDataBlock(pOLED, &ucTemp[24+iFontSkip], iLen, bRender); pOLED->iCursorX += iLen; if (pOLED->iCursorX >= pOLED->oled_x-15 && pOLED->oled_wrap) // word wrap enabled? { pOLED->iCursorX = 0; // start at the beginning of the next line pOLED->iCursorY += 2; oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); } iFontSkip = 0; } // if characters are visible iScroll -= 16; i++; } // while return 0; } // 16x16 else if (iSize == FONT_6x8) // 6x8 font { i = 0; iFontSkip = iScroll % 6; while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y/8) && szMsg[i] != 0) { if (iScroll < 6) // if characters are visible { c = szMsg[i] - 32; if (szMsg[i] != '\n') { // Do not draw the new line char // we can't directly use the pointer to FLASH memory, so copy to a local buffer ucTemp[0] = 0; memcpy(&ucTemp[1], &ucSmallFont[(int)c*5], 5); if (bInvert) InvertBytes(ucTemp, 6); iLen = 6 - iFontSkip; if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge iLen = pOLED->oled_x - pOLED->iCursorX; oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern // oledCachedWrite(ucTemp, 6); pOLED->iCursorX += iLen; } iFontSkip = 0; if ((pOLED->iCursorX >= pOLED->oled_x-5 && pOLED->oled_wrap) || szMsg[i] == '\n') // word wrap enabled? or newline char { pOLED->iCursorX = x; // start at the beginning of the next line pOLED->iCursorY++; oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender); } } // if characters are visible iScroll -= 6; i++; } // oledCachedFlush(); // write any remaining data return 0; } // 6x8 return -1; // invalid size } /* oledWriteString() */ // // Render a sprite/rectangle of pixels from a provided buffer to the display. // The row values refer to byte rows, not pixel rows due to the memory // layout of OLEDs. // returns 0 for success, -1 for invalid parameter // int oledDrawGFX(SSOLED *pOLED, uint8_t *pBuffer, int iSrcCol, int iSrcRow, int iDestCol, int iDestRow, int iWidth, int iHeight, int iSrcPitch) { int y; if (iSrcCol < 0 || iSrcCol > 127 || iSrcRow < 0 || iSrcRow > 7 || iDestCol < 0 || iDestCol >= pOLED->oled_x || iDestRow < 0 || iDestRow >= (pOLED->oled_y >> 3) || iSrcPitch <= 0) return -1; // invalid for (y=iSrcRow; yucScreen; if (pBuffer == NULL) // dump the internal buffer if none is given pBuffer = pOLED->ucScreen; if (pBuffer == NULL) return; // no backbuffer and no provided buffer iLines = pOLED->oled_y >> 3; iCols = pOLED->oled_x >> 4; for (y=0; yucScreen == NULL || pBuffer == pSrc || memcmp(pSrc, pBuffer, 16) != 0) // doesn't match, need to send it { if (bNeedPos) // need to reposition output cursor? { bNeedPos = 0; oledSetPosition(pOLED, x*16, y, 1); } oledWriteDataBlock(pOLED, pBuffer, 16, 1); } else { bNeedPos = 1; // we're skipping a block, so next time will need to set the new position } pSrc += 16; pBuffer += 16; } // for x pSrc += (128 - pOLED->oled_x); // for narrow displays, skip to the next line pBuffer += (128 - pOLED->oled_x); } // for y } /* oledDumpBuffer() */ // // Fill the frame buffer with a byte pattern // e.g. all off (0x00) or all on (0xff) // void oledFill(SSOLED *pOLED, unsigned char ucData, int bRender) { uint8_t x, y; uint8_t iLines, iCols; unsigned char temp[16]; iLines = pOLED->oled_y >> 3; iCols = pOLED->oled_x >> 4; memset(temp, ucData, 16); pOLED->iCursorX = pOLED->iCursorY = 0; for (y=0; yoled_type == OLED_72x40) oledWriteDataBlock(pOLED, temp, 8, bRender); } // for y if (pOLED->ucScreen) memset(pOLED->ucScreen, ucData, (pOLED->oled_x * pOLED->oled_y)/8); } /* oledFill() */ // // Provide or revoke a back buffer for your OLED graphics // This allows you to manage the RAM used by ss_oled on tiny // embedded platforms like the ATmega series // Pass NULL to revoke the buffer. Make sure you provide a buffer // large enough for your display (e.g. 128x64 needs 1K - 1024 bytes) // void oledSetBackBuffer(SSOLED *pOLED, uint8_t *pBuffer) { pOLED->ucScreen = pBuffer; } /* oledSetBackBuffer() */ void oledDrawLine(SSOLED *pOLED, int x1, int y1, int x2, int y2, int bRender) { int temp; int dx = x2 - x1; int dy = y2 - y1; int error; uint8_t *p, *pStart, mask, bOld, bNew; int xinc, yinc; int y, x; if (x1 < 0 || x2 < 0 || y1 < 0 || y2 < 0 || x1 >= pOLED->oled_x || x2 >= pOLED->oled_x || y1 >= pOLED->oled_y || y2 >= pOLED->oled_y) return; if(abs(dx) > abs(dy)) { // X major case if(x2 < x1) { dx = -dx; temp = x1; x1 = x2; x2 = temp; temp = y1; y1 = y2; y2 = temp; } y = y1; dy = (y2 - y1); error = dx >> 1; yinc = 1; if (dy < 0) { dy = -dy; yinc = -1; } p = pStart = &pOLED->ucScreen[x1 + ((y >> 3) << 7)]; // point to current spot in back buffer mask = 1 << (y & 7); // current bit offset for(x=x1; x1 <= x2; x1++) { *p++ |= mask; // set pixel and increment x pointer error -= dy; if (error < 0) { error += dx; if (yinc > 0) mask <<= 1; else mask >>= 1; if (mask == 0) // we've moved outside the current row, write the data we changed { oledSetPosition(pOLED, x, y>>3, bRender); oledWriteDataBlock(pOLED, pStart, (int)(p-pStart), bRender); // write the row we changed x = x1+1; // we've already written the byte at x1 y1 = y+yinc; p += (yinc > 0) ? 128 : -128; pStart = p; mask = 1 << (y1 & 7); } y += yinc; } } // for x1 if (p != pStart) // some data needs to be written { oledSetPosition(pOLED, x, y>>3, bRender); oledWriteDataBlock(pOLED, pStart, (int)(p-pStart), bRender); } } else { // Y major case if(y1 > y2) { dy = -dy; temp = x1; x1 = x2; x2 = temp; temp = y1; y1 = y2; y2 = temp; } p = &pOLED->ucScreen[x1 + ((y1 >> 3) * 128)]; // point to current spot in back buffer bOld = bNew = p[0]; // current data at that address mask = 1 << (y1 & 7); // current bit offset dx = (x2 - x1); error = dy >> 1; xinc = 1; if (dx < 0) { dx = -dx; xinc = -1; } for(x = x1; y1 <= y2; y1++) { bNew |= mask; // set the pixel error -= dx; mask <<= 1; // y1++ if (mask == 0) // we're done with this byte, write it if necessary { if (bOld != bNew) { p[0] = bNew; // save to RAM oledSetPosition(pOLED, x, y1>>3, bRender); oledWriteDataBlock(pOLED, &bNew, 1, bRender); } p += 128; // next line bOld = bNew = p[0]; mask = 1; // start at LSB again } if (error < 0) { error += dy; if (bOld != bNew) // write the last byte we modified if it changed { p[0] = bNew; // save to RAM oledSetPosition(pOLED, x, y1>>3, bRender); oledWriteDataBlock(pOLED, &bNew, 1, bRender); } p += xinc; x += xinc; bOld = bNew = p[0]; } } // for y if (bOld != bNew) // write the last byte we modified if it changed { p[0] = bNew; // save to RAM oledSetPosition(pOLED, x, y2>>3, bRender); oledWriteDataBlock(pOLED, &bNew, 1, bRender); } } // y major case } /* oledDrawLine() */ // // For drawing ellipses, a circle is drawn and the x and y pixels are scaled by a 16-bit integer fraction // This function draws a single pixel and scales its position based on the x/y fraction of the ellipse // static void DrawScaledPixel(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac, uint8_t ucColor) { uint8_t *d, ucMask; if (iXFrac != 0x10000) x = ((x * iXFrac) >> 16); if (iYFrac != 0x10000) y = ((y * iYFrac) >> 16); x += iCX; y += iCY; if (x < 0 || x >= pOLED->oled_x || y < 0 || y >= pOLED->oled_y) return; // off the screen d = &pOLED->ucScreen[((y >> 3)*128) + x]; ucMask = 1 << (y & 7); if (ucColor) *d |= ucMask; else *d &= ~ucMask; } /* DrawScaledPixel() */ // // For drawing filled ellipses // static void DrawScaledLine(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac, uint8_t ucColor) { int iLen, x2; uint8_t *d, ucMask; if (iXFrac != 0x10000) x = ((x * iXFrac) >> 16); if (iYFrac != 0x10000) y = ((y * iYFrac) >> 16); iLen = x*2; x = iCX - x; y += iCY; x2 = x + iLen; if (y < 0 || y >= pOLED->oled_y) return; // completely off the screen if (x < 0) x = 0; if (x2 >= pOLED->oled_x) x2 = pOLED->oled_x-1; iLen = x2 - x + 1; // new length d = &pOLED->ucScreen[((y >> 3)*128) + x]; ucMask = 1 << (y & 7); if (ucColor) // white { for (; iLen > 0; iLen--) *d++ |= ucMask; } else // black { for (; iLen > 0; iLen--) *d++ &= ~ucMask; } } /* DrawScaledLine() */ // // Draw the 8 pixels around the Bresenham circle // (scaled to make an ellipse) // static void BresenhamCircle(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac, uint8_t ucColor, uint8_t bFill) { if (bFill) // draw a filled ellipse { // for a filled ellipse, draw 4 lines instead of 8 pixels DrawScaledLine(pOLED, iCX, iCY, x, y, iXFrac, iYFrac, ucColor); DrawScaledLine(pOLED, iCX, iCY, x, -y, iXFrac, iYFrac, ucColor); DrawScaledLine(pOLED, iCX, iCY, y, x, iXFrac, iYFrac, ucColor); DrawScaledLine(pOLED, iCX, iCY, y, -x, iXFrac, iYFrac, ucColor); } else // draw 8 pixels around the edges { DrawScaledPixel(pOLED, iCX, iCY, x, y, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, -x, y, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, x, -y, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, -x, -y, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, y, x, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, -y, x, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, y, -x, iXFrac, iYFrac, ucColor); DrawScaledPixel(pOLED, iCX, iCY, -y, -x, iXFrac, iYFrac, ucColor); } } /* BresenhamCircle() */ // // Draw an outline or filled ellipse // void oledEllipse(SSOLED *pOLED, int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor, uint8_t bFilled) { int32_t iXFrac, iYFrac; int iRadius, iDelta, x, y; if (pOLED == NULL || pOLED->ucScreen == NULL) return; // must have back buffer defined if (iRadiusX <= 0 || iRadiusY <= 0) return; // invalid radii if (iRadiusX > iRadiusY) // use X as the primary radius { iRadius = iRadiusX; iXFrac = 65536; iYFrac = (iRadiusY * 65536) / iRadiusX; } else { iRadius = iRadiusY; iXFrac = (iRadiusX * 65536) / iRadiusY; iYFrac = 65536; } iDelta = 3 - (2 * iRadius); x = 0; y = iRadius; while (x <= y) { BresenhamCircle(pOLED, iCenterX, iCenterY, x, y, iXFrac, iYFrac, ucColor, bFilled); x++; if (iDelta < 0) { iDelta += (4*x) + 6; } else { iDelta += 4 * (x-y) + 10; y--; } } } /* oledEllipse() */ // // Draw an outline or filled rectangle // void oledRectangle(SSOLED *pOLED, int x1, int y1, int x2, int y2, uint8_t ucColor, uint8_t bFilled) { uint8_t *d, ucMask, ucMask2; int tmp, iOff; if (pOLED == NULL || pOLED->ucScreen == NULL) return; // only works with a back buffer if (x1 < 0 || y1 < 0 || x2 < 0 || y2 < 0 || x1 >= pOLED->oled_x || y1 >= pOLED->oled_y || x2 >= pOLED->oled_x || y2 >= pOLED->oled_y) return; // invalid coordinates // Make sure that X1/Y1 is above and to the left of X2/Y2 // swap coordinates as needed to make this true if (x2 < x1) { tmp = x1; x1 = x2; x2 = tmp; } if (y2 < y1) { tmp = y1; y1 = y2; y2 = tmp; } if (bFilled) { int x, y, iMiddle; iMiddle = (y2 >> 3) - (y1 >> 3); ucMask = 0xff << (y1 & 7); if (iMiddle == 0) // top and bottom lines are in the same row ucMask &= (0xff >> (7-(y2 & 7))); d = &pOLED->ucScreen[(y1 >> 3)*128 + x1]; // Draw top for (x = x1; x <= x2; x++) { if (ucColor) *d |= ucMask; else *d &= ~ucMask; d++; } if (iMiddle > 1) // need to draw middle part { ucMask = (ucColor) ? 0xff : 0x00; for (y=1; yucScreen[(y1 >> 3)*128 + x1 + (y*128)]; for (x = x1; x <= x2; x++) *d++ = ucMask; } } if (iMiddle >= 1) // need to draw bottom part { ucMask = 0xff >> (7-(y2 & 7)); d = &pOLED->ucScreen[(y2 >> 3)*128 + x1]; for (x = x1; x <= x2; x++) { if (ucColor) *d++ |= ucMask; else *d++ &= ~ucMask; } } } else // outline { // see if top and bottom lines are within the same byte rows d = &pOLED->ucScreen[(y1 >> 3)*128 + x1]; if ((y1 >> 3) == (y2 >> 3)) { ucMask2 = 0xff << (y1 & 7); // L/R end masks ucMask = 1 << (y1 & 7); ucMask |= 1 << (y2 & 7); ucMask2 &= (0xff >> (7-(y2 & 7))); if (ucColor) { *d++ |= ucMask2; // start x1++; for (; x1 < x2; x1++) *d++ |= ucMask; if (x1 <= x2) *d++ |= ucMask2; // right edge } else { *d++ &= ~ucMask2; x1++; for (; x1 < x2; x1++) *d++ &= ~ucMask; if (x1 <= x2) *d++ &= ~ucMask2; // right edge } } else { int y; // L/R sides iOff = (x2 - x1); ucMask = 1 << (y1 & 7); for (y=y1; y <= y2; y++) { if (ucColor) { *d |= ucMask; d[iOff] |= ucMask; } else { *d &= ~ucMask; d[iOff] &= ~ucMask; } ucMask <<= 1; if (ucMask == 0) { ucMask = 1; d += 128; } } // T/B sides ucMask = 1 << (y1 & 7); ucMask2 = 1 << (y2 & 7); x1++; d = &pOLED->ucScreen[(y1 >> 3)*128 + x1]; iOff = (y2 >> 3) - (y1 >> 3); iOff *= 128; for (; x1 < x2; x1++) { if (ucColor) { *d |= ucMask; d[iOff] |= ucMask2; } else { *d &= ~ucMask; d[iOff] &= ~ucMask2; } d++; } } } // outline } /* oledRectangle() */