/* * Copyright (c) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include #include #include "hi_time.h" #include "iot_i2c.h" #include "ohos_init.h" #include "cmsis_os2.h" #include "iot_gpio.h" #include "hi_gpio.h" #include "ssd1306_oled.h" #include "app_demo_multi_sample.h" #include "ssd1306_oled.h" #define I2C_REG_ARRAY_LEN (64) #define OLED_SEND_BUFF_LEN (28) #define OLED_SEND_BUFF_LEN2 (25) #define OLED_SEND_BUFF_LEN3 (27) #define OLED_SEND_BUFF_LEN4 (29) #define MAX_COLUM (128) #define OLED_DEMO_TASK_STAK_SIZE (1024 * 2) #define OLED_DEMO_TASK_PRIORITY (25) #define OLED_DISPLAY_INTERVAL_TIME (1) #define SEND_CMD_LEN (2) #define CHAR_SIZE 16 #define Y_PIXEL_POINT 16 #define X_PIXEL_POINT 8 #define X_REMAINING_PIXELS 6 #define X_PIXEL_POINT_POSITION_120 (120) #define Y_LINES_PIXEL_2 (2) #define X_COLUMNS_PIXEL_8 (8) /* 6*8的点阵 */ static const unsigned char f6X8[][6] = { { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp { 0x00, 0x00, 0x00, 0x2f, 0x00, 0x00 }, // ! { 0x00, 0x00, 0x07, 0x00, 0x07, 0x00 }, // " { 0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // # { 0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $ { 0x00, 0x62, 0x64, 0x08, 0x13, 0x23 }, // % { 0x00, 0x36, 0x49, 0x55, 0x22, 0x50 }, // & { 0x00, 0x00, 0x05, 0x03, 0x00, 0x00 }, // ' { 0x00, 0x00, 0x1c, 0x22, 0x41, 0x00 }, // ( { 0x00, 0x00, 0x41, 0x22, 0x1c, 0x00 }, // ) { 0x00, 0x14, 0x08, 0x3E, 0x08, 0x14 }, // * { 0x00, 0x08, 0x08, 0x3E, 0x08, 0x08 }, // + { 0x00, 0x00, 0x00, 0xA0, 0x60, 0x00 }, // , { 0x00, 0x08, 0x08, 0x08, 0x08, 0x08 }, // - { 0x00, 0x00, 0x60, 0x60, 0x00, 0x00 }, // . { 0x00, 0x20, 0x10, 0x08, 0x04, 0x02 }, // / { 0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0 { 0x00, 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1 { 0x00, 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2 { 0x00, 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3 { 0x00, 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4 { 0x00, 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5 { 0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6 { 0x00, 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7 { 0x00, 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8 { 0x00, 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9 { 0x00, 0x00, 0x36, 0x36, 0x00, 0x00 }, // : { 0x00, 0x00, 0x56, 0x36, 0x00, 0x00 }, // ;号 { 0x00, 0x08, 0x14, 0x22, 0x41, 0x00 }, // < { 0x00, 0x14, 0x14, 0x14, 0x14, 0x14 }, // = { 0x00, 0x00, 0x41, 0x22, 0x14, 0x08 }, // > { 0x00, 0x02, 0x01, 0x51, 0x09, 0x06 }, // ? { 0x00, 0x32, 0x49, 0x59, 0x51, 0x3E }, // @ { 0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C }, // A { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C { 0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D { 0x00, 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F { 0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G { 0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H { 0x00, 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I { 0x00, 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J { 0x00, 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K { 0x00, 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L { 0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M { 0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N { 0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O { 0x00, 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P { 0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q { 0x00, 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R { 0x00, 0x46, 0x49, 0x49, 0x49, 0x31 }, // S { 0x00, 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T { 0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U { 0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V { 0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W { 0x00, 0x63, 0x14, 0x08, 0x14, 0x63 }, // X { 0x00, 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y { 0x00, 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z { 0x00, 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [ { 0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // 55 { 0x00, 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ] { 0x00, 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^ { 0x00, 0x40, 0x40, 0x40, 0x40, 0x40 }, // _ { 0x00, 0x00, 0x01, 0x02, 0x04, 0x00 }, // ' { 0x00, 0x20, 0x54, 0x54, 0x54, 0x78 }, // a { 0x00, 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b { 0x00, 0x38, 0x44, 0x44, 0x44, 0x20 }, // c { 0x00, 0x38, 0x44, 0x44, 0x48, 0x7F }, // d { 0x00, 0x38, 0x54, 0x54, 0x54, 0x18 }, // e { 0x00, 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f { 0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C }, // g { 0x00, 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h { 0x00, 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i { 0x00, 0x40, 0x80, 0x84, 0x7D, 0x00 }, // j { 0x00, 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k { 0x00, 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l { 0x00, 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n { 0x00, 0x38, 0x44, 0x44, 0x44, 0x38 }, // o { 0x00, 0xFC, 0x24, 0x24, 0x24, 0x18 }, // p { 0x00, 0x18, 0x24, 0x24, 0x18, 0xFC }, // q { 0x00, 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r { 0x00, 0x48, 0x54, 0x54, 0x54, 0x20 }, // s { 0x00, 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t { 0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u { 0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v { 0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w { 0x00, 0x44, 0x28, 0x10, 0x28, 0x44 }, // x { 0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C }, // y { 0x00, 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z { 0x14, 0x14, 0x14, 0x14, 0x14, 0x14 }, // horiz lines }; /* 8*16的点阵 */ static const unsigned char f8X16[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // 0 0x00, 0x00, 0x00, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x33, 0x30, 0x00, 0x00, 0x00, // ! 1 0x00, 0x10, 0x0C, 0x06, 0x10, 0x0C, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // " 2 0x40, 0xC0, 0x78, 0x40, 0xC0, 0x78, 0x40, 0x00, 0x04, 0x3F, 0x04, 0x04, 0x3F, 0x04, 0x04, 0x00, // # 3 0x00, 0x70, 0x88, 0xFC, 0x08, 0x30, 0x00, 0x00, 0x00, 0x18, 0x20, 0xFF, 0x21, 0x1E, 0x00, 0x00, // $ 4 0xF0, 0x08, 0xF0, 0x00, 0xE0, 0x18, 0x00, 0x00, 0x00, 0x21, 0x1C, 0x03, 0x1E, 0x21, 0x1E, 0x00, // % 5 0x00, 0xF0, 0x08, 0x88, 0x70, 0x00, 0x00, 0x00, 0x1E, 0x21, 0x23, 0x24, 0x19, 0x27, 0x21, 0x10, // & 6 0x10, 0x16, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ' 7 0x00, 0x00, 0x00, 0xE0, 0x18, 0x04, 0x02, 0x00, 0x00, 0x00, 0x00, 0x07, 0x18, 0x20, 0x40, 0x00, // ( 8 0x00, 0x02, 0x04, 0x18, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x40, 0x20, 0x18, 0x07, 0x00, 0x00, 0x00, // ) 9 0x40, 0x40, 0x80, 0xF0, 0x80, 0x40, 0x40, 0x00, 0x02, 0x02, 0x01, 0x0F, 0x01, 0x02, 0x02, 0x00, // * 10 0x00, 0x00, 0x00, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x1F, 0x01, 0x01, 0x01, 0x00, // + 11 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xB0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, // , 12 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, // - 13 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, // . 14 0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x18, 0x04, 0x00, 0x60, 0x18, 0x06, 0x01, 0x00, 0x00, 0x00, // / 15 0x00, 0xE0, 0x10, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x0F, 0x10, 0x20, 0x20, 0x10, 0x0F, 0x00, // 0 16 0x00, 0x10, 0x10, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // 1 17 0x00, 0x70, 0x08, 0x08, 0x08, 0x88, 0x70, 0x00, 0x00, 0x30, 0x28, 0x24, 0x22, 0x21, 0x30, 0x00, // 2 18 0x00, 0x30, 0x08, 0x88, 0x88, 0x48, 0x30, 0x00, 0x00, 0x18, 0x20, 0x20, 0x20, 0x11, 0x0E, 0x00, // 3 19 0x00, 0x00, 0xC0, 0x20, 0x10, 0xF8, 0x00, 0x00, 0x00, 0x07, 0x04, 0x24, 0x24, 0x3F, 0x24, 0x00, // 4 20 0x00, 0xF8, 0x08, 0x88, 0x88, 0x08, 0x08, 0x00, 0x00, 0x19, 0x21, 0x20, 0x20, 0x11, 0x0E, 0x00, // 5 21 0x00, 0xE0, 0x10, 0x88, 0x88, 0x18, 0x00, 0x00, 0x00, 0x0F, 0x11, 0x20, 0x20, 0x11, 0x0E, 0x00, // 6 22 0x00, 0x38, 0x08, 0x08, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00, // 7 23 0x00, 0x70, 0x88, 0x08, 0x08, 0x88, 0x70, 0x00, 0x00, 0x1C, 0x22, 0x21, 0x21, 0x22, 0x1C, 0x00, // 8 24 0x00, 0xE0, 0x10, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x00, 0x00, 0x31, 0x22, 0x22, 0x11, 0x0F, 0x00, // 9 25 0x00, 0x00, 0x00, 0xC0, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, // : 26 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x60, 0x00, 0x00, 0x00, 0x00, // ;号 27 0x00, 0x00, 0x80, 0x40, 0x20, 0x10, 0x08, 0x00, 0x00, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x00, // < 28 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x00, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00, // = 29 0x00, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01, 0x00, // > 30 0x00, 0x70, 0x48, 0x08, 0x08, 0x08, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x30, 0x36, 0x01, 0x00, 0x00, // ? 31 0xC0, 0x30, 0xC8, 0x28, 0xE8, 0x10, 0xE0, 0x00, 0x07, 0x18, 0x27, 0x24, 0x23, 0x14, 0x0B, 0x00, // @ 32 0x00, 0x00, 0xC0, 0x38, 0xE0, 0x00, 0x00, 0x00, 0x20, 0x3C, 0x23, 0x02, 0x02, 0x27, 0x38, 0x20, // A 33 0x08, 0xF8, 0x88, 0x88, 0x88, 0x70, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x11, 0x0E, 0x00, // B 34 0xC0, 0x30, 0x08, 0x08, 0x08, 0x08, 0x38, 0x00, 0x07, 0x18, 0x20, 0x20, 0x20, 0x10, 0x08, 0x00, // C 35 0x08, 0xF8, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x10, 0x0F, 0x00, // D 36 0x08, 0xF8, 0x88, 0x88, 0xE8, 0x08, 0x10, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x23, 0x20, 0x18, 0x00, // E 37 0x08, 0xF8, 0x88, 0x88, 0xE8, 0x08, 0x10, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x03, 0x00, 0x00, 0x00, // F 38 0xC0, 0x30, 0x08, 0x08, 0x08, 0x38, 0x00, 0x00, 0x07, 0x18, 0x20, 0x20, 0x22, 0x1E, 0x02, 0x00, // G 39 0x08, 0xF8, 0x08, 0x00, 0x00, 0x08, 0xF8, 0x08, 0x20, 0x3F, 0x21, 0x01, 0x01, 0x21, 0x3F, 0x20, // H 40 0x00, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // I 41 0x00, 0x00, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x00, 0xC0, 0x80, 0x80, 0x80, 0x7F, 0x00, 0x00, 0x00, // J 42 0x08, 0xF8, 0x88, 0xC0, 0x28, 0x18, 0x08, 0x00, 0x20, 0x3F, 0x20, 0x01, 0x26, 0x38, 0x20, 0x00, // K 43 0x08, 0xF8, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x20, 0x20, 0x20, 0x30, 0x00, // L 44 0x08, 0xF8, 0xF8, 0x00, 0xF8, 0xF8, 0x08, 0x00, 0x20, 0x3F, 0x00, 0x3F, 0x00, 0x3F, 0x20, 0x00, // M 45 0x08, 0xF8, 0x30, 0xC0, 0x00, 0x08, 0xF8, 0x08, 0x20, 0x3F, 0x20, 0x00, 0x07, 0x18, 0x3F, 0x00, // N 46 0xE0, 0x10, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x0F, 0x10, 0x20, 0x20, 0x20, 0x10, 0x0F, 0x00, // O 47 0x08, 0xF8, 0x08, 0x08, 0x08, 0x08, 0xF0, 0x00, 0x20, 0x3F, 0x21, 0x01, 0x01, 0x01, 0x00, 0x00, // P 48 0xE0, 0x10, 0x08, 0x08, 0x08, 0x10, 0xE0, 0x00, 0x0F, 0x18, 0x24, 0x24, 0x38, 0x50, 0x4F, 0x00, // Q 49 0x08, 0xF8, 0x88, 0x88, 0x88, 0x88, 0x70, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x03, 0x0C, 0x30, 0x20, // R 50 0x00, 0x70, 0x88, 0x08, 0x08, 0x08, 0x38, 0x00, 0x00, 0x38, 0x20, 0x21, 0x21, 0x22, 0x1C, 0x00, // S 51 0x18, 0x08, 0x08, 0xF8, 0x08, 0x08, 0x18, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x00, 0x00, // T 52 0x08, 0xF8, 0x08, 0x00, 0x00, 0x08, 0xF8, 0x08, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x20, 0x1F, 0x00, // U 53 0x08, 0x78, 0x88, 0x00, 0x00, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x07, 0x38, 0x0E, 0x01, 0x00, 0x00, // V 54 0xF8, 0x08, 0x00, 0xF8, 0x00, 0x08, 0xF8, 0x00, 0x03, 0x3C, 0x07, 0x00, 0x07, 0x3C, 0x03, 0x00, // W 55 0x08, 0x18, 0x68, 0x80, 0x80, 0x68, 0x18, 0x08, 0x20, 0x30, 0x2C, 0x03, 0x03, 0x2C, 0x30, 0x20, // X 56 0x08, 0x38, 0xC8, 0x00, 0xC8, 0x38, 0x08, 0x00, 0x00, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x00, 0x00, // Y 57 0x10, 0x08, 0x08, 0x08, 0xC8, 0x38, 0x08, 0x00, 0x20, 0x38, 0x26, 0x21, 0x20, 0x20, 0x18, 0x00, // Z 58 0x00, 0x00, 0x00, 0xFE, 0x02, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x7F, 0x40, 0x40, 0x40, 0x00, // [ 59 0x00, 0x0C, 0x30, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x06, 0x38, 0xC0, 0x00, // \ 60 0x00, 0x02, 0x02, 0x02, 0xFE, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x40, 0x7F, 0x00, 0x00, 0x00, // ] 61 0x00, 0x00, 0x04, 0x02, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ^ 62 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, // _ 63 0x00, 0x02, 0x02, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ` 64 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x19, 0x24, 0x22, 0x22, 0x22, 0x3F, 0x20, // a 65 0x08, 0xF8, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x11, 0x20, 0x20, 0x11, 0x0E, 0x00, // b 66 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0x20, 0x11, 0x00, // c 67 0x00, 0x00, 0x00, 0x80, 0x80, 0x88, 0xF8, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0x10, 0x3F, 0x20, // d 68 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x22, 0x22, 0x22, 0x22, 0x13, 0x00, // e 69 0x00, 0x80, 0x80, 0xF0, 0x88, 0x88, 0x88, 0x18, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // f 70 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x6B, 0x94, 0x94, 0x94, 0x93, 0x60, 0x00, // g 71 0x08, 0xF8, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x3F, 0x21, 0x00, 0x00, 0x20, 0x3F, 0x20, // h 72 0x00, 0x80, 0x98, 0x98, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // i 73 0x00, 0x00, 0x00, 0x80, 0x98, 0x98, 0x00, 0x00, 0x00, 0xC0, 0x80, 0x80, 0x80, 0x7F, 0x00, 0x00, // j 74 0x08, 0xF8, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x20, 0x3F, 0x24, 0x02, 0x2D, 0x30, 0x20, 0x00, // k 75 0x00, 0x08, 0x08, 0xF8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x20, 0x3F, 0x20, 0x20, 0x00, 0x00, // l 76 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x20, 0x3F, 0x20, 0x00, 0x3F, 0x20, 0x00, 0x3F, // m 77 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x3F, 0x21, 0x00, 0x00, 0x20, 0x3F, 0x20, // n 78 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x20, 0x1F, 0x00, // o 79 0x80, 0x80, 0x00, 0x80, 0x80, 0x00, 0x00, 0x00, 0x80, 0xFF, 0xA1, 0x20, 0x20, 0x11, 0x0E, 0x00, // p 80 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x0E, 0x11, 0x20, 0x20, 0xA0, 0xFF, 0x80, // q 81 0x80, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x20, 0x20, 0x3F, 0x21, 0x20, 0x00, 0x01, 0x00, // r 82 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x33, 0x24, 0x24, 0x24, 0x24, 0x19, 0x00, // s 83 0x00, 0x80, 0x80, 0xE0, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x00, 0x00, // t 84 0x80, 0x80, 0x00, 0x00, 0x00, 0x80, 0x80, 0x00, 0x00, 0x1F, 0x20, 0x20, 0x20, 0x10, 0x3F, 0x20, // u 85 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x80, 0x00, 0x01, 0x0E, 0x30, 0x08, 0x06, 0x01, 0x00, // v 86 0x80, 0x80, 0x00, 0x80, 0x00, 0x80, 0x80, 0x80, 0x0F, 0x30, 0x0C, 0x03, 0x0C, 0x30, 0x0F, 0x00, // w 87 0x00, 0x80, 0x80, 0x00, 0x80, 0x80, 0x80, 0x00, 0x00, 0x20, 0x31, 0x2E, 0x0E, 0x31, 0x20, 0x00, // x 88 0x80, 0x80, 0x80, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x81, 0x8E, 0x70, 0x18, 0x06, 0x01, 0x00, // y 89 0x00, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80, 0x00, 0x00, 0x21, 0x30, 0x2C, 0x22, 0x21, 0x30, 0x00, // z 90 0x00, 0x00, 0x00, 0x00, 0x80, 0x7C, 0x02, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0x40, 0x40, // { 91 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, // | 92 0x00, 0x02, 0x02, 0x7C, 0x80, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0x3F, 0x00, 0x00, 0x00, 0x00, // } 93 0x00, 0x06, 0x01, 0x01, 0x02, 0x02, 0x04, 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // ~ 94 }; /* * @bref 向ssd1306 屏幕寄存器写入命令 * status 0：表示写入成功，否则失败 */ static unsigned int I2cWriteByte(unsigned char regAddr, unsigned char cmd) { unsigned int status; unsigned char sendLen = 2; unsigned char userData = cmd; IotI2cData oledI2cCmd = { 0 }; IotI2cData oledI2cWriteCmd = { 0 }; unsigned char sendUserCmd [SEND_CMD_LEN] = {OLED_ADDRESS_WRITE_CMD, userData}; unsigned char sendUserData [SEND_CMD_LEN] = {OLED_ADDRESS_WRITE_DATA, userData}; /* 如果是写命令，发写命令地址0x00 */ if (regAddr == OLED_ADDRESS_WRITE_CMD) { oledI2cWriteCmd.sendBuf = sendUserCmd; oledI2cWriteCmd.sendLen = sendLen; status = IoTI2cWrite(IOT_I2C_IDX_0, OLED_ADDRESS, oledI2cWriteCmd.sendBuf, oledI2cWriteCmd.sendLen); if (status != 0) { return status; } } else if (regAddr == OLED_ADDRESS_WRITE_DATA) { oledI2cCmd.sendBuf = sendUserData; oledI2cCmd.sendLen = sendLen; status = IoTI2cWrite(IOT_I2C_IDX_0, OLED_ADDRESS, oledI2cCmd.sendBuf, oledI2cCmd.sendLen); if (status != 0) { return status; } } return 0; } /* 写命令操作 */ static unsigned int WriteCmd(unsigned char cmd) // 写命令 { unsigned char status; /* 写设备地址 */ status = I2cWriteByte(OLED_ADDRESS_WRITE_CMD, cmd); if (status != 0) { return -1; } } /* 写数据操作 */ static unsigned int WriteData(unsigned char i2cData) // 写数据 { unsigned char status; /* 写设备地址 */ status = I2cWriteByte(OLED_ADDRESS_WRITE_DATA, i2cData); if (status != 0) { return -1; } } static int SetOledAddress(void) { int status; status = WriteCmd(DISPLAY_OFF); // --display off if (status != 0) { return -1; } status = WriteCmd(SET_LOW_COLUMN_ADDRESS); // ---set low column address if (status != 0) { return -1; } status = WriteCmd(SET_HIGH_COLUMN_ADDRESS); // ---set high column address if (status != 0) { return -1; } status = WriteCmd(SET_START_LINE_ADDRESS); // --set start line address if (status != 0) { return -1; } status = WriteCmd(SET_PAGE_ADDRESS); // --set page address if (status != 0) { return -1; } return 0; } static int SetOledControlCmd(void) { int status; status = WriteCmd(CONTRACT_CONTROL); // contract control if (status != 0) { return -1; } status = WriteCmd(FULL_SCREEN); // --128 if (status != 0) { return -1; } status = WriteCmd(SET_SEGMENT_REMAP); // set segment remap if (status != 0) { return -1; } status = WriteCmd(NORMAL); // --normal / reverse if (status != 0) { return -1; } return 0; } static int SetOledScanDisplayCmd(void) { int status; status = WriteCmd(SET_MULTIPLEX); // --set multiplex ratio(1 to 64) if (status != 0) { return -1; } status = WriteCmd(DUTY); // --1/32 duty if (status != 0) { return -1; } status = WriteCmd(SCAN_DIRECTION); // Com scan direction if (status != 0) { return -1; } status = WriteCmd(DISPLAY_OFFSET); // -set display offset if (status != 0) { return -1; } status = WriteCmd(DISPLAY_TYPE); if (status != 0) { return -1; } status = WriteCmd(OSC_DIVISION); // set osc division if (status != 0) { return -1; } status = WriteCmd(DIVISION); if (status != 0) { return -1; } return 0; } static int SetOledColorPreChargeCmd(void) { int status; status = WriteCmd(COLOR_MODE_OFF); // set area color mode off if (status != 0) { return -1; } status = WriteCmd(COLOR); if (status != 0) { return -1; } status = WriteCmd(PRE_CHARGE_PERIOD); // Set Pre-Charge Period if (status != 0) { return -1; } status = WriteCmd(PERIOD); if (status != 0) { return -1; } status = WriteCmd(PIN_CONFIGURATION); // set com pin configuartion if (status != 0) { return -1; } status = WriteCmd(CONFIGURATION); if (status != 0) { return -1; } return 0; } static int SetOledVcomhChargePumpCmd(void) { int status; status = WriteCmd(SET_VCOMH); // set Vcomh if (status != 0) { return -1; } status = WriteCmd(VCOMH); if (status != 0) { return -1; } status = WriteCmd(SET_CHARGE_PUMP_ENABLE); // set charge pump enable if (status != 0) { return -1; } status = WriteCmd(PUMP_ENABLE); if (status != 0) { return -1; } status = WriteCmd(TURN_ON_OLED_PANEL); // --turn on oled panel if (status != 0) { return -1; } return 0; } /* ssd1306 oled 初始化 */ unsigned int OledInit(void) { unsigned int status; hi_udelay(DELAY_100_MS); // 100ms 这里的延时很重要 status = SetOledAddress(); if (status != 0) { return -1; } status = SetOledControlCmd(); if (status != 0) { return -1; } status = SetOledScanDisplayCmd(); if (status != 0) { return -1; } status = SetOledColorPreChargeCmd(); if (status != 0) { return -1; } status = SetOledVcomhChargePumpCmd(); if (status != 0) { return -1; } return 0; } /* * @bref set start position 设置起始点坐标 * @param unsigned char x:write start from x axis * unsigned char y:write start from y axis */ void OledSetPosition(unsigned char x, unsigned char y) { WriteCmd(0xb0 + y); /* send 0xb0 +y */ WriteCmd(((x & 0xf0) >> 4) | 0x10); /* 设置起点坐标0x10，4 */ WriteCmd(x & 0x0f); /* send x & 0x0f */ } /* 全屏填充 */ #define Y_PIXEL_POINT_MAX (128) #define X_PIXEL_8 (8) void OledFillScreen(unsigned char fiiData) { for (unsigned char m = 0; m < X_PIXEL_8; m++) { /* 从OLED 的第0行开始，填充屏幕 */ WriteCmd(0xb0 + m); /* 0xb0 */ WriteCmd(0x00); /* 0x00 */ WriteCmd(0x10); /* 0x10 */ for (unsigned char n = 0; n < Y_PIXEL_POINT_MAX; n++) { /* 从OLED的第0列个像素点开始填充屏幕 */ WriteData(fiiData); } } } /* * bref: Clear from a location * fill_data: write data to screen register * line:write positon start from Y axis * pos :write positon start from x axis * len:write data len */ void OledPositionCleanScreen(unsigned char fillData, unsigned char line, unsigned char pos, unsigned char len) { unsigned char m = line; WriteCmd(0xb0 + m); /* 0xb0 */ WriteCmd(0x00); /* 0x00 */ WriteCmd(0x10); /* 0x10 */ for (unsigned char n = pos; n < len; n++) { WriteData(fillData); } } /* * bref: 8*16 typeface * x:write positon start from x axis * y:write positon start from y axis * chr:write data * char_size:select typeface */ void OledShowChar(unsigned char x, unsigned char y, unsigned char chr, unsigned char charSize) { unsigned char c = chr - ' '; // 得到偏移后的值 unsigned char xPosition = x; unsigned char yPosition = y; if (xPosition > MAX_COLUM - 1) { xPosition = 0; yPosition = yPosition + Y_LINES_PIXEL_2; /* 每2行写 */ } if (charSize == CHAR_SIZE) { /* 当要写入的字为两个字节 */ OledSetPosition(xPosition, yPosition); for (unsigned char i = 0; i < X_PIXEL_POINT; i++) { /* 从OLED的第0列个像素点开始 */ WriteData(f8X16[c * Y_PIXEL_POINT + i]); /* 16,8 */ } OledSetPosition(xPosition, yPosition + 1); for (unsigned char j = 0; j < X_PIXEL_POINT; j++) { /* 从OLED的第0列个像素点开始 */ WriteData(f8X16[c * Y_PIXEL_POINT + j + X_PIXEL_POINT]); /* 16,8 */ } } else { OledSetPosition(xPosition, yPosition); for (unsigned char k = 0; k < X_REMAINING_PIXELS; k++) { /* 从OLED的第0列个像素点开始 */ WriteData(f6X8[c][k]); } } } /* * bref: display string * x:write positon start from x axis * y:write positon start from y axis * chr:write data * char_size:select typeface */ void OledShowStr(unsigned char x, unsigned char y, unsigned char *chr, unsigned char charSize) { unsigned char j = 0; unsigned char xPosition = x; unsigned char yPosition = y; if (chr == NULL) { printf("param is NULL,Please check!!!\r\n"); return; } while (chr[j] != '\0') { OledShowChar(xPosition, yPosition, chr[j], charSize); xPosition += X_COLUMNS_PIXEL_8; /* 8列组成一个字符位置 */ if (xPosition > X_PIXEL_POINT_POSITION_120) { /* 120 */ xPosition = 0; yPosition += Y_LINES_PIXEL_2; /* 每2行写 */ } j++; } } /* 显示主界面 */ void OledMainMenuDisplay(void) { OledFillScreen(0x00); // clear screen OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_1, "1.Colorful light", OLED_DISPLAY_STRING_TYPE_1); /* 0, 1, xx, 1 */ OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_2, "2.Traffic light", OLED_DISPLAY_STRING_TYPE_1); /* 0, 2, xx, 1 */ OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_3, "3.Environment", OLED_DISPLAY_STRING_TYPE_1); /* 0, 3, xx, 1 */ OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_4, "4.NFC test", OLED_DISPLAY_STRING_TYPE_1); /* 0, 4, xx, 1 */ if (GetKeyStatus(MENU_SELECT) == COLORFUL_LIGHT_MENU) { OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_7, "Select:1 Enter", OLED_DISPLAY_STRING_TYPE_1); /* 0, 7, xx, 1 */ } else if (GetKeyStatus(MENU_SELECT) == TRAFFIC_LIGHT_MENU) { OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_7, "Select:2 Enter", OLED_DISPLAY_STRING_TYPE_1); /* 0, 7, xx, 1 */ } else if (GetKeyStatus(MENU_SELECT) == ENVIRONMENT_MENU) { OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_7, "Select:3 Enter", OLED_DISPLAY_STRING_TYPE_1); /* 0, 7, xx, 1 */ } else if (GetKeyStatus(MENU_SELECT) == NFC_TEST_MENU) { OledShowStr(OLED_X_POSITION_0, OLED_Y_POSITION_7, "Select:4 Enter", OLED_DISPLAY_STRING_TYPE_1); /* 0, 7, xx, 1 */ } } /* shut down all led */ void AllLedOff(void) { GpioControl(HI_IO_NAME_GPIO_10, HI_GPIO_IDX_10, HI_GPIO_DIR_OUT, HI_GPIO_VALUE0, HI_IO_FUNC_GPIO_10_GPIO); GpioControl(HI_IO_NAME_GPIO_11, HI_GPIO_IDX_11, HI_GPIO_DIR_OUT, HI_GPIO_VALUE0, HI_IO_FUNC_GPIO_11_GPIO); GpioControl(HI_IO_NAME_GPIO_12, HI_GPIO_IDX_12, HI_GPIO_DIR_OUT, HI_GPIO_VALUE0, HI_IO_FUNC_GPIO_12_GPIO); }