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[update] 增加STM32智慧宿舍基础代码
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215
firmware/stm32/smart_dormitory/User/oled/oled.c
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215
firmware/stm32/smart_dormitory/User/oled/oled.c
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/****************************************Copyright (c)****************************************************
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**
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** File name: lcd.c
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** Created by: XiaoYi
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** Created date: 2020-10-16
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** Version: v1.0
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** Descriptions: The original
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** Link address: https://blog.csdn.net/weixin_45006076
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**
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*********************************************************************************************************/
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#include <stdio.h>
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#include "main.h"
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#include "i2c.h"
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#include "oled.h"
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#include "codetab.h"
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void oled_write_cmd(unsigned char cmd)//д<><D0B4><EFBFBD><EFBFBD>
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{
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HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x00,I2C_MEMADD_SIZE_8BIT,&cmd,1,0x100);
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}
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void oled_write_data(unsigned char data)//д<><D0B4><EFBFBD><EFBFBD>
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{
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HAL_I2C_Mem_Write(&hi2c1 ,0x78,0x40,I2C_MEMADD_SIZE_8BIT,&data,1,0x100);
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}
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void oled_set_pos(unsigned char x, unsigned char y) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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oled_write_cmd(0xb0+y);
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oled_write_cmd(((x&0xf0)>>4)|0x10);
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oled_write_cmd((x&0x0f)|0x01);
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}
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void oled_fill(unsigned char fill_Data)//ȫ<><C8AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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{
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unsigned char m,n;
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for(m=0;m<8;m++)
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{
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oled_write_cmd(0xb0+m); //page0-page1
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oled_write_cmd(0x00); //low column start address
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oled_write_cmd(0x10); //high column start address
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for(n=0;n<128;n++)
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{
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oled_write_data(fill_Data);
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}
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}
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}
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void oled_clear_screen(void)//<2F><><EFBFBD><EFBFBD>
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{
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oled_fill(0x00);
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}
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//--------------------------------------------------------------
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// Prototype : void oled_wakeup(void)
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// Calls :
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// Parameters : none
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// Description : <20><>OLED<45><44><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><D0BB><EFBFBD>
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//--------------------------------------------------------------
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void oled_wakeup(void)
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{
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oled_write_cmd(0X8D); //<2F><><EFBFBD>õ<EFBFBD><C3B5>ɱ<EFBFBD>
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oled_write_cmd(0X14); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>
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oled_write_cmd(0XAF); //OLED<45><44><EFBFBD><EFBFBD>
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}
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//--------------------------------------------------------------
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// Prototype : void oled_sleep(void)
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// Calls :
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// Parameters : none
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// Description : <20><>OLED<45><44><EFBFBD><EFBFBD> -- <20><><EFBFBD><EFBFBD>ģʽ<C4A3><CABD>,OLED<45><44><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD>10uA
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//--------------------------------------------------------------
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void oled_sleep(void)
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{
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oled_write_cmd(0X8D); //<2F><><EFBFBD>õ<EFBFBD><C3B5>ɱ<EFBFBD>
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oled_write_cmd(0X10); //<2F>رյ<D8B1><D5B5>ɱ<EFBFBD>
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oled_write_cmd(0XAE); //OLED<45><44><EFBFBD><EFBFBD>
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}
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//--------------------------------------------------------------
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// Prototype : void OLED_ShowChar(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize)
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// Calls :
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// Parameters : x,y -- <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(x:0~127, y:0~7); ch[] -- Ҫ<><D2AA>ʾ<EFBFBD><CABE><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD>; TextSize -- <20>ַ<EFBFBD><D6B7><EFBFBD>С(1:6*8 ; 2:8*16)
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// Description : <20><>ʾcodetab.h<>е<EFBFBD>ASCII<49>ַ<EFBFBD>,<2C><>6*8<><38>8*16<31><36>ѡ<EFBFBD><D1A1>
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//--------------------------------------------------------------
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void oled_show_string(unsigned char x, unsigned char y, unsigned char ch[], unsigned char TextSize)
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{
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unsigned char c = 0,i = 0,j = 0;
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switch(TextSize)
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{
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case 1:
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{
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while(ch[j] != '\0')
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{
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c = ch[j] - 32;
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if(x > 126)
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{
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x = 0;
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y++;
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}
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oled_set_pos(x,y);
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for(i=0;i<6;i++)
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oled_write_data(F6x8[c][i]);
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x += 6;
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j++;
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}
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}break;
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case 2:
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{
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while(ch[j] != '\0')
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{
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c = ch[j] - 32;
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if(x > 120)
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{
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x = 0;
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y++;
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}
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oled_set_pos(x,y);
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for(i=0;i<8;i++)
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oled_write_data(F8X16[c*16+i]);
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oled_set_pos(x,y+1);
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for(i=0;i<8;i++)
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oled_write_data(F8X16[c*16+i+8]);
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x += 8;
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j++;
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}
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}break;
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}
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}
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//--------------------------------------------------------------
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// Prototype : void oled_show_chinese(unsigned char x, unsigned char y, unsigned char N)
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// Calls :
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// Parameters : x,y -- <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(x:0~127, y:0~7); N:<3A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>codetab.h<>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
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// Description : <20><>ʾcodetab.h<>еĺ<D0B5><C4BA><EFBFBD>,16*16<31><36><EFBFBD><EFBFBD>
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//--------------------------------------------------------------
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void oled_show_chinese(unsigned char x, unsigned char y, unsigned char N)
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{
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unsigned char wm=0;
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unsigned int adder=32*N;
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oled_set_pos(x , y);
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for(wm = 0;wm < 16;wm++)
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{
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oled_write_data(F16x16[adder]);
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adder += 1;
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}
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oled_set_pos(x,y + 1);
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for(wm = 0;wm < 16;wm++)
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{
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oled_write_data(F16x16[adder]);
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adder += 1;
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}
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}
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//--------------------------------------------------------------
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// Prototype : void oled_draw_bmp(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[]);
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// Calls :
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// Parameters : x0,y0 -- <20><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(x0:0~127, y0:0~7); x1,y1 -- <20><><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><D4BD><EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>(x1:1~128,y1:1~8)
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// Description : <20><>ʾBMPλͼ
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//--------------------------------------------------------------
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void oled_draw_bmp(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char *bmp)
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{
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unsigned int j=0;
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unsigned char x,y;
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if(y1%8==0)
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y = y1/8;
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else
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y = y1/8 + 1;
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for(y=y0;y<y1;y++)
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{
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oled_set_pos(x0,y);
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for(x=x0;x<x1;x++)
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{
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oled_write_data(bmp[j++]);
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}
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}
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}
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void oled_init(void)
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{
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delay_ms(100); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ҫ
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oled_write_cmd(0xAE); //display off
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oled_write_cmd(0x20); //Set Memory Addressing Mode
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oled_write_cmd(0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
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oled_write_cmd(0xb0); //Set Page Start Address for Page Addressing Mode,0-7
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oled_write_cmd(0xc8); //Set COM Output Scan Direction
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oled_write_cmd(0x00); //---set low column address
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oled_write_cmd(0x10); //---set high column address
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oled_write_cmd(0x40); //--set start line address
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oled_write_cmd(0x81); //--set contrast control register
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oled_write_cmd(0xff); //<2F><><EFBFBD>ȵ<EFBFBD><C8B5><EFBFBD> 0x00~0xff
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oled_write_cmd(0xa1); //--set segment re-map 0 to 127
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oled_write_cmd(0xa6); //--set normal display
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oled_write_cmd(0xa8); //--set multiplex ratio(1 to 64)
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oled_write_cmd(0x3F); //
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oled_write_cmd(0xa4); //0xa4,Output follows RAM content;0xa5,Output ignores RAM content
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oled_write_cmd(0xd3); //-set display offset
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oled_write_cmd(0x00); //-not offset
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oled_write_cmd(0xd5); //--set display clock divide ratio/oscillator frequency
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oled_write_cmd(0xf0); //--set divide ratio
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oled_write_cmd(0xd9); //--set pre-charge period
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oled_write_cmd(0x22); //
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oled_write_cmd(0xda); //--set com pins hardware configuration
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oled_write_cmd(0x12);
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oled_write_cmd(0xdb); //--set vcomh
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oled_write_cmd(0x20); //0x20,0.77xVcc
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oled_write_cmd(0x8d); //--set DC-DC enable
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oled_write_cmd(0x14); //
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oled_write_cmd(0xaf); //--turn on oled panel
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}
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