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（1）STM32f103rct6与0.96寸OLED四线通信显示文字和字符，图片

2016-9-7 23:42:33 5645 OLED

0 OLED.c #include "OLED.h" #include "CodeTable.h" #include "STM32f10x_gpio.h" void Delay(int x) { int i,j; for(i=0;i<2000;i++) for(j=0;j } void OLED_WrDat(unsigned char dat)//写数据 { unsigned char i; OLED_WR_D ; // Delay(20); //读写数据命令 for(i=0;i<8;i++) { if((dat << i) & 0x80) { OLED_DA_H; //先送高位最后送低位完成一个字节的发送 } else { OLED_DA_L; } OLED_SCL_L; //给上升沿 // Delay(20); OLED_SCL_H; } } void OLED_WrCmd(unsigned char cmd)//写命令 { unsigned char i; OLED_WR_C ; // Delay(20); for(i=0;i<8;i++) //发送一个八位数据 { if((cmd << i) & 0x80) { OLED_DA_H; } else { OLED_DA_L; } OLED_SCL_L; //给上升沿 // Delay(20); OLED_SCL_H; } } void OLED_SetPos(unsigned char x, unsigned char y)//设置起始点坐标 { OLED_WrCmd(0xb0 + y); OLED_WrCmd(((x&0xf0)>>4)\|0x10); OLED_WrCmd((x&0x0f)\|0x01); } void OLED_Fill(unsigned char bmp_dat)//全屏填充 { unsigned char y,x; for(y=0;y<8;y++) { OLED_WrCmd(0xb0+y); OLED_WrCmd(0x01); OLED_WrCmd(0x10); for(x=0;x { OLED_WrDat(bmp_dat); } } } void OLED_CLS(void)//清屏 { OLED_Fill(0x00); } void OLED_Init(void) { GPIO_InitTypeDef GPIO_InitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB\|RCC_APB2Periph_GPIOC, ENABLE); //使能GPIOB C端口时钟 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15\|GPIO_Pin_12\|GPIO_Pin_13; //PB13,PB12，PB15推挽输出 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;//速度2MHz GPIO_Init(GPIOB, &GPIO_InitStructure); //初始化GPIOD3,6 GPIO_SetBits(GPIOB,GPIO_Pin_15\|GPIO_Pin_12\|GPIO_Pin_13); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6; //PC6推挽输出 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;//速度2MHz GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_SetBits(GPIOC,GPIO_Pin_6); OLED_CS_L; OLED_WrCmd(0xae); //参照官方文档设置 OLED_WrCmd(0xae);//--turn off oled panel OLED_WrCmd(0x00);//---set low column address OLED_WrCmd(0x10);//---set high column address OLED_WrCmd(0x40);//--set start line address Set Mapping RAM Display Start Line (0x00~0x3F) OLED_WrCmd(0x81);//--set contrast control register OLED_WrCmd(0xcf); // Set SEG Output Current Brightness OLED_WrCmd(0xa1);//--Set SEG/Column Mapping 0xa0,0xa1 OLED_WrCmd(0xc8);//Set COM/Row Scan Direction 0xc0,0xc8 OLED_WrCmd(0xa6);//--set normal display OLED_WrCmd(0xa8);//--set multiplex ratio(1 to 64) OLED_WrCmd(0x3f);//--1/64 duty OLED_WrCmd(0xd3);//-set display offset Shift Mapping RAM Counter (0x00~0x3F) OLED_WrCmd(0x00);//-not offset OLED_WrCmd(0xd5);//--set display clock divide ratio/oscillator frequency OLED_WrCmd(0x80);//--set divide ratio, Set Clock as 100 Frames/Sec OLED_WrCmd(0xd9);//--set pre-charge period OLED_WrCmd(0xf1);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock OLED_WrCmd(0xda);//--set com pins hardware configuration OLED_WrCmd(0x12); OLED_WrCmd(0xdb);//--set vcomh OLED_WrCmd(0x40);//Set VCOM Deselect Level OLED_WrCmd(0x20);//-Set Page Addressing Mode (0x00/0x01/0x02) OLED_WrCmd(0x02);// OLED_WrCmd(0x8d);//--set Charge Pump enable/disable OLED_WrCmd(0x14);//--set(0x10) disable OLED_WrCmd(0xa4);// Disable Entire Display On (0xa4/0xa5) OLED_WrCmd(0xa6);// Disable Inverse Display On (0xa6/a7) OLED_WrCmd(0xaf);//--turn on oled panel OLED_Fill(0x00); //清屏 OLED_SetPos(0,0); } void OLED_6x8Str(unsigned char x, unsigned char y, unsigned char ch[]) //写68点阵字符 { // x----表示从纵向第几列开始写纵向共有128列一行最多可以写128/6行 unsigned char c=0,i=0,j=0; // y-----表示从纵向第几行开始写横向共有64行最多可以写64/8列 while (ch[j]!='') // ch[]---表示写入的字符串数组 { c = ch[j]-32; if(x>126) { x=0;y++; } OLED_SetPos(x,y); for(i=0;i<6;i++) { OLED_WrDat(F6x8[c]); } x+=6; j++; } } void OLED_8x16Str(unsigned char x, unsigned char y, unsigned char ch[]) //写816字符 { unsigned char c=0,i=0,j=0; // x----表示从纵向第几列开始写纵向共有128列一行最多可以写128/8行 while (ch[j]!='') // y-----表示从纵向第几行开始写横向共有64行最多可以写64/16列 { // ch[]---表示写入的字符串数组 c =ch[j]-32; if(x>120) { x=0;y++; } OLED_SetPos(x,y); for(i=0;i<8;i++) { OLED_WrDat(F8X16[c16+i]); } OLED_SetPos(x,y+1); for(i=0;i<8;i++) { OLED_WrDat(F8X16[c16+i+8]); } x+=8; j++; } } void OLED_16x16CN(unsigned char x, unsigned char y, unsigned char N) //写1616汉字 { unsigned char wm=0; // x----表示从纵向第几列开始写纵向共有128列一行最多可以写128/8行 unsigned int adder=32N; // y-----表示从纵向第几行开始写横向共有64行最多可以写64/16列 OLED_SetPos(x , y); // N[]---表示写入的汉字取模得到的数组 for(wm = 0;wm < 16;wm++) { OLED_WrDat(F16x16[adder]); adder += 1; } OLED_SetPos(x,y + 1); for(wm = 0;wm < 16;wm++) { OLED_WrDat(F16x16[adder]); adder += 1; } } void OLED_BMP(unsigned char x0, unsigned char y0, unsigned char x1, unsigned char y1, unsigned char BMP[]) //图片显示 { unsigned int j=0; unsigned char x,y; if(y1%8==0) { y=y1/8; } else y=y1/8+1; for(y=y0;y { OLED_SetPos(x0,y); for(x=x0;x { OLED_WrDat(BMP[j++]); } } } OLED.h #ifndef __OLED_H #define __OLED_H #define OLED_DA_H GPIO_SetBits(GPIOB, GPIO_Pin_15) #define OLED_DA_L GPIO_ResetBits(GPIOB, GPIO_Pin_15) #define OLED_CS_H GPIO_SetBits(GPIOB, GPIO_Pin_12) #define OLED_CS_L GPIO_ResetBits(GPIOB, GPIO_Pin_12) #define OLED_SCL_H GPIO_SetBits(GPIOB, GPIO_Pin_13) #define OLED_SCL_L GPIO_ResetBits(GPIOB, GPIO_Pin_13) #define OLED_WR_C GPIO_ResetBits(GPIOC, GPIO_Pin_6) #define OLED_WR_D GPIO_SetBits(GPIOC, GPIO_Pin_6) #define XLevelL 0x00 #define XLevelH 0x10 #define XLevel ((XLevelH&0x0F)16+XLevelL) #define Max_Column 128 #define Max_Row 64 #define Brightness 0xCF #define X_WIDTH 128 #define Y_WIDTH 64 void OLED_WrDat(unsigned char dat);// -- 向OLED写数据 void OLED_WrCmd(unsigned char cmd);// -- 向OLED写命令 void OLED_SetPos(unsigned char x, unsigned char y);// -- 设置起始点坐标 void OLED_Fill(unsigned char bmp_dat);// -- 全屏填充(0x00可以用于清屏，0xff可以用于全屏点亮) void OLED_CLS(void); //-- 清屏 void OLED_Init(void) ;//-- OLED显示屏初始化 void OLED_6x8Str(unsigned char x,unsigned char y,unsigned char ch[]) ;//-- 显示6x8的ASCII字符 void OLED_8x16Str(unsigned char x, unsigned char y,unsigned char ch[]); //-- 显示8x16的ASCII字符 void OLED_16x16CN(unsigned char x, unsigned char y,unsigned char N);// -- 显示16x16中文汉字,汉字要先在取模软件中取模 void OLED_BMP(unsigned char x0,unsigned char y0,unsigned char x1,unsigned char y1,unsigned char BMP[]); //-- 全屏显示12864的BMP图片 void Delay(int x); #endif 0
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