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OLED
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6*8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8*16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[c*16+i]);
}
OLED_SetPos(x,y+1);
for(i=0;i<8;i++)
{
OLED_WrDat(F8X16[c*16+i+8]);
}
x+=8;
j++;
}
}
void OLED_16x16CN(unsigned char x, unsigned char y, unsigned char N) //写16*16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=32*N; // 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128*64的BMP图片
void Delay(int x);
#endif
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