extern unsigned charF16x16[1024];
extern unsigned charBMP[2048];
extern const unsigned charF6x8[92][6];
extern const unsigned charF8X16[1600];
数据太大,不便粘贴;如有需要的朋友,可以联系我传给你;目前实验已完成,由于权限的问题,不能上传图片,敬请谅解。
个人感觉IIC通信比四线SPI(见上篇博客)简单,具体体现:硬件、软件和接线都比较少,只代表个人观点;其实如果会的话,应该都差不多。
IIC.h
#ifndef __IIC_H
#define __IIC_H
#ifdef __cplusplus
extern "C" {
#endif
/*************Pin Define***************/
#define SCL_HIGHGPIO_SetBits(GPIOB, GPIO_Pin_8) //LED1点亮//P1OUT|=BIT0   //SCL P1.0
#define SCL_LOW GPIO_ResetBits(GPIOB, GPIO_Pin_8) //P1OUT&=~BIT0
#define SDA_HIGHGPIO_SetBits(GPIOB, GPIO_Pin_9) //P1OUT|=BIT1   //SDA P1.1
#define SDA_LOW GPIO_ResetBits(GPIOB, GPIO_Pin_9) //P1OUT&=~BIT1
/****************************************************/
void OLED_Initial(void);
void IIC_Start(void);
void IIC_Stop(void);
void Write_IIC_Command(unsigned char IIC_Command);
void Write_IIC_Data(unsigned char IIC_Data);
void Write_IIC_Byte(unsigned char IIC_Byte);
void LCD_Set_Pos(unsigned char x, unsigned char y);
void LCD_CLS(void);
void LCD_P8x16Str(unsigned char x,unsigned chary,unsigned char ch[]);
void LCD_P16x16Ch(unsigned char x,unsigned chary,unsigned charN);
void LCD_P6x8Str(unsigned char x,unsigned chary,unsigned char ch[]);
void Draw_BMP(unsigned char x0,unsigned chary0,unsigned char x1,unsigned chary1,unsigned char BMP[]);
#ifdef __cplusplus
}
#endif
#endif
IIC.C
#include
#include "stm32f10x_i2c.h"
#include "IIC.h"
#include "delay.h"
#include "sys.h"
#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_Initial()
{
  GPIO_InitTypeDefGPIO_InitStructure;
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
  /* PB8,9 SCL and SDA */
  GPIO_InitStructure.GPIO_Pin =GPIO_Pin_8 | GPIO_Pin_9;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOB, &GPIO_InitStructure);
  
  delay_ms(100); //延时
  Write_IIC_Command(0xAE); //display off
  Write_IIC_Command(0x20); //Set Memory Addressing Mode
  Write_IIC_Command(0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
  Write_IIC_Command(0xb0); //Set Page Start Address for Page Addressing Mode,0-7
  Write_IIC_Command(0xc8); //Set COM Output Scan Direction
  Write_IIC_Command(0x00);//---set low column address
  Write_IIC_Command(0x10);//---set high column address
  Write_IIC_Command(0x40);//--set start line address
  Write_IIC_Command(0x81);//--set contrast control register
  Write_IIC_Command(0x7f);
  Write_IIC_Command(0xa1);//--set segment re-map 0 to 127
  Write_IIC_Command(0xa6);//--set normal display
  Write_IIC_Command(0xa8);//--set multiplex ratio(1 to 64)
  Write_IIC_Command(0x3F);//
  Write_IIC_Command(0xa4);//0xa4,Output follows RAM content;0xa5,Output ignores RAM content
  Write_IIC_Command(0xd3);//-set display offset
  Write_IIC_Command(0x00);//-not offset
  Write_IIC_Command(0xd5);//--set display clock pide ratio/oscillator frequency
  Write_IIC_Command(0xf0);//--set pide ratio
  Write_IIC_Command(0xd9);//--set pre-charge period
  Write_IIC_Command(0x22); //
  Write_IIC_Command(0xda);//--set com pins hardware configuration
  Write_IIC_Command(0x12);
  Write_IIC_Command(0xdb);//--set vcomh
  Write_IIC_Command(0x20);//0x20,0.77xVcc
  Write_IIC_Command(0x8d);//--set DC-DC enable
  Write_IIC_Command(0x14);//
  Write_IIC_Command(0xaf);//--turn on oled panel
  LCD_CLS();
  LCD_Set_Pos(0,0);
}
/**********************************************
//IIC Start
**********************************************/
void IIC_Start()
{
  SCL_HIGH;
  SDA_HIGH;
  SDA_LOW;
  SCL_LOW;
}
/**********************************************
//IIC Stop
**********************************************/
void IIC_Stop()
{
 SCL_LOW;
 SDA_LOW;
 SCL_HIGH;
 SDA_HIGH;
}
/**********************************************
// IIC Write byte
**********************************************/
void Write_IIC_Byte(unsigned char IIC_Byte)
{
  unsigned char i;
  for(i=0;i<8;i++)
  {
     if(IIC_Byte&0x80)//1?0?
       SDA_HIGH;
     else
       SDA_LOW;
     SCL_HIGH;
     SCL_LOW;
     IIC_Byte<<=1; //loop
  }
  SDA_HIGH;
  SCL_HIGH;
  SCL_LOW;
}
/**********************************************
// IIC Write Command
**********************************************/
void Write_IIC_Command(unsigned char IIC_Command)
{
 IIC_Start();
 Write_IIC_Byte(0x78); //Slave address,SA0=0
 Write_IIC_Byte(0x00); //write command
 Write_IIC_Byte(IIC_Command);
 IIC_Stop();
}
/**********************************************
// IIC Write Data
**********************************************/
void Write_IIC_Data(unsigned char IIC_Data)
{
  IIC_Start();
  Write_IIC_Byte(0x78); 
  Write_IIC_Byte(0x40); //write data
  Write_IIC_Byte(IIC_Data);
  IIC_Stop();
}
/*********************LCD 设置坐标************************************/
void LCD_Set_Pos(unsigned char x, unsigned char y)
{
  Write_IIC_Command(0xb0+y);
  Write_IIC_Command(((x&0xf0)>>4)|0x10);
  Write_IIC_Command((x&0x0f)|0x01);
}
/*********************LCD复位************************************/
void LCD_CLS(void)
{
  unsigned char y,x;  
  for(y=0;y<8;y++)
  {
     Write_IIC_Command(0xb0+y);
     Write_IIC_Command(0x01);
     Write_IIC_Command(0x10);
     for(x=0;x<X_WIDTH;x++)
     Write_IIC_Data(0);
  }
}
/***************功能描述:显示6*8一组标准ASCII字符串  显示的坐标(x,y),y为页范围0~7****************/
void LCD_P6x8Str(unsigned char x,unsigned chary,unsigned char ch[])
{
  unsigned char c=0,i=0,j=0;  
  while (ch[j]!='\0')
  { 
     c =ch[j]-32;
     if(x>126){x=0;y++;}
        LCD_Set_Pos(x,y); 
     for(i=0;i<6;i++) 
        Write_IIC_Data(F6x8[c][i]);
     x+=6;
     j++;
  }
}
/*******************功能描述:显示8*16一组标准ASCII字符串  显示的坐标(x,y),y为页范围0~7****************/
void LCD_P8x16Str(unsigned char x,unsigned chary,unsigned char ch[])
{
  unsigned char c=0,i=0,j=0;
  while (ch[j]!='\0')
  { 
     c =ch[j]-32;
     if(x>120){x=0;y++;}
       LCD_Set_Pos(x,y); 
     for(i=0;i<8;i++) 
       Write_IIC_Data(F8X16[c*16+i]);
     LCD_Set_Pos(x,y+1); 
     for(i=0;i<8;i++) 
       Write_IIC_Data(F8X16[c*16+i+8]);
     x+=8;
     j++;
  }
}
/*****************功能描述:显示16*16点阵显示的坐标(x,y),y为页范围0~7****************************/
void LCD_P16x16Ch(unsigned char x,unsigned chary,unsigned charN)
{
  unsigned char wm=0;
  unsigned int adder=32*N;//  
  LCD_Set_Pos(x , y);
  for(wm = 0;wm < 16;wm++)//    
  {
     Write_IIC_Data(F16x16[adder]);
     adder += 1;
  }  
  LCD_Set_Pos(x,y + 1);
  for(wm = 0;wm < 16;wm++) //   
  {
     Write_IIC_Data(F16x16[adder]);
     adder += 1;
  }    
}
/***********功能描述:显示显示BMP图片128×64起始点坐标(x,y),x的范围0~127,y为页的范围0~7*****************/
void Draw_BMP(unsigned char x0,unsigned chary0,unsigned char x1,unsigned chary1,unsigned char BMP[])
{  
  unsigned int j=0;
  unsigned char x,y;
  if(y1%8==0) y=y1/8;  
  else y=y1/8+1;
  for(y=y0;y<y1;y++)
  {
     LCD_Set_Pos(x0,y);          
   for(x=x0;x<x1;x++)
    {  
        Write_IIC_Data(BMP[j++]);     
    }
  }
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////
int main(void)
{
/* Add your application code here*/
  char i;
  LED_GPIO_Config();
  delay_init(72);   //延时初始化
  OLED_Initial();
  LCD_P8x16Str(28,0,"OLED TEST"); 
  LCD_P8x16Str(20,2,"OLEDDISPLAY"); 
  LCD_P6x8Str(16,5,"315322339@qq.com");
  LCD_P6x8Str(34,6,"2014-11-22");
  delay_ms(1500); //延时1s
  
  Draw_BMP(0,0,128,8,BMP);//图片显示
  delay_ms(1000);  
  LCD_CLS();
/* Infinite loop */
  while(1)
  {
     
     LED4_OFF;
     delay_ms(500); //延时1s
     LED4_ON;
     delay_ms(500); //延时1s
     for(i=0; i<8; i++)
    {
        LCD_P16x16Ch(i*16,0,i);//点阵显示
       LCD_P16x16Ch(i*16,2,i+8);
       LCD_P16x16Ch(i*16,4,i+16);
       LCD_P16x16Ch(i*16,6,i+24);
    }
  }
}