oeld spi 无法显示

xudongqiang987 · 发表于 2019-3-19 13:07:34

各位为什么就是不行呢
oled。c
#include "oled.h"
#include "stdlib.h"
#include "oledfont.h"
#include "delay.h"
#if OLED_MODE==1
//ÏòSSD1106Ð´ÈëÒ»¸ö×Ö½Ú¡£
//dat:ÒªÐ´ÈëµÄÊý¾Ý/ÃüÁî
//cmd:Êý¾Ý/ÃüÁî±êÖ¾ 0,±íÊ¾ÃüÁî;1,±íÊ¾Êý¾Ý;
void OLED_WR_Byte(u8 dat,u8 cmd)
{
DATAOUT(dat);
if(cmd)
OLED_DC_Set();
else
OLED_DC_Clr();
OLED_CS_Clr();
OLED_WR_Clr();
OLED_WR_Set();
OLED_CS_Set();
OLED_DC_Set();
}
#else
//ÏòSSD1106Ð´ÈëÒ»¸ö×Ö½Ú¡£
//dat:ÒªÐ´ÈëµÄÊý¾Ý/ÃüÁî
//cmd:Êý¾Ý/ÃüÁî±êÖ¾ 0,±íÊ¾ÃüÁî;1,±íÊ¾Êý¾Ý;
void OLED_WR_Byte(u8 dat,u8 cmd)
{
u8 i;
if(cmd)
OLED_DC_Set();
else
OLED_DC_Clr();
OLED_CS_Clr();
for(i=0;i<8;i++)
{
  OLED_SCLK_Clr();
  if(dat&0x80)
   OLED_SDIN_Set();
  else
   OLED_SDIN_Clr();
  OLED_SCLK_Set();
  dat<<=1;
}
OLED_CS_Set();
OLED_DC_Set();
}
#endif
void OLED_Set_Pos(unsigned char x, unsigned char y)
{
OLED_WR_Byte(0xb0+y,OLED_CMD);
OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);
OLED_WR_Byte((x&0x0f)|0x01,OLED_CMD);
}
//¿ªÆôOLEDÏÔÊ¾
void OLED_Display_On(void)
{
OLED_WR_Byte(0X8D,OLED_CMD);  //SET DCDCÃüÁî
OLED_WR_Byte(0X14,OLED_CMD);  //DCDC ON
OLED_WR_Byte(0XAF,OLED_CMD);  //DISPLAY ON
}
//¹Ø±ÕOLEDÏÔÊ¾
void OLED_Display_Off(void)
{
OLED_WR_Byte(0X8D,OLED_CMD);  //SET DCDCÃüÁî
OLED_WR_Byte(0X10,OLED_CMD);  //DCDC OFF
OLED_WR_Byte(0XAE,OLED_CMD);  //DISPLAY OFF
}
//ÇåÆÁº¯Êý,ÇåÍêÆÁ,Õû¸öÆÁÄ»ÊÇºÚÉ«µÄ!ºÍÃ»µãÁÁÒ»Ñù!!!
void OLED_Clear(void)
{
u8 i,n;
for(i=0;i<8;i++)
{
  OLED_WR_Byte (0xb0+i,OLED_CMD); //ÉèÖÃÒ³µØÖ·£¨0~7£©
  OLED_WR_Byte (0x00,OLED_CMD);    //ÉèÖÃÏÔÊ¾Î»ÖÃ¡ªÁÐµÍµØÖ·
  OLED_WR_Byte (0x10,OLED_CMD);    //ÉèÖÃÏÔÊ¾Î»ÖÃ¡ªÁÐ¸ßµØÖ·
  for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA);
} //¸üÐÂÏÔÊ¾
}

//ÔÚÖ¸¶¨Î»ÖÃÏÔÊ¾Ò»¸ö×Ö·û,°üÀ¨²¿·Ö×Ö·û
//x:0~127
//y:0~63
//mode:0,·´°×ÏÔÊ¾;1,Õý³£ÏÔÊ¾
//size:Ñ¡Ôñ×ÖÌå 16/12
void OLED_ShowChar(u8 x,u8 y,u8 chr)
{
unsigned char c=0,i=0;
  c=chr-' ';//µÃµ½Æ«ÒÆºóµÄÖµ
  if(x>Max_Column-1){x=0;y=y+2;}
  if(SIZE ==16)
{
OLED_Set_Pos(x,y);
for(i=0;i<8;i++)
OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);
OLED_Set_Pos(x,y+1);
for(i=0;i<8;i++)
OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);
}
else {
OLED_Set_Pos(x,y+1);
for(i=0;i<6;i++)
OLED_WR_Byte(F6x8[c],OLED_DATA);

}
}
//m^nº¯Êý
u32 oled_pow(u8 m,u8 n)
{
u32 result=1;
while(n--)result*=m;
return result;
}
//ÏÔÊ¾2¸öÊý×Ö
//x,y :Æðµã×ø±ê
//len :Êý×ÖµÄÎ»Êý
//size:×ÖÌå´óÐ¡
//mode:Ä£Ê½ 0,Ìî³äÄ£Ê½;1,µþ¼ÓÄ£Ê½
//num:ÊýÖµ(0~4294967295);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size)
{
u8 t,temp;
u8 enshow=0;
for(t=0;t<len;t++)
{
  temp=(num/oled_pow(10,len-t-1))%10;
  if(enshow==0&&t<(len-1))
  {
if(temp==0)
{
OLED_ShowChar(x+(size/2)*t,y,' ');
continue;
}else enshow=1;

  }
OLED_ShowChar(x+(size/2)*t,y,temp+'0');
}
}
//ÏÔÊ¾Ò»¸ö×Ö·ûºÅ´®
void OLED_ShowString(u8 x,u8 y,u8 *chr)
{
unsigned char j=0;
while (chr[j]!='\0')
{  OLED_ShowChar(x,y,chr[j]);
x+=8;
  if(x>120){x=0;y+=2;}
j++;
}
}
//ÏÔÊ¾ºº×Ö
void OLED_ShowCHinese(u8 x,u8 y,u8 no)
{
u8 t,adder=0;
OLED_Set_Pos(x,y);
for(t=0;t<16;t++)
  {
OLED_WR_Byte(Hzk[2*no][t],OLED_DATA);
adder+=1;
   }
  OLED_Set_Pos(x,y+1);
for(t=0;t<16;t++)
{
OLED_WR_Byte(Hzk[2*no+1][t],OLED_DATA);
adder+=1;
   }
}
/***********¹¦ÄÜÃèÊö£ºÏÔÊ¾ÏÔÊ¾BMPÍ¼Æ¬128¡Á64ÆðÊ¼µã×ø±ê(x,y),xµÄ·¶Î§0¡«127£¬yÎªÒ³µÄ·¶Î§0¡«7*****************/
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,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++)
{
  OLED_Set_Pos(x0,y);
for(x=x0;x<x1;x++)
   {
   OLED_WR_Byte(BMP[j++],OLED_DATA);
   }
}
}

//³õÊ¼»¯SSD1306
void OLED_Init(void)
{

  GPIO_InitTypeDef  GPIO_InitStructure;

  RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);  //Ê¹ÄÜb¶Ë¿ÚÊ±ÖÓ
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //ÍÆÍìÊä³ö
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;//ËÙ¶È50MHz
  GPIO_Init(GPIOA, &GPIO_InitStructure); //³õÊ¼»¯
  GPIO_SetBits(GPIOB, GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7|GPIO_Pin_8|GPIO_Pin_9);

  OLED_RST_Set();
delay_ms(100);
OLED_RST_Clr();
delay_ms(200);
OLED_RST_Set();

OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel
OLED_WR_Byte(0x00,OLED_CMD);//---set low column address
OLED_WR_Byte(0x10,OLED_CMD);//---set high column address
OLED_WR_Byte(0x40,OLED_CMD);//--set start line address  Set Mapping RAM Display Start Line (0x00~0x3F)
OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register
OLED_WR_Byte(0xCF,OLED_CMD); // Set SEG Output Current Brightness
OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping    0xa0×óÓÒ·´ÖÃ 0xa1Õý³£
OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction 0xc0ÉÏÏÂ·´ÖÃ 0xc8Õý³£
OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display
OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty
OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
OLED_WR_Byte(0x00,OLED_CMD);//-not offset
OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency
OLED_WR_Byte(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec
OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period
OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration
OLED_WR_Byte(0x12,OLED_CMD);
OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh
OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level
OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02)
OLED_WR_Byte(0x02,OLED_CMD);//
OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable
OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable
OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)
OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7)
OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel

OLED_WR_Byte(0xAF,OLED_CMD); /*display ON*/
OLED_Clear();
OLED_Set_Pos(0,0);
}

oled。h

#ifndef __OLED_H
#define __OLED_H
#include "sys.h"
#include "stdlib.h"
#include "system_stm32f10x.h"
//OLEDÄ£Ê½ÉèÖÃ
//0:4Ïß´®ÐÐÄ£Ê½
//1:²¢ÐÐ8080Ä£Ê½
#define OLED_MODE 0
#define SIZE 16
#define XLevelL  0x00
#define XLevelH  0x10
#define Max_Column 128
#define Max_Row  64
#define Brightness 0xFF
#define X_WIDTH  128
#define Y_WIDTH  64
//-----------------OLED¶Ë¿Ú¶¨Òå----------------
#define OLED_CS_Clr()  GPIO_ResetBits(GPIOB,GPIO_Pin_5)//CS
#define OLED_CS_Set()  GPIO_SetBits(GPIOB,GPIO_Pin_5)
#define OLED_RST_Clr() GPIO_ResetBits(GPIOB,GPIO_Pin_6)//RES
#define OLED_RST_Set() GPIO_SetBits(GPIOB,GPIO_Pin_6)
#define OLED_DC_Clr() GPIO_ResetBits(GPIOB,GPIO_Pin_7)//DC
#define OLED_DC_Set() GPIO_SetBits(GPIOB,GPIO_Pin_7)

//PC0~7,×÷ÎªÊý¾ÝÏß
#define DATAOUT(x) GPIO_Write(GPIOC,x);//Êä³ö
//Ê¹ÓÃ4Ïß´®ÐÐ½Ó¿ÚÊ±Ê¹ÓÃ
#define OLED_SCLK_Clr() GPIO_ResetBits(GPIOB,GPIO_Pin_8)//CLK
#define OLED_SCLK_Set() GPIO_SetBits(GPIOB,GPIO_Pin_8)
#define OLED_SDIN_Clr() GPIO_ResetBits(GPIOB,GPIO_Pin_9)//DIN
#define OLED_SDIN_Set() GPIO_SetBits(GPIOB,GPIO_Pin_9)

#define OLED_CMD  0 //Ð´ÃüÁî
#define OLED_DATA 1 //Ð´Êý¾Ý

//OLED¿ØÖÆÓÃº¯Êý
void OLED_WR_Byte(u8 dat,u8 cmd);
void OLED_Display_On(void);
void OLED_Display_Off(void);
void OLED_Init(void);
void OLED_Clear(void);
void OLED_DrawPoint(u8 x,u8 y,u8 t);
void OLED_Fill(u8 x1,u8 y1,u8 x2,u8 y2,u8 dot);
void OLED_ShowChar(u8 x,u8 y,u8 chr);
void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size);
void OLED_ShowString(u8 x,u8 y, u8 *p);
void OLED_Set_Pos(unsigned char x, unsigned char y);
void OLED_ShowCHinese(u8 x,u8 y,u8 no);
void OLED_DrawBMP(unsigned char x0, unsigned char y0,unsigned char x1, unsigned char y1,unsigned char BMP[]);
#endif


main。c

#include "stm32f10x.h"
#include "OLED.h"
#include "delay.h"
#include "bsp_led.h"
int main(void)
{
u8 t;
delay_init();    //ÑÓÊ±º¯Êý³õÊ¼»¯
NVIC_Configuration();
led_init();
OLED_Init();
OLED_Clear();
while(1)
{
  OLED_Clear();
  OLED_ShowCHinese(0,0,0);//ÖÐ
  OLED_ShowString(0,3,"1.3' OLED TEST");
}
}

左丘冰 · 发表于 2019-3-19 14:18:40

我比较喜欢用I2C的

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oeld spi 无法显示

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