- #include "oled.h"
- #include "stdlib.h"
- #include "oledfont.h"
- void IIC_Start()
- {
- OLED_SCLK_Set() ;
- OLED_SDIN_Set();
- OLED_SDIN_Clr();
- OLED_SCLK_Clr();
- }
- /**********************************************
- //IIC Stop
- **********************************************/
- void IIC_Stop()
- {
- OLED_SCLK_Set() ;
- // OLED_SCLK_Clr();
- OLED_SDIN_Clr();
- OLED_SDIN_Set();
-
- }
- void IIC_Wait_Ack()
- {
- OLED_SCLK_Set() ;
- OLED_SCLK_Clr();
- }
- /**********************************************
- // IIC Write byte
- **********************************************/
- void Write_IIC_Byte(unsigned char IIC_Byte)
- {
- unsigned char i;
- unsigned char m,da;
- da=IIC_Byte;
- OLED_SCLK_Clr();
- for(i=0;i<8;i++)
- {
- m=da;
- // OLED_SCLK_Clr();
- m=m&0x80;
- if(m==0x80)
- {OLED_SDIN_Set();}
- else OLED_SDIN_Clr();
- da=da<<1;
- OLED_SCLK_Set();
- OLED_SCLK_Clr();
- }
- }
- /**********************************************
- // IIC Write Command
- **********************************************/
- void Write_IIC_Command(unsigned char IIC_Command)
- {
- IIC_Start();
- Write_IIC_Byte(0x78); //Slave address,SA0=0
- IIC_Wait_Ack();
- Write_IIC_Byte(0x00); //write command
- IIC_Wait_Ack();
- Write_IIC_Byte(IIC_Command);
- IIC_Wait_Ack();
- IIC_Stop();
- }
- /**********************************************
- // IIC Write Data
- **********************************************/
- void Write_IIC_Data(unsigned char IIC_Data)
- {
- IIC_Start();
- Write_IIC_Byte(0x78); //D/C#=0; R/W#=0
- IIC_Wait_Ack();
- Write_IIC_Byte(0x40); //write data
- IIC_Wait_Ack();
- Write_IIC_Byte(IIC_Data);
- IIC_Wait_Ack();
- IIC_Stop();
- }
- void OLED_WR_Byte(unsigned dat,unsigned cmd)
- {
- if(cmd)
- {
- Write_IIC_Data(dat);
-
- }
- else {
- Write_IIC_Command(dat);
-
- }
- }
- /********************************************
- // fill_Picture
- ********************************************/
- void fill_picture(unsigned char fill_Data)
- {
- unsigned char m,n;
- for(m=0;m<8;m++)
- {
- OLED_WR_Byte(0xb0+m,0); //page0-page1
- OLED_WR_Byte(0x00,0); //low column start address
- OLED_WR_Byte(0x10,0); //high column start address
- for(n=0;n<128;n++)
- {
- OLED_WR_Byte(fill_Data,1);
- }
- }
- }
- /***********************Delay****************************************/
- void Delay_50ms(unsigned int Del_50ms)
- {
- unsigned int m;
- for(;Del_50ms>0;Del_50ms--)
- for(m=6245;m>0;m--);
- }
- void Delay_1ms(unsigned int Del_1ms)
- {
- unsigned char j;
- while(Del_1ms--)
- {
- for(j=0;j<123;j++);
- }
- }
- //��������
- 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),OLED_CMD);
- }
- //����OLED��ʾ
- void OLED_Display_On(void)
- {
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC����
- OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON
- OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON
- }
- //�ر�OLED��ʾ
- void OLED_Display_Off(void)
- {
- OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC����
- OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF
- OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF
- }
- //��������,������,������Ļ�Ǻ�ɫ��!��û����һ��!!!
- void OLED_Clear(void)
- {
- u8 i,n;
- for(i=0;i<8;i++)
- {
- OLED_WR_Byte (0xb0+i,OLED_CMD); //����ҳ��ַ��0~7��
- OLED_WR_Byte (0x00,OLED_CMD); //������ʾλ�á��е͵�ַ
- OLED_WR_Byte (0x10,OLED_CMD); //������ʾλ�á��иߵ�ַ
- for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA);
- } //������ʾ
- }
- void OLED_On(void)
- {
- u8 i,n;
- for(i=0;i<8;i++)
- {
- OLED_WR_Byte (0xb0+i,OLED_CMD); //����ҳ��ַ��0~7��
- OLED_WR_Byte (0x00,OLED_CMD); //������ʾλ�á��е͵�ַ
- OLED_WR_Byte (0x10,OLED_CMD); //������ʾλ�á��иߵ�ַ
- for(n=0;n<128;n++)OLED_WR_Byte(1,OLED_DATA);
- } //������ʾ
- }
- //��ָ��λ����ʾһ���ַ�,���������ַ�
- //x:0~127
- //y:0~63
- //mode:0,������ʾ;1,������ʾ
- //size:ѡ������ 16/12
- void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 Char_Size)
- {
- unsigned char c=0,i=0;
- c=chr-' ';//�õ�ƫ�ƺ��ֵ
- if(x>Max_Column-1){x=0;y=y+2;}
- if(Char_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);
- for(i=0;i<6;i++)
- OLED_WR_Byte(F6x8[c][i],OLED_DATA);
-
- }
- }
- //m^n����
- u32 oled_pow(u8 m,u8 n)
- {
- u32 result=1;
- while(n--)result*=m;
- return result;
- }
- //��ʾ2������
- //x,y :�������
- //len :���ֵ�λ��
- //size:�����С
- //mode:ģʽ 0,���ģʽ;1,����ģʽ
- //num:��ֵ(0~4294967295);
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size2)
- {
- 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+(size2/2)*t,y,' ',size2);
- continue;
- }else enshow=1;
-
- }
- OLED_ShowChar(x+(size2/2)*t,y,temp+'0',size2);
- }
- }
- //��ʾһ���ַ��Ŵ�
- void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 Char_Size)
- {
- unsigned char j=0;
- while (chr[j]!='\0')
- { OLED_ShowChar(x,y,chr[j],Char_Size);
- x+=8;
- if(x>120){x=0;y+=2;}
- j++;
- }
- }
- //��ʾ����
- 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;
- }
- }
- /***********������������ʾ��ʾBMPͼƬ128��64��ʼ������(x,y),x�ķ�Χ0��127��yΪҳ�ķ�Χ0��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);
- }
- }
- }
- //��ʼ��SSD1306
- void OLED_Init(void)
- {
-
- SDA_SetDigitalOutput();
- SCL_SetDigitalOutput();
- DELAY_milliseconds(800);
- OLED_WR_Byte(0xAE,OLED_CMD);//--display off
- 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
- OLED_WR_Byte(0xB0,OLED_CMD);//--set page address
- OLED_WR_Byte(0x81,OLED_CMD); // contract control
- OLED_WR_Byte(0xFF,OLED_CMD);//--128
- OLED_WR_Byte(0xA1,OLED_CMD);//set segment remap
- OLED_WR_Byte(0xA6,OLED_CMD);//--normal / reverse
- OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)
- OLED_WR_Byte(0x3F,OLED_CMD);//--1/32 duty
- OLED_WR_Byte(0xC8,OLED_CMD);//Com scan direction
- OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset
- OLED_WR_Byte(0x00,OLED_CMD);//
-
- OLED_WR_Byte(0xD5,OLED_CMD);//set osc division
- OLED_WR_Byte(0x80,OLED_CMD);//
-
- OLED_WR_Byte(0xD8,OLED_CMD);//set area color mode off
- OLED_WR_Byte(0x05,OLED_CMD);//
-
- OLED_WR_Byte(0xD9,OLED_CMD);//Set Pre-Charge Period
- OLED_WR_Byte(0xF1,OLED_CMD);//
-
- OLED_WR_Byte(0xDA,OLED_CMD);//set com pin configuartion
- OLED_WR_Byte(0x12,OLED_CMD);//
-
- OLED_WR_Byte(0xDB,OLED_CMD);//set Vcomh
- OLED_WR_Byte(0x30,OLED_CMD);//
-
- OLED_WR_Byte(0x8D,OLED_CMD);//set charge pump enable
- OLED_WR_Byte(0x14,OLED_CMD);//
-
- OLED_WR_Byte(0xAF,OLED_CMD);//--turn on oled panel
- }
删除头文件和void OLED_Init(void)函数中的GPIO初始化。因为IDE已经使用MCC完成了GPIO的初始化。
OLED.H
- #ifndef __OLED_H__
- #define __OLED_H__
- #include <xc.h>
- #include "mcc_generated_files/mcc.h"
- #include "stdlib.h"
- #define u8 unsigned char
- #define u32 unsigned int
- #define OLED_MODE 0
- #define SIZE 8
- #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 IIC�˿ڶ���----------------
- #define OLED_SCLK_Clr() SCL_SetLow() //SCL
- #define OLED_SCLK_Set() SCL_SetHigh()
- #define OLED_SDIN_Clr() SDA_SetLow() //SDA
- #define OLED_SDIN_Set() SDA_SetHigh()
-
- #define OLED_CMD 0 //���
- #define OLED_DATA 1 //���
- //OLED�����ú���
- void OLED_WR_Byte(unsigned dat,unsigned 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,u8 Char_Size);
- void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size);
- void OLED_ShowString(u8 x,u8 y, u8 *p,u8 Char_Size);
- 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[]);
- void Delay_50ms(unsigned int Del_50ms);
- void Delay_1ms(unsigned int Del_1ms);
- void fill_picture(unsigned char fill_Data);
- void Picture();
- void IIC_Start();
- void IIC_Stop();
- 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 IIC_Wait_Ack();
- #endif
删除和MM32相关的头文件,添加
#include <xc.h>
#include "mcc_generated_files/mcc.h"
这两个头文件,同时添加宏定义
#define u8 unsigned char
#define u32 unsigned int
并将SDA和SCL的GPIO操作换成PIC的函数
- #define OLED_SCLK_Clr() SCL_SetLow() //SCL
- #define OLED_SCLK_Set() SCL_SetHigh()
- #define OLED_SDIN_Clr() SDA_SetLow() //SDA
- #define OLED_SDIN_Set() SDA_SetHigh()
然后使用字模软件替换需要的中文字模,
- char Hzk[][32]={
- {0x00,0x00,0xF0,0x90,0x90,0x90,0xFE,0x90,0x90,0x90,0xF0,0x10,0x00,0x00},
- {0x00,0x00,0x0F,0x04,0x04,0x04,0x7F,0x44,0x44,0x44,0x4F,0x40,0x70,0x00},/*"电",0*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x80,0x80,0x84,0x84,0x84,0x84,0xE4,0x94,0x8C,0x84,0x84,0x80,0x00},
- {0x00,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,0x00,0x00},/*"子",1*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x10,0x10,0xFE,0x90,0x90,0x90,0x90,0x90,0xFE,0x90,0x90,0x10,0x00},
- {0x00,0x02,0x41,0x7F,0x80,0x40,0x40,0x23,0x2C,0x18,0x26,0x41,0x40,0x00},/*"技",2*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x20,0x20,0x20,0x20,0xA0,0xFC,0x62,0xA0,0x24,0x38,0x20,0x20,0x00},
- {0x00,0x20,0x10,0x0C,0x02,0x01,0x7F,0x00,0x01,0x06,0x0C,0x18,0x10,0x00},/*"术",3*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x84,0x84,0x84,0xFC,0x84,0x84,0x84,0x84,0xFC,0x84,0x86,0x80,0x00},
- {0x00,0x40,0x40,0x30,0x0F,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00},/*"开",4*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x00,0x18,0x24,0x20,0xFC,0x22,0xA0,0xA2,0xA4,0xAC,0x20,0x00,0x00},
- {0x00,0x40,0x30,0x88,0x47,0x40,0x23,0x1C,0x18,0x26,0x61,0x40,0x40,0x00},/*"发",5*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x40,0x42,0xCC,0x00,0x80,0x60,0x98,0x06,0x18,0x20,0x40,0x80,0x00},
- {0x00,0x00,0x00,0x7F,0x11,0x08,0x00,0x7F,0x44,0x42,0x41,0x70,0x00,0x00},/*"论",6*/
- /* (14 X 16 , 宋体 )*/
- {0x00,0x40,0x40,0xFC,0x40,0x80,0x88,0x88,0x88,0x88,0x88,0x88,0x80,0x00},
- {0x00,0x20,0x10,0x1F,0x08,0x08,0x70,0x4C,0x23,0x20,0x28,0x30,0x60,0x00},/*"坛",7*/
- /* (14 X 16 , 宋体 )*/
- };
最后主函数添加显示,LED的代码保留,用于显示程序正在运行:
- void main(void)
- {
- // Initialize the device
- SYSTEM_Initialize();
- // Enable the Global Interrupts
- // INTERRUPT_GlobalInterruptEnable();
- OLED_Init();
- OLED_Clear();
- // Disable the Global Interrupts
- INTERRUPT_GlobalInterruptDisable();
- OLED_ShowCHinese(0,0,0);
- OLED_ShowCHinese(13,0,1);
- OLED_ShowCHinese(26,0,2);
- OLED_ShowCHinese(39,0,3);
- OLED_ShowCHinese(52,0,4);
- OLED_ShowCHinese(65,0,5);
- OLED_ShowCHinese(78,0,6);
- OLED_ShowCHinese(91,0,7);
- OLED_ShowString(0,3,"Microchip!!",16);
- OLED_ShowString(0,6,"21ic!!",16);
- while (1)
- {
- //Add your application code
- LED0_Toggle();
- DELAY_milliseconds(1000);
- // printf("uart1 test success!!! \r\n");
- }
- }
在烧录的时候我这里遇到了问题,无法烧录:
但是板子连接IDE是正常的,求助论坛无果,新建工程依旧无法下载,原因是我今天打开IDE时软件右下角弹出一个窗口,我没仔细看(其实是英文太懒,看不懂),只看到了update....,其实到现在我都不知道升级了啥玩意,反正我点了之后就无法烧录了。
解决办法:卸载环境重新安装。
最后展示一下显示效果: