huaqing/WMZ_3rd_STM32G474RET6_FreeRTOS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

first upload

Browse Source
This commit is contained in:
huaqing
2026-02-24 12:15:29 +08:00
commit 7720425f6f
1242 changed files with 837084 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

370
Core/Src/oled.c Normal file
View File

@@ -0,0 +1,370 @@
#include "char.h"
#include "cmsis_os.h"
#include "main.h"
#include <cstring>
#include "variables.h"
#define u8 unsigned char;
#define u16 unsigned short int;
#define u32 unsigned int;
#define OLED_CS cs_Pin
#define OLED_RST RES_Pin
#define OLED_DC dc_Pin
#define OLED_SCL D0_Pin
#define OLED_SDA D1_Pin
unsigned char OLED_GRAM[128][8];
void OLED_WR_Byte(unsigned char dat,unsigned char cmd) ///////////////////////////////////////////1
{
taskENTER_CRITICAL();
unsigned char i;
if(cmd==0)
{
HAL_GPIO_WritePin(DC_GPIO_Port,DC_Pin,GPIO_PIN_RESET);
}
if(cmd==1)
{
HAL_GPIO_WritePin(DC_GPIO_Port,DC_Pin,GPIO_PIN_SET);
}
HAL_GPIO_WritePin(CS_GPIO_Port,CS_Pin,GPIO_PIN_RESET);
for(i=0;i<8;i++)
{
HAL_GPIO_WritePin(D0_GPIO_Port,D0_Pin,GPIO_PIN_RESET);
if(dat&0x80)
HAL_GPIO_WritePin(D1_GPIO_Port,D1_Pin,GPIO_PIN_SET);
else
HAL_GPIO_WritePin(D1_GPIO_Port,D1_Pin,GPIO_PIN_RESET);
HAL_GPIO_WritePin(D0_GPIO_Port,D0_Pin,GPIO_PIN_SET);
dat<<=1;
}
HAL_GPIO_WritePin(CS_GPIO_Port,CS_Pin,GPIO_PIN_SET);
HAL_GPIO_WritePin(DC_GPIO_Port,DC_Pin,GPIO_PIN_SET);
taskEXIT_CRITICAL();
}
void OLED_Refresh_Gram(void) ///////////////////////////////////2
{
unsigned char i,n;
for(i=0;i<8;i++)
{
OLED_WR_Byte (0xb0+i,0); //设置页地址（0~7）
OLED_WR_Byte (0x00,0); //设置显示位置—列低地址
OLED_WR_Byte (0x10,0); //设置显示位置—列高地址
for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],1);
}
}
void OLED_Set_Pos(unsigned char x, unsigned char y)
{
OLED_WR_Byte(0xb0+y,0);
OLED_WR_Byte(((x&0xf0)>>4)|0x10,0);
OLED_WR_Byte((x&0x0f)|0x01,0);
}
//开启OLED显示
void OLED_Display_On(void) ///////////////////////////////////3
{
OLED_WR_Byte(0X8D,0); //SET DCDC命令
OLED_WR_Byte(0X14,0); //DCDC ON
OLED_WR_Byte(0XAF,0); //DISPLAY ON
}
void OLED_DrawPoint(unsigned char x,unsigned char y,unsigned char t)
{
unsigned char pos,bx,temp=0;
if(x>127||y>63)return;//超出范围了.
pos=7-y/8;
bx=y%8;
temp=1<<(7-bx);
if(t)OLED_GRAM[x][pos]|=temp;
else OLED_GRAM[x][pos]&=~temp;
}
void OLED_Fill(unsigned char x1,unsigned char y1,unsigned char x2,unsigned char y2,unsigned char dot) ///////////////////////////4
{
unsigned char x,y;
for(x=x1;x<=x2;x++)
{
for(y=y1;y<=y2;y++)
{
OLED_DrawPoint(x,y,dot);
}
}
OLED_Refresh_Gram();//更新显示
}
void OLED_Clear(void) ////////////////////////////////////////////////////////////////////////////////5
{
unsigned char i,n;
for(i=0;i<8;i++)
{
for(n=0;n<128;n++)
{
OLED_GRAM[n][i]=0;
}
}
OLED_Refresh_Gram();//更新显示
}
//在指定位置显示一个字符,包括部分字符
//x:0~127
//y:0~63
//mode:0,反白显示;1,正常显示
//size:选择字体 12/16/24
void OLED_ShowChar(unsigned char x,unsigned char y,unsigned char chr,unsigned char ucWid,unsigned char mode) ///////////////////////////6
{
unsigned char temp,t,t1;
unsigned char y0=y;
unsigned char cucWid=(ucWid/8+((ucWid%8)?1:0))*(ucWid/2); //得到字体一个字符对应点阵集所占的字节数
chr=chr-' ';//得到偏移后的值
for(t=0;t<cucWid;t++)
{
if(ucWid==12)temp=ascii_1206[chr][t]; //调用1206字体
else if(ucWid==16)temp=ascii_1608[chr][t]; //调用1608字体
else if(ucWid==24)temp=ascii_2412[chr][t]; //调用2412字体
else return; //没有的字库
for(t1=0;t1<8;t1++)
{
if(temp&0x80)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp<<=1;
y++;
if((y-y0)==ucWid)
{
y=y0;
x++;
break;
}
}
}
}
////////////////////////////////////////////////////////////////////////////////
void OLED_ShowFontHZ(unsigned char x,unsigned char y,unsigned char pos,unsigned char size,unsigned char mode)
{
unsigned char temp,t,t1;
unsigned char y0=y;
unsigned char csize=(size/8+((size%8)?1:0))*(size);//得到字体一个字符对应点阵集所占的字节数
if(size!=12&&size!=16&&size!=24)return; //不支持的size
for(t=0;t<csize;t++)
{
if(size==12)temp=FontHzk[pos][t]; //调用1206字体
else if(size==16)temp=FontHzk[pos][t]; //调用1608字体
else if(size==24)temp=FontHzk[pos][t]; //调用2412字体
else return; //没有的字库
for(t1=0;t1<8;t1++)
{
if(temp&0x80)OLED_DrawPoint(x,y,mode);
else OLED_DrawPoint(x,y,!mode);
temp<<=1;
y++;
if((y-y0)==size)
{
y=y0;
x++;
break;
}
}
}
}
////////////////////////////////////////////
void showstring(char A[], unsigned char x ,unsigned char y) ///////////////////////////////////////////7
{
OLED_Clear();
int len,i=0;
unsigned a=1,b=1;
len=strlen(A);
a=x+a;
b=y+b;
while(i<len)
{
OLED_ShowChar(a,b,A[i],16,1);
a=a+9;
if((i>12)&&(((i-12)%13)==1))
{
a=1+x;
b=b+16;
}
i=i+1;
}
OLED_Refresh_Gram() ;
}
void plusstring(char A[], unsigned char x ,unsigned char y) ///////////////////////////////////////////8
{
int len,i=0;
unsigned a=1,b=1;
len=strlen(A);
a=x+a;
b=y+b;
while(i<len)
{
OLED_ShowChar(a,b,A[i],16,1);
a=a+9;
if((i>12)&&(((i-12)%13)==1))
{
a=1+x;
b=b+16;
}
i=i+1;
}
OLED_Refresh_Gram() ;
}
void roll_x_string(char A[], unsigned char x1 ,unsigned char y1, unsigned char x2) /////////////////////////////////9
{
if(x1>x2)
{
while((x1-x2)>10)
{
showstring(A,x1,y1);
x1=x1-10;
}
showstring(A,x2,y1);
}
else
{
while((x2-x1)>5)
{
showstring(A,x1,y1);
x1=x1+5;
}
showstring(A,x2,y1);
}
}
void roll_y_string(char A[], unsigned char x1 ,unsigned char y1, unsigned char y2) /////////////////////////////////10
{
if(y1>y2)
{
while(y1>y2)
{
showstring(A,x1,y1);
y1=y1-1;
}
}
else
{
while(y1<y2)
{
showstring(A,x1,y1);
y1=y1+1;
}
}
}
void OLED_Init() /////////////////////////////////12
{
HAL_GPIO_WritePin(RES_GPIO_Port,RES_Pin,GPIO_PIN_SET);
osDelay(100);
HAL_GPIO_WritePin(RES_GPIO_Port,RES_Pin,GPIO_PIN_RESET);
osDelay(100);
HAL_GPIO_WritePin(RES_GPIO_Port,RES_Pin,GPIO_PIN_SET);
OLED_WR_Byte(0xAE,0); //关闭显示
OLED_WR_Byte(0xD5,0); //设置时钟分频因子,震荡频率
OLED_WR_Byte(80,0); //[3:0],分频因子;[7:4],震荡频率
OLED_WR_Byte(0xA8,0); //设置驱动路数
OLED_WR_Byte(0X3F,0); //默认0X3F(1/64)
OLED_WR_Byte(0xD3,0); //设置显示偏移
OLED_WR_Byte(0X00,0); //默认为0
OLED_WR_Byte(0x40,0); //设置显示开始行 [5:0],行数.
OLED_WR_Byte(0x8D,0); //电荷泵设置
OLED_WR_Byte(0x14,0); //bit2，开启/关闭
OLED_WR_Byte(0x20,0); //设置内存地址模式
OLED_WR_Byte(0x02,0); //[1:0],00，列地址模式;01，行地址模式;10,页地址模式;默认10;
OLED_WR_Byte(0xA1,0); //段重定义设置,bit0:0,0->0;1,0->127;
OLED_WR_Byte(0xC0,0); //设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数
OLED_WR_Byte(0xDA,0); //设置COM硬件引脚配置
OLED_WR_Byte(0x12,0); //[5:4]配置
OLED_WR_Byte(0x81,0); //对比度设置
OLED_WR_Byte(0x7F,0); //1~255;默认0X7F (亮度设置,越大越亮)
OLED_WR_Byte(0xD9,0); //设置预充电周期
OLED_WR_Byte(0xf1,0); //[3:0],PHASE 1;[7:4],PHASE 2;
OLED_WR_Byte(0xDB,0); //设置VCOMH 电压倍率
OLED_WR_Byte(0x30,0); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc;
OLED_WR_Byte(0xA4,0); //全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏)
OLED_WR_Byte(0xA6,0); //设置显示方式;bit0:1,反相显示;0,正常显示
OLED_WR_Byte(0xAF,0); //开启显示
OLED_Clear();
}
void sciishow(char *box, unsigned char A)
{
unsigned char high, low;
high=(A&0xf0)>>4;
low=A&0x0f;
if(high>=0x0A)
{
box[0]=high+0x37;
}
else
{
box[0]=high+0x30;
}
if(low>=0x0A)
{
box[1]=low+0x37;
}
else
{
box[1]=low+0x30;
}
}