init
This commit is contained in:
MobKBK
325
HARDWARE/oled.c
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325
HARDWARE/oled.c
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#include "oled.h"
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#include "stdlib.h"
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#include "oledfont.h"
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#include "delay.h"
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u8 OLED_GRAM[128][8];
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/**************************************************************************
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Function: Refresh the OLED screen
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Input : none
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Output : none
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函数功能：刷新OLED屏幕
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入口参数：无
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返回 值：无
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**************************************************************************/
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void OLED_Refresh_Gram(void)
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{
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u8 i,n;
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for(i=0;i<8;i++)
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{
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OLED_WR_Byte (0xb0+i,OLED_CMD); //Set page address (0~7) //设置页地址（0~7）
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OLED_WR_Byte (0x00,OLED_CMD); //Set the display location - column low address //设置显示位置—列低地址
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OLED_WR_Byte (0x10,OLED_CMD); //Set the display location - column height address //设置显示位置—列高地址
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for(n=0;n<128;n++)OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA);
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}
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}
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/**************************************************************************
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Function: Refresh the OLED screen
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Input : Dat: data/command to write, CMD: data/command flag 0, represents the command;1, represents data
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Output : none
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函数功能：向OLED写入一个字节
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入口参数：dat:要写入的数据/命令，cmd:数据/命令标志 0,表示命令;1,表示数据
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返回 值：无
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**************************************************************************/
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void OLED_WR_Byte(u8 dat,u8 cmd)
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{
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u8 i;
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if(cmd)
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OLED_RS_Set();
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else
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OLED_RS_Clr();
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for(i=0;i<8;i++)
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{
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OLED_SCLK_Clr();
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if(dat&0x80)
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OLED_SDIN_Set();
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else
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OLED_SDIN_Clr();
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OLED_SCLK_Set();
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dat<<=1;
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}
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OLED_RS_Set();
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}
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/**************************************************************************
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Function: Turn on the OLED display
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Input : none
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Output : none
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函数功能：开启OLED显示
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入口参数：无
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返回 值：无
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**************************************************************************/
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void OLED_Display_On(void)
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{
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OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC command //SET DCDC命令
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OLED_WR_Byte(0X14,OLED_CMD); //DCDC ON
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OLED_WR_Byte(0XAF,OLED_CMD); //DISPLAY ON
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}
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/**************************************************************************
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Function: Turn off the OLED display
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Input : none
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Output : none
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函数功能：关闭OLED显示
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入口参数：无
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返回 值：无
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**************************************************************************/
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void OLED_Display_Off(void)
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{
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OLED_WR_Byte(0X8D,OLED_CMD); //SET DCDC command //SET DCDC命令
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OLED_WR_Byte(0X10,OLED_CMD); //DCDC OFF
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OLED_WR_Byte(0XAE,OLED_CMD); //DISPLAY OFF
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}
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/**************************************************************************
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Function: Screen clear function, clear the screen, the entire screen is black, and did not light up the same
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Input : none
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Output : none
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函数功能：清屏函数,清完屏,整个屏幕是黑色的，和没点亮一样
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入口参数：无
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返回 值：无
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**************************************************************************/
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void OLED_Clear(void)
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{
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u8 i,n;
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for(i=0;i<8;i++)for(n=0;n<128;n++)OLED_GRAM[n][i]=0X00;
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OLED_Refresh_Gram(); //Update the display //更新显示
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}
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/**************************************************************************
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Function: Draw point
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Input : x,y: starting coordinate;T :1, fill,0, empty
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Output : none
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函数功能：画点
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入口参数：x,y :起点坐标; t:1,填充,0,清空
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返回 值：无
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**************************************************************************/
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void OLED_DrawPoint(u8 x,u8 y,u8 t)
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{
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u8 pos,bx,temp=0;
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if(x>127||y>63)return;//超出范围了.
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pos=7-y/8;
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bx=y%8;
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temp=1<<(7-bx);
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if(t)OLED_GRAM[x][pos]|=temp;
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else OLED_GRAM[x][pos]&=~temp;
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}
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/**************************************************************************
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Function: Displays a character, including partial characters, at the specified position
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Input : x,y: starting coordinate;Len: The number of digits;Size: font size;Mode :0, anti-white display,1, normal display
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Output : none
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函数功能：在指定位置显示一个字符,包括部分字符
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入口参数：x,y :起点坐标; len :数字的位数; size:字体大小; mode:0,反白显示,1,正常显示
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返回 值：无
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**************************************************************************/
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void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size,u8 mode)
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{
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u8 temp,t,t1;
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u8 y0=y;
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chr=chr-' '; //Get the offset value //得到偏移后的值
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for(t=0;t<size;t++)
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{
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if(size==12)temp=oled_asc2_1206[chr][t]; //Invoke 1206 font //调用1206字体
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else temp=oled_asc2_1608[chr][t]; //Invoke the 1608 font //调用1608字体
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for(t1=0;t1<8;t1++)
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{
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if(temp&0x80)OLED_DrawPoint(x,y,mode);
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else OLED_DrawPoint(x,y,!mode);
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temp<<=1;
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y++;
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if((y-y0)==size)
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{
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y=y0;
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x++;
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break;
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}
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}
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}
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}
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/**************************************************************************
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Function: Find m to the NTH power
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Input : m: base number, n: power number
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Output : none
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函数功能：求m的n次方的函数
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入口参数：m：底数，n：次方数
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返回 值：无
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**************************************************************************/
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u32 oled_pow(u8 m,u8 n)
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{
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u32 result=1;
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while(n--)result*=m;
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return result;
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}
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/**************************************************************************
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Function: Displays 2 numbers
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Input : x,y: starting coordinate;Len: The number of digits;Size: font size;Mode: mode, 0, fill mode, 1, overlay mode;Num: value (0 ~ 4294967295);
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Output : none
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函数功能：显示2个数字
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入口参数：x,y :起点坐标; len :数字的位数; size:字体大小; mode:模式, 0,填充模式, 1,叠加模式; num:数值(0~4294967295);
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返回 值：无
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**************************************************************************/
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void OLED_ShowNumber(u8 x,u8 y,u32 num,u8 len,u8 size)
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{
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u8 t,temp;
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u8 enshow=0;
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for(t=0;t<len;t++)
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{
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temp=(num/oled_pow(10,len-t-1))%10;
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if(enshow==0&&t<(len-1))
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{
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if(temp==0)
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{
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OLED_ShowChar(x+(size/2)*t,y,' ',size,1);
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continue;
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}else enshow=1;
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}
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OLED_ShowChar(x+(size/2)*t,y,temp+'0',size,1);
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}
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}
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/**************************************************************************
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Function: Display string
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Input : x,y: starting coordinate;*p: starting address of the string
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Output : none
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函数功能：显示字符串
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入口参数：x,y :起点坐标; *p:字符串起始地址
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返回 值：无
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**************************************************************************/
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void OLED_ShowString(u8 x,u8 y,const u8 *p)
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{
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#define MAX_CHAR_POSX 122
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#define MAX_CHAR_POSY 58
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while(*p!='\0')
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{
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if(x>MAX_CHAR_POSX){x=0;y+=16;}
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if(y>MAX_CHAR_POSY){y=x=0;OLED_Clear();}
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OLED_ShowChar(x,y,*p,12,1);
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x+=8;
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p++;
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}
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}
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/**************************************************************************
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Function: Initialize the OLED
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Input : none
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Output : none
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函数功能：初始化OLED
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入口参数: 无
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返回 值：无
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**************************************************************************/
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void OLED_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure;
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//Enable pB port clock
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//使能PB端口时钟
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD , ENABLE); //使能GPIOC
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//Port configuration
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//端口配置
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //输出
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GPIO_InitStructure.GPIO_OType =GPIO_OType_PP;
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GPIO_InitStructure.GPIO_Speed =GPIO_Speed_2MHz; //2M
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;//根据设定参数初始化GPIO
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GPIO_Init(GPIOD, &GPIO_InitStructure);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR , ENABLE); //PWR使能
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//Allows you to modify RTC and backup registers
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//允许修改RTC和后备寄存器
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PWR_BackupAccessCmd(ENABLE);
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//Turn off the external low speed external clock signal function, PC13, PC14, PC15 can be used as normal IO
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//关闭外部低速外部时钟信号功能 后，PC13 PC14 PC15 才可以当普通IO用
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RCC_LSEConfig(RCC_LSE_OFF);
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//Do not modify the backup register
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//禁止修改后备寄存器
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PWR_BackupAccessCmd(DISABLE);
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OLED_RST_Clr();
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delay_ms(100);
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OLED_RST_Set();
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OLED_WR_Byte(0xAE,OLED_CMD); //Close display //关闭显示
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OLED_WR_Byte(0xD5,OLED_CMD); //The frequency frequency factor, the frequency of the shock //设置时钟分频因子,震荡频率
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OLED_WR_Byte(80,OLED_CMD); //[3:0], the frequency dividing factor;[7:4], oscillation frequency //[3:0],分频因子;[7:4],震荡频率
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OLED_WR_Byte(0xA8,OLED_CMD); //Set the number of driver paths //设置驱动路数
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OLED_WR_Byte(0X3F,OLED_CMD); //Default 0x3f(1/64) //默认0X3F(1/64)
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OLED_WR_Byte(0xD3,OLED_CMD); //Setting display deviation //设置显示偏移
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OLED_WR_Byte(0X00,OLED_CMD); //Default is 0//默认为0
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OLED_WR_Byte(0x40,OLED_CMD); //Sets the number of rows to display starting line [5:0] //设置显示开始行 [5:0],行数
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OLED_WR_Byte(0x8D,OLED_CMD); //Charge pump setup //电荷泵设置
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OLED_WR_Byte(0x14,OLED_CMD); //Bit2, on/off //bit2，开启/关闭
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OLED_WR_Byte(0x20,OLED_CMD); //Set up the memory address mode //设置内存地址模式
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OLED_WR_Byte(0x02,OLED_CMD); //[1:0],00, column address mode;01, line address mode;10. Page address mode;The default 10; //[1:0],00，列地址模式;01，行地址模式;10,页地址模式;默认10;
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OLED_WR_Byte(0xA1,OLED_CMD); //Segment redefine setting,bit0:0,0- >;0;1, 0 - & gt;127; //段重定义设置,bit0:0,0->0;1,0->127;
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OLED_WR_Byte(0xC0,OLED_CMD); //Set the COM scan direction;Bit3:0, normal mode;1, Re-define schema COM[n-1]- >;COM0;N: Number of driving paths//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
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OLED_WR_Byte(0xDA,OLED_CMD); //Set the COM hardware pin configuration //设置COM硬件引脚配置
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OLED_WR_Byte(0x12,OLED_CMD); //[5:4]configuration //[5:4]配置
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OLED_WR_Byte(0x81,OLED_CMD); //Contrast Settings //对比度设置
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OLED_WR_Byte(0xEF,OLED_CMD); //1~ 255; Default 0x7f (brightness Settings, the bigger the brighter) //1~255;默认0X7F (亮度设置,越大越亮)
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OLED_WR_Byte(0xD9,OLED_CMD); //Set the pre-charging cycle //设置预充电周期
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OLED_WR_Byte(0xf1,OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2;
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OLED_WR_Byte(0xDB,OLED_CMD); //Setting vcomh voltage multiplier//设置VCOMH 电压倍率
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OLED_WR_Byte(0x30,OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc;
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OLED_WR_Byte(0xA4,OLED_CMD); //Global display; Bit0:1, open; 0, close; (white screen/black screen)//全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏)
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OLED_WR_Byte(0xA6,OLED_CMD); //Settings display mode; Bit0:1, anti-phase display; 0, normal display//设置显示方式;bit0:1,反相显示;0,正常显示
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OLED_WR_Byte(0xAF,OLED_CMD); //Open display //开启显示
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OLED_Clear();
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}
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/**************************************************************************
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Function: Display character
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Input : x: indicates the horizontal coordinates displayed; Y: the vertical coordinates that show the display;
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no: the line number in the array of the Chinese character (module) in the hzk-and "array", which is determined by the line number to determine the characters shown in the array,
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The value of the width of the font here must be consistent with the size of the dot matrix value of the use of the word mold.
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font_height: the font is high for the use of the word mold, because my screen pixels are 32hours, 128----0~ 7, and four bits per page
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Output : none
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Note: this method is used to show that the Chinese character must satisfy the size of the word that the word model generates the software to generate the same size as the dot matrix
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函数功能：显示汉字
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入口参数: x：表示显示的水平坐标; y: 表示显示的垂直坐标;
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no: 表示要显示的汉字（模组）在hzk[][]数组中的行号,通过行号来确定在数组中要显示的汉字,
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这里字体的宽font_width的值必须与用字模制作软件生成字模时的点阵值大小一致;
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font_height:为用字模制作软件生成字模时字体的高,由于我的屏像素为32*128-----0~7共8页，每页4个位
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返回 值：无
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注意：用这种方法来显示汉字一定要满足用字模生成软件生成的字宽与点阵大小相同才行，否者容易乱码
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**************************************************************************/
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void OLED_ShowCHinese(u8 x,u8 y,u8 no,u8 font_width,u8 font_height)
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{
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u8 t, i;
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for(i=0;i<(font_height/8);i++) //The maximum height of font_height is 32. this screen is only 8 pages (line), four digits per page
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//font_height最大值为32，这张屏只有8个页（行），每页4个位
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{
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OLED_Set_Pos(x,y+i);
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for(t=0;t<font_width;t++) //The maximum value of font_width is 128. the screen is only that large
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//font_width最大值为128，屏幕只有这么大
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{
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OLED_WR_Byte(Hzk16[(font_height/8)*no+i][t],OLED_DATA);
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}
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}
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}
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/**************************************************************************
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Function: Set the coordinates (position) displayed on the screen.
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Input : x, y: starting point coordinates
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Output : none
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函数功能：设置汉字在屏幕上显示的坐标（位置）
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入口参数: x,y :起点坐标
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返回 值：无
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**************************************************************************/
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void OLED_Set_Pos(unsigned char x, unsigned char y)
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{
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OLED_WR_Byte(0xb0+y,OLED_CMD);
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OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);
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OLED_WR_Byte((x&0x0f),OLED_CMD);
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}
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