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#include "oled.h"
#include "AsciiLib.h"
#include "HzLib.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
#define Page 8
void OLED_WB(uint8_t data)
{
/* Loop while DR register in not emplty */
while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);
/* Send byte through the SPI2 peripheral */
SPI_I2S_SendData(SPI1, data);
}
/*******************一個字節數據寫入***********************/
void LCD_WrDat(unsigned char dat)
{
OLED_DC_H;
OLED_WB(dat);
}
/********************一條指令寫入**********************/
void LCD_WrCmd(unsigned char cmd)
{
OLED_DC_L;
OLED_WB(cmd);
}
/**********************設置顯示位置**********************/
void LCD_Set_Pos(unsigned char x, unsigned char y)
{
/* Page addressing mode */
LCD_WrCmd(0xb0+(y&0x07));/* set page start address */
LCD_WrCmd(x&0x0f);/* set lower nibble of the column address */
LCD_WrCmd(((x&0xf0)>>4)|0x10); /* set higher nibble of the column address */
}
/**********************寫滿屏數據**********************/
void LCD_Fill(unsigned char bmp_dat)
{
unsigned char y,x;
LCD_WrCmd(0x20);//-Set Page Addressing Mode (0x00/0x01/0x02)
LCD_WrCmd(0x00);//
LCD_WrCmd(0x21);//-Set Column Address
LCD_WrCmd(0x00);
LCD_WrCmd(0x7f);
LCD_WrCmd(0x22);//-Set Page Address
LCD_WrCmd(0x00);
LCD_WrCmd(0x07);
LCD_DLY_ms(1);/* 等待內部穩定 */
for(y=0;y<Page;y++)
{
for(x=0;x<X_WIDTH;x++)
{
LCD_WrDat(bmp_dat);
}
}
// LCD_WrCmd(0xaf);//--turn off oled panel
}
/*********************清屏函數***********************/
void LCD_CLS(void)
{
unsigned char y,x;
for(y=0;y<8;y++)
{
LCD_WrCmd(0xb0+y);
LCD_WrCmd(0x01);
LCD_WrCmd(0x10);
for(x=0;x<X_WIDTH;x++)
LCD_WrDat(0);
LCD_DLY_ms(200);
}
}
/*********************延時函數***********************/
void LCD_DLY_ms(unsigned int ms)
{
unsigned int a;
while(ms)
{
a=1335;
while(a--);
ms--;
}
return;
}
/*********************12864初始化***********************/
void LCD_Init(void)
{
OLED_RST_L;
LCD_DLY_ms(50);
OLED_RST_H;
//從上電到下面開始初始化要有足夠的時間，即等待RC復位完畢
LCD_WrCmd(0xae);//--turn off oled panel
LCD_WrCmd(0xa8);//--set multiplex ratio(1 to 64)
LCD_WrCmd(0x3f);//--1/64 duty
LCD_WrCmd(0xd3);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)
LCD_WrCmd(0x00);//-not offset
LCD_WrCmd(0x40);//--set start line address Set Mapping RAM Display Start Line (0x00~0x3F)
LCD_WrCmd(0xa0);//--Set SEG/Column Mapping 0xa0左右反置 0xa1正常
LCD_WrCmd(0xc0);//Set COM/Row Scan Direction 0xc0上下反置 0xc8正常
LCD_WrCmd(0xda);//--set com pins hardware configuration
LCD_WrCmd(0x12);
LCD_WrCmd(0x81);//--set contrast control register
LCD_WrCmd(0xcf); // Set SEG Output Current Brightness
LCD_WrCmd(0xa4);// Disable Entire Display On (0xa4/0xa5)
LCD_WrCmd(0xa6);// Disable Inverse Display On (0xa6/a7)
LCD_WrCmd(0xd5);//--set display clock divide ratio/oscillator frequency
LCD_WrCmd(0x80);//--set divide ratio, Set Clock as 100 Frames/Sec
LCD_WrCmd(0x8d);//--set Charge Pump enable/disable
LCD_WrCmd(0x14);//--set(0x10) disable
LCD_WrCmd(0xaf);//--turn on oled panel
LCD_WrCmd(0xd9);//--set pre-charge period
LCD_WrCmd(0xf8);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock
LCD_WrCmd(0xdb);//--set vcomh
LCD_WrCmd(0x40);//Set VCOM Deselect Level
LCD_Fill(0x00); //初始清屏
}

復制代碼

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