STM32控制0.96寸OLED（4針/4Pin）漢字以及數字，英文顯示
聲明：源碼在中景園電子51單片機例程以及個人項目上更改而來，請勿用作商業用途，僅供學習交流使用！
前言：在網上找例程不是不符合，就是需要積分亦或會員，遂修改之前溫溼度項目的51單片機程序，成功。在此供大家免費交流使用。漢字顯示時需要一些時間去琢磨取模軟件數值在數組中的排布。需要交流可加文末QQ。
/*------------------------------------------
接線方式：
SCL——GPIOD_6
SDA——GPIOD_7
------------------------------------------*/
1.main.c
//**主函數，顯示效果大致如下：**
當前溼度： %
設定： &
-------------------
#include "stm32f10x.h"
//#include "stdio.h"
//#include "usart.h"
#include "delay.h"
//#include "led.h"
#include "oled.h"
int main(void)
{
// Usart1_Init(115200);//串口1初始化，設置波特率
// delay_init();
// led_init();
OLED_GPIO_Init();
Initial_LY096BG30();//初始化液晶模塊以及IIC通信
delay_ms(5);
// printf("All init over\n");
while(1)
{
picture_2();//顯示效果如上邊標題所示
delay_ms(800);
}
}
2.oled.c
#include "oled.h"
#include "stdlib.h"
#include "oledfont.h"
#include "delay.h"
#define high 1
#define low 0
//int a,b;
void OLED_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
//開啓GPIOD的時鐘
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
//設置GPIO的基本參數
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_6 ;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP; //推輓輸出
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; //輸出速度50MHz
GPIO_Init(GPIOD, &GPIO_InitStruct);
GPIO_SetBits(GPIOD, GPIO_Pin_6 | GPIO_Pin_7 );
}
/*************Pin Define***************/
//extern int num;
//sbit SCL=P2^2;
//sbit SDA=P2^1;
/****************************************************/
void Initial_LY096BG30();
void picture_1(int Y,int K,int S,int L);
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);
/***********************Initial code*********************/
void Initial_LY096BG30()
{
Write_IIC_Command(0xAE); //display off
Write_IIC_Command(0x20); //Set Memory Addressing Mode
Write_IIC_Command(0x10); //00,Horizontal Addressing Mode;01,Vertical Addressing Mode;10,Page Addressing Mode (RESET);11,Invalid
Write_IIC_Command(0xb0); //Set Page Start Address for Page Addressing Mode,0-7
Write_IIC_Command(0xc8); //Set COM Output Scan Direction
Write_IIC_Command(0x00);//---set low column address
Write_IIC_Command(0x10);//---set high column address
Write_IIC_Command(0x40);//--set start line address
Write_IIC_Command(0x81);//--set contrast control register
Write_IIC_Command(0x7f);
Write_IIC_Command(0xa1);//--set segment re-map 0 to 127
Write_IIC_Command(0xa6);//--set normal display
Write_IIC_Command(0xa8);//--set multiplex ratio(1 to 64)
Write_IIC_Command(0x3F);//
Write_IIC_Command(0xa4);//0xa4,Output follows RAM content;0xa5,Output ignores RAM content
Write_IIC_Command(0xd3);//-set display offset
Write_IIC_Command(0x00);//-not offset
Write_IIC_Command(0xd5);//--set display clock divide ratio/oscillator frequency
Write_IIC_Command(0xf0);//--set divide ratio
Write_IIC_Command(0xd9);//--set pre-charge period
Write_IIC_Command(0x22); //
Write_IIC_Command(0xda);//--set com pins hardware configuration
Write_IIC_Command(0x12);
Write_IIC_Command(0xdb);//--set vcomh
Write_IIC_Command(0x20);//0x20,0.77xVcc
Write_IIC_Command(0x8d);//--set DC-DC enable
Write_IIC_Command(0x14);//
Write_IIC_Command(0xaf);//--turn on oled panel
}
/************************************************Picture Code**************************************************/
unsigned char shows[]= {
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,/*"0",*/
0x00,0x00,0x10,0x10,0xF8,0x00,0x00,0x00,/*"1",*///
0x00,0x70,0x08,0x08,0x08,0x08,0xF0,0x00,/*"2",*///
0x00,0x30,0x08,0x08,0x08,0x88,0x70,0x00,/*"3",*///
0x00,0x00,0x80,0x40,0x30,0xF8,0x00,0x00,/*"4",*///
0x00,0xF8,0x88,0x88,0x88,0x08,0x08,0x00,/*"5",*///
0x00,0xE0,0x10,0x88,0x88,0x90,0x00,0x00,/*"6",*///
0x00,0x18,0x08,0x08,0x88,0x68,0x18,0x00,/*"7",*///
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,/*"8",*///
0x00,0xF0,0x08,0x08,0x08,0x10,0xE0,0x00,/*"9",*///
0x01,0x01,0x01,0x81,0x41,0x21,0x1F,0x23, 0x5F,0xA3,0x1F,0x21,0x41,0x81,0x01,0x01,/*"未命名文件",0*///768-783當開始灑水顯示灑水圖案 上
0x10,0x10,0x14,0xD4,0x54,0x54,0x54,0xFC, 0x52,0x52,0x52,0xD3,0x12,0x10,0x10,0x00,/*"重置*///864-895當藍牙連接時顯示Link 上
0x00,0x17,0x15,0xD5,0x55,0x57,0x55,0x7D, 0x55,0x57,0x55,0xD5,0x15,0x17,0x00,0x00,//895/*"n",2*//*"k",3*/
};
unsigned char showx[]= {
0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,/*"0",*/
0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,/*"1",*///
0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,/*"2",*///
0x00,0x18,0x20,0x21,0x21,0x22,0x1C,0x00,/*"3",*///
0x00,0x06,0x05,0x24,0x24,0x3F,0x24,0x24,/*"4",*///
0x00,0x19,0x20,0x20,0x20,0x11,0x0E,0x00,/*"5",*///
0x00,0x0F,0x11,0x20,0x20,0x20,0x1F,0x00,/*"6",*///
0x00,0x00,0x00,0x3E,0x01,0x00,0x00,0x00,/*"7",*///
0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,/*"8",*///
0x00,0x01,0x12,0x22,0x22,0x11,0x0F,0x00,/*"9",*///
0x84,0x42,0x21,0x10,0x08,0x04,0x02,0x01, 0x00,0x00,0x03,0x04,0x08,0x10,0x21,0x42,/*"未命名文件",0*///896-911當開始灑水顯示灑水圖案 下
0x40,0x40,0x50,0x57,0x55,0x55,0x55,0x7F, 0x55,0x55,0x55,0x57,0x50,0x40,0x40,0x00,/*重置*///992-10023當藍牙連接時顯示Link 下
0x40,0x40,0x40,0x7F,0x55,0x55,0x55,0x55, 0x55,0x55,0x55,0x7F,0x40,0x40,0x40,0x00//1023/*"n",2*//*"k",3*/
};
unsigned char show1[]= {
/*-------------------------------------111111111111111111------------------------------------------------------------*/
//第1-1行
0x00,0x40,0x42,0x44,0x58,0x40,0x40,0x7F, 0x40,0x40,0x50,0x48,0xC6,0x00,0x00,0x00,/*"當",1-1*/
0x08,0x08,0xE8,0x29,0x2E,0x28,0xE8,0x08, 0x08,0xC8,0x0C,0x0B,0xE8,0x08,0x08,0x00,/*"前",1-1*/
0x10,0x60,0x02,0x8C,0x00,0xFE,0x92,0x92, 0x92,0x92,0x92,0x92,0xFE,0x00,0x00,0x00,/*"溼",1-1*/
0x00,0x00,0xFC,0x24,0x24,0x24,0xFC,0x25, 0x26,0x24,0xFC,0x24,0x24,0x24,0x04,0x00,/*"度",1-1*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"：",1-1*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//第80-87 88-95測量溼度需要實時更新上半部
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xF0,0x08,0xF0,0x80,0x60,0x18,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"%",0*///127
//第1-2行
0x00,0x40,0x44,0x44,0x44,0x44,0x44,0x44, 0x44,0x44,0x44,0x44,0xFF,0x00,0x00,0x00,/*"當",1-2*/
0x00,0x00,0xFF,0x09,0x49,0x89,0x7F,0x00, 0x00,0x0F,0x40,0x80,0x7F,0x00,0x00,0x00,/*"前",1-2*/
0x04,0x04,0x7E,0x01,0x44,0x48,0x50,0x7F, 0x40,0x40,0x7F,0x50,0x48,0x44,0x40,0x00,/*"溼",1-2*/
0x40,0x30,0x8F,0x80,0x84,0x4C,0x55,0x25, 0x25,0x25,0x55,0x4C,0x80,0x80,0x80,0x00,/*"度",1-2*/
0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"：",1-2*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//208-215 216-223測量溼度需要實時更新下半部
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x31,0x0C,0x03,0x1E,0x21,0x1E,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"%",0*///255
/*-------------------------------------22222222222222222222------------------------------------------------------------------*/
//第2-1行
0x40,0x40,0x42,0xCC,0x00,0x40,0xA0,0x9E, 0x82,0x82,0x82,0x9E,0xA0,0x20,0x20,0x00,/*"設",0*/
0x10,0x0C,0x44,0x44,0x44,0x44,0x45,0xC6, 0x44,0x44,0x44,0x44,0x44,0x14,0x0C,0x00,/*"定",1*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"：",1-1*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//304-311 312-319設定溼度存於EEPROM 上
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xF0,0x08,0xF0,0x80,0x60,0x18,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"%",0*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, //383
//第2-2行
0x00,0x00,0x00,0x3F,0x90,0x88,0x40,0x43, 0x2C,0x10,0x28,0x46,0x41,0x80,0x80,0x00,/*"設",0*/
0x80,0x40,0x20,0x1E,0x20,0x40,0x40,0x7F, 0x44,0x44,0x44,0x44,0x44,0x40,0x40,0x00,/*"定",1*/
0x00,0x00,0x36,0x36,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"：",1-2*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//432-439 440-447設定溼度存於EEPROM 下
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x31,0x0C,0x03,0x1E,0x21,0x1E,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"%",0*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//511
/*-------------------------------------3333333333333333------------------------------------------------------------------*/
//第3-1行
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//639
//第3-2行
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01, 0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//767
/*-------------------------------------444444444444444444444------------------------------------------------------------*/
//第4-1行
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"未命名文件",0*///768-783當開始灑水顯示灑水圖案 上
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"：",1-1*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*重置1*///864-895當藍牙連接時顯示Link 上
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//895/*"n",2*//*"k",3*/
//第4-2行
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*"未命名文件",0*///896-911當開始灑水顯示灑水圖案 下
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*重置*///992-10023
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//1023/*"n",2*//*"k",3*/
0x00
};
/**********************************************
//IIC Start
**********************************************/
void IIC_Start()
{
// SCL = high;
// //Delay_us(1);
// SDA = high;
// //Delay_us(1);
// SDA = low;
// // Delay_us(1);
// SCL = low;
// // Delay_us(1);
SCL_1();
SDA_1();
SDA_0();
SCL_0();
}
/**********************************************
//IIC Stop
**********************************************/
void IIC_Stop()
{
// SCL = low;
// //Delay_us(1);
// SDA = low;
// //Delay_us(1);
// SCL = high;
// //Delay_us(1);
// SDA = high;
// //Delay_us(1);
SCL_0();
SDA_0();
SCL_1();
SDA_1();
}
/**********************************************
// IIC Write byte
**********************************************/
void Write_IIC_Byte(unsigned char IIC_Byte)//i++
{
unsigned char i;
for(i=0; i<8; i++)
{
if(IIC_Byte & 0x80) //1?0?
// SDA=high; //將數據轉換爲高低電平寫入 每一個循環寫入一8格數列
SDA_1();
else
// SDA=low;
SDA_0();
//Delay_us(1);
// SCL=high;
SCL_1();
//Delay_us(1);
// SCL=low;
SCL_0();
//Delay_us(1);
IIC_Byte<<=1;
}
// SDA=1;
SDA_1();
//Delay_us(1);
// SCL=1;
SCL_1();
//Delay_us(1);
// SCL=0;
SCL_0();
//Delay_us(1);
}
/**********************************************
// IIC Write Command
**********************************************/
void Write_IIC_Command(unsigned char IIC_Command)
{
IIC_Start();
Write_IIC_Byte(0x78); //Slave address,SA0=0
Write_IIC_Byte(0x00); //write command
Write_IIC_Byte(IIC_Command);
IIC_Stop();
}
/**********************************************
// IIC Write Data
**********************************************/
void Write_IIC_Data(unsigned char IIC_Data)
{
IIC_Start();
Write_IIC_Byte(0x78);
Write_IIC_Byte(0x40); //write data
Write_IIC_Byte(IIC_Data);
IIC_Stop();
}
/********************************************
// fill_Picture
********************************************/
//void fill_picture(unsigned char fill_Data)
//{
// unsigned char m,n;
// for(m=0; m<8; m++)
// {
// Write_IIC_Command(0xb0+m); //page0-page1
// Write_IIC_Command(0x00); //low column start address
// Write_IIC_Command(0x10); //high column start address
// for(n=0; n<128; n++)
// {
// Write_IIC_Data(fill_Data);
// }
// }
//}
void picture_2(void)
{
unsigned char x,y,i;
Write_IIC_Command(0xb0+y);
Write_IIC_Command(0x00);
Write_IIC_Command(0x10);
for(y=0; y<8; y++) //屏幕分爲8行
{
for(x=0; x<128; x++) //每行寫入128*8=1024個0X？？
{
Write_IIC_Data(show1[i++]);
}
}
}
3.oled.h
//主要將GPIO重定義，以及函數聲明
#ifndef __OLED_H
#define __OLED_H
#include "sys.h"
#include "stdlib.h"
#define SCL_0() GPIO_ResetBits(GPIOD,GPIO_Pin_6)//CLK
#define SCL_1() GPIO_SetBits(GPIOD,GPIO_Pin_6)
#define SDA_0() GPIO_ResetBits(GPIOD,GPIO_Pin_7)//DIN
#define SDA_1() GPIO_SetBits(GPIOD,GPIO_Pin_7)
void OLED_GPIO_Init(void);
void Initial_LY096BG30();
//void picture_1(int Y,int K,int S,int L);
void picture_2();
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);
#endif
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