在4. 51 测量空气的温度和湿度(51单片机 + DHT11温湿度 + LCD1602显示)有介绍
static void OLED_Write_Cmd(unsigned char cmd)
{
I2C_Start();
I2C_WriteByte(0x78); //第一次发送从机地址
I2C_WriteByte(0x00); //第二次发送命令地址
I2C_WriteByte(cmd); //写入指定命令
I2C_Stop();
}
static void OLED_Write_Data(unsigned char data)
{
I2C_Start();
I2C_WriteByte(0x78); //第一次发送从机地址
I2C_WriteByte(0x40); //第二次发送数据地址
I2C_WriteByte(data); //写入指定数据
I2C_Stop();
}
#define OLED_CMD 0
#define OLED_DATA 1
void OLED_Write_Byte(unsigned char data,unsigned char cmd)
{
if(cmd)
{
OLED_Write_Data(data); //写内容
}
else
{
OLED_Write_Cmd(data); //写指令
}
}
void OLED_Set_Pos(unsigned char x,unsigned char y) //x列 y页
{
OLED_Write_Byte(0xb0+y,OLED_CMD); //设置页 0xB0代表页为第0页
OLED_Write_Byte((x&0xf0)>>4|0x10,OLED_CMD); //设置列 高四位 获取高四位数据右移动4位并保存,且让第5位为1
OLED_Write_Byte((x&0f),OLED_CMD) //设置列 低四位 保留最后一位数据
}
void OLED_ON(void)
{
OLED_Write_Byte(0xAF,OLED_CMD); //开启显示
OLED_Write_Byte(0x8D,OLED_CMD); //设置电荷泵
OLED_Write_Byte(0x14,OLED_CMD); //开启电荷泵
}
void OLED_OFF(void)
{
OLED_Write_Byte(0xAE,OLED_CMD); //关闭显示
OLED_Write_Byte(0x8D,OLED_CMD); //设置电荷泵
OLED_Write_Byte(0x10,OLED_CMD); //关闭电荷泵
}
void OLED_Clear(unsigned char x,unsigned char y)
{
unsigned char i = 0,j =0;
for(i=0;i<8;i++) //有8页,循环8次
{
OLED_Write_Byte(0xb0+i,OLED_CMD); //设置页,b0 第0页,+m 偏移页数
OLED_Write_Byte(0x00,OLED_CMD); //设置列的低四位地址
OLED_Write_Byte(0x10,OLED_CMD); //设置列的高四位地址,具体效果可查看oled指令表
for(j=0;j<128;j++) //有128列,循环128次
{
OLED_Write_Byte(0,OLED_DATA); //往128*64个像素点全部写入数据0
}
}
}
void OLED_ShowChar(unsigned char x,unsigned char y,unsigned char Char)
{ //传入参数 x,y分别表示列和页 Char表示字符
unsigned char i,c;
c = Char - ' '; //减掉space空格的ASCII码,的到字符的偏移量
if(x>128) //写满这一页
{
x = 0; //回到第一列
y =+ 2; //页往下翻
}
OLED_Set_Pos(x,y); //设置光标
for(i=0;i<8;i++) //8*16 写上一半
{
OLED_Write_Byte(F8X16[c*16+i],OLED_DATA); //c*16 从空格开始的偏移量,+i 偏移到第i个数据
}
OLED_Set_Pos(x,y+1); //设置光标,写完上一般,写下一半,页数+1
for(i=0;i<8;i++) //8*16 写下一半
{
OLED_Write_Byte(F8X16[c*16+8+i],OLED_DATA); //c*16 从空格开始的偏移量,+8 上一页偏移的8个数据,+i 偏移到第i个数据
}
}
void OLED_ShowStr(unsigned char x,unsigned char y,unsigned char ch[])
{
unsigned char i = 0;
while(ch[i] != '0') //遍历到字符串尾
{
OLED_ShowStr(x,y,ch[i]); //显示字符
if(x>128) //写满这一页
{
x = 0; //回到第一列
y += 2; //页往下翻
}
j++; //偏移字符
}
}
unsigned int OLED_Pow(unsigned char m,unsigned char n)
{ //假设m=10,n=1 2 3 4 ...
unsigned char resulut = 1;
while(n--) //n=1,n=2,n=3
{
result *= m; // ,10 ,100
}
return result; // 1 ,10 ,100
}
void OLED_ShowNum(unsigned char x,unsigned char y,unsigned int num,unsigned char len,unsigned char size)
{ //传入参数 x,y 列和页; num:对应数字; len:数字个数; size:间隔大小
unsigned char temp;
unsigned char t;
unsigned char headflag = 0; //是否为第一个数是否为0的标志
for(t=0;t<len;t++)
{
temp = num/OLED_Pow(10,len-t-1)%10; //将数字一位一位地取出来
if(headflag == 0 && t < (len-1)) //t < (len-1):排除掉num = 0 的时候
{
OLED_ShowChar(x+(size/2)*t,y,' '); //如果数字开头为0,用space空格字符来表示
continue; //跳出循环,避免重复显示
}
else
{
headflag = 1;
}
OLED_ShowChar(x+(size/2)*t,y,temp+'0'); //temp+'0':'0' 从0开始的偏移量
}
}
void OLED_ShowChinese(unsigned char x,unsigned char y,unsigned char NO)
{
unsigned char i = 0,addr = 0;
OLED_Set_Pos(x,y);
for(i=0;i<16;i++) //写汉字的上一半
{
OLED_Writ_Byte(Hzk[NO*2][i],OLED_DATA); //NO*2:距离字库中第一个汉字的偏移量,i:第i个数据
addr += 1;
}
OLED_Set_Pos(x,y+1);
for(i=0;i<16;i++) //写汉字的下一半
{
OLED_Writ_Byte(Hzk[NO*2+1][i+16],OLED_DATA); //NO*2+1:距离字库中第一个汉字的偏移量 +1:汉字下一半的数组,i+16:显示完汉字上一半的16个数据,下一半要偏移16个数据
addr += 1;
}
}
厂家提供的
void OLED_Init(void)
{
OLED_GPIO_Init(); //GPIO?ú3?ê??ˉ
delay_ms(200); //?ó3ù£?óéóúμ¥???úé?μ?3?ê??ˉ±èOLED?ì£??ùò?±?D??óé??ó3ù£?μè′yOLEDé??′??íê3é
OLED_WR_Byte(0xAE,OLED_CMD); //1?±???ê?
OLED_WR_Byte(0x00,OLED_CMD); //éè??μíáDμ??·
OLED_WR_Byte(0x10,OLED_CMD); //éè????áDμ??·
OLED_WR_Byte(0x40,OLED_CMD); //éè???eê?DDμ??·
OLED_WR_Byte(0xB0,OLED_CMD); //éè??ò3μ??·
OLED_WR_Byte(0x81,OLED_CMD); // ??±è?èéè??£??ééè??áá?è
OLED_WR_Byte(0xFF,OLED_CMD); // 265
OLED_WR_Byte(0xA1,OLED_CMD); //éè????£¨SEG£?μ??eê?ó3é?μ??·£?columnμ?127μ??·ê?SEG0μ?μ??·
OLED_WR_Byte(0xA6,OLED_CMD); //?y3£??ê?£?0xa7????ê?
OLED_WR_Byte(0xA8,OLED_CMD); //éè???y?ˉ?·êy£¨16~64£?
OLED_WR_Byte(0x3F,OLED_CMD); //64duty
OLED_WR_Byte(0xC8,OLED_CMD); //??ó3é??£ê?£?COM[N-1]~COM0é¨?è
OLED_WR_Byte(0xD3,OLED_CMD); //éè????ê???ò?
OLED_WR_Byte(0x00,OLED_CMD); //?T??ò?
OLED_WR_Byte(0xD5,OLED_CMD); //éè???eμ′?÷·??μ
OLED_WR_Byte(0x80,OLED_CMD); //ê1ó???è??μ
OLED_WR_Byte(0xD9,OLED_CMD); //éè?? Pre-Charge Period
OLED_WR_Byte(0xF1,OLED_CMD); //ê1ó?1ù·?í????μ
OLED_WR_Byte(0xDA,OLED_CMD); //éè?? com pin configuartion
OLED_WR_Byte(0x12,OLED_CMD); //ê1ó???è??μ
OLED_WR_Byte(0xDB,OLED_CMD); //éè?? Vcomh£??éμ÷?úáá?裨??è?£?
OLED_WR_Byte(0x40,OLED_CMD); ê1ó?1ù·?í????μ
OLED_WR_Byte(0x8D,OLED_CMD); //éè??OLEDμ?oé±?
OLED_WR_Byte(0x14,OLED_CMD); //?a??ê?
OLED_WR_Byte(0xAF,OLED_CMD); //?a??OLED??°???ê?
OLED_Clear(); //???á
OLED_Set_Pos(0,0); //éè??êy?YD′è?μ??eê?DD?¢áD
}
#ifndef _OLED_H
#define _OLED_H
#define I2C_SCL_SET() GPIO_SetBits(GPIOB, GPIO_Pin_0)
#define I2C_SCL_CLR() GPIO_ResetBits(GPIOB, GPIO_Pin_0)
#define I2C_SDA_SET() GPIO_SetBits(GPIOB, GPIO_Pin_1)
#define I2C_SDA_CLR() GPIO_ResetBits(GPIOB, GPIO_Pin_1)
#define I2C_SDA_Read() GPIO_ReadOutputDataBit(GPIOB, GPIO_Pin_1)
#define I2C_Ack 0
#define I2C_NO_Ack 1
#define OLED_CMD 0
#define OLED_DATA 1
void OLED_GPIO_Init(void);
static void I2C_Start(void);
static void I2C_Stop(void);
static unsigned char I2C_Wait_Ack(void);
static void I2C_WriteByte(unsigned char I2C_Byte);
static void OLED_Write_Cmd(unsigned char cmd);
static void OLED_Write_Data(unsigned char data);
void OLED_WR_Byte(unsigned char data,unsigned char cmd);
void OLED_Set_Pos(unsigned char x,unsigned char y);
void OLED_ON(void);
void OLED_OFF(void);
void OLED_Clear(void);
void OLED_Init(void);
void OLED_ShowChar(unsigned char x,unsigned char y,unsigned char Char);
void OLED_ShowStr(unsigned char x,unsigned char y,unsigned char ch[]);
unsigned int OLED_Pow(unsigned char m,unsigned char n);
void OLED_ShowNum(unsigned char x,unsigned char y,unsigned int num,unsigned char len,unsigned char size);
void OLED_ShowChinese(unsigned char x,unsigned char y,unsigned char NO);
#endif
#include "stm32f10x.h"
#include "oled.h"
#include "SysTick.h"
#include "oledfront.h"
void OLED_GPIO_Init(void)
{
GPIO_InitTypeDef I2C_GPIOStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
I2C_GPIOStructure.GPIO_Mode = GPIO_Mode_Out_OD;
I2C_GPIOStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;
I2C_GPIOStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &I2C_GPIOStructure);
I2C_SDA_SET();
I2C_SCL_SET();
}
static void I2C_Start(void)
{
I2C_SDA_SET();
I2C_SCL_SET();
delay_us(1);
I2C_SDA_CLR();
delay_us(1);
I2C_SCL_CLR();
delay_us(1);
}
static void I2C_Stop(void)
{
I2C_SDA_CLR();
delay_us(1);
I2C_SCL_SET();
delay_us(1);
I2C_SDA_SET();
delay_us(1);
}
static unsigned char I2C_Wait_Ack(void)
{
unsigned char Ack;
I2C_SCL_CLR();
delay_us(1);
I2C_SDA_SET();
delay_us(1);
I2C_SCL_SET();
delay_us(1);
if( I2C_SDA_Read() )
{
Ack = I2C_NO_Ack;
}
else
{
Ack = I2C_Ack;
}
I2C_SCL_CLR();
delay_us(1);
return Ack;
}
static void I2C_WriteByte(unsigned char I2C_Byte)
{
unsigned char i = 0;
for(i=0;i<8;i++)
{
I2C_SCL_CLR();
delay_us(1);
if(I2C_Byte & 0x80)
{
I2C_SDA_SET();
}
else
{
I2C_SDA_CLR();
}
I2C_Byte <<= 1;
delay_us(1);
I2C_SCL_SET();
delay_us(1);
}
I2C_SCL_CLR();
delay_us(1);
I2C_Wait_Ack();
}
static void OLED_Write_Cmd(unsigned char cmd)
{
I2C_Start();
I2C_WriteByte(0x78);
I2C_WriteByte(0x00);
I2C_WriteByte(cmd);
I2C_Stop();
}
static void OLED_Write_Data(unsigned char data)
{
I2C_Start();
I2C_WriteByte(0x78);
I2C_WriteByte(0x40);
I2C_WriteByte(data);
I2C_Stop();
}
void OLED_WR_Byte(unsigned char data,unsigned char cmd)
{
if(cmd)
{
OLED_Write_Data(data);
}
else
{
OLED_Write_Cmd(data);
}
}
void OLED_Set_Pos(unsigned char x,unsigned char y)
{
OLED_WR_Byte(0xb0+y,OLED_CMD);
OLED_WR_Byte((x & 0x0f) | 0x01,OLED_CMD);
OLED_WR_Byte((x & 0xf0) >>4 | 0x10,OLED_CMD);
}
void OLED_ON(void)
{
OLED_WR_Byte(0xAF,OLED_CMD);
OLED_WR_Byte(0x8D,OLED_CMD);
OLED_WR_Byte(0x14,OLED_CMD);
}
void OLED_OFF(void)
{
OLED_WR_Byte(0xAE,OLED_CMD);
OLED_WR_Byte(0x8D,OLED_CMD);
OLED_WR_Byte(0x10,OLED_CMD);
}
void OLED_Clear(void)
{
unsigned char i = 0,j = 0;
for(i=0;i<8;i++)
{
OLED_WR_Byte(0xb0+i,OLED_CMD);
OLED_WR_Byte(0x00,OLED_CMD);
OLED_WR_Byte(0x10,OLED_CMD);
for(j=0;j<128;j++)
{
OLED_WR_Byte(0,OLED_DATA);
}
}
}
void OLED_ShowChar(unsigned char x,unsigned char y,unsigned char Char)
{
unsigned char c,i;
c = Char - ' ';
if(x>128)
{
x = 0;
y += 2;
}
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);
}
}
void OLED_ShowStr(unsigned char x,unsigned char y,unsigned char ch[])
{
unsigned char i = 0;
while(ch[i] != '\0')
{
OLED_ShowChar(x,y,ch[i]);
if(x>128)
{
x = 0;
y += 2;
}
i++;
}
}
unsigned int OLED_Pow(unsigned char m,unsigned char n)
{
unsigned int result = 1;
while(n--)
{
result *= m;
}
return result;
}
void OLED_ShowNum(unsigned char x,unsigned char y,unsigned int num,unsigned char len,unsigned char size)
{
unsigned char headflag = 0;
unsigned char temp;
unsigned char t;
for(t=0;t<len;t++)
{
temp = (num/OLED_Pow(10,len-t-1))%10;
if(headflag==0 && t<(len-1)) //排除掉num = 0 的时候
{
if(temp==0)
{
OLED_ShowChar(x+(size/2)*t,y,' ');
continue;
}
else
{
headflag=1;
}
}
OLED_ShowChar(x+(size/2)*t,y,temp+'0');
}
}
void OLED_ShowChinese(unsigned char x,unsigned char y,unsigned char NO)
{
unsigned char i = 0,addr = 0;
OLED_Set_Pos(x,y);
for(i=0;i<16;i++)
{
OLED_WR_Byte(Hzk[2*NO][i],OLED_DATA);
addr += 1;
}
OLED_Set_Pos(x,y+1);
for(i=0;i<16;i++)
{
OLED_WR_Byte(Hzk[2*NO+1][i],OLED_DATA);
addr += 1;
}
}
void OLED_Init(void)
{
OLED_GPIO_Init(); //GPIO?ú3?ê??ˉ
delay_ms(200); //?ó3ù£?óéóúμ¥???úé?μ?3?ê??ˉ±èOLED?ì£??ùò?±?D??óé??ó3ù£?μè′yOLEDé??′??íê3é
OLED_WR_Byte(0xAE,OLED_CMD); //1?±???ê?
OLED_WR_Byte(0x00,OLED_CMD); //éè??μíáDμ??·
OLED_WR_Byte(0x10,OLED_CMD); //éè????áDμ??·
OLED_WR_Byte(0x40,OLED_CMD); //éè???eê?DDμ??·
OLED_WR_Byte(0xB0,OLED_CMD); //éè??ò3μ??·
OLED_WR_Byte(0x81,OLED_CMD); // ??±è?èéè??£??ééè??áá?è
OLED_WR_Byte(0xFF,OLED_CMD); // 265
OLED_WR_Byte(0xA1,OLED_CMD); //éè????£¨SEG£?μ??eê?ó3é?μ??·£?columnμ?127μ??·ê?SEG0μ?μ??·
OLED_WR_Byte(0xA6,OLED_CMD); //?y3£??ê?£?0xa7????ê?
OLED_WR_Byte(0xA8,OLED_CMD); //éè???y?ˉ?·êy£¨16~64£?
OLED_WR_Byte(0x3F,OLED_CMD); //64duty
OLED_WR_Byte(0xC8,OLED_CMD); //??ó3é??£ê?£?COM[N-1]~COM0é¨?è
OLED_WR_Byte(0xD3,OLED_CMD); //éè????ê???ò?
OLED_WR_Byte(0x00,OLED_CMD); //?T??ò?
OLED_WR_Byte(0xD5,OLED_CMD); //éè???eμ′?÷·??μ
OLED_WR_Byte(0x80,OLED_CMD); //ê1ó???è??μ
OLED_WR_Byte(0xD9,OLED_CMD); //éè?? Pre-Charge Period
OLED_WR_Byte(0xF1,OLED_CMD); //ê1ó?1ù·?í????μ
OLED_WR_Byte(0xDA,OLED_CMD); //éè?? com pin configuartion
OLED_WR_Byte(0x12,OLED_CMD); //ê1ó???è??μ
OLED_WR_Byte(0xDB,OLED_CMD); //éè?? Vcomh£??éμ÷?úáá?裨??è?£?
OLED_WR_Byte(0x40,OLED_CMD); ê1ó?1ù·?í????μ
OLED_WR_Byte(0x8D,OLED_CMD); //éè??OLEDμ?oé±?
OLED_WR_Byte(0x14,OLED_CMD); //?a??ê?
OLED_WR_Byte(0xAF,OLED_CMD); //?a??OLED??°???ê?
OLED_Clear(); //???á
OLED_Set_Pos(0,0); //éè??êy?YD′è?μ??eê?DD?¢áD
}
#ifndef __OLEDFRONT_H
#define __OLEDFRONT_H
//³£ÓÃASCII±í
//Æ«ÒÆÁ¿32
//ASCII×Ö·û¼¯
//Æ«ÒÆÁ¿32
//´óС:12*6
/************************************6*8µÄµãÕó************************************/
const unsigned char F6x8[][6] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00,// sp
0x00, 0x00, 0x00, 0x2f, 0x00, 0x00,// !
0x00, 0x00, 0x07, 0x00, 0x07, 0x00,// "
0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14,// #
0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12,// $
0x00, 0x62, 0x64, 0x08, 0x13, 0x23,// %
0x00, 0x36, 0x49, 0x55, 0x22, 0x50,// &
0x00, 0x00, 0x05, 0x03, 0x00, 0x00,// '
0x00, 0x00, 0x1c, 0x22, 0x41, 0x00,// (
0x00, 0x00, 0x41, 0x22, 0x1c, 0x00,// )
0x00, 0x14, 0x08, 0x3E, 0x08, 0x14,// *
0x00, 0x08, 0x08, 0x3E, 0x08, 0x08,// +
0x00, 0x00, 0x00, 0xA0, 0x60, 0x00,// ,
0x00, 0x08, 0x08, 0x08, 0x08, 0x08,// -
0x00, 0x00, 0x60, 0x60, 0x00, 0x00,// .
0x00, 0x20, 0x10, 0x08, 0x04, 0x02,// /
0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E,// 0
0x00, 0x00, 0x42, 0x7F, 0x40, 0x00,// 1
0x00, 0x42, 0x61, 0x51, 0x49, 0x46,// 2
0x00, 0x21, 0x41, 0x45, 0x4B, 0x31,// 3
0x00, 0x18, 0x14, 0x12, 0x7F, 0x10,// 4
0x00, 0x27, 0x45, 0x45, 0x45, 0x39,// 5
0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30,// 6
0x00, 0x01, 0x71, 0x09, 0x05, 0x03,// 7
0x00, 0x36, 0x49, 0x49, 0x49, 0x36,// 8
0x00, 0x06, 0x49, 0x49, 0x29, 0x1E,// 9
0x00, 0x00, 0x36, 0x36, 0x00, 0x00,// :
0x00, 0x00, 0x56, 0x36, 0x00, 0x00,// ;
0x00, 0x08, 0x14, 0x22, 0x41, 0x00,// <
0x00, 0x14, 0x14, 0x14, 0x14, 0x14,// =
0x00, 0x00, 0x41, 0x22, 0x14, 0x08,// >
0x00, 0x02, 0x01, 0x51, 0x09, 0x06,// ?
0x00, 0x32, 0x49, 0x59, 0x51, 0x3E,// @
0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C,// A
0x00, 0x7F, 0x49, 0x49, 0x49, 0x36,// B
0x00, 0x3E, 0x41, 0x41, 0x41, 0x22,// C
0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C,// D
0x00, 0x7F, 0x49, 0x49, 0x49, 0x41,// E
0x00, 0x7F, 0x09, 0x09, 0x09, 0x01,// F
0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A,// G
0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F,// H
0x00, 0x00, 0x41, 0x7F, 0x41, 0x00,// I
0x00, 0x20, 0x40, 0x41, 0x3F, 0x01,// J
0x00, 0x7F, 0x08, 0x14, 0x22, 0x41,// K
0x00, 0x7F, 0x40, 0x40, 0x40, 0x40,// L
0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F,// M
0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F,// N
0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E,// O
0x00, 0x7F, 0x09, 0x09, 0x09, 0x06,// P
0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q
0x00, 0x7F, 0x09, 0x19, 0x29, 0x46,// R
0x00, 0x46, 0x49, 0x49, 0x49, 0x31,// S
0x00, 0x01, 0x01, 0x7F, 0x01, 0x01,// T
0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F,// U
0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F,// V
0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F,// W
0x00, 0x63, 0x14, 0x08, 0x14, 0x63,// X
0x00, 0x07, 0x08, 0x70, 0x08, 0x07,// Y
0x00, 0x61, 0x51, 0x49, 0x45, 0x43,// Z
0x00, 0x00, 0x7F, 0x41, 0x41, 0x00,// [
0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55,// 55
0x00, 0x00, 0x41, 0x41, 0x7F, 0x00,// ]
0x00, 0x04, 0x02, 0x01, 0x02, 0x04,// ^
0x00, 0x40, 0x40, 0x40, 0x40, 0x40,// _
0x00, 0x00, 0x01, 0x02, 0x04, 0x00,// '
0x00, 0x20, 0x54, 0x54, 0x54, 0x78,// a
0x00, 0x7F, 0x48, 0x44, 0x44, 0x38,// b
0x00, 0x38, 0x44, 0x44, 0x44, 0x20,// c
0x00, 0x38, 0x44, 0x44, 0x48, 0x7F,// d
0x00, 0x38, 0x54, 0x54, 0x54, 0x18,// e
0x00, 0x08, 0x7E, 0x09, 0x01, 0x02,// f
0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C,// g
0x00, 0x7F, 0x08, 0x04, 0x04, 0x78,// h
0x00, 0x00, 0x44, 0x7D, 0x40, 0x00,// i
0x00, 0x40, 0x80, 0x84, 0x7D, 0x00,// j
0x00, 0x7F, 0x10, 0x28, 0x44, 0x00,// k
0x00, 0x00, 0x41, 0x7F, 0x40, 0x00,// l
0x00, 0x7C, 0x04, 0x18, 0x04, 0x78,// m
0x00, 0x7C, 0x08, 0x04, 0x04, 0x78,// n
0x00, 0x38, 0x44, 0x44, 0x44, 0x38,// o
0x00, 0xFC, 0x24, 0x24, 0x24, 0x18,// p
0x00, 0x18, 0x24, 0x24, 0x18, 0xFC,// q
0x00, 0x7C, 0x08, 0x04, 0x04, 0x08,// r
0x00, 0x48, 0x54, 0x54, 0x54, 0x20,// s
0x00, 0x04, 0x3F, 0x44, 0x40, 0x20,// t
0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C,// u
0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C,// v
0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C,// w
0x00, 0x44, 0x28, 0x10, 0x28, 0x44,// x
0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C,// y
0x00, 0x44, 0x64, 0x54, 0x4C, 0x44,// z
0x14, 0x14, 0x14, 0x14, 0x14, 0x14,// horiz lines
};
/****************************************8*16µÄµãÕó************************************/
const unsigned char F8X16[]=
{
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,// 0
0x00,0x00,0x00,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x33,0x30,0x00,0x00,0x00,//! 1
0x00,0x10,0x0C,0x06,0x10,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//" 2
0x40,0xC0,0x78,0x40,0xC0,0x78,0x40,0x00,0x04,0x3F,0x04,0x04,0x3F,0x04,0x04,0x00,//# 3
0x00,0x70,0x88,0xFC,0x08,0x30,0x00,0x00,0x00,0x18,0x20,0xFF,0x21,0x1E,0x00,0x00,//$ 4
0xF0,0x08,0xF0,0x00,0xE0,0x18,0x00,0x00,0x00,0x21,0x1C,0x03,0x1E,0x21,0x1E,0x00,//% 5
0x00,0xF0,0x08,0x88,0x70,0x00,0x00,0x00,0x1E,0x21,0x23,0x24,0x19,0x27,0x21,0x10,//& 6
0x10,0x16,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//' 7
0x00,0x00,0x00,0xE0,0x18,0x04,0x02,0x00,0x00,0x00,0x00,0x07,0x18,0x20,0x40,0x00,//( 8
0x00,0x02,0x04,0x18,0xE0,0x00,0x00,0x00,0x00,0x40,0x20,0x18,0x07,0x00,0x00,0x00,//) 9
0x40,0x40,0x80,0xF0,0x80,0x40,0x40,0x00,0x02,0x02,0x01,0x0F,0x01,0x02,0x02,0x00,//* 10
0x00,0x00,0x00,0xF0,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x1F,0x01,0x01,0x01,0x00,//+ 11
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xB0,0x70,0x00,0x00,0x00,0x00,0x00,//, 12
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x01,0x01,0x01,0x01,0x01,//- 13
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,0x00,0x00,//. 14
0x00,0x00,0x00,0x00,0x80,0x60,0x18,0x04,0x00,0x60,0x18,0x06,0x01,0x00,0x00,0x00,/// 15
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x0F,0x10,0x20,0x20,0x10,0x0F,0x00,//0 16
0x00,0x10,0x10,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//1 17
0x00,0x70,0x08,0x08,0x08,0x88,0x70,0x00,0x00,0x30,0x28,0x24,0x22,0x21,0x30,0x00,//2 18
0x00,0x30,0x08,0x88,0x88,0x48,0x30,0x00,0x00,0x18,0x20,0x20,0x20,0x11,0x0E,0x00,//3 19
0x00,0x00,0xC0,0x20,0x10,0xF8,0x00,0x00,0x00,0x07,0x04,0x24,0x24,0x3F,0x24,0x00,//4 20
0x00,0xF8,0x08,0x88,0x88,0x08,0x08,0x00,0x00,0x19,0x21,0x20,0x20,0x11,0x0E,0x00,//5 21
0x00,0xE0,0x10,0x88,0x88,0x18,0x00,0x00,0x00,0x0F,0x11,0x20,0x20,0x11,0x0E,0x00,//6 22
0x00,0x38,0x08,0x08,0xC8,0x38,0x08,0x00,0x00,0x00,0x00,0x3F,0x00,0x00,0x00,0x00,//7 23
0x00,0x70,0x88,0x08,0x08,0x88,0x70,0x00,0x00,0x1C,0x22,0x21,0x21,0x22,0x1C,0x00,//8 24
0x00,0xE0,0x10,0x08,0x08,0x10,0xE0,0x00,0x00,0x00,0x31,0x22,0x22,0x11,0x0F,0x00,//9 25
0x00,0x00,0x00,0xC0,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x30,0x30,0x00,0x00,0x00,//: 26
0x00,0x00,0x00,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x60,0x00,0x00,0x00,0x00,//; 27
0x00,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x01,0x02,0x04,0x08,0x10,0x20,0x00,//< 28
0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x00,0x04,0x04,0x04,0x04,0x04,0x04,0x04,0x00,//= 29
0x00,0x08,0x10,0x20,0x40,0x80,0x00,0x00,0x00,0x20,0x10,0x08,0x04,0x02,0x01,0x00,//> 30
0x00,0x70,0x48,0x08,0x08,0x08,0xF0,0x00,0x00,0x00,0x00,0x30,0x36,0x01,0x00,0x00,//? 31
0xC0,0x30,0xC8,0x28,0xE8,0x10,0xE0,0x00,0x07,0x18,0x27,0x24,0x23,0x14,0x0B,0x00,//@ 32
0x00,0x00,0xC0,0x38,0xE0,0x00,0x00,0x00,0x20,0x3C,0x23,0x02,0x02,0x27,0x38,0x20,//A 33
0x08,0xF8,0x88,0x88,0x88,0x70,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x11,0x0E,0x00,//B 34
0xC0,0x30,0x08,0x08,0x08,0x08,0x38,0x00,0x07,0x18,0x20,0x20,0x20,0x10,0x08,0x00,//C 35
0x08,0xF8,0x08,0x08,0x08,0x10,0xE0,0x00,0x20,0x3F,0x20,0x20,0x20,0x10,0x0F,0x00,//D 36
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x20,0x23,0x20,0x18,0x00,//E 37
0x08,0xF8,0x88,0x88,0xE8,0x08,0x10,0x00,0x20,0x3F,0x20,0x00,0x03,0x00,0x00,0x00,//F 38
0xC0,0x30,0x08,0x08,0x08,0x38,0x00,0x00,0x07,0x18,0x20,0x20,0x22,0x1E,0x02,0x00,//G 39
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x20,0x3F,0x21,0x01,0x01,0x21,0x3F,0x20,//H 40
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//I 41
0x00,0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,0x00,//J 42
0x08,0xF8,0x88,0xC0,0x28,0x18,0x08,0x00,0x20,0x3F,0x20,0x01,0x26,0x38,0x20,0x00,//K 43
0x08,0xF8,0x08,0x00,0x00,0x00,0x00,0x00,0x20,0x3F,0x20,0x20,0x20,0x20,0x30,0x00,//L 44
0x08,0xF8,0xF8,0x00,0xF8,0xF8,0x08,0x00,0x20,0x3F,0x00,0x3F,0x00,0x3F,0x20,0x00,//M 45
0x08,0xF8,0x30,0xC0,0x00,0x08,0xF8,0x08,0x20,0x3F,0x20,0x00,0x07,0x18,0x3F,0x00,//N 46
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x10,0x20,0x20,0x20,0x10,0x0F,0x00,//O 47
0x08,0xF8,0x08,0x08,0x08,0x08,0xF0,0x00,0x20,0x3F,0x21,0x01,0x01,0x01,0x00,0x00,//P 48
0xE0,0x10,0x08,0x08,0x08,0x10,0xE0,0x00,0x0F,0x18,0x24,0x24,0x38,0x50,0x4F,0x00,//Q 49
0x08,0xF8,0x88,0x88,0x88,0x88,0x70,0x00,0x20,0x3F,0x20,0x00,0x03,0x0C,0x30,0x20,//R 50
0x00,0x70,0x88,0x08,0x08,0x08,0x38,0x00,0x00,0x38,0x20,0x21,0x21,0x22,0x1C,0x00,//S 51
0x18,0x08,0x08,0xF8,0x08,0x08,0x18,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//T 52
0x08,0xF8,0x08,0x00,0x00,0x08,0xF8,0x08,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//U 53
0x08,0x78,0x88,0x00,0x00,0xC8,0x38,0x08,0x00,0x00,0x07,0x38,0x0E,0x01,0x00,0x00,//V 54
0xF8,0x08,0x00,0xF8,0x00,0x08,0xF8,0x00,0x03,0x3C,0x07,0x00,0x07,0x3C,0x03,0x00,//W 55
0x08,0x18,0x68,0x80,0x80,0x68,0x18,0x08,0x20,0x30,0x2C,0x03,0x03,0x2C,0x30,0x20,//X 56
0x08,0x38,0xC8,0x00,0xC8,0x38,0x08,0x00,0x00,0x00,0x20,0x3F,0x20,0x00,0x00,0x00,//Y 57
0x10,0x08,0x08,0x08,0xC8,0x38,0x08,0x00,0x20,0x38,0x26,0x21,0x20,0x20,0x18,0x00,//Z 58
0x00,0x00,0x00,0xFE,0x02,0x02,0x02,0x00,0x00,0x00,0x00,0x7F,0x40,0x40,0x40,0x00,//[ 59
0x00,0x0C,0x30,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x06,0x38,0xC0,0x00,//\ 60
0x00,0x02,0x02,0x02,0xFE,0x00,0x00,0x00,0x00,0x40,0x40,0x40,0x7F,0x00,0x00,0x00,//] 61
0x00,0x00,0x04,0x02,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//^ 62
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,//_ 63
0x00,0x02,0x02,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//` 64
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,//a 65
0x08,0xF8,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x3F,0x11,0x20,0x20,0x11,0x0E,0x00,//b 66
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,//c 67
0x00,0x00,0x00,0x80,0x80,0x88,0xF8,0x00,0x00,0x0E,0x11,0x20,0x20,0x10,0x3F,0x20,//d 68
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,//e 69
0x00,0x80,0x80,0xF0,0x88,0x88,0x88,0x18,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//f 70
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x6B,0x94,0x94,0x94,0x93,0x60,0x00,//g 71
0x08,0xF8,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//h 72
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//i 73
0x00,0x00,0x00,0x80,0x98,0x98,0x00,0x00,0x00,0xC0,0x80,0x80,0x80,0x7F,0x00,0x00,//j 74
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,//k 75
0x00,0x08,0x08,0xF8,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,//l 76
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,//m 77
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,//n 78
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x20,0x20,0x20,0x20,0x1F,0x00,//o 79
0x80,0x80,0x00,0x80,0x80,0x00,0x00,0x00,0x80,0xFF,0xA1,0x20,0x20,0x11,0x0E,0x00,//p 80
0x00,0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x0E,0x11,0x20,0x20,0xA0,0xFF,0x80,//q 81
0x80,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x20,0x20,0x3F,0x21,0x20,0x00,0x01,0x00,//r 82
0x00,0x00,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x33,0x24,0x24,0x24,0x24,0x19,0x00,//s 83
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,//t 84
0x80,0x80,0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x1F,0x20,0x20,0x20,0x10,0x3F,0x20,//u 85
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x00,0x01,0x0E,0x30,0x08,0x06,0x01,0x00,//v 86
0x80,0x80,0x00,0x80,0x00,0x80,0x80,0x80,0x0F,0x30,0x0C,0x03,0x0C,0x30,0x0F,0x00,//w 87
0x00,0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x31,0x2E,0x0E,0x31,0x20,0x00,//x 88
0x80,0x80,0x80,0x00,0x00,0x80,0x80,0x80,0x80,0x81,0x8E,0x70,0x18,0x06,0x01,0x00,//y 89
0x00,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x00,0x21,0x30,0x2C,0x22,0x21,0x30,0x00,//z 90
0x00,0x00,0x00,0x00,0x80,0x7C,0x02,0x02,0x00,0x00,0x00,0x00,0x00,0x3F,0x40,0x40,//{ 91
0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,0x00,0x00,//| 92
0x00,0x02,0x02,0x7C,0x80,0x00,0x00,0x00,0x00,0x40,0x40,0x3F,0x00,0x00,0x00,0x00,//} 93
0x00,0x06,0x01,0x01,0x02,0x02,0x04,0x04,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,//~ 94
};
const unsigned char Hzk[][32]={
{0x10,0x10,0x10,0xFF,0x10,0x90,0x08,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x08,0x00},
{0x04,0x44,0x82,0x7F,0x01,0x80,0x80,0x40,0x43,0x2C,0x10,0x28,0x46,0x81,0x80,0x00},/*"¼¼",0*/
{0x40,0x44,0x54,0x65,0xC6,0x64,0x54,0x44,0x00,0xFC,0x44,0x44,0xC4,0x42,0x40,0x00},
{0x20,0x12,0x4A,0x82,0x7F,0x02,0x0A,0x92,0x60,0x1F,0x00,0x00,0xFF,0x00,0x00,0x00},/*"ÐÂ",1*/
{0x00,0x00,0xF8,0x88,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x88,0xF8,0x00,0x00,0x00},
{0x00,0x00,0x1F,0x08,0x08,0x08,0x08,0x7F,0x88,0x88,0x88,0x88,0x9F,0x80,0xF0,0x00},/*"µç",2*/
{0x80,0x82,0x82,0x82,0x82,0x82,0x82,0xE2,0xA2,0x92,0x8A,0x86,0x82,0x80,0x80,0x00},
{0x00,0x00,0x00,0x00,0x00,0x40,0x80,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"×Ó",3*/
{0x24,0x24,0xA4,0xFE,0xA3,0x22,0x00,0x22,0xCC,0x00,0x00,0xFF,0x00,0x00,0x00,0x00},
{0x08,0x06,0x01,0xFF,0x00,0x01,0x04,0x04,0x04,0x04,0x04,0xFF,0x02,0x02,0x02,0x00},/*"¿Æ",4*/
{0x10,0x10,0x10,0xFF,0x10,0x90,0x08,0x88,0x88,0x88,0xFF,0x88,0x88,0x88,0x08,0x00},
{0x04,0x44,0x82,0x7F,0x01,0x80,0x80,0x40,0x43,0x2C,0x10,0x28,0x46,0x81,0x80,0x00},/*"¼¼",5*/
{0x00,0x00,0x00,0x10,0x20,0x60,0x00,0xFC,0x04,0x40,0xA0,0x98,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x01,0x41,0x49,0x49,0x29,0x25,0x25,0x24,0x3F,0x01,0x00,0x00,0x00},/*"µ±",6*/
{0x00,0x20,0x20,0xA0,0xA0,0xA4,0xA8,0x20,0x20,0x98,0x16,0xF0,0x10,0x10,0x10,0x00},
{0x00,0x00,0x00,0x1F,0x0A,0x2A,0x7F,0x00,0x00,0x0F,0x20,0x6F,0x30,0x00,0x00,0x00},/*"Ç°",7*/
{0x00,0x00,0x40,0x08,0x18,0x00,0x08,0xF8,0xA8,0x68,0x68,0x74,0x18,0x00,0x00,0x00},
{0x00,0x00,0x30,0x0E,0x22,0x20,0x3E,0x22,0x1E,0x12,0x2E,0x22,0x1F,0x12,0x00,0x00},/*"ÎÂ",8*/
{0x00,0x00,0x00,0x00,0xF0,0x90,0xB0,0xF0,0x56,0xD8,0x28,0x48,0x00,0x00,0x00,0x00},
{0x00,0x20,0x10,0x0C,0x43,0x40,0x40,0x2D,0x13,0x1E,0x22,0x60,0x40,0x40,0x40,0x00},/*"¶È",9*/
{0x00,0x00,0x00,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x00,0x31,0x31,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"£º",10*/
{0x00,0x0C,0x12,0x0C,0x00,0xC0,0x70,0x10,0x08,0x08,0x08,0x08,0x10,0x30,0x00,0x00},
{0x00,0x00,0x00,0x00,0x00,0x0F,0x18,0x30,0x20,0x20,0x20,0x20,0x30,0x1C,0x00,0x00},/*"¡æ",11*/
{0x00,0x00,0x40,0x08,0x08,0x08,0xF8,0xA8,0xA8,0x58,0x48,0x7C,0x08,0x00,0x00,0x00},
{0x00,0x00,0x38,0x06,0x20,0x20,0x2C,0x3D,0x23,0x21,0x3F,0x24,0x23,0x20,0x20,0x00},/*"ʪ",12*/
{0x00,0xF0,0xF8,0x08,0x88,0xF8,0xF0,0x00,0x80,0x40,0x20,0x10,0x08,0x00,0x00,0x00},
{0x00,0x00,0x00,0x21,0x18,0x0C,0x02,0x01,0x00,0x1E,0x3F,0x21,0x21,0x1E,0x1E,0x00},/*"%",13*/
{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},/*" ",14*/
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},
{0x00,0x00,0x10,0x30,0x30,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*".",15*/
};
#endif
#include "stm32f10x.h"
void delay_ms(uint32_t ms);
void delay_us(uint32_t us);
#include "SysTick.h"
#include "stm32f10x.h"
void delay_ms(uint32_t ms)
{
uint32_t i;
SysTick_Config(72000);
for(i=0;i<ms;i++)
{
while( !(SysTick->CTRL & (1<<16)) );
}
SysTick->CTRL &=~ SysTick_CTRL_ENABLE_Msk;
}
void delay_us(uint32_t us)
{
uint32_t i;
SysTick_Config(72);
for(i=0;i<us;i++)
{
while( !(SysTick->CTRL & (1<<16)) );
}
SysTick->CTRL &=~ SysTick_CTRL_ENABLE_Msk;
}