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AB32VG1主頻 120M ，片上集成 RAM 192K, Flash 4Mbit，ADC，PWM，USB，UART，IIC 等資源。提供SDK，驅(qū)動(dòng)齊全，支持RT-Thread Studio 開(kāi)發(fā)應(yīng)用，圖形化配置系統(tǒng)，一鍵開(kāi)啟外設(shè)，一鍵使用軟件包，強(qiáng)大的自動(dòng)代碼編輯輔助。

DHT22數(shù)字溫濕度傳感器是一款含有已校準(zhǔn)數(shù)字信號(hào)輸出的溫濕度復(fù)合傳感器，它應(yīng)用專(zhuān)用的數(shù)字模塊采集技術(shù)和溫濕度傳感技術(shù)，確保產(chǎn)品具有極高的可靠性和卓越的長(zhǎng)期穩(wěn)定性。DHT11是一款溫濕度傳感器。 其測(cè)量精度為：濕度+-5%RH， 溫度+-2℃，量程為：濕度20-90%RH， 溫度0~50℃，采樣周期大于等于1秒/次。傳感器包括一個(gè)電阻式感濕元件和一個(gè)NTC測(cè)溫元件，并連接一個(gè)高性能8位單片機(jī)相。DHT11的優(yōu)點(diǎn)有：品質(zhì)高、響應(yīng)快、抗干擾能力強(qiáng)、性?xún)r(jià)比極高、體積小、功耗低等。

#include <board.h>

#include "dhtxx.h"

#define DBG_TAG                  "sensor.asair.dhtxx"

#ifdef PKG_USING_DHTXX_DEBUG

#define DBG_LVL                  DBG_LOG

#else

#define DBG_LVL                  DBG_ERROR

#endif

#include <rtdbg.h>

/* timing */

#define DHT1x_BEGIN_TIME         20  /* ms */

#define DHT2x_BEGIN_TIME         1   /* ms */

#define DHTxx_PULL_TIME          30  /* us */

#define DHTxx_REPLY_TIME         100 /* us */

#define MEASURE_TIME             40  /* us */

/**

 * This function will split a number into two part according to times.

 *

 * @param num      the number will be split

 * @param integer  the integer part

 * @param decimal  the decimal part

 * @param times    how many times of the real number (you should use 10 in this case)

 *

 * @return 0 if num is positive, 1 if num is negative

 */

int split_int(const int num, int *integer, int *decimal, const rt_uint32_t times)

{

    int flag = 0;

    if (num < 0) flag = 1;

    int anum = num<0 ? -num : num;

    *integer = anum / times;

    *decimal = anum % times;

    return flag;

}

/**

 * This function will convert temperature in degree Celsius to Kelvin.

 *

 * @param c  the temperature indicated by degree Celsius

 *

 * @return the result

 */

float convert_c2k(float c)

{

    return c + 273.15;

}

/**

 * This function will convert temperature in degree Celsius to Fahrenheit.

 *

 * @param c  the temperature indicated by degree Celsius

 *

 * @return the result

 */

float convert_c2f(float c)

{

    return c * 1.8 + 32;

}

/**

 * This function will convert temperature in degree Fahrenheit to Celsius.

 *

 * @param f  the temperature indicated by degree Fahrenheit

 *

 * @return the result

 */

float convert_f2c(float f)

{

    return (f - 32) * 0.55555;

}

/**

 * This function will read a bit from sensor.

 *

 * @param pin  the pin of Dout

 *

 * @return the bit value

 */

static uint8_t dht_read_bit(const rt_base_t pin)

{

    uint8_t retry = 0;

    while(rt_pin_read(pin) && retry < DHTxx_REPLY_TIME)

    {

        retry++;

        rt_hw_us_delay(1);

    }

    retry = 0;

    while(!rt_pin_read(pin) && retry < DHTxx_REPLY_TIME)

    {

        retry++;

        rt_hw_us_delay(1);

    }

    rt_hw_us_delay(MEASURE_TIME);

    return rt_pin_read(pin);

}

/**

 * This function will read a byte from sensor.

 *

 * @param pin  the pin of Dout

 *

 * @return the byte

 */

static uint8_t dht_read_byte(const rt_base_t pin)

{

    uint8_t i, byte = 0;

    for(i=0; i<8; i++)

    {

        byte <<= 1;

        byte |= dht_read_bit(pin);

    }

    return byte;

}

/**

 * This function will read and update data array.

 *

 * @param dev  the device to be operated

 *

 * @return RT_TRUE if read successfully, otherwise return RT_FALSE.

 */

rt_bool_t dht_read(dht_device_t dev)

{

    RT_ASSERT(dev);

    uint8_t i, retry = 0, sum = 0;

#ifdef PKG_USING_DHTXX_INTERRUPT_DISABLE

    rt_base_t level;

#endif

    /* Reset data buffer */

    rt_memset(dev->data, 0, DHT_DATA_SIZE);

    /* MCU request sampling */

    rt_pin_mode(dev->pin, PIN_MODE_OUTPUT);

    rt_pin_write(dev->pin, PIN_LOW);

    if (dev->type == DHT11 || dev->type == DHT12) {

        rt_thread_mdelay(DHT1x_BEGIN_TIME);        /* Tbe */

    } else {

        rt_thread_mdelay(DHT2x_BEGIN_TIME);

    }

#ifdef PKG_USING_DHTXX_INTERRUPT_DISABLE

    level = rt_hw_interrupt_disable();

#endif

    rt_pin_mode(dev->pin, PIN_MODE_INPUT_PULLUP);

    rt_hw_us_delay(DHTxx_PULL_TIME);               /* Tgo */

    /* Waiting for sensor reply */

    while (rt_pin_read(dev->pin) && retry < DHTxx_REPLY_TIME)

    {

        retry++;

        rt_hw_us_delay(1);                         /* Trel */

    }

    if(retry >= DHTxx_REPLY_TIME) return RT_FALSE;

    retry = 0;

    while (!rt_pin_read(dev->pin) && retry < DHTxx_REPLY_TIME)

    {

        retry++;

        rt_hw_us_delay(1);                         /* Treh */

    };

    if(retry >= DHTxx_REPLY_TIME) return RT_FALSE;

    /* Read data */

    for(i=0; i<DHT_DATA_SIZE; i++)

    {

        dev->data[i] = dht_read_byte(dev->pin);

    }

#ifdef PKG_USING_DHTXX_INTERRUPT_DISABLE

    rt_hw_interrupt_enable(level);

#endif

    /* Checksum */

    for(i=0; i<DHT_DATA_SIZE-1; i++)

    {

        sum += dev->data[i];

    }

    if(sum != dev->data[4]) return RT_FALSE;

    return RT_TRUE;

}

/**

 * This function will get the humidity from dhtxx sensor.

 *

 * @param dev  the device to be operated

 *

 * @return the humidity value

 */

rt_int32_t dht_get_humidity(dht_device_t const dev)

{

    RT_ASSERT(dev);

    rt_int32_t humi = 0;

    switch(dev->type)

    {

    case DHT11:

    case DHT12:

        humi = dev->data[0] * 10 + dev->data[1];

        break;

    case DHT21:

    case DHT22:

        humi = (dev->data[0] << 8) + dev->data[1];

        break;

    default:

        break;

    }

    return humi;

}

/**

 * This function will get the temperature from dhtxx sensor.

 *

 * @param dev  the device to be operated

 *

 * @return the temperature value

 */

rt_int32_t dht_get_temperature(dht_device_t const dev)

{

    RT_ASSERT(dev);

    rt_int32_t temp = 0;

    switch(dev->type)

    {

    case DHT11:

    case DHT12:

        temp = dev->data[2] * 10 + (dev->data[3] & 0x7f);

        if(dev->data[3] & 0x80) {

            temp = -temp;

        }

        break;

    case DHT21:

    case DHT22:

        temp = ((dev->data[2] & 0x7f) << 8) + dev->data[3];

        if(dev->data[2] & 0x80) {

            temp = -temp;

        }

        break;

    default:

        break;

    }

    return temp;

}

/**

 * This function will init dhtxx sensor device.

 *

 * @param dev  the device to init

 * @param pin  the pin of Dout

 *

 * @return the device handler

 */

rt_err_t dht_init(struct dht_device *dev, const rt_base_t pin)

{

    if(dev == NULL)

        return -RT_ERROR;

    dev->type = DHT_TYPE;

    dev->pin  = pin;

    rt_memset(dev->data, 0, DHT_DATA_SIZE);

    rt_pin_mode(dev->pin, PIN_MODE_INPUT_PULLUP);

    return RT_EOK;

}

dht_device_t dht_create(const rt_base_t pin)

{

    dht_device_t dev;

    dev = rt_calloc(1, sizeof(struct dht_device));

    if (dev == RT_NULL)

    {

        LOG_E("Can't allocate memory for dhtxx device");

        return RT_NULL;

    }

    dev->type = DHT_TYPE;

    dev->pin  = pin;

    rt_memset(dev->data, 0, DHT_DATA_SIZE);

    rt_pin_mode(dev->pin, PIN_MODE_INPUT_PULLUP);

    return dev;

}

void dht_delete(dht_device_t dev)

{

    if (dev)

        rt_free(dev);

}

#include <rtthread.h>

#include <rtdevice.h>

#include <board.h>

#include "dhtxx.h"

#define DATA_PIN                 PKG_USING_DHTXX_SAMPLE_PIN

/* cat_dhtxx sensor data by dynamic */

static void cat_dhtxx(void)

{

    dht_device_t sensor = dht_create(DATA_PIN);

    if(dht_read(sensor)) {

        rt_int32_t temp = dht_get_temperature(sensor);

        rt_int32_t humi = dht_get_humidity(sensor);

        rt_kprintf("Temp: %d, Humi: %d\n", temp, humi);

    }

    else {

        rt_kprintf("Read dht sensor failed.\n");

    }

    dht_delete(sensor);

}

#ifdef FINSH_USING_MSH

MSH_CMD_EXPORT(cat_dhtxx, read dhtxx humidity and temperature);

#endif

#ifndef __DHTXX_H__

#define __DHTXX_H__

#include <rtthread.h>

#include <rtdevice.h>

#include <sensor.h>

#define DHTLIB_VERSION                       "0.9.0"

#define DHT_DATA_SIZE                        5

/* sensor model type */

#define DHT11                                0

#define DHT12                                1

#define DHT21                                2

#define DHT22                                3

#define AM2301                               DHT21

#define AM2302                               DHT22

#define AM2320                               DHT22

#if defined(PKG_USING_DHTXX_TYPE_DHT11)

#define DHT_TYPE                             DHT11

#elif defined(PKG_USING_DHTXX_TYPE_DHT12)

#define DHT_TYPE                             DHT12

#elif defined(PKG_USING_DHTXX_TYPE_DHT21)

#define DHT_TYPE                             DHT21

#elif defined(PKG_USING_DHTXX_TYPE_DHT22)

#define DHT_TYPE                             DHT22

#endif

struct dht_device

{

    rt_base_t   pin;

    rt_uint8_t  type;

    rt_uint8_t  data[DHT_DATA_SIZE];

    rt_mutex_t  lock;

};

typedef struct dht_device *dht_device_t;

dht_device_t dht_create(const rt_base_t pin);

void dht_delete(dht_device_t dev);

rt_err_t   dht_init(struct dht_device *dev, const rt_base_t pin);

rt_bool_t  dht_read(dht_device_t dev);

rt_int32_t dht_get_humidity(dht_device_t dev);

rt_int32_t dht_get_temperature(dht_device_t dev);

float convert_c2k(float c);

float convert_c2f(float c);

float convert_f2c(float f);

rt_int32_t split_int(const rt_int32_t num, rt_int32_t *integer, 

                     rt_int32_t *decimal, const rt_uint32_t times);

rt_err_t rt_hw_dht_init(const char *name, struct rt_sensor_config *cfg);

#endif /* __DHTXX_H__ */

#include "oled.h"

#include "oledfont.h"

u8 OLED_GRAM[144][8];

struct OLED_sss

{

  uint8_t OLED_SCLK;

  uint8_t OLED_SDIN;

  uint8_t OLED_RST;

  uint8_t OLED_DC;

  uint8_t OLED_CS;

};

struct OLED_sss oled_ccc;

//反顯函數(shù)

void OLED_ColorTurn(u8 i)

{

  if(i==0)

    {

      OLED_WR_Byte(0xA6,OLED_CMD);//正常顯示

    }

  if(i==1)

    {

      OLED_WR_Byte(0xA7,OLED_CMD);//反色顯示

    }

}

//屏幕旋轉(zhuǎn)180度

void OLED_DisplayTurn(u8 i)

{

  if(i==0)

    {

      OLED_WR_Byte(0xC8,OLED_CMD);//正常顯示

      OLED_WR_Byte(0xA1,OLED_CMD);

    }

  if(i==1)

    {

      OLED_WR_Byte(0xC0,OLED_CMD);//反轉(zhuǎn)顯示

      OLED_WR_Byte(0xA0,OLED_CMD);

    }

}

void OLED_WR_Byte(u8 dat,u8 cmd)

{

  u8 i;

  if(cmd)

    OLED_DC_Set();

  else

    OLED_DC_Clr();

  OLED_CS_Clr();

  for(i=0;i<8;i++)

  {

    OLED_SCLK_Clr();

    if(dat&0x80)

       OLED_SDIN_Set();

    else

       OLED_SDIN_Clr();

    OLED_SCLK_Set();

    dat<<=1;

  }

  OLED_CS_Set();

  OLED_DC_Set();

}

//開(kāi)啟OLED顯示

void OLED_DisPlay_On(void)

{

  OLED_WR_Byte(0x8D,OLED_CMD);//電荷泵使能

  OLED_WR_Byte(0x14,OLED_CMD);//開(kāi)啟電荷泵

  OLED_WR_Byte(0xAF,OLED_CMD);//點(diǎn)亮屏幕

}

//關(guān)閉OLED顯示

void OLED_DisPlay_Off(void)

{

  OLED_WR_Byte(0x8D,OLED_CMD);//電荷泵使能

  OLED_WR_Byte(0x10,OLED_CMD);//關(guān)閉電荷泵

  OLED_WR_Byte(0xAF,OLED_CMD);//關(guān)閉屏幕

}

//更新顯存到OLED

void OLED_Refresh(void)

{

  u8 i,n;

  for(i=0;i<8;i++)

  {

     OLED_WR_Byte(0xb0+i,OLED_CMD); //設(shè)置行起始地址

     OLED_WR_Byte(0x00,OLED_CMD);   //設(shè)置低列起始地址

     OLED_WR_Byte(0x10,OLED_CMD);   //設(shè)置高列起始地址

     for(n=0;n<128;n++)

     OLED_WR_Byte(OLED_GRAM[n][i],OLED_DATA);

  }

}

//清屏函數(shù)

void OLED_Clear(void)

{

  u8 i,n;

  for(i=0;i<8;i++)

  {

     for(n=0;n<128;n++)

      {

       OLED_GRAM[n][i]=0;//清除所有數(shù)據(jù)

      }

  }

  OLED_Refresh();//更新顯示

}

//畫(huà)點(diǎn)

//x:0~127

//y:0~63

void OLED_DrawPoint(u8 x,u8 y)

{

  u8 i,m,n;

  i=y/8;

  m=y%8;

  n=1<<m;

  OLED_GRAM[x][i]|=n;

}

//清除一個(gè)點(diǎn)

//x:0~127

//y:0~63

void OLED_ClearPoint(u8 x,u8 y)

{

  u8 i,m,n;

  i=y/8;

  m=y%8;

  n=1<<m;

  OLED_GRAM[x][i]=~OLED_GRAM[x][i];

  OLED_GRAM[x][i]|=n;

  OLED_GRAM[x][i]=~OLED_GRAM[x][i];

}

//畫(huà)線(xiàn)

//x:0~128

//y:0~64

void OLED_DrawLine(u8 x1,u8 y1,u8 x2,u8 y2)

{

  u8 i,k,k1,k2,y0;

  if((x1<0)||(x2>128)||(y1<0)||(y2>64)||(x1>x2)||(y1>y2))return;

  if(x1==x2)    //畫(huà)豎線(xiàn)

  {

      for(i=0;i<(y2-y1);i++)

      {

        OLED_DrawPoint(x1,y1+i);

      }

  }

  else if(y1==y2)   //畫(huà)橫線(xiàn)

  {

      for(i=0;i<(x2-x1);i++)

      {

        OLED_DrawPoint(x1+i,y1);

      }

  }

  else      //畫(huà)斜線(xiàn)

  {

    k1=y2-y1;

    k2=x2-x1;

    k=k1*10/k2;

    for(i=0;i<(x2-x1);i++)

      {

        OLED_DrawPoint(x1+i,y1+i*k/10);

      }

  }

}

//x,y:圓心坐標(biāo)

//r:圓的半徑

void OLED_DrawCircle(u8 x,u8 y,u8 r)

{

  int a, b,num;

    a = 0;

    b = r;

    while(2 * b * b >= r * r)

    {

        OLED_DrawPoint(x + a, y - b);

        OLED_DrawPoint(x - a, y - b);

        OLED_DrawPoint(x - a, y + b);

        OLED_DrawPoint(x + a, y + b);

        OLED_DrawPoint(x + b, y + a);

        OLED_DrawPoint(x + b, y - a);

        OLED_DrawPoint(x - b, y - a);

        OLED_DrawPoint(x - b, y + a);

        a++;

        num = (a * a + b * b) - r*r;//計(jì)算畫(huà)的點(diǎn)離圓心的距離

        if(num > 0)

        {

            b--;

            a--;

        }

    }

}

//在指定位置顯示一個(gè)字符,包括部分字符

//x:0~127

//y:0~63

//size:選擇字體 12/16/24

//取模方式 逐列式

void OLED_ShowChar(u8 x,u8 y,u8 chr,u8 size1)

{

  u8 i,m,temp,size2,chr1;

  u8 y0=y;

  size2=(size1/8+((size1%8)?1:0))*(size1/2);  //得到字體一個(gè)字符對(duì)應(yīng)點(diǎn)陣集所占的字節(jié)數(shù)

  chr1=chr-' ';  //計(jì)算偏移后的值

  for(i=0;i<size2;i++)

  {

    if(size1==12)

        {temp=asc2_1206[chr1][i];} //調(diào)用1206字體

    else if(size1==16)

        {temp=asc2_1608[chr1][i];} //調(diào)用1608字體

    else if(size1==24)

        {temp=asc2_2412[chr1][i];} //調(diào)用2412字體

    else return;

        for(m=0;m<8;m++)           //寫(xiě)入數(shù)據(jù)

        {

          if(temp&0x80)OLED_DrawPoint(x,y);

          else OLED_ClearPoint(x,y);

          temp<<=1;

          y++;

          if((y-y0)==size1)

          {

            y=y0;

            x++;

            break;

          }

        }

  }

}

//顯示字符串

//x,y:起點(diǎn)坐標(biāo)

//size1:字體大小

//*chr:字符串起始地址

void OLED_ShowString(u8 x,u8 y,u8 *chr,u8 size1)

{

  while((*chr>=' ')&&(*chr<='~'))//判斷是不是非法字符!

  {

    OLED_ShowChar(x,y,*chr,size1);

    x+=size1/2;

    if(x>128-size1)  //換行

    {

      x=0;

      y+=2;

    }

    chr++;

  }

}

//m^n

u32 OLED_Pow(u8 m,u8 n)

{

  u32 result=1;

  while(n--)

  {

    result*=m;

  }

  return result;

}

////顯示2個(gè)數(shù)字

////x,y :起點(diǎn)坐標(biāo)

////len :數(shù)字的位數(shù)

////size:字體大小

void OLED_ShowNum(u8 x,u8 y,u32 num,u8 len,u8 size1)

{

  u8 t,temp;

  for(t=0;t<len;t++)

  {

    temp=(num/OLED_Pow(10,len-t-1))%10;

      if(temp==0)

      {

        OLED_ShowChar(x+(size1/2)*t,y,'0',size1);

      }

      else

      {

        OLED_ShowChar(x+(size1/2)*t,y,temp+'0',size1);

      }

  }

}

//顯示漢字

//x,y:起點(diǎn)坐標(biāo)

//num:漢字對(duì)應(yīng)的序號(hào)

//取模方式 列行式

void OLED_ShowChinese(u8 x,u8 y,u8 num,u8 size1)

{

  u8 i,m,n=0,temp,chr1;

  u8 x0=x,y0=y;

  u8 size3=size1/8;

  while(size3--)

  {

    chr1=num*size1/8+n;

    n++;

      for(i=0;i<size1;i++)

      {

        if(size1==16)

            {temp=Hzk1[chr1][i];}//調(diào)用16*16字體

        else if(size1==24)

            {temp=Hzk2[chr1][i];}//調(diào)用24*24字體

        else if(size1==32)

            {temp=Hzk3[chr1][i];}//調(diào)用32*32字體

        else if(size1==64)

            {temp=Hzk4[chr1][i];}//調(diào)用64*64字體

        else return;

            for(m=0;m<8;m++)

              {

                if(temp&0x01)OLED_DrawPoint(x,y);

                else OLED_ClearPoint(x,y);

                temp>>=1;

                y++;

              }

              x++;

              if((x-x0)==size1)

              {x=x0;y0=y0+8;}

              y=y0;

       }

  }

}

//num 顯示漢字的個(gè)數(shù)

//space 每一遍顯示的間隔

void OLED_ScrollDisplay(u8 num,u8 space)

{

  u8 i,n,t=0,m=0,r;

  while(1)

  {

    if(m==0)

    {

      OLED_ShowChinese(128,24,t,16); //寫(xiě)入一個(gè)漢字保存在OLED_GRAM[][]數(shù)組中

      t++;

    }

    if(t==num)

      {

        for(r=0;r<16*space;r++)      //顯示間隔

         {

          for(i=0;i<144;i++)

            {

              for(n=0;n<8;n++)

              {

                OLED_GRAM[i-1][n]=OLED_GRAM[i][n];

              }

            }

           OLED_Refresh();

         }

        t=0;

      }

    m++;

    if(m==16){m=0;}

    for(i=0;i<144;i++)   //實(shí)現(xiàn)左移

    {

      for(n=0;n<8;n++)

      {

        OLED_GRAM[i-1][n]=OLED_GRAM[i][n];

      }

    }

    OLED_Refresh();

  }

}

//配置寫(xiě)入數(shù)據(jù)的起始位置

void OLED_WR_BP(u8 x,u8 y)

{

  OLED_WR_Byte(0xb0+y,OLED_CMD);//設(shè)置行起始地址

  OLED_WR_Byte(((x&0xf0)>>4)|0x10,OLED_CMD);

  OLED_WR_Byte((x&0x0f),OLED_CMD);

}

//x0,y0：起點(diǎn)坐標(biāo)

//x1,y1：終點(diǎn)坐標(biāo)

//BMP[]：要寫(xiě)入的圖片數(shù)組

void OLED_ShowPicture(u8 x0,u8 y0,u8 x1,u8 y1,u8 BMP[])

{

  u32 j=0;

  u8 x=0,y=0;

  if(y%8==0)y=0;

  else y+=1;

  for(y=y0;y<y1;y++)

   {

     OLED_WR_BP(x0,y);

     for(x=x0;x<x1;x++)

     {

       OLED_WR_Byte(BMP[j],OLED_DATA);

       j++;

     }

   }

}

//OLED的初始化

void OLED_Init(void)

{

  oled_ccc.OLED_SCLK = rt_pin_get("PA.3");

  oled_ccc.OLED_SDIN = rt_pin_get("PA.4");

  oled_ccc.OLED_RST = rt_pin_get("PF.1");

  oled_ccc.OLED_DC = rt_pin_get("PB.0");

  oled_ccc.OLED_CS = rt_pin_get("PA.5");

  rt_pin_mode(oled_ccc.OLED_SCLK, PIN_MODE_OUTPUT);

  rt_pin_mode(oled_ccc.OLED_SDIN, PIN_MODE_OUTPUT);

  rt_pin_mode(oled_ccc.OLED_RST, PIN_MODE_OUTPUT);

  rt_pin_mode(oled_ccc.OLED_DC, PIN_MODE_OUTPUT);

  rt_pin_mode(oled_ccc.OLED_CS, PIN_MODE_OUTPUT);

  rt_pin_write(oled_ccc.OLED_SCLK, PIN_HIGH);

  rt_pin_write(oled_ccc.OLED_SDIN, PIN_HIGH);

  rt_pin_write(oled_ccc.OLED_RST, PIN_HIGH);

  rt_pin_write(oled_ccc.OLED_DC, PIN_HIGH);

  rt_pin_write(oled_ccc.OLED_CS, PIN_HIGH);

  OLED_RST_Clr();//復(fù)位

  rt_thread_mdelay(200);

  OLED_RST_Set();

  OLED_WR_Byte(0xAE,OLED_CMD);//--turn off oled panel

  OLED_WR_Byte(0x00,OLED_CMD);//---set low column address

  OLED_WR_Byte(0x10,OLED_CMD);//---set high column address

  OLED_WR_Byte(0x40,OLED_CMD);//--set start line address  Set Mapping RAM Display Start Line (0x00~0x3F)

  OLED_WR_Byte(0x81,OLED_CMD);//--set contrast control register

  OLED_WR_Byte(0xCF,OLED_CMD);// Set SEG Output Current Brightness

  OLED_WR_Byte(0xA1,OLED_CMD);//--Set SEG/Column Mapping     0xa0左右反置 0xa1正常

  OLED_WR_Byte(0xC8,OLED_CMD);//Set COM/Row Scan Direction   0xc0上下反置 0xc8正常

  OLED_WR_Byte(0xA6,OLED_CMD);//--set normal display

  OLED_WR_Byte(0xA8,OLED_CMD);//--set multiplex ratio(1 to 64)

  OLED_WR_Byte(0x3f,OLED_CMD);//--1/64 duty

  OLED_WR_Byte(0xD3,OLED_CMD);//-set display offset Shift Mapping RAM Counter (0x00~0x3F)

  OLED_WR_Byte(0x00,OLED_CMD);//-not offset

  OLED_WR_Byte(0xd5,OLED_CMD);//--set display clock divide ratio/oscillator frequency

  OLED_WR_Byte(0x80,OLED_CMD);//--set divide ratio, Set Clock as 100 Frames/Sec

  OLED_WR_Byte(0xD9,OLED_CMD);//--set pre-charge period

  OLED_WR_Byte(0xF1,OLED_CMD);//Set Pre-Charge as 15 Clocks & Discharge as 1 Clock

  OLED_WR_Byte(0xDA,OLED_CMD);//--set com pins hardware configuration

  OLED_WR_Byte(0x12,OLED_CMD);

  OLED_WR_Byte(0xDB,OLED_CMD);//--set vcomh

  OLED_WR_Byte(0x40,OLED_CMD);//Set VCOM Deselect Level

  OLED_WR_Byte(0x20,OLED_CMD);//-Set Page Addressing Mode (0x00/0x01/0x02)

  OLED_WR_Byte(0x02,OLED_CMD);//

  OLED_WR_Byte(0x8D,OLED_CMD);//--set Charge Pump enable/disable

  OLED_WR_Byte(0x14,OLED_CMD);//--set(0x10) disable

  OLED_WR_Byte(0xA4,OLED_CMD);// Disable Entire Display On (0xa4/0xa5)

  OLED_WR_Byte(0xA6,OLED_CMD);// Disable Inverse Display On (0xa6/a7)

  OLED_WR_Byte(0xAF,OLED_CMD);

  OLED_Clear();

}

演示視頻：