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標(biāo)題: 基于ST7565的LCD12864測(cè)試程序+視頻 [打印本頁(yè)]

作者: 大風(fēng)吹過(guò)啊 時(shí)間: 2019-8-8 11:41
標(biāo)題: 基于ST7565的LCD12864測(cè)試程序+視頻
據(jù)說(shuō)ST756很坑，最近做項(xiàng)目正好遇到，果然被坑的不輕

總結(jié)而言，不能求快，尤其是質(zhì)量不太好的屏幕模塊，快了就罷工

直接貼完整驅(qū)動(dòng)函數(shù)（單片機(jī)是STC15LE5A32S2,指令按照使用手冊(cè)重新排寫(xiě)的，可直接移植，基本不會(huì)出問(wèn)題）
/************************底層驅(qū)動(dòng)函數(shù)************************/
void ms_Delay_12864(unsigned int ms)//STC12, 11.0592M
{
unsigned char j;
while(ms --)
for(j = 0; j < 30; j ++); //20us=0.02ms//
}

void Delay_Buff( )/*數(shù)據(jù)緩沖，根據(jù)具體實(shí)物改動(dòng)（下載后不顯示可適當(dāng)加長(zhǎng)延時(shí)）*/
{
      unsigned char i;

      for(i = 0; i < 35; i ++)//16
      {
            _nop_( );
      }
}

void LCD_Write_Reg(unsigned char Command)
{
      unsigned char i, j;

      CS = 0;
      RS = 0;
      SCL = 0;

      for(i = 0; i < 8; i ++)
      {
            j = Command;
            SCL = 0;
            SI = Command & 0x80;
            SCL = 1;
            Command = j << 1;
            Delay_Buff( );/*根據(jù)具體硬件改寫(xiě)，某些硬件需要緩沖，有硬件緩沖時(shí)可取消延時(shí)*/
      }
      CS = 1;
      RS = 1;
}

void LCD_Write_Byte(unsigned char byte)
{
      unsigned char i, j;

      CS = 0;
      RS = 1;
      SCL = 0;

      for(i = 0; i < 8; i ++)
      {
            j = byte;
            SCL = 0;
            SI = byte & 0x80;
            SCL = 1;
            byte = j << 1;
            Delay_Buff( );/*根據(jù)具體硬件改寫(xiě)，某些硬件需要緩沖，有硬件緩沖時(shí)可取消延時(shí)*/
      }
      CS = 1;
      RS = 0;
}

void LCD_Clear( )
{
      unsigned char i, j;

      for(i = 0; i < 8; i ++)
      {
            LCD_Write_Reg(0xb0 + i);             // (Page = 0xB0)//設(shè)置位置
            LCD_Write_Reg(0x10);
            LCD_Write_Reg(0x00);
            for(j = 0; j < 132; j ++)          //發(fā)送數(shù)據(jù)
            {
                     LCD_Write_Byte(0);
            }
      }
}

void LCD_ALL( )
{
      unsigned char i, j;

      for(i = 0; i < 8; i ++)
      {
            LCD_Write_Reg(0xb0 + i);             // (Page = 0xB0)//設(shè)置位置
            LCD_Write_Reg(0x10);
            LCD_Write_Reg(0x00);
            for(j = 0; j < 132; j ++)          //發(fā)送數(shù)據(jù)
            {
                     LCD_Write_Byte(0xff);
            }
      }
}

void LCD_Init( )//有效命令基本已羅列
{
      RST = 0;
      ms_Delay_12864(50);
      RST = 1;
      ms_Delay_12864(20);

      LCD_Write_Reg(0xe2);//軟件復(fù)位
      ms_Delay_12864(5);
      LCD_Write_Reg(0x2c);//電源控制0x28 ~ 0xf
      ms_Delay_12864(5);
      LCD_Write_Reg(0x2e);
      ms_Delay_12864(5);
      LCD_Write_Reg(0x2f);
      ms_Delay_12864(5);

      LCD_Write_Reg(0xa3);//偏壓比: 0xa2 >> 1/9, 0xa3 >> 1/7
      LCD_Write_Reg(0x23);//內(nèi)部電阻比例: 0x20 ~ 0x27

      LCD_Write_Reg(0x81);//設(shè)置內(nèi)部液晶電壓模式
      LCD_Write_Reg(0x1d);//L: 0x00 ~ 0x3f
      LCD_Write_Reg(0x24);//H: 0x21 ~ 0x27

      LCD_Write_Reg(0xf8);//設(shè)置升壓倍數(shù)
      LCD_Write_Reg(0x01);//0x00 >> 2 ~ 4倍, 0x01 >> 5倍, 0x03 >> 6倍

      LCD_Write_Reg(0x40);//從首行開(kāi)始顯示
      LCD_Write_Reg(0xa6);//0xa6 >> 正顯, 0xa7 >> 反顯
      LCD_Write_Reg(0xc8);//0xc8 >> 反向掃描, 0xc0 >> 順序掃描
      LCD_Write_Reg(0xa0);//0xa0 >> 正常顯示, 0xa1 >> 左右鏡像
      LCD_Write_Reg(0xa4);//0xa4 >> 顯示全部點(diǎn)陣, 0xa5 >>不顯示全部點(diǎn)陣
      LCD_Write_Reg(0xac);//0xac >> 靜態(tài)圖標(biāo)顯示, 0xad >> 無(wú)靜態(tài)圖標(biāo)

      LCD_Write_Reg(0xaf);//0xaf >> 顯示開(kāi), 0xae >> 顯示關(guān)

      LCD_Clear( );
}
/************************************************************************/

附件里有視頻、模塊說(shuō)明書(shū)和ST7565操作指令表:

LCD12864-ST7565.zip (18.82 MB, 下載次數(shù): 102)

作者: man1234567 時(shí)間: 2020-3-4 15:54
重復(fù)下載會(huì)累加扣分，網(wǎng)站源碼應(yīng)該調(diào)整。

作者: 大風(fēng)吹過(guò)啊 時(shí)間: 2020-3-18 10:51

man1234567 發(fā)表于 2020-3-4 15:54
重復(fù)下載會(huì)累加扣分，網(wǎng)站源碼應(yīng)該調(diào)整。

下自己的也要扣分

作者: whsbk 時(shí)間: 2020-5-10 17:28
看樣子是spi驅(qū)動(dòng)的，下載來(lái)看看

歡迎光臨 (http://www.torrancerestoration.com/bbs/)

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