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  • 大小: 2KB
    文件類型: .rar
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-13
  • 語言: 其他
  • 標簽: LCD??

資源簡介

7541的LCD的驅動,平臺ARM7,PL2220,可以直接跑起來

資源截圖

代碼片段和文件信息

//
void?ST7541_reset()
{
//reset
IO0DIR?|=?0x00000040;//RST(P0.6)
IO0CLR?=?0x00000040;//RST(P0.6)
delay(2000);///2ms
IO0SET?=?0x00000040;
delay(2000);///2ms
//
IO1DIR?|=?0x00400000;//RS(P1.22)
IO1SET?|=?0x00400000;//RS(P1.22)
}
//
void?ST7541_write_cmd_byte(uint16?wrbyte)
{//write?cmd

*lcdcmdaddr?=?wrbyte;
}
//
void?ST7541_write_data_byte(uint16?wrbyte)
{//write?data

*lcddataaddr?=?wrbyte;
}
//display?off?sequence
void?DisplayOffSet(void)
{
//
ST7541_write_cmd_byte(0x0b);//frame?Cycle?Control
ST7541_write_data_byte(0x00);//CE=0
//
ST7541_write_cmd_byte(0x07);//Display?Control?1
lcdDSP1?=?lcdDSP1?&?0xfffe;//GON=1DTE=1D[1:0]=10
ST7541_write_data_byte(lcdDSP1);
delay(34000);
//
ST7541_write_cmd_byte(0x07);//Display?Control?1
lcdDSP1?=?lcdDSP1?&?0xffef;//GON=1DTE=0D[1:0]=10
ST7541_write_data_byte(lcdDSP1);
delay(34000);
//
ST7541_write_cmd_byte(0x07);//Display?Control?1
lcdDSP1?=?lcdDSP1?&?0xffcc;//GON=0DTE=0D[1:0]=00
ST7541_write_data_byte(lcdDSP1);
//
ST7541_write_cmd_byte(0x10);//Power?Control?1
lcdPC1?=?lcdPC1?&?0x8f8f;//SAP[2:0]=000AP[2:0]=000
ST7541_write_data_byte(lcdPC1);
ST7541_write_cmd_byte(0x12);//Power?Control?3
lcdPC3?=?lcdPC3?&?0xffef;//PON=0
ST7541_write_data_byte(lcdPC3);
ST7541_write_cmd_byte(0x13);//Power?Control?4
lcdPC4?=?lcdPC4?&?0xdfff;//VCOMG=0
ST7541_write_data_byte(lcdPC4);
}

//display?on?sequence
void?DisplayOnSet(void)
{
//
ST7541_write_cmd_byte(0x10);//Power?Control?1
lcdPC1?=?lcdPC1?|?0x4000;//SAP[2:0]=100
lcdPC1?=?lcdPC1?&?0xcfff;
ST7541_write_data_byte(lcdPC1);
//
ST7541_write_cmd_byte(0x07);//display?Control?1
lcdDSP1?=?lcdDSP1?|?0x0005;//GON=0DTE=0REV=1D[1:0]=01
ST7541_write_data_byte(lcdDSP1);
delay(34000);
//
ST7541_write_cmd_byte(0x07);//display?Control?1
lcdDSP1?=?lcdDSP1?|?0x0020;//GON=1DTE=0D[1:0]=01
ST7541_write_data_byte(lcdDSP1);
delay(34000);
//
ST7541_write_cmd_byte(0x07);//display?Control?1
lcdDSP1?=?lcdDSP1?|?0x0002;//GON=1DTE=0D[1:0]=11
ST7541_write_data_byte(lcdDSP1);
delay(34000);
//
ST7541_write_cmd_byte(0x07);//display?Control?1
lcdDSP1?=?lcdDSP1?|?0x0010;//GON=1DTE=1D[1:0]=11
ST7541_write_data_byte(lcdDSP1);
delay(34000);
}

//Power?on?sequence
void?PowerOnSet(void)
{
//
ST7541_reset();
//
ST7541_write_cmd_byte(0x00);//Start?Oscillation
ST7541_write_data_byte(0x01);
delay(20000);//10ms
//
ST7541_write_cmd_byte(0x10);//power?Control?1
lcdPC1?=?lcdPC1?|?0x0004;//DK=1
ST7541_write_data_byte(lcdPC1);
ST7541_write_cmd_byte(0x11);//power?Control?2
lcdPC2?=?lcdPC2?&?0xfff8;//VC[2:0]=000
ST7541_write_data_byte(lcdPC2);
ST7541_write_cmd_byte(0x12);//power?Control?3
lcdPC3?=?lcdPC3?&?0xffe3;//VRH[3:0]=0011PON=0
lcdPC3?=?lcdPC3?|?0x0003;
ST7541_write_data_byte(lcdPC3);
ST7541_write_cmd_byte(0x13);//power?Control?4
lcdPC4?=?lcdPC4?&?0xf8f5;//VCM[4:0]=11000VDV[4:0]=10101
lcdPC4?=?lcdPC4?|?0x1815;
ST7

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????9605??2011-06-21?12:34??st7541.c

-----------?---------??----------?-----??----

?????????????????9605????????????????????1


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