http://www.openedv.com/posts/list/46417.htm
[mw_shl_code=c,true] WriteToLCD(0x60, 1); // 此液晶屏是从33行开始[/mw_shl_code]
[mw_shl_code=c,true]int main(void)
{
delay_init(); //延时
InitLCD();
ClearScreen();
DisplayStr(1,8,"1");
DisplayStr(2,16,"2");
DisplayStr(3,24,"3");
DisplayStr(4,32,"4");
DisplayStr(5,40,"5");
DisplayStr(6,48,"6");
DisplayStr(7,56,"7");
DisplayStr(8,64,"8");
}
[/mw_shl_code]
[mw_shl_code=c,true]void InitLCD(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //????PB?????±??
GPIO_InitStructure.GPIO_Pin = LCD_RESET | LCD_SCLK | LCD_CS | LCD_RS |LCD_SDA;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(LCD_GPIO, &GPIO_InitStructure);
GPIO_SetBits(LCD_GPIO,LCD_RESET | LCD_SCLK | LCD_CS | LCD_RS |LCD_SDA);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE); //????PB?????±??
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //???ì????
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_SetBits(GPIOC, GPIO_Pin_4);
delay_us(40);
GPIO_ResetBits(LCD_GPIO, LCD_RESET);
delay_us(40);
GPIO_SetBits(LCD_GPIO, LCD_RESET);
delay_us(40);
WriteToLCD(0xE2, 1); //1110 0010
delay_us(40);
WriteToLCD(0x2c, 1); //????????1
delay_us(40);
WriteToLCD(0x2e, 1); //????????2/
Delay(5);
delay_us(40);
WriteToLCD(0x2f, 1); //????????3/
delay_us(40);
WriteToLCD(0x24, 1); //???÷??±????????è??·??§20??27 WriteToLCD(0x81, 1); //???÷??±???
// WriteToLCD(0x1a, 1); //???÷??±????????????è??·??§0??63 1f
WriteToLCD(0x32, 1);
WriteToLCD(0xa2, 1); //1/9????±??¨bias?©[/mw_shl_code]
[mw_shl_code=c,true][/mw_shl_code]
[mw_shl_code=c,true]WriteToLCD(0xc8, 1); //???¨?è???ò??????????
WriteToLCD(0xa0, 1); //???¨?è???ò????×ó????
WriteToLCD(0x60, 1); // 此液晶屏是从33行开始
[/mw_shl_code]
[mw_shl_code=c,true]ClearScreen();
WriteToLCD(0xaf, 1); //??????
}
/*********************************************************************************************************
** ????????: DisplayStr
** ?????è??: ????×?·??®
** ?? ????: page:??,column:??,text:??±?????
** ?? ????: ??
** ????±???: ??
** ?÷?????é: ??
********************************************************************************************************/
void DisplayStr(unsigned short page,unsigned short column,char *text)
{
unsigned short i=0,j,k,n;
GPIO_ResetBits(LCD_GPIO, LCD_CS);
while(text>0x00)
{
if((text>=0x20)&&(text<=0x7e))
{
j=text-0x20;
for(n=0;n<2;n++)
{
LCDAddr(page+n,column);
for(k=0;k<8;k++)
{
WriteToLCD(ascii_table_8x16[j][k+8*n],0);
}
}
i++;
column+=8;
}
else
{
i++;
}
}
GPIO_SetBits(LCD_GPIO, LCD_CS);
}
/*********************************************************************************************************
** ????????: WriteToLCD
** ?????è??: 写数据进LCD
** ?? ????: data:写数据
** flg:标识，0：数据，1：命令
** ?? ????: ??
** ????±???: ??
** ?÷?????é: ??
********************************************************************************************************/
void WriteToLCD(unsigned char data, unsigned char flg)
{
unsigned char i;
delay_us(40);
GPIO_ResetBits(LCD_GPIO, LCD_CS);
if(flg)
{
GPIO_ResetBits(LCD_GPIO, LCD_RS);
}
else
{
GPIO_SetBits(LCD_GPIO, LCD_RS);
}
for(i=0;i<8;i++)
{
GPIO_ResetBits(LCD_GPIO, LCD_SCLK);
if(flg)Delay(2);
if(data&0x80)
{
GPIO_SetBits(LCD_GPIO, LCD_SDA);
}
else
{
GPIO_ResetBits(LCD_GPIO, LCD_SDA);
}
delay_us(300);
GPIO_SetBits(LCD_GPIO, LCD_SCLK);
delay_us(40);
data <<= 1;
}
delay_us(20);
GPIO_SetBits(LCD_GPIO, LCD_SDA);
delay_us(20);
GPIO_SetBits(LCD_GPIO, LCD_CS);
}
void ClearScreen(void)
{
unsigned char i,j;
for(i=0;i<9;i++)
{
GPIO_ResetBits(LCD_GPIO, LCD_CS);
WriteToLCD(0xb0+i,1);
WriteToLCD(0x10,1);
WriteToLCD(0x00,1);
for(j=0;j<132;j++)
{
WriteToLCD(0x00,0);
}
}
}
/*********************************************************************************************************
** ????????: LCDAddr
** ?????è??: LCD???·????,????????
** ?? ????: page:??,column:??
** ?? ????: ??
** ????±???: ??
** ?÷?????é: ??
********************************************************************************************************/
void LCDAddr(unsigned char page,unsigned char column)
{
GPIO_ResetBits(LCD_GPIO, LCD_CS);
column--;
page--;
WriteToLCD(0xb0+page,1);
WriteToLCD(((column>>4)&0x0f)+0x10,1); //?????·??4??
WriteToLCD(column&0x0f,1); //?????·???4??
}
[/mw_shl_code]
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发表于 2015-10-18 08:37:16
楼主
发表于 2015-10-18 20:35:43
