void lcd_command_write( unsigned char command )
{
unsigned char temp=0;
unsigned int temp1=0;
temp=command;
temp=(temp>>4)&0x0F;
temp1=(temp<<28)&LCD_DATA_MASK;
LCD_CTRL_CLR = LCDRS;
LCD_CTRL_SET = LCDEN;
LCD_DATA_CLR = LCD_DATA_MASK;
LCD_DATA_SET = temp1;
delay(10000);
LCD_CTRL_CLR = LCDEN;
temp=command;
temp&=0x0F;
temp1=(temp<<28)&LCD_DATA_MASK;
delay(100*2);
LCD_CTRL_CLR |= LCDRS;
LCD_CTRL_SET |= LCDEN;
LCD_DATA_CLR = LCD_DATA_MASK;
LCD_DATA_SET = temp1;
delay(10000);
LCD_CTRL_CLR |= LCDEN;
wait_lcd();
}
/**
********************************************************************************************
Function Name : lcd_data_write()
Description :
Input :
Output : Void
Note :
********************************************************************************************
*/
void lcd_data_write( unsigned char data )
{
unsigned char temp=0;
unsigned int temp1=0;
temp=data;
temp=(temp>>4)&0x0F;
temp1=(temp<<19)&LCD_DATA_MASK;
LCD_CTRL_SET |= LCDEN;
LCD_CTRL_SET |= LCDRS;
LCD_DATA_CLR |= LCD_DATA_MASK;
LCD_DATA_SET |= temp1;
LCD_CTRL_CLR |= LCDEN;
temp=data;
temp&=0x0F;
temp1=(temp<<19)&LCD_DATA_MASK;
LCD_CTRL_SET |= LCDEN;
LCD_CTRL_SET |= LCDRS;
LCD_DATA_CLR |= LCD_DATA_MASK;
LCD_DATA_SET |= temp1;
LCD_CTRL_CLR |= LCDEN;
wait_lcd();
}
void write_char(unsigned char *c1)
{
EN = 1;
RS = 1;
RW = 0;
P1 = *c1;
EN = 0;
wait_lcd();
}
void clear_lcd(void)
{
EN = 1;
RS = 0;
RW = 0;
P1 = 0x01;
EN = 0;
wait_lcd();
}
void s_lcd(void)
{
EN = 1;
RS = 0;
RW = 0;
P1 = 0xC0;
EN = 0;
wait_lcd();
}
void init_lcd(void)
{
EN = 1;
RS = 0;
RW = 0;
P1 = 0x38;
EN = 0;
wait_lcd();
EN = 1;
RS = 0;
RW = 0;
P1 = 0x0E;
EN = 0;
wait_lcd();
EN = 1;
RS = 0;
RW = 0;
P1 = 0x06;
EN = 0;
wait_lcd();
}