//init 8 custom char
void LCDDefineProgressBarChar()
{
uint8_t ch=0, chn=0;
while(ch<48)
{
LCDdefinechar((LcdCustomChar+ch),chn++);
ch=ch+8;
}
}
void LCDinit(void)//Initializes LCD
{
#ifdef LCD_4bit
//4 bit part
_delay_ms(15);
LDP=0x00;
LCP=0x00;
LDDR|=1<<LCD_D7|1<<LCD_D6|1<<LCD_D5|1<<LCD_D4;
LCDR|=1<<LCD_E|1<<LCD_RW|1<<LCD_RS;
//---------one------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|1<<LCD_D4; //4 bit mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//-----------two-----------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|1<<LCD_D4; //4 bit mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//-------three-------------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|0<<LCD_D4; //4 bit mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//--------4 bit--dual line---------------
LCDsendCommand(0b00101000);
//-----increment address, invisible cursor shift------
LCDsendCommand(0b00001100);
//init 8 custom chars
uint8_t ch=0, chn=0;
while(ch<64)
{
LCDdefinechar((LcdCustomChar+ch),chn++);
ch=ch+8;
}
#else
//8 bit part
_delay_ms(15);
LDP=0x00;
LCP=0x00;
LDDR|=1<<LCD_D7|1<<LCD_D6|1<<LCD_D5|1<<LCD_D4|1<<LCD_D3
|1<<LCD_D2|1<<LCD_D1|1<<LCD_D0;
LCDR|=1<<LCD_E|1<<LCD_RW|1<<LCD_RS;
//---------one------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|1<<LCD_D4|0<<LCD_D3
|0<<LCD_D2|0<<LCD_D1|0<<LCD_D0; //8 it mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//-----------two-----------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|1<<LCD_D4|0<<LCD_D3
|0<<LCD_D2|0<<LCD_D1|0<<LCD_D0; //8 it mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//-------three-------------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|1<<LCD_D4|0<<LCD_D3
|0<<LCD_D2|0<<LCD_D1|0<<LCD_D0; //8 it mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//--------8 bit dual line----------
LDP=0<<LCD_D7|0<<LCD_D6|1<<LCD_D5|1<<LCD_D4|1<<LCD_D3
|0<<LCD_D2|0<<LCD_D1|0<<LCD_D0; //8 it mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(1);
//-----increment address, invisible cursor shift------
LDP=0<<LCD_D7|0<<LCD_D6|0<<LCD_D5|0<<LCD_D4|1<<LCD_D3
|1<<LCD_D2|0<<LCD_D1|0<<LCD_D0; //8 it mode
LCP|=1<<LCD_E|0<<LCD_RW|0<<LCD_RS;
_delay_ms(1);
LCP&=~(1<<LCD_E);
_delay_ms(5);
//init custom chars
uint8_t ch=0, chn=0;
while(ch<64)
{
LCDdefinechar((LcdCustomChar+ch),chn++);
ch=ch+8;
}
#endif
}
void LCDinit(void) //Initializes LCD
{
//power on delay
_delay_ms(POWER_ON_DELAY);
//setup data and control registers
LCD_DDR |= 1 << LCD_D7 | 1 << LCD_D6 | 1 << LCD_D5 | 1 << LCD_D4;
LCD_CDR |= 1 << LCD_ENABLE | 1 << LCD_RW | 1 << LCD_RS;
//Issue MSB(0b0011xxxx) command 3 times. use proper timing
LCD_DATAPORT = 0x00;
LCD_CONTROLPORT = 0x00;
LCD_DATAPORT = 0 << LCD_D7 | 0 << LCD_D6 | 1 << LCD_D5 | 1 << LCD_D4; //4 bit mode
LCD_CONTROLPORT |= 0 << LCD_ENABLE | 0 << LCD_RW | 0 << LCD_RS;
//1st pulse
LCDexecute();
_delay_ms(4); //wait more then 4.1ms
//2nd pulse
LCDexecute();
//3rd pulse
LCDexecute();
#ifdef LCD_4bit
//4 bit mode
//Function Set: change to 4bit mode
//same call but without D4 bit
LCD_DATAPORT &= ~(1 << LCD_D4); //4 bit mode
LCDexecute();
//4bit mode operation starts here
//Function Set: 4 bit,dual line,5x8
LCDsendCommand(
(1 << LCD_FUNCTION) | (0 << LCD_FUNCTION_8BIT)
| (1 << LCD_FUNCTION_2LINES) | (0 << LCD_FUNCTION_10DOTS));
#else
//8-bit mode
//Function Set: 8 bit,dual line,5x8
LCDsendCommand(
(1 << LCD_FUNCTION) | (1 << LCD_FUNCTION_8BIT)
| (1 << LCD_FUNCTION_2LINES) | (0 << LCD_FUNCTION_10DOTS));
#endif
//Display Control: disp Off,cursor off,blinking off
LCDsendCommand(
(1 << LCD_DISPLAY) | (0 << LCD_DISPLAY_ON) | (0 << LCD_CURSOR_ON)
| (0 << LCD_BLINK_ON));
//Clear Display
LCDsendCommand(1 << LCD_CLR);
_delay_ms(3); //special more then 3ms case
//Entry Mode Set: I/D: On S:Off
LCDsendCommand(
(1 << LCD_ENTRY_MODE) | (1 << LCD_ENTRY_MODE_INC)
| (0 << LCD_ENTRY_MODE_SHIFT));
//End of Initialization , clear display now and switch it ON.
//Display Control: disp ON,cursor off,blinking off
LCDsendCommand(
(1 << LCD_DISPLAY) | (1 << LCD_DISPLAY_ON) | (0 << LCD_CURSOR_ON)
| (0 << LCD_BLINK_ON));
//user defined chars definitions come here
//defines backslash char symbol in CGRAM memory
//LCDdefinechar(backslash,0);
//init 8 custom chars
uint8_t ch=0, chn=0;
while(ch<64)
{
LCDdefinechar((LCDcustomChar+ch),chn++);
ch=ch+8;
}
}
