void LCDinit(void)//Initializes LCD
{
_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, cursor shift------
LCDsendCommand(0b00001110);
}
void LCDinit(void) //Initializes LCD
{
_delay_ms(15);
//zero to data pins
LCDMix_4Bit(0b00000000);
//zero to control pins
LDPRS &= ~(1 << LCD_RS);
LDPRW &= ~(1 << LCD_RW);
LDPE &= ~(1 << LCD_E);
//set data direction
LDDD4 |= 1 << LCD_D4;
LDDD5 |= 1 << LCD_D5;
LDDD6 |= 1 << LCD_D6;
LDDD7 |= 1 << LCD_D7;
//control direction pins
LDDRS |= 1 << LCD_RS;
LDDRW |= 1 << LCD_RW;
LDDE |= 1 << LCD_E;
//---------one------
LCDMix_4Bit(0b00110000);
LDPE |= 1 << LCD_E;
_delay_ms(1);
LDPE &= ~(1 << LCD_E);
_delay_ms(1);
//-----------two-----------
LCDMix_4Bit(0b00110000);
LDPE |= 1 << LCD_E;
_delay_ms(1);
LDPE &= ~(1 << LCD_E);
_delay_ms(1);
//-------three-------------
LCDMix_4Bit(0b00100000);
LDPE |= 1 << LCD_E;
_delay_ms(1);
LDPE &= ~(1 << LCD_E);
_delay_ms(1);
//--------4 bit--dual line---------------
LCDsendCommand(0b00101000);
//-----increment address, invisible cursor shift------
LCDsendCommand(0b00001100);
}
//Moves cursor by n poisitions left
void LCDcursorRight(uint8_t n)
{
for (uint8_t i=0;i<n;i++)
{
LCDsendCommand(0x14);
}
}
void LCDcursorLeft(uint8_t n) //Moves cursor by n positions left
{
for(uint8_t i = 0; i < n; i++)
{
LCDsendCommand(0x10);
}
}
void LCDGotoXY(uint8_t x, uint8_t y) //Cursor to X Y position
{
register uint8_t DDRAMAddr;
// remap lines into proper order
switch(y)
{
case 0:
DDRAMAddr = LCD_LINE0_DDRAMADDR+x;
break;
case 1:
DDRAMAddr = LCD_LINE1_DDRAMADDR+x;
break;
case 2:
DDRAMAddr = LCD_LINE2_DDRAMADDR+x;
break;
case 3:
DDRAMAddr = LCD_LINE3_DDRAMADDR+x;
break;
default:
DDRAMAddr = LCD_LINE0_DDRAMADDR+x;
}
// set data address
LCDsendCommand(1<<LCD_DDRAM | DDRAMAddr);
}
void LCDshiftRight(uint8_t n) //Scrol n of characters Left
{
for (uint8_t i=0;i<n;i++)
{
LCDsendCommand(0x18);
}
}
void LCDcursorRight(uint8_t n) //Moves cursor by n poisitions left
{
for (uint8_t i=0;i<n;i++)
{
LCDsendCommand(0x14);
}
}
//Moves cursor by n poisitions left
void LCDcursorLeft(uint8_t n)
{
for (uint8_t i=0;i<n;i++)
{
LCDsendCommand(0x10);
}
}
void LCDshiftLeft(uint8_t n) //Scroll n of characters Right
{
for(uint8_t i = 0; i < n; i++)
{
LCDsendCommand(0x1E);
}
}
//Scrol n of characters Left
void LCDshiftRight(uint8_t n)
{
uint8_t i;
for (i=0;i<n;i++)
{
LCDsendCommand(0x18);
}
}
//Scrol n of characters Right
void LCDshiftLeft(uint8_t n)
{
uint8_t i;
for (i=0;i<n;i++)
{
LCDsendCommand(0x1C);
}
}
/*
const uint8_t backslash[] PROGMEM=
{
0b00000000,//back slash
0b00010000,
0b00001000,
0b00000100,
0b00000010,
0b00000001,
0b00000000,
0b00000000
};
LCDdefinechar(backslash,0);
*/
void LCDdefinechar(const uint8_t *pc,uint8_t char_code){
uint8_t a, pcc;
uint16_t i;
a=(char_code<<3)|0x40;
for (i=0; i<8; i++){
pcc=pgm_read_byte(&pc[i]);
LCDsendCommand(a++);
LCDsendChar(pcc);
}
}
//lcd init
void LCDinit()
{
//setup lcd pin
lcd_pin_setup();
//init lcd
_delay_ms(50);
bit_clear(LCD_RS_PORT, BIT(LCD_RS_BIT));
bit_clear(LCD_EN_PORT, BIT(LCD_EN_BIT));
bit_set(LCD_D4_PORT, BIT(LCD_D4_BIT));
bit_set(LCD_D5_PORT, BIT(LCD_D5_BIT));
LCDtoggleEn();
_delay_ms(10);
//LCD_PORT=0x30; //DB4 = DB5 = 1, RS = RW = 0
LCDtoggleEn();
_delay_ms(5);
//LCD_PORT=0x30; //DB4 = DB5 = 1, RS = RW = 0
LCDtoggleEn();
_delay_ms(5);
//LCD_PORT=0x20; //DB5 = 1, RS = RW = 0
bit_clear(LCD_D4_PORT, BIT(LCD_D4_BIT));
LCDtoggleEn();
_delay_ms(5);
//set setting
LCDsendCommand(0x28); //4bit 2line 5x7font
LCDsendCommand(0x0c); //display on cursor off
LCDsendCommand(0x06); //auto inc display shift off
LCDsendCommand(0x80); //cursor home
//init 8 custom chars
//uint8_t ch=0, chn=0;
//while(ch<64)
//{
//LCDdefinechar((LcdCustomChar+ch),chn++);
//ch=ch+8;
//}
LCDDefineProgressBarChar();
}
//Clears LCD
void LCDclr()
{
LCDsendCommand(1<<LCD_CLR);
}
void LCDvisible(void) //Shows LCD
{
LCDsendCommand(0x0C);
}
//displays LCD cursor
void LCDcursorOn()
{
LCDsendCommand(0x0E);
}
void LCDcursorOFF(void) //turns OFF cursor
{
LCDsendCommand(0x0C);
}
void LCDblank(void) //blanks LCD
{
LCDsendCommand(0x08);
}
void LCDcursorOn(void) //displays LCD cursor
{
LCDsendCommand(0x0E);
}
void LCDcursorOnBlink(void) //displays LCD blinking cursor
{
LCDsendCommand(0x0F);
}
//turns OFF cursor
void LCDcursorOFF()
{
LCDsendCommand(0x0C);
}
//displays LCD blinking cursor
void LCDcursorOnBlink()
{
LCDsendCommand(0x0F);
}
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
}
//blanks LCD
void LCDblank()
{
LCDsendCommand(0x08);
}
//LCD cursor home
void LCDhome()
{
LCDsendCommand(1<<LCD_HOME);
}
//Shows LCD
void LCDvisible()
{
LCDsendCommand(0x0C);
}
void LCDclr(void) //Clears LCD
{
LCDsendCommand(1<<LCD_CLR);
}
void LCDhome(void) //LCD cursor home
{
LCDsendCommand(1<<LCD_HOME);
}
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;
}
}
