void initLCD(void){
GPIO_DeInit(LCD_PORT);
GPIO_Init(LCD_PORT, GPIO_PIN_ALL, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_WriteLow(LCD_PORT,LCD_E); //clear enable
GPIO_WriteLow(LCD_PORT,LCD_RS); //going to write command
DelayMS(30); //delay for LCD to initialise.
LCD_NYB(0x03,0); //Required for initialisation
DelayMS(5); //required delay
LCD_NYB(0x03,0); //Required for initialisation
DelayMS(1); //required delay
LCD_DATA(0x02,0); //set to 4 bit interface, 1 line and 5*7 font
LCD_DATA(0x28,0); //set to 4 bit interface, 2 line and 5*10 font
LCD_DATA(0x0c,0); //set to 4 bit interface, 2 line and 5*7 font
LCD_DATA(0x01,0); //clear display
LCD_DATA(0x06,0); //move cursor right after write
}
void LCD_Init(void){
//Setai pini pt LCD
LCD_PORT->MODER = 0x5055; //Setaea pinilo pentu output PD0:PD3(DB4:DB7),PD6(E),PD7(RS)
LCD_PORT->OTYPER = 0x00; //Setae de tip PUSH-PULL pentu toti
LCD_PORT->OSPEEDR = 0xA0AA; //50 MHz Fecventa potului pentu LCD
LCD_PORT->PUPDR = 0x00; //PULL-UP/PULL-DOWN Dezactivate
BitClr(LCD_E); //clear enable - pin PD6
BitClr(LCD_RS); //going to write command - pin PD7
DelayMS(30); //delay for LCD to initialise.
LCD_NYB(0x30,0); //Required for initialisation
DelayMS(5); //required delay
LCD_NYB(0x30,0); //Required for initialisation
DelayMS(1); //required delay
LCD_DATA(0x02,0); //set to 4 bit interface, 1 line and 5*7 font
LCD_DATA(0x28,0); //set to 4 bit interface, 2 line and 5*10 font
LCD_DATA(0x0c,0); //set to 4 bit interface, 2 line and 5*7 font
LCD_DATA(0x01,0); //clear display
LCD_DATA(0x06,0); //move cursor right after write
}
//--------------------------------------------------------------------------------//
void LCD_DATA(unsigned char data,unsigned char type){
WaitLCDBusy(); //TEST LCD FOR BUSY
if(type == CMD){
BitClr(LCD_RS); //COMMAND MODE
} else {
BitSet(LCD_RS); //CHARACTER/DATA MODE
}
LCD_NYB(data>>4,type); //WRITE THE UPPER NIBBLE
LCD_NYB(data,type); //WRITE THE LOWER NIBBLE
}
void LCD_DATA(unsigned char data,unsigned char type){
DelayMS(10); //TEST LCD FOR BUSY
LCD_NYB(data>>4,type); //WRITE THE UPPER NIBBLE
LCD_NYB(data,type); //WRITE THE LOWER NIBBLE
}
