void LCD_init()
{
LCD_CNTRL_DDR = 0xFF;
LCD_CNTRL_PORT = 0x00;
LCD_DATA_DDR = 0xFF;
LCD_DATA_PORT = 0x00;
_delay_ms(10);
LCD_send_command(0x38);
LCD_send_command(0x0C);
LCD_send_command(0x01);
_delay_ms(10);
LCD_send_command(0x06);
}
void LCD_init(){
RCC->APB2ENR |= RCC_APB2ENR_IOPAEN;
LCD_setToWrite();
delay_ms(50);
LCD_send_init_command(0x03, 10); /*Initiating program reset*/
LCD_send_init_command(0x03, 5); /*Program reset*/
LCD_send_init_command(0x03, 5); /*Program reset*/
LCD_send_init_command(0x02, DELAY); /*Switching to 4 bit mode*/
LCD_send_command(0x08); /*display off*/
LCD_send_command(0x2F); /*Setting 2 line mode*/
LCD_send_command(0x04); /*Entry mode set*/
LCD_send_command(0x01); /*clearing DDRAM*/
LCD_send_command(0x0C); /*display on*/
}
/* This function moves the cursor the line y column x on the LCD module*/
void LCD_goto(unsigned char y, unsigned char x)
{
unsigned char firstAddress[] = {0x80,0xC0,0x94,0xD4};
LCD_send_command(firstAddress[y-1] + x-1);
_delay_ms(10);
}
void LCD_goto(uint8_t x, uint8_t y){
uint8_t cmd = 0x80;
uint8_t temp = 0;
if((x > LCD_x_cnt - 1) || (y > LCD_y_cnt - 1)){
LCD_clear();
LCD_writeString("LCD_ERR!\nWRONG GOTO!");
delay_ms(3000);
LCD_clear();
return;
}
LCD_x = x;
LCD_y = y;
temp = x/16;
if(!y) cmd |= temp<<4;
else cmd |= (temp<<4) + 0x40;
cmd |= (x-temp*16);
LCD_send_command(cmd);
}
void LCD_clear(){
LCD_x = 0;
LCD_y = 0;
LCD_send_command(0x01);
}
