.c

void lcd_implementation_init() {
	GPIO_InitTypeDef ports;
    RCC_AHB1PeriphClockCmd(RCC_GPIO, ENABLE);
	//Declare pins to configure
	ports.GPIO_Pin = CS_PIN | RST_PIN | DC_PIN | DIN_PIN | SCK_PIN | LED_PIN;
	ports.GPIO_Speed = GPIO_Speed_100MHz;
	ports.GPIO_Mode = GPIO_Mode_OUT;
	ports.GPIO_OType = GPIO_OType_PP;
	//Init Port
	GPIO_Init(GPIO_PORT, &ports);
	init_display();
}
static void init_display() {
	lcd_led(RESET_STATE);
	lcd_rst(RESET_STATE);
	systick_delay(10);
	lcd_rst(SET_STATE);
	write_command(0x21); //Extended instruction set selected
	write_command(0xC0); //Set LCD voltage // 0xB7 from code
    write_command(0x06); //Set temperature control (TC2)
	write_command(0x14); //Set Bias for 1/48 /// 0x14 from code
	write_command(0x20); //Revert to standard instruction set
    write_command(0x0C);
	clear_lcd();
}