#include "lcd_hd44780.h"
#include <stddef.h>
void lcd_hd44780_writeToDisp(lcd_hd44780_t *inst){
	
	inst->setGetGpio_event(&(inst->gpio_data),LCD_HD44780_SET);
}
/*
void lcd_hd44780_clearDisp(lcd_hd44780_t *inst){

	return;
	
}

void lcd_hd44780_printf(lcd_hd44780_t *inst, char *string){
	
	return;
	
}*/

static void lcd_writeCmd_disp(lcd_hd44780_t *inst, hd44780_cmd_t cmd, hd44780_setGet_t getSet){

	inst->gpio_data.data_bus = cmd;


	inst->gpio_data.rw_pin = getSet;

	// We want to write an instruction.
	inst->gpio_data.rs_pin = LCD_HD44780_INSTRUCTION;

	// E pin is sopposed to be zero when data is ready on port.
	inst->gpio_data.e_pin = 0;

	inst->setGetGpio_event(&(inst->gpio_data),getSet);

	// Then Clock data in with  E pin:
	inst->gpio_data.e_pin = 1;

	inst->setGetGpio_event(&(inst->gpio_data),getSet);

	// Then Clock data in with  E pin:
	inst->gpio_data.e_pin = 0;

	inst->setGetGpio_event(&(inst->gpio_data),getSet);


}

void lcd_hd44780_regGpioEvt(lcd_hd44780_t *inst, setGet_Gpio_Event_fpt getGpioEvt_fpt){
	
	//if(inst == NULL)return;

	inst->setGetGpio_event = getGpioEvt_fpt;
}

void lcd_hd44780_regWaitEvt(lcd_hd44780_t *inst, wait_ms_Event_fpt waitEvt_fpt){

	//if(inst == NULL)return;

	inst->wait_event = waitEvt_fpt;
}


void lcd_hd44780_init(lcd_hd44780_t *inst, lcd_hd44780_bitmode bit_mode){
	
	//inst->gpio_data = 0x00;
	inst->bit_mode = bit_mode;
	
	inst->gpio_data.data_bus = 0x0;
	inst->gpio_data.e_pin = 0x0;
	inst->gpio_data.rs_pin = 0x1;
	inst->gpio_data.rw_pin = 0x0;

	inst->setGetGpio_event(&(inst->gpio_data), 1);


	 lcd_writeCmd_disp(inst,LCD_HD44780_CLEAR_DISP,LCD_HD44780_SET);
	 //lcd_writeCmd_disp(inst,LCD_HD44780_DISP_ONOFF_CTL,LCD_HD44780_SET);

	return;
}