#include "main.h"
#include "delay.h"
#include "deviceSetup.h"
#include "usart.h"
#include "ascii.h"
#include "timer.h"
#include "i2c.h"
#include "ssd1306_i2c.h"
#include "lcd_oled.h"

int main(int argc, char *argv[])
{	
	uint8_t i = 0;
	uint16_t slaveAddress = 0xC0; 
	uint8_t registerToRead = 0x00; 
	uint8_t i2cRecieved = 0; 
	uint8_t i2cData = 0xFF; 
	i2c_t i2c_1;
	
	delayInitMs(8000000, 1000); // Clock Freq and Divider for ARM library 
	
	pinConfig(pinB3, output, pushPull, def_res, def_speed);
	pinConfig(pinA0, input, def_stage, pullDown, def_speed);	
	
	setupInit(); // This is the sescond call of System init the assebly start code is calling it before the main.	
	
	usartInit(	usart2, 
				pinA2, 
				pinA15,
				115200,
				eight, 
				NO_PARITY_CTRL,
				noFlowControl); 

	//clears screen and send the wellcome messgae
	print_Usart(usart2, ASCII_clear); 
	print_Usart(usart2, "Hello to our KED project\n\r"); 
	

	//blinks 10 times to indicate the sicsessfull init if the device
	for(i = 0 ; i < 2 ; i++) {
		delayMs(100); 
		pinToggle(pinB3);
		delayMs(100); 
	}

	pinWrite(pinB3,0);
	
	i2c_init(&i2c_1, I2C_CH_1, i2c_mode_master, 0x00,0x00, i2c_address_count_single, i2c_address_size_7b, i2c_clk_speed_standart, i2c_clk_stretching_disable, i2c_wake_disabled);
	
	slaveAddress = SSD1306_I2C_ADDRESS; 
	registerToRead = 0x02; 
	registerToRead = 0x06; 
	i2cData = 0xAA;
	
	i2c_check_device(&i2c_1, &slaveAddress);

	/* Pin Connections of of OLED
	 * GND = GND
	 * VCC = 5V
	 * DO = SCL
	 * D1 = SDA 
	 * RES = Require a low to high transition
	 * DC = GND
	 * CS = GND
	 * ADDRESS = 0X3C
	 * FOR I2C opperation 
	 *	-> R4 & R1 : Has resistor | R2 & R3 : Has no Resistor 
	 *	-> R8 Needs to be bridged
	 */

	lcd_oled_init(&i2c_1 , SSD1306_I2C_ADDRESS);
	lcd_oled_display(); //Adafruit logo is visible
	delayMs(1000);
	lcd_oled_clear();

	i = 5;
	lcd_oled_print_char(i, 5, 'K' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'E' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'D' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, ' ' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'W' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'E' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'L' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'C' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'O' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'M' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'E' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'S' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, ' ' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'Y' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'O' , WHITE);
	i += 6;
	lcd_oled_print_char(i, 5, 'U' , WHITE);

	for(i = 15; i < 50; i++)
	{
		lcd_oled_draw_pixel(i,i,WHITE); 
	}
	
	for(i = 15; i < 53; i++)
	{
		lcd_oled_draw_pixel(15,i,WHITE); 
	}
	lcd_oled_display(&i2c_1);
	delayMs(2000);

	print_Usart(usart2, "\n\r"); 
	print_Usart(usart2, "All Is Working fine "); 
	print_Usart(usart2, "\n\r"); 	

	while(1)
	{
		delayMs(100); 
		pinToggle(pinB3);
		delayMs(100); 
	}
	
	return 1;
}