#include <atmel_start.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <usart_basic.h>
#include "UART.h"
#include "I2C.h"

ISR(TIMER1_COMPA_vect)
{
	PORTD ^= 0xff;																		//MCU동작확인용 점멸 LED
}

int read_ADC(int CH)
{
	//ADMUX = 0x00;

	ADMUX = ADMUX & 0b11110000;															//ADC 초기화
	ADMUX = ADMUX | (CH << MUX0);														//ADC 채널 선택

	ADCSRA = ADCSRA | (1 << ADSC);														//ADC 시작

	while (!(ADCSRA & (1 << ADSC)));													//ADC 종료

	return ADC;
}

int main(void)
{
	atmel_start_init();
	int read, VoltageMonitor, CurrentMonitor = 0;
	unsigned char data;
	int VoltageProgramming = 0;
	int CurrentProgramming = 0;

	UART_INIT();
	I2C_init();
	uint8_t addressV = 0b1001100;														//I2C의 Slave 1 Address
	uint8_t addressC = 0b1001000;														//I2C의 Slave 2 Address

	I2C_start();
	I2C_transmit(addressV << 1);														//Slave 1의 쓰기모드 실행
	I2C_transmit(0x40);																	//Slave 1의 제어 byte 입력
	I2C_transmit(0x00);																	//Slave 1의 제어 값 0입력: 초기화
	VoltageProgramming = 0;
	I2C_stop();
	I2C_start();
	I2C_transmit(addressC << 1);														//Slave 2의 쓰기모드 실행
	I2C_transmit(0x40);																	//Slave 2의 제어 byte 입력
	I2C_transmit(0x00);																	//Slave 2의 제어 값 0입력: 초기화
	I2C_stop();
	CurrentProgramming = 0;
	UART_printString("ALL Programming Data Set up is Complete> \r\n");
	UART_printString("명령어 표기: 53\r\n");
	UART_printString("Voltage Programming 입력: 56 -> 00~ff\r\n");
	UART_printString("Current Programming 입력: 43 -> 00~ff\r\n");
	UART_printString("Voltage, Current 초기화 입력: 58\r\n");
	UART_printString("Voltage, Current Programming 입력값(V, A)표기:5a\r\n");
	UART_printString("Voltage Monitor  출력: 76\r\n");
	UART_printString("Current Monitor  출력: 43\r\n");									//명령어 표기

	DDRD = 0x0c;

	TCCR1A = 0x00;
	TCCR1B = (1<<WGM12)|(1<<CS11)|(1<<CS10);
	TCCR1C = 0x00;
	OCR1AH = (62499 >>8);
	OCR1AL = 62499 & 0xff;
	TIMSK1 = (1<<OCIE1A);																//타이머 설정

	sei();

	while (1)
	{
		data = UART_receive();
		UART_transmit(data);

		if (data == 'S')																//S 수신시 명령어 표기
		{
			UART_printString("명령어 표기: 53\r\n");
			UART_printString("ALL Programming Data Set up is Complete> \r\n");
			UART_printString("Voltage Programming 입력: 56 -> 00~ff\r\n");
			UART_printString("Current Programming 입력: 43 -> 00~ff\r\n");
			UART_printString("Voltage, Current 초기화 입력: 58\r\n");
			UART_printString("Voltage, Current Programming 입력값(V, A)표기:5a\r\n");
			UART_printString("Voltage Monitor  출력: 76\r\n");
			UART_printString("Current Monitor  출력: 43\r\n");
		}

		else if (data == 'V')															//V 수신시 Voltage 값 입력
		{
			UART_printString("Voltage Programming Connect is ok");
			UART_printString("You put the Hex data");
			VoltageProgramming = UART_receive();
			I2C_start();
			I2C_transmit(addressV << 1);
			I2C_transmit(0x40);
			I2C_transmit(VoltageProgramming);
			I2C_stop();
			UART_transmit(VoltageProgramming);
		}

		else if (data == 'C')															//C 수신시 Current 값 입력
		{
			UART_printString("Current Programming Connect is ok");
			UART_printString("You put the Hex data");
			CurrentProgramming = UART_receive();
			I2C_start();
			I2C_transmit(addressC << 1);
			I2C_transmit(0x40);
			I2C_transmit(CurrentProgramming);
			I2C_stop();
			UART_transmit(CurrentProgramming);
		}
		else if (data == 'Z')															//Z 수신시 입력한 Voltage, Current 값 표시
		{
			UART_printString("Voltage is ");
			UART_print16bitNumber(VoltageProgramming*57);
			UART_printString("mV\n");
			UART_printString("   |   ");
			UART_printString("Current is");
			UART_print16bitNumber(CurrentProgramming*0.0079);
			UART_printString("uA \r\n");
		}
		else if (data == 'v')															//v 수신시 Feedback Voltage 값 표시
		{
			read = read_ADC(1);
			VoltageMonitor =  read / 102.3;
			UART_print16bitNumber(VoltageMonitor);
			UART_printString("V\r\n");
			UART_printString("Current Monitor와 중복값이 나올 시 다시 입력해주세요\r\n");
			_delay_ms(100);

			LED_GREEN_set_level(false);
			LED_YELLOW_set_level(true);
		}
		else if (data == 'c')															//c 수신시 Feedback Current 값 표시
		{
			read = read_ADC(0);
			CurrentMonitor =  (read / 102.3);
			UART_print16bitNumber(CurrentMonitor);
			UART_printString("mA\r\n");
			_delay_ms(100);
			UART_printString("Voltage 모니터와 중복값이 나올 시 다시 입력해주세요\r\n");
		}
		else if (data == 'X')															//X 수신시 Voltage, Current 값 초기화
		{
			I2C_start();
			I2C_transmit(addressV << 1);
			I2C_transmit(0x40);
			I2C_transmit(0x00);
			VoltageProgramming = 0;
			I2C_stop();
			I2C_start();
			I2C_transmit(addressC << 1);
			I2C_transmit(0x40);
			I2C_transmit(0x00);
			I2C_stop();
			CurrentProgramming = 0;
			UART_printString("ALL Programming Data 	Delete is ok");
		}

	}
	return 0;
}