// 전자공작 : http://cafe.naver.com/circuitsmanual
// DateTime : 2019-05-18 오후 10:42:20
// by Ok-Hyun Park
//
#define F_CPU 16000000UL //내부 CPU 클록 16000000Hz
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdio.h>
#include <util/delay.h>
//#include “usart.h”
//
#define LED_SETTING DDRA|=1<<PA0 //LED 연결 핀을 출력 상태로
#define S0          PB0          // 색 감지 센서 주파수%조정
#define S1          PB1          // 색 감지 센서 주파수%조정
#define S2          PB2          // 색상 조정
#define S3          PB3          // 색상 조정
#define S4          PB4          // TCS3200 라이트
//
#define nop2       {asm volatile(" NOP "); asm volatile(" NOP ");} // 어셈블리어 2클록 딜레이
#define nop6       {nop2;nop2;nop2;}                               // 어셈블리어 6클록 딜레이
#define nop12      {nop2;nop2;nop2;nop2;nop2;nop2;}                // 어셈블리어 12클록 딜레이
#define ws2812b_1  PORTA|=(1<<PA0)   // LED 켜기
#define ws2812b_0  PORTA&=~(1<<PA0)  // LED 끄기
//
volatile enum state_m{NORMAL,ROMANTIC,COLORCHANGE,BLUETOOTH} statem=0; // 모드 선언 열거
volatile unsigned int light=50; // 밝기 변수[0~255]
volatile unsigned int bright=2; // 밝기 변수[light/25][0~10]
volatile unsigned int play=0;   // 상태 사용 변수
volatile unsigned int number=0; // 타이머 오버 플로 1s 단위를 위한 변수
volatile unsigned int value=0;  // 주파수 측정 변수
volatile unsigned int shift;    // ROMANTIC MODE 색깔변경
volatile unsigned int t;
volatile unsigned int red_fre;   // RGB R 주파수
volatile unsigned int blue_fre;  // RGB B 주파수
volatile unsigned int green_fre; // RGB G 주파수
volatile enum state_t{ RED,BLUE,GREEN} statet=RED; // 주파수 열거
volatile char led[13][3];
volatile char receive;
//
volatile char led_romantic[156][3]={
  {255,0,0},{ 245,0,10},{ 235,0,20},{ 224,0,31},{ 214,0,41},{ 204,0,51},{ 194,0,61},{ 184,0,71},{ 173,0,82},{ 163,0,92},
  {153,0,102},{ 143,0,112},{ 133,0,122},{ 122,0,133},{ 112,0,143},{ 102,0,153},{ 92,0,163},{ 82,0,173},{ 71,0,184},{ 61,0,194},
  {51,0,204},{ 41,0,214},{ 31,0,224},{ 20,0,235},{ 10,0,245},{ 0,0,255},{ 0,0,255},{ 0,10,245},{ 0,20,235},{ 0,31,224},
  {0,41,214},{ 0,51,204},{ 0,61,194},{ 0,71,184},{ 0,82,173},{ 0,92,163},{ 0,102,153},{ 0,112,143},{ 0,122,133},{ 0,133,122},
  {0,143,112},{ 0,153,102},{ 0,163,92},{ 0,173,82},{ 0,184,71},{ 0,194,61},{ 0,204,51},{ 0,214,41},{ 0,224,31},{ 0,235,20},
  {0,245,10},{ 0,255,0},{ 0,255,0},{ 10,245,0},{ 20,235,0},{ 31,224,0},{ 41,214,0},{ 51,204,0},{ 61,194,0},{ 71,184,0},
  {82,173,0},{ 92,163,0},{ 102,153,0},{ 112,143,0},{ 122,133,0},{ 133,122,0},{ 143,112,0},{ 153,102,0},{ 163,92,0},{ 173,82,0},
  {184,71,0},{ 194,61,0},{ 204,51,0},{ 214,41,0},{ 224,31,0},{ 235,20,0},{ 245,10,0},{ 255,0,0},
  //
  {255,0,0},{ 245,0,10},{ 235,0,20},{ 224,0,31},{ 214,0,41},{ 204,0,51},{ 194,0,61},{ 184,0,71},{ 173,0,82},{ 163,0,92},
  {153,0,102},{ 143,0,112},{ 133,0,122},{ 122,0,133},{ 112,0,143},{ 102,0,153},{ 92,0,163},{ 82,0,173},{ 71,0,184},{ 61,0,194},
  {51,0,204},{ 41,0,214},{ 31,0,224},{ 20,0,235},{ 10,0,245},{ 0,0,255},{ 0,0,255},{ 0,10,245},{ 0,20,235},{ 0,31,224},
  {0,41,214},{ 0,51,204},{ 0,61,194},{ 0,71,184},{ 0,82,173},{ 0,92,163},{ 0,102,153},{ 0,112,143},{ 0,122,133},{ 0,133,122},
  {0,143,112},{ 0,153,102},{ 0,163,92},{ 0,173,82},{ 0,184,71},{ 0,194,61},{ 0,204,51},{ 0,214,41},{ 0,224,31},{ 0,235,20},
  {0,245,10},{ 0,255,0},{ 0,255,0},{ 10,245,0},{ 20,235,0},{ 31,224,0},{ 41,214,0},{ 51,204,0},{ 61,194,0},{ 71,184,0},
  {82,173,0},{ 92,163,0},{ 102,153,0},{ 112,143,0},{ 122,133,0},{ 133,122,0},{ 143,112,0},{ 153,102,0},{ 163,92,0},{ 173,82,0},
  {184,71,0},{ 194,61,0},{ 204,51,0},{ 214,41,0},{ 224,31,0},{ 235,20,0},{ 245,10,0},{ 255,0,0}
}; //로맨틱 모드
//
void byte_out(int d){
  char i;
  for(i=0; i<8; i++){
//    if(d&0x80){ ws2812b_1; nop12; ws2812b_0; }
    if(d&0x80){
      ws2812b_1;
      nop12;
      ws2812b_0;
    }
    else      { ws2812b_1; nop6;  ws2812b_0; }
    d<<=1;
  }
} // LED 색상 제어
ISR(INT2_vect){ play=1; PORTB&=~(1<<S4); } // 색상 감지 기능 OFF,색깔 고정(4번 버튼)
//
ISR(INT3_vect){ // 현재 스탠드의 모드를 바꾸어줌(5번 버튼)
  for(int x=0; x<9; x++){ byte_out(0); byte_out(0); byte_out(0); }
  _delay_ms(50);
  receive=0; bright=2; light=50;
  if(++statem>1)statem=0;
  _delay_ms(500); //스위치 채터링 방지용 딜레이
}
//
int main(){
  while(1){}
}