#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "Nano100Series.h"
#include "adc.h"
#include "gpio.h"
#include "pwm.h"
#include "timer.h"
#include "uart.h"
#include "sys.h"
#include "clk.h"

#include "My_define.h"


////////////////////////////////////////////////////////////////////////////////
//////////////////////// HOOD 485 //////////////////////////////////////////////
extern uint16_t Hood_polling_timer;
extern uint8_t rx_hood_485_TimeOut;
uint8_t Tx_Hood_Buff[20], Rx_Hood_Buff[20];
uint8_t Yeungong_Status = 0;
uint8_t Hood_Power_On = 0;
uint8_t Hood_Fan_Mode = 0;
uint8_t Hood_Control = 0;
uint8_t Hood_Rx_Complete = 0;
uint8_t Hood_Status = 0;

uint8_t CheckSum_Creator(uint8_t *buf, uint8_t len)
{
	uint8_t i, rt;

	rt = 0;
	
	for(i=0; i<len; i++)
	{
		rt ^= buf[i];
	}

	return(rt);
}


uint8_t Rx_hood_Pos = 0;
void rx_hood_check(uint8_t data)
{
	uint8_t Tmp = 0, cksum = 0;
	
	if(rx_hood_485_TimeOut == 0)Rx_hood_Pos = 0;
    
	switch(Rx_hood_Pos)
	{
		case 0:
			if(data != 0xAA)break;
			Rx_Hood_Buff[Rx_hood_Pos++] = data;
			break;
		case 1:
			if(data != 0x11)
            {
                Rx_hood_Pos = 0;
            }
            Rx_Hood_Buff[Rx_hood_Pos++] = data;
			break;
        case 2:
		case 3:
		case 4:
		case 5:
		case 6:
		case 7:
		case 8:
		case 9:
		case 10:
		case 11:
            Rx_Hood_Buff[Rx_hood_Pos++] = data;
			break;
		case 12:
			Rx_Hood_Buff[Rx_hood_Pos++] = data;
			cksum = data;

			if(cksum == CheckSum_Creator(Rx_Hood_Buff, 12))
			{
				Hood_Rx_Complete = 1;
			}
			Rx_hood_Pos = 0;	
			break;
		default:
			Rx_hood_Pos = 0;
			break;
	}
}
//-------------------------------------
void UART0_HANDLE()
{
    uint8_t u8InChar=0xFF;
    uint32_t u32IntSts= UART0->ISR;

    if(u32IntSts & UART_ISR_RDA_IS_Msk)
    {
       u8InChar = UART_READ(UART0);           /* Rx trigger level is 1 byte*/

		rx_hood_check(u8InChar);
		rx_hood_485_TimeOut = 10;  
    }

    if(u32IntSts & UART_ISR_THRE_IS_Msk)
    {
;
    }
}


void UART0_IRQHandler(void)
{
    UART0_HANDLE();
}
//----------------------------------

void Hood_Tx_packet(void)
{
    Tx_Hood_Buff[0] = 0xAA;
    Tx_Hood_Buff[1] = 0x21;
    Tx_Hood_Buff[2] = 0x01;
    Tx_Hood_Buff[3] = Run_Mode;
    Tx_Hood_Buff[4] = Fan_Mode;
    Tx_Hood_Buff[5] = Hood_YeunDong_Enable;
    Tx_Hood_Buff[6] = Yeungong_Status;
    Tx_Hood_Buff[7] = 0x00;
    Tx_Hood_Buff[8] = Hood_Power_On | Hood_Control;
    Tx_Hood_Buff[9] = Hood_Fan_Mode | Hood_Control;
    Tx_Hood_Buff[10] = 0x00;
    Tx_Hood_Buff[11] = 0x00;
    Tx_Hood_Buff[12] = CheckSum_Creator(Tx_Hood_Buff, 12);
    
    if(Hood_Control == 0x80)Hood_Control = 0;
    
    HOOD_485_DIR = 1; // DIR
    UART_Write(UART0,Tx_Hood_Buff, 13);
    while ( !(UART0->FSR & UART_FSR_TX_EMPTY_F_Msk) );
    while ( !(UART0->FSR & UART_FSR_TE_F_Msk) );
    HOOD_485_DIR = 0; // DIR;
}

void Hood_RS485_process(void)
{
    if(Hood_Rx_Complete == 1)
    {
        Hood_Rx_Complete = 0;
        Hood_Conn_Timeout = 1500;   /* 유효 응답 수신 -> 통신연결 생존(폴 500ms 기준 ~3회 누락 허용) */
        Hood_Status = Rx_Hood_Buff[3];
//        if((Hood_Status == 1)&&(Hood_Yeundong_flag == 0))Command_request_type |= TYPE_HOOD_STATE;// add 2022.1.25
//        if((Hood_Status == 0)&&(Hood_Yeundong_flag == 1))Command_request_type |= TYPE_HOOD_STATE;// add 2022.1.25
//        Hood_Yeundong_flag = Hood_Status;
    }
    else
    {
        if(Hood_polling_timer == 0)
        {
            Hood_polling_timer = 500;
            Hood_Tx_packet();
        }
    }
}



uint8_t HREV_Hood_Control = 0;
uint16_t Hood_Warming_up_Timer = 0;
uint8_t Pre_Hood_Status = 0;
uint8_t Tx_Yeundong_Delay = 0;

/* 후드 단수 -> 환기장치 풍량 추종 매핑(사양 260613 9p 3.2) : 1->1,2->2,3->3,4->4,5->4 */
static uint8_t Hood_Step_To_Fan(uint8_t hs)
{
    if(hs == 0) return 0;
    return (hs > 4) ? 4 : hs;
}

uint8_t Hood_process(void)//200ms
{
    if((Hood_YeunDong_Enable == 0)||(HREV_Hood_Control == 1))return(0);
      
	if(Hood_Status != Pre_Hood_Status)
	{
		if((Pre_Hood_Status == 0)&&(Hood_Status != 0)) // 후드 ON : 메이크업 에어 진입(자동/수동 일시정지)
		{
			My_Memory_Run_Mode = Run_Mode;
			if((Run_Mode == MODE_AUTO)&&(Fan_Mode == 0))My_Memory_Fan_Mode = 1;
			else My_Memory_Fan_Mode = Fan_Mode;

			Set_Run_Mode = MODE_VENTILATION;
			Set_Fan_Mode = Hood_Step_To_Fan(Hood_Status); // 후드 단수 추종(사양 260613 9p 3.2)

			if(Set_Reserve_timer_sec != 0)
			{
				Set_Reserve_timer_sec = 0;
				Command_request_type |= (TYPE_RESERVATION);
			}

			Command_request_type |= (TYPE_MODE|TYPE_FAN_SPEED);
            Tx_Yeundong_Delay = 30;
		}
		else if(Hood_Status == 0) // 후드 OFF : 즉시 원래 모드/풍량 복귀 (메이크업 유지는 후드측 담당, 사양 260613 9p 3.3)
		{
			Set_Run_Mode = My_Memory_Run_Mode;
			Set_Fan_Mode = My_Memory_Fan_Mode;

			if(Set_Reserve_timer_sec != 0)
			{
				Set_Reserve_timer_sec = 0;
				Command_request_type |= (TYPE_RESERVATION);
			}

			Command_request_type |= (TYPE_MODE|TYPE_FAN_SPEED|TYPE_HOOD_STATE);
			Hood_Yeundong_flag = 0;
			Hood_Warming_up_Timer = 0;
			Tx_Yeundong_Delay = 0;
		}
        else // 후드 단수 변경(1~5) : 메이크업 풍량 단수 추종 갱신
        {
            uint8_t f = Hood_Step_To_Fan(Hood_Status);
            if(Set_Fan_Mode != f)
            {
                Set_Fan_Mode = f;
                Command_request_type |= (TYPE_FAN_SPEED);
                Tx_Yeundong_Delay = 30;   // 룸컨(My_RJ2)이 연동 풍량변경을 수동명령으로 오인하지 않도록 디바운스
            }
        }
	}

    /* 메이크업 진입/단수변경 MODE/FAN 전송 후 연동 플래그 set + 룸컨 통지.
       Tx_Yeundong_Delay 는 룸컨(My_RJ2)이 연동 명령을 사용자 수동명령과 구분하는 데 사용(불변).
       조리 종료 후 잔여 배출(메이크업 유지)은 후드측이 담당하므로 여기서 롤백 타이머는 두지 않음. */
    if(Tx_Yeundong_Delay)
    {
        Tx_Yeundong_Delay--;
        if(Tx_Yeundong_Delay == 0)
        {
            Hood_Yeundong_flag = 1;
            Command_request_type |= TYPE_HOOD_STATE;// add 2022.1.25
        }
    }

	Pre_Hood_Status = Hood_Status;

    return(1);
}