#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"



const unsigned char auchCRCHi[] = {
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
} ; 

// Table of CRC values for low-order byte
const unsigned char auchCRCLo[] = {
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06, 
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD, 
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09, 
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A, 
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4, 
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, 
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29, 
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED, 
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26, 
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60, 
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67, 
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71, 
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92, 
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C, 
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B, 
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B, 
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C, 
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42, 
0x43, 0x83, 0x41, 0x81, 0x80, 0x40
} ;

uint16_t  CRC16(uint8_t *puchMsg, uint16_t  usDataLen)
{
	uint8_t uchCRCHi = 0xFF ;		// high CRC byte initialized
	uint8_t uchCRCLo = 0xFF ;		// low CRC byte initialized
	uint8_t uIndex ;				// will index into CRC lookup table                   

	while (usDataLen--)			// pass through message buffer  
	{
		uIndex = uchCRCHi ^ *puchMsg++ ;	// calculate the CRC  
 
		uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex] ;
		uchCRCLo = auchCRCLo[uIndex] ;
		}
	return ((uint16_t)uchCRCHi << 8 | (uint16_t)uchCRCLo) ;
	
}

uint16_t Aeverage_calculator(uint16_t val, uint16_t * array_val)
{
    uint8_t i;
    uint16_t max = 0;
    uint16_t min = 10000;
    uint32_t sum = 0;
    uint16_t Rval = 0;

    for(i=9; i>0; i--)
    {
    	*(array_val+i) = *(array_val+i-1);
    }
	*array_val = val;

	for(i=0; i<10; i++)
	{
        if(array_val[i] >= max)
        {
            max = array_val[i];
        }
        if(array_val[i] <= min)
        {
            min = array_val[i];
        }
        sum += array_val[i];
    }
    Rval = (uint16_t)((sum - max - min)/8);

    return(Rval);
}

///////////////////////////////////////////////////////////////////////////////



uint8_t Rx_FND_buff[50] ={0,};
uint8_t Tx_FND_buff[50] ={0,};

uint8_t FND_Packet_Type = 0;
uint8_t FND_Packet_Length = 0;
uint8_t Rx_FND_Pos = 0;
volatile uint8_t Rx_FND_complete = 0;

void Rx_FND_Check(uint8_t data)
{
	uint16_t iTmp = 0, icrc = 0;
	
	if(Rx_FND_TimeOut == 0)Rx_FND_Pos = 0;
	switch(Rx_FND_Pos)
	{
		case 0:
			if(data != 0xAA)break;
			Rx_FND_buff[Rx_FND_Pos++] = data;
			break;
		case 1:
            if(data != 0x01){Rx_FND_Pos = 0; break;}
            Rx_FND_buff[Rx_FND_Pos++] = data;
            break;
		case 2:
            Rx_FND_buff[Rx_FND_Pos++] = data;
            if(data == 0x03){FND_Packet_Type = 0x02;Rx_FND_Pos = 0;}   //RoomCon
            else{FND_Packet_Type = 0x01;}  //Diffuser
            break;
		case 3:
            Rx_FND_buff[Rx_FND_Pos++] = data;
            FND_Packet_Length = 39;
            break;
        case 4:
            Rx_FND_buff[Rx_FND_Pos++] = data;
            if(FND_Packet_Type == 0x02)
            {
                if((data == 0x01)||(data == 0x02)||(data == 0x03)) //29byte
                {
                    FND_Packet_Length = 39;
                }
            }   //RoomCon
            break;
        case 5:
		case 6:
		case 7:
		case 8:
		case 9:
		case 10:
		case 11:
		case 12:
		case 13:
		case 14:
		case 15:
		case 16:
		case 17:
		case 18:
		case 19:
		case 20:
		case 21:
		case 22:
		case 23:
		case 24:
		case 25:
		case 26:
		case 27:
			Rx_FND_buff[Rx_FND_Pos++] = data;
            break;
		case 28:
			Rx_FND_buff[Rx_FND_Pos++] = data;
            if(FND_Packet_Length == 29)
            {
                iTmp = (uint16_t)Rx_FND_buff[27]<<8;
                icrc = iTmp + (uint16_t)Rx_FND_buff[28]	;
                if(icrc == CRC16(Rx_FND_buff, 27)) 
                {
                    Rx_FND_complete = 1;
                }
                Rx_FND_Pos = 0;	
            }
            break;
        case 29:
        case 30:
		case 31:
		case 32:
		case 33:
		case 34:
		case 35:
		case 36:
		case 37:
            Rx_FND_buff[Rx_FND_Pos++] = data;
            break;
		case 38:
			Rx_FND_buff[Rx_FND_Pos++] = data;
            if(FND_Packet_Length == 39)
            {
                iTmp = (uint16_t)Rx_FND_buff[37]<<8;
                icrc = iTmp + (uint16_t)Rx_FND_buff[38]	;
                if(icrc == CRC16(Rx_FND_buff, 37)) 
                {
                    Rx_FND_complete = 1;
                }
                Rx_FND_Pos = 0;	
            }
			break;
		default:
			Rx_FND_Pos = 0;
			break;
	}

}

void com_FND_process(void)
{
	if(Rx_FND_complete == 1)
	{
		Rx_FND_complete = 0;
		
		Rx_Sensor_Parsing();

	}
}

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);
}




void UART1_HANDLE() // modbus
{
	uint8_t u8InChar=0xFF;
	uint32_t u32IntSts= UART1->ISR;

	if(u32IntSts & UART_ISR_RDA_IS_Msk)
	{
		u8InChar = UART_READ(UART1);           /* Rx trigger level is 1 byte*/

		Rx_FND_Check(u8InChar);
		Rx_FND_TimeOut = 5;
	}

	if(u32IntSts & UART_ISR_THRE_IS_Msk)
	{
	;
	}
}


void UART1_IRQHandler(void) // modbus
{
    UART1_HANDLE();
}



///////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////



uint16_t SEN66_pm10p0 = 0;
uint16_t SEN66_pm4p0 = 0;
uint16_t SEN66_pm2p5 = 0;
uint16_t SEN66_pm1p0 = 0;
uint16_t SEN66_humidity_value = 0;
uint16_t SEN66_temperature_value = 0; 
uint16_t SEN66_VOC_value = 0;
uint16_t SEN66_NOx_value = 0;
uint16_t SEN66_CO2_value = 0;

extern  uint8_t Power_On;

void Rx_Sensor_Parsing(void)
{

	if(Rx_FND_buff[2] != 0x02)return;
	
    Power_On = Rx_FND_buff[5]&0x01;
    
	SEN66_pm10p0 =			  ((uint16_t)Rx_FND_buff[12]<<8 | (uint16_t)Rx_FND_buff[13]);
	SEN66_pm4p0 =			  ((uint16_t)Rx_FND_buff[14]<<8 | (uint16_t)Rx_FND_buff[15]);
	SEN66_pm2p5 =			  ((uint16_t)Rx_FND_buff[16]<<8 | (uint16_t)Rx_FND_buff[17]);
	SEN66_pm1p0 =			  ((uint16_t)Rx_FND_buff[18]<<8 | (uint16_t)Rx_FND_buff[19]);
	SEN66_humidity_value =	  ((uint16_t)Rx_FND_buff[20]<<8 | (uint16_t)Rx_FND_buff[21]);
	SEN66_temperature_value = ((uint16_t)Rx_FND_buff[22]<<8 | (uint16_t)Rx_FND_buff[23]);
	SEN66_VOC_value =		  ((uint16_t)Rx_FND_buff[24]<<8 | (uint16_t)Rx_FND_buff[25]);
	SEN66_NOx_value =		  ((uint16_t)Rx_FND_buff[26]<<8 | (uint16_t)Rx_FND_buff[27]);
	SEN66_CO2_value =		  ((uint16_t)Rx_FND_buff[28]<<8 | (uint16_t)Rx_FND_buff[29]);

}


void UART0_HANDLE() // co2
{
    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*/

    }

    if(u32IntSts & UART_ISR_THRE_IS_Msk)
    {
    	;
    }
}

void UART0_IRQHandler(void) // co2
{
    UART0_HANDLE();
}