/*
 ******************************************************************************
 *
 * @file     uart.c
 * @brief    uart module
 * @ic		 	 sy8835                 
 *
 * @version  1.0
 * @date     2024/11/01   15:00:40
 * @author   Alex Xu
 *
 * Copyright (c) 2013-2099,Tkplusemi Technology Co.,Ltd.
 * All Rights Reserved
 *
 * History:
 * Revision          Date           Author            Desc
 * 1.0.0            2024/11/01      Alex          build this file
 ******************************************************************************/
 /*_____ I N C L U D E S ____________________________________________________*/
#include "uart.h"
#include "system.h"
#include "vox_module.h"
#include "sleep.h"
#include "led.h"

 /******************************************************************************\
						   Macro definitions
 \******************************************************************************/
#define NONE_PARITY     0       //无校验
#define ODD_PARITY      1       //奇校验
#define EVEN_PARITY     2       //偶校验
#define MARK_PARITY     3       //标记校验
#define SPACE_PARITY    4       //空白校验

#define PARITYBIT EVEN_PARITY   //定义校验位

 /******************************************************************************\
							  Variables definitions
 \******************************************************************************/
 
bit busy0;

#ifdef VOX_RX
#if UART0_ENABLE
idata uint8_t RX0_Buffer[COM0_Data_Lenth] = 0;	//接收缓冲
bit Uart0_RX_Finish_Flag = 0;	
#endif

#if UART1_ENABLE
idata uint8_t RX1_Buffer[COM0_Data_Lenth] = 0;	//接收缓冲
bit Uart1_RX_Finish_Flag = 0;	
#endif

#endif


#if UART0_ENABLE

/*
 *******************************************************************************
 *             void UART0_Init(void)
 *
 * Description : UART0 Initialization  UART0用于debug、打印、透传功能
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
 
void UART0_Init(void)
{   
#if 1

	/* vor、vol都使用uart0进行分时通讯。 */
	SFRADDR = P0_OE;		//Set P02 And P03 As Output.
	SFRDATA |= 0x0C;	

//	SFRADDR = P0_IE;		//Set P02 And P03 As Input.
//	SFRDATA |= 0x0C;		

//	SFRADDR = P0_PU;		//Set P02 And P03 30K Pullup.
//	SFRDATA |= 0x0C;

//	SFRADDR = MFP_CTL0; 					  //VOR、VOL都使用UART0进行分时通讯。
//	SFRDATA &=~ 0x0F;
//	SFRDATA |= 0x09;

#else

	/* vor、vol使用不同uart进行通讯 */
	SFRADDR = P0_OE;		//Set P02 As Output.
	SFRDATA |= 0x04;	

	SFRADDR = P0_IE;		//Set P02 As Input.
	SFRDATA |= 0x04;		

	SFRADDR = MFP_CTL0; 					  //VOR使用UART0进行通讯。
	SFRDATA &=~ 0x03;
	SFRDATA |= 0x01;

#endif

    BD = 1;              //Select additional Baudrate generator
    PCON |= 0x80;        //Baudrate double enable
    
    //baudrate set
    S0RELH = HIBYTE(S0REL_VALUE);
    S0RELL = LOBYTE(S0REL_VALUE);//s0rel=1023, baudrate = fclk/32 = 187.5k

    S0CON = 0x52;        //SCON: MODE 1, 8-bit UART, RI enable

	TI0 = 1;
	RI0 = 1;
	
	ES0 = 1;            //Enable UART0 IRQ          
}

/*
 *******************************************************************************
 *             void Uart0SendPacket(uint8_t Length,uint8_t *TransBuf)
 *
 * Description : UART0 Send Packet 
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
#ifdef VOX_TX

void Uart0SendPacket(uint16_t Length,uint8_t *TransBuf)
{
	uint8_t i = 0;
		
	SFRADDR = P0_OE;						//Set P02 And P03 As Output.
	SFRDATA |= 0x0C;	
	
	SFRADDR = P0_IE;		//Set P02 And P03 As Input.
	SFRDATA &= ~0x0C;	
	
	for(i=0; i<Length; i++)
	{
		while(busy0);
		
		busy0 = 1;
		
		S0BUF = *TransBuf++;
	}
		
	SFRADDR = P0_OE;		//Set P02 And P03 Disable Output.
	SFRDATA &= ~0x0C;	
}

#endif
uint8_t Rx0Status = 0;	

uint8_t RX0_Cnt = 0;

/*uart0中断处理函数*/
void uart0_Interrupt(void) interrupt Interrupt_Vector_RI_TI
{
	/*处理UART0发送中断*/
	if(TI0)
	{
		TI0 = 0;
		busy0 = 0;
	}
	
	/*处理UART0接收中断*/
	if(RI0)
	{	
		RI0 = 0;
		
#if SLEEP_ENABLE		
		Enter_Sleep_Cnt_Restart_Flag = 1;
#endif

#ifdef VOX_RX	

		switch(Rx0Status)
		{
			case 0:
				if( S0BUF == EARPHONE_HEADER_HIGH )  
				{		
					Rx0Status = 1;	
					
					RX0_Cnt = 0;	
					
					RX0_Buffer[RX0_Cnt++] = S0BUF;
				}
				else
				{
					Rx0Status = 0;	

					RX0_Cnt = 0;	
				}				
			break;

			case 1:
				if( S0BUF == EARPHONE_HEADER_LOW )  
				{		
					Rx0Status = 2;	
					
					RX0_Buffer[RX0_Cnt++] = S0BUF;
				}
				else
				{
					Rx0Status = 0;	

		           	RX0_Cnt = 0; 	
				}			
			break;	
							
			case 2:
				{
					RX0_Buffer[RX0_Cnt++] = S0BUF; 
					
					if( ( RX0_Cnt >= ( RX0_Buffer[2] + 4 ) ) || ( RX0_Cnt > COM0_Data_Lenth ) )
					{
						RX0_Cnt = 0;
						
						Rx0Status = 0;	
						
						Uart0_RX_Finish_Flag = 1;	
					}
				}
			break;
			
			default:
			break;
		}
#endif
	}
}

#endif

#if UART1_ENABLE

bit busy1 = 0;

/*
 *******************************************************************************
 *             void UART1_Init(void)
 *
 * Description : UART1 Initialization  UART1用于VOX通讯功能
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
void UART1_Init(void)
{
	SFRADDR = P0_OE;		//Set P03 As Output.
	SFRDATA |= 0x08;	

	SFRADDR = P0_IE;		//Set P03 As Input.
	SFRDATA |= 0x08;		

	SFRADDR = MFP_CTL0; 					  //VOL使用UART1进行通讯。
	SFRDATA &=~ 0x0C;
	SFRDATA |= 0x04;

    //baudrate set
    S1RELH = HIBYTE(S1REL_VALUE);
    S1RELL = LOBYTE(S1REL_VALUE);//s1rel=1023, baudrate = fclk/32 = 187.5k

    S1CON = 0x92;        //S1CON: 8-bit UART1,REN1 、 RI1 、TI1 enable
    
	IEN2 |= 1;            //Enable UART1 IRQ          
}

/*
 *******************************************************************************
 *             void Uart1SendPacket(uint16_t Length,uint8_t *TransBuf)
 *
 * Description : UART1 Send Packet 
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
void Uart1SendPacket(uint16_t Length,uint8_t *TransBuf)
{
	uint8_t i = 0;
	
	S1CON &=~ UART_REC_ENABLE;				//Disable UART0's RX 
	
	for(i=0;i<Length;i++)
	{
		while(busy1);
		//ACC = *TransBuf++;
		busy1 = 1;
		S1BUF = *TransBuf++;
	}

	S1CON |= UART_REC_ENABLE;				//Enabel UART0's RX 
}


/*
 *******************************************************************************
 *             void Uart1SendString(char *s)
 *
 * Description : UART1 Send String 
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */

void Uart1SendString(char *s)
{
	while(*s)				//检测字符串结束标志
	{
		Uart1SendData(*s++);		//发送当前字符
	}
}

/*uart1中断处理函数*/
void uart1_Interrupt(void) interrupt Interrupt_Vector_RI1_TI1
{
	static uint8_t Rx1Status;	

	static uint16_t RX1_Cnt;
	static uint16_t RX1DataLen;

	/*处理UART1发送中断*/
	if(S1CON & 0x02)		//TI1 = 1
	{
		S1CON &= ~0x02;		//TI1 = 0
		busy1 = 0;
	}

	/*处理UART1接收中断*/
	if(S1CON & 0x01)		//RI1 = 1
	{	
		S1CON &= ~0x01;	
		
#if SLEEP_ENABLE		
		Enter_Sleep_Cnt_Restart_Flag = 1;
#endif		
#ifdef VOX_RX		

		switch(Rx1Status)
		{
			case 0:
				
				if(S1BUF == 0xAA)  
				{		
					Rx1Status = 1;	
					
					RX1_Cnt = 0;	
					
					RX1_Buffer[RX1_Cnt] = S1BUF;
					
					RX1_Cnt++;										
				}
				else
				{
					Rx1Status = 0;	

					RX1_Cnt = 0;	
				}				
			break;
				
			case 1:
				
				RX1_Buffer[RX1_Cnt] = S1BUF; 
							
				RX1_Cnt++;
				
			break;
		}

#endif
		
	}
}
#endif

#if UART2_ENABLE

bit busy2 = 0;

#ifdef _DEBUG_ALL

char putchar(char c)  
{
#if 0

  while(!TI0);
  TI0 = 0;
  return (S0BUF = c);
  
#else  

  Uart2SendData(c);

  return(c);
  
#endif

}

#endif

/*
 *******************************************************************************
 *             void UART2_Init(void)
 *
 * Description : UART2 Initialization  UART1用于VOX通讯功能
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
void UART2_Init(void)
{
	S2IOCFG = 0x0A;
	
    //baudrate set
    S2RELH = HIBYTE(S2REL_VALUE);
    S2RELL = LOBYTE(S2REL_VALUE);//s1rel=1023, baudrate = fclk/32 = 187.5k
    
  	S2CON = 0x92;        //S1CON: 8-bit UART1,REN1 、 RI1 、TI1 enable
  
	IEN2 = 0x02;            //Enable UART2 IRQ          

}
/*
 *******************************************************************************
 *             void Uart2SendData(uint8_t Txdata)
 *
 * Description : UART2 Send Data 
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */

void Uart2SendData(uint8_t Txdata)
{
	while(busy2);

	busy2 = 1;
	
	S2BUF = Txdata;
	
}
#if 0
/*
 *******************************************************************************
 *             void Uart2SendPacket(uint16_t Length,uint8_t *TransBuf)
 *
 * Description : UART2 Send Packet 
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
void Uart2SendPacket(uint16_t Length,uint8_t *TransBuf)
{
	uint16_t i = 0;
	for(i=0;i<Length;i++)
	{
		Uart2SendData(*TransBuf++);		
	}
}

/*
 *******************************************************************************
 *             void Uart2SendString(char *s)
 *
 * Description : UART2 Send String 
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */

void Uart2SendString(char *s)
{
	while(*s)				//检测字符串结束标志
	{
		Uart2SendData(*s++);		//发送当前字符
	}
}
#endif
/*uart2中断处理函数*/

void uart2_Interrupt(void) interrupt Interrupt_Vector_IE8
{
	/*处理UART1发送中断*/
	if(S2CON & 0x02)		//TI2 = 1
	{
		S2CON &= ~0x02;		//TI2 = 0
		busy2 = 0;
	}

	/*处理UART1接收中断*/
	if(S2CON & 0x01)		//RI2 = 1
	{	
		S2CON &= ~0x01;	
	}
}

#endif