yk_469_tx.c

CMX469发送数据,经调试完全可用,电路连接完全参考数据手册

	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();

	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
}

unsigned	char	I2C2_Data;

unsigned char I2C2_readdata(bit flag_nack)
{
	unsigned char	i,x1;

	x1 = 0;
	for(i = 0; i<8; i++)
	{
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		SCL2 = 1;

		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		x1 <<= 1;

		if(SDA2 != 0)
		{
			x1 |= 1;
		}
		SCL2 = 0;

		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
		_nop_();
	}

	SDA2 = flag_nack;
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();

	SCL2 = 1;
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();

	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();

	SCL2 = 0;
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();

	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	_nop_();
	return(x1);
}


void write_data_para(unsigned char add1,unsigned char add2,unsigned char buff_data_para)
{
	I2C2_init();
	
	I2C2_start();
		
	I2C2_senddata(0xa0);
	
	
	I2C2_senddata(add1);
	
	I2C2_senddata(add2);
	
	I2C2_senddata(buff_data_para);
	
	I2C2_stop();/**/
	/*P1 = 0x01;
	while(1);*/
}


void	delay(unsigned long v)
{
	while (v!=0)v--;
}



void cmx469_senddata()
{
	TX_EN = 0;

	while( flag_cmx469_send_finished == 0)
	{
	 	WDKEY = 0x22;
		WDRST = 0x1e;	
	}

	flag_cmx469_send_finished = 0;
	cmx469_TX_buff[send_byte - 2] = 0;
	cmx469_TX_buff[send_byte - 1] = 0;


}


xdata	unsigned char	uart0_TX_buff[160];
void	uart0_senddata(unsigned char end_type)
{
	unsigned char i=0, x1,x2,x3;

	
	i=0;
	do
	{
  		TI=0;				/*TI = 0;*/
		x2=uart0_TX_buff[i];
		SBUF = x2;
		do
		{
			x1 = TI;
		} while (x1 == 0) ;
		i++;
		switch (end_type)
		{
			case	0:
					x3 = 0xa;
					break;
			case	1:
					x3 = 26;		/*	Ctrl_Z */
					break;
			default:
					x3 = 0xd;
					break;
		}
	} while (x2 != x3) ;
}

/* =====================================   结束 : 子程序   ===================================== */

	unsigned char	Ctrl_Step = 0;

/* =====================================  开始 : 中断程序  ===================================== */

void	int0()				interrupt 0 using 1
{
	unsigned	char	x1,i;
	if(flag_receive_begin == 0)
	{
		x1 = 0x80 ;
	 	if(receive_bit < 8)
		{
			if(RX_D == 1)
		 		cmx469_receive_data_buff += (x1 >> receive_bit);
			else
				cmx469_receive_data_buff = 	 cmx469_receive_data_buff;
		}
		receive_bit++;
		if(receive_bit == 8)
		{
			if(cmx469_receive_data_buff == 0x2b)
			{
				cmx469_RX_data_buff[0] = cmx469_receive_data_buff;
				cmx469_receive_data_buff = 0;
				flag_receive_begin = 1;
				receive_bit = 0;
				receive_byte_index = 1;	
			}
			else
			{
			 	cmx469_receive_data_buff = (cmx469_receive_data_buff << 1);
				receive_bit = 7;	
			
			}
		}
	}
	else
	{
		x1 = 0x80 ;
	 	if(receive_bit < 8)
		{
			if(RX_D == 1)
		 		cmx469_receive_data_buff += (x1 >> receive_bit);
			else
				cmx469_receive_data_buff = 	 cmx469_receive_data_buff;
		}
		receive_bit++;
		if(receive_bit == 8)
		{
		 	cmx469_RX_data_buff[receive_byte_index] = cmx469_receive_data_buff;
			if((cmx469_RX_data_buff[receive_byte_index-1] == 0x1d) && (cmx469_RX_data_buff[receive_byte_index] == 0x1a))
			{
				flag_cmx469_receive_finished = 1;
				flag_receive_begin = 0;
				for(i = 0;i<=receive_byte_index;i++)
				cmx469_RX_data[i] = cmx469_RX_data_buff[i];	
			 }
			cmx469_receive_data_buff = 0;
			receive_bit = 0;
			receive_byte_index++;
		}
	 	
		
	}
	

}

unsigned	char	Timer10ms,BaseTimer=0,Para_Timer_h=40,Para_Timer_l=255;
unsigned char	Time_Count=0,receive_time_count = 0;	
void	timer0(void)		interrupt 1 using 1
{		
	TR0 = 0;
	
	TH0 = Mode1_T0_h;		/* 22.1184MHz 定时20ms	*/
	TL0 = Mode1_T0_l;

	
	if(Para_Timer_l == 0)
	{
		if(Para_Timer_h == 0)
		{
			Para_Timer_l = 255;
			Para_Timer_h = 20;
			flag_read_para = 1;
			
		}
		else
		{
			Para_Timer_l = 255;
			Para_Timer_h -= 1;
			receive_time_count++;
			
		}
	}
	else
	{
		Para_Timer_l -= 1;
	}	
	
//	if (flag_RXCMD == 1)
//	{
//	}
//	else
//	{
		if(Ctrl_Step == 0)
		{
			BaseTimer = 0;
			
		}
		else
		{
			if(Ctrl_Step == 1)
			{
				if(Timer10ms != 0)
				{
					Timer10ms--;
				}
				else
				{
					Timer10ms = 2;
					BaseTimer += 1;
					
				}
			}
			else
			{
				if(Ctrl_Step == 3)
				{
					if(Timer10ms != 0)
					{
						Timer10ms--;
					}
					else
					{
						Timer10ms = 2;
						BaseTimer += 1;
						
					}
				}
			}
		}
//	}
//PTT = !PTT;


	TR0 = 1;
}


void	int1()				interrupt 2 using 2
{
	unsigned	char	x1,x2 ;

	if(send_byte_index < send_byte)
	{
		x1 = cmx469_TX_buff[send_byte_index]  ;
		x2 =  ( (x1 << send_bit) & 0x80 );
		if(send_bit < 8)
		{
		if(x2 == 0x80 )	TX_D = 1;
		else	TX_D = 0;
		}
		send_bit++;
		if(send_bit == 8)
		{
			send_bit = 0;
			send_byte_index++;
		}
	}
	else
	{
		TX_EN = 1;
		send_byte_index	= 0;
		flag_cmx469_send_finished =	1;
	}	/*	*/

}


void	int_timer1()		interrupt 3 using 2
{
	TR1 = 0;
	TF0 = 0;
	TH1 = Mode1_T1_h;		/* 22.1184MHz 定时20ms	*/
	TL1 = Mode1_T1_l;
	timer1_count++;
	if(timer1_count > delay_time1)
		{
			flag_timer1_time_out= 1;
			timer1_count = 0;
			
		}
	else	TR1 = 1;

}

unsigned	char	uart0_RX_index = 0,channel_num,delay_time,CS_IN,uart0_buff_length,flag_uart0_RX_ready;
xdata 	unsigned	char	uart0_RX_data[320],uart0_RX_data_buff[320];
bit 	receive_all =0,new_data =0,receive_flag = 0; 

void	int_Uart0()			interrupt 4 using 2
{

	unsigned	char	i;

	if ( RI != 0 )
	{
		RI = 0;

		if(SBUF == '$')
		{
			uart0_RX_index = 0;
//			flag_uart0_RX_ready = 0;
		}

		if(uart0_RX_index < uart0_buff_length)
		{
			uart0_RX_data_buff[uart0_RX_index] = SBUF;
			uart0_RX_index++;
			if(uart0_RX_data_buff[uart0_RX_index-1] == 0xa)
			{
				for(i=0; i<uart0_RX_index; i++) uart0_RX_data[i]=uart0_RX_data_buff[i];
				//CS_IN = 1;
				//if(CS_IN == 1)	
				flag_uart0_RX_ready = 1;
			}
		}
		else
		{
			uart0_RX_data[uart0_buff_length-1] = SBUF;
		}
	}
}

void	int_timer2()		interrupt 5 using 2
{
}

void	int_USB()			interrupt 6 using 2
{
}

void i2c_isr (void)			interrupt 8 using 2
{	
}

void uPSD_uart1_isr (void)	interrupt 9 using 2		
{
}


/* =====================================  结束 : 中断程序  ===================================== */


unsigned	char	Timer_H=0,Timer_L=0,Timer_Lp;
#define		WIRE_TIME1	16
#define		WIRE_TIME2	3
#define		WIRE_TIME3	0
#define		NOWIRE_TIME1	11
#define		NOWIRE_TIME2	24
#define		NOWIRE_TIME3	25
unsigned	char	code	bit_base[8] = {1,2,4,8,0x10,0x20,0x40,0x80};

main()
{
	unsigned char	x0,x1,x2,i,j,k,k1,m,m1,checksum1,checksum2,checksum3,receive_buff;
	bit	flag_check;
	bit		flag_new=0;

	TMOD = 0x11;
	WDKEY = 0x22;

	P1SFS = 0x00;
	P3SFS = 0x00;
	P4SFS = 0x00;

	PCON = 0x0c;
	T2CON = 0x30;
	T2MOD = 0x00;

	SCON = 0x50;
	
	RCAP2H = 0xFF;
	RCAP2L = 0x70;

	TH2 = 0xFF; 	// 22.1184M晶体，波特率=4800
	TL2 = 0x70;

	TR2 = 1;

	EX0 = 1;
	EX1 = 1;
	IT0 = 1;
	IT1 = 1;
	ET0 = 1;
	ET1 = 1;

	ES = 1;
	EA = 1;	


	site_h = 0;
	site_l = 0;
	
	while(1)
	{
		WDKEY = 0x22;
		WDRST = 0x1e;

		switch(Ctrl_step_469)
		{
			case	0:
			
					cmx469_TX_buff[0] = 0x55;
					cmx469_TX_buff[1] = 0x2b;
					for(i = 2;i<3;i++)
					cmx469_TX_buff[i] = 0x55;
					cmx469_TX_buff[i] = 0x1d;
					cmx469_TX_buff[i+1] = 0x1a;
					send_byte = i+2	 ; 
					
					cmx469_senddata();
						
					P4_2 = !P4_2;	

					timer1_count = 0;
					delay_time1 = 5;
					TH1 = Mode1_T1_h;		/* 22.1184MHz 定时20ms	*/
					TL1 = Mode1_T1_l;
					TR1 = 1;		 /* */
					
					Ctrl_step_469 = 1;
											
					break;

			case	1:
					if(flag_timer1_time_out == 1)
					{
						
					 	flag_timer1_time_out = 0;
						Ctrl_step_469 = 0;
					}
					break;

					
		
		}



	}






}