main.c

AVR M16 Xmodem传输及发送彩信的实现

//ICC-AVR application builder : 2008-7-29 下午 04:04:26
// Target : M16
// Crystal: 3.6864Mhz

#include <iom16v.h>
#include <macros.h>
#include "pic_crc_data.h"
#include "xmodem.h"


#define		true	1
#define		false	0
#define		uchar	unsigned char
#define		uint	unsigned int
#define		ulong	unsigned long

uchar  receive_data[STRING_LENGTH];
int receive_sp=0;

void Delay(unsigned int Delay_MS);
void send_a_byte( unsigned char data ) ;                 
void mms_atsent(void);
void Xmodem(void);


void port_init(void)
{
 PORTA = 0x00;
 DDRA  = 0x00;
 PORTB = 0x00;
 DDRB  = 0x00;
 PORTC = 0x00; //m103 output only
 DDRC  = 0x00;
 PORTD = 0x00;
 DDRD  = 0x00;
}

//UART0 initialize
// desired baud rate: 9600
// actual: baud rate:9600 (0.0%)
void uart0_init(void)
{
 UCSRB = 0x00; //disable while setting baud rate
 UCSRA = 0x00;
 UCSRC = BIT(URSEL) | 0x06;
 UBRRL = 0x01; //set baud rate lo
 UBRRH = 0x00; //set baud rate hi
 UCSRB = 0x98;
}

//call this routine to initialize all peripherals
void init_devices(void)
{
 //stop errant interrupts until set up
 CLI(); //disable all interrupts
 port_init();
 uart0_init();

 MCUCR = 0x00;
 GICR  = 0x00;
 TIMSK = 0x00; //timer interrupt sources
 SEI(); //re-enable interrupts
 //all peripherals are now initialized
}

extern uchar temp_char0=0;
#pragma interrupt_handler uart0_rx_isr:iv_USART0_RXC
void uart0_rx_isr(void)
{
 //uart has received a character in UDR
 		//uchar temp_char0;
		unsigned char temp;
     	temp=UDR;
 		temp_char0 = temp;
        if(temp_char0 == 'C')
        {                                         //检测是否收到 C
            receive_C = 1;
			
        }
        if(temp_char0 == '>')
        {                                         //检测是否收到 >
            receive_DAYUHAO = 1;
        }
        if(temp_char0 == 'K')
        {                                         //检测是否收到 >
            receive_OK = 1;
        }
        if(temp_char0 == '1')
        {                                         //检测是否收到 >
            receive_MMSTRACE = 1;
        }
        if(temp_char0 == 'U')
        {                                         //检测是否收到 >
            receive_DOWNFINE = 1;
        }		
	
		/*if (/*(temp_char0 == CHARGE_LINE)|| (temp_char0 == ENTER))
		{
			do_serial_data(receive_sp);        //收到回车，接收指针归零  ，并处理接收数据
			receive_sp = 0;
		}
		else
		{            
        	receive_data[receive_sp++] =temp;
        }
         if (receive_sp > 40)                                      //接收超长，接收指针规零
          receive_sp = 0;*/
		 
}





/*********************************************************************

*********************************************************************/

void main(void)
{
int i;
 	
init_devices();
	
for(i = 0; i< STRING_LENGTH ; i++)                  //清接收缓存//40
{
    receive_data[i] = 0;
}
receive_sp = 0;

receive_OK = 0;
send_a_byte(ENTER);		                         //发送回车，测试模块
Delay(500);

receive_OK = 0;
send_m_byte("at\r\n",4);				//发送AT，测试模块
send_a_byte(ENTER);

while(receive_OK== 0);

			Xmodem();			
			Delay(10);
			mms_atsent();
				
}


void send_a_byte( unsigned char data )
{
/* 等待发送缓冲器为空 */
while ( !( UCSRA & (1<<UDRE)) )
;
/* 将数据放入缓冲器，发送数据 */
UDR = data;
}


void send_m_byte(uchar *string, uint length)
{
	uint i;                                                    //发送多字节
	for(i = 0; i< length; i++)
	{
		send_a_byte(string[i]);
	}
}

/*
*************************************
*延时子程序，延时约10×i机器周期     *
*************************************/

void intDelay(uint i)
{
	while(i--);
}


//1MS的延时
void Delay(unsigned int Delay_MS)
{
        unsigned char i;
	while(Delay_MS--)
	{
	   for(i=0;i<111;i++);
	}
}

void sendcmd(unsigned char *by_Array)
{
	while(*by_Array)
	{
	 while (!( UCSRA & (1<<UDRE)));
	  UDR=*by_Array;
	  by_Array++;
	}	
}
void mms_atsent(void)
{
receive_OK=0;
sendcmd("AT$MMSW=0\r\n") ;
while(receive_OK==0) ;
Delay(10);

receive_DAYUHAO=0;
sendcmd("AT$MMSW=1,1\r\n") ;
while(receive_DAYUHAO==0) ;
receive_OK=0;
sendcmd(dial_number);
send_a_byte(ctrl_z);
while(receive_OK==0) ;
Delay(10);

receive_DAYUHAO=0;
sendcmd("AT$MMSW=4,1\r\n");
while(receive_DAYUHAO==0) ;
receive_OK=0;
sendcmd(subject);
send_a_byte(ctrl_z);
while(receive_OK==0) ;
Delay(10);

receive_DAYUHAO=0;
sendcmd("AT$MMSW=5,1,1\r\n");
while(receive_DAYUHAO==0) ;
receive_OK=0;
sendcmd("mypicture");
send_a_byte(ctrl_z);
while(receive_OK==0) ;
Delay(10);

receive_OK=0;
sendcmd("AT$MMSW=6,1,\"test.jpg\"\r\n");
while(receive_OK==0) ;
Delay(10);

receive_OK=0;
sendcmd("AT$MMSSEND\r\n");
while(receive_OK==0) ;
Delay(10);

receive_MMSTRACE=0;
while(receive_MMSTRACE==0) ;

receive_OK=0;
sendcmd(deletmms);
while(receive_OK==0) ;

}