void Init_EtherNet(void)
{
enc28j60Init(mymac) ;
delay_ms(20) ;
enc28j60PhyWrite(PHLCON,0x476) ; // 配置指示灯
delay_ms(20) ;
init_ip_arp_udp(mymac,myip) ;
}
int main(void){
uint16_t plen;
uint8_t i=0;
uint8_t cmd_pos=0;
uint8_t payloadlen=0;
char str[30];
char cmdval;
// set the clock speed to 8MHz
// set the clock prescaler. First write CLKPCE to enable setting of clock the
// next four instructions.
CLKPR=(1<<CLKPCE);
CLKPR=0; // 8 MHZ
delay_ms(10);
/* enable PB0, reset as output */
DDRB|= (1<<DDB0);
/* enable PD2/INT0, as input */
DDRD&= ~(1<<DDD2);
/* set output to gnd, reset the ethernet chip */
PORTB &= ~(1<<PB0);
delay_ms(10);
/* set output to Vcc, reset inactive */
PORTB|= (1<<PB0);
delay_ms(200);
/*initialize enc28j60*/
enc28j60Init(mymac);
delay_ms(20);
// LED
/* enable PB1, LED as output */
DDRB|= (1<<DDB1);
/* set output to Vcc, LED off */
PORTB|= (1<<PB1);
// the transistor on PD7
DDRD|= (1<<DDD7);
PORTD &= ~(1<<PD7);// transistor off
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
delay_ms(20);
/* set output to GND, red LED on */
PORTB &= ~(1<<PB1);
i=1;
//init the ethernet/ip layer:
init_ip_arp_udp(mymac,myip);
while(1){
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
/*plen will ne unequal to zero if there is a valid
* packet (without crc error) */
if(plen==0){
continue;
}
// led----------
if (i){
/* set output to Vcc, LED off */
PORTB|= (1<<PB1);
i=0;
}else{
/* set output to GND, LED on */
PORTB &= ~(1<<PB1);
i=1;
}
// arp is broadcast if unknown but a host may also
// verify the mac address by sending it to
// a unicast address.
if(eth_type_is_arp_and_my_ip(buf,plen)){
make_arp_answer_from_request(buf,plen);
continue;
}
// check if ip packets (icmp or udp) are for us:
if(eth_type_is_ip_and_my_ip(buf,plen)==0){
continue;
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){
// a ping packet, let's send pong
make_echo_reply_from_request(buf,plen);
continue;
}
// we listen on port 1200=0x4B0
if (buf[IP_PROTO_P]==IP_PROTO_UDP_V&&buf[UDP_DST_PORT_H_P]==4&&buf[UDP_DST_PORT_L_P]==0xb0){
payloadlen=buf[UDP_LEN_L_P]-UDP_HEADER_LEN;
// you must sent a string starting with v
// e.g udpcom version 10.0.0.24
if (verify_password((char *)&(buf[UDP_DATA_P]))){
// find the first comma which indicates
// the start of a command:
cmd_pos=0;
while(cmd_pos<payloadlen){
cmd_pos++;
if (buf[UDP_DATA_P+cmd_pos]==','){
cmd_pos++; // put on start of cmd
break;
}
}
// a command is one char and a value. At
// least 3 characters long. It has an '=' on
// position 2:
if (cmd_pos<2 || cmd_pos>payloadlen-3 || buf[UDP_DATA_P+cmd_pos+1]!='='){
strcpy(str,"e=no_cmd");
goto ANSWER;
}
// supported commands are
// t=1 t=0 t=?
if (buf[UDP_DATA_P+cmd_pos]=='t'){
cmdval=buf[UDP_DATA_P+cmd_pos+2];
if(cmdval=='1'){
PORTD|= (1<<PD7);// transistor on
strcpy(str,"t=1");
goto ANSWER;
}else if(cmdval=='0'){
PORTD &= ~(1<<PD7);// transistor off
strcpy(str,"t=0");
goto ANSWER;
}else if(cmdval=='?'){
if (PORTD & (1<<PD7)){
strcpy(str,"t=1");
goto ANSWER;
}
strcpy(str,"t=0");
goto ANSWER;
}
}
strcpy(str,"e=no_such_cmd");
goto ANSWER;
}
strcpy(str,"e=invalid_pw");
ANSWER:
make_udp_reply_from_request(buf,str,strlen(str),myport);
}
}
return (0);
}
void Initialize()
{
lineNum = 0;
pixNum = 0;
///Set PORTA as an input
DDRA = 0x00;
///Set External interrupt pins as inputs
DDRD = DDRD | (1 << PIND2);
DDRC = DDRC | (1 << PINC2) | (1 << PINC3);
///Set Stepper output ports C[4:7], D[4:7]
DDRD = DDRD | (0xf << PORTD4);
DDRC = DDRC | (0xf << PORTC4);
///Set up i2c communcation
i2c_init();
//Setup ethernet communication
/* enable PB0, reset as output */
ETHERNET_RESET_PORT_DD |= (1<<ETHERNET_RESET_PIN);
/* set output to gnd, reset the ethernet chip */
ETHERNET_RESET_PORT &= ~(1<<ETHERNET_RESET_PIN);
_delay_ms(10);
/* set output to Vcc, reset inactive */
ETHERNET_RESET_PORT |= (1<<ETHERNET_RESET_PIN);
_delay_ms(300);
/*initialize enc28j60*/
enc28j60Init(mymac);
_delay_ms(20);
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
_delay_ms(20);
//init the ethernet/ip layer:
init_ip_arp_udp(mymac,myip,mypcip,mypcmac, sendBuffer);
_delay_ms(100);
//send out a test packet
char str[10] = "hello ryan";
send_udp_packet(sendBuffer, str, 10);
//Enable Internal pull up resistors
DDRC = DDRC & ~(1<< PORTC0);
DDRC = DDRC & ~(1<< PORTC1);
PORTC = PORTC | (1<< PORTC0);
PORTC = PORTC | (1<< PORTC1);
cameraOn = 0;
}
int main(void){
uint16_t plen;
uint8_t i=0;
uint8_t payloadlen=0;
// set the clock speed to 8MHz
// set the clock prescaler. First write CLKPCE to enable setting of clock the
// next four instructions.
CLKPR=(1<<CLKPCE);
CLKPR=0; // 8 MHZ
/* enable PB0, reset as output */
DDRB|= (1<<DDB0);
/* set output to gnd, reset the ethernet chip */
PORTB &= ~(1<<PB0);
delay_ms(20);
/* set output to Vcc, reset inactive */
PORTB|= (1<<PB0);
delay_ms(100);
// LED
/* enable PB1, LED as output */
DDRB|= (1<<DDB1);
/* set output to Vcc, LED off */
PORTB|= (1<<PB1);
/*initialize enc28j60*/
enc28j60Init(mymac);
delay_ms(20);
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDB=yellow LEDA=green
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
delay_ms(20);
/* set output to GND, red LED on */
PORTB &= ~(1<<PB1);
i=1;
//init the ethernet/ip layer:
init_ip_arp_udp(mymac,myip);
while(1){
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
/*plen will ne unequal to zero if there is a valid
* packet (without crc error) */
if(plen==0){
continue;
}
// arp is broadcast if unknown but a host may also
// verify the mac address by sending it to
// a unicast address.
if(eth_type_is_arp_and_my_ip(buf,plen)){
make_arp_answer_from_request(buf,plen);
continue;
}
// check if ip packets (icmp or udp) are for us:
if(eth_type_is_ip_and_my_ip(buf,plen)==0){
continue;
}
if (i){
/* set output to Vcc, LED off */
PORTB|= (1<<PB1);
i=0;
}else{
/* set output to GND, LED on */
PORTB &= ~(1<<PB1);
i=1;
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){
// a ping packet, let's send pong
make_echo_reply_from_request(buf,plen);
continue;
}
if (buf[IP_PROTO_P]==IP_PROTO_UDP_V){
payloadlen=buf[UDP_LEN_L_P]-UDP_HEADER_LEN;
if (buf[UDP_DATA_P]=='t' && payloadlen==5){
make_udp_reply_from_request(buf,"hello",6,myport);
}
}
}
return (0);
}
