//网卡初始化函数
static void low_level_init( struct netif *netif )
{
/* set MAC hardware address length */
netif->hwaddr_len = 6;
/* set MAC hardware address */
/* MAC地址 */
netif->hwaddr[0] = macaddress[0];
netif->hwaddr[1] = macaddress[1];
netif->hwaddr[2] = macaddress[2];
netif->hwaddr[3] = macaddress[3];
netif->hwaddr[4] = macaddress[4];
netif->hwaddr[5] = macaddress[5];
/* maximum transfer unit */
/* 最大传输单元 */
netif->mtu = netifMTU;
/* broadcast capability */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Initialise the EMAC. This routine contains code that polls status bits.
If the Ethernet cable is not plugged in then this can take a considerable
time. To prevent this starving lower priority tasks of processing time we
lower our priority prior to the call, then raise it back again once the
initialisation is complete. */
enc28j60Init(netif->hwaddr); //初始化enc28j60
//enc28j60PhyWrite(PHLCON, 0x476); //设置PHY
enc28j60clkout(1); // change clkout from 6.25MHz to 12.5MHz
}
/*---------------------------------------------------------------------------*/
int main(void)
{
uint16_t plen;
init_serial();
init_mac(mymac);
init_udp_or_www_server(mymac,myip);
enc28j60Init(mymac);
enc28j60PhyWrite(PHLCON,0x476);
enc28j60EnableBroadcast();
xprintf(PSTR("Hello World!\r\n"));
/* main loop */
while(1)
{
/* poll hardware ethernet buffer */
plen = enc28j60PacketReceive(BUFFER_SIZE,buf);
/* any new message? */
if(plen > 0)
{
checkBootloaderCondition(buf);
}
}
return 0;
}
/*----------------------------------------------------------*\
| MIAN ENTRY |
\*----------------------------------------------------------*/
int main (void)
{
int rev = 0;
stm32_Init (); // STM32 setup
// GPIOD->ODR &= ~(1<<9);//GPIOA->BRR = ENC28J60_CS;
// GPIOD->ODR |= 1<<9;//GPIOA->BSRR = ENC28J60_CS;
printf ("SPI1_Init starting...\r\n");
SPI1_Init();
printf ("enc28j60 init...\r\n");
//enc28j60Init((unsigned char *)enc28j60_MAC);
simple_server();
enc28j60Init((unsigned char *)enc28j60_MAC);
rev = enc28j60getrev();
return rev;
/*
for(;;) {
unsigned char c;
printf ("Press a key. ");
c = getchar ();
printf ("\r\n");
printf ("You pressed '%c'.\r\n\r\n", c);
}
*/
}
void EthernetInit()
{
_delay_loop_1(50); // 12ms
/* enable PD4, as input */
DDRD&= ~(1<<DDRD4);
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(50); // 12ms
/* 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_loop_1(50); // 12ms
/* set output to GND, red LED on */
//PORTB &= ~(1<<PORTB1);
//i=1;
//
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,80);
}
int simple_client(eAdrGD* fADRGD,uint8_t* fSostEth,uint8_t* nBlock, uint8_t* fIPAddr,uint8_t* fMACAddr,uint8_t* fPORTNUMBER)
{
SPI1_Init();
pADRGD=fADRGD;
EthSost=fSostEth;
EthBlock=nBlock;
PORTNUMBER=fPORTNUMBER;
MACAddr=fMACAddr;
IPAddr=fIPAddr;
enc28j60Init(MACAddr);
enc28j60PhyWrite(PHLCON,0x476);
init_ip_arp_udp_tcp(MACAddr,fIPAddr,*PORTNUMBER);
//dat_p=packetloop_arp_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
buf[UDP_DATA_P]='H';
buf[UDP_DATA_P+1]='E';
buf[UDP_DATA_P+2]='L';
buf[UDP_DATA_P+3]='L';
buf[UDP_DATA_P+4]='O';
buf[UDP_DATA_P+5]=' ';
buf[UDP_DATA_P+6]='W';
buf[UDP_DATA_P+7]='O';
buf[UDP_DATA_P+8]='R';
buf[UDP_DATA_P+9]='L';
buf[UDP_DATA_P+10]='D';
//Sockets[0].IP_PHASE=0;
//make_tcp_ack_from_any(fbuf); // send ack for http get
//make_tcp_ack_with_data(fbuf,plen,0); // send data
send_udp_prepare(buf,5001,dis_ip,5001,dis_mac);
send_udp_transmit(buf,11);
}
/**
* In this function, the hardware should be initialized.
* Called from enc28j60_if_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void low_level_init(struct netif *netif)
{
struct ethernetif *ethernetif = netif->state;
/* set MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
netif->hwaddr[0] = mac_addr[0];
netif->hwaddr[1] = mac_addr[1];
netif->hwaddr[2] = mac_addr[2];
netif->hwaddr[3] = mac_addr[3];
netif->hwaddr[4] = mac_addr[4];
netif->hwaddr[5] = mac_addr[5];
/* maximum transfer unit */
netif->mtu = ETH_MAX_FRAMELEN;
/* device capabilities */
/* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;
/* Do whatever else is needed to initialize interface. */
enc28j60Init(netif->hwaddr,1);
}
static void _eth_spi_configure() {
DBG(D_ETH, D_DEBUG, "ethspi spigen init\n");
SPI_DEV_GEN_init(
&_enc28j60_spi_dev,
SPIDEV_CONFIG_CPHA_1E |
SPIDEV_CONFIG_CPOL_LO |
SPIDEV_CONFIG_FBIT_MSB |
SPIDEV_CONFIG_SPEED_9M,
_SPI_BUS(1),
SPI_ETH_GPIO_PORT, SPI_ETH_GPIO_PIN);
DBG(D_ETH, D_DEBUG, "ethspi spigen open\n");
SPI_DEV_GEN_open(&_enc28j60_spi_dev);
DBG(D_ETH, D_DEBUG, "ethspi enc28j60 init\n");
enc28j60Init(mac_address, EIE_PKTIE | EIE_TXIE | EIE_RXERIE | EIE_TXERIE);
DBG(D_ETH, D_DEBUG, "ethspi enc28j60 init done, chip rev %02x\n", enc28j60getrev());
DBG(D_ETH, D_DEBUG, "ethspi mac readback: %02x:%02x:%02x:%02x:%02x:%02x\n",
enc28j60Read(MAADR5), enc28j60Read(MAADR4), enc28j60Read(MAADR3),
enc28j60Read(MAADR2), enc28j60Read(MAADR1), enc28j60Read(MAADR0)
);
SYS_hardsleep_ms(20);
enc28j60PhyWrite(PHLCON,0x476);
SYS_hardsleep_ms(20);
// init eth/ip layer
init_ip_arp_udp_tcp(mac_address, ip_address, 80);
DBG(D_ETH, D_INFO, "ethspi setup finished, ip %i.%i.%i.%i @ mac %02x.%02x.%02x.%02x.%02x.%02x\n",
ip_address[0], ip_address[1], ip_address[2], ip_address[3], mac_address[0], mac_address[1], mac_address[2], mac_address[3], mac_address[4], mac_address[5]);
}
void EtherShield::ES_enc28j60Init(uint8_t* macaddr){
/*initialize enc28j60*/
enc28j60Init(macaddr);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
timerPause(10);
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDA=greed LEDB=yellow
//
// 0x880 is PHLCON LEDB=on, LEDA=on
// enc28j60PhyWrite(PHLCON,0b0000 1000 1000 00 00);
enc28j60PhyWrite(PHLCON,0x880);
delay(500);
//
// 0x990 is PHLCON LEDB=off, LEDA=off
// enc28j60PhyWrite(PHLCON,0b0000 1001 1001 00 00);
enc28j60PhyWrite(PHLCON,0x990);
delay(500);
//
// 0x880 is PHLCON LEDB=on, LEDA=on
// enc28j60PhyWrite(PHLCON,0b0000 1000 1000 00 00);
enc28j60PhyWrite(PHLCON,0x880);
delay(500);
//
// 0x990 is PHLCON LEDB=off, LEDA=off
// enc28j60PhyWrite(PHLCON,0b0000 1001 1001 00 00);
enc28j60PhyWrite(PHLCON,0x990);
delay(500);
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
// enc28j60PhyWrite(PHLCON,0b0000 0100 0111 01 10);
enc28j60PhyWrite(PHLCON,0x476);
delay(100);
}
int main(void){
uint16_t dat_p;
// 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_loop_1(0); // 60us
//initialize the hardware driver for the enc28j60
enc28j60Init(mymac);
//enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
enc28j60PhyWrite(PHLCON,0x476);
PORTB = 0xff;
DDRB = 0xff;
uart_init();
sei();
xfunc_out = (void (*)(char))uart_put;
xputs(PSTR("AVR-Ethernet test monitor\n"));
xprintf(PSTR("ENC28J60 Rev.%d\n"), enc28j60getrev());
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
while(1){
// read packet, handle ping and wait for a tcp packet:
dat_p=packetloop_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
/* dat_p will be unequal to zero if there is a valid
* http get */
if(dat_p==0){
// no http request
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
// just one web page in the "root directory" of the web server
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0){
dat_p=print_webpage(buf);
goto SENDTCP;
}else{
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
SENDTCP:
www_server_reply(buf,dat_p); // send web page data
// tcp port 80 end
}
return (0);
}
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) ;
}
void network_init(void)
{
//Initialise the device
enc28j60Init();
//Configure leds
enc28j60PhyWrite(PHLCON,0x476);
}
void nic_init(uint8_t *eth_addr)
{
enc28j60Init(eth_addr,ENC28J60_ENABLE_DUPLEX);
#ifdef ENC28J60_DEBUG
enc28j60RegDump();
#endif
}
void network_init_mac(const uint8_t* macaddr)
{
//Initialise the device
enc28j60Init(macaddr);
//Configure leds
enc28j60PhyWrite(PHLCON,0x476);
}
/**
* Initialize ENC28J60 Chip
**/
void mb_init(void) {
//initialize the hardware driver for the enc28j60
enc28j60Init((uint8_t*)mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_us(60); // 60us
/* 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);
}
static void network_init(void) {
struct uip_eth_addr macaddr;
net_event = process_alloc_event();
#if CONFIG_DRIVERS_ENC28J60
// Set our MAC address
memcpy_P(&macaddr, &mac, sizeof(mac));
// Set up ethernet
enc28j60Init(&macaddr);
enc28j60Write(ECOCON, 0 & 0x7); // Disable clock output
_delay_ms(10);
/* Magjack leds configuration, see enc28j60 datasheet, page 11 */
// LEDA=green LEDB=yellow
//
// 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit
enc28j60PhyWrite(PHLCON, 0x476);
_delay_ms(100);
#endif
#if CONFIG_DRIVERS_ENC424J600
// Initialise the hardware
enc424j600Init();
// Disable clock output and set up LED stretch
uint16_t econ2 = enc424j600ReadReg(ECON2);
econ2 |= ECON2_STRCH; // stretch LED duration
econ2 &= ~(ECON2_COCON3 | ECON2_COCON2 | ECON2_COCON1 | ECON2_COCON0);
enc424j600WriteReg(ECON2, econ2);
// Set up LEDs
uint16_t eidled = enc424j600ReadReg(EIDLED);
eidled &= 0x00ff; // and-out the high byte (LED config)
eidled |= EIDLED_LACFG1 | EIDLED_LBCFG2 | EIDLED_LBCFG1;
enc424j600WriteReg(EIDLED, eidled);
// Get the MAC address
enc424j600GetMACAddr(macaddr.addr);
#endif
#if !CONFIG_LIB_CONTIKI_IPV6
// Set up timers
timer_set(&arp_timer, CLOCK_SECOND * 10);
#endif
uip_setethaddr(macaddr);
}
/*******************************************************************************
* 函数名: etherdev_init
* 参 数: 无
* 返 回: 无
* 功 能: uIP 接口函数,初始化网卡
*/
void etherdev_init(void)
{ u8 i;
/*initialize enc28j60*/
enc28j60Init(mymac);
//把IP地址和MAC地址写入各自的缓存区 ipaddr[] macaddr[]
init_ip_arp_udp_tcp(mymac,myip,mywwwport);
for (i = 0; i < 6; i++)
{
uip_ethaddr.addr[i] = mymac[i];
}
//指示灯状态:0x476 is PHLCON LEDA(绿)=links status, LEDB(红)=receive/transmit
//enc28j60PhyWrite(PHLCON,0x7a4);
//PHLCON：PHY 模块LED 控制寄存器
enc28j60PhyWrite(PHLCON,0x0476);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
}
int simple_server(eAdrGD* fADRGD,uint8_t* fSostEth,uint8_t* nBlock, uint8_t* fIPAddr,uint8_t* fMACAddr,uint8_t* fPORTNUMBER)
{
SPI1_Init();
// Del_1ms(100);
/*initialize enc28j60*/
pADRGD=fADRGD;
EthSost=fSostEth;
EthBlock=nBlock;
PORTNUMBER=fPORTNUMBER;
MACAddr=fMACAddr;
IPAddr=fIPAddr;
enc28j60Init(MACAddr);
init_ip_arp_udp_tcp(MACAddr,IPAddr,*PORTNUMBER);
//ָʾµÆ״̬:0x476 is PHLCON LEDA(ÂÌ)=links status, LEDB(ºì)=receive/transmit
enc28j60PhyWrite(PHLCON,0x7a4);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
// Del_1ms(20);
Sockets[0].IP_PHASE=0;
//init the ethernet/ip layer:
// return (0);
}
/**
* In this function, the hardware should be initialized.
* Called from ethernetif_init().
*
* @param netif the already initialized lwip network interface structure
* for this ethernetif
*/
static void low_level_init(struct netif *netif)
{
/* set netif MAC hardware address length */
netif->hwaddr_len = ETHARP_HWADDR_LEN;
/* set netif MAC hardware address */
netif->hwaddr[0] = MAC_ADDR0;
netif->hwaddr[1] = MAC_ADDR1;
netif->hwaddr[2] = MAC_ADDR2;
netif->hwaddr[3] = MAC_ADDR3;
netif->hwaddr[4] = MAC_ADDR4;
netif->hwaddr[5] = MAC_ADDR5;
/* set netif maximum transfer unit */
netif->mtu = 1500;
/* Accept broadcast address and ARP traffic */
netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
s_pxNetIf =netif;
/* create binary semaphore used for informing ethernetif of frame reception */
if (s_xSemaphore == NULL)
{
s_xSemaphore= xSemaphoreCreateCounting(20,0);
}
/* initialize MAC address in ethernet MAC */
enc28j60Init(netif->hwaddr, 1);
/* create the task that handles the ETH_MAC */
xTaskCreate(ethernetif_input, (signed char*) "Eth_if", netifINTERFACE_TASK_STACK_SIZE, NULL,
netifINTERFACE_TASK_PRIORITY,NULL);
/* Enable MAC and DMA transmission and reception */
}
int main(void){
uint16_t dat_p,plen;
int8_t cmd;
// Set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting
// of clock the next four instructions.
// Note that the CKDIV8 Fuse determines the initial
// value of the CKKPS bits.
CLKPR=(1<<CLKPCE); // change enable
CLKPR=0; // "no pre-scaler"
_delay_loop_1(0); // 60us
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
/* 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);
DDRB|= (1<<DDB1); // LED, enable PB1, LED as output
LEDOFF;
DDRD&= ~(1<<DDD6); // enable PB6, as input
PORTD|= (1<<PIND6); // internal pullup resistor on
init_cnt2();
sei();
//init the web server ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
// init the web client:
client_set_gwip(gwip); // e.g internal IP of dsl router
//
while(1){
// handle ping and wait for a tcp packet
plen=enc28j60PacketReceive(BUFFER_SIZE, buf);
dat_p=packetloop_icmp_tcp(buf,plen);
if(plen==0){
// we are idle here
if (client_waiting_gw() ){
continue;
}
if (dns_state==0){
sec=0;
dns_state=1;
dnslkup_request(buf,PSTR(WEBSERVER_VHOST));
continue;
}
if (dns_state==1 && dnslkup_haveanswer()){
dns_state=2;
client_set_wwwip(dnslkup_getip());
}
if (dns_state!=2){
// retry every minute if dns-lookup failed:
if (sec > 60){
dns_state=0;
}
// don't try to use web client before
// we have a result of dns-lookup
continue;
}
//----------
if (start_web_client==1){
LEDON;
start_web_client=2;
sec=0;
web_client_attempts++;
// the identi.ca line is status=Url_encoded_string
strcat(statusstr,"status=");
// the text to send to identi.ca (append after status=):
//urlencode("Meals are ready",&(statusstr[7]));
urlencode("I like tuxgraphics eth boards, ",&(statusstr[7]));
// append a number:
itoa(web_client_attempts,&(statusstr[strlen(statusstr)]),10);
// The BLOGGACCOUNT Authorization code can be generated from
// username and password of your identi.ca account
// by using this encoder: http://tuxgraphics.org/~guido/javascript/base64-javascript.html
client_http_post(PSTR("/api/statuses/update.xml"),PSTR(WEBSERVER_VHOST),PSTR(BLOGGACCOUNT),statusstr,&browserresult_callback);
}
// count how often the switch was triggered at all:
if (contact_debounce==0 && bit_is_clear(PIND,PIND6)){
contact_onoff_cnt++;
contact_debounce=1;
}
// we send only a request if we are in the right state (do
// not flood with request):
if (start_web_client==0 && bit_is_clear(PIND,PIND6)){
resend=1; // resend once if it failed
start_web_client=1;
}
// Reset after a delay of 3 min to prevent email sending.
// We reset only if the contact on PD6 was released.
if (start_web_client<=3 && sec==180 && !bit_is_clear(PIND,PIND6)){
start_web_client=0;
}
// Resend the message if it failed:
if (start_web_client==2 && sec==7 && resend){
start_web_client=1;
resend--;
}
continue;
}
if(dat_p==0){ // plen!=0
// check for incomming messages not processed
// as part of packetloop_icmp_tcp, e.g udp messages
udp_client_check_for_dns_answer(buf,plen);
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+4]));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==-1){
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
if (cmd==1 && start_web_client==4){
// email was off, switch on
start_web_client=0;
}
if (cmd==0 ){
start_web_client=4; // email off
}
dat_p=http200ok();
dat_p=print_webpage(buf);
//
SENDTCP:
www_server_reply(buf,dat_p); // send data
}
return (0);
}
int main(void){
uint16_t dat_p;
int8_t cmd;
// Set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting
// of clock the next four instructions.
// Note that the CKDIV8 Fuse determines the initial
// value of the CKKPS bits.
CLKPR=(1<<CLKPCE); // change enable
CLKPR=0; // "no pre-scaler"
_delay_loop_1(0); // 60us
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
/* 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);
DDRB|= (1<<DDB1); // LED, enable PB1, LED as output
LEDOFF;
DDRD&= ~(1<<DDD6); // enable PB6, as input
PORTD|= (1<<PIND6); // internal pullup resistor on
init_cnt2();
sei();
//init the web server ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
// init the web client:
client_set_gwip(gwip); // e.g internal IP of dsl router
client_set_wwwip(websrvip);
//
while(1){
// handle ping and wait for a tcp packet
dat_p=packetloop_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
if(dat_p==0){
if (start_web_client==1){
LEDON;
start_web_client=2;
sec=0;
web_client_attempts++;
// the text to send in the body of the mail:
urlencode("The door is open",urlvarstr);
// The string "test+emailnotify" is the subject line
// of the email. A plus sign translates into a space character.
// The MMaccountID is gus123, edit and replace by your own.
client_browse_url(PSTR("/cgi-bin/mm?a=gus123&s=test+emailnotify&d="),urlvarstr,PSTR(WEBSERVER_VHOST),&browserresult_callback);
}
// count how often the switch was triggered at all:
if (contact_debounce==0 && bit_is_clear(PIND,PIND6)){
contact_onoff_cnt++;
contact_debounce=1;
}
// we send only an email if we are in the right state (do
// not flood with email):
if (start_web_client==0 && bit_is_clear(PIND,PIND6)){
resend=1; // resend once if it failed
start_web_client=1;
}
// Reset after a delay of 3 min to prevent email sending.
// We reset only if the contact on PD6 was released.
if (start_web_client<=3 && sec==180 && !bit_is_clear(PIND,PIND6)){
start_web_client=0;
}
// Resend the email if it failed:
if (start_web_client==2 && sec==7 && resend){
start_web_client=1;
resend--;
}
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+4]));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==-1){
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
if (cmd==1 && start_web_client==4){
// email was off, switch on
start_web_client=0;
}
if (cmd==0 ){
start_web_client=4; // email off
}
dat_p=http200ok();
dat_p=print_webpage(buf);
//
SENDTCP:
www_server_reply(buf,dat_p); // send data
}
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 dat_p;
ADC_init();
_delay_ms ( 100 );
//DDRB |= (1<<PB0);
initTimer();
//initialize the hardware driver for the enc28j60
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
enc28j60PhyWrite(PHLCON,0x476);
//init the ethernet/ip layer:
init_udp_or_www_server(mymac,myip);
www_server_port(MYWWWPORT);
while(1)
{
// read packet, handle ping and wait for a tcp packet:
dat_p=packetloop_arp_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
// dat_p will be unequal to zero if there is a valid http get
if(dat_p==0)
{
// no http request
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0)
{
// head, post and other methods:
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
www_server_reply(buf,dat_p);
continue;
}
// just one web page in the "root directory" of the web server
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0)
{
//dat_p=print_webpage(buf);
dat_p=printIndex(buf);
www_server_reply(buf,dat_p);
}
else if (strncmp("/now.htm", (char *)&(buf[dat_p+4]),8) == 0 )
{
dat_p = printNowHTML ( buf );
www_server_reply( buf, dat_p );
}
else if (strncmp("/min0.htm", (char *)&(buf[dat_p+4]),9) == 0 )
{
dat_p = printMinHTML ( buf, 0 );
www_server_reply( buf, dat_p );
}
else if (strncmp("/min1.htm", (char *)&(buf[dat_p+4]),9) == 0 )
{
dat_p = printMinHTML ( buf, 1 );
www_server_reply( buf, dat_p );
}
else if (strncmp("/wlcm.htm", (char *)&(buf[dat_p+4]),9) == 0 )
{
dat_p = printWelcomeHTML ( buf );
www_server_reply( buf, dat_p );
}
else
{
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
www_server_reply(buf,dat_p);
}
}
return (0);
}
int main(void){
uint16_t plen;
uint16_t dat_p;
uint8_t cmd;
// set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting of clock the
// next four instructions.
CLKPR=(1<<CLKPCE); // change enable
CLKPR=0; // "no pre-scaler"
uartInit();
uartSetBaudRate(9600);
_delay_loop_1(50); // 12ms
/* enable PD2/INT0, as input */
DDRD&= ~(1<<DDD2);
// test button
cbi(DDRD,PIND6);
sbi(PORTD,PIND6); // internal pullup resistor on
_delay_loop_1(50); // 12ms
// read eeprom values unless, the PD6 pin is connected to GND during bootup
// PD6 is used to reset to factory default. Note that factory default is
// not stored back to eeprom.
if (eeprom_read_byte((uint8_t *)0x0) == 19 && ! bit_is_clear(PIND,PIND6)){
// ok magic number matches accept values
eeprom_read_block((uint8_t *)myip,(void *)1,sizeof(myip));
eeprom_read_block((uint8_t *)monitoredhost,(void *)6,sizeof(monitoredhost));
pinginterval=eeprom_read_byte((uint8_t *)11);
sendping=eeprom_read_byte((uint8_t *)12);
eeprom_read_block((char *)password,(void *)13,sizeof(password));
password[7]='\0'; // make sure it is terminated, should not be necessary
}
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(50); // 12ms
// LED
/* enable PB1, LED as output */
//DDRB|= (1<<DDB1);
/* set output to Vcc, LED off */
//LEDOFF;
// the transistor on PD7
DDRD|= (1<<DDD7);
PORTD &= ~(1<<PIND7);// 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_loop_1(50); // 12ms
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
timer_init();
_delay_ms(1000);
uartFlushReceiveBuffer();
sei(); // interrupt enable
while(1){
//uartSendByte('a');
//checkForEthPacket(ethPacket);
stop_timer=2;
if (checkForEthPacket(ethPacket))
{
sendEthPacket(time, sm);
time.hr = 99;
}
stop_timer=0;
// wait_data++;
// if (wait_data>40)
// wait_data=0;
//_delay_ms(500);
// spontanious messages must not interfer with
// web pages
if (pagelock==0 && enc28j60hasRxPkt()==0){
if (sendping && havemac==0){
client_arp_whohas(buf,monitoredhost);
havemac=2;
}
if (sendping && havemac==1 && pingnow){
pingnow=0;
client_icmp_request(buf,monitoredhost,PINGPATTERN);
pingtimer++; // otheweise we would call this function again
hoststatus++;
if (hoststatus==0xff){
hoststatus=1; // wrap to 1
}
}
}
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
/*plen will be 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)){
if (eth_type_is_arp_req(buf)){
make_arp_answer_from_request(buf);
}
if (eth_type_is_arp_reply(buf)){
if (client_store_gw_mac(buf,monitoredhost)){
havemac=1;
}
}
continue;
}
// check if ip packets 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_ECHOREPLY_V){
if (buf[ICMP_DATA_P]== PINGPATTERN){
if (check_ip_message_is_from(buf,monitoredhost)){
// ping reply is from monitored host and ping was from us
hoststatus=0;
hostbackafterreboot=1;
}
}
}
if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){
if (check_ip_message_is_from(buf,monitoredhost)){
// ping is from monitored host
hoststatus=0;
hostbackafterreboot=1;
}
// a ping packet, let's send pong
make_echo_reply_from_request(buf,plen);
continue;
}
// tcp port www start, compare only the lower byte
if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==MYWWWPORT){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V){
make_tcp_synack_from_syn(buf);
// make_tcp_synack_from_syn does already send the syn,ack
continue;
}
if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V){
init_len_info(buf); // init some data structures
// we can possibly have no data, just ack:
dat_p=get_tcp_data_pointer();
if (dat_p==0){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V){
// finack, answer with ack
make_tcp_ack_from_any(buf);
}
// just an ack with no data, wait for next packet
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0){
plen=print_webpage(buf);
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+5]));
pagelock=1; // stop automatic actions until webpage is displayed
//
// error, default, will get overwritte in case
// something else is selected:
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>Error</h1>"));
plen=fill_tcp_data(buf,plen,errmsg);
plen=fill_tcp_data_p(buf,plen,PSTR("<br><br><a href=/>->continue</a>\n"));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==1){
resethost();
plen=print_webpage_confirm(buf);
}
if (cmd==2){
store_in_eeprom();
plen=print_webpage_confirm(buf);
}
if (cmd==7){
store_in_eeprom();
plen=print_webpage_confirm(buf);
reinitmac=1;
}
// start and stop of wd, this is not store in eeprom
if (cmd==5){
pingtimer=1; // wd on
plen=print_webpage_confirm(buf);
}
if (cmd==4){
pingtimer=0; // wd off
plen=print_webpage_confirm(buf);
}
if (cmd==3){
plen=print_webpage_now(buf);
}
if (cmd==6){
plen=print_webpage_config(buf);
}
// testing the temp OK / NOK
if (cmd==20){
sm[0].temp= atoi(strbuf);
plen=print_webpage_confirm(buf);
}
if (cmd==21){
sm[1].temp= atoi(strbuf);
plen=print_webpage_confirm(buf);
}
// on / off - slave-modules
// ON slave-module-1
if (cmd==34){
sm[0].status = atoi(strbuf);
plen=print_webpage_confirmrm1(buf);
}
// OFF slave-module-1
if (cmd==31){
sm[0].status = atoi(strbuf);
plen=print_webpage_confirmrm1(buf);
}
// ON slave-module-2
if (cmd==32){
sm[1].status = atoi(strbuf);
plen=print_webpage_confirmrm2(buf);
}
// OFF slave-module-2
if (cmd==33){
sm[1].status = atoi(strbuf);
plen=print_webpage_confirmrm2(buf);
}
if (cmd==35){
plen=print_webpage_confirmclk(buf);
}
if (cmd==36){
plen=print_webpage_confirmclk(buf);
}
// Room-1
if (cmd==10){
plen=print_webpage_room1(buf);
}
// ROom-2
if (cmd==11){
plen=print_webpage_room2(buf);
}
// Clock & date
if (cmd==12){
plen=print_webpage_clk(buf);
}
//
SENDTCP:
make_tcp_ack_from_any(buf); // send ack for http get
make_tcp_ack_with_data(buf,plen); // send data
continue;
}
}
// tcp port www end
//
// udp not implemented
}
return (0);
}
void EtherShield::ES_enc28j60Init(uint8_t* macaddr){
enc28j60Init(macaddr);
}
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);
}
int main(void){
uint16_t dat_p;
// Set the clock speed to "no pre-scaler" (8MHz with internal osc or
// full external speed)
// set the clock prescaler. First write CLKPCE to enable setting
// of clock the next four instructions.
// Note that the CKDIV8 Fuse determines the initial
// value of the CKKPS bits.
#if 0
CLKPR=(1<<CLKPCE);
CLKPR=0; // 8 MHZ
#endif
_delay_loop_1(0); // 60us
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(0); // 60us
// 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);
//init the ethernet/ip layer:
init_udp_or_www_server(mymac,myip);
www_server_port(MYWWWPORT);
while(1){
// handle ping and wait for a tcp packet:
dat_p=packetloop_arp_icmp_tcp(buf,enc28j60PacketReceive(BUFFER_SIZE, buf));
// dat_p will be unequal to zero if there is a valid http get
if(dat_p==0){
// do nothing
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0){
dat_p=http200ok();
dat_p=fill_tcp_data_p(buf,dat_p,PSTR("<p>OK, works great!</p>\n"));
goto SENDTCP;
}
// all other URLs:
dat_p=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
SENDTCP:
www_server_reply(buf,dat_p); // send web page data
}
return (0);
}
/*
* Main entry point
*/
int main(void) {
//=====init green led
LEDInit();
LEDSet(1);
//=====setup eth interface
uint16_t plen = 0, dat_p = 0;
//initialize enc28j60
enc28j60Init(mymac);
_delay_ms(100);
// 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(100);
//init the ethernet/ip layer:
init_udp_or_www_server(mymac,myip);
www_server_port(MYWWWPORT);
register_ping_rec_callback(PingCallback);
while(1){
// handle ping and wait for a tcp packet:
dat_p = packetloop_arp_icmp_tcp(buf, enc28j60PacketReceive(BUFFER_SIZE, buf));
// dat_p will be unequal to zero if there is a valid http get
if(dat_p==0){
// do nothing
continue;
}
// tcp port 80 begin
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
dat_p = fill_tcp_data_p(buf, 0, PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
dat_p = fill_tcp_data_p(buf, dat_p, PSTR("<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *) & (buf[ dat_p + 4] ), 2) == 0 ){
nAccessCount++;
dat_p = fill_tcp_data_p(buf, 0, PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\nPragma: no-cache\r\n\r\n"));
// webcontent
char szWebText[130] = {0};
sprintf(szWebText,
"<b>ATmega8 Webserver / ENC28J60</b><br><br>Server stats:<br>Acc:%d Png:%d<br><br>(C) Radu Motisan 2012, www.pocketmagic.net<br/>Tomasz Jokiel",
nAccessCount, nPingCount);
dat_p = fill_tcp_data(buf, dat_p, szWebText);
//
goto SENDTCP;
}
// all other URLs:
dat_p = fill_tcp_data_p(buf, 0, PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
SENDTCP:
www_server_reply(buf, dat_p); // send web page data
}
return (0);
}
void network_init(void)
{
enc28j60Init();
enc28j60PhyWrite(PHLCON, 0x476); //setup led
}
int simple_server(void)
{
unsigned int plen;
unsigned int dat_p;
unsigned char i=0;
unsigned char cmd_pos=0;
unsigned char cmd;
unsigned char payloadlen=0;
char str[30];
char cmdval;
// Del_1ms(100);
/*initialize enc28j60*/
enc28j60Init(mymac);
init_ip_arp_udp_tcp(mymac,myip,mywwwport);
//ָʾµÆ״̬:0x476 is PHLCON LEDA(ÂÌ)=links status, LEDB(ºì)=receive/transmit
enc28j60PhyWrite(PHLCON,0x7a4);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
// Del_1ms(20);
//init the ethernet/ip layer:
while(1)
{
// OSTimeDlyHMSM(0, 0, 0, 50);
// get the next new packet:
plen = enc28j60PacketReceive(BUFFER_SIZE, buf);
//USART_DMASendData(USART1,buf,plen);
/*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);
//USART_DMASendText(USART1,"make_arp_answer_from_request\n");
continue;
}
// check if ip packets 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);
//USART_DMASendText(USART1,"make_echo_reply_from_request\n");
continue;
}
// tcp port www start, compare only the lower byte
if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==mywwwport)
{
if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V)
{
make_tcp_synack_from_syn(buf);
// make_tcp_synack_from_syn does already send the syn,ack
continue;
}
if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V)
{
init_len_info(buf); // init some data structures
// we can possibly have no data, just ack:
dat_p=get_tcp_data_pointer();
if (dat_p==0)
{
if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V)
{
// finack, answer with ack
make_tcp_ack_from_any(buf);
}
// just an ack with no data, wait for next packet
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0)
{
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
goto SENDTCP;
}
if (strncmp("/ ",(char *)&(buf[dat_p+4]),2)==0)
{
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n"));
plen=fill_tcp_data_p(buf,plen,PSTR("<p>Usage: "));
plen=fill_tcp_data(buf,plen,baseurl);
plen=fill_tcp_data_p(buf,plen,PSTR("password</p>"));
goto SENDTCP;
}
cmd=analyse_get_url((char *)&(buf[dat_p+5]));
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
if (cmd==-1)
{
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 401 Unauthorized\r\nContent-Type: text/html\r\n\r\n<h1>401 Unauthorized</h1>"));
goto SENDTCP;
}
if (cmd==1)
{
//PORTD|= (1<<PD7);// transistor on
//IOCLR |= (1<<26);
// LED1ON();
i=1;
}
if (cmd==0)
{
//PORTD &= ~(1<<PD7);// transistor off
//IOSET |= (1<<26);
// LED1OFF();
i=0;
}
// if (cmd==-2) or any other value
// just display the status:
plen=print_webpage(buf,(i));
SENDTCP:
make_tcp_ack_from_any(buf); // send ack for http get
make_tcp_ack_with_data(buf,plen); // send data
continue;
}
}
// tcp port www end
//
// udp start, we listen on udp 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
//IOCLR |= (1<<26);
//LED1ON();
strcpy(str,"t=1");
goto ANSWER;
}
else if(cmdval=='0')
{
//PORTD &= ~(1<<PD7);// transistor off
//IOSET |= (1<<26);
//LED1OFF();
strcpy(str,"t=0");
goto ANSWER;
}
else if(cmdval=='?')
{
/*
if (IOPIN & (1<<26))
{
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),myudpport);
}
}
// return (0);
}
int main(void){
uint16_t plen;
uint16_t dat_p;
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
_delay_loop_1(50); // 12ms
// LED
/* enable PB1, LED as output */
DDRB|= (1<<DDB1);
/* one blink for indicate of start programm */
cbi(PORTB, PORTB1); // on
_delay_ms(100);
sbi(PORTB,PORTB1); // off
_delay_ms(100);
cbi(PORTB,PORTB1); // on
/*initialize enc28j60*/
enc28j60Init(mymac);
enc28j60clkout(2); // change clkout from 6.25MHz to 12.5MHz
_delay_loop_1(50); // 12ms
/* 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_loop_1(50); // 12ms
/* set output to GND, red LED on */
PORTB &= ~(1<<PORTB1);
i=1;
//init the ethernet/ip layer:
init_ip_arp_udp_tcp(mymac,myip,MYWWWPORT);
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);
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<<PORTB1);
i=0;
}else{
/* set output to GND, LED on */
PORTB &= ~(1<<PORTB1);
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;
}
// tcp port www start, compare only the lower byte
if (buf[IP_PROTO_P]==IP_PROTO_TCP_V&&buf[TCP_DST_PORT_H_P]==0&&buf[TCP_DST_PORT_L_P]==MYWWWPORT){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_SYN_V){
make_tcp_synack_from_syn(buf);
// make_tcp_synack_from_syn does already send the syn,ack
continue;
}
if (buf[TCP_FLAGS_P] & TCP_FLAGS_ACK_V){
init_len_info(buf); // init some data structures
// we can possibly have no data, just ack:
dat_p=get_tcp_data_pointer();
if (dat_p==0){
if (buf[TCP_FLAGS_P] & TCP_FLAGS_FIN_V){
// finack, answer with ack
make_tcp_ack_from_any(buf);
}
// just an ack with no data, wait for next packet
continue;
}
if (strncmp("GET ",(char *)&(buf[dat_p]),4)!=0){
// head, post and other methods:
//
// for possible status codes see:
// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<h1>200 OK</h1>"));
}else{
// the "get" method
plen=fill_tcp_data_p(buf,0,PSTR("HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n<p>OK, it works</p>"));
}
make_tcp_ack_from_any(buf); // send ack for http get
make_tcp_ack_with_data(buf,plen); // send data
continue;
}
}
// udp interface:
if (buf[IP_PROTO_P]==IP_PROTO_UDP_V){
payloadlen=buf[UDP_LEN_L_P]-UDP_HEADER_LEN;
// the received command has to start with t and be 4 char long
// e.g "test\0"
if (buf[UDP_DATA_P]=='t' && payloadlen==5){
make_udp_reply_from_request(buf,"hello",6,MYUDPPORT);
}
}
}
return (0);
}