EthernetTester - See http://mbed.org/users/no2chem/notebook/ethern…

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Michael Wei / Mbed 2 deprecated EthernetTester

See http://mbed.org/users/no2chem/notebook/ethernet-testing/ For usage information.

main.cpp@0:83f7908c81b1, 2010-01-21 (annotated)

Committer:: no2chem
Date:: Thu Jan 21 08:34:39 2010 +0000
Revision:: 0:83f7908c81b1

Who changed what in which revision?

User	Revision	Line number	New contents of line
no2chem	0:83f7908c81b1	1	#include "mbed.h"
no2chem	0:83f7908c81b1	2	#include "lwip/opt.h"
no2chem	0:83f7908c81b1	3	#include "lwip/stats.h"
no2chem	0:83f7908c81b1	4	#include "lwip/sys.h"
no2chem	0:83f7908c81b1	5	#include "lwip/pbuf.h"
no2chem	0:83f7908c81b1	6	#include "lwip/udp.h"
no2chem	0:83f7908c81b1	7	#include "lwip/tcp.h"
no2chem	0:83f7908c81b1	8	#include "lwip/dns.h"
no2chem	0:83f7908c81b1	9	#include "lwip/dhcp.h"
no2chem	0:83f7908c81b1	10	#include "lwip/init.h"
no2chem	0:83f7908c81b1	11	#include "lwip/netif.h"
no2chem	0:83f7908c81b1	12	#include "netif/etharp.h"
no2chem	0:83f7908c81b1	13	#include "netif/loopif.h"
no2chem	0:83f7908c81b1	14	#include "device.h"
no2chem	0:83f7908c81b1	15
no2chem	0:83f7908c81b1	16	Ethernet ethernet;
no2chem	0:83f7908c81b1	17	DigitalOut ledLink(p30);
no2chem	0:83f7908c81b1	18	DigitalOut ledActivity(p29);
no2chem	0:83f7908c81b1	19	DigitalOut ledStage0 (LED1);
no2chem	0:83f7908c81b1	20	DigitalOut ledStage1 (LED2);
no2chem	0:83f7908c81b1	21	DigitalOut ledStage2 (LED3);
no2chem	0:83f7908c81b1	22	DigitalOut ledTCP80 (LED4);
no2chem	0:83f7908c81b1	23
no2chem	0:83f7908c81b1	24	volatile char stage = 0;
no2chem	0:83f7908c81b1	25
no2chem	0:83f7908c81b1	26	Ticker stage_blinker;
no2chem	0:83f7908c81b1	27
no2chem	0:83f7908c81b1	28	struct netif netif_data;
no2chem	0:83f7908c81b1	29
no2chem	0:83f7908c81b1	30	const char testPage[] = "HTTP/1.1 200 OK\r\n"
no2chem	0:83f7908c81b1	31	"Content-Type: text/html\r\n"
no2chem	0:83f7908c81b1	32	"Connection: Close\r\n\r\n"
no2chem	0:83f7908c81b1	33	"<html>"
no2chem	0:83f7908c81b1	34	"<head>"
no2chem	0:83f7908c81b1	35	"<title>mbed test page</title>"
no2chem	0:83f7908c81b1	36	"<style type='text/css'>"
no2chem	0:83f7908c81b1	37	"body{font-family:'Arial, sans-serif', sans-serif;font-size:.8em;background-color:#fff;}"
no2chem	0:83f7908c81b1	38	"</style>"
no2chem	0:83f7908c81b1	39	"</head>"
no2chem	0:83f7908c81b1	40	"<body>%s</body></html>\r\n\r\n";
no2chem	0:83f7908c81b1	41
no2chem	0:83f7908c81b1	42	char buffer[1024];
no2chem	0:83f7908c81b1	43	char temp[1024];
no2chem	0:83f7908c81b1	44	err_t recv_callback(void arg, struct tcp_pcb pcb, struct pbuf *p, err_t err) {
no2chem	0:83f7908c81b1	45	struct netif *netif = &netif_data;
no2chem	0:83f7908c81b1	46	ledTCP80 = true;
no2chem	0:83f7908c81b1	47	printf("TCP callback from %d.%d.%d.%d\r\n", ip4_addr1(&(pcb->remote_ip)),ip4_addr2(&(pcb->remote_ip)),ip4_addr3(&(pcb->remote_ip)),ip4_addr4(&(pcb->remote_ip)));
no2chem	0:83f7908c81b1	48	char *data;
no2chem	0:83f7908c81b1	49	/* Check if status is ok and data is arrived. */
no2chem	0:83f7908c81b1	50	if (err == ERR_OK && p != NULL) {
no2chem	0:83f7908c81b1	51	/* Inform TCP that we have taken the data. */
no2chem	0:83f7908c81b1	52	tcp_recved(pcb, p->tot_len);
no2chem	0:83f7908c81b1	53	data = static_cast<char *>(p->payload);
no2chem	0:83f7908c81b1	54	/* If the data is a GET request we can handle it. */
no2chem	0:83f7908c81b1	55	if (strncmp(data, "GET ", 4) == 0) {
no2chem	0:83f7908c81b1	56	printf("Handling GET request...\r\n");
no2chem	0:83f7908c81b1	57	printf("Request:\r\n%s\r\n", data);
no2chem	0:83f7908c81b1	58
no2chem	0:83f7908c81b1	59	//generate the test page
no2chem	0:83f7908c81b1	60	time_t seconds = time(NULL);
no2chem	0:83f7908c81b1	61	sprintf(temp, "<h1>Congratulations!</h1>If you can see this page, your mbed is working properly."
no2chem	0:83f7908c81b1	62	"<h2>mbed Configuration</h2>"
no2chem	0:83f7908c81b1	63	"mbed RTC time:%s<br/>"
no2chem	0:83f7908c81b1	64	"mbed HW address: %02x:%02x:%02x:%02x:%02x:%02x<br/>"
no2chem	0:83f7908c81b1	65	"mbed IP Address: %s<br/>",
no2chem	0:83f7908c81b1	66	ctime(&seconds),
no2chem	0:83f7908c81b1	67	(char*) netif->hwaddr[0],
no2chem	0:83f7908c81b1	68	(char*) netif->hwaddr[1],
no2chem	0:83f7908c81b1	69	(char*) netif->hwaddr[2],
no2chem	0:83f7908c81b1	70	(char*) netif->hwaddr[3],
no2chem	0:83f7908c81b1	71	(char*) netif->hwaddr[4],
no2chem	0:83f7908c81b1	72	(char*) netif->hwaddr[5],
no2chem	0:83f7908c81b1	73	inet_ntoa((struct in_addr)&(netif->ip_addr))
no2chem	0:83f7908c81b1	74	);
no2chem	0:83f7908c81b1	75	sprintf(buffer, testPage, temp);
no2chem	0:83f7908c81b1	76	if (tcp_write(pcb, (void *)buffer, strlen(buffer), 1) == ERR_OK) {
no2chem	0:83f7908c81b1	77	tcp_output(pcb);
no2chem	0:83f7908c81b1	78	printf("Closing connection...\r\n");
no2chem	0:83f7908c81b1	79	tcp_close(pcb);
no2chem	0:83f7908c81b1	80	}
no2chem	0:83f7908c81b1	81	}
no2chem	0:83f7908c81b1	82	else
no2chem	0:83f7908c81b1	83	{
no2chem	0:83f7908c81b1	84	printf("Non GET request...\r\nRequest:\r\n%s\r\n", data);
no2chem	0:83f7908c81b1	85	}
no2chem	0:83f7908c81b1	86
no2chem	0:83f7908c81b1	87	pbuf_free(p);
no2chem	0:83f7908c81b1	88	}
no2chem	0:83f7908c81b1	89
no2chem	0:83f7908c81b1	90	else {
no2chem	0:83f7908c81b1	91	/* No data arrived */
no2chem	0:83f7908c81b1	92	/* That means the client closes the connection and sent us a packet with FIN flag set to 1. */
no2chem	0:83f7908c81b1	93	/* We have to cleanup and destroy out TCPConnection. */
no2chem	0:83f7908c81b1	94	printf("Connection closed by client.\r\n");
no2chem	0:83f7908c81b1	95	pbuf_free(p);
no2chem	0:83f7908c81b1	96	}
no2chem	0:83f7908c81b1	97	/* Don't panic! Everything is fine. */
no2chem	0:83f7908c81b1	98	ledTCP80 = false;
no2chem	0:83f7908c81b1	99	return ERR_OK;
no2chem	0:83f7908c81b1	100	}
no2chem	0:83f7908c81b1	101	/* Accept an incomming call on the registered port */
no2chem	0:83f7908c81b1	102	err_t accept_callback(void arg, struct tcp_pcb npcb, err_t err) {
no2chem	0:83f7908c81b1	103	LWIP_UNUSED_ARG(arg);
no2chem	0:83f7908c81b1	104	/* Subscribe a receive callback function */
no2chem	0:83f7908c81b1	105	tcp_recv(npcb, &recv_callback);
no2chem	0:83f7908c81b1	106	/* Don't panic! Everything is fine. */
no2chem	0:83f7908c81b1	107	return ERR_OK;
no2chem	0:83f7908c81b1	108	}
no2chem	0:83f7908c81b1	109
no2chem	0:83f7908c81b1	110	void stageblinker()
no2chem	0:83f7908c81b1	111	{
no2chem	0:83f7908c81b1	112	switch (stage)
no2chem	0:83f7908c81b1	113	{
no2chem	0:83f7908c81b1	114	case 0:
no2chem	0:83f7908c81b1	115	ledStage0 = !ledStage0;
no2chem	0:83f7908c81b1	116	ledStage1 = false;
no2chem	0:83f7908c81b1	117	ledStage2 = false;
no2chem	0:83f7908c81b1	118	break;
no2chem	0:83f7908c81b1	119	case 1:
no2chem	0:83f7908c81b1	120	ledStage0 = true;
no2chem	0:83f7908c81b1	121	ledStage1 = !ledStage1;
no2chem	0:83f7908c81b1	122	ledStage2 = false;
no2chem	0:83f7908c81b1	123	break;
no2chem	0:83f7908c81b1	124	case 2:
no2chem	0:83f7908c81b1	125	ledStage0 = true;
no2chem	0:83f7908c81b1	126	ledStage1 = true;
no2chem	0:83f7908c81b1	127	ledStage2 = true;
no2chem	0:83f7908c81b1	128	stage_blinker.detach();
no2chem	0:83f7908c81b1	129	break;
no2chem	0:83f7908c81b1	130	}
no2chem	0:83f7908c81b1	131	}
no2chem	0:83f7908c81b1	132
no2chem	0:83f7908c81b1	133	int main() {
no2chem	0:83f7908c81b1	134	printf("mBed Ethernet Tester 1.0\r\nStarting Up...\r\n");
no2chem	0:83f7908c81b1	135	stage = 0;
no2chem	0:83f7908c81b1	136	struct netif *netif = &netif_data;
no2chem	0:83f7908c81b1	137	struct ip_addr ipaddr;
no2chem	0:83f7908c81b1	138	struct ip_addr netmask;
no2chem	0:83f7908c81b1	139	struct ip_addr gateway;
no2chem	0:83f7908c81b1	140	Ticker tickFast, tickSlow, tickARP, eth_tick, dns_tick, dhcp_coarse, dhcp_fine;
no2chem	0:83f7908c81b1	141	stage_blinker.attach_us(&stageblinker, 1000*500);
no2chem	0:83f7908c81b1	142
no2chem	0:83f7908c81b1	143	char *hostname = "my-mbed";
no2chem	0:83f7908c81b1	144
no2chem	0:83f7908c81b1	145	printf("Configuring device for DHCP...\r\n");
no2chem	0:83f7908c81b1	146	/* Start Network with DHCP */
no2chem	0:83f7908c81b1	147	IP4_ADDR(&netmask, 255,255,255,255);
no2chem	0:83f7908c81b1	148	IP4_ADDR(&gateway, 0,0,0,0);
no2chem	0:83f7908c81b1	149	IP4_ADDR(&ipaddr, 0,0,0,0);
no2chem	0:83f7908c81b1	150	/* Initialise after configuration */
no2chem	0:83f7908c81b1	151	lwip_init();
no2chem	0:83f7908c81b1	152	netif->hwaddr_len = ETHARP_HWADDR_LEN;
no2chem	0:83f7908c81b1	153	device_address((char *)netif->hwaddr);
no2chem	0:83f7908c81b1	154	netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, device_init, ip_input);
no2chem	0:83f7908c81b1	155	netif->hostname = hostname;
no2chem	0:83f7908c81b1	156	netif_set_default(netif);
no2chem	0:83f7908c81b1	157	dhcp_start(netif); // <-- Use DHCP
no2chem	0:83f7908c81b1	158
no2chem	0:83f7908c81b1	159	/* Initialise all needed timers */
no2chem	0:83f7908c81b1	160	tickARP.attach_us( &etharp_tmr, ARP_TMR_INTERVAL * 1000);
no2chem	0:83f7908c81b1	161	tickFast.attach_us(&tcp_fasttmr, TCP_FAST_INTERVAL * 1000);
no2chem	0:83f7908c81b1	162	tickSlow.attach_us(&tcp_slowtmr, TCP_SLOW_INTERVAL * 1000);
no2chem	0:83f7908c81b1	163	dns_tick.attach_us(&dns_tmr, DNS_TMR_INTERVAL * 1000);
no2chem	0:83f7908c81b1	164	dhcp_coarse.attach_us(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_MSECS * 1000);
no2chem	0:83f7908c81b1	165	dhcp_fine.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000);
no2chem	0:83f7908c81b1	166	stage = 1;
no2chem	0:83f7908c81b1	167	while (!netif_is_up(netif)) {
no2chem	0:83f7908c81b1	168	ledLink = ethernet.link();
no2chem	0:83f7908c81b1	169	device_poll();
no2chem	0:83f7908c81b1	170	}
no2chem	0:83f7908c81b1	171
no2chem	0:83f7908c81b1	172	/*
no2chem	0:83f7908c81b1	173	while (!(netif->dhcp->state == DHCP_BOUND \|\| netif->dhcp->state == DHCP_PERMANENT))
no2chem	0:83f7908c81b1	174	{
no2chem	0:83f7908c81b1	175	ledLink = ethernet.link();
no2chem	0:83f7908c81b1	176	device_poll();
no2chem	0:83f7908c81b1	177	//printf("Waiting for DHCP response, state = %d\r\n", netif->dhcp->state);
no2chem	0:83f7908c81b1	178	//wait_ms(100);
no2chem	0:83f7908c81b1	179	}
no2chem	0:83f7908c81b1	180	*/
no2chem	0:83f7908c81b1	181	stage = 2;
no2chem	0:83f7908c81b1	182	printf("Interface is up, local IP is %s\r\n",
no2chem	0:83f7908c81b1	183	inet_ntoa((struct in_addr)&(netif->ip_addr)));
no2chem	0:83f7908c81b1	184
no2chem	0:83f7908c81b1	185	printf("Starting Web Server...\r\n");
no2chem	0:83f7908c81b1	186
no2chem	0:83f7908c81b1	187	/* Bind a function to a tcp port */
no2chem	0:83f7908c81b1	188	struct tcp_pcb *pcb = tcp_new();
no2chem	0:83f7908c81b1	189	if (tcp_bind(pcb, IP_ADDR_ANY, 80) == ERR_OK) {
no2chem	0:83f7908c81b1	190	pcb = tcp_listen(pcb);
no2chem	0:83f7908c81b1	191	tcp_accept(pcb, &accept_callback);
no2chem	0:83f7908c81b1	192	}
no2chem	0:83f7908c81b1	193
no2chem	0:83f7908c81b1	194	printf("Waiting for connection...\r\n");
no2chem	0:83f7908c81b1	195	while(1) {
no2chem	0:83f7908c81b1	196	device_poll();
no2chem	0:83f7908c81b1	197	ledLink = ethernet.link();
no2chem	0:83f7908c81b1	198	}
no2chem	0:83f7908c81b1	199	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	21 Jan 2010
Imports:	1164
Forks:	1
Commits:	1
Dependents:	0
Dependencies:	2
Followers:	19

main.cpp@0:83f7908c81b1, 2010-01-21 (annotated)

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