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Test program for BoB3 breakout board. Refer to my Notebook page for further details and contact info.
main.cpp
- Committer:
- paulg
- Date:
- 2010-04-06
- Revision:
- 0:788d8ebe64b5
File content as of revision 0:788d8ebe64b5:
/* Test program for BoB3 breakout board * Paul Griffith * Last edit: 29 Jan 2010 */ #include "mbed.h" #include "SDFileSystem.h" #include "lwip/opt.h" #include "lwip/stats.h" #include "lwip/sys.h" #include "lwip/pbuf.h" #include "lwip/udp.h" #include "lwip/tcp.h" #include "lwip/dns.h" #include "lwip/dhcp.h" #include "lwip/init.h" #include "lwip/netif.h" #include "netif/etharp.h" #include "netif/loopif.h" #include "device.h" void printhelps(void); void listdir(void); void printfile(char *); void bad_args(void); int exist(char *); int eth_test(void); Serial pc(USBTX, USBRX); SDFileSystem sd(p5, p6, p7, p8, "sd"); DigitalOut led1(p25), led2(p26), led3(p27), led4(p28), led5(p29), led6(p30); int main() { char buf[120], *cp; char arg1[50], arg2[50], arg3[50], filename[20]; int argc, cnt = 0, i, j, k, l; FILE *fp; time_t seconds; struct tm t; printf("BoB3 test program\n"); printf("Type ? for help\n"); while (1) { printf("> "); cp = buf; while ( (*cp++ = putchar(getchar())) != '\r') ; //get a line of input *cp = '\0'; //terminate buffer printf("\n"); argc = sscanf(buf, "%s%s%s", arg1, arg2, arg3); //extract command and arguments if (argc < 1) continue; switch (arg1[0]) { case 'c': //create file on uSD card if (argc != 2) { bad_args(); break; } sprintf(filename, "/sd/%s", arg2); if (exist(filename) == 1) { printf("File already exists\n"); break; } fp = fopen(filename, "w"); if (fp == 0) { printf("Unable to create file\n"); } else { printf("File created\n"); seconds = time(NULL); fprintf(fp, "Hello world, the time is %s\n", ctime(&seconds)); fclose(fp); } break; case 'd': //delete file on uSD card if (argc != 2) { bad_args(); break; } sprintf(filename, "/sd/%s", arg2); if (exist(filename) == 0) printf("File does not exist\n"); else { remove(filename); printf("File deleted\n"); } break; case 'e': //test Ethernet status LEDS if (argc == 1) i = 0; else sscanf(arg2, "%d", &i); switch (i) { case 0: led1 = 1; wait(1.0); led1 = 0; wait(1.0); led2 = 1; wait(1.0); led2 = 0; break; case 1: led3 = 1; wait(1.0); led3 = 0; wait(1.0); led4 = 1; wait(1.0); led4 = 0; break; case 2: led5 = 1; wait(1.0); led5 = 0; wait(1.0); led6 = 1; wait(1.0); led6 = 0; break; } break; case 'E': //run Ethernet test printf("Reset mbed to exit Ethernet test\n"); i = eth_test(); printf("Ethernet test returned %d\n", i); break; case 'l': //list uSD card directory listdir(); break; case 'p': //print uSD card file if (argc != 2) { bad_args(); break; } sprintf(filename, "/sd/%s", arg2); if (exist(filename) == 0) printf("File does not exist\n"); else printfile(filename); break; case 'q': //quit exit(1); break; case 't': //print current time and date seconds = time(NULL); printf("Current time = %s\n", ctime(&seconds)); break; case 'T': //set time and date sscanf(buf, "%c %d %d %d %d %d", &i, &t.tm_hour, &t.tm_min, &t.tm_mday, &t.tm_mon, &t.tm_year); // adjust for tm structure required values t.tm_year = t.tm_year - 1900; t.tm_mon = t.tm_mon - 1; t.tm_sec = 0; // printf("tm = %d %d %d %d %d %d %d\n", t.tm_hour, t.tm_min, t.tm_sec, t.tm_mday, t.tm_mon, t.tm_year); // set the time set_time(mktime(&t)); break; case 'U': //run USB test printf("Any ideas folks?\n"); break; case '?': //print help printhelps(); break; default: printf("?? Unknown command\n"); break; } } } //Command functions void printhelps(void) { printf("Command summary:\n"); printf("c filename create a file on uSD card\n"); printf("d filename delete a file on uSD card\n"); printf("e pins test Ethernet status LEDs (pins = 0-2)\n"); printf("E run Ethernet test (reset mbed to exit)\n"); printf("l list directory of uSD card\n"); printf("p filename print file on uSD card to stdout\n"); printf("q quit\n"); printf("t print current time and date\n"); printf("T h m d m y set RTC time and date\n"); printf("U run USB device test\n"); printf("? print help\n"); } void listdir(void) { DIR *d; struct dirent *p; d = opendir("/sd"); if (d != NULL) { while ((p = readdir(d)) != NULL) { printf(" - %s\n", p->d_name); } } else { printf("Could not open directory!\n"); } closedir(d); } void printfile(char *name) { char buf[80], *cp; FILE *fp; fp = fopen(name, "r"); while (1) { cp = fgets(buf, sizeof(buf), fp); if (cp == NULL) break; if ( (cp = strchr(buf, '\n')) ) *cp = '\0'; //trim trailing \n because puts(buf); //puts will convert terminator to \n } fclose(fp); } //Support functions void bad_args(void) { printf("?? Bad arguments\n"); } int exist(char *name) { FILE *fp; fp = fopen(name, "r"); if (fp != NULL) fclose(fp); return ((fp == NULL) ? 0 : 1); } //Ethernet test stuff (based on Michael Wei's Ethernet Tester program) Ethernet ethernet; DigitalOut ledLink(p25); DigitalOut ledSpeed(p26); DigitalOut ledStage0(LED1); DigitalOut ledStage1(LED2); DigitalOut ledStage2(LED3); DigitalOut ledTCP80(LED4); DigitalIn phyLink(P1_25); DigitalIn phySpeed(P1_26); volatile char stage = 0; Ticker stage_blinker; struct netif netif_data; const char testPage[] = "HTTP/1.1 200 OK\r\n" "Content-Type: text/html\r\n" "Connection: Close\r\n\r\n" "<html>" "<head>" "<title>mbed test page</title>" "<style type='text/css'>" "body{font-family:'Arial, sans-serif', sans-serif;font-size:.8em;background-color:#fff;}" "</style>" "</head>" "<body>%s</body></html>\r\n\r\n"; char buffer[1024]; char temp[1024]; err_t recv_callback(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) { struct netif *netif = &netif_data; ledTCP80 = true; 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))); char *data; /* Check if status is ok and data is arrived. */ if (err == ERR_OK && p != NULL) { /* Inform TCP that we have taken the data. */ tcp_recved(pcb, p->tot_len); data = static_cast<char *>(p->payload); /* If the data is a GET request we can handle it. */ if (strncmp(data, "GET ", 4) == 0) { printf("Handling GET request...\r\n"); printf("Request:\r\n%s\r\n", data); //generate the test page time_t seconds = time(NULL); sprintf(temp, "<h1>Congratulations!</h1>If you can see this page, your mbed is working properly." "<h2>mbed Configuration</h2>" "mbed RTC time:%s<br/>" "mbed HW address: %02x:%02x:%02x:%02x:%02x:%02x<br/>" "mbed IP Address: %s<br/>", ctime(&seconds), (char*) netif->hwaddr[0], (char*) netif->hwaddr[1], (char*) netif->hwaddr[2], (char*) netif->hwaddr[3], (char*) netif->hwaddr[4], (char*) netif->hwaddr[5], inet_ntoa(*(struct in_addr*)&(netif->ip_addr)) ); sprintf(buffer, testPage, temp); if (tcp_write(pcb, (void *)buffer, strlen(buffer), 1) == ERR_OK) { tcp_output(pcb); printf("Closing connection...\r\n"); tcp_close(pcb); } } else { printf("Non GET request...\r\nRequest:\r\n%s\r\n", data); } pbuf_free(p); } else { /* No data arrived */ /* That means the client closes the connection and sent us a packet with FIN flag set to 1. */ /* We have to cleanup and destroy out TCPConnection. */ printf("Connection closed by client.\r\n"); pbuf_free(p); } /* Don't panic! Everything is fine. */ ledTCP80 = false; return ERR_OK; } /* Accept an incomming call on the registered port */ err_t accept_callback(void *arg, struct tcp_pcb *npcb, err_t err) { LWIP_UNUSED_ARG(arg); /* Subscribe a receive callback function */ tcp_recv(npcb, &recv_callback); /* Don't panic! Everything is fine. */ return ERR_OK; } void stageblinker() { switch (stage) { case 0: ledStage0 = !ledStage0; ledStage1 = false; ledStage2 = false; break; case 1: ledStage0 = true; ledStage1 = !ledStage1; ledStage2 = false; break; case 2: ledStage0 = true; ledStage1 = true; ledStage2 = true; stage_blinker.detach(); break; } } int eth_test() { printf("mBed Ethernet Tester 1.0\r\nStarting Up...\r\n"); stage = 0; struct netif *netif = &netif_data; struct ip_addr ipaddr; struct ip_addr netmask; struct ip_addr gateway; Ticker tickFast, tickSlow, tickARP, eth_tick, dns_tick, dhcp_coarse, dhcp_fine; stage_blinker.attach_us(&stageblinker, 1000*500); char *hostname = "my-mbed"; printf("Configuring device for DHCP...\r\n"); /* Start Network with DHCP */ IP4_ADDR(&netmask, 255,255,255,255); IP4_ADDR(&gateway, 0,0,0,0); IP4_ADDR(&ipaddr, 0,0,0,0); /* Initialise after configuration */ lwip_init(); netif->hwaddr_len = ETHARP_HWADDR_LEN; device_address((char *)netif->hwaddr); netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, device_init, ip_input); netif->hostname = hostname; netif_set_default(netif); dhcp_start(netif); // <-- Use DHCP /* Initialise all needed timers */ tickARP.attach_us( ðarp_tmr, ARP_TMR_INTERVAL * 1000); tickFast.attach_us(&tcp_fasttmr, TCP_FAST_INTERVAL * 1000); tickSlow.attach_us(&tcp_slowtmr, TCP_SLOW_INTERVAL * 1000); dns_tick.attach_us(&dns_tmr, DNS_TMR_INTERVAL * 1000); dhcp_coarse.attach_us(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_MSECS * 1000); dhcp_fine.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000); stage = 1; while (!netif_is_up(netif)) { ledLink = ethernet.link(); ledSpeed = !phySpeed; device_poll(); } /* while (!(netif->dhcp->state == DHCP_BOUND || netif->dhcp->state == DHCP_PERMANENT)) { ledLink = ethernet.link(); device_poll(); //printf("Waiting for DHCP response, state = %d\r\n", netif->dhcp->state); //wait_ms(100); } */ stage = 2; printf("Interface is up, local IP is %s\r\n", inet_ntoa(*(struct in_addr*)&(netif->ip_addr))); printf("Starting Web Server...\r\n"); /* Bind a function to a tcp port */ struct tcp_pcb *pcb = tcp_new(); if (tcp_bind(pcb, IP_ADDR_ANY, 80) == ERR_OK) { pcb = tcp_listen(pcb); tcp_accept(pcb, &accept_callback); } printf("Waiting for connection...\r\n"); while(1) { device_poll(); ledLink = ethernet.link(); ledSpeed = !phySpeed; } }