Paul Griffith
Test program for BoB3 breakout board. Refer to my Notebook page for further details and contact info.
Diff: main.cpp
- Revision:
- 0:788d8ebe64b5
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Apr 06 17:08:41 2010 +0000
@@ -0,0 +1,444 @@
+/* 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;
+ }
+}