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【背景】 「ネットワークが物理的に接続されていることを確かめたい．」というニーズで製作した．． 【動作】 mbedのローカルに保存されたIPアドレスに，他のPC等からpingを打つと，mbedはpong返す． ファイルに書かれた各アドレスは，外部のボタン（設定，左，下，上，右）で編集可能である． ただし，編集後のIPアドレスでpingを返すためには，mbedを再起動させる必要がある．（なぜか） 【ハードウェア】 ☆board Orange の他に，タクトスイッチをプルアップで5つ使用している．
Dependencies: EthernetNetIf TextLCD mbed
Diff: main.cpp
- Revision:
- 0:1eb068a97a7f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Jun 12 04:56:03 2012 +0000
@@ -0,0 +1,314 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+//#include "HTTPServer.h"
+#include "TextLCD.h"
+#include "mbedServer.h"
+
+EthernetNetIf *eth;
+IpAddr ipaddr, netmask, gateway, nameserver;
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut power(p10);
+
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs, e, d0-d3
+LocalFileSystem local("local");
+
+char word[4][16] = {"IPAddress","NetworkMask", "Gateway", "DomainName"};
+int ipe[4][12]={{0},{0},{0},{0}};
+
+
+void ipe_print(int mode){
+ lcd.locate(0,1);
+ lcd.printf("%1d%1d%1d.%1d%1d%1d.%1d%1d%1d.%1d%1d%1d",
+ ipe[mode][0],ipe[mode][1],ipe[mode][2],
+ ipe[mode][3],ipe[mode][4],ipe[mode][5],
+ ipe[mode][6],ipe[mode][7],ipe[mode][8],
+ ipe[mode][9],ipe[mode][10],ipe[mode][11]);
+};
+
+
+void ipe_input(int mode, int ip0, int ip1, int ip2, int ip3){
+ int tmp[4]={ip0, ip1, ip2, ip3};
+
+ ipe[mode][2] = tmp[0]%10; tmp[0]=tmp[0]/10; // 1keta
+ ipe[mode][1] = tmp[0]%10; tmp[0]=tmp[0]/10; // 2keta
+ ipe[mode][0] = tmp[0]%10; tmp[0]=tmp[0]/10; // 3keta
+
+ ipe[mode][5] = tmp[1]%10; tmp[1]=tmp[1]/10; // 1keta
+ ipe[mode][4] = tmp[1]%10; tmp[1]=tmp[1]/10; // 2keta
+ ipe[mode][3] = tmp[1]%10; tmp[1]=tmp[1]/10; // 3keta
+
+ ipe[mode][8] = tmp[2]%10; tmp[2]=tmp[2]/10; // 1keta
+ ipe[mode][7] = tmp[2]%10; tmp[2]=tmp[2]/10; // 2keta
+ ipe[mode][6] = tmp[2]%10; tmp[2]=tmp[2]/10; // 3keta
+
+ ipe[mode][11] = tmp[3]%10; tmp[3]=tmp[3]/10; // 1keta
+ ipe[mode][10] = tmp[3]%10; tmp[3]=tmp[3]/10; // 2keta
+ ipe[mode][9] = tmp[3]%10; tmp[3]=tmp[3]/10; // 3keta
+
+}
+
+
+int config_write(char filename[32]){
+ FILE *conf_fp;
+ int i, j;
+ int ip;
+ char str[32];
+
+ sprintf(str,"/local/%s",filename);
+ conf_fp = fopen(str,"w");
+
+ if(NULL == conf_fp){
+ lcd.printf("File access error");
+ return -1;
+ }
+
+ for(i=0; i<4; i++){
+ fprintf(conf_fp,"%s ",word[i]);
+
+ for(j=0; j<12; j= j+3){
+ ip = 100*ipe[i][j] + 10*ipe[i][j+1] + ipe[i][j+2];
+ fprintf(conf_fp,"%3d,",ip);
+ }
+ fprintf(conf_fp,"\n");
+ }
+
+ fclose(conf_fp);
+ return 0;
+}
+
+
+
+int config_read(char filename[32]){
+ FILE *conf_fp;
+ char buf[80], name[16];
+ char str[32];
+ int ip0, ip1, ip2, ip3;
+
+ sprintf(str,"/local/%s",filename);
+ conf_fp = fopen(str,"r");
+
+ if(NULL == conf_fp){
+ lcd.printf("File access error");
+ wait(2);
+ return -1;
+ }else{;}
+
+ while(fgets(buf,sizeof(buf),conf_fp) != NULL){
+ lcd.cls(); //debug
+ if(sscanf(buf, "%s %d,%d,%d,%d", name, &ip0, &ip1, &ip2, &ip3) == 0){
+ lcd.printf("error...");
+ return -1;
+ }else{;}
+
+ if(strcmp(name,word[0])==0){
+ /* debug */
+ lcd.printf("IP Address\n");
+ lcd.printf("%d.%d.%d.%d.",ip0, ip1, ip2, ip3);
+ ipaddr = IpAddr(ip0, ip1, ip2, ip3);
+ ipe_input( 0, ip0, ip1, ip2, ip3);
+ }else{;}
+
+ if(strcmp(name,word[1])==0){
+ /* debug */
+ lcd.printf("NetworkMask\n");
+ lcd.printf("%d.%d.%d.%d.",ip0, ip1, ip2, ip3);
+ netmask = IpAddr(ip0, ip1, ip2, ip3);
+ ipe_input( 1, ip0, ip1, ip2, ip3);
+ }else{;}
+
+ if(strcmp(name,word[2])==0){
+ /* debug */
+ lcd.printf("Gateway\n");
+ lcd.printf("%d.%d.%d.%d.",ip0, ip1, ip2, ip3);
+ gateway = IpAddr(ip0, ip1, ip2, ip3);
+ ipe_input( 2, ip0, ip1, ip2, ip3);
+
+ }else{;}
+
+ if(strcmp(name,word[3])==0){
+ /* debug */
+ lcd.printf("Domain Name\n");
+ lcd.printf("%d.%d.%d.%d.",ip0, ip1, ip2, ip3);
+ nameserver = IpAddr(ip0, ip1, ip2, ip3);
+ ipe_input( 3, ip0, ip1, ip2, ip3);
+ }else{;}
+ };
+
+ fclose(conf_fp);
+ return 0;
+}
+
+
+int ip_setup(){
+ lcd.cls();
+ lcd.printf("Setup...\n");
+ /* debug */
+ lcd.cls(); lcd.locate(0,0);
+ lcd.printf("ipaddr\n");
+ lcd.printf("%3d,%3d,%3d,%3d", (int)ipaddr[0], (int)ipaddr[1], (int)ipaddr[2], (int)ipaddr[3]);
+ wait(2);
+ lcd.cls(); lcd.locate(0,0);
+ lcd.printf("netmask\n");
+ lcd.printf("%3d,%3d,%3d,%3d", (int)netmask[0], (int)netmask[1], (int)netmask[2], (int)netmask[3]);
+ wait(2);
+ lcd.cls(); lcd.locate(0,0);
+ lcd.printf("gateway\n");
+ lcd.printf("%3d,%3d,%3d,%3d", (int)gateway[0], (int)gateway[1], (int)gateway[2], (int)gateway[3]);
+ wait(2);
+ lcd.cls(); lcd.locate(0,0);
+ lcd.printf("nameserver\n");
+ lcd.printf("%3d,%3d,%3d,%3d", (int)nameserver[0], (int)nameserver[1], (int)nameserver[2], (int)nameserver[3]);
+ wait(2);
+
+
+ if (ipaddr[0] == 255) {
+ // dhcp ip address
+ eth = new EthernetNetIf;
+ }else{
+ // static ip address
+ eth = new EthernetNetIf(ipaddr, netmask, gateway, nameserver);
+ }
+ EthernetErr ethErr = eth->setup();
+
+ if(ethErr){
+ lcd.cls();
+ lcd.printf("Error %d in setup.", ethErr);
+ return -1;
+ }else{;}
+ return 0;
+
+}
+
+
+int edit(){
+ int mode = -1;
+ int i = 0, j= 0;
+ int mode_buf,i_buf;
+
+ Leftkey.rise(&LeftClick);
+ Downkey.rise(&DownClick);
+ Upkey.rise(&UpClick);
+ Rightkey.rise(&RightClick);
+
+
+ while(Set.num > 0 ){
+ mode_buf = mode;
+ i_buf = i;
+
+ lcd.cls();
+ lcd.locate(15,0); lcd.printf("%d",Set.num);
+ mode = Set.num - 1;
+ if(mode != mode_buf){
+ Right.num = 0;
+ Left.num = 0;
+ }else{;}
+
+ i = (Right.num - Left.num)%12;
+ if(i < 0){
+ i = 12 +i;
+ }else{;}
+ if(mode != mode_buf || i != i_buf){
+ Down.num =0;
+ Up.num = ipe[mode][i];
+ }else{;}
+
+ j = (Up.num - Down.num)%10;
+ if(j < 0){
+ j = 10 +j;
+ }else{;}
+
+ if(mode == 0){
+ lcd.locate(0,0); lcd.printf("IP Address");
+ ipe[mode][i] = j;
+ }else if(mode == 1){
+ lcd.locate(0,0); lcd.printf("Network Mask");
+ ipe[mode][i] = j;
+ }else if(mode == 2){
+ lcd.locate(0,0); lcd.printf("Gateway");
+ ipe[mode][i] = j;
+ }else if(mode == 3){
+ lcd.locate(0,0); lcd.printf("Domain Name");
+ ipe[mode][i] = j;
+ }else{
+ Set.num = 0;
+ break;
+ }
+
+ ipe_print(mode);
+ wait(0.1);
+ }
+ /* debug */
+ lcd.locate(0,0); lcd.printf("Edit done");
+ wait(1);
+ return 0;
+}
+
+
+int main() {
+ int i=0;
+ char filename[32];
+
+
+ lcd.printf("Setting up...");
+ Set.num = 0;
+ Left.num = 0;
+ Right.num = 0;
+ Down.num = 0;
+ Up.num = 0;
+ power = 1;
+
+ sprintf(filename,"IPCONFIG.TXT");
+ if(config_read(filename) != 0){
+ return -1;
+ };
+
+ if(ip_setup() != 0){
+ return -1;
+ }else{;}
+
+ lcd.cls();
+ lcd.printf("Setup OK");
+
+ IpAddr ip = eth->getIp() ;
+
+ lcd.cls();
+ lcd.printf("IP Address\n");
+ lcd.printf("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
+
+ Setkey.rise(&SetClick);
+
+ //Listen indefinitely
+ do{
+ Net::poll();
+ if(i>5){
+ led1=!led1; //Show that we are alive
+ i = 0;
+ }else{
+ i++;
+ }
+
+ /* Settei mode*/
+ if(Set.num >= 1){
+ led2 = 1;
+ if(edit()!= 0){
+ return -1;
+ }else{;}
+
+ if(config_write(filename) != 0){
+ return -1;
+ }else{;}
+
+ break;
+ }
+ wait(0.1);
+ }while(1);
+
+ led2 = 0;
+ lcd.cls(); lcd.locate(0,0);
+ lcd.printf("Please restart.\n");
+
+ return 0;
+}
\ No newline at end of file