老 姚
embedded Web site ，files store on SD card
Diff: main.cpp
- Revision:
- 0:9f5b2dd88884
diff -r 000000000000 -r 9f5b2dd88884 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Thu Apr 19 13:36:33 2018 +0000
@@ -0,0 +1,222 @@
+
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "TCPServer.h"
+#include "TCPSocket.h"
+#include "SDBlockDevice.h"
+#include "FATFileSystem.h"
+#include <stdio.h>
+#include <string.h>
+#define HTTPD_SERVER_PORT 80
+#define HTTPD_MAX_REQ_LENGTH 1024
+#define HTTPD_MAX_HDR_LENGTH 255
+#define HTTPD_MAX_FNAME_LENGTH 127
+#define HTTPD_MAX_DNAME_LENGTH 127
+static const char* mbedIp = "192.168.11.102"; //IP
+static const char* mbedMask = "255.255.255.0"; // Mask
+static const char* mbedGateway = "192.168.11.1"; //Gateway
+char buffer[HTTPD_MAX_REQ_LENGTH+1];
+char httpHeader[HTTPD_MAX_HDR_LENGTH+1];
+char fileName[HTTPD_MAX_FNAME_LENGTH+1];
+char dirName[HTTPD_MAX_DNAME_LENGTH+1];
+char *uristr;
+char *eou;
+char *qrystr;
+DigitalOut myled(PF_12);
+TCPServer server;
+TCPSocket client;
+SocketAddress client_addr;
+SDBlockDevice sd(PC_12,PC_11,PC_10,PC_9,40000000,40000000);
+ FATFileSystem fs("sd", &sd);
+ Mutex sd_mutex;
+void geturistr(char *reqstr,char * uri,int n)
+ { int i;
+ char * p;
+
+ p=uri;
+ i=0;
+ while(i<n)
+ {
+ if (*p=='/') i++;
+ p++;
+
+ }
+ while((*p!='/')&&(*p!=0))
+ *reqstr++=*p++;
+ *reqstr=0x00;
+
+ }
+int getparamName(char *name,char * params)
+{ int i=0;
+char *p;
+char *n;
+p=params;
+n=name;
+ while(*p!='=')
+ {
+ *n++=*p++;
+ i++;
+ }
+ *n=0x00;
+ i++;
+ return i;
+}
+int getparamValue(char *value,char * param)
+{ int i=0;
+char *p;
+char *v;
+p=param;
+v=value;
+ while((*p!='&')&&(*p!=0x00))
+ {
+ *v++=*p++;
+ i++;
+ }
+ *v=0x00;
+ return i;
+}
+bool response_File(char * filename,const char *type)
+{int n;
+ FILE *fp = fopen(filename, "r");
+ if (fp==NULL) return false;
+if (strcmp(type,"text/css")||strcmp(type,"text/javascript"))
+ sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: %s\r\nCache-Control: max-age=2592000, public\r\n\r\n",type);
+ else
+ sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: %s\r\n",type);
+
+ client.send(httpHeader,strlen(httpHeader));
+ // sd_mutex.lock();
+
+ n=1024;
+ while (n == 1024) {
+ n = fread(buffer, sizeof( char ), 1024, fp);
+ client.send(buffer, n);
+ }
+ fclose(fp);
+ // sd_mutex.unlock();
+ return true;
+ }
+ void getEXT( char *ext,char * fileName)
+ {
+ char *f;
+ char *e;
+e=ext;
+f=fileName;
+while(*f!='.')
+ f++;
+ f++;
+ while(*f!=0x00)
+ *e++=*f++;
+ *e=0x00;
+ }
+
+int main()
+{ char fileName[32];
+ char reqstr[32];
+ char temp[32];
+ char ext[8];
+ char *params;
+ bool res;
+ printf("Basic HTTP server example\n");
+ EthernetInterface eth;
+ eth.set_network(mbedIp,mbedMask,mbedGateway);
+ eth.connect();
+ printf("The target IP address is '%s'\n", eth.get_ip_address());
+ /* Open the server on ethernet stack */
+ server.open(ð);
+
+ /* Bind the HTTP port (TCP 80) to the server */
+ server.bind(eth.get_ip_address(), 80);
+
+ /* Can handle 5 simultaneous connections */
+ server.listen(8);
+ myled=1;
+ while (true) {
+ server.accept(&client, &client_addr);
+ // client.set_blocking(true);
+ printf("Connection from: %s\r\n", client_addr.get_ip_address());
+ // while (true) {
+ int n = client.recv(buffer, sizeof(buffer));
+ // if (n <= 0) break;
+ if (strncmp(buffer, "GET ", 4)==0)
+ {
+ uristr = buffer + 4;
+ eou = strstr(uristr, " ");
+ *eou = 0;
+ geturistr(reqstr,uristr,1);
+ printf("request=%s+\n",uristr);
+ if (strcmp(reqstr,"index")==0){ //GET index.html
+ // printf("OK\n");
+ res= response_File("/sd/views/index.html","text/html");
+ } else
+ if (strcmp(reqstr,"images")==0){ //GET images
+ geturistr(reqstr,uristr,2);
+ // printf("image name%s\n",reqstr);
+ strcpy(fileName,"/sd/images/");
+ strcat(fileName,reqstr);
+ // printf("filename=%s\n",fileName);
+ getEXT(ext,fileName);
+ strcpy(temp,"image/");
+ strcat(temp,ext);
+ res= response_File(fileName,temp);
+ }else
+ if (strcmp(reqstr,"css")==0){ //GET css
+ geturistr(reqstr,uristr,2);
+ strcpy(fileName,"/sd/css/");
+ strcat(fileName,reqstr);
+ response_File(fileName,"text/css");
+ } else
+ if (strcmp(reqstr,"js")==0){ //GET js
+ geturistr(reqstr,uristr,2);
+ strcpy(fileName,"/sd/js/");
+ strcat(fileName,reqstr);
+ res= response_File(fileName,"text/javascript");
+ } else
+ // if (strcmp(reqstr,"views")==0){ //GET js
+ {
+ // geturistr(reqstr,uristr,2);
+ strcpy(fileName,"/sd/views/");
+ strcat(fileName,reqstr);
+ // strcat(fileName,".html");
+ printf("fileName=%s\n",fileName);
+ res= response_File(fileName,"text/html");
+
+ }
+ if (!res)
+ {
+ sprintf(httpHeader,"HTTP/1.1 404 Not Found\r\nContent-Type: text/html\r\n");
+ client.send(httpHeader,strlen(httpHeader));
+ client.send("Page not found!\n",16);
+ }
+ } else
+ if (strncmp(buffer, "PUT ", 4)==0){
+ uristr = buffer + 4;
+ eou = strstr(uristr, " ");
+ *eou = 0;
+ geturistr(reqstr,uristr,1);
+ printf("PUT%s+\n",uristr);
+ if (strcmp(reqstr,"LEDControl")==0){
+ geturistr(reqstr,uristr,2);
+ printf("%s\n",reqstr);
+ params= reqstr ;
+ int n=getparamName(temp, params);
+ printf("name=%s\n",temp);
+ params=params+n;
+ n=getparamValue(temp,params);
+ printf("val=%s\n",temp);
+ if (strcmp(temp,"1")==0)
+ { myled=1;}
+ else {myled=0;}
+ sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n");
+ client.send(httpHeader,strlen(httpHeader));
+ client.send("OK\n",3);
+ }
+ }else {
+ sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n");
+ client.send(httpHeader,strlen(httpHeader));
+ client.send("BAD The World!\n",15);
+ }
+ // }
+ client.close();
+ }
+}