HTTP SD Card File Server
Dependencies: SDFileSystem WIZnetInterface mbed
Fork of HTTP_SD_Server_K64F by
Prerequisite
This Program is the example how to show SD card file list with web-browser for WIZwiki-W7500.
To implement this function, you need a Platform board, network Interface board and SD card. Below are what we used.
- WIZwiki-W7500 from WIZnet (Platform board and Ethernet I/F board)
- SD card
Hardware Configuration
WIZwiki-W7500 Pin map
Software
SPI Initialization
main.cpp
SDFileSystem sd(PB_3, PB_2, PB_1, PB_0, "sd");
Refer to ....
- Wiki : /teams/WIZnet/code/HTTP_SDCard_File_Server_WIZwiki-W7500/wiki/HTTP_SDCard_File_Server_WIZwiki-W7500
- Korean Version : http://midnightcow.tistory.com/category/위즈네트/WIZwiki-W7500
main.cpp@9:d0615c97295e, 2015-07-30 (annotated)
- Committer:
- MidnightCow
- Date:
- Thu Jul 30 02:21:13 2015 +0000
- Revision:
- 9:d0615c97295e
- Parent:
- 8:4b43259a1e33
Test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gsteiert | 0:28bc7ce77e20 | 1 | #include "mbed.h" |
gsteiert | 0:28bc7ce77e20 | 2 | #include "EthernetInterface.h" |
gsteiert | 0:28bc7ce77e20 | 3 | #include "SDFileSystem.h" |
gsteiert | 0:28bc7ce77e20 | 4 | #include <stdio.h> |
gsteiert | 0:28bc7ce77e20 | 5 | #include <string.h> |
gsteiert | 0:28bc7ce77e20 | 6 | |
MidnightCow | 8:4b43259a1e33 | 7 | |
MidnightCow | 8:4b43259a1e33 | 8 | #define MAC "\x00\x08\xDC\x11\x34\x78" |
MidnightCow | 8:4b43259a1e33 | 9 | #define IP "192.168.77.100" |
MidnightCow | 8:4b43259a1e33 | 10 | #define MASK "255.255.255.0" |
MidnightCow | 8:4b43259a1e33 | 11 | #define GATEWAY "192.168.77.1" |
MidnightCow | 8:4b43259a1e33 | 12 | |
gsteiert | 0:28bc7ce77e20 | 13 | #define HTTPD_SERVER_PORT 80 |
gsteiert | 0:28bc7ce77e20 | 14 | #define HTTPD_MAX_REQ_LENGTH 1023 |
gsteiert | 0:28bc7ce77e20 | 15 | #define HTTPD_MAX_HDR_LENGTH 255 |
gsteiert | 0:28bc7ce77e20 | 16 | #define HTTPD_MAX_FNAME_LENGTH 127 |
gsteiert | 3:4f71a37a1ed2 | 17 | #define HTTPD_MAX_DNAME_LENGTH 127 |
gsteiert | 3:4f71a37a1ed2 | 18 | |
gsteiert | 3:4f71a37a1ed2 | 19 | Serial uart(USBTX, USBRX); |
gsteiert | 0:28bc7ce77e20 | 20 | |
gsteiert | 6:ca17ce165ebc | 21 | //SDFileSystem sd(p5, p6, p7, p8, "sd"); // LPC1768 MBD2PMD |
gsteiert | 5:27b09a0f3fb6 | 22 | //SDFileSystem sd(P0_18, P0_17, P0_15, P0_16, "sd"); // Seeeduino Arch Pro SPI2SD |
MidnightCow | 8:4b43259a1e33 | 23 | //SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); // K64F |
MidnightCow | 8:4b43259a1e33 | 24 | SDFileSystem sd(PB_3, PB_2, PB_1, PB_0, "sd"); // WIZwiki-W7500 |
gsteiert | 3:4f71a37a1ed2 | 25 | |
gsteiert | 0:28bc7ce77e20 | 26 | EthernetInterface eth; |
gsteiert | 0:28bc7ce77e20 | 27 | TCPSocketServer server; |
gsteiert | 0:28bc7ce77e20 | 28 | TCPSocketConnection client; |
gsteiert | 0:28bc7ce77e20 | 29 | |
gsteiert | 0:28bc7ce77e20 | 30 | char buffer[HTTPD_MAX_REQ_LENGTH+1]; |
gsteiert | 0:28bc7ce77e20 | 31 | char httpHeader[HTTPD_MAX_HDR_LENGTH+1]; |
gsteiert | 3:4f71a37a1ed2 | 32 | char fileName[HTTPD_MAX_FNAME_LENGTH+1]; |
gsteiert | 3:4f71a37a1ed2 | 33 | char dirName[HTTPD_MAX_DNAME_LENGTH+1]; |
gsteiert | 0:28bc7ce77e20 | 34 | char *uristr; |
gsteiert | 0:28bc7ce77e20 | 35 | char *eou; |
gsteiert | 0:28bc7ce77e20 | 36 | char *qrystr; |
gsteiert | 0:28bc7ce77e20 | 37 | |
gsteiert | 0:28bc7ce77e20 | 38 | FILE *fp; |
gsteiert | 0:28bc7ce77e20 | 39 | int rdCnt; |
gsteiert | 0:28bc7ce77e20 | 40 | |
MidnightCow | 8:4b43259a1e33 | 41 | DigitalOut led1(LED1); //server listning status |
MidnightCow | 8:4b43259a1e33 | 42 | DigitalOut led2(LED2); //socket connecting status |
MidnightCow | 8:4b43259a1e33 | 43 | |
MidnightCow | 8:4b43259a1e33 | 44 | Ticker ledTick; |
MidnightCow | 8:4b43259a1e33 | 45 | |
MidnightCow | 8:4b43259a1e33 | 46 | void ledTickfunc() |
MidnightCow | 8:4b43259a1e33 | 47 | { |
MidnightCow | 8:4b43259a1e33 | 48 | led1 = !led1; |
MidnightCow | 8:4b43259a1e33 | 49 | } |
MidnightCow | 8:4b43259a1e33 | 50 | |
MidnightCow | 8:4b43259a1e33 | 51 | |
MidnightCow | 8:4b43259a1e33 | 52 | |
gsteiert | 0:28bc7ce77e20 | 53 | void get_file(char* uri) |
gsteiert | 0:28bc7ce77e20 | 54 | { |
gsteiert | 3:4f71a37a1ed2 | 55 | uart.printf("get_file %s\n", uri); |
gsteiert | 0:28bc7ce77e20 | 56 | char *lstchr = strrchr(uri, NULL) -1; |
gsteiert | 0:28bc7ce77e20 | 57 | if ('/' == *lstchr) { |
gsteiert | 3:4f71a37a1ed2 | 58 | uart.printf("Open directory /sd%s\n", uri); |
gsteiert | 0:28bc7ce77e20 | 59 | *lstchr = 0; |
gsteiert | 3:4f71a37a1ed2 | 60 | sprintf(fileName, "/sd%s", uri); |
gsteiert | 3:4f71a37a1ed2 | 61 | DIR *d = opendir(fileName); |
gsteiert | 0:28bc7ce77e20 | 62 | if (d != NULL) { |
gsteiert | 0:28bc7ce77e20 | 63 | sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 64 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 3:4f71a37a1ed2 | 65 | sprintf(httpHeader,"<html><head><title>Directory Listing</title></head><body><h1>%s Directory Listing</h1><ul>", uri); |
gsteiert | 0:28bc7ce77e20 | 66 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 67 | struct dirent *p; |
gsteiert | 0:28bc7ce77e20 | 68 | while((p = readdir(d)) != NULL) { |
gsteiert | 3:4f71a37a1ed2 | 69 | sprintf(dirName, "%s/%s", fileName, p->d_name); |
gsteiert | 3:4f71a37a1ed2 | 70 | uart.printf("%s\n", dirName); |
gsteiert | 3:4f71a37a1ed2 | 71 | DIR *subDir = opendir(dirName); |
gsteiert | 3:4f71a37a1ed2 | 72 | if (subDir != NULL) { |
gsteiert | 3:4f71a37a1ed2 | 73 | sprintf(httpHeader,"<li><a href=\"./%s/\">%s/</a></li>", p->d_name, p->d_name); |
gsteiert | 3:4f71a37a1ed2 | 74 | } else { |
gsteiert | 3:4f71a37a1ed2 | 75 | sprintf(httpHeader,"<li><a href=\"./%s\">%s</a></li>", p->d_name, p->d_name); |
gsteiert | 3:4f71a37a1ed2 | 76 | } |
gsteiert | 0:28bc7ce77e20 | 77 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 78 | } |
gsteiert | 0:28bc7ce77e20 | 79 | } |
gsteiert | 0:28bc7ce77e20 | 80 | closedir(d); |
gsteiert | 3:4f71a37a1ed2 | 81 | uart.printf("Directory closed\n"); |
gsteiert | 0:28bc7ce77e20 | 82 | sprintf(httpHeader,"</ul></body></html>"); |
gsteiert | 0:28bc7ce77e20 | 83 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 84 | } else { |
gsteiert | 3:4f71a37a1ed2 | 85 | sprintf(fileName, "/sd%s", uri); |
gsteiert | 3:4f71a37a1ed2 | 86 | fp = fopen(fileName, "r"); |
gsteiert | 0:28bc7ce77e20 | 87 | if (fp == NULL) { |
gsteiert | 7:04744a9ce2b9 | 88 | uart.printf("File not found\n"); |
gsteiert | 0:28bc7ce77e20 | 89 | sprintf(httpHeader,"HTTP/1.1 404 Not Found \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 90 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 91 | client.send(uri,strlen(uri)); |
gsteiert | 0:28bc7ce77e20 | 92 | } else { |
gsteiert | 7:04744a9ce2b9 | 93 | uart.printf("Sending: header"); |
gsteiert | 0:28bc7ce77e20 | 94 | sprintf(httpHeader,"HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 95 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 7:04744a9ce2b9 | 96 | uart.printf(" file"); |
gsteiert | 0:28bc7ce77e20 | 97 | while ((rdCnt = fread(buffer, sizeof( char ), 1024, fp)) == 1024) { |
gsteiert | 0:28bc7ce77e20 | 98 | client.send(buffer, rdCnt); |
gsteiert | 7:04744a9ce2b9 | 99 | uart.printf("."); |
gsteiert | 0:28bc7ce77e20 | 100 | } |
gsteiert | 0:28bc7ce77e20 | 101 | client.send(buffer, rdCnt); |
gsteiert | 0:28bc7ce77e20 | 102 | fclose(fp); |
gsteiert | 7:04744a9ce2b9 | 103 | uart.printf("done\n"); |
gsteiert | 0:28bc7ce77e20 | 104 | } |
gsteiert | 0:28bc7ce77e20 | 105 | } |
gsteiert | 0:28bc7ce77e20 | 106 | } |
gsteiert | 0:28bc7ce77e20 | 107 | |
gsteiert | 0:28bc7ce77e20 | 108 | int main (void) |
gsteiert | 0:28bc7ce77e20 | 109 | { |
MidnightCow | 8:4b43259a1e33 | 110 | ledTick.attach(&ledTickfunc,0.5); |
gsteiert | 3:4f71a37a1ed2 | 111 | // Serial Interface eth; |
gsteiert | 3:4f71a37a1ed2 | 112 | uart.baud(115200); |
gsteiert | 5:27b09a0f3fb6 | 113 | uart.printf("Initializing\n"); |
gsteiert | 3:4f71a37a1ed2 | 114 | |
gsteiert | 3:4f71a37a1ed2 | 115 | // Check File System |
gsteiert | 5:27b09a0f3fb6 | 116 | uart.printf("Checking File System\n"); |
gsteiert | 3:4f71a37a1ed2 | 117 | DIR *d = opendir("/sd/"); |
gsteiert | 3:4f71a37a1ed2 | 118 | if (d != NULL) { |
gsteiert | 3:4f71a37a1ed2 | 119 | uart.printf("SD Card Present\n"); |
gsteiert | 3:4f71a37a1ed2 | 120 | } else { |
gsteiert | 3:4f71a37a1ed2 | 121 | uart.printf("SD Card Root Directory Not Found\n"); |
gsteiert | 3:4f71a37a1ed2 | 122 | } |
gsteiert | 3:4f71a37a1ed2 | 123 | |
gsteiert | 0:28bc7ce77e20 | 124 | // EthernetInterface eth; |
gsteiert | 5:27b09a0f3fb6 | 125 | uart.printf("Initializing Ethernet\n"); |
MidnightCow | 8:4b43259a1e33 | 126 | //eth.init(); //Use DHCP |
MidnightCow | 9:d0615c97295e | 127 | //eth.init((uint8_t*)MAC); // Use DHCP for WIZnetInterface |
MidnightCow | 8:4b43259a1e33 | 128 | eth.init((uint8_t*)MAC,IP,MASK,GATEWAY); //IP,mask,Gateway |
gsteiert | 5:27b09a0f3fb6 | 129 | uart.printf("Connecting\n"); |
gsteiert | 0:28bc7ce77e20 | 130 | eth.connect(); |
gsteiert | 3:4f71a37a1ed2 | 131 | uart.printf("IP Address is %s\n", eth.getIPAddress()); |
gsteiert | 0:28bc7ce77e20 | 132 | |
gsteiert | 0:28bc7ce77e20 | 133 | // TCPSocketServer server; |
gsteiert | 0:28bc7ce77e20 | 134 | server.bind(HTTPD_SERVER_PORT); |
gsteiert | 0:28bc7ce77e20 | 135 | server.listen(); |
gsteiert | 5:27b09a0f3fb6 | 136 | uart.printf("Server Listening\n"); |
gsteiert | 0:28bc7ce77e20 | 137 | |
gsteiert | 0:28bc7ce77e20 | 138 | while (true) { |
gsteiert | 3:4f71a37a1ed2 | 139 | uart.printf("\nWait for new connection...\r\n"); |
gsteiert | 0:28bc7ce77e20 | 140 | server.accept(client); |
gsteiert | 0:28bc7ce77e20 | 141 | client.set_blocking(false, 1500); // Timeout after (1.5)s |
gsteiert | 0:28bc7ce77e20 | 142 | |
gsteiert | 3:4f71a37a1ed2 | 143 | uart.printf("Connection from: %s\r\n", client.get_address()); |
gsteiert | 0:28bc7ce77e20 | 144 | while (true) { |
MidnightCow | 8:4b43259a1e33 | 145 | led2 = true; |
gsteiert | 0:28bc7ce77e20 | 146 | int n = client.receive(buffer, sizeof(buffer)); |
gsteiert | 0:28bc7ce77e20 | 147 | if (n <= 0) break; |
gsteiert | 3:4f71a37a1ed2 | 148 | uart.printf("Recieved Data: %d\r\n\r\n%.*s\r\n",n,n,buffer); |
gsteiert | 0:28bc7ce77e20 | 149 | if (n >= 1024) { |
gsteiert | 0:28bc7ce77e20 | 150 | sprintf(httpHeader,"HTTP/1.1 413 Request Entity Too Large \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 151 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 152 | client.send(buffer,n); |
gsteiert | 0:28bc7ce77e20 | 153 | break; |
gsteiert | 0:28bc7ce77e20 | 154 | } else { |
gsteiert | 0:28bc7ce77e20 | 155 | buffer[n]=0; |
gsteiert | 0:28bc7ce77e20 | 156 | } |
gsteiert | 0:28bc7ce77e20 | 157 | if (!strncmp(buffer, "GET ", 4)) { |
gsteiert | 0:28bc7ce77e20 | 158 | uristr = buffer + 4; |
gsteiert | 0:28bc7ce77e20 | 159 | eou = strstr(uristr, " "); |
gsteiert | 0:28bc7ce77e20 | 160 | if (eou == NULL) { |
gsteiert | 0:28bc7ce77e20 | 161 | sprintf(httpHeader,"HTTP/1.1 400 Bad Request \r\nContent-Type: text\r\nConnection: Close\r\n\r\n"); |
gsteiert | 0:28bc7ce77e20 | 162 | client.send(httpHeader,strlen(httpHeader)); |
gsteiert | 0:28bc7ce77e20 | 163 | client.send(buffer,n); |
gsteiert | 0:28bc7ce77e20 | 164 | } else { |
gsteiert | 0:28bc7ce77e20 | 165 | *eou = 0; |
gsteiert | 3:4f71a37a1ed2 | 166 | get_file(uristr); |
gsteiert | 0:28bc7ce77e20 | 167 | } |
gsteiert | 0:28bc7ce77e20 | 168 | } |
gsteiert | 0:28bc7ce77e20 | 169 | } |
MidnightCow | 8:4b43259a1e33 | 170 | led2 = false; |
gsteiert | 0:28bc7ce77e20 | 171 | client.close(); |
gsteiert | 0:28bc7ce77e20 | 172 | } |
gsteiert | 0:28bc7ce77e20 | 173 | } |