adafruit-mirror/Adafruit_Learning_System_Guides
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Full recursion in directory browse

Browse source 
Code by Ladyada to serve web files including multiple levels of subdirectory.
Default is fixed IP address specified by user but can change to a router-served DHCP address.
This commit is contained in:
Mike Barela 2018-05-01 10:46:14 -04:00 committed by GitHub
parent 14318abe9a
commit 5f3ce801b1
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 16 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
Arduino_Ethernet_SD_Card/SDWebBrowse/SDWebBrowse.ino
View file

@ -1,7 +1,7 @@
/*
* SDWebBrowse.ino
*
* This sketch uses the microSD card slot on the a W5500 Ethernet shield
* This sketch uses the microSD card slot on the a WIZ5500 Ethernet shield
* to serve up files over a very minimal browsing interface
*
* Some code is from Bill Greiman's SdFatLib examples, some is from the
@ -9,11 +9,13 @@
* (Adafruit) so its probably under GPL
*
* Tutorial is at https://learn.adafruit.com/arduino-ethernet-sd-card/serving-files-over-ethernet
*
* Please use the Adafruit Ethernet2 library https://github.com/adafruit/Ethernet2
*/
#include <SPI.h>
#include <SD.h>
#include <Ethernet2.h> // Using WIZ5500 Ethernet chip so Ethernet2 library is required
#include <Ethernet2.h> // Using WIZ5500 Ethernet chip so Adafruit Ethernet2 library is required
/************ ETHERNET STUFF ************/
byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; // change if necessary
@ -40,7 +42,6 @@ File root;
#define WIZ_CS 10
#endif
// store error strings in flash to save RAM
#define error(s) error_P(PSTR(s))
@ -74,17 +75,16 @@ void setup() {
// Debugging complete, we start the server!
Serial.println(F("Initializing WizNet"));
Ethernet.init(WIZ_CS);
// give the ethernet module time to boot up:
// give the ethernet module time to boot up
delay(1000);
// start the Ethernet connection:
if (Ethernet.begin(mac) == 0) {
Serial.println("Failed to configure Ethernet using DHCP");
// no point in carrying on, so do nothing forevermore:
// try to congifure using IP address instead of DHCP:
Ethernet.begin(mac, ip);
}
// start the Ethernet connection
// Use the fixed IP specified. If you want to use DHCP first
// then switch the Ethernet.begin statements
Ethernet.begin(mac, ip);
// try to congifure using DHCP address instead of IP:
// Ethernet.begin(mac);
// print the Ethernet board/shield's IP address:
// print the Ethernet board/shield's IP address to Serial monitor
Serial.print(F("My IP address: "));
Serial.println(Ethernet.localIP());
@ -144,7 +144,6 @@ void loop()
char clientline[BUFSIZ];
char name[17];
int index = 0;
int err;
EthernetClient client = server.available();
if (client) {
@ -190,7 +189,7 @@ void loop()
filename[strlen(filename)-1] = 0; // as Open throws error with trailing /
}
Serial.print(F("Web request for: ")); Serial.println(filename); // print the file we want
Serial.print(F("Web request for: ")); Serial.println(filename); // print the file we want
File file = SD.open(filename, O_READ);
if ( file == 0 ) { // Opening the file with return code of 0 is an error in SDFile.open
@ -213,9 +212,9 @@ void loop()
client.print("<h2>Files in /");
client.print(filename);
client.println(":</h2>");
ListFiles(client,LS_SIZE,file); // So this will list a subdirectory BUT this
file.close(); // program is not recursive (subdir opens FAIL)
} else {
ListFiles(client,LS_SIZE,file);
file.close();
} else { // Any non-directory clicked, server will send file to client for download
client.println("Content-Type: application/octet-stream");
client.println();