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Adding SPIFFS to this project to store webpages

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This commit is contained in:
Sébastien Vallée 2017-12-25 09:12:06 +01:00
parent e97d9b98b5
commit fe49e16934
1 changed files with 37 additions and 24 deletions
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61
LibreMetric.ino
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@ -14,6 +14,7 @@
#include <ArduinoOTA.h>
#include "OTAsetup.h"
#include "d_helper.h"
#include "FS.h"
//################# DISPLAY CONNECTIONS ################
@ -55,6 +56,7 @@ void setup() {
matrix.fillScreen(LOW); //clr screen
initOTA();
SPIFFS.begin();
for (int i=0; i<numberOfHorizontalDisplays; i++){
DEBUG_PRINT(F("Changing orientation of display #"));
@ -189,32 +191,43 @@ void GetMessage() {
if (Argument_Name == "brightness") brightness = client_response.toInt();
}
}
String webpage = fileRead("/index.html");
String ipaddress = WiFi.localIP().toString();
webpage.replace("ipaddress", ipaddress);
server.send(200, "text/html", webpage); // Send a response to the client to enter their inputs, if needed, Enter=defaults
}
void append_page_header() {
webpage = F("<!DOCTYPE HTML><html lang='fr'><head>");
webpage += "<META HTTP-EQUIV='Content-Type' CONTENT='text/html; charset=utf-8'>";
webpage += F("<title>Envoi de messages - LibreMetric</title><style>");
webpage += F("body {width:");
webpage += SITE_WIDTH;
webpage += F("px;margin:0 auto;font-family:arial;font-size:14px;text-align:center;color:#776688;background-color:#F7F2Fd;}");
webpage += F("ul{list-style-type:circle; margin:0;padding:0;overflow:hidden;background-color:#d8d8d8;font-size:14px;}");
webpage += F("li{float:left;border-right:1px solid #bbb;}last-child {border-right:none;}");
webpage += F("li a{display: block;padding:2px 12px;text-decoration:none;}");
webpage += F("li a:hover{background-color:#FFFFFF;}");
webpage += F("section {font-size:16px;}");
webpage += F("p {background-color:#D1DBE3;font-size:16px;}");
webpage += F("div.header,div.footer{padding:0.5em;color:white;background-color:gray;clear:left;}");
webpage += F("h1{background-color:#d8d8d8;font-size:26px;}");
webpage += F("h2{color:#9370DB;font-size:22px;line-height:65%;}");
webpage += F("h3{color:#9370DB;font-size:16px;line-height:55%;}");
webpage += F("</style></head><body><h1>LibreMetric ");
webpage += version+"</h1>";
}
void append_page_footer(){ // Saves repeating many lines of code for HTML page footers
webpage += F("<ul><li><a href='/'>Recharger la page</a></li></ul>");
webpage += F("</body></html>");
String fileRead(String name){
//read file from SPIFFS and store it as a String variable
String contents;
File file = SPIFFS.open(name.c_str(), "r");
if (!file) {
String errorMessage = "Can't open '" + name + "' !\r\n";
DEBUG_PRINTLN(errorMessage);
return "FILE ERROR";
}
else {
// this is going to get the number of bytes in the file and give us the value in an integer
int fileSize = file.size();
int chunkSize=1024;
//This is a character array to store a chunk of the file.
//We'll store 1024 characters at a time
char buf[chunkSize];
int numberOfChunks=(fileSize/chunkSize)+1;
int count=0;
int remainingChunks=fileSize;
for (int i=1; i <= numberOfChunks; i++){
if (remainingChunks-chunkSize < 0){
chunkSize=remainingChunks;
}
file.read((uint8_t *)buf, chunkSize-1);
remainingChunks=remainingChunks-chunkSize;
contents+=String(buf);
}
file.close();
return contents;
}
}