Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Remove temporary buffer in ConfigFile.ino #8298

Merged
merged 1 commit into from
Sep 16, 2021
Merged

Remove temporary buffer in ConfigFile.ino #8298

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 4 additions & 15 deletions libraries/esp8266/examples/ConfigFile/ConfigFile.ino
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,29 +11,18 @@
#include "FS.h"
#include <LittleFS.h>

// more and possibly updated information can be found at:
// https://arduinojson.org/v6/example/config/

bool loadConfig() {
File configFile = LittleFS.open("/config.json", "r");
if (!configFile) {
Serial.println("Failed to open config file");
return false;
}

size_t size = configFile.size();
if (size > 1024) {
Serial.println("Config file size is too large");
return false;
}

// Allocate a buffer to store contents of the file.
std::unique_ptr<char[]> buf(new char[size]);

// We don't use String here because ArduinoJson library requires the input
// buffer to be mutable. If you don't use ArduinoJson, you may as well
// use configFile.readString instead.
configFile.readBytes(buf.get(), size);

StaticJsonDocument<200> doc;
auto error = deserializeJson(doc, buf.get());
auto error = deserializeJson(doc, configFile);
if (error) {
Serial.println("Failed to parse config file");
return false;
Expand Down