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MeshCoreTel-firmware/src/helpers/mqtt/MQTTPrefs.cpp
T

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2.0 KiB
C++

#include "MQTTPrefs.h"
#ifdef WITH_MQTT_UPLINK
#include <helpers/TxtDataHelpers.h>
#include <string.h>
namespace {
constexpr uint32_t kFixedStatusIntervalMs = 300000;
}
void MQTTPrefsStore::setDefaults(MQTTPrefs& prefs) {
memset(&prefs, 0, sizeof(prefs));
prefs.magic = kMagic;
prefs.enabled_mask = 0x01;
prefs.packets_enabled = 1;
prefs.raw_enabled = 0;
prefs.status_enabled = 1;
prefs.tx_enabled = 0;
prefs.web_enabled = 1;
prefs.wifi_powersave = 0;
prefs.status_interval_ms = kFixedStatusIntervalMs;
StrHelper::strncpy(prefs.iata, MQTT_DEFAULT_IATA, sizeof(prefs.iata));
#ifdef WIFI_SSID
StrHelper::strncpy(prefs.wifi_ssid, WIFI_SSID, sizeof(prefs.wifi_ssid));
#endif
#ifdef WIFI_PWD
StrHelper::strncpy(prefs.wifi_pwd, WIFI_PWD, sizeof(prefs.wifi_pwd));
#endif
}
bool MQTTPrefsStore::load(FILESYSTEM* fs, MQTTPrefs& prefs) {
setDefaults(prefs);
if (fs == nullptr || !fs->exists(kFilename)) {
return false;
}
#if defined(RP2040_PLATFORM)
File file = fs->open(kFilename, "r");
#else
File file = fs->open(kFilename);
#endif
if (!file) {
return false;
}
size_t bytes_to_read = min(static_cast<size_t>(file.size()), sizeof(prefs));
bool ok = bytes_to_read >= sizeof(prefs.magic) &&
file.read(reinterpret_cast<uint8_t*>(&prefs), bytes_to_read) == bytes_to_read;
file.close();
if (!ok || prefs.magic != kMagic) {
return false;
}
if (prefs.wifi_powersave > 2) {
prefs.wifi_powersave = 0;
}
prefs.web_enabled = prefs.web_enabled ? 1 : 0;
prefs.status_interval_ms = kFixedStatusIntervalMs;
prefs.enabled_mask &= 0x07;
return true;
}
bool MQTTPrefsStore::save(FILESYSTEM* fs, const MQTTPrefs& prefs) {
if (fs == nullptr) {
return false;
}
fs->remove(kFilename);
#if defined(RP2040_PLATFORM)
File file = fs->open(kFilename, "w");
#else
File file = fs->open(kFilename, "w", true);
#endif
if (!file) {
return false;
}
bool ok = file.write(reinterpret_cast<const uint8_t*>(&prefs), sizeof(prefs)) == sizeof(prefs);
file.close();
return ok;
}
#endif