Saving progress

This commit is contained in:
cschwinne 2020-09-07 20:39:12 +02:00
parent c7beacf3b9
commit 71473fd5c4
4 changed files with 65 additions and 37 deletions

View File

@ -89,7 +89,7 @@ void handleIR();
void deserializeSegment(JsonObject elem, byte it);
bool deserializeState(JsonObject root);
void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id);
void serializeState(JsonObject root);
void serializeState(JsonObject root, bool forPreset = false);
void serializeInfo(JsonObject root);
void serveJson(AsyncWebServerRequest* request);
bool serveLiveLeds(AsyncWebServerRequest* request, uint32_t wsClient = 0);

View File

@ -18,7 +18,9 @@
//find() that reads and buffers data from file stream in 256-byte blocks.
//Significantly faster, f.find(key) can take SECONDS for multi-kB files
bool bufferedFind(const char *target, File f) {
if (!f || !f.size()) return false;
size_t targetLen = strlen(target);
Serial.print("bfind ");
Serial.println(target);
//Serial.println(f.position());
size_t index = 0;
@ -28,7 +30,7 @@ bool bufferedFind(const char *target, File f) {
while (f.position() < f.size() -1) {
//c = f.read();
//Serial.println(f.position());
Serial.println(f.position());
bufsize = f.read(buf, 256);
count = 0;
while (count < bufsize) {
@ -44,13 +46,15 @@ bool bufferedFind(const char *target, File f) {
count++;
}
}
Serial.println("No match");
return false;
}
//find empty spots in file stream in 256-byte blocks.
bool bufferedFindSpace(uint16_t targetLen, File f) {
size_t index = 0;
byte c;
Serial.print("bfs ");
if (!f || !f.size()) return false;
uint16_t index = 0;
uint16_t bufsize = 0, count = 0;
byte buf[256];
@ -64,6 +68,7 @@ bool bufferedFindSpace(uint16_t targetLen, File f) {
if(buf[count] == ' ') {
if(++index >= targetLen) { // return true if space long enough
f.seek(f.position() - targetLen);
Serial.print("SPAAAACE!");
return true;
}
}
@ -88,31 +93,50 @@ bool writeObjectToFile(const char* file, const char* key, JsonDocument* content)
if (!f) return false;
//f.setTimeout(1);
f.seek(0, SeekSet);
Serial.print("Writing to ");
Serial.print(file);
Serial.print(" with key ");
Serial.print(key);
Serial.print(" > ");
serializeJson(*content, Serial);
Serial.println();
if (!bufferedFind(key, f)) //key does not exist in file
{
Serial.println("Key not found");
return appendObjectToFile(file, key, content, f);
}
Serial.println("Key found!");
//exists
pos = f.position();
Serial.println(pos);
//measure out end of old object
StaticJsonDocument<512> doc;
StaticJsonDocument<1024> doc;
deserializeJson(doc, f);
uint32_t pos2 = f.position();
uint32_t oldLen = pos2 - pos;
Serial.print("Old obj len: ");
Serial.print(oldLen);
Serial.print(" > ");
serializeJson(doc, Serial);
Serial.println();
if (!content->isNull() && measureJson(*content) <= oldLen) //replace
{
Serial.println("replace");
f.seek(pos);
serializeJson(*content, f);
//pad rest
for (uint32_t i = f.position(); i < pos2; i++) {
f.write(' ');
}
} else { //delete
pos -+ strlen(key);
Serial.println("delete");
pos -= strlen(key);
oldLen = pos2 - pos;
f.seek(pos, SeekSet);
f.seek(pos);
for (uint32_t i = pos; i < pos2; i++) {
f.write(' ');
}
@ -133,8 +157,10 @@ bool appendObjectToFile(const char* file, const char* key, JsonDocument* content
//if there is enough empty space in file, insert there instead of appending
uint32_t contentLen = measureJson(*content);
Serial.print("clen"); Serial.println(contentLen);
if (bufferedFindSpace(contentLen, f)) {
if (bufferedFindSpace(contentLen + strlen(key) + 1, f)) {
Serial.println("space");
f.write(",");
f.print(key);
serializeJson(*content, f);
return true;
}
@ -152,9 +178,9 @@ bool appendObjectToFile(const char* file, const char* key, JsonDocument* content
}
}
Serial.print("pos"); Serial.println(pos);
if (pos < 3)
if (pos > 2)
{
f.seek(pos -1, SeekSet);
f.seek(pos, SeekSet);
f.write(',');
} else { //file content is not valid JSON object
f.seek(0, SeekSet);

View File

@ -273,38 +273,40 @@ void serializeSegment(JsonObject& root, WS2812FX::Segment& seg, byte id)
}
void serializeState(JsonObject root)
{
if (errorFlag) root["error"] = errorFlag;
void serializeState(JsonObject root, bool forPreset)
{
root["on"] = (bri > 0);
root["bri"] = briLast;
root["transition"] = transitionDelay/100; //in 100ms
root["ps"] = currentPreset;
root["pss"] = savedPresets;
root["pl"] = (presetCyclingEnabled) ? 0: -1;
if (!forPreset) {
if (errorFlag) root["error"] = errorFlag;
usermods.addToJsonState(root);
root["ps"] = currentPreset;
root["pss"] = savedPresets;
root["pl"] = (presetCyclingEnabled) ? 0: -1;
//temporary for preset cycle
JsonObject ccnf = root.createNestedObject("ccnf");
ccnf["min"] = presetCycleMin;
ccnf["max"] = presetCycleMax;
ccnf["time"] = presetCycleTime;
JsonObject nl = root.createNestedObject("nl");
nl["on"] = nightlightActive;
nl["dur"] = nightlightDelayMins;
nl["fade"] = (nightlightMode > NL_MODE_SET); //deprecated
nl["mode"] = nightlightMode;
nl["tbri"] = nightlightTargetBri;
JsonObject udpn = root.createNestedObject("udpn");
udpn["send"] = notifyDirect;
udpn["recv"] = receiveNotifications;
usermods.addToJsonState(root);
root["lor"] = realtimeOverride;
//temporary for preset cycle
JsonObject ccnf = root.createNestedObject("ccnf");
ccnf["min"] = presetCycleMin;
ccnf["max"] = presetCycleMax;
ccnf["time"] = presetCycleTime;
JsonObject nl = root.createNestedObject("nl");
nl["on"] = nightlightActive;
nl["dur"] = nightlightDelayMins;
nl["fade"] = (nightlightMode > NL_MODE_SET); //deprecated
nl["mode"] = nightlightMode;
nl["tbri"] = nightlightTargetBri;
JsonObject udpn = root.createNestedObject("udpn");
udpn["send"] = notifyDirect;
udpn["recv"] = receiveNotifications;
root["lor"] = realtimeOverride;
}
root["mainseg"] = strip.getMainSegmentId();

View File

@ -675,9 +675,9 @@ bool applyPreset(byte index, bool loadBri)
void savePreset(byte index, bool persist)
{
StaticJsonDocument<1024> doc;
serializeState(doc.to<JsonObject>());
serializeState(doc.to<JsonObject>(), true);
doc["p"]=50;
serializeJson(doc, Serial);
//serializeJson(doc, Serial);
writeObjectToFileUsingId("/presets.json", index, &doc);
return;
if (index > 16) return;