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Filesystem Tests

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This commit is contained in:
cschwinne
2020-05-08 22:53:59 +02:00
parent dfc99faea8
commit 8bb70fb1b0
6 changed files with 90 additions and 54 deletions
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2
wled00/FX.cpp
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@@ -1598,7 +1598,7 @@ uint16_t WS2812FX::mode_oscillate(void)
uint16_t WS2812FX::mode_lightning(void)
{
uint16_t ledstart = random16(SEGLEN); // Determine starting location of flash
uint16_t ledlen = random16(SEGLEN -1 -ledstart); // Determine length of flash (not to go beyond NUM_LEDS-1)
uint16_t ledlen = 1 + random16(SEGLEN -ledstart); // Determine length of flash (not to go beyond NUM_LEDS-1)
uint8_t bri = 255/random8(1, 3);
if (SEGENV.step == 0)

2
wled00/data/index.htm
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@@ -274,7 +274,7 @@ button {
background: var(--c-bg);
top: 0px;
z-index: 1;
margin-top: 1px;
margin-top: 2px;
}
#staytop1 {

7
wled00/fcn_declare.h
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@@ -45,11 +45,10 @@ void handleDMX();
void handleE131Packet(e131_packet_t* p, IPAddress clientIP, bool isArtnet);
//file.cpp
bool find(const char* target, File f);
bool handleFileRead(AsyncWebServerRequest*, String path);
bool writeObjectToFileUsing(const char* file, const char* key, JsonObject content, File input, bool doClose);
bool writeObjectToFile(const char* file, const char* key, JsonObject content, File input, bool doClose);
bool appendObjectToFile(const char* file, const char* key, JsonObject& content, File input, bool doClose);
bool writeObjectToFileUsingId(const char* file, uint16_t id, JsonDocument* content);
bool writeObjectToFile(const char* file, const char* key, JsonDocument* content);
bool appendObjectToFile(const char* file, const char* key, JsonDocument* content, File input);
bool readObjectFromFileUsingId(const char* file, uint16_t id, JsonDocument* dest);
bool readObjectFromFile(const char* file, const char* key, JsonDocument* dest);

123
wled00/file.cpp
View File

@@ -15,44 +15,83 @@
#ifndef WLED_DISABLE_FILESYSTEM
bool find(const char *target, File f) {
//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) {
size_t targetLen = strlen(target);
Serial.println(target);
//Serial.println(f.position());
size_t index = 0;
int c;
byte c;
uint16_t bufsize = 0, count = 0;
byte buf[256];
while(f.position() < f.size() -1) {
c = f.read();
if(c != target[index])
while (f.position() < f.size() -1) {
//c = f.read();
//Serial.println(f.position());
bufsize = f.read(buf, 256);
count = 0;
while (count < bufsize) {
if(buf[count] != target[index])
index = 0; // reset index if any char does not match
if(c == target[index]) {
if(++index >= targetLen) { // return true if all chars in the target match
return true;
if(buf[count] == target[index]) {
if(++index >= targetLen) { // return true if all chars in the target match
f.seek((f.position() - bufsize) + count +1);
return true;
}
}
count++;
}
}
return false;
}
bool writeObjectToFileUsingId(const char* file, uint16_t id, JsonObject content, File input, bool doClose = true)
//find empty spots in file stream in 256-byte blocks.
bool bufferedFindSpace(uint16_t targetLen, File f) {
size_t index = 0;
byte c;
uint16_t bufsize = 0, count = 0;
byte buf[256];
while (f.position() < f.size() -1) {
bufsize = f.read(buf, 256);
count = 0;
while (count < bufsize) {
if(buf[count] != ' ')
index = 0; // reset index if not space
if(buf[count] == ' ') {
if(++index >= targetLen) { // return true if space long enough
f.seek(f.position() - targetLen);
return true;
}
}
count++;
}
}
return false;
}
bool writeObjectToFileUsingId(const char* file, uint16_t id, JsonDocument* content)
{
char objKey[10];
sprintf(objKey, "\"%ld\":", id);
writeObjectToFile(file, objKey, content, input, doClose);
writeObjectToFile(file, objKey, content);
}
bool writeObjectToFile(const char* file, const char* key, JsonObject content, File input, bool doClose = true)
bool writeObjectToFile(const char* file, const char* key, JsonDocument* content)
{
uint32_t pos = 0;
File f = (input) ? input : SPIFFS.open(file, "r+");
File f = SPIFFS.open(file, "r+");
if (!f) f = SPIFFS.open(file,"w");
if (!f) return false;
//f.setTimeout(1);
f.seek(0, SeekSet);
if (!find(key, f)) //key does not exist in file
if (!bufferedFind(key, f)) //key does not exist in file
{
return appendObjectToFile(file, key, content, f, true);
return appendObjectToFile(file, key, content, f);
}
//exists
@@ -63,9 +102,9 @@ bool writeObjectToFile(const char* file, const char* key, JsonObject content, Fi
uint32_t pos2 = f.position();
uint32_t oldLen = pos2 - pos;
if (!content.isNull() && measureJson(content) <= oldLen) //replace
if (!content->isNull() && measureJson(*content) <= oldLen) //replace
{
serializeJson(content, f);
serializeJson(*content, f);
//pad rest
for (uint32_t i = f.position(); i < pos2; i++) {
f.write(' ');
@@ -77,53 +116,43 @@ bool writeObjectToFile(const char* file, const char* key, JsonObject content, Fi
for (uint32_t i = pos; i < pos2; i++) {
f.write(' ');
}
if (!content.isNull()) return appendObjectToFile(file, key, content, f, true);
if (!content->isNull()) return appendObjectToFile(file, key, content, f);
}
f.close();
}
bool appendObjectToFile(const char* file, const char* key, JsonObject& content, File input, bool doClose = true)
bool appendObjectToFile(const char* file, const char* key, JsonDocument* content, File input)
{
Serial.println("Append");
uint32_t pos = 0;
File f = (input) ? input : SPIFFS.open(file, "r+");
if (!f) f = SPIFFS.open(file,"w");
if (!f) return false;
f.setTimeout(1);
if (f.size() < 3) f.print("{}");
//if there is enough empty space in file, insert there instead of appending
uint32_t contentLen = measureJson(content);
uint32_t spaces = 0, spaceI = 0, spacesMax = 0, spaceMaxI = 0;
f.seek(1, SeekSet);
for (uint32_t i = 1; i < f.size(); i++)
{
if (f.read() == ' ') {
if (!spaces) spaceI = i; spaces++;
} else {
if (spaces > spacesMax) { spacesMax = spaces; spaceMaxI = spaceI;}
spaces = 0;
if (spacesMax >= contentLen) {
f.seek(spaceMaxI, SeekSet);
serializeJson(content, f);
return true;
}
}
uint32_t contentLen = measureJson(*content);
Serial.print("clen"); Serial.println(contentLen);
if (bufferedFindSpace(contentLen, f)) {
Serial.println("space");
serializeJson(*content, f);
return true;
}
//check if last character in file is '}' (typical)
uint32_t lastByte = f.size() -1;
f.seek(1, SeekEnd);
if (f.read() == '}') pos = lastByte;
if (f.read() == '}') pos = f.size() -1;
if (pos == 0) //not found
{
while (find("}",f)) //find last closing bracket in JSON if not last char
Serial.println("not}");
while (bufferedFind("}",f)) //find last closing bracket in JSON if not last char
{
pos = f.position();
}
}
if (pos)
Serial.print("pos"); Serial.println(pos);
if (pos < 3)
{
f.seek(pos -1, SeekSet);
f.write(',');
@@ -132,14 +161,14 @@ bool appendObjectToFile(const char* file, const char* key, JsonObject& content,
f.write('{'); //start JSON
}
f.print("\"");
//f.print("\"");
f.print(key);
f.print("\":");
//f.print("\":");
//Append object
serializeJson(content, f);
serializeJson(*content, f);
f.write('}');
if (doClose) f.close();
f.close();
}
bool readObjectFromFileUsingId(const char* file, uint16_t id, JsonDocument* dest)
@@ -156,9 +185,9 @@ bool readObjectFromFile(const char* file, const char* key, JsonDocument* dest)
File f = SPIFFS.open(file, "r");
if (!f) return false;
f.setTimeout(0);
Serial.println(key);
if (f.find(key)) //key does not exist in file
//f.setTimeout(0);
//Serial.println(key);
if (!bufferedFind(key, f)) //key does not exist in file
{
f.close();
return false;

6
wled00/wled_eeprom.cpp
View File

@@ -657,6 +657,12 @@ bool applyPreset(byte index, bool loadBri)
void savePreset(byte index, bool persist)
{
StaticJsonDocument<1024> doc;
serializeState(doc.to<JsonObject>());
doc["p"]=50;
serializeJson(doc, Serial);
writeObjectToFileUsingId("/presets.json", index, &doc);
return;
if (index > 16) return;
if (index < 1) {saveSettingsToEEPROM();return;}
uint16_t i = 380 + index*20;//min400