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PreferenceHandler.cpp
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PreferenceHandler.cpp
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#include "PreferenceHandler.h"
#include <Preferences.h>
#include <ArduinoJson.h>
#include "esp_camera.h"
Preferences preferences;
void PreferenceHandler::begin()
{
preferences.begin(PREFERENCES_NAME, false);
#ifdef __debug
Serial.println("[PREF] init");
#endif
// Init gpios preferences
{
size_t schLen = preferences.getBytes(PREFERENCES_GPIOS, NULL, NULL);
char buffer[schLen];
preferences.getBytes(PREFERENCES_GPIOS, buffer, schLen);
memcpy(gpios, buffer, schLen);
}
// Init I2C slaces preferences
{
size_t schLen = preferences.getBytes(PREFERENCES_I2C_SLAVE, NULL, NULL);
char buffer[schLen];
preferences.getBytes(PREFERENCES_I2C_SLAVE, buffer, schLen);
memcpy(i2cSlaves, buffer, schLen);
}
// Init automation preferences
{
setAutomationsFromJson(preferences.getString(PREFERENCES_AUTOMATION, "[]").c_str());
// Note: Can't figure it out why the following code does not work with the AutomationFlash array struct.
// The first object is saving well, but all other are not...
// size_t schLen = preferences.getBytes(PREFERENCES_AUTOMATION, NULL, NULL);
// char buffer[schLen];
// preferences.getBytes(PREFERENCES_AUTOMATION, buffer, schLen);
// memcpy(automations, buffer, schLen);
}
// Init telegram preferences
{
size_t schLen = preferences.getBytes(PREFERENCES_TELEGRAM, NULL, NULL);
char buffer[schLen];
preferences.getBytes(PREFERENCES_TELEGRAM, buffer, schLen);
memcpy(&telegram, buffer, schLen);
}
// Init mqtt preferences
{
size_t schLen = preferences.getBytes(PREFERENCES_MQTT, NULL, NULL);
char buffer[schLen];
preferences.getBytes(PREFERENCES_MQTT, buffer, schLen);
memcpy(&mqtt, buffer, schLen);
}
// Init wifi preferences
{
size_t schLen = preferences.getBytes(PREFERENCES_WIFI, NULL, NULL);
char buffer[schLen];
preferences.getBytes(PREFERENCES_WIFI, buffer, schLen);
memcpy(&wifi, buffer, schLen);
// Wifi settings are empty, fill with default ap settings
if (strlen(wifi.apSsid) == 0) {
strcpy(wifi.apSsid, "ESP32");
strcpy(wifi.apPsw,"p@ssword2000");
strcpy(wifi.dns,"especial");
}
}
// Init camera preferences
{
size_t schLen = preferences.getBytes(PREFERENCES_CAMERA, NULL, NULL);
char buffer[schLen];
preferences.getBytes(PREFERENCES_CAMERA, buffer, schLen);
memcpy(&camera, buffer, schLen);
}
preferences.end();
initGpios();
if (camera.model != 0) {
initCamera(camera.model);
}
}
void PreferenceHandler::clear() {
#ifdef __debug
Serial.println("Preferences: clear all");
#endif
preferences.begin(PREFERENCES_NAME, false);
preferences.clear();
preferences.end();
}
void PreferenceHandler::save(const char* preference) {
preferences.begin(PREFERENCES_NAME, false);
#ifdef __debug
Serial.printf("Preferences: saving in %s \n", preference);
#endif
if (strcmp(preference, PREFERENCES_GPIOS) == 0) {
preferences.putBytes(PREFERENCES_GPIOS, &gpios, sizeof(gpios));
}else if (strcmp(preference, PREFERENCES_I2C_SLAVE) == 0) {
preferences.putBytes(PREFERENCES_I2C_SLAVE, &i2cSlaves, sizeof(i2cSlaves));
}else if (strcmp(preference, PREFERENCES_AUTOMATION) == 0) {
// Note: saving a string instead of bytes.
// The struct for AutomationFlash does not seem to work properly with the putBytes.
// Need further investigation
preferences.putString(PREFERENCES_AUTOMATION, getAutomationsJson());
}else if (strcmp(preference, PREFERENCES_MQTT) == 0) {
preferences.putBytes(PREFERENCES_MQTT, &mqtt, sizeof(mqtt));
}else if (strcmp(preference, PREFERENCES_TELEGRAM) == 0) {
preferences.putBytes(PREFERENCES_TELEGRAM, &telegram, sizeof(telegram));
}else if (strcmp(preference, PREFERENCES_WIFI) == 0) {
preferences.putBytes(PREFERENCES_WIFI, &wifi, sizeof(wifi));
}else if (strcmp(preference, PREFERENCES_CAMERA) == 0) {
preferences.putBytes(PREFERENCES_CAMERA, &camera, sizeof(camera));
}
preferences.end();
}
int PreferenceHandler::touchSensor(int pin) {
if (pin == 0) return T1;
if (pin == 2) return T0;
if (pin == 4) return T2;
if (pin == 12) return T5;
if (pin == 13) return T4;
if (pin == 14) return T6;
if (pin == 15) return T3;
if (pin == 27) return T7;
if (pin == 32) return T9;
if (pin == 33) return T8;
}
// Returns the first empty slot of a given array
int PreferenceHandler::firstEmptySlot(const char* preference) {
int i = 0;
if (strcmp(preference,PREFERENCES_AUTOMATION) == 0) {
while(i<MAX_AUTOMATIONS_NUMBER && automations[i].id) {
i++;
}
} else if (strcmp(preference,PREFERENCES_I2C_SLAVE)==0) {
while(i<MAX_I2C_SLAVES && i2cSlaves[i].id) {
i++;
}
}
return i;
}
// Return the highest id of an array, + 1
int PreferenceHandler::newId(const char *preference) {
int newId = 1;
if (strcmp(preference,PREFERENCES_AUTOMATION) == 0) {
for (AutomationFlash& automation: automations) {
if (automation.id>=newId) {
newId = automation.id + 1;
}
}
} else if (strcmp(preference, PREFERENCES_I2C_SLAVE) == 0) {
for (I2cSlaveFlash& slave: i2cSlaves) {
if (slave.id>=newId) {
newId = slave.id + 1;
}
}
}
return newId;
}
// Gpio
void PreferenceHandler::initGpios()
{
for (GpioFlash& gpio : gpios) {
if (gpio.pin && gpio.mode != -100) {
#ifdef __debug
Serial.printf("Preferences: init pin %i on mode %i\n", gpio.pin, gpio.mode);
#endif
attach(gpio);
// Only write saved state if we have analog mode ...
if (gpio.mode == -1) {
ledcWrite(gpio.channel, gpio.state);
// ... or DAC mode
} else if (gpio.mode == -1) {
dacWrite(gpio.pin, gpio.state);
} else if (gpio.mode == 2) {
// Default OUTPIN IO to low
digitalWrite(gpio.pin, gpio.save ? gpio.state : 0);
}
} else {
detach(gpio);
}
}
}
bool PreferenceHandler::attach(GpioFlash& gpio) {
// Attach digital
if (gpio.mode >0) {
pinMode(gpio.pin, gpio.mode);
// Attach led control
} else if (gpio.mode == -1) {
if(gpio.channel != CHANNEL_NOT_ATTACHED && gpio.channel<MAX_DIGITALS_CHANNEL) {
int frequency = 50;
if (gpio.frequency) {
frequency = gpio.frequency;
}
int resolution = 16;
if (gpio.resolution) {
resolution = gpio.resolution;
}
#ifdef __debug
Serial.printf("Preferences: attaching pin %i to channel %i\n",gpio.pin, gpio.channel);
#endif
ledcSetup(gpio.channel, frequency, resolution); // channel X, 50 Hz, 16-bit depth
ledcAttachPin(gpio.pin, gpio.channel);
return true;
}
// Attach I2C
} else if (gpio.mode == -2 && gpio.frequency && gpio.sclpin) {
if (i2cHandlers[gpio.pin]) {
delete i2cHandlers[gpio.pin];
}
#ifdef __debug
Serial.printf("Preferences: attaching SDA pin %i and SCL pin %i with frequency %i\n",gpio.pin, gpio.sclpin,gpio.frequency);
#endif
i2cHandlers[gpio.pin] = new TwoWire(gpio.pin);
i2cHandlers[gpio.pin]->begin(gpio.pin,gpio.sclpin,gpio.frequency);
return true;
} else if (gpio.mode == -3) {
adcAttachPin(gpio.pin);
} else if (gpio.mode == -5) {
dacWrite(gpio.pin,0);
}
return false;
}
bool PreferenceHandler::detach(GpioFlash& gpio) {
if (gpio.mode > 0) {
gpio_reset_pin(gpio_num_t(gpio.pin));
// Detach analog
} else if (gpio.mode == -1) {
if (gpio.channel == CHANNEL_NOT_ATTACHED) {
return false;
}
#ifdef __debug
Serial.printf("Preferences: detaching channel %i from pin %i\n", gpio.channel,gpio.pin);
#endif
ledcDetachPin(gpio.pin);
// Detach i2c. Releasing Wire instance should call the destroy from Wire and therfor free the pin
} else if (gpio.mode == -2 && gpio.frequency && gpio.sclpin) {
// Remove all slaves attached to this pin
for(I2cSlaveFlash slave: i2cSlaves) {
if (slave.mPin == gpio.pin) {
slave = {};
}
}
save(PREFERENCES_I2C_SLAVE);
delete i2cHandlers[gpio.pin];
return true;
}
return true;
}
String PreferenceHandler::scan(GpioFlash& gpio){
DynamicJsonDocument doc(JSON_ARRAY_SIZE(127) + 127*20);
if (gpio.mode == -2 && gpio.sclpin && gpio.frequency && i2cHandlers[gpio.pin]) {
#ifdef __debug
Serial.printf("Preferences: Scanning I2C Addresses on Channel %i",gpio.pin);
#endif
byte error, address;
for(address = 1; address < 127; address++ ) {
i2cHandlers[gpio.pin]->beginTransmission(address);
error = i2cHandlers[gpio.pin]->endTransmission();
if (error == 0) {
char currentAddress[10];
if (address<16) {
snprintf(currentAddress, 10, "0x0%x\0", address);
} else {
snprintf(currentAddress, 10, "0x%x\0", address);
}
doc.add(currentAddress);
} else if (error==4) {
#ifdef __debug
Serial.print("Unknow error at address 0x");
if (address<16) {
Serial.print("0");
}
Serial.println(address,HEX);
#endif
}
}
}
String output;
serializeJson(doc, output);
return output;
}
String PreferenceHandler::addSlave(int address, int mPin, const char* label,const uint8_t* commands,const char* data, int octetRequest, int s) {
I2cSlaveFlash newSlave = {};
newSlave.id = newId(PREFERENCES_I2C_SLAVE);
newSlave.address = address;
newSlave.mPin = mPin;
strcpy(newSlave.label, label);
memcpy(newSlave.commands, commands, sizeof(newSlave.commands));
if (data) {
strcpy(newSlave.data, data);
}
newSlave.octetRequest = octetRequest;
newSlave.save = s;
i2cSlaves[firstEmptySlot(PREFERENCES_I2C_SLAVE)] = newSlave;
save(PREFERENCES_I2C_SLAVE);
return slaveToJson(newSlave);
}
String PreferenceHandler::editSlave(I2cSlaveFlash& slave, const char* newLabel, const uint8_t* newCommands,const char* newData, int newOctetRequest, int newSave) {
bool hasChanged = false;
if (newLabel && strcmp(slave.label, newLabel) != 0) {
strcpy(slave.label, newLabel);
hasChanged = true;
}
if (newCommands && slave.commands != newCommands) {
memcpy(slave.commands, newCommands, sizeof(slave.commands));
hasChanged = true;
}
if (newData && slave.data != newData) {
if (newData) {
strcpy(slave.data, newData);
} else {
strcpy(slave.data, "");
}
hasChanged = true;
}
if (slave.octetRequest != newOctetRequest) {
slave.octetRequest = newOctetRequest;
hasChanged = true;
}
if (slave.save != newSave) {
slave.save = newSave;
hasChanged = true;
}
if (hasChanged) {
save(PREFERENCES_I2C_SLAVE);
}
return slaveToJson(slave);
}
bool PreferenceHandler::removeSlave(int id) {
for (int i=0; i<MAX_I2C_SLAVES; i++) {
if (i2cSlaves[i].id == id) {
i2cSlaves[i] = {};
save(PREFERENCES_I2C_SLAVE);
return true;
}
}
return false;
}
String PreferenceHandler::sendSlaveCommands(int id) {
for (I2cSlaveFlash& slave: i2cSlaves) {
if (slave.id == id) {
// Request read command
bool read = (int)slave.octetRequest>0;
Wire.beginTransmission(slave.address);
for (uint8_t command: slave.commands) {
if (command) {
Serial.printf("Send command %d",command);
Wire.write(command);
}
}
if (slave.data) {
for (char& buffer: slave.data) {
if (buffer) {
Wire.write(buffer);
}
}
}
Wire.endTransmission(!read);
// Request read bytes
if (read) {
Wire.requestFrom((int)slave.address, (int)slave.octetRequest);
// Check if available octets match user parameters. If not, return empty string
if (slave.octetRequest <= Wire.available()) {
DynamicJsonDocument doc(JSON_ARRAY_SIZE(slave.octetRequest));
for (int j=0; j<slave.octetRequest; j++) {
doc.add(Wire.read());
}
String output;
serializeJson(doc, output);
return output;
}
}
}
}
return String();
}
String PreferenceHandler::slaveToJson(I2cSlaveFlash& slave) {
StaticJsonDocument<I2CSLAVE_JSON_CAPACITY> doc;
doc["id"] = slave.id;
doc["address"] = slave.address;
doc["mPin"] = slave.mPin;
doc["label"] = slave.label;
JsonArray commands = doc.createNestedArray("commands");
for (int i = 0; i<MAX_I2C_COMMAND_NUMBER; i++) {
if (slave.commands[i]) {
commands.add(slave.commands[i]);
}
}
doc["octetRequest"] = slave.octetRequest;
doc["save"] = slave.save;
String output;
serializeJson(doc, output);
return output;
}
String PreferenceHandler::getI2cSlavesJson() {
DynamicJsonDocument doc(I2CSLAVES_JSON_CAPACITY);
for (I2cSlaveFlash& slave : i2cSlaves) {
if (slave.id) {
doc.add(serialized(slaveToJson(slave)));
}
}
String output;
serializeJson(doc, output);
return output;
}
// GPIOS
bool PreferenceHandler::removeGpio(int pin) {
if (gpios[pin].mode<0) {
detach(gpios[pin]);
}
gpios[pin] = {};
save(PREFERENCES_GPIOS);
return true;
}
String PreferenceHandler::addGpio(int pin,const char* label, int mode,int sclpin, int frequency, int resolution, int channel, int saveState, int invertState) {
GpioFlash newGpio = {};
newGpio.pin = pin;
strcpy(newGpio.label, label);
newGpio.mode = mode;
newGpio.sclpin = sclpin;
newGpio.channel = channel;
newGpio.frequency = frequency;
newGpio.resolution = resolution;
newGpio.save = saveState;
newGpio.invert = invertState;
// Add to list of used gpios
gpios[pin] = newGpio;
attach(newGpio);
// If we don't save state, default state to 0
newGpio.state = getGpioState(pin);
save(PREFERENCES_GPIOS);
return gpioToJson(newGpio);
}
String PreferenceHandler::editGpio(int oldPin, int newPin,const char* newLabel, int newMode, int newSclPin, int newFrequency, int newResolution, int newChannel, int newSave, int newInvert) {
bool hasChanged = false;
GpioFlash& gpio = gpios[oldPin];
if (newMode && gpio.mode != newMode) {
// Detach i2C/analog if we are swtiching to a digital mode etc
if ((gpio.mode<0 && newMode>0) || (gpio.mode != -1 && newMode==-2) || (gpio.mode != -2 && newMode==-1)) {
detach(gpio);
}
// Set new mode
gpio.mode = newMode;
attach(gpio);
// Get new state depending on the new mode
gpio.state = getGpioState(gpio.pin);
hasChanged = true;
}
if (newChannel && gpio.channel != newChannel) {
// Only do the reattach process if we haven't change the pin at the same time, in that case, wait the newPin condition to reattach
if (gpio.mode==-1 && !newPin) detach(gpio);
gpio.channel = newChannel;
if (gpio.mode==-1 && !newPin) attach(gpio);
hasChanged = true;
}
if (newSclPin && gpio.sclpin != newSclPin) {
// Only do the reattach process if we don't have at the same time a new SDA pin, in that case, wait the newPin condition to reattach
if (!newPin) detach(gpio);
gpio.sclpin = newSclPin;
if (!newPin) attach(gpio);
hasChanged = true;
}
if (newResolution && gpio.resolution != newResolution) {
if (gpio.mode==-1 && !newPin) detach(gpio);
gpio.resolution = newResolution;
if (gpio.mode==-1 && !newPin) attach(gpio);
hasChanged = true;
}
if (newFrequency && gpio.frequency != newFrequency) {
if (gpio.mode==-1 && !newPin) detach(gpio);
gpio.frequency = newFrequency;
if (gpio.mode==-1 && !newPin) attach(gpio);
hasChanged = true;
}
if (newLabel && strcmp(gpio.label, newLabel) != 0) {
strcpy(gpio.label, newLabel);
hasChanged = true;
}
if (gpio.save != newSave) {
gpio.save = newSave;
hasChanged = true;
}
if (gpio.invert != newInvert) {
gpio.invert = newInvert;
hasChanged = true;
}
// As we use the pin as an id, we need to copy the current gpio setting to the new memory address (at the pin id of the array)
if (newPin && gpio.pin != newPin) {
detach(gpio);
memcpy(&gpios[newPin], &gpio, sizeof(gpio));
gpios[newPin].pin = newPin;
gpio = {};
// Reattach now
attach(gpios[newPin]);
hasChanged = true;
}
if (hasChanged) {
save(PREFERENCES_GPIOS);
GpioFlash& newGpio = newPin ? gpios[newPin] : gpio;
// In case we don't want to save state, we still want to get the right value.
newGpio.state = getGpioState(newGpio.pin);
}
return gpioToJson(newPin ? gpios[newPin] : gpio);
}
void PreferenceHandler::setGpioState(int pin, int value, bool persist) {
GpioFlash& gpio = gpios[pin];
if (gpio.pin == pin && value != gpio.state) {
// Value -1 means reverse the state
int newValue = (value == -1 ? !gpio.state : value);
// If gpio is in output mode
if (gpio.mode==2) {
digitalWrite(pin, newValue);
} else if (gpio.mode==-1 && gpio.channel!=CHANNEL_NOT_ATTACHED) {
ledcWrite(gpio.channel, newValue);
} else if (gpio.mode==-5) {
dacWrite(gpio.pin, newValue);
}
// Persist state in flash only if we have digital input in output or analog mode
if (persist) {
gpio.state = newValue;
// Don't save in flash when pin set in input mode
if ((gpio.mode == 2 || gpio.mode == -1) && gpio.save) {
save(PREFERENCES_GPIOS);
}
}
return;
}
}
int PreferenceHandler::getGpioState(int pin) {
GpioFlash& gpio = gpios[pin];
if (gpio.mode>0) {
return digitalRead(gpio.pin);
} else if (gpio.mode == -1) {
return ledcRead(gpio.channel);
} else if (gpio.mode == -2) {
return 0;
} else if (gpio.mode == -3) {
analogReadResolution(gpio.resolution);
return analogRead(gpio.pin);
} else if (gpio.mode == -4) {
// Following code is made to avoid false positive. Which happens a lot when WIFI is on.
// See: https://github.com/espressif/esp-iot-solution/blob/master/documents/touch_pad_solution/touch_sensor_design_en.md#42-jitter-filter-solution
// and: https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/peripherals/touch_pad.html#touch-detection
// The idea is to check if the touchRead value is still the same after a small amount of time which correspond to a touch. False positive are much shorter in time.
int newValue = touchRead(touchSensor(gpio.pin));
// check if the detected value is worth it (greater than TOUCH_VARIATION_ALLOWED)
if ((newValue > (gpio.state+TOUCH_VARIATION_ALLOWED) || newValue < (gpio.state-TOUCH_VARIATION_ALLOWED))) {
// check if a new detected value is still in TOUCH_TIME_INTERVAL
if (millis() < TOUCH_TIME_INTERVAL + lastTouchDebounceTimes[gpio.pin]) {
// if it's the case, check if that new value is near the previous value stored in touchTempValues
if (newValue < (touchTempValues[gpio.pin]+TOUCH_VARIATION_ALLOWED) && newValue > (touchTempValues[gpio.pin]-TOUCH_VARIATION_ALLOWED)) {
// if it's the case, we can say that we detected a touch event, reset touchTempValues to default
touchTempValues[gpio.pin] = 100;
return newValue;
} else {
// if not, store in touchTempValues the new detected value
touchTempValues[gpio.pin] = newValue;
return gpio.state;
}
} else {
// if not, reset touchTempValues to default value so that next time we have a false positive, it won't match touchTempValues
touchTempValues[gpio.pin] = 100;
}
// every time we have a new value greater than TOUCH_VARIATION_ALLOWED, start a new timer. If the variation is steady during TOUCH_TIME_INTERVAL, we can say we have a touch event... fiou
lastTouchDebounceTimes[gpio.pin] = millis();
}
}
return gpio.state;
}
String PreferenceHandler::gpioToJson(GpioFlash& gpio) {
StaticJsonDocument<GPIO_JSON_CAPACITY> doc;
doc["pin"] = gpio.pin;
doc["label"] = gpio.label;
doc["mode"] = gpio.mode;
doc["sclpin"] = gpio.sclpin;
doc["frequency"] = gpio.frequency;
doc["resolution"] = gpio.resolution;
doc["channel"] = gpio.channel;
doc["state"] = gpio.state;
doc["invert"] = gpio.invert;
doc["save"] = gpio.save;
String output;
serializeJson(doc, output);
return output;
}
String PreferenceHandler::getGpiosJson() {
DynamicJsonDocument doc(GPIOS_JSON_CAPACITY);
for (GpioFlash& gpio : gpios) {
if (gpio.pin) {
doc.add(serialized(gpioToJson(gpio)));
}
}
String output;
serializeJson(doc, output);
return output;
}
// mqtt
bool PreferenceHandler::editMqtt(JsonObject &json) {
bool hasChanged = false;
const int newActive = json["active"].as<int>();
const char* newFn = json["fn"].as<char*>();
const char* newHost = json["host"].as<char*>();
const int newPort = json["port"].as<int>();
const char* newUser = json["user"].as<char*>();
const char* newPassword = json["password"].as<char*>();
const char* newTopic = json["topic"].as<char*>();
if (newFn && strcmp(mqtt.fn, newFn) != 0) {
strcpy(mqtt.fn, newFn);
hasChanged = true;
}
if (newHost && strcmp(mqtt.host, newHost) != 0) {
strcpy(mqtt.host, newHost);
hasChanged = true;
}
if (newPort && mqtt.port != newPort) {
mqtt.port = newPort;
hasChanged = true;
}
if (newUser && strcmp(mqtt.user, newUser) != 0) {
strcpy(mqtt.user, newUser);
hasChanged = true;
}
if (newPassword && strcmp(mqtt.password, newPassword) != 0) {
strcpy(mqtt.password, newPassword);
hasChanged = true;
}
if (newTopic && strcmp(mqtt.topic, newTopic) != 0) {
strcpy(mqtt.topic, newTopic);
hasChanged = true;
}
if (mqtt.active != newActive) {
mqtt.active = newActive;
hasChanged = true;
}
if (hasChanged) {
save(PREFERENCES_MQTT);
}
return hasChanged;
}
// Telegram
bool PreferenceHandler::editTelegram(const char* newToken,const int* newUsers, int newActive) {
bool hasChanged = false;
if (newToken && strcmp(telegram.token, newToken) != 0) {
strcpy(telegram.token, newToken);
hasChanged = true;
}
if (telegram.active != newActive) {
telegram.active = newActive;
hasChanged = true;
}
if (newUsers && memcmp(telegram.users, newUsers, sizeof(telegram.users)) != 0) {
for (int i=0; i<MAX_TELEGRAM_USERS_NUMBER;i++) {
if (telegram.chatIds[i] && !newUsers[i]) {
telegram.chatIds[i] = 0;
}
}
memcpy(telegram.users, newUsers, sizeof(telegram.users));
hasChanged = true;
}
if (hasChanged) {
save(PREFERENCES_TELEGRAM);
}
return hasChanged;
}
bool PreferenceHandler:: editWifi(const char* dns, const char* apSsid, const char* apPsw, int staEnable,const char* staSsid, const char* staPsw) {
bool hasChanged = false;
if (dns && strcmp(wifi.dns, dns) != 0) {
strcpy(wifi.dns, dns);
hasChanged = true;
}
if (apSsid && strcmp(wifi.apSsid, apSsid) != 0) {
strcpy(wifi.apSsid, apSsid);
hasChanged = true;
}
if (apPsw && strcmp(wifi.apPsw, apPsw) != 0) {
strcpy(wifi.apPsw, apPsw);
hasChanged = true;
}
if (wifi.staEnable != staEnable) {
wifi.staEnable = staEnable;
hasChanged = true;
}
if (staSsid && strcmp(wifi.staSsid, staSsid) != 0) {
strcpy(wifi.staSsid, staSsid);
hasChanged = true;
}
if (staPsw && strcmp(wifi.staPsw, staPsw) != 0) {
strcpy(wifi.staPsw, staPsw);
hasChanged = true;
}
if (hasChanged) {
save(PREFERENCES_WIFI);
}
return hasChanged;
}
// Automation
void PreferenceHandler::setAutomationsFromJson(const char* json) {
DynamicJsonDocument doc(AUTOMATIONS_JSON_CAPACITY);
DeserializationError error = deserializeJson(doc, json);
if (error) {
#ifdef __debug
Serial.print(F("Server: deserializeJson() failed: "));
Serial.println(error.c_str());
#endif
return;
}
int i = 0;
for (JsonObject a : doc.as<JsonArray>()) {
AutomationFlash newAutomation = {};
newAutomation.id = a["id"].as<int>();
strcpy(newAutomation.label, a["label"].as<char*>());
newAutomation.autoRun = a["autoRun"].as<int>();
newAutomation.loopCount = a["loopCount"].as<int>();
newAutomation.debounceDelay = a["debounceDelay"].as<int>();
int16_t conditions[MAX_AUTOMATIONS_CONDITIONS_NUMBER][4] = {};
int j = 0;
for(JsonArray condition: a["conditions"].as<JsonArray>()) {
int16_t conditionToFlash[4];
for (int k = 0; k<4; k++) {
conditionToFlash[k] = condition[k];
}
memcpy(conditions[j], conditionToFlash, sizeof(conditionToFlash));
j++;
}
memcpy(newAutomation.conditions, conditions, sizeof(conditions));
char actions[MAX_AUTOMATION_ACTION_NUMBER][4][100] = {};
int l = 0;
for(JsonArray action: a["actions"].as<JsonArray>()) {
char actionToFlash[4][100];
for (int k = 0; k<4; k++) {
strcpy(actionToFlash[k], action[k].as<char*>());
}
memcpy(actions[l], actionToFlash, sizeof(actionToFlash));
l++;
}
memcpy(newAutomation.actions, actions, sizeof(actions));
automations[i] = newAutomation;
i++;
}
}
String PreferenceHandler::automationToJson(AutomationFlash& a) {
DynamicJsonDocument doc(AUTOMATION_JSON_CAPACITY);
doc["id"] = a.id;
doc["label"] = a.label;
doc["autoRun"] = a.autoRun;
doc["loopCount"] = a.loopCount;
doc["debounceDelay"] = a.debounceDelay;
JsonArray conditions = doc.createNestedArray("conditions");
for (int i = 0; i<MAX_AUTOMATIONS_CONDITIONS_NUMBER; i++) {
if (a.conditions[i][1]) { // Check if the condition has an operator type, in that case, it's define, so add it
JsonArray condition = conditions.createNestedArray();
for (int16_t param: a.conditions[i]) {
condition.add(param);
}
}
}
JsonArray actions = doc.createNestedArray("actions");
for (int i = 0; i<MAX_AUTOMATION_ACTION_NUMBER; i++) {
if (a.actions[i][0] && strnlen(a.actions[i][0],MAX_MESSAGE_TEXT_SIZE)!=0) { // Check if the action has a type, in that case, it's define, so add it
JsonArray action = actions.createNestedArray();
for (int j=0; j<4; j++) {
action.add(a.actions[i][j]);
}
}
}
String output;
serializeJson(doc, output);
return output;
}
String PreferenceHandler::getAutomationsJson() {
DynamicJsonDocument doc(AUTOMATIONS_JSON_CAPACITY);
for (AutomationFlash& a : automations) {
if (a.id) {
doc.add(serialized(automationToJson(a)));
}
}
String output;
serializeJson(doc, output);
return output;
}
bool PreferenceHandler::removeAutomation(int id) {
const int count = sizeof(automations)/sizeof(*automations);
for (int i=0;i<count;i++) {
if (automations[i].id == id) {
automations[i] = {};
save(PREFERENCES_AUTOMATION);
return true;
}
}
return false;
}
String PreferenceHandler::addAutomation(const char* label,int autoRun,const int16_t conditions[MAX_AUTOMATIONS_CONDITIONS_NUMBER][4],char actions[MAX_AUTOMATION_ACTION_NUMBER][4][100], int loopCount,int debounceDelay) {
AutomationFlash newAutomation = {};
newAutomation.id = newId(PREFERENCES_AUTOMATION);
strcpy(newAutomation.label, label);
memcpy(newAutomation.conditions, conditions, sizeof(newAutomation.conditions));
memcpy(newAutomation.actions, actions, sizeof(newAutomation.actions));
newAutomation.autoRun = autoRun;
newAutomation.loopCount = loopCount;
newAutomation.debounceDelay = debounceDelay;
automations[firstEmptySlot(PREFERENCES_AUTOMATION)] = newAutomation;
save(PREFERENCES_AUTOMATION);
return automationToJson(newAutomation);
}
String PreferenceHandler::editAutomation(AutomationFlash& automation, const char* newLabel, int newAutoRun,const int16_t newConditions[MAX_AUTOMATIONS_NUMBER][4],char newActions[MAX_AUTOMATION_ACTION_NUMBER][4][100], int newLoopCount,int newDebounceDelay) {
bool hasChanged = false;
if (newConditions && memcmp(automation.conditions, newConditions, sizeof(automation.conditions)) != 0) {
memcpy(automation.conditions, newConditions, sizeof(automation.conditions));
hasChanged = true;
}
if (newActions && memcmp(automation.actions, newActions, sizeof(automation.actions)) != 0) {
memcpy(automation.actions, newActions, sizeof(automation.actions));
hasChanged = true;
}
if (automation.autoRun != newAutoRun) {
automation.autoRun = newAutoRun;
hasChanged = true;
}
if (newLabel && strcmp(automation.label, newLabel) != 0) {
strcpy(automation.label, newLabel);
hasChanged = true;
}
if (automation.loopCount != newLoopCount) {
automation.loopCount = newLoopCount;
hasChanged = true;
}
if (automation.debounceDelay != newDebounceDelay) {
automation.debounceDelay = newDebounceDelay;
hasChanged = true;
}
if (hasChanged) {
save(PREFERENCES_AUTOMATION);
}
return automationToJson(automation);
}
// Camera
void PreferenceHandler::createCamera(const int model) {
// Create new GpioFlash that will avoid double use of a camera used pin.
for (int i=0; i<16; i++) {
GpioFlash newGpio = {};
newGpio.pin = cameraPinsConfig[model-1][i];
strcpy(newGpio.label, "Camera pin");
newGpio.mode = -100;
gpios[newGpio.pin] = newGpio;
}
save(PREFERENCES_GPIOS);
camera.model = model;
saveCameraSettings();
}
void PreferenceHandler::removeCamera() {
// Remove blocked GpioFlash
for (int i=0; i<16; i++) {
const int pinToRemove = cameraPinsConfig[camera.model-1][i];
gpios[pinToRemove] = {};
}
save(PREFERENCES_GPIOS);
esp_camera_deinit();
camera.model = 0;
save(PREFERENCES_CAMERA);
}
bool PreferenceHandler::initCamera(const int model) {
camera_config_t config;
config.ledc_channel = LEDC_CHANNEL_0;
config.ledc_timer = LEDC_TIMER_0;
config.pin_d0 = cameraPinsConfig[model-1][0];
config.pin_d1 = cameraPinsConfig[model-1][1];
config.pin_d2 = cameraPinsConfig[model-1][2];
config.pin_d3 = cameraPinsConfig[model-1][3];
config.pin_d4 = cameraPinsConfig[model-1][4];
config.pin_d5 = cameraPinsConfig[model-1][5];
config.pin_d6 = cameraPinsConfig[model-1][6];
config.pin_d7 = cameraPinsConfig[model-1][7];
config.pin_xclk = cameraPinsConfig[model-1][8];
config.pin_pclk = cameraPinsConfig[model-1][9];
config.pin_vsync = cameraPinsConfig[model-1][10];
config.pin_href = cameraPinsConfig[model-1][11];
config.pin_sscb_sda = cameraPinsConfig[model-1][12];
config.pin_sscb_scl = cameraPinsConfig[model-1][13];
config.pin_pwdn = cameraPinsConfig[model-1][14];
config.pin_reset = cameraPinsConfig[model-1][15];
config.xclk_freq_hz = 20000000;
config.pixel_format = PIXFORMAT_JPEG;
//init with high specs to pre-allocate larger buffers
if(psramFound()){
config.frame_size = FRAMESIZE_UXGA;
config.jpeg_quality = 10;
config.fb_count = 2;
} else {
config.frame_size = FRAMESIZE_SVGA;
config.jpeg_quality = 12;
config.fb_count = 1;
}
// camera init
esp_err_t err = esp_camera_init(&config);
if (err != ESP_OK) {
#ifdef __debug
Serial.printf("[CAMERA] init failed with error 0x%x", err);
#endif
return false;
}
sensor_t * s = esp_camera_sensor_get();
if (camera.model != 0) {
s->set_framesize(s, (framesize_t)camera.framsize);
s->set_quality(s, camera.quality);
s->set_contrast(s, camera.contrast);
s->set_brightness(s, camera.brightness);
s->set_saturation(s, camera.saturation);
s->set_sharpness(s, camera.sharpness);
s->set_gainceiling(s, (gainceiling_t)camera.gainceiling);
s->set_colorbar(s, camera.colorbar);
s->set_whitebal(s, camera.awb);
s->set_gain_ctrl(s, camera.agc);
s->set_exposure_ctrl(s, camera.aec);
s->set_hmirror(s, camera.hmirror);
s->set_vflip(s, camera.vflip);
s->set_awb_gain(s, camera.awbGain);
s->set_agc_gain(s, camera.agcGain);
s->set_aec_value(s, camera.aecValue);
s->set_aec2(s, camera.aec2);
s->set_denoise(s, camera.denoise);
s->set_dcw(s, camera.dcw);
s->set_bpc(s, camera.bpc);
s->set_wpc(s, camera.wpc);
s->set_raw_gma(s, camera.rawGma);
s->set_lenc(s, camera.lenc);
s->set_special_effect(s, camera.specialEffect);
s->set_wb_mode(s, camera.wbMode);
s->set_ae_level(s, camera.aeLevel);
} else {
//initial sensors are flipped vertically and colors are a bit saturated
if (s->id.PID == OV3660_PID) {
s->set_vflip(s, 1);//flip it back
s->set_brightness(s, 1);//up the blightness just a bit
s->set_saturation(s, -2);//lower the saturation
}
//drop down frame size for higher initial frame rate
s->set_framesize(s, FRAMESIZE_QVGA);
if (model == 4) {
s->set_vflip(s, 1);
s->set_hmirror(s, 1);
}
}
return true;
}
String PreferenceHandler::getCameraJson() {
sensor_t * s = esp_camera_sensor_get();
String output;
if(s == NULL){
StaticJsonDocument<3> doc;
doc["model"] = camera.model;
doc["faceRecognitionEnable"] = camera.faceRecognitionEnable;
doc["isEnrolling"] = camera.isEnrolling;
serializeJson(doc, output);
} else {