PicoModel Class Reference

#include <PicoModel.h>

Inheritance diagram for PicoModel:

Collaboration diagram for PicoModel:

Public Member Functions
	PicoModel ()
void	onStart ()
float	getTemperature ()
void	setLedState (bool state)
bool	getLedState ()
bool	getGpioState (int pin)
void	setGpioState (int pin, bool state)
void	saveState ()
void	restoreState ()
void	onNetworkReady ()
Public Member Functions inherited from FrameworkModel
	FrameworkModel (const std::string &path)
	Constructor.
bool	load ()
	Loads the JSON collection from storage.
bool	save ()
	Saves the current collection to storage.
std::vector< nlohmann::json >	all () const
	Returns all items in the collection.
std::optional< nlohmann::json >	find (const std::string &id) const
	Finds an item by ID.
bool	create (const nlohmann::json &item)
	Adds a new item to the collection.
bool	update (const std::string &id, const nlohmann::json &updatedItem)
	Updates an item by ID.
bool	remove (const std::string &id)
	Removes an item by ID.
nlohmann::json	toJson () const
	Returns the full collection as a JSON array object.
nlohmann::json	findAsJson (const std::string &id) const
	Finds a single item by ID and returns it as JSON or null.
bool	save (const std::string &id, const json &data)
	Saves a single item by ID and JSON object.
bool	createFromJson (const nlohmann::json &obj)
bool	updateFromJson (const std::string &id, const nlohmann::json &updates)
nlohmann::json	deleteAsJson (const std::string &id)
bool	saveAll ()
template<typename T >
T	getValue (const std::string &key, const T &defaultValue=T())
	Reads a single top-level key from the model file.
template<typename T >
void	setValue (const std::string &key, const T &value)
	Sets a single top-level key in the model file.

Private Attributes
std::vector< int >	activePins = { 2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 18, 19 }
bool	suppressSave = false

Additional Inherited Members
Protected Member Functions inherited from FrameworkModel
virtual std::string	getIdField () const
	Returns the JSON key used as the record ID.
Protected Attributes inherited from FrameworkModel
nlohmann::json	collection = nlohmann::json::array()
	In-memory array of records.

Detailed Description

Definition at line 5 of file PicoModel.h.

Constructor & Destructor Documentation

PicoModel()

PicoModel::PicoModel

(

)

Definition at line 13 of file PicoModel.cpp.

    : FrameworkModel("pico_model.json") // Initialize with a storage manager and path
{
}

Member Function Documentation

getGpioState()

bool PicoModel::getGpioState

(

int

pin

)

Definition at line 53 of file PicoModel.cpp.

{
    bool state = gpio_get(pin);
    return state; // Return the state of the specified GPIO pin
}

Referenced by GpioController::getState(), GpioController::handleGetMultipleGpios(), and saveState().

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getLedState()

bool PicoModel::getLedState

(

)

Definition at line 43 of file PicoModel.cpp.

{
    if (cyw43_is_initialized){
        return cyw43_arch_gpio_get(0); // Get GPIO 0 state for LED
    }
    else{
        return false; // Return false if Wi-Fi is not initialized
    }
}

Referenced by DashboardController::getLedState(), saveState(), and setLedState().

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getTemperature()

float PicoModel::getTemperature

(

)

Definition at line 24 of file PicoModel.cpp.

{
    adc_init();
    adc_set_temp_sensor_enabled(true);
    adc_select_input(4);
    float voltage = adc_read() * (3.3f / (1 << 12));
    return 27.0f - (voltage - 0.706f) / 0.001721f; // Convert voltage to temperature
}

Referenced by DashboardController::getTemperature().

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onNetworkReady()

void PicoModel::onNetworkReady

(

)

Definition at line 86 of file PicoModel.cpp.

{
    // This method is called when the network is ready
    // Initialize the LED state based on the stored value
    bool ledState = getValue("led", false);
    WithFlag _(suppressSave); // Suppress saving during initialization
    setLedState(ledState);
}

References FrameworkModel::getValue(), setLedState(), and suppressSave.

Referenced by App::onEvent().

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onStart()

void PicoModel::onStart

(

)

Definition at line 18 of file PicoModel.cpp.

{
    // Initialize GPIO for LED
    restoreState(); // Restore the state of the model
}

References restoreState().

Referenced by App::onStart().

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restoreState()

void PicoModel::restoreState

(

)

Definition at line 95 of file PicoModel.cpp.

{
    if (!load())
        return;
    printf("[PicoModel] Restoring state from storage...\n");
    // Restore LED state
    suppressSave = true; // Suppress saving during restore
    if (Network::isConnected())
    {
        bool ledState = getValue("led", false);
        setLedState(ledState);
    }
    else
    {
        printf("[PicoModel] Network not connected, deferring LED initialization\n");
    }
 
    // Restore GPIO pin states
    auto gpioStates = getValue<json>("gpio_states", {});
    for (auto &[pinStr, stateJson] : gpioStates.items())
    {
        int pin = std::stoi(pinStr);
        bool state = stateJson.get<bool>();
        setGpioState(pin, state);
    }
    suppressSave = false; // Re-enable saving after restore
}

References FrameworkModel::getValue(), Network::isConnected(), FrameworkModel::load(), setGpioState(), setLedState(), and suppressSave.

Referenced by onStart().

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saveState()

void PicoModel::saveState

(

)

Definition at line 70 of file PicoModel.cpp.

{
    // Update the model with the new state
    // Save the LED state
    setValue("led", getLedState());
    // Save the state of all active GPIO pins
    json gpios;
    for (int pin : activePins)
    {
        gpios[std::to_string(pin)] = getGpioState(pin);
    }
    setValue("gpio_states", gpios);
    printf("[PicoModel] Saving state to storage...\n");
    save();
}

References activePins, getGpioState(), getLedState(), FrameworkModel::save(), and FrameworkModel::setValue().

Referenced by setGpioState(), and setLedState().

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setGpioState()

void PicoModel::setGpioState	(	int	pin,
		bool	state
	)

Definition at line 59 of file PicoModel.cpp.

{
    gpio_init(pin);
    gpio_set_dir(pin, GPIO_OUT);
    gpio_put(pin, state);
    if (!suppressSave)
    {
        saveState(); // Only save if not restoring
    }
}

References saveState(), and suppressSave.

Referenced by restoreState(), and GpioController::setState().

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setLedState()

void PicoModel::setLedState

(

bool

state

)

Definition at line 34 of file PicoModel.cpp.

{
    cyw43_arch_gpio_put(0, state ? 1 : 0); // Set GPIO 0 for LED state
    setValue("led", getLedState());
    if (!suppressSave)
    {
        saveState(); // Only save if not restoring
    }
}

References getLedState(), saveState(), FrameworkModel::setValue(), and suppressSave.

Referenced by onNetworkReady(), restoreState(), and DashboardController::setLedState().

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Member Data Documentation

activePins

std::vector<int> PicoModel::activePins = { 2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 18, 19 }

private

Definition at line 31 of file PicoModel.h.

{ 2, 3, 4, 5, 6, 7, 8, 9, 16, 17, 18, 19 };  // Pins in use - staying away from sd card pins

Referenced by saveState().

suppressSave

bool PicoModel::suppressSave = false

private

Definition at line 33 of file PicoModel.h.

Referenced by onNetworkReady(), restoreState(), setGpioState(), and setLedState().

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The documentation for this class was generated from the following files:

• PicoModel.h
• PicoModel.cpp