ESPMegaPRO-v3-SDK/ESPMegaPRO-firmware/lib/ESPMegaPRO/DigitalInputCard.hpp

55 lines
2.2 KiB
C++

#pragma once
#include <ExpansionCard.hpp>
#include <PCF8574.h>
#include <vector>
#define CARD_TYPE_DIGITAL_INPUT 0x01
class DigitalInputCard : public ExpansionCard {
public:
// Instantiate the card with the specified address
DigitalInputCard(uint8_t address_a, uint8_t address_b);
// Instantiate the card with the specified position on the dip switch
DigitalInputCard(bool bit0, bool bit1, bool bit2, bool bit3, bool bit4, bool bit5);
// Initialize the card
bool begin();
// Refresh and Read the input from the specified pin, always refresh the input buffers
bool digitalRead(uint8_t pin);
// Read the input from the specified pin, also refresh the input buffers if refresh is true
bool digitalRead(uint8_t pin, bool refresh);
// Preform a loop to refresh the input buffers
void loop();
// Get the input buffer for bank A
uint8_t getInputBufferA();
// Get the input buffer for bank B
uint8_t getInputBufferB();
// Set the debounce time for the specified pin
void setDebounceTime(uint8_t pin, uint32_t debounceTime);
// Register a callback function to be called when a pin changes
void registerCallback(std::function<void(uint8_t, bool)> callback);
// Unregister the callback function
//void unregisterCallback(std::function<void(uint8_t, bool)> callback);
// Load a new pin map
void loadPinMap(uint8_t pinMap[16]);
// Get type of card
uint8_t getType();
private:
PCF8574 inputBankA;
PCF8574 inputBankB;
uint8_t address_a;
uint8_t address_b;
uint8_t inputBufferA;
uint8_t inputBufferB;
uint8_t previousInputBufferA;
uint8_t previousInputBufferB;
uint32_t debounceTime[16];
uint32_t lastDebounceTime[16];
// A map of the physical pin to the virtual pin
uint8_t pinMap[16];
// A map of the virtual pin to the physical pin
uint8_t virtualPinMap[16];
std::vector<std::function<void(uint8_t, bool)>> callbacks;
void refreshInputBankA();
void refreshInputBankB();
void handlePinChange(int pin, uint8_t& currentBuffer, uint8_t& previousBuffer);
};