71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
#pragma once
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#include <ExpansionCard.hpp>
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#include <Adafruit_PWMServoDriver.h>
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// Protocol for digital output card
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// Note that pin is always 2 characters long and padded with 0 if necessary
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// Set pin state topic: <pin>/set/state payload: 0/1
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// Set pin pwm topic: <pin>/set/value payload: 0-4095
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// Publish pin state topic: <pin>/state payload: 0/1
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// Publish pin pwm topic: <pin>/value payload: 0-4095
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// Publish all topic: requeststate payload: N/A
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// Enable/disable publish topic: publish_enable payload: 0/1
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#define SET_STATE_TOPIC "/set/state"
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#define SET_VALUE_TOPIC "/set/value"
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#define STATE_TOPIC "/state"
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#define VALUE_TOPIC "/value"
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#define REQUEST_STATE_TOPIC "requeststate"
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#define PUBLISH_ENABLE_TOPIC "publish_enable"
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#define CARD_TYPE_DIGITAL_OUTPUT 0x00
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class DigitalOutputCard : public ExpansionCard
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{
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public:
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// Instantiate the card with the specified address
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DigitalOutputCard(uint8_t address);
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// Instantiate the card with the specified position on the dip switch
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DigitalOutputCard(bool bit0, bool bit1, bool bit2, bool bit3, bool bit4);
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// Initialize the card
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bool begin();
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// Dummy loop function
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void loop();
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// Set the output to the specified state
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// This function set both the state and the pwm value
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void digitalWrite(uint8_t pin, bool state);
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// Set the output to the specified pwm value
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// This function set both the state and the pwm value
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void analogWrite(uint8_t pin, uint16_t value);
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// Set the state of the specified pin
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void setState(uint8_t pin, bool state);
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// Set the pwm value of the specified pin
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void setValue(uint8_t pin, uint16_t value);
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// Get the state of the specified pin
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bool getState(uint8_t pin);
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// Get the pwm value of the specified pin
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uint16_t getValue(uint8_t pin);
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// Register a callback function that will be called when the state of a pin changes
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void registerChangeCallback(std::function<void(uint8_t, bool, uint16_t)> callback);
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// Deregister the callback function
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void deregisterChangeCallback();
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// Load a new pin map
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void loadPinMap(uint8_t pinMap[16]);
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// Get type of card
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uint8_t getType();
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private:
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// The pwm driver
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Adafruit_PWMServoDriver pwm;
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// The address of the card
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uint8_t address;
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// The state of the card
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bool state_buffer[16];
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// The pwm value of the card
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uint16_t value_buffer[16];
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// The callback function
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std::function<void(uint8_t, bool, uint16_t)> change_callback;
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// Physical pin to virtual pin map
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uint8_t pinMap[16];
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// Virtual pin to physical pin map
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uint8_t virtualPinMap[16];
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}; |