69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
#pragma once
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#include <Arduino.h>
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#include <map>
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#define DISPLAY_MUTEX_TAKE_TIMEOUT 1000 // ms
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#define OTA_WAIT_TIMEOUT 1000 // ms
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#define DISPLAY_FETCH_TIMEOUT 100 // ms
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#define DISPLAY_FETCH_RETRY_COUNT 5
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/**
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* @brief The ESPMegaDisplay class is a class for controlling the ESPMegaDisplay.
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*
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* @note The ESPMegaDisplay is a UART controlled display.
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* @note Connect the Display's TX pin to the ESPMega's RX pin and the Display's RX pin to the ESPMega's TX pin.
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*/
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class ESPMegaDisplay
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{
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public:
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ESPMegaDisplay(HardwareSerial *displayAdapter, uint16_t baudRate, uint16_t uploadBaudRate, uint8_t txPin, uint8_t rxPin);
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void begin();
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void loop();
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void reset();
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void setBrightness(int value);
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void setVolume(int value);
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void jumpToPage(int page);
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void setString(const char* component, const char* value);
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void setNumber(const char* component, int value);
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const char* getString(const char* component);
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bool getStringToBuffer(const char* component, char* buffer, uint8_t buffer_size);
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uint32_t getNumber(const char* component);
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uint16_t registerTouchCallback(std::function<void(uint8_t, uint8_t, uint8_t)> callback);
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void unregisterTouchCallback(uint16_t handle);
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uint16_t registerPageChangeCallback(std::function<void(uint8_t)> callback);
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void unregisterPageChangeCallback(uint16_t handle);
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uint16_t registerPayloadCallback(std::function<void(uint8_t, uint8_t*, uint8_t)> callback);
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void unregisterPayloadCallback(uint16_t handle);
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bool takeSerialMutex();
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void giveSerialMutex();
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SemaphoreHandle_t serialMutex;
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bool beginUpdate(size_t size);
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bool beginUpdate(size_t size, uint16_t baudRate);
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bool writeUpdate(uint8_t* data, size_t size);
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void endUpdate();
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size_t getUpdateBytesWritten();
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protected:
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uint16_t baudRate;
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uint16_t uploadBaudRate;
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uint8_t txPin;
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uint8_t rxPin;
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size_t otaBytesWritten;
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uint8_t currentPage;
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uint8_t rx_buffer_index;
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char rx_buffer[256];
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char tx_buffer[256];
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bool recieveSerialCommand();
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bool recieveSerialCommand(bool process);
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void processSerialCommand();
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void processTouchPayload();
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void processPageReportPayload();
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void sendStopBytes();
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void sendCommand(char* command);
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bool payloadIsValid();
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bool waitForValidPayload(uint32_t timeout);
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HardwareSerial *displayAdapter;
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std::map<uint16_t, std::function<void(uint8_t, uint8_t, uint8_t)>> touch_callbacks;
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std::map<uint16_t, std::function<void(uint8_t)>> page_change_callbacks;
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std::map<uint16_t, std::function<void(uint8_t, uint8_t*, uint8_t)>> payload_callbacks;
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}; |