ESPMegaPRO-v3-SDK/ESPMegaPRO-OS-SDK/lib/ESPMegaPRO/ESPMegaDisplay.hpp

62 lines
2.5 KiB
C++

#pragma once
#include <Arduino.h>
#include <map>
#define DISPLAY_MUTEX_TAKE_TIMEOUT 1000 // ms
#define OTA_WAIT_TIMEOUT 1000 // ms
#define DISPLAY_FETCH_TIMEOUT 100 // ms
#define DISPLAY_FETCH_RETRY_COUNT 5
/**
* @brief The ESPMegaDisplay class is a class for controlling the ESPMegaDisplay.
*
* @note The ESPMegaDisplay is a UART controlled display.
* @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.
*/
class ESPMegaDisplay
{
public:
ESPMegaDisplay(HardwareSerial *displayAdapter);
void begin();
void loop();
void reset();
void setBrightness(int value);
void setVolume(int value);
void jumpToPage(int page);
void setString(const char* component, const char* value);
void setNumber(const char* component, int value);
const char* getString(const char* component);
bool getStringToBuffer(const char* component, char* buffer, uint8_t buffer_size);
uint32_t getNumber(const char* component);
uint16_t registerTouchCallback(std::function<void(uint8_t, uint8_t, uint8_t)> callback);
void unregisterTouchCallback(uint16_t handle);
uint16_t registerPageChangeCallback(std::function<void(uint8_t)> callback);
void unregisterPageChangeCallback(uint16_t handle);
uint16_t registerPayloadCallback(std::function<void(uint8_t, uint8_t*, uint8_t)> callback);
void unregisterPayloadCallback(uint16_t handle);
void takeSerialMutex();
void giveSerialMutex();
bool beginOTA(size_t size);
bool writeOTA(uint8_t* data, size_t size);
void endOTA();
protected:
SemaphoreHandle_t serialMutex;
uint8_t currentPage;
uint8_t rx_buffer_index;
char rx_buffer[256];
char tx_buffer[256];
bool recieveSerialCommand();
bool recieveSerialCommand(bool process);
void processSerialCommand();
void processTouchPayload();
void processPageReportPayload();
void sendStopBytes();
void sendCommand(char* command);
bool payloadIsValid();
bool waitForValidPayload(uint32_t timeout);
HardwareSerial *displayAdapter;
std::map<uint16_t, std::function<void(uint8_t, uint8_t, uint8_t)>> touch_callbacks;
std::map<uint16_t, std::function<void(uint8_t)>> page_change_callbacks;
std::map<uint16_t, std::function<void(uint8_t, uint8_t*, uint8_t)>> payload_callbacks;
};