MqttMonitor/hmi.h

/*
 * hmi.h
 *
 *  Created on: 02.03.2016
 *      Author: dehottgw
 */

#ifndef HMI_H_
#define HMI_H_


#include <Adafruit_GFX.h>
// #include <Adafruit_TFTLCD.h>
#include "Adafruit_ILI9341.h"



namespace HmiNS {
//	const static uint8_t LCD_CS = A3;
//	const static uint8_t LCD_CD = A2;
//    const static uint8_t LCD_WR = A1;
//    const static uint8_t LCD_RD = A0;
//	const static uint8_t LCD_RESET = A4;

	const static uint16_t BLACK   = 0x0000;
	const static uint16_t BLUE    = 0x001F;
	const static uint16_t RED     = 0xF800;
	const static uint16_t GREEN   = 0x07E0;
	const static uint16_t CYAN    = 0x07FF;
	const static uint16_t MAGENTA = 0xF81F;
	const static uint16_t YELLOW  = 0xFFE0;
	const static uint16_t WHITE   = 0xFFFF;

    const static uint8_t BUFFERLEN_MESSAGESLOT = 9;
    const static uint8_t NUM_OF_MESSAGESLOTS = 13;
}


struct MessageSlot {
	char header[HmiNS::BUFFERLEN_MESSAGESLOT+1];
	char body[HmiNS::BUFFERLEN_MESSAGESLOT+1];
	uint32_t timestamp;
};

class Hmi {
public:
	Hmi();
	void begin();
	void exec();
	void updateMessage();
	void updateMessage(uint8_t slot, char* header, char* body);
	void toggleAlarmState(); // only for debug
private:
	void drawMessages();
	Adafruit_ILI9341 m_tft;
	uint16_t m_displayIdentifier;
	bool m_messageDrawUpdateRequired;
	bool m_alarmMessageAvailable;
	MessageSlot m_messageSlots[HmiNS::NUM_OF_MESSAGESLOTS];
};



#endif /* HMI_H_ */