#ifndef __ili9341_H
#define __ili9341_H

#include "singleton.h"
#include <inttypes.h>
#include <initializer_list>
#include "main.h"

// Color definitions
#define ILI9341_BLACK       0x0000      /*   0,   0,   0 */
#define ILI9341_NAVY        0x000F      /*   0,   0, 128 */
#define ILI9341_DARKGREEN   0x03E0      /*   0, 128,   0 */
#define ILI9341_DARKCYAN    0x03EF      /*   0, 128, 128 */
#define ILI9341_MAROON      0x7800      /* 128,   0,   0 */
#define ILI9341_PURPLE      0x780F      /* 128,   0, 128 */
#define ILI9341_OLIVE       0x7BE0      /* 128, 128,   0 */
#define ILI9341_LIGHTGREY   0xC618      /* 192, 192, 192 */
#define ILI9341_DARKGREY    0x7BEF      /* 128, 128, 128 */
#define ILI9341_BLUE        0x001F      /*   0,   0, 255 */
#define ILI9341_GREEN       0x07E0      /*   0, 255,   0 */
#define ILI9341_CYAN        0x07FF      /*   0, 255, 255 */
#define ILI9341_RED         0xF800      /* 255,   0,   0 */
#define ILI9341_MAGENTA     0xF81F      /* 255,   0, 255 */
#define ILI9341_YELLOW      0xFFE0      /* 255, 255,   0 */
#define ILI9341_WHITE       0xFFFF      /* 255, 255, 255 */
#define ILI9341_ORANGE      0xFD20      /* 255, 165,   0 */
#define ILI9341_GREENYELLOW 0xAFE5      /* 173, 255,  47 */
#define ILI9341_PINK		0xF81F


class Ili9341Fsmc : public Singleton<Ili9341Fsmc>
{
public:
	Ili9341Fsmc(volatile uint16_t *reg, volatile uint16_t *ram,
			DMA_TypeDef *dma, uint32_t dmaStream,
			bool horizontal = true);

	void FillRect(uint16_t color);
	void FillRect(uint16_t x, uint16_t y, uint16_t width, uint16_t height, uint16_t color);
	uint16_t Width() { return m_width; }
	uint16_t Height() { return m_height; }

	inline void WaitDmaIddle() { while(m_dmaEngineBusy); }

	void Test();


private:
	inline void WriteCmd(uint16_t cmd) { *m_reg = cmd; }
	inline void WriteCmd(uint16_t cmd, uint16_t param) { *m_reg = cmd; *m_ram = param; }
	void WriteCmd(uint16_t cmd, std::initializer_list<uint16_t> params);
	void WriteCmd_(uint16_t cmd, uint16_t cnt, ...);
	void SetRect(uint16_t x, uint16_t y, uint16_t width, uint16_t height);

	volatile uint16_t * const	m_reg;
	volatile uint16_t * const	m_ram;

	DMA_TypeDef 				*m_dma;
	uint32_t 					m_dmaStream;
	friend void HandleLcdDmaIrq();
	void SetupDmaSize(uint32_t size);
	void DmaTransferComplete();
	bool 		m_dmaEngineBusy = false;
	uint32_t	m_dmaRemainingPixels = 0;
	uint16_t	m_dmaColor = 0;

	uint16_t const m_width;
	uint16_t const m_height;

	uint16_t	m_rectX;
	uint16_t	m_rectY;
	uint16_t	m_rectWidth;
	uint16_t	m_rectHeight;
};


/* Includes ------------------------------------------------------------------*/
void ili9341_Reset(void);
void ili9341_writeData(char Data);
void ili9341_writeCommand(char Command);
void ili9341_init(void);

#endif