///////////////////////////////////////////////////////////////////////////////
/// \file  nokia.h
/// \brief Nokia functions through the SPI3
/// \version 1.0 first release
/// \author Pascal Sartoretti (sap at hevs dot ch)
/// \date   04-2014
/// \details The LCD is connected to the module inteface bus
///////////////////////////////////////////////////////////////////////////////

#ifndef NOKIA_H_
#define NOKIA_H_
#define RST_NOKIA_Pin GPIO_PIN_8
#define RST_NOKIA_GPIO_Port GPIOB
#define D_C_NOKIA_Pin GPIO_PIN_9
#define D_C_NOKIA_GPIO_Port GPIOB
#define CS_NOKIA_Pin GPIO_PIN_6
#define CS_NOKIA_GPIO_Port GPIOF
extern SPI_HandleTypeDef hspi2;

extern const size_t gNokiaBufferSize;	// to export size of buffer
extern uint8_t gNokiaBuffer[];	// to export address of buffer

///////////////////////////////////////////////////////////////////////////////
/// \brief Inits the SPI and the Nokia LCD
/// \details Setup used pins, SPI3 and LCD for normal usage
///////////////////////////////////////////////////////////////////////////////
void Nokia_Init(void);

///////////////////////////////////////////////////////////////////////////////
/// \brief Set the memory pointer to a given position
/// \param posX Has to be a value between 0 and 83 (nb horizontal pixels)
/// \param posY Has to be a value between 0 to 5 (number of lines)
///////////////////////////////////////////////////////////////////////////////
void NokiaGotoXY(uint8_t posX, uint8_t posY);

///////////////////////////////////////////////////////////////////////////////
/// \brief Clear the display buffer
/// \details Setup FSMC interface and 8255 configuration
///////////////////////////////////////////////////////////////////////////////
void NokiaClrDisplay(void);

///////////////////////////////////////////////////////////////////////////////
/// \brief send the video buffer to the LCD through SPI
///////////////////////////////////////////////////////////////////////////////

void NokiaUpdate(void);

///////////////////////////////////////////////////////////////////////////////
/// \brief Set a pixel at a given position
/// \param posX Has to be a value between 0 and 83 (nb horizontal pixels)
/// \param posY Has to be a value between 0 to 47 (nb vertical pixels)
///////////////////////////////////////////////////////////////////////////////
void NokiaSetPixel(uint8_t posX, uint8_t posY);

///////////////////////////////////////////////////////////////////////////////
/// \brief Clear a pixel at a given position
/// \param posX Has to be a value between 0 and 83 (nb horizontal pixels)
/// \param posY Has to be a value between 0 to 47 (nb vertical pixels)
///////////////////////////////////////////////////////////////////////////////
void NokiaClrPixel(uint8_t posX, uint8_t posY);

///////////////////////////////////////////////////////////////////////////////
/// \brief Draw a line at a given position and color
/// \param posX1 First X pixel point (0-83)
/// \param posY1 First Y pixel point (0-47)
/// \param posX2 Second X pixel point
/// \param posY2 Second Y pixel point
/// \param color Line color (0 = pixel is off, 1 = pixel is on)
///////////////////////////////////////////////////////////////////////////////
void NokiaDrawLine(uint8_t posX1, uint8_t posY1, uint8_t posX2, uint8_t posY2,
		uint8_t color);

///////////////////////////////////////////////////////////////////////////////
/// \brief Draw a line at a given position and color
/// \param msg Message string to display
/// \param posX Position of character in X axis (0-13)
/// \param posY Position of character in Y axis (0-5)
/// \param posY2 Second Y pixel point
/// \param color Text color (0 = inverted video, 1 = normal text)
///////////////////////////////////////////////////////////////////////////////
void NokiaMsg(const uint8_t * msg, uint8_t posX, uint8_t posY, uint8_t color);

#endif /* NOKIA_H_ */