ezLCD_103_common.h

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/* Used to prevent multiple inclusion of the header file */
#ifndef EZLCD_COMMON_H
#define EZLCD_COMMON_H

/*----------------------------------------------------------------------------*/
/* INCLUDES                                                                   */
/*----------------------------------------------------------------------------*/
#include "ezLCD_103_user_config.h"

/*----------------------------------------------------------------------------*/
/* CONSTANTS                                                                  */
/*----------------------------------------------------------------------------*/

#define EZLCD_WIDTH  320

#define EZLCD_HEIGHT 240

/*----------------------------------------------------------------------------*/
/* MACROS                                                                     */
/*----------------------------------------------------------------------------*/
#ifndef SETBIT
#define SETBIT(port,bit) ((port) |= (1 << (bit)))
#endif /* SETBIT */

#ifndef CLEARBIT
#define CLEARBIT(port,bit) ((port) &= ~(1 << (bit)))
#endif /* CLEARBIT */

#ifdef EZLCD_SPR2X
#define EZLCD_INIT_SPI() EZLCD_SPCR = ((0 << EZLCD_SPIE) |                    \
                                      (1 <<  EZLCD_SPE)  |                    \
                                      (0 <<  EZLCD_DORD) |                    \
                                      (1 <<  EZLCD_MSTR) |                    \
                                      (0 <<  EZLCD_CPOL) |                    \
                                      (0 <<  EZLCD_CPHA) |                    \
                                      (0 <<  EZLCD_SPR1) |                    \
                                      (0 <<  EZLCD_SPR0));                    \
                        CLEARBIT(EZLCD_SPSR, EZLCD_SPR2X);
#else
#define EZLCD_INIT_SPI() EZLCD_SPCR = ((0 << EZLCD_SPIE) |                    \
                                      (1 <<  EZLCD_SPE)  |                    \
                                      (0 <<  EZLCD_DORD) |                    \
                                      (1 <<  EZLCD_MSTR) |                    \
                                      (0 <<  EZLCD_CPOL) |                    \
                                      (0 <<  EZLCD_CPHA) |                    \
                                      (0 <<  EZLCD_SPR1) |                    \
                                      (0 <<  EZLCD_SPR0));   
#endif /* SPR2X */                                      

#define EZLCD_SLAVE_SELECT() CLEARBIT(EZLCD_SPI_PORT, EZLCD_SS_BAR_PIN);

#define EZLCD_SLAVE_DESELECT() SETBIT(EZLCD_SPI_PORT, EZLCD_SS_BAR_PIN);


/*----------------------------------------------------------------------------*/
/* TYPEDEFS                                                                   */
/*----------------------------------------------------------------------------*/

typedef unsigned char  uint8_t      ;
typedef signed char     int8_t        ;
typedef unsigned int  uint16_t     ;
typedef signed int     int16_t       ;
typedef unsigned long uint32_t      ;
typedef unsigned long  int32_t        ;

/*----------------------------------------------------------------------------*/
/* FUNCTIONS                                                                  */
/*----------------------------------------------------------------------------*/

uint8_t ezLCD_transfer_data(uint8_t data);

uint8_t ezLCD_transfer_data_long(uint8_t data, uint8_t end_transfer);

#endif /* EZLCD_COMMON_H */
 /* ezLCD_103_common */