lcd_include.hpp

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#ifndef _LCD_INCLUDE_HPP
#define _LCD_INCLUDE_HPP

#define MAX_LCD_X 15  
#define MAX_LCD_Y 1   

/* Timing Variable */

#define COM_TIME_SCALER \
  7000  

// waiting phase time
#define LCD_WARM_UP_TIME_NANOSEC 49000000    
#define LCD_FIRST_INIT_TIME_NANOSEC 4500000  
#define LCD_SECOND_INIT_TIME_NANOSEC 150000  

// data cycle time
#define LCD_PULSE_WIDTH_NANOSEC 200 * COM_TIME_SCALER  
#define LCD_MIN_CYCLE_TIME_NANOSEC \
  410 * COM_TIME_SCALER  

// setup and hold time
// for writing
#define LCD_DATA_SETUP_TIME_NANOSEC \
  45 * COM_TIME_SCALER  
#define LCD_DATA_HOLD_TIME_NANOSEC \
  15 * COM_TIME_SCALER  

// for address based
#define LCD_ADDR_SETUP_TIME_NANOSEC \
  35 * COM_TIME_SCALER  

#define LCD_ADDR_HOLD_TIME_NANOSEC \
  15 * COM_TIME_SCALER  

#define TIVA_MAX_RISE_TIME 13  
#define TIVA_MAX_FALSE_TIME \
  14  


#define LCD_DATA_WRITE_WAIT_NANOSEC \
  TIVA_MAX_RISE_TIME + LCD_PULSE_WIDTH_NANOSEC - (LCD_DATA_SETUP_TIME_NANOSEC)

#define LCD_DATA_READ_DELAY_NANOSEC \
  800  

#define LCD_STARTUP_COMMAND 0b110000  
#define LCD_BEGIN_COMMAND \
  0b100000  
#define LCD_CLEAR_COMMAND 0b1         
#define LCD_RETURN_HOME_COMMAND 0b10  
#define LCD_JUMP_LINE_COMMAND 0xc0    

#define LCD_BUSY_BIT 7  
#define LCD_ADDR_COUNTER_MASK \
  0x7f  

#define LCD_MEMUSED_PER_x8_CHAR 8  

#endif