mips_sys

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#include "cyc_cnt.h"
#include "lcd.h"
static volatile unsigned char *const lcd_ptr =
  (volatile unsigned char *)0x80000100;
/**
 * @brief set data to LCD
 * @param[in] data data to LCD
 */
void lcd_set_data(unsigned char data)
{
  lcd_ptr[0] = data;
}
/**
 * @brief set enable signal to LCD
 * @param[in] state state for enable signal (0 or 1)
 */
void lcd_set_e(unsigned char state)
{
  lcd_ptr[1] = state;
}
/**
 * @brief set register select signal to LCD
 * @param[in] state state for register select signal (0 or 1)
 */
void lcd_set_rs(unsigned char state)
{
  lcd_ptr[2] = state;
}
/**
 * @brief set read/write signal to LCD
 * @param[in] state state for read/write signal (0 or 1)
 */
void lcd_set_rw(unsigned char state)
{
  lcd_ptr[3] = state;
}
/** set LCD to 4 bit mode */
void lcd_set4bit(void)
{
  lcd_set_data(0x0F);
  lcd_set_e(0);
  lcd_set_rs(0);
  lcd_set_rw(0);
  cyc_cnt_delay(15 * CYC_CNT_MS);
  lcd_set_data(0x3F);
 
 
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