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== 2) && (LCD_DATA3_PIN == 3) )
220: {
221: DDR(LCD_DATA0_PORT) &= 0xF0; /* configure data pins as
input */
222:
223: lcd_e_high();
224: lcd_e_delay();
225: data = PIN(LCD_DATA0_PORT) read instruction from LCD_IO_FUNCTION */
269: /* rs==1 -> read data from LCD_IO_DATA */
270: #endif
271:
272:
273:
/************************************************************************
*
274: loops while lcd is busy, returns address counter
275:
*************************************************************************
/
276: static uint8_t lcd_waitbusy(void)
277:
278: {
279: register uint8_t c;
280:
281: /* wait until busy flag is cleared */
231