C++ (Cpp) LcdReadNibble Examples

Example #1

File: hd44780_at91.c Project: gaopindianzi/relay_nutos_lib_sources

/*!
 * \brief Read byte from LCD controller.
 */
static unsigned int LcdReadByte(void)
{
    outr(LCD_DATA_PIO_ID+PIO_ODR_OFF, LCD_DATA);
    LcdDelay(LCD_SHORT_DELAY);
    LCD_RW_SET();
    LcdDelay(LCD_SHORT_DELAY);
    return (LcdReadNibble() << 4) | LcdReadNibble();
}

Example #2

File: hd44780.c Project: MaurodeLyon/Embedded-Software-Ontwikkeling

static INLINE u_char LcdReadByte(void)
{    
    u_char data;
#if LCD_DATA_BITS == 0x0F
    data = LcdReadNibble();
    data = data | (LcdReadNibble() << 4);
#elif LCD_DATA_BITS == 0xF0
    data = LcdReadNibble() >> 4;
    data |= LcdReadNibble();
#elif LCD_DATA_BITS == 0xFF
    data = LcdReadNibble();
#else
#error "Bad definition of LCD_DATA_BITS"
#endif
    return data;
}