/**
* \brief Read 16 bit data.
*/
static uint16_t ili9325_lcd_get_16(void)
{
uint16_t us_value;
us_value = LCD_RD();
us_value = (us_value << 8) | LCD_RD();
return us_value;
}
static inline unsigned short lcd_read (void) {
unsigned short id;
DATA_LCD_DDR = 0x00;
LCD_RD(0)
id=DATA_LCD_PIN &0x00FF;
LCD_RD(1)
LCD_RD(0)
id=(id << 8) | (DATA_LCD_PIN &0x00FF);
LCD_RD(1)
return(id);
}
/**
* \brief Read data to LCD GRAM.
*
* \note Because pixel data LCD GRAM is 18-bits, so convertion to RGB 24-bits
* will cause low color bit lose.
*
* \return color 24-bits RGB color.
*/
static uint32_t ili9325_read_ram(void)
{
uint8_t value[2];
uint32_t color;
value[0] = LCD_RD(); /* dummy read */
value[1] = LCD_RD(); /* dummy read */
value[0] = LCD_RD(); /* data upper byte */
value[1] = LCD_RD(); /* data lower byte */
/* Convert RGB565 to RGB888 */
/* For BGR format */
color = ((value[0] & 0xF8)) | /* R */
((value[0] & 0x07) << 13) | ((value[1] & 0xE0) << 5) | /* G */
((value[1] & 0x1F) << 19); /* B */
return color;
}
static inline void wr_dat (unsigned short c) {
LCD_RS(1)
LCD_RD(1)
lcd_send(c);
}
static inline void wr_cmd (unsigned char c) {
LCD_RS(0)
LCD_RD(1)
lcd_send(c);
}