/*
* lcd_an_register
* @lcd: LCD data.
* This function will register a LCD driver.
*/
void lcd_an_register(LCD_AN *lcd)
{
int32_t status = SUCCESS;
/* Initialize LCD. */
LCD_AN_TGT_CLR_RS(lcd);
LCD_AN_TGT_SET_RW(lcd);
LCD_AN_TGT_CLR_EN(lcd);
#if (LCD_AN_INIT_DELAY > 0)
/* Need to wait at least 15ms on power up. */
sleep_ms(LCD_AN_INIT_DELAY);
#endif
/* Send first 0x3. */
lcd_an_send_nibble(lcd, 0x3);
/* Controller still think that we are using 8bit mode so we can still read
* the status bit. */
status = lcd_an_wait_8bit(lcd);
if (status == SUCCESS)
{
/* Send second 0x3. */
LCD_AN_TGT_CLR_RW(lcd);
lcd_an_send_nibble(lcd, 0x3);
/* Wait for LCD to process the command in 8 bit mode. */
status = lcd_an_wait_8bit(lcd);
}
if (status == SUCCESS)
{
/* Send third 0x3. */
LCD_AN_TGT_CLR_RW(lcd);
lcd_an_send_nibble(lcd, 0x3);
/* Wait for LCD to process the command in 8 bit mode. */
status = lcd_an_wait_8bit(lcd);
}
if (status == SUCCESS)
{
/* Switch to 4-bit mode. */
LCD_AN_TGT_CLR_RW(lcd);
lcd_an_send_nibble(lcd, 0x2);
/* Wait for LCD to process the command in 8 bit mode. */
status = lcd_an_wait_8bit(lcd);
}
/* LCD configuration. */
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, FALSE, 0x28);
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, FALSE, 0x28);
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, FALSE, 0x08);
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, FALSE, 0x01);
#if (LCD_AN_CLEAR_DELAY > 0)
/* Wait for sometime before writing any more data. */
sleep_ms(LCD_AN_CLEAR_DELAY);
#endif
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, FALSE, 0x06);
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, FALSE, 0x0C);
}
if (status == SUCCESS)
{
/* Reset the cursor location. */
lcd->cur_column = lcd->cur_row = 0;
/* Register this LCD driver with console. */
lcd->console.fs.write = &lcd_an_write;
lcd->console.fs.ioctl = &lcd_an_ioctl;
console_register(&lcd->console);
/* There is always some space available for data to be sent. */
lcd->console.fs.flags |= FS_SPACE_AVAILABLE;
#ifdef LCD_AN_DEBUG
lcd_an_fd = fs_open("\\console\\lcd1", 0);
/* Connect LCD with debug console. */
fs_connect(lcd_an_fd, debug_fd);
#endif
}
} /* lcd_an_register */
/*
* lcd_an_register
* @lcd: LCD data.
* This function will register a LCD driver.
*/
void lcd_an_register(LCD_AN *lcd)
{
int32_t status = SUCCESS;
/* Initialize LCD. */
lcd->clr_rs(lcd);
lcd->set_rw(lcd);
lcd->clr_en(lcd);
#if (LCD_AN_INIT_DELAY > 0)
/* Need to wait at least 15ms on power up. */
sleep_fms(LCD_AN_INIT_DELAY);
#endif
/* Initialize LCD in 4-bit mode ignore status from initial commands. */
lcd_an_write_register(lcd, LCD_IGNORE_WAIT, 0x33);
lcd_an_write_register(lcd, LCD_IGNORE_WAIT, 0x32);
status = lcd_an_write_register(lcd, 0, 0x28);
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, 0, 0x08);
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, 0, 0x01);
#if (LCD_AN_CLEAR_DELAY > 0)
/* Wait for sometime before writing any more data. */
sleep_fms(LCD_AN_CLEAR_DELAY);
#endif
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, 0, 0x06);
}
if (status == SUCCESS)
{
status = lcd_an_write_register(lcd, 0, 0x0C);
}
if (status == SUCCESS)
{
/* Reset the cursor location. */
lcd->cur_column = lcd->cur_row = 0;
/* Register this LCD driver with console. */
lcd->console.fs.write = &lcd_an_write;
lcd->console.fs.ioctl = &lcd_an_ioctl;
console_register(&lcd->console);
/* There is always some space available for data to be sent. */
lcd->console.fs.flags |= FS_SPACE_AVAILABLE;
#ifdef LCD_AN_DEBUG
lcd_an_fd = fs_open("\\console\\lcd1", 0);
#endif
}
} /* lcd_an_register */
