/* Clear one character at the cursor current position on the OLED screen.  */
static void ssd1306_clear_char(void)
/* Clear one character at the cursor current position on the OLED screen.  */
static void ssd1306_clear_char(void)
{
	ssd1306_write_data(0x00);
	ssd1306_write_data(0x00);
	ssd1306_write_data(0x00);
	ssd1306_write_data(0x00);
	ssd1306_write_data(0x00);
	ssd1306_write_data(0x00);
}