/* Configure the TCC for SLCD back light blinking.  */
void configure_tcc(void)
/* Configure the TCC for SLCD back light blinking.  */
void configure_tcc(void)
{
	struct tcc_config config_tcc;
	tcc_get_config_defaults(&config_tcc, TCC0);
	config_tcc.counter.clock_source = GCLK_GENERATOR_0;
	config_tcc.counter.clock_prescaler = TCC_CLOCK_PRESCALER_DIV64;
	config_tcc.counter.period = SLCD_BLINK_SPEED;
	tcc_init(&tcc_instance, TCC0, &config_tcc);
}