/**
* \internal
* \brief Generate a delay in ms
*
* \param delay_ms Number of ms to wait
*/
static void main_delay_ms(uint16_t delay_ms)
{
uint16_t ticks_delay;
tc_write_count(CONF_DELAY_TC, 0);
ticks_delay = (uint64_t)tc_get_resolution(CONF_DELAY_TC) * delay_ms
/ 1000;
while (ticks_delay > tc_read_count(CONF_DELAY_TC)) {
}
}
void app_cpu_load_exit_sleep(void)
{
if (app_cpu_load_sleep) {
/* It is a sleep mode exit */
app_cpu_load_sleep = false;
app_cpu_load_time_sleep += tc_read_count(&TCC1);
/* Reset Timer counter */
tc_write_count(&TCC1, 0);
}
}
void app_cpu_load_enter_sleep(void)
{
/* Disable all interrupts to avoid interrupt
* before enter the CPU in sleep mode */
cpu_irq_disable();
app_cpu_load_sleep = true;
app_cpu_load_time_actif += tc_read_count(&TCC1);
/* Reset Timer counter */
tc_write_count(&TCC1, 0);
}
/**
* Record a trace event
* @param event
* @param data
*/
void hf_trace(uint8_t event, uint8_t data) {
irqflags_t irq;
irq = cpu_irq_save();
t_head->event = event;
t_head->data = data;
/* in 250nsec increments */
t_head->time = tc_read_count(&TCC0);
if (++t_head >= &trace_records[TRACE_RECORDS])
t_head = trace_records;
/* marker */
t_head->event = 255;
cpu_irq_restore(irq);
}
/**
* \brief Delay function which use a Timer Counter and can be aborted
* SW1 pressed stop delay.
*
* \param delay_ms delay in ms
*/
static void main_introduction_delay(uint16_t delay_ms)
{
/* Initialization TC to manage a delay between each slide */
tc_enable(&TCC1);
tc_write_clock_source(&TCC1, TC_CLKSEL_DIV1024_gc); /* 24MHz / 1024 */
tc_set_direction(&TCC1, TC_UP);
while (delay_ms) {
tc_write_count(&TCC1, 0);
uint16_t delay_step = delay_ms;
if (delay_step > 2800) {
delay_step = 2500;
}
while (tc_read_count(&TCC1) <
((24000lu * delay_step) / 1024lu)) {
if (main_introduction_is_exist()) {
break;
}
}
delay_ms -= delay_step;
}
tc_disable(&TCC1);
}
/*! \brief read the actual timer count from register
*/
uint16_t tmr_read_count(void)
{
return tc_read_count(TIMER);
}
uint16_t qdec_get_position(qdec_config_t *config)
{
return tc_read_count(config->timer);
}
