main(void)
{
serial_baud_9600();
serial_mode_8e1();
serial_transmitter_enable();
sleep_mode_idle();
/* setup timer2 to trigger interrupt a
* once every millisecond
* 128 * (124 + 1) / 16MHz = 1ms */
timer2_mode_ctc();
timer2_clock_d128();
timer2_compare_a_set(124);
timer2_interrupt_a_enable();
adc_reference_internal_5v();
adc_pin_select(5);
adc_clock_d128();
adc_trigger_freerunning();
adc_trigger_enable();
adc_interrupt_enable();
adc_enable();
sei();
while (1) {
char *p;
p = sprint_uint16_b10(buf, value);
*p++ = '\n';
*p = '\0';
serial_puts(buf);
}
}
main()
{
pin13_mode_output();
serial_baud_9600();
serial_mode_8e1();
serial_transmitter_enable();
sleep_mode_idle();
/* setup timer2 to trigger interrupt a
* once every millisecond */
timer2_mode_ctc();
timer2_compare_a_set(124);
timer2_clock_d128();
timer2_interrupt_a_enable();
sei();
while (1) {
uint16_t now = time;
if (now >= 6000) {
char *p;
timer2_clock_reset();
time = 0;
p = sprint_uint16_b10(buf, now);
*p++ = '\n';
*p = '\0';
serial_puts(buf);
}
sleep_enable();
sleep_cpu();
sleep_disable();
}
}
main()
{
uint8_t state = 0;
serial_baud_9600();
serial_mode_8e1();
serial_transmitter_enable();
sleep_mode_idle();
pin13_mode_output();
pin13_low();
/* setup timer2 to trigger interrupt a
* once every millisecond
* 128 * (124 + 1) / 16MHz = 1ms */
timer2_mode_ctc();
timer2_clock_d128();
timer2_compare_a_set(124);
timer2_interrupt_a_enable();
adc_reference_internal_5v();
adc_pin_select(5);
adc_clock_d128();
adc_trigger_freerunning();
adc_trigger_enable();
adc_interrupt_enable();
adc_enable();
sei();
while (1) {
uint16_t value;
cli();
if (!new_value) {
sleep_enable();
sei();
sleep_cpu();
sleep_disable();
continue;
}
sei();
value = adc_data();
new_value = 0;
if (state && value < BOUND_LOW) {
uint16_t now = time;
char *p;
timer2_clock_reset();
time = 0;
pin13_low();
p = sprint_uint16_b10(buf, now);
*p++ = '\n';
*p = '\0';
serial_puts(buf);
state = 0;
continue;
}
if (value > BOUND_HIGH) {
pin13_high();
state = 1;
}
}
}