diff options
| author | Robert Garbee <robert@gag.com> | 2012-07-19 11:40:20 -0600 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-10-16 22:11:12 -0700 |
| commit | 1747ab07dab6f4e977e0c3e83b57510cd668e369 (patch) | |
| tree | a4ea6808658f87afe489a8e11ba2c5b54516de6b /src/avr/ao_adc_avr.c | |
| parent | 440365bd17d804c2f574c35164612cf1682397d7 (diff) | |
telescience: steal last adc channel for icp3 most recent value
Make the ICP3 rpm counter use in ao_adc_avr.c optional
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/avr/ao_adc_avr.c')
| -rw-r--r-- | src/avr/ao_adc_avr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/avr/ao_adc_avr.c b/src/avr/ao_adc_avr.c index 3a262977..739a6d4a 100644 --- a/src/avr/ao_adc_avr.c +++ b/src/avr/ao_adc_avr.c @@ -16,6 +16,7 @@ */ #include "ao.h" +#include "ao_pwmin.h" volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING]; volatile __data uint8_t ao_data_head; @@ -93,9 +94,13 @@ ISR(ADC_vect) value = ADCL; value |= (ADCH << 8); ao_data_ring[ao_data_head].adc.adc[ao_adc_channel] = value; - if (++ao_adc_channel < NUM_ADC) + if (++ao_adc_channel < NUM_ADC - 1) ao_adc_start(); else { +#if HAS_ICP3_COUNT + /* steal last adc channel for pwm input */ + ao_data_ring[ao_data_head].adc.adc[ao_adc_channel] = ao_icp3_count; +#endif ADCSRA = ADCSRA_INIT; ao_data_ring[ao_data_head].tick = ao_time(); ao_data_head = ao_data_ring_next(ao_data_head); |