diff options
Diffstat (limited to 'src-avr/ao_adc_avr.c')
| -rw-r--r-- | src-avr/ao_adc_avr.c | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/src-avr/ao_adc_avr.c b/src-avr/ao_adc_avr.c index e384a28d..18aef5bb 100644 --- a/src-avr/ao_adc_avr.c +++ b/src-avr/ao_adc_avr.c @@ -20,7 +20,6 @@ volatile __xdata struct ao_adc ao_adc_ring[AO_ADC_RING]; volatile __data uint8_t ao_adc_head; -#define ADC0 const uint8_t adc_channels[NUM_ADC] = { 0x00, 0x01, @@ -38,10 +37,6 @@ const uint8_t adc_channels[NUM_ADC] = { static uint8_t ao_adc_channel; - -static uint16_t ao_adc_int_count; -static uint16_t ao_adc_int_error; - #define ADC_CHANNEL_LOW(c) (((c) & 0x1f) << MUX0) #define ADC_CHANNEL_HIGH(c) ((((c) & 0x20) >> 5) << MUX5) @@ -75,11 +70,8 @@ ao_adc_start(void) ISR(ADC_vect) { uint16_t value; - uint8_t channel; - ++ao_adc_int_count; - channel = (ADMUX & 0x1f) | (ADCSRB & 0x20); - if (adc_channels[ao_adc_channel] != channel) - ++ao_adc_int_error; + + /* Must read ADCL first or the value there will be lost */ value = ADCL; value |= (ADCH << 8); ao_adc_ring[ao_adc_head].adc[ao_adc_channel] = value; @@ -114,14 +106,10 @@ ao_adc_dump(void) __reentrant { static __xdata struct ao_adc packet; uint8_t i; - printf ("interrupts: %u\n", ao_adc_int_count); - printf ("errors: %u\n", ao_adc_int_error); ao_adc_get(&packet); - printf ("ADMUX %02x ADCSRA %02x ADCSRB %02x\n", - ADMUX, ADCSRA, ADCSRB); printf("tick: %5u", packet.tick); for (i = 0; i < NUM_ADC; i++) - printf (" %5u", packet.adc[i]); + printf (" %2d: %5u", i, packet.adc[i]); printf ("\n"); } |