X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fao_adc.c;h=3adf9b2e70277526e252770c7071dec7a400d0b1;hp=49d2519e209d5c4f2faf594c5afb08da9da42af6;hb=2681a17500913cbaf3966f09380bb1d6b59e3863;hpb=ddc83b4c401be965a9947782becf20cc8c54e6a2 diff --git a/src/ao_adc.c b/src/ao_adc.c index 49d2519e..3adf9b2e 100644 --- a/src/ao_adc.c +++ b/src/ao_adc.c @@ -19,24 +19,25 @@ #include "ao_pins.h" volatile __xdata struct ao_adc ao_adc_ring[AO_ADC_RING]; +#if HAS_ACCEL_REF +volatile __xdata uint16_t ao_accel_ref[AO_ADC_RING]; +#endif volatile __data uint8_t ao_adc_head; void ao_adc_poll(void) { +#if HAS_ACCEL_REF + ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | 2; +#else ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | 0; -} - -void -ao_adc_sleep(void) -{ - ao_sleep(&ao_adc_ring); +#endif } void ao_adc_get(__xdata struct ao_adc *packet) { - uint8_t i = ao_adc_ring_prev(ao_adc_head); + uint8_t i = ao_adc_ring_prev(ao_flight_adc); memcpy(packet, &ao_adc_ring[i], sizeof (struct ao_adc)); } @@ -47,25 +48,34 @@ ao_adc_isr(void) __interrupt 1 uint8_t __xdata *a; sequence = (ADCCON2 & ADCCON2_SCH_MASK) >> ADCCON2_SCH_SHIFT; - if (sequence == ADCCON3_ECH_TEMP) - sequence = 2; - a = (uint8_t __xdata *) (&ao_adc_ring[ao_adc_head].accel + sequence); +#if HAS_ACCEL_REF + if (sequence == 2) { + a = (uint8_t __xdata *) (&ao_accel_ref[ao_adc_head]); + sequence = 0; + } else +#endif + { + if (sequence == ADCCON3_ECH_TEMP) + sequence = 2; + a = (uint8_t __xdata *) (&ao_adc_ring[ao_adc_head].accel + sequence); + sequence++; + } a[0] = ADCL; a[1] = ADCH; - if (sequence < 5) { + if (sequence < 6) { #if HAS_EXTERNAL_TEMP == 0 /* start next channel conversion */ /* v0.2 replaces external temp sensor with internal one */ - if (sequence == 1) + if (sequence == 2) ADCCON3 = ADCCON3_EREF_1_25 | ADCCON3_EDIV_512 | ADCCON3_ECH_TEMP; else #endif - ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | (sequence + 1); + ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | sequence; } else { /* record this conversion series */ ao_adc_ring[ao_adc_head].tick = ao_time(); ao_adc_head = ao_adc_ring_next(ao_adc_head); - ao_wakeup(ao_adc_ring); + ao_wakeup(DATA_TO_XDATA(&ao_adc_head)); } }