diff options
| author | Keith Packard <keithp@keithp.com> | 2013-08-26 16:41:33 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-08-26 16:41:33 -0700 |
| commit | 2380a4b9bd69629c78eec0a87ff8681a0524d8d2 (patch) | |
| tree | d89ec47ef3a674a9150d0ff2af6e1fe51c9de8bc /src | |
| parent | aeb1c8a2aa533cb2805f0dbe848e098c8cae2b39 (diff) | |
cc1111: Rework ADC configuration a bit, fix Tm V2 ADC usage
The Tm v2 ADC code was not actually fetching and storing the ADC
conversion values.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/cc1111/ao_adc.c | 35 | ||||
| -rw-r--r-- | src/telemini-v2.0/ao_pins.h | 11 |
2 files changed, 25 insertions, 21 deletions
diff --git a/src/cc1111/ao_adc.c b/src/cc1111/ao_adc.c index 6cc08399..1523f94a 100644 --- a/src/cc1111/ao_adc.c +++ b/src/cc1111/ao_adc.c @@ -20,22 +20,22 @@ volatile __xdata struct ao_data ao_data_ring[AO_DATA_RING]; volatile __data uint8_t ao_data_head; +#ifdef TELENANO_V_0_1 +# define AO_ADC_FIRST_PIN 1 +#endif + +#if HAS_ACCEL_REF +# define AO_ADC_FIRST_PIN 2 +#endif + #ifndef AO_ADC_FIRST_PIN -#define AO_ADC_FIRST_PIN 0 +# define AO_ADC_FIRST_PIN 0 #endif void ao_adc_poll(void) { -#if HAS_ACCEL_REF - ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | 2; -#else -# ifdef TELENANO_V_0_1 - ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | 1; -# else ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | AO_ADC_FIRST_PIN; -# endif -#endif } void @@ -141,6 +141,7 @@ ao_adc_isr(void) __interrupt 1 if (sequence) { /* Start next conversion */ ADCCON3 = sequence; + return; } #endif /* telemini || telenano */ @@ -148,8 +149,10 @@ ao_adc_isr(void) __interrupt 1 a = (uint8_t __xdata *) (&ao_data_ring[ao_data_head].adc.sense[0] + sequence - AO_ADC_FIRST_PIN); a[0] = ADCL; a[1] = ADCH; - if (sequence < 5) + if (sequence < 5) { ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | (sequence + 1); + return; + } #define GOT_ADC #endif /* TELEFIRE_V_0_1 */ @@ -157,8 +160,6 @@ ao_adc_isr(void) __interrupt 1 a = (uint8_t __xdata *) (&ao_data_ring[ao_data_head].adc.batt); a[0] = ADCL; a[1] = ADCH; - if (0) - ; #define GOT_ADC #endif @@ -171,12 +172,10 @@ ao_adc_isr(void) __interrupt 1 #error No known ADC configuration set #endif - else { - /* record this conversion series */ - ao_data_ring[ao_data_head].tick = ao_time(); - ao_data_head = ao_data_ring_next(ao_data_head); - ao_wakeup(DATA_TO_XDATA(&ao_data_head)); - } + /* record this conversion series */ + ao_data_ring[ao_data_head].tick = ao_time(); + ao_data_head = ao_data_ring_next(ao_data_head); + ao_wakeup(DATA_TO_XDATA(&ao_data_head)); } static void diff --git a/src/telemini-v2.0/ao_pins.h b/src/telemini-v2.0/ao_pins.h index 9ecd076e..fac6c535 100644 --- a/src/telemini-v2.0/ao_pins.h +++ b/src/telemini-v2.0/ao_pins.h @@ -31,7 +31,6 @@ #define USE_INTERNAL_FLASH 0 #define HAS_DBG 0 #define PACKET_HAS_SLAVE 1 -#define USE_FAST_ASCENT_LOG 1 #define AO_LED_GREEN 1 #define AO_LED_RED 2 @@ -127,6 +126,8 @@ struct ao_adc { printf("tick: %5u apogee: %5d main: %5d batt: %5d\n", \ (p)->tick, (p)->adc.sense_a, (p)->adc.sense_m, (p)->adc.v_batt) +#define AO_ADC_PINS ((1 << 0) | (1 << 1) | (1 << 4)) + #define FETCH_ADC() \ a = (uint8_t __xdata *) (&ao_data_ring[ao_data_head].adc); \ switch (sequence) { \ @@ -142,7 +143,11 @@ struct ao_adc { sequence = 1; \ break; \ } \ - if (sequence) \ - ; + a[0] = ADCL; \ + a[1] = ADCH; \ + if (sequence) { \ + ADCCON3 = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | sequence; \ + return; \ + } #endif /* _AO_PINS_H_ */ |