diff options
| author | Keith Packard <keithp@keithp.com> | 2011-03-18 20:07:25 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-03-18 20:07:25 -0700 |
| commit | cbb968f5cf03625d453d84dc535758072a2c04c7 (patch) | |
| tree | 2f7a6aa9f03bd69ed15e1792bc30181735e3c7f1 /src/ao_adc.c | |
| parent | 32c51840c792a737019fbc9fe42f2ca073b71827 (diff) | |
altos: Add TeleNano support
This just uses the TeleMini bits, which should work fine for now.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/ao_adc.c')
| -rw-r--r-- | src/ao_adc.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/ao_adc.c b/src/ao_adc.c index ce935716..d77e7753 100644 --- a/src/ao_adc.c +++ b/src/ao_adc.c @@ -30,7 +30,11 @@ 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 | 0; +# endif #endif } @@ -62,6 +66,7 @@ ao_adc_isr(void) __interrupt 1 a = (uint8_t __xdata *) (&ao_adc_ring[ao_adc_head].accel + sequence); sequence++; } +#define GOT_ADC a[0] = ADCL; a[1] = ADCH; if (sequence < 6) { @@ -79,6 +84,7 @@ ao_adc_isr(void) __interrupt 1 #if IGNITE_ON_P0 /* TeleMini readings */ a = (uint8_t __xdata *) (&ao_adc_ring[ao_adc_head].pres); +#ifdef TELEMINI_V_0_1 switch (sequence) { case 0: /* pressure */ @@ -105,6 +111,27 @@ ao_adc_isr(void) __interrupt 1 sequence = 0; break; } +#define GOT_ADC +#endif +#ifdef TELENANO_V_0_1 + switch (sequence) { + case 1: + /* pressure */ + a += 0; + sequence = ADCCON3_EREF_VDD | ADCCON3_EDIV_512 | 3; + break; + case 3: + /* battery */ + a += 4; + sequence = ADCCON3_EREF_1_25 | ADCCON3_EDIV_512 | ADCCON3_ECH_TEMP; + break; + case ADCCON3_ECH_TEMP: + a += 2; + sequence = 0; + break; + } +#define GOT_ADC +#endif a[0] = ADCL; a[1] = ADCH; if (sequence) { @@ -112,6 +139,9 @@ ao_adc_isr(void) __interrupt 1 ADCCON3 = sequence; } #endif +#ifndef GOT_ADC +#error No known ADC configuration set +#endif else { /* record this conversion series */ |