diff options
| author | Keith Packard <keithp@keithp.com> | 2011-09-21 23:21:04 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2011-09-21 23:21:04 -0700 |
| commit | f1328d22aab4378c4fb6f0c24dbee95948ca836c (patch) | |
| tree | 41f7281fd909fb02ec46cef6490c1d0b8dadcc0d | |
| parent | 9b498a6b1327f543c73145e02ff16e76d09f2fe4 (diff) | |
Dump test conversion of ADC0
| -rw-r--r-- | src/avr/ao_adc_avr.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/avr/ao_adc_avr.c b/src/avr/ao_adc_avr.c index 06284d68..a47703e5 100644 --- a/src/avr/ao_adc_avr.c +++ b/src/avr/ao_adc_avr.c @@ -66,7 +66,7 @@ static uint8_t ao_adc_channel; #define ADCSRB_INIT ((0 << ADHSM) | /* No high-speed mode */ \ (0 << ACME) | /* Some comparitor thing */ \ - (2 << ADTS0)) /* Free running mode (don't care) */ + (0 << ADTS0)) /* Free running mode (don't care) */ static void ao_adc_start(void) @@ -136,6 +136,15 @@ ao_adc_dump(void) __reentrant printf("tick: %5u", packet.tick); for (i = 0; i < NUM_ADC; i++) printf (" %2d: %5u", i, packet.adc[i]); + + + ADMUX = 0x60; + ADCSRB = 0x00; + ADCSRA = 0xc6; + while (ADCSRA & 0x40) + ; + printf ("ADCL: %02x\n", ADCL); + printf ("ADCH: %02x\n", ADCH); printf ("\n"); } |