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Dump test conversion of ADC0
author
Keith Packard
<keithp@keithp.com>
Thu, 22 Sep 2011 06:21:04 +0000
(23:21 -0700)
committer
Keith Packard
<keithp@keithp.com>
Thu, 22 Sep 2011 06:21:04 +0000
(23:21 -0700)
src/avr/ao_adc_avr.c
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diff --git
a/src/avr/ao_adc_avr.c
b/src/avr/ao_adc_avr.c
index 06284d683c1c904b19ba17767fc1e320737056da..a47703e576df875286dc4707b515666b4bcf2277 100644
(file)
--- 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 */ \
#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)
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]);
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");
}
printf ("\n");
}