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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2011-02-17 23:47:31 -0500 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2011-02-17 23:47:31 -0500 |
| commit | 3f76591b3616c07c5a02624aff8649d5fa7e9f4b (patch) | |
| tree | a14f67949ece269e8868efef9bd662cdccef9132 /libmaple/adc.h | |
| parent | f0127b4fa04694e5e123aa3173ffc5a957827682 (diff) | |
| download | librambutan-3f76591b3616c07c5a02624aff8649d5fa7e9f4b.tar.gz librambutan-3f76591b3616c07c5a02624aff8649d5fa7e9f4b.zip | |
Generalizing adc_init() to allow user to select sample time
Diffstat (limited to 'libmaple/adc.h')
| -rw-r--r-- | libmaple/adc.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/libmaple/adc.h b/libmaple/adc.h index fe1196f..976986f 100644 --- a/libmaple/adc.h +++ b/libmaple/adc.h @@ -70,8 +70,24 @@ extern "C"{ #define SR_EOC_BIT *(volatile uint32*)(BITBAND_PERI(ADC1_BASE+0, 1)) /* (NR_ANALOG_PINS is board specific) */ -/** Initialize ADC1 to do one-shot conversions */ -void adc_init(void); +/** ADC per-sample conversion times, in ADC clock cycles */ +typedef enum { + ADC_SMPR_1_5, + ADC_SMPR_7_5, + ADC_SMPR_13_5, + ADC_SMPR_28_5, + ADC_SMPR_41_5, + ADC_SMPR_55_5, + ADC_SMPR_71_5, + ADC_SMPR_239_5 +} adc_smp_rate; + +/** Initialize ADC1 to do one-shot conversions at the given sample + rate. */ +void adc_init(adc_smp_rate smp_rate); + +void adc_set_sample_rate(adc_smp_rate smp_rate); + void adc_disable(void); /** |