24 lines
659 B
C
24 lines
659 B
C
#ifndef ADCEXT_H
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#define ADCEXT_H
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/* Initialize ADC */
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void adcext_init(void);
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/* Start a conversion if it hasn't already been started.
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Wait for conversion to finish.
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Read the result and return the raw 32-bit value. */
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uint32_t adcext_read(void);
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/* Convert a raw 32-bit value into a signed result.
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The return value range is -(2^31) to (2^31)-1 */
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int32_t adcext_convert(uint32_t raw);
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/* Start a new conversion. If a conversion was already started
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but the result was not read, this does nothing. */
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void adcext_start_conversion(void);
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/* Return 1 if a conversion is in progress, 0 otherwise */
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int adcext_is_conversion_ready(void);
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#endif
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