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Add SR_DF_ANALOG2 and related structs. 

New structs:
 - sr_rational
 - sr_datafeed_analog2
 - sr_analog_encoding
 - sr_analog_meaning
 - sr_analog_spec
This commit is contained in:
Bert Vermeulen 2014-11-12 14:46:51 +01:00 committed by Uwe Hermann
parent d2a929ab85
commit d2e0f58539
1 changed files with 40 additions and 0 deletions
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40
include/libsigrok/libsigrok.h
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@ -168,6 +168,8 @@ enum sr_packettype {
SR_DF_FRAME_BEGIN,
/** End of frame. No payload. */
SR_DF_FRAME_END,
/** Payload is struct sr_datafeed_analog2. */
SR_DF_ANALOG2,
};
/** Measured quantity, sr_datafeed_analog.mq. */
@ -415,6 +417,13 @@ struct sr_context;
*/
struct sr_session;
struct sr_rational {
/** Numerator of the rational number. */
uint64_t p;
/** Denominator of the rational number. */
uint64_t q;
};
/** Packet in a sigrok data feed. */
struct sr_datafeed_packet {
uint16_t type;
@ -457,6 +466,37 @@ struct sr_datafeed_analog {
float *data;
};
/** Analog datafeed payload for type SR_DF_ANALOG2. */
struct sr_datafeed_analog2 {
void *data;
uint32_t num_samples;
struct sr_analog_encoding *encoding;
struct sr_analog_meaning *meaning;
struct sr_analog_spec *spec;
};
struct sr_analog_encoding {
uint8_t unitsize;
gboolean is_signed;
gboolean is_float;
gboolean is_bigendian;
uint8_t digits;
gboolean is_digits_decimal;
struct sr_rational scale;
struct sr_rational offset;
};
struct sr_analog_meaning {
enum sr_mq mq;
enum sr_unit unit;
enum sr_mqflag mqflags;
GSList *channels;
};
struct sr_analog_spec {
uint8_t spec_digits;
};
/** Generic option struct used by various subsystems. */
struct sr_option {
/* Short name suitable for commandline usage, [a-z0-9-]. */