MetaWear C++ API  0.18.0
C++ implementation of the MetaWear protocol
comparator.h
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1 
6 #pragma once
7 
8 #include "processor_common.h"
9 
10 #ifdef __cplusplus
11 extern "C" {
12 #endif
13 
17 typedef enum {
18  MBL_MW_COMPARATOR_OP_EQ = 0,
19  MBL_MW_COMPARATOR_OP_NEQ,
20  MBL_MW_COMPARATOR_OP_LT,
21  MBL_MW_COMPARATOR_OP_LTE,
22  MBL_MW_COMPARATOR_OP_GT,
23  MBL_MW_COMPARATOR_OP_GTE
24 } MblMwComparatorOperation;
25 
29 typedef enum {
30  MBL_MW_COMPARATOR_MODE_ABSOLUTE = 0,
31  MBL_MW_COMPARATOR_MODE_REFERENCE,
32  MBL_MW_COMPARATOR_MODE_ZONE,
33  MBL_MW_COMPARATOR_MODE_BINARY
34 } MblMwComparatorMode;
35 
45 METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_create(MblMwDataSignal *source, MblMwComparatorOperation op, float reference,
46  void *context, MblMwFnDataProcessor processor_created);
56 METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_create_signed(MblMwDataSignal *source, MblMwComparatorOperation op, float reference,
57  void *context, MblMwFnDataProcessor processor_created);
67 METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_create_unsigned(MblMwDataSignal *source, MblMwComparatorOperation op, float reference,
68  void *context, MblMwFnDataProcessor processor_created);
69 
78 METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_modify(MblMwDataProcessor *comparator, MblMwComparatorOperation op, float reference);
87 METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_modify_signal(MblMwDataProcessor *comparator, MblMwComparatorOperation op,
88  MblMwDataSignal *reference_signal);
89 
101 METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_create(MblMwDataSignal* source, MblMwComparatorOperation op, MblMwComparatorMode mode,
102  float references[], uint8_t references_length, void *context, MblMwFnDataProcessor processor_created);
114 METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_create_signed(MblMwDataSignal* source, MblMwComparatorOperation op, MblMwComparatorMode mode,
115  float references[], uint8_t references_length, void *context, MblMwFnDataProcessor processor_created);
127 METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_create_unsigned(MblMwDataSignal* source, MblMwComparatorOperation op, MblMwComparatorMode mode,
128  float references[], uint8_t references_length, void *context, MblMwFnDataProcessor processor_created);
129 
139 METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_modify(MblMwDataProcessor *comparator, MblMwComparatorOperation op, float references[],
140  uint8_t references_length);
141 
142 #ifdef __cplusplus
143 }
144 #endif
mbl_mw_dataprocessor_comparator_create
METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_create(MblMwDataSignal *source, MblMwComparatorOperation op, float reference, void *context, MblMwFnDataProcessor processor_created)
Create a comparator processor where signed/unsigned is inferred.
mbl_mw_dataprocessor_comparator_modify_signal
METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_modify_signal(MblMwDataProcessor *comparator, MblMwComparatorOperation op, MblMwDataSignal *reference_signal)
Modifies the comparator processor for a feedback or feedforward loop.
mbl_mw_dataprocessor_comparator_create_signed
METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_create_signed(MblMwDataSignal *source, MblMwComparatorOperation op, float reference, void *context, MblMwFnDataProcessor processor_created)
Create a comparator processor specifically for a signed comparison.
MblMwFnDataProcessor
void(* MblMwFnDataProcessor)(void *context, MblMwDataProcessor *processor)
Definition for callback functions that accept an MblMwDataProcessor pointer.
Definition: dataprocessor_fwd.h:23
mbl_mw_dataprocessor_multi_comparator_modify
METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_modify(MblMwDataProcessor *comparator, MblMwComparatorOperation op, float references[], uint8_t references_length)
Modifies the multi-value comparator, changing the operation and reference values. ...
MblMwComparatorOperation
MblMwComparatorOperation
Available operations for the processor.
Definition: comparator.h:17
MBL_MW_COMPARATOR_MODE_BINARY
Return 1 if any reference values satisfy the comparison, 0 if none do.
Definition: comparator.h:33
MBL_MW_COMPARATOR_MODE_ABSOLUTE
Return the data as is.
Definition: comparator.h:30
MBL_MW_COMPARATOR_OP_NEQ
Not equals to.
Definition: comparator.h:19
MblMwComparatorMode
MblMwComparatorMode
Output modes for the comparator, only supported in firmware v1.2.3 and higher.
Definition: comparator.h:29
mbl_mw_dataprocessor_multi_comparator_create_signed
METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_create_signed(MblMwDataSignal *source, MblMwComparatorOperation op, MblMwComparatorMode mode, float references[], uint8_t references_length, void *context, MblMwFnDataProcessor processor_created)
Create a multi-value comparator for signed comparisons.
MBL_MW_COMPARATOR_OP_GT
Greater than.
Definition: comparator.h:22
MBL_MW_COMPARATOR_OP_GTE
Greater than or equals to.
Definition: comparator.h:23
MBL_MW_COMPARATOR_OP_LTE
Less than or equals to.
Definition: comparator.h:21
MBL_MW_COMPARATOR_MODE_REFERENCE
Return the reference value for the satisfied comparison.
Definition: comparator.h:31
MBL_MW_COMPARATOR_OP_LT
Less than.
Definition: comparator.h:20
mbl_mw_dataprocessor_comparator_modify
METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_modify(MblMwDataProcessor *comparator, MblMwComparatorOperation op, float reference)
Modifies the comparator processor, changing the operation and reference value.
mbl_mw_dataprocessor_multi_comparator_create
METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_create(MblMwDataSignal *source, MblMwComparatorOperation op, MblMwComparatorMode mode, float references[], uint8_t references_length, void *context, MblMwFnDataProcessor processor_created)
Create a multi-value comparator where a signed/unsigned comparison is inferred.
MBL_MW_COMPARATOR_MODE_ZONE
Return the position of the reference value satisfying the comparison, n + 1 for not satisfied...
Definition: comparator.h:32
mbl_mw_dataprocessor_comparator_create_unsigned
METAWEAR_API int32_t mbl_mw_dataprocessor_comparator_create_unsigned(MblMwDataSignal *source, MblMwComparatorOperation op, float reference, void *context, MblMwFnDataProcessor processor_created)
Create a comparator processor specifically for an unsigned comparison.
MBL_MW_COMPARATOR_OP_EQ
Equals to.
Definition: comparator.h:18
MblMwDataProcessor
struct MblMwDataProcessor MblMwDataProcessor
Data signal from the on board data processor.
Definition: dataprocessor_fwd.h:15
mbl_mw_dataprocessor_multi_comparator_create_unsigned
METAWEAR_API int32_t mbl_mw_dataprocessor_multi_comparator_create_unsigned(MblMwDataSignal *source, MblMwComparatorOperation op, MblMwComparatorMode mode, float references[], uint8_t references_length, void *context, MblMwFnDataProcessor processor_created)
Create a multi-value comparator for unsigned comparisons.
METAWEAR_API
#define METAWEAR_API
Indicates the function should be exported to the symbol table.
Definition: dllmarker.h:27
MblMwDataSignal
struct MblMwDataSignal MblMwDataSignal
A event fired from the MetaWear board that also contains data.
Definition: datasignal_fwd.h:15
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