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Dependencies:   mbed

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DeviceCounters.h@156:e68ee0bcdcda, 2016-05-09 (annotated)

Committer:
Diletant
Date:
Mon May 09 20:03:26 2016 +0000
Revision:
156:e68ee0bcdcda
Child:
161:efd949e8d536
Device & ... update. Not final!!!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Diletant 156:e68ee0bcdcda 1 #ifndef __DEVICE_COUNTERS_H__
Diletant 156:e68ee0bcdcda 2 #define __DEVICE_COUNTERS_H__
Diletant 156:e68ee0bcdcda 3
Diletant 156:e68ee0bcdcda 4 typedef struct _DeviceCountersSettings {
Diletant 156:e68ee0bcdcda 5 } DeviceCountersSettings;
Diletant 156:e68ee0bcdcda 6
Diletant 156:e68ee0bcdcda 7 typedef struct _DeviceCountersState {
Diletant 156:e68ee0bcdcda 8 int32_t delta[32]; //Cyclic buffer of QEI counts: with (32 * oscillation frequency)
Diletant 156:e68ee0bcdcda 9 int32_t angle; //Sum of delta buffer - Angle accumulated for 1 vibro cycle
Diletant 156:e68ee0bcdcda 10 int32_t displacement; //Sum of last 16 deltas minus sum of previous 16 deltas from delta buffer - displacement
Diletant 156:e68ee0bcdcda 11 int32_t amplitude; //Sum of positive displacements minus negative displacements from last 32 displacements - "dither amplitude"
Diletant 156:e68ee0bcdcda 12 int32_t frequency; //Sum of positive deltas minus negative deltas from last 32 deltas - dither "frequency"
Diletant 156:e68ee0bcdcda 13 int32_t accumulator; //Angle accumulated between host requests, or between periodic answers
Diletant 156:e68ee0bcdcda 14 } DeviceCountersState;
Diletant 156:e68ee0bcdcda 15
Diletant 156:e68ee0bcdcda 16 typedef struct _DeviceCounters {
Diletant 156:e68ee0bcdcda 17 DeviceCountersSettings settings;
Diletant 156:e68ee0bcdcda 18 DeviceCountersState state;
Diletant 156:e68ee0bcdcda 19 } DeviceCounters;
Diletant 156:e68ee0bcdcda 20
Diletant 156:e68ee0bcdcda 21 void InitCountersWithDefaults(void);
Diletant 156:e68ee0bcdcda 22 void InitCounters(void);
Diletant 156:e68ee0bcdcda 23 void DeviceCount(void);
Diletant 156:e68ee0bcdcda 24
Diletant 156:e68ee0bcdcda 25 #endif /* __DEVICE_COUNTERS_H__ */