Added a GPIO to power on/off for external I2C sensor(s) (with LEDs)

Dependencies:   UniGraphic mbed vt100

18-Jun-2018 外部センサの電源オン・オフ機能は下位互換の為に無効になっていました。 この版で再度有効にしました。

Committer:
Rhyme
Date:
Mon Jun 18 01:56:00 2018 +0000
Revision:
1:8d65cfc3a2e2
Parent:
0:846e2321c637
External sensor power on/off function enabled. (Previously disabled)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Rhyme 0:846e2321c637 1 #ifndef _EDGE_ACCEL_H_
Rhyme 0:846e2321c637 2 #define _EDGE_ACCEL_H_
Rhyme 0:846e2321c637 3 #include "mbed.h"
Rhyme 0:846e2321c637 4 #include "edge_sensor.h"
Rhyme 0:846e2321c637 5 #include "MMA8451Q.h"
Rhyme 0:846e2321c637 6
Rhyme 0:846e2321c637 7 /**
Rhyme 0:846e2321c637 8 * edge_accel edge_sensor which manage the accelerometer sensor (MMA8451Q)
Rhyme 0:846e2321c637 9 * @note The behavior of this class is somewhat exceptional as an edge_sensor
Rhyme 0:846e2321c637 10 * @note it samples and accumulates data which is the abs sum of current
Rhyme 0:846e2321c637 11 * @note values and previous values every 0.1 sec
Rhyme 0:846e2321c637 12 * @note and in each "interval" it delivers the averaged value
Rhyme 0:846e2321c637 13 */
Rhyme 0:846e2321c637 14
Rhyme 0:846e2321c637 15 class edge_accel : public edge_sensor {
Rhyme 0:846e2321c637 16 public:
Rhyme 0:846e2321c637 17 /**
Rhyme 0:846e2321c637 18 * constructor
Rhyme 0:846e2321c637 19 * @param the MMA8451Q object
Rhyme 0:846e2321c637 20 */
Rhyme 0:846e2321c637 21 edge_accel(MMA8451Q *accel) ;
Rhyme 0:846e2321c637 22
Rhyme 0:846e2321c637 23 /**
Rhyme 0:846e2321c637 24 * destructor
Rhyme 0:846e2321c637 25 */
Rhyme 0:846e2321c637 26 ~edge_accel(void) ;
Rhyme 0:846e2321c637 27
Rhyme 0:846e2321c637 28 /**
Rhyme 0:846e2321c637 29 * clear and reset interval values
Rhyme 0:846e2321c637 30 */
Rhyme 0:846e2321c637 31 virtual void reset(void) ;
Rhyme 0:846e2321c637 32 // virtual void prepare(void) ;
Rhyme 0:846e2321c637 33
Rhyme 0:846e2321c637 34 /**
Rhyme 0:846e2321c637 35 * sample calculate the average value
Rhyme 0:846e2321c637 36 * from _accumulation and _sample_count
Rhyme 0:846e2321c637 37 * the average value is assigned to _value
Rhyme 0:846e2321c637 38 * and currnt _sample_count is stored in _num_sampled
Rhyme 0:846e2321c637 39 * then both _accumuation and _sample_count will be cleared
Rhyme 0:846e2321c637 40 * @returns 0: success non-0: failure
Rhyme 0:846e2321c637 41 */
Rhyme 0:846e2321c637 42 virtual int sample(void) ;
Rhyme 0:846e2321c637 43
Rhyme 0:846e2321c637 44 /**
Rhyme 0:846e2321c637 45 * deliver the value to the afero cloud
Rhyme 0:846e2321c637 46 */
Rhyme 0:846e2321c637 47 virtual int deliver(void) ;
Rhyme 0:846e2321c637 48
Rhyme 0:846e2321c637 49 /**
Rhyme 0:846e2321c637 50 * show the data in the display (TFT)
Rhyme 0:846e2321c637 51 */
Rhyme 0:846e2321c637 52 virtual void show(void) ;
Rhyme 0:846e2321c637 53
Rhyme 0:846e2321c637 54 /**
Rhyme 0:846e2321c637 55 * accum this is the real sampling
Rhyme 0:846e2321c637 56 * and the differences of sampled values
Rhyme 0:846e2321c637 57 * and previous values are calcurated and accumulated
Rhyme 0:846e2321c637 58 * @returns 0: success non-0: failure
Rhyme 0:846e2321c637 59 */
Rhyme 0:846e2321c637 60 int accum(void) ;
Rhyme 0:846e2321c637 61
Rhyme 0:846e2321c637 62 /**
Rhyme 0:846e2321c637 63 * Clear internal values
Rhyme 0:846e2321c637 64 */
Rhyme 0:846e2321c637 65 void clear_value(void) ;
Rhyme 0:846e2321c637 66
Rhyme 0:846e2321c637 67 private:
Rhyme 0:846e2321c637 68 MMA8451Q *_accel ;
Rhyme 0:846e2321c637 69 float _value ;
Rhyme 0:846e2321c637 70 int32_t _num_sampled ;
Rhyme 0:846e2321c637 71 int32_t _sample_count ;
Rhyme 0:846e2321c637 72 int32_t _accumulation ;
Rhyme 0:846e2321c637 73 int16_t _prev_x ;
Rhyme 0:846e2321c637 74 int16_t _prev_y ;
Rhyme 0:846e2321c637 75 int16_t _prev_z ;
Rhyme 0:846e2321c637 76 } ;
Rhyme 0:846e2321c637 77
Rhyme 0:846e2321c637 78 #endif /* _EDGE_ACCEL_H_ */