La Suno / Mbed 2 deprecated afero_poc15_180413

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。

edge_sensor/edge_accel.cpp@1:8d65cfc3a2e2, 2018-06-18 (annotated)

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 #include "mbed.h"
Rhyme 0:846e2321c637 2 #include "afLib.h"
Rhyme 0:846e2321c637 3 #include "edge_reset_mgr.h"
Rhyme 0:846e2321c637 4 #include "edge_sensor.h"
Rhyme 0:846e2321c637 5 #include "edge_accel.h"
Rhyme 0:846e2321c637 6 #include "MMA8451Q.h"
Rhyme 0:846e2321c637 7
Rhyme 0:846e2321c637 8 edge_accel::edge_accel(MMA8451Q *accel) : edge_sensor()
Rhyme 0:846e2321c637 9 {
Rhyme 0:846e2321c637 10 _accel = accel ;
Rhyme 0:846e2321c637 11 _sample_count = 0 ;
Rhyme 0:846e2321c637 12 _accumulation = 0 ;
Rhyme 0:846e2321c637 13 _prev_x = 0 ;
Rhyme 0:846e2321c637 14 _prev_y = 0 ;
Rhyme 0:846e2321c637 15 _prev_z = 0 ;
Rhyme 0:846e2321c637 16
Rhyme 0:846e2321c637 17 _interval = 30 ;
Rhyme 0:846e2321c637 18 }
Rhyme 0:846e2321c637 19
Rhyme 0:846e2321c637 20 edge_accel::~edge_accel(void)
Rhyme 0:846e2321c637 21 {
Rhyme 0:846e2321c637 22 delete _accel ;
Rhyme 0:846e2321c637 23 }
Rhyme 0:846e2321c637 24
Rhyme 0:846e2321c637 25 void edge_accel::reset(void)
Rhyme 0:846e2321c637 26 {
Rhyme 0:846e2321c637 27 clear_value() ;
Rhyme 0:846e2321c637 28 edge_sensor::reset() ;
Rhyme 0:846e2321c637 29 }
Rhyme 0:846e2321c637 30
Rhyme 0:846e2321c637 31 #if 0
Rhyme 0:846e2321c637 32 void edge_accel::prepare(void)
Rhyme 0:846e2321c637 33 {
Rhyme 0:846e2321c637 34 // printf("accel prepare\n") ;
Rhyme 0:846e2321c637 35 }
Rhyme 0:846e2321c637 36 #endif
Rhyme 0:846e2321c637 37
Rhyme 0:846e2321c637 38 int edge_accel::sample(void)
Rhyme 0:846e2321c637 39 {
Rhyme 0:846e2321c637 40 int result ;
Rhyme 0:846e2321c637 41 float theValue = 0.0 ;
Rhyme 0:846e2321c637 42 if (_sample_count > 1) { /* if sample is 1 or less, no data */
Rhyme 0:846e2321c637 43 _num_sampled = _sample_count - 1 ;
Rhyme 0:846e2321c637 44 theValue = (float)_accumulation / (float)(_num_sampled) ;
Rhyme 0:846e2321c637 45 result = 0 ; /* success */
Rhyme 0:846e2321c637 46 } else {
Rhyme 0:846e2321c637 47 result = 1 ; /* fail! */
Rhyme 0:846e2321c637 48 }
Rhyme 0:846e2321c637 49 _value = theValue / 4096.0 ;
Rhyme 0:846e2321c637 50 _sampled_time = edge_time ;
Rhyme 0:846e2321c637 51 _sample_count = 0 ;
Rhyme 0:846e2321c637 52 _accumulation = 0 ;
Rhyme 0:846e2321c637 53 return( result ) ;
Rhyme 0:846e2321c637 54 }
Rhyme 0:846e2321c637 55
Rhyme 0:846e2321c637 56 int edge_accel::deliver(void)
Rhyme 0:846e2321c637 57 {
Rhyme 0:846e2321c637 58 int result ;
Rhyme 0:846e2321c637 59 char timestr[16] ;
Rhyme 0:846e2321c637 60
Rhyme 0:846e2321c637 61 print_time(_sampled_time) ;
Rhyme 0:846e2321c637 62 // _value = get_value() ;
Rhyme 0:846e2321c637 63 printf(" accel: %.3f [%d samples]\n", _value, _num_sampled) ;
Rhyme 0:846e2321c637 64 time2seq(_sampled_time, timestr) ;
Rhyme 0:846e2321c637 65 sprintf(_str_buf,
Rhyme 0:846e2321c637 66 "{\"DEVICE\":\"ACCEL\",\"PN\":\"MMA8451Q\",\"VAL_X\":\"%.3f\",\"VAL_Y\":\"0\",\"VAL_Z\":\"0\",\"UNIT\":\"g\",\"T\":\"%s\",\"E\":\"%d\"}",
Rhyme 0:846e2321c637 67 _value, timestr, _error_count) ;
Rhyme 0:846e2321c637 68 result = afero->setAttribute(1, _str_buf) ;
Rhyme 0:846e2321c637 69
Rhyme 0:846e2321c637 70 return( result == afSUCCESS ) ;
Rhyme 0:846e2321c637 71 }
Rhyme 0:846e2321c637 72
Rhyme 0:846e2321c637 73 int accel_v2y(float value, edge_chart_type *p)
Rhyme 0:846e2321c637 74 {
Rhyme 0:846e2321c637 75 int y ;
Rhyme 0:846e2321c637 76 if (value < p->min) {
Rhyme 0:846e2321c637 77 value = p->min ;
Rhyme 0:846e2321c637 78 } else if (value > p->max) {
Rhyme 0:846e2321c637 79 value = p->max ;
Rhyme 0:846e2321c637 80 }
Rhyme 0:846e2321c637 81 y = p->top + p->height/2 - 1
Rhyme 0:846e2321c637 82 - (int)((p->height - 2) * value /(p->max - p->min)) ;
Rhyme 0:846e2321c637 83 return( y ) ;
Rhyme 0:846e2321c637 84 }
Rhyme 0:846e2321c637 85
Rhyme 0:846e2321c637 86 void edge_accel::show(void)
Rhyme 0:846e2321c637 87 {
Rhyme 0:846e2321c637 88 int x, y ;
Rhyme 0:846e2321c637 89 edge_chart_type *p = &edge_chart[0] ; /* edge_chart for accel */
Rhyme 0:846e2321c637 90 reset_watch_dog() ;
Rhyme 0:846e2321c637 91 if (display) {
Rhyme 0:846e2321c637 92 switch(display_mode) {
Rhyme 0:846e2321c637 93 case DISPLAY_MODE_SUMMARY:
Rhyme 0:846e2321c637 94 display->BusEnable(true) ;
Rhyme 0:846e2321c637 95 display->set_font((unsigned char*) Arial12x12);
Rhyme 0:846e2321c637 96 display->set_font_zoom(2, 2) ;
Rhyme 0:846e2321c637 97 display->foreground(White) ;
Rhyme 0:846e2321c637 98 display->locate(EDGE_SUMMARY_X, EDGE_SUMMARY_TIME_Y) ;
Rhyme 0:846e2321c637 99 displayTime(_sampled_time) ;
Rhyme 0:846e2321c637 100 // display->locate(10, 5) ;
Rhyme 0:846e2321c637 101 // display->printf(timestr) ;
Rhyme 0:846e2321c637 102 display->locate(EDGE_SUMMARY_X, EDGE_SUMMARY_ACCEL_Y) ;
Rhyme 0:846e2321c637 103 display->printf("Accel: %.3f [%4d]", _value, _num_sampled) ;
Rhyme 0:846e2321c637 104 display->BusEnable(false) ;
Rhyme 0:846e2321c637 105 reset_watch_dog() ;
Rhyme 0:846e2321c637 106 break ;
Rhyme 0:846e2321c637 107 case DISPLAY_MODE_CHART:
Rhyme 0:846e2321c637 108 x = p->left + p->index + 1;
Rhyme 0:846e2321c637 109 y = accel_v2y(_value, p) ;
Rhyme 0:846e2321c637 110 display->BusEnable(true) ;
Rhyme 0:846e2321c637 111 if (p->index == 0) {
Rhyme 0:846e2321c637 112 draw_chart_frame(p) ;
Rhyme 0:846e2321c637 113 }
Rhyme 0:846e2321c637 114 display->pixel(x, y, White) ;
Rhyme 0:846e2321c637 115 display->BusEnable(false) ;
Rhyme 0:846e2321c637 116 p->index = (p->index + 1) % (p->width - 2) ;
Rhyme 0:846e2321c637 117 break ;
Rhyme 0:846e2321c637 118 default:
Rhyme 0:846e2321c637 119 break ;
Rhyme 0:846e2321c637 120 }
Rhyme 0:846e2321c637 121 }
Rhyme 0:846e2321c637 122 clear_value() ;
Rhyme 0:846e2321c637 123 reset_watch_dog() ;
Rhyme 0:846e2321c637 124 }
Rhyme 0:846e2321c637 125
Rhyme 0:846e2321c637 126 int edge_accel::accum(void)
Rhyme 0:846e2321c637 127 {
Rhyme 0:846e2321c637 128 int result ;
Rhyme 0:846e2321c637 129 int16_t value[3] ;
Rhyme 0:846e2321c637 130
Rhyme 0:846e2321c637 131 if (_enable) {
Rhyme 0:846e2321c637 132 result = _accel->getAllRawData(value) ;
Rhyme 0:846e2321c637 133
Rhyme 0:846e2321c637 134 if (result == 0) { /* success */
Rhyme 0:846e2321c637 135 if (_sample_count != 0) { /* first data does not have prev_data */
Rhyme 0:846e2321c637 136 _accumulation +=
Rhyme 0:846e2321c637 137 abs(_prev_x - value[0])
Rhyme 0:846e2321c637 138 + abs(_prev_y - value[1])
Rhyme 0:846e2321c637 139 + abs(_prev_z - value[2]) ;
Rhyme 0:846e2321c637 140 }
Rhyme 0:846e2321c637 141
Rhyme 0:846e2321c637 142 _sample_count++ ;
Rhyme 0:846e2321c637 143
Rhyme 0:846e2321c637 144 _prev_x = value[0] ;
Rhyme 0:846e2321c637 145 _prev_y = value[1] ;
Rhyme 0:846e2321c637 146 _prev_z = value[2] ;
Rhyme 0:846e2321c637 147 }
Rhyme 0:846e2321c637 148 }
Rhyme 0:846e2321c637 149
Rhyme 0:846e2321c637 150 return( result ) ;
Rhyme 0:846e2321c637 151 }
Rhyme 0:846e2321c637 152
Rhyme 0:846e2321c637 153 void edge_accel::clear_value(void)
Rhyme 0:846e2321c637 154 {
Rhyme 0:846e2321c637 155 _sample_count = 0 ;
Rhyme 0:846e2321c637 156 _accumulation = 0 ;
Rhyme 0:846e2321c637 157 _prev_x = 0 ;
Rhyme 0:846e2321c637 158 _prev_y = 0 ;
Rhyme 0:846e2321c637 159 _prev_z = 0 ;
Rhyme 0:846e2321c637 160 }
Rhyme 0:846e2321c637 161
Rhyme 0:846e2321c637 162
Rhyme 0:846e2321c637 163