Revision 463eabf7 Adafruit_BNO055.cpp

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Adafruit_BNO055.cpp
15 15
  Written by KTOWN for Adafruit Industries.
16 16

  
17 17
  MIT license, all text above must be included in any redistribution
18
  ***************************************************************************/
18
 ***************************************************************************/
19 19

  
20 20
#if ARDUINO >= 100
21
#include "Arduino.h"
21
 #include "Arduino.h"
22 22
#else
23
#include "WProgram.h"
23
 #include "WProgram.h"
24 24
#endif
25 25

  
26 26
#include <math.h>
......
34 34

  
35 35
/**************************************************************************/
36 36
/*!
37
	@brief  Instantiates a new Adafruit_BNO055 class
38
	*/
37
    @brief  Instantiates a new Adafruit_BNO055 class
38
*/
39 39
/**************************************************************************/
40 40
Adafruit_BNO055::Adafruit_BNO055(int32_t sensorID, uint8_t address)
41 41
{
42
	_sensorID = sensorID;
43
	_address = address;
42
  _sensorID = sensorID;
43
  _address = address;
44 44
}
45 45

  
46 46
/***************************************************************************
......
49 49

  
50 50
/**************************************************************************/
51 51
/*!
52
	@brief  Sets up the HW
53
	*/
52
    @brief  Sets up the HW
53
*/
54 54
/**************************************************************************/
55 55
bool Adafruit_BNO055::begin(adafruit_bno055_opmode_t mode)
56 56
{
57
	/* Enable I2C */
58
	Wire.begin();
59

  
60
	/* Make sure we have the right device */
61
	uint8_t id = read8(BNO055_CHIP_ID_ADDR);
62
	if (id != BNO055_ID)
63
	{
64
		delay(1000); // hold on for boot
65
		id = read8(BNO055_CHIP_ID_ADDR);
66
		if (id != BNO055_ID) {
67
			return false;  // still not? ok bail
68
		}
69
	}
70

  
71
	/* Switch to config mode (just in case since this is the default) */
72
	setMode(OPERATION_MODE_CONFIG);
73

  
74
	/* Reset */
75
	write8(BNO055_SYS_TRIGGER_ADDR, 0x20);
76
	while (read8(BNO055_CHIP_ID_ADDR) != BNO055_ID)
77
	{
78
		delay(10);
79
	}
80
	delay(50);
81

  
82
	/* Set to normal power mode */
83
	write8(BNO055_PWR_MODE_ADDR, POWER_MODE_NORMAL);
84
	delay(10);
85

  
86
	write8(BNO055_PAGE_ID_ADDR, 0);
87

  
88
	/* Set the output units */
89
	/*
90
	uint8_t unitsel = (0 << 7) | // Orientation = Android
91
	(0 << 4) | // Temperature = Celsius
92
	(0 << 2) | // Euler = Degrees
93
	(1 << 1) | // Gyro = Rads
94
	(0 << 0);  // Accelerometer = m/s^2
95
	write8(BNO055_UNIT_SEL_ADDR, unitsel);
96
	*/
97

  
98
	write8(BNO055_SYS_TRIGGER_ADDR, 0x0);
99
	delay(10);
100
	/* Set the requested operating mode (see section 3.3) */
101
	setMode(mode);
102
	delay(20);
103

  
104
	return true;
57
  /* Enable I2C */
58
  Wire.begin();
59

  
60
  /* Make sure we have the right device */
61
  uint8_t id = read8(BNO055_CHIP_ID_ADDR);
62
  if(id != BNO055_ID)
63
  {
64
    delay(1000); // hold on for boot
65
    id = read8(BNO055_CHIP_ID_ADDR);
66
    if(id != BNO055_ID) {
67
      return false;  // still not? ok bail
68
    }
69
  }
70

  
71
  /* Switch to config mode (just in case since this is the default) */
72
  setMode(OPERATION_MODE_CONFIG);
73

  
74
  /* Reset */
75
  write8(BNO055_SYS_TRIGGER_ADDR, 0x20);
76
  while (read8(BNO055_CHIP_ID_ADDR) != BNO055_ID)
77
  {
78
    delay(10);
79
  }
80
  delay(50);
81

  
82
  /* Set to normal power mode */
83
  write8(BNO055_PWR_MODE_ADDR, POWER_MODE_NORMAL);
84
  delay(10);
85

  
86
  write8(BNO055_PAGE_ID_ADDR, 0);
87

  
88
  /* Set the output units */
89
  /*
90
  uint8_t unitsel = (0 << 7) | // Orientation = Android
91
                    (0 << 4) | // Temperature = Celsius
92
                    (0 << 2) | // Euler = Degrees
93
                    (1 << 1) | // Gyro = Rads
94
                    (0 << 0);  // Accelerometer = m/s^2
95
  write8(BNO055_UNIT_SEL_ADDR, unitsel);
96
  */
97

  
98
  write8(BNO055_SYS_TRIGGER_ADDR, 0x0);
99
  delay(10);
100
  /* Set the requested operating mode (see section 3.3) */
101
  setMode(mode);
102
  delay(20);
103

  
104
  return true;
105 105
}
106 106

  
107 107
/**************************************************************************/
108 108
/*!
109
	@brief  Puts the chip in the specified operating mode
110
	*/
109
    @brief  Puts the chip in the specified operating mode
110
*/
111 111
/**************************************************************************/
112 112
void Adafruit_BNO055::setMode(adafruit_bno055_opmode_t mode)
113 113
{
114
	_mode = mode;
115
	write8(BNO055_OPR_MODE_ADDR, _mode);
116
	delay(30);
114
  _mode = mode;
115
  write8(BNO055_OPR_MODE_ADDR, _mode);
116
  delay(30);
117 117
}
118 118

  
119 119
/**************************************************************************/
120 120
/*!
121
	@brief  Use the external 32.768KHz crystal
122
	*/
121
    @brief  Use the external 32.768KHz crystal
122
*/
123 123
/**************************************************************************/
124 124
void Adafruit_BNO055::setExtCrystalUse(boolean usextal)
125 125
{
126
	adafruit_bno055_opmode_t modeback = _mode;
127

  
128
	/* Switch to config mode (just in case since this is the default) */
129
	setMode(OPERATION_MODE_CONFIG);
130
	delay(25);
131
	write8(BNO055_PAGE_ID_ADDR, 0);
132
	if (usextal) {
133
		write8(BNO055_SYS_TRIGGER_ADDR, 0x80);
134
	}
135
	else {
136
		write8(BNO055_SYS_TRIGGER_ADDR, 0x00);
137
	}
138
	delay(10);
139
	/* Set the requested operating mode (see section 3.3) */
140
	setMode(modeback);
141
	delay(20);
126
  adafruit_bno055_opmode_t modeback = _mode;
127

  
128
  /* Switch to config mode (just in case since this is the default) */
129
  setMode(OPERATION_MODE_CONFIG);
130
  delay(25);
131
  write8(BNO055_PAGE_ID_ADDR, 0);
132
  if (usextal) {
133
    write8(BNO055_SYS_TRIGGER_ADDR, 0x80);
134
  } else {
135
    write8(BNO055_SYS_TRIGGER_ADDR, 0x00);
136
  }
137
  delay(10);
138
  /* Set the requested operating mode (see section 3.3) */
139
  setMode(modeback);
140
  delay(20);
142 141
}
143 142

  
144 143

  
145 144
/**************************************************************************/
146 145
/*!
147
	@brief  Gets the latest system status info
148
	*/
146
    @brief  Gets the latest system status info
147
*/
149 148
/**************************************************************************/
150 149
void Adafruit_BNO055::getSystemStatus(uint8_t *system_status, uint8_t *self_test_result, uint8_t *system_error)
151 150
{
152
	write8(BNO055_PAGE_ID_ADDR, 0);
153

  
154
	/* System Status (see section 4.3.58)
155
	   ---------------------------------
156
	   0 = Idle
157
	   1 = System Error
158
	   2 = Initializing Peripherals
159
	   3 = System Iniitalization
160
	   4 = Executing Self-Test
161
	   5 = Sensor fusio algorithm running
162
	   6 = System running without fusion algorithms */
163

  
164
	if (system_status != 0)
165
		*system_status = read8(BNO055_SYS_STAT_ADDR);
166

  
167
	/* Self Test Results (see section )
168
	   --------------------------------
169
	   1 = test passed, 0 = test failed
170

  
171
	   Bit 0 = Accelerometer self test
172
	   Bit 1 = Magnetometer self test
173
	   Bit 2 = Gyroscope self test
174
	   Bit 3 = MCU self test
175

  
176
	   0x0F = all good! */
177

  
178
	if (self_test_result != 0)
179
		*self_test_result = read8(BNO055_SELFTEST_RESULT_ADDR);
180

  
181
	/* System Error (see section 4.3.59)
182
	   ---------------------------------
183
	   0 = No error
184
	   1 = Peripheral initialization error
185
	   2 = System initialization error
186
	   3 = Self test result failed
187
	   4 = Register map value out of range
188
	   5 = Register map address out of range
189
	   6 = Register map write error
190
	   7 = BNO low power mode not available for selected operat ion mode
191
	   8 = Accelerometer power mode not available
192
	   9 = Fusion algorithm configuration error
193
	   A = Sensor configuration error */
194

  
195
	if (system_error != 0)
196
		*system_error = read8(BNO055_SYS_ERR_ADDR);
197

  
198
	delay(200);
151
  write8(BNO055_PAGE_ID_ADDR, 0);
152

  
153
  /* System Status (see section 4.3.58)
154
     ---------------------------------
155
     0 = Idle
156
     1 = System Error
157
     2 = Initializing Peripherals
158
     3 = System Iniitalization
159
     4 = Executing Self-Test
160
     5 = Sensor fusio algorithm running
161
     6 = System running without fusion algorithms */
162

  
163
  if (system_status != 0)
164
    *system_status    = read8(BNO055_SYS_STAT_ADDR);
165

  
166
  /* Self Test Results (see section )
167
     --------------------------------
168
     1 = test passed, 0 = test failed
169

  
170
     Bit 0 = Accelerometer self test
171
     Bit 1 = Magnetometer self test
172
     Bit 2 = Gyroscope self test
173
     Bit 3 = MCU self test
174

  
175
     0x0F = all good! */
176

  
177
  if (self_test_result != 0)
178
    *self_test_result = read8(BNO055_SELFTEST_RESULT_ADDR);
179

  
180
  /* System Error (see section 4.3.59)
181
     ---------------------------------
182
     0 = No error
183
     1 = Peripheral initialization error
184
     2 = System initialization error
185
     3 = Self test result failed
186
     4 = Register map value out of range
187
     5 = Register map address out of range
188
     6 = Register map write error
189
     7 = BNO low power mode not available for selected operat ion mode
190
     8 = Accelerometer power mode not available
191
     9 = Fusion algorithm configuration error
192
     A = Sensor configuration error */
193

  
194
  if (system_error != 0)
195
    *system_error     = read8(BNO055_SYS_ERR_ADDR);
196

  
197
  delay(200);
199 198
}
200 199

  
201 200
/**************************************************************************/
202 201
/*!
203
	@brief  Gets the chip revision numbers
204
	*/
202
    @brief  Gets the chip revision numbers
203
*/
205 204
/**************************************************************************/
206 205
void Adafruit_BNO055::getRevInfo(adafruit_bno055_rev_info_t* info)
207 206
{
208
	uint8_t a, b;
207
  uint8_t a, b;
209 208

  
210
	memset(info, 0, sizeof(adafruit_bno055_rev_info_t));
209
  memset(info, 0, sizeof(adafruit_bno055_rev_info_t));
211 210

  
212
	/* Check the accelerometer revision */
213
	info->accel_rev = read8(BNO055_ACCEL_REV_ID_ADDR);
211
  /* Check the accelerometer revision */
212
  info->accel_rev = read8(BNO055_ACCEL_REV_ID_ADDR);
214 213

  
215
	/* Check the magnetometer revision */
216
	info->mag_rev = read8(BNO055_MAG_REV_ID_ADDR);
214
  /* Check the magnetometer revision */
215
  info->mag_rev   = read8(BNO055_MAG_REV_ID_ADDR);
217 216

  
218
	/* Check the gyroscope revision */
219
	info->gyro_rev = read8(BNO055_GYRO_REV_ID_ADDR);
217
  /* Check the gyroscope revision */
218
  info->gyro_rev  = read8(BNO055_GYRO_REV_ID_ADDR);
220 219

  
221
	/* Check the SW revision */
222
	info->bl_rev = read8(BNO055_BL_REV_ID_ADDR);
220
  /* Check the SW revision */
221
  info->bl_rev    = read8(BNO055_BL_REV_ID_ADDR);
223 222

  
224
	a = read8(BNO055_SW_REV_ID_LSB_ADDR);
225
	b = read8(BNO055_SW_REV_ID_MSB_ADDR);
226
	info->sw_rev = (((uint16_t)b) << 8) | ((uint16_t)a);
223
  a = read8(BNO055_SW_REV_ID_LSB_ADDR);
224
  b = read8(BNO055_SW_REV_ID_MSB_ADDR);
225
  info->sw_rev = (((uint16_t)b) << 8) | ((uint16_t)a);
227 226
}
228 227

  
229 228
/**************************************************************************/
230 229
/*!
231
	@brief  Gets current calibration state.  Each value should be a uint8_t
232
	pointer and it will be set to 0 if not calibrated and 3 if
233
	fully calibrated.
234
	*/
230
    @brief  Gets current calibration state.  Each value should be a uint8_t
231
            pointer and it will be set to 0 if not calibrated and 3 if
232
            fully calibrated.
233
*/
235 234
/**************************************************************************/
236 235
void Adafruit_BNO055::getCalibration(uint8_t* sys, uint8_t* gyro, uint8_t* accel, uint8_t* mag) {
237
	uint8_t calData = read8(BNO055_CALIB_STAT_ADDR);
238
	if (sys != NULL) {
239
		*sys = (calData >> 6) & 0x03;
240
	}
241
	if (gyro != NULL) {
242
		*gyro = (calData >> 4) & 0x03;
243
	}
244
	if (accel != NULL) {
245
		*accel = (calData >> 2) & 0x03;
246
	}
247
	if (mag != NULL) {
248
		*mag = calData & 0x03;
249
	}
236
  uint8_t calData = read8(BNO055_CALIB_STAT_ADDR);
237
  if (sys != NULL) {
238
    *sys = (calData >> 6) & 0x03;
239
  }
240
  if (gyro != NULL) {
241
    *gyro = (calData >> 4) & 0x03;
242
  }
243
  if (accel != NULL) {
244
    *accel = (calData >> 2) & 0x03;
245
  }
246
  if (mag != NULL) {
247
    *mag = calData & 0x03;
248
  }
250 249
}
251 250

  
252 251
/**************************************************************************/
253 252
/*!
254
	@brief  Gets the temperature in degrees celsius
255
	*/
253
    @brief  Gets the temperature in degrees celsius
254
*/
256 255
/**************************************************************************/
257 256
int8_t Adafruit_BNO055::getTemp(void)
258 257
{
259
	int8_t temp = (int8_t)(read8(BNO055_TEMP_ADDR));
260
	return temp;
258
  int8_t temp = (int8_t)(read8(BNO055_TEMP_ADDR));
259
  return temp;
261 260
}
262 261

  
263 262
/**************************************************************************/
264 263
/*!
265
	@brief  Gets a vector reading from the specified source
266
	*/
264
    @brief  Gets a vector reading from the specified source
265
*/
267 266
/**************************************************************************/
268 267
imu::Vector<3> Adafruit_BNO055::getVector(adafruit_vector_type_t vector_type)
269 268
{
270
	imu::Vector<3> xyz;
271
	uint8_t buffer[6];
272
	memset(buffer, 0, 6);
273

  
274
	int16_t x, y, z;
275
	x = y = z = 0;
276

  
277
	/* Read vector data (6 bytes) */
278
	readLen((adafruit_bno055_reg_t)vector_type, buffer, 6);
279

  
280
	x = ((int16_t)buffer[0]) | (((int16_t)buffer[1]) << 8);
281
	y = ((int16_t)buffer[2]) | (((int16_t)buffer[3]) << 8);
282
	z = ((int16_t)buffer[4]) | (((int16_t)buffer[5]) << 8);
283

  
284
	/* Convert the value to an appropriate range (section 3.6.4) */
285
	/* and assign the value to the Vector type */
286
	switch (vector_type)
287
	{
288
	case VECTOR_MAGNETOMETER:
289
		/* 1uT = 16 LSB */
290
		xyz[0] = ((double)x) / 16.0;
291
		xyz[1] = ((double)y) / 16.0;
292
		xyz[2] = ((double)z) / 16.0;
293
		break;
294
	case VECTOR_GYROSCOPE:
295
		/* 1rps = 900 LSB */
296
		xyz[0] = ((double)x) / 900.0;
297
		xyz[1] = ((double)y) / 900.0;
298
		xyz[2] = ((double)z) / 900.0;
299
		break;
300
	case VECTOR_EULER:
301
		/* 1 degree = 16 LSB */
302
		xyz[0] = ((double)x) / 16.0;
303
		xyz[1] = ((double)y) / 16.0;
304
		xyz[2] = ((double)z) / 16.0;
305
		break;
306
	case VECTOR_ACCELEROMETER:
307
	case VECTOR_LINEARACCEL:
308
	case VECTOR_GRAVITY:
309
		/* 1m/s^2 = 100 LSB */
310
		xyz[0] = ((double)x) / 100.0;
311
		xyz[1] = ((double)y) / 100.0;
312
		xyz[2] = ((double)z) / 100.0;
313
		break;
314
	}
315

  
316
	return xyz;
269
  imu::Vector<3> xyz;
270
  uint8_t buffer[6];
271
  memset (buffer, 0, 6);
272

  
273
  int16_t x, y, z;
274
  x = y = z = 0;
275

  
276
  /* Read vector data (6 bytes) */
277
  readLen((adafruit_bno055_reg_t)vector_type, buffer, 6);
278

  
279
  x = ((int16_t)buffer[0]) | (((int16_t)buffer[1]) << 8);
280
  y = ((int16_t)buffer[2]) | (((int16_t)buffer[3]) << 8);
281
  z = ((int16_t)buffer[4]) | (((int16_t)buffer[5]) << 8);
282

  
283
  /* Convert the value to an appropriate range (section 3.6.4) */
284
  /* and assign the value to the Vector type */
285
  switch(vector_type)
286
  {
287
    case VECTOR_MAGNETOMETER:
288
      /* 1uT = 16 LSB */
289
      xyz[0] = ((double)x)/16.0;
290
      xyz[1] = ((double)y)/16.0;
291
      xyz[2] = ((double)z)/16.0;
292
      break;
293
    case VECTOR_GYROSCOPE:
294
      /* 1rps = 900 LSB */
295
      xyz[0] = ((double)x)/900.0;
296
      xyz[1] = ((double)y)/900.0;
297
      xyz[2] = ((double)z)/900.0;
298
      break;
299
    case VECTOR_EULER:
300
      /* 1 degree = 16 LSB */
301
      xyz[0] = ((double)x)/16.0;
302
      xyz[1] = ((double)y)/16.0;
303
      xyz[2] = ((double)z)/16.0;
304
      break;
305
    case VECTOR_ACCELEROMETER:
306
    case VECTOR_LINEARACCEL:
307
    case VECTOR_GRAVITY:
308
      /* 1m/s^2 = 100 LSB */
309
      xyz[0] = ((double)x)/100.0;
310
      xyz[1] = ((double)y)/100.0;
311
      xyz[2] = ((double)z)/100.0;
312
      break;
313
  }
314

  
315
  return xyz;
317 316
}
318 317

  
319 318
/**************************************************************************/
320 319
/*!
321
	@brief  Gets a quaternion reading from the specified source
322
	*/
320
    @brief  Gets a quaternion reading from the specified source
321
*/
323 322
/**************************************************************************/
324 323
imu::Quaternion Adafruit_BNO055::getQuat(void)
325 324
{
326
	uint8_t buffer[8];
327
	memset(buffer, 0, 8);
328

  
329
	int16_t x, y, z, w;
330
	x = y = z = w = 0;
331

  
332
	/* Read quat data (8 bytes) */
333
	readLen(BNO055_QUATERNION_DATA_W_LSB_ADDR, buffer, 8);
334
	w = (((uint16_t)buffer[1]) << 8) | ((uint16_t)buffer[0]);
335
	x = (((uint16_t)buffer[3]) << 8) | ((uint16_t)buffer[2]);
336
	y = (((uint16_t)buffer[5]) << 8) | ((uint16_t)buffer[4]);
337
	z = (((uint16_t)buffer[7]) << 8) | ((uint16_t)buffer[6]);
338

  
339
	/* Assign to Quaternion */
340
	/* See http://ae-bst.resource.bosch.com/media/products/dokumente/bno055/BST_BNO055_DS000_12~1.pdf
341
	   3.6.5.5 Orientation (Quaternion)  */
342
	const double scale = (1.0 / (1 << 14));
343
	imu::Quaternion quat(scale * w, scale * x, scale * y, scale * z);
344
	return quat;
325
  uint8_t buffer[8];
326
  memset (buffer, 0, 8);
327

  
328
  int16_t x, y, z, w;
329
  x = y = z = w = 0;
330

  
331
  /* Read quat data (8 bytes) */
332
  readLen(BNO055_QUATERNION_DATA_W_LSB_ADDR, buffer, 8);
333
  w = (((uint16_t)buffer[1]) << 8) | ((uint16_t)buffer[0]);
334
  x = (((uint16_t)buffer[3]) << 8) | ((uint16_t)buffer[2]);
335
  y = (((uint16_t)buffer[5]) << 8) | ((uint16_t)buffer[4]);
336
  z = (((uint16_t)buffer[7]) << 8) | ((uint16_t)buffer[6]);
337

  
338
  /* Assign to Quaternion */
339
  /* See http://ae-bst.resource.bosch.com/media/products/dokumente/bno055/BST_BNO055_DS000_12~1.pdf
340
     3.6.5.5 Orientation (Quaternion)  */
341
  const double scale = (1.0 / (1<<14));
342
  imu::Quaternion quat(scale * w, scale * x, scale * y, scale * z);
343
  return quat;
345 344
}
346 345

  
347 346
/**************************************************************************/
348 347
/*!
349
	@brief  Provides the sensor_t data for this sensor
350
	*/
348
    @brief  Provides the sensor_t data for this sensor
349
*/
351 350
/**************************************************************************/
352 351
void Adafruit_BNO055::getSensor(sensor_t *sensor)
353 352
{
354
	/* Clear the sensor_t object */
355
	memset(sensor, 0, sizeof(sensor_t));
356

  
357
	/* Insert the sensor name in the fixed length char array */
358
	strncpy(sensor->name, "BNO055", sizeof(sensor->name) - 1);
359
	sensor->name[sizeof(sensor->name) - 1] = 0;
360
	sensor->version = 1;
361
	sensor->sensor_id = _sensorID;
362
	sensor->type = SENSOR_TYPE_ORIENTATION;
363
	sensor->min_delay = 0;
364
	sensor->max_value = 0.0F;
365
	sensor->min_value = 0.0F;
366
	sensor->resolution = 0.01F;
353
  /* Clear the sensor_t object */
354
  memset(sensor, 0, sizeof(sensor_t));
355

  
356
  /* Insert the sensor name in the fixed length char array */
357
  strncpy (sensor->name, "BNO055", sizeof(sensor->name) - 1);
358
  sensor->name[sizeof(sensor->name)- 1] = 0;
359
  sensor->version     = 1;
360
  sensor->sensor_id   = _sensorID;
361
  sensor->type        = SENSOR_TYPE_ORIENTATION;
362
  sensor->min_delay   = 0;
363
  sensor->max_value   = 0.0F;
364
  sensor->min_value   = 0.0F;
365
  sensor->resolution  = 0.01F;
367 366
}
368 367

  
369 368
/**************************************************************************/
370 369
/*!
371
	@brief  Reads the sensor and returns the data as a sensors_event_t
372
	*/
370
    @brief  Reads the sensor and returns the data as a sensors_event_t
371
*/
373 372
/**************************************************************************/
374 373
bool Adafruit_BNO055::getEvent(sensors_event_t *event)
375 374
{
376
	/* Clear the event */
377
	memset(event, 0, sizeof(sensors_event_t));
375
  /* Clear the event */
376
  memset(event, 0, sizeof(sensors_event_t));
378 377

  
379
	event->version = sizeof(sensors_event_t);
380
	event->sensor_id = _sensorID;
381
	event->type = SENSOR_TYPE_ORIENTATION;
382
	event->timestamp = millis();
378
  event->version   = sizeof(sensors_event_t);
379
  event->sensor_id = _sensorID;
380
  event->type      = SENSOR_TYPE_ORIENTATION;
381
  event->timestamp = millis();
383 382

  
384
	/* Get a Euler angle sample for orientation */
385
	imu::Vector<3> euler = getVector(Adafruit_BNO055::VECTOR_EULER);
386
	event->orientation.x = euler.x();
387
	event->orientation.y = euler.y();
388
	event->orientation.z = euler.z();
383
  /* Get a Euler angle sample for orientation */
384
  imu::Vector<3> euler = getVector(Adafruit_BNO055::VECTOR_EULER);
385
  event->orientation.x = euler.x();
386
  event->orientation.y = euler.y();
387
  event->orientation.z = euler.z();
389 388

  
390
	return true;
389
  return true;
391 390
}
392 391

  
393 392
/**************************************************************************/
......
397 396
/**************************************************************************/
398 397
bool Adafruit_BNO055::getSensorOffsets(uint8_t* calibData)
399 398
{
400
	if (isFullyCalibrated())
401
	{
402
		adafruit_bno055_opmode_t lastMode = _mode;
403
		setMode(OPERATION_MODE_CONFIG);
399
    if (isFullyCalibrated())
400
    {
401
        adafruit_bno055_opmode_t lastMode = _mode;
402
        setMode(OPERATION_MODE_CONFIG);
404 403

  
405
		readLen(ACCEL_OFFSET_X_LSB_ADDR, calibData, NUM_BNO055_OFFSET_REGISTERS);
404
        readLen(ACCEL_OFFSET_X_LSB_ADDR, calibData, NUM_BNO055_OFFSET_REGISTERS);
406 405

  
407
		setMode(lastMode);
408
		return true;
409
	}
410
	return false;
406
        setMode(lastMode);
407
        return true;
408
    }
409
    return false;
411 410
}
412 411

  
413 412
/**************************************************************************/
......
417 416
/**************************************************************************/
418 417
bool Adafruit_BNO055::getSensorOffsets(adafruit_bno055_offsets_t &offsets_type)
419 418
{
420
	if (isFullyCalibrated())
421
	{
422
		adafruit_bno055_opmode_t lastMode = _mode;
423
		setMode(OPERATION_MODE_CONFIG);
424
		delay(25);
425

  
426
		offsets_type.accel_offset_x = (read8(ACCEL_OFFSET_X_MSB_ADDR) << 8) | (read8(ACCEL_OFFSET_X_LSB_ADDR));
427
		offsets_type.accel_offset_y = (read8(ACCEL_OFFSET_Y_MSB_ADDR) << 8) | (read8(ACCEL_OFFSET_Y_LSB_ADDR));
428
		offsets_type.accel_offset_z = (read8(ACCEL_OFFSET_Z_MSB_ADDR) << 8) | (read8(ACCEL_OFFSET_Z_LSB_ADDR));
429

  
430
		offsets_type.gyro_offset_x = (read8(GYRO_OFFSET_X_MSB_ADDR) << 8) | (read8(GYRO_OFFSET_X_LSB_ADDR));
431
		offsets_type.gyro_offset_y = (read8(GYRO_OFFSET_Y_MSB_ADDR) << 8) | (read8(GYRO_OFFSET_Y_LSB_ADDR));
432
		offsets_type.gyro_offset_z = (read8(GYRO_OFFSET_Z_MSB_ADDR) << 8) | (read8(GYRO_OFFSET_Z_LSB_ADDR));
433

  
434
		offsets_type.mag_offset_x = (read8(MAG_OFFSET_X_MSB_ADDR) << 8) | (read8(MAG_OFFSET_X_LSB_ADDR));
435
		offsets_type.mag_offset_y = (read8(MAG_OFFSET_Y_MSB_ADDR) << 8) | (read8(MAG_OFFSET_Y_LSB_ADDR));
436
		offsets_type.mag_offset_z = (read8(MAG_OFFSET_Z_MSB_ADDR) << 8) | (read8(MAG_OFFSET_Z_LSB_ADDR));
437

  
438
		offsets_type.accel_radius = (read8(ACCEL_RADIUS_MSB_ADDR) << 8) | (read8(ACCEL_RADIUS_LSB_ADDR));
439
		offsets_type.mag_radius = (read8(MAG_RADIUS_MSB_ADDR) << 8) | (read8(MAG_RADIUS_LSB_ADDR));
440

  
441
		setMode(lastMode);
442
		return true;
443
	}
444
	return false;
419
    if (isFullyCalibrated())
420
    {
421
        adafruit_bno055_opmode_t lastMode = _mode;
422
        setMode(OPERATION_MODE_CONFIG);
423
        delay(25);
424

  
425
        offsets_type.accel_offset_x = (read8(ACCEL_OFFSET_X_MSB_ADDR) << 8) | (read8(ACCEL_OFFSET_X_LSB_ADDR));
426
        offsets_type.accel_offset_y = (read8(ACCEL_OFFSET_Y_MSB_ADDR) << 8) | (read8(ACCEL_OFFSET_Y_LSB_ADDR));
427
        offsets_type.accel_offset_z = (read8(ACCEL_OFFSET_Z_MSB_ADDR) << 8) | (read8(ACCEL_OFFSET_Z_LSB_ADDR));
428

  
429
        offsets_type.gyro_offset_x = (read8(GYRO_OFFSET_X_MSB_ADDR) << 8) | (read8(GYRO_OFFSET_X_LSB_ADDR));
430
        offsets_type.gyro_offset_y = (read8(GYRO_OFFSET_Y_MSB_ADDR) << 8) | (read8(GYRO_OFFSET_Y_LSB_ADDR));
431
        offsets_type.gyro_offset_z = (read8(GYRO_OFFSET_Z_MSB_ADDR) << 8) | (read8(GYRO_OFFSET_Z_LSB_ADDR));
432

  
433
        offsets_type.mag_offset_x = (read8(MAG_OFFSET_X_MSB_ADDR) << 8) | (read8(MAG_OFFSET_X_LSB_ADDR));
434
        offsets_type.mag_offset_y = (read8(MAG_OFFSET_Y_MSB_ADDR) << 8) | (read8(MAG_OFFSET_Y_LSB_ADDR));
435
        offsets_type.mag_offset_z = (read8(MAG_OFFSET_Z_MSB_ADDR) << 8) | (read8(MAG_OFFSET_Z_LSB_ADDR));
436

  
437
        offsets_type.accel_radius = (read8(ACCEL_RADIUS_MSB_ADDR) << 8) | (read8(ACCEL_RADIUS_LSB_ADDR));
438
        offsets_type.mag_radius = (read8(MAG_RADIUS_MSB_ADDR) << 8) | (read8(MAG_RADIUS_LSB_ADDR));
439

  
440
        setMode(lastMode);
441
        return true;
442
    }
443
    return false;
445 444
}
446 445

  
447 446

  
......
452 451
/**************************************************************************/
453 452
void Adafruit_BNO055::setSensorOffsets(const uint8_t* calibData)
454 453
{
455
	adafruit_bno055_opmode_t lastMode = _mode;
456
	setMode(OPERATION_MODE_CONFIG);
457
	delay(25);
458

  
459
	/* A writeLen() would make this much cleaner */
460
	write8(ACCEL_OFFSET_X_LSB_ADDR, calibData[0]);
461
	write8(ACCEL_OFFSET_X_MSB_ADDR, calibData[1]);
462
	write8(ACCEL_OFFSET_Y_LSB_ADDR, calibData[2]);
463
	write8(ACCEL_OFFSET_Y_MSB_ADDR, calibData[3]);
464
	write8(ACCEL_OFFSET_Z_LSB_ADDR, calibData[4]);
465
	write8(ACCEL_OFFSET_Z_MSB_ADDR, calibData[5]);
466

  
467
	write8(GYRO_OFFSET_X_LSB_ADDR, calibData[6]);
468
	write8(GYRO_OFFSET_X_MSB_ADDR, calibData[7]);
469
	write8(GYRO_OFFSET_Y_LSB_ADDR, calibData[8]);
470
	write8(GYRO_OFFSET_Y_MSB_ADDR, calibData[9]);
471
	write8(GYRO_OFFSET_Z_LSB_ADDR, calibData[10]);
472
	write8(GYRO_OFFSET_Z_MSB_ADDR, calibData[11]);
473

  
474
	write8(MAG_OFFSET_X_LSB_ADDR, calibData[12]);
475
	write8(MAG_OFFSET_X_MSB_ADDR, calibData[13]);
476
	write8(MAG_OFFSET_Y_LSB_ADDR, calibData[14]);
477
	write8(MAG_OFFSET_Y_MSB_ADDR, calibData[15]);
478
	write8(MAG_OFFSET_Z_LSB_ADDR, calibData[16]);
479
	write8(MAG_OFFSET_Z_MSB_ADDR, calibData[17]);
480

  
481
	write8(ACCEL_RADIUS_LSB_ADDR, calibData[18]);
482
	write8(ACCEL_RADIUS_MSB_ADDR, calibData[19]);
483

  
484
	write8(MAG_RADIUS_LSB_ADDR, calibData[20]);
485
	write8(MAG_RADIUS_MSB_ADDR, calibData[21]);
486

  
487
	setMode(lastMode);
454
    adafruit_bno055_opmode_t lastMode = _mode;
455
    setMode(OPERATION_MODE_CONFIG);
456
    delay(25);
457

  
458
    /* A writeLen() would make this much cleaner */
459
    write8(ACCEL_OFFSET_X_LSB_ADDR, calibData[0]);
460
    write8(ACCEL_OFFSET_X_MSB_ADDR, calibData[1]);
461
    write8(ACCEL_OFFSET_Y_LSB_ADDR, calibData[2]);
462
    write8(ACCEL_OFFSET_Y_MSB_ADDR, calibData[3]);
463
    write8(ACCEL_OFFSET_Z_LSB_ADDR, calibData[4]);
464
    write8(ACCEL_OFFSET_Z_MSB_ADDR, calibData[5]);
465

  
466
    write8(GYRO_OFFSET_X_LSB_ADDR, calibData[6]);
467
    write8(GYRO_OFFSET_X_MSB_ADDR, calibData[7]);
468
    write8(GYRO_OFFSET_Y_LSB_ADDR, calibData[8]);
469
    write8(GYRO_OFFSET_Y_MSB_ADDR, calibData[9]);
470
    write8(GYRO_OFFSET_Z_LSB_ADDR, calibData[10]);
471
    write8(GYRO_OFFSET_Z_MSB_ADDR, calibData[11]);
472

  
473
    write8(MAG_OFFSET_X_LSB_ADDR, calibData[12]);
474
    write8(MAG_OFFSET_X_MSB_ADDR, calibData[13]);
475
    write8(MAG_OFFSET_Y_LSB_ADDR, calibData[14]);
476
    write8(MAG_OFFSET_Y_MSB_ADDR, calibData[15]);
477
    write8(MAG_OFFSET_Z_LSB_ADDR, calibData[16]);
478
    write8(MAG_OFFSET_Z_MSB_ADDR, calibData[17]);
479

  
480
    write8(ACCEL_RADIUS_LSB_ADDR, calibData[18]);
481
    write8(ACCEL_RADIUS_MSB_ADDR, calibData[19]);
482

  
483
    write8(MAG_RADIUS_LSB_ADDR, calibData[20]);
484
    write8(MAG_RADIUS_MSB_ADDR, calibData[21]);
485

  
486
    setMode(lastMode);
488 487
}
489 488

  
490 489
/**************************************************************************/
......
494 493
/**************************************************************************/
495 494
void Adafruit_BNO055::setSensorOffsets(const adafruit_bno055_offsets_t &offsets_type)
496 495
{
497
	adafruit_bno055_opmode_t lastMode = _mode;
498
	setMode(OPERATION_MODE_CONFIG);
499
	delay(25);
500

  
501
	write8(ACCEL_OFFSET_X_LSB_ADDR, (offsets_type.accel_offset_x) & 0x0FF);
502
	write8(ACCEL_OFFSET_X_MSB_ADDR, (offsets_type.accel_offset_x >> 8) & 0x0FF);
503
	write8(ACCEL_OFFSET_Y_LSB_ADDR, (offsets_type.accel_offset_y) & 0x0FF);
504
	write8(ACCEL_OFFSET_Y_MSB_ADDR, (offsets_type.accel_offset_y >> 8) & 0x0FF);
505
	write8(ACCEL_OFFSET_Z_LSB_ADDR, (offsets_type.accel_offset_z) & 0x0FF);
506
	write8(ACCEL_OFFSET_Z_MSB_ADDR, (offsets_type.accel_offset_z >> 8) & 0x0FF);
507

  
508
	write8(GYRO_OFFSET_X_LSB_ADDR, (offsets_type.gyro_offset_x) & 0x0FF);
509
	write8(GYRO_OFFSET_X_MSB_ADDR, (offsets_type.gyro_offset_x >> 8) & 0x0FF);
510
	write8(GYRO_OFFSET_Y_LSB_ADDR, (offsets_type.gyro_offset_y) & 0x0FF);
511
	write8(GYRO_OFFSET_Y_MSB_ADDR, (offsets_type.gyro_offset_y >> 8) & 0x0FF);
512
	write8(GYRO_OFFSET_Z_LSB_ADDR, (offsets_type.gyro_offset_z) & 0x0FF);
513
	write8(GYRO_OFFSET_Z_MSB_ADDR, (offsets_type.gyro_offset_z >> 8) & 0x0FF);
514

  
515
	write8(MAG_OFFSET_X_LSB_ADDR, (offsets_type.mag_offset_x) & 0x0FF);
516
	write8(MAG_OFFSET_X_MSB_ADDR, (offsets_type.mag_offset_x >> 8) & 0x0FF);
517
	write8(MAG_OFFSET_Y_LSB_ADDR, (offsets_type.mag_offset_y) & 0x0FF);
518
	write8(MAG_OFFSET_Y_MSB_ADDR, (offsets_type.mag_offset_y >> 8) & 0x0FF);
519
	write8(MAG_OFFSET_Z_LSB_ADDR, (offsets_type.mag_offset_z) & 0x0FF);
520
	write8(MAG_OFFSET_Z_MSB_ADDR, (offsets_type.mag_offset_z >> 8) & 0x0FF);
521

  
522
	write8(ACCEL_RADIUS_LSB_ADDR, (offsets_type.accel_radius) & 0x0FF);
523
	write8(ACCEL_RADIUS_MSB_ADDR, (offsets_type.accel_radius >> 8) & 0x0FF);
524

  
525
	write8(MAG_RADIUS_LSB_ADDR, (offsets_type.mag_radius) & 0x0FF);
526
	write8(MAG_RADIUS_MSB_ADDR, (offsets_type.mag_radius >> 8) & 0x0FF);
527

  
528
	setMode(lastMode);
496
    adafruit_bno055_opmode_t lastMode = _mode;
497
    setMode(OPERATION_MODE_CONFIG);
498
    delay(25);
499

  
500
    write8(ACCEL_OFFSET_X_LSB_ADDR, (offsets_type.accel_offset_x) & 0x0FF);
501
    write8(ACCEL_OFFSET_X_MSB_ADDR, (offsets_type.accel_offset_x >> 8) & 0x0FF);
502
    write8(ACCEL_OFFSET_Y_LSB_ADDR, (offsets_type.accel_offset_y) & 0x0FF);
503
    write8(ACCEL_OFFSET_Y_MSB_ADDR, (offsets_type.accel_offset_y >> 8) & 0x0FF);
504
    write8(ACCEL_OFFSET_Z_LSB_ADDR, (offsets_type.accel_offset_z) & 0x0FF);
505
    write8(ACCEL_OFFSET_Z_MSB_ADDR, (offsets_type.accel_offset_z >> 8) & 0x0FF);
506

  
507
    write8(GYRO_OFFSET_X_LSB_ADDR, (offsets_type.gyro_offset_x) & 0x0FF);
508
    write8(GYRO_OFFSET_X_MSB_ADDR, (offsets_type.gyro_offset_x >> 8) & 0x0FF);
509
    write8(GYRO_OFFSET_Y_LSB_ADDR, (offsets_type.gyro_offset_y) & 0x0FF);
510
    write8(GYRO_OFFSET_Y_MSB_ADDR, (offsets_type.gyro_offset_y >> 8) & 0x0FF);
511
    write8(GYRO_OFFSET_Z_LSB_ADDR, (offsets_type.gyro_offset_z) & 0x0FF);
512
    write8(GYRO_OFFSET_Z_MSB_ADDR, (offsets_type.gyro_offset_z >> 8) & 0x0FF);
513

  
514
    write8(MAG_OFFSET_X_LSB_ADDR, (offsets_type.mag_offset_x) & 0x0FF);
515
    write8(MAG_OFFSET_X_MSB_ADDR, (offsets_type.mag_offset_x >> 8) & 0x0FF);
516
    write8(MAG_OFFSET_Y_LSB_ADDR, (offsets_type.mag_offset_y) & 0x0FF);
517
    write8(MAG_OFFSET_Y_MSB_ADDR, (offsets_type.mag_offset_y >> 8) & 0x0FF);
518
    write8(MAG_OFFSET_Z_LSB_ADDR, (offsets_type.mag_offset_z) & 0x0FF);
519
    write8(MAG_OFFSET_Z_MSB_ADDR, (offsets_type.mag_offset_z >> 8) & 0x0FF);
520

  
521
    write8(ACCEL_RADIUS_LSB_ADDR, (offsets_type.accel_radius) & 0x0FF);
522
    write8(ACCEL_RADIUS_MSB_ADDR, (offsets_type.accel_radius >> 8) & 0x0FF);
523

  
524
    write8(MAG_RADIUS_LSB_ADDR, (offsets_type.mag_radius) & 0x0FF);
525
    write8(MAG_RADIUS_MSB_ADDR, (offsets_type.mag_radius >> 8) & 0x0FF);
526

  
527
    setMode(lastMode);
529 528
}
530 529

  
531 530
bool Adafruit_BNO055::isFullyCalibrated(void)
532 531
{
533
	uint8_t system, gyro, accel, mag;
534
	getCalibration(&system, &gyro, &accel, &mag);
535
	if (system < 3 || gyro < 3 || accel < 3 || mag < 3)
536
		return false;
537
	return true;
532
    uint8_t system, gyro, accel, mag;
533
    getCalibration(&system, &gyro, &accel, &mag);
534
    if (system < 3 || gyro < 3 || accel < 3 || mag < 3)
535
        return false;
536
    return true;
538 537
}
539 538

  
540 539

  
541

  
542 540
/***************************************************************************
543 541
 PRIVATE FUNCTIONS
544 542
 ***************************************************************************/
545 543

  
546 544
/**************************************************************************/
547 545
/*!
548
	@brief  Writes an 8 bit value over I2C
549
	*/
546
    @brief  Writes an 8 bit value over I2C
547
*/
550 548
/**************************************************************************/
551 549
bool Adafruit_BNO055::write8(adafruit_bno055_reg_t reg, byte value)
552 550
{
553
	Wire.beginTransmission(_address);
554
#if ARDUINO >= 100
555
	Wire.write((uint8_t)reg);
556
	Wire.write((uint8_t)value);
557
#else
558
	Wire.send(reg);
559
	Wire.send(value);
560
#endif
561
	Wire.endTransmission();
562

  
563
	/* ToDo: Check for error! */
564
	return true;
551
  Wire.beginTransmission(_address);
552
  #if ARDUINO >= 100
553
    Wire.write((uint8_t)reg);
554
    Wire.write((uint8_t)value);
555
  #else
556
    Wire.send(reg);
557
    Wire.send(value);
558
  #endif
559
  Wire.endTransmission();
560

  
561
  /* ToDo: Check for error! */
562
  return true;
565 563
}
566 564

  
567 565
/**************************************************************************/
568 566
/*!
569
	@brief  Reads an 8 bit value over I2C
570
	*/
567
    @brief  Reads an 8 bit value over I2C
568
*/
571 569
/**************************************************************************/
572
byte Adafruit_BNO055::read8(adafruit_bno055_reg_t reg)
570
byte Adafruit_BNO055::read8(adafruit_bno055_reg_t reg )
573 571
{
574
	byte value = 0;
575

  
576
	Wire.beginTransmission(_address);
577
#if ARDUINO >= 100
578
	Wire.write((uint8_t)reg);
579
#else
580
	Wire.send(reg);
581
#endif
582
	Wire.endTransmission();
583
	Wire.requestFrom(_address, (byte)1);
584
#if ARDUINO >= 100
585
	value = Wire.read();
586
#else
587
	value = Wire.receive();
588
#endif
589

  
590
	return value;
572
  byte value = 0;
573

  
574
  Wire.beginTransmission(_address);
575
  #if ARDUINO >= 100
576
    Wire.write((uint8_t)reg);
577
  #else
578
    Wire.send(reg);
579
  #endif
580
  Wire.endTransmission();
581
  Wire.requestFrom(_address, (byte)1);
582
  #if ARDUINO >= 100
583
    value = Wire.read();
584
  #else
585
    value = Wire.receive();
586
  #endif
587

  
588
  return value;
591 589
}
592 590

  
593 591
/**************************************************************************/
594 592
/*!
595
	@brief  Reads the specified number of bytes over I2C
596
	*/
593
    @brief  Reads the specified number of bytes over I2C
594
*/
597 595
/**************************************************************************/
598 596
bool Adafruit_BNO055::readLen(adafruit_bno055_reg_t reg, byte * buffer, uint8_t len)
599 597
{
600
	Wire.beginTransmission(_address);
601
#if ARDUINO >= 100
602
	Wire.write((uint8_t)reg);
603
#else
604
	Wire.send(reg);
605
#endif
606
	Wire.endTransmission();
607
	Wire.requestFrom(_address, (byte)len);
608

  
609
	for (uint8_t i = 0; i < len; i++)
610
	{
611
#if ARDUINO >= 100
612
		buffer[i] = Wire.read();
613
#else
614
		buffer[i] = Wire.receive();
615
#endif
616
	}
617

  
618
	/* ToDo: Check for errors! */
619
	return true;
620
}
598
  Wire.beginTransmission(_address);
599
  #if ARDUINO >= 100
600
    Wire.write((uint8_t)reg);
601
  #else
602
    Wire.send(reg);
603
  #endif
604
  Wire.endTransmission();
605
  Wire.requestFrom(_address, (byte)len);
606

  
607
  for (uint8_t i = 0; i < len; i++)
608
  {
609
    #if ARDUINO >= 100
610
      buffer[i] = Wire.read();
611
    #else
612
      buffer[i] = Wire.receive();
613
    #endif
614
  }
615

  
616
  /* ToDo: Check for errors! */
617
  return true;
618
}

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