2 * Copyright (c) 2020 Bosch Sensortec GmbH. All rights reserved.
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33 * @file bmi270_context.h
41 * \defgroup bmi270_context BMI270_CONTEXT
42 * @brief Sensor driver for BMI270_CONTEXT sensor
45 #ifndef BMI270_CONTEXT_H_
46 #define BMI270_CONTEXT_H_
53 /***************************************************************************/
56 ****************************************************************************/
59 /***************************************************************************/
62 ****************************************************************************/
64 /*! @name BMI270_CONTEXT Chip identifier */
65 #define BMI270_CONTEXT_CHIP_ID UINT8_C(0x24)
67 /*! @name BMI270_CONTEXT feature input start addresses */
68 #define BMI270_CONTEXT_CONFIG_ID_STRT_ADDR UINT8_C(0x06)
69 #define BMI270_CONTEXT_STEP_CNT_1_STRT_ADDR UINT8_C(0x00)
70 #define BMI270_CONTEXT_STEP_CNT_4_STRT_ADDR UINT8_C(0x02)
71 #define BMI270_CONTEXT_MAX_BURST_LEN_STRT_ADDR UINT8_C(0x08)
72 #define BMI270_CONTEXT_CRT_GYRO_SELF_TEST_STRT_ADDR UINT8_C(0x09)
73 #define BMI270_CONTEXT_ABORT_STRT_ADDR UINT8_C(0x09)
74 #define BMI270_CONTEXT_NVM_PROG_PREP_STRT_ADDR UINT8_C(0x0A)
75 #define BMI270_CONTEXT_ACT_RGN_SETT_STRT_ADDR UINT8_C(0x00)
76 #define BMI270_CONTEXT_ACT_RGN_STRT_ADDR UINT8_C(0x0A)
78 /*! @name BMI270_CONTEXT feature output start addresses */
79 #define BMI270_CONTEXT_STEP_CNT_OUT_STRT_ADDR UINT8_C(0x00)
80 #define BMI270_CONTEXT_GYR_USER_GAIN_OUT_STRT_ADDR UINT8_C(0x04)
81 #define BMI270_CONTEXT_GYRO_CROSS_SENSE_STRT_ADDR UINT8_C(0x0C)
82 #define BMI270_CONTEXT_NVM_VFRM_OUT_STRT_ADDR UINT8_C(0x0E)
84 /*! @name Defines maximum number of pages */
85 #define BMI270_CONTEXT_MAX_PAGE_NUM UINT8_C(8)
87 /*! @name Defines maximum number of feature input configurations */
88 #define BMI270_CONTEXT_MAX_FEAT_IN UINT8_C(10)
90 /*! @name Defines maximum number of feature outputs */
91 #define BMI270_CONTEXT_MAX_FEAT_OUT UINT8_C(5)
93 /*! @name Mask definitions for feature interrupt status bits */
94 #define BMI270_CONTEXT_STEP_CNT_STATUS_MASK UINT8_C(0x01)
96 /*! @name Mask definitions for feature interrupt mapping bits */
97 #define BMI270_C_INT_STEP_COUNTER_MASK UINT8_C(0x01)
98 #define BMI270_C_INT_STEP_DETECTOR_MASK UINT8_C(0x01)
100 /*! @name Defines maximum number of feature interrupts */
101 #define BMI270_C_MAX_INT_MAP UINT8_C(2)
103 /***************************************************************************/
105 /*! BMI270_CONTEXT User Interface function prototypes
106 ****************************************************************************/
109 * \ingroup bmi270_context
110 * \defgroup bmi270_contextApiInit Initialization
111 * @brief Initialize the sensor and device structure
115 * \ingroup bmi270_contextApiInit
116 * \page bmi270_context_api_bmi270_context_init bmi270_context_init
118 * int8_t bmi270_context_init(struct bmi2_dev *dev);
121 * 1) updates the device structure with address of the configuration file.
122 * 2) Initializes BMI270_CONTEXT sensor.
123 * 3) Writes the configuration file.
124 * 4) Updates the feature offset parameters in the device structure.
125 * 5) Updates the maximum number of pages, in the device structure.
127 * @param[in, out] dev : Structure instance of bmi2_dev.
129 * @return Result of API execution status
130 * @retval 0 -> Success
131 * @retval < 0 -> Fail
133 int8_t bmi270_context_init(struct bmi2_dev
*dev
);
136 * \ingroup bmi270_context
137 * \defgroup bmi270_contextApiSensor Feature Set
138 * @brief Enable / Disable features of the sensor
142 * \ingroup bmi270_contextApiSensor
143 * \page bmi270_context_api_bmi270_context_sensor_enable bmi270_context_sensor_enable
145 * int8_t bmi270_context_sensor_enable(const uint8_t *sens_list, uint8_t n_sens, struct bmi2_dev *dev);
147 * @details This API selects the sensors/features to be enabled.
149 * @param[in] sens_list : Pointer to select the sensor/feature.
150 * @param[in] n_sens : Number of sensors selected.
151 * @param[in, out] dev : Structure instance of bmi2_dev.
153 * @note Sensors/features that can be enabled.
157 * ----------------------------|-----------
161 * BMI2_STEP_DETECTOR | 6
162 * BMI2_STEP_COUNTER | 7
163 * BMI2_GYRO_GAIN_UPDATE | 9
164 * BMI2_ACTIVITY_RECOGNITION | 34
168 * example uint8_t sens_list[2] = {BMI2_ACCEL, BMI2_GYRO};
169 * uint8_t n_sens = 2;
171 * @return Result of API execution status
172 * @retval 0 -> Success
173 * @retval < 0 -> Fail
175 int8_t bmi270_context_sensor_enable(const uint8_t *sens_list
, uint8_t n_sens
, struct bmi2_dev
*dev
);
178 * \ingroup bmi270_contextApiSensor
179 * \page bmi270_context_api_bmi270_context_sensor_disable bmi270_context_sensor_disable
181 * int8_t bmi270_context_sensor_disable(const uint8_t *sens_list, uint8_t n_sens, struct bmi2_dev *dev);
183 * @details This API selects the sensors/features to be disabled.
185 * @param[in] sens_list : Pointer to select the sensor/feature.
186 * @param[in] n_sens : Number of sensors selected.
187 * @param[in, out] dev : Structure instance of bmi2_dev.
189 * @note Sensors/features that can be disabled.
193 * ----------------------------|-----------
197 * BMI2_STEP_DETECTOR | 6
198 * BMI2_STEP_COUNTER | 7
199 * BMI2_GYRO_GAIN_UPDATE | 9
200 * BMI2_ACTIVITY_RECOGNITION | 34
204 * example uint8_t sens_list[2] = {BMI2_ACCEL, BMI2_GYRO};
205 * uint8_t n_sens = 2;
207 * @return Result of API execution status
208 * @retval 0 -> Success
209 * @retval < 0 -> Fail
211 int8_t bmi270_context_sensor_disable(const uint8_t *sens_list
, uint8_t n_sens
, struct bmi2_dev
*dev
);
214 * \ingroup bmi270_context
215 * \defgroup bmi270_contextApiSensorC Sensor Configuration
216 * @brief Enable / Disable feature configuration of the sensor
220 * \ingroup bmi270_contextApiSensorC
221 * \page bmi270_context_api_bmi270_context_set_sensor_config bmi270_context_set_sensor_config
223 * int8_t bmi270_context_set_sensor_config(struct bmi2_sens_config *sens_cfg, uint8_t n_sens, struct bmi2_dev *dev);
225 * @details This API sets the sensor/feature configuration.
227 * @param[in] sens_cfg : Structure instance of bmi2_sens_config.
228 * @param[in] n_sens : Number of sensors selected.
229 * @param[in, out] dev : Structure instance of bmi2_dev.
231 * @note Sensors/features that can be configured
235 * ----------------------------|-----------
236 * BMI2_STEP_DETECTOR | 6
237 * BMI2_STEP_COUNTER | 7
238 * BMI2_STEP_COUNTER_PARAMS | 28
241 * @return Result of API execution status
242 * @retval 0 -> Success
243 * @retval < 0 -> Fail
245 int8_t bmi270_context_set_sensor_config(struct bmi2_sens_config
*sens_cfg
, uint8_t n_sens
, struct bmi2_dev
*dev
);
248 * \ingroup bmi270_contextApiSensorC
249 * \page bmi270_context_api_bmi270_context_get_sensor_config bmi270_context_get_sensor_config
251 * int8_t bmi270_context_get_sensor_config(struct bmi2_sens_config *sens_cfg, uint8_t n_sens, struct bmi2_dev *dev);
253 * @details This API gets the sensor/feature configuration.
255 * @param[in] sens_cfg : Structure instance of bmi2_sens_config.
256 * @param[in] n_sens : Number of sensors selected.
257 * @param[in, out] dev : Structure instance of bmi2_dev.
259 * @note Sensors/features whose configurations can be read.
263 * ----------------------------|-----------
264 * BMI2_STEP_DETECTOR | 6
265 * BMI2_STEP_COUNTER | 7
266 * BMI2_STEP_COUNTER_PARAMS | 28
269 * @return Result of API execution status
270 * @retval 0 -> Success
271 * @retval < 0 -> Fail
273 int8_t bmi270_context_get_sensor_config(struct bmi2_sens_config
*sens_cfg
, uint8_t n_sens
, struct bmi2_dev
*dev
);
276 * \ingroup bmi270_context
277 * \defgroup bmi270_contextApiSensorD Sensor Data
278 * @brief Get sensor data
282 * \ingroup bmi270_contextApiSensorD
283 * \page bmi270_context_api_bmi270_context_get_sensor_data bmi270_context_get_sensor_data
285 * int8_t bmi270_context_get_sensor_data(struct bmi2_sensor_data *sensor_data, uint8_t n_sens, struct bmi2_dev *dev);
287 * @details This API gets the sensor/feature data for accelerometer, gyroscope,
288 * auxiliary sensor, step counter, high-g, gyroscope user-gain update,
289 * orientation, gyroscope cross sensitivity and error status for NVM and VFRM.
291 * @param[out] sensor_data : Structure instance of bmi2_sensor_data.
292 * @param[in] n_sens : Number of sensors selected.
293 * @param[in] dev : Structure instance of bmi2_dev.
295 * @note Sensors/features whose data can be read
299 * ---------------------|-----------
300 * BMI2_STEP_COUNTER | 7
301 * BMI2_NVM_STATUS | 38
302 * BMI2_VFRM_STATUS | 39
305 * @return Result of API execution status
306 * @retval 0 -> Success
307 * @retval < 0 -> Fail
309 int8_t bmi270_context_get_sensor_data(struct bmi2_sensor_data
*sensor_data
, uint8_t n_sens
, struct bmi2_dev
*dev
);
312 * \ingroup bmi270_context
313 * \defgroup bmi270_contextApiARecog Activity recognition settings
314 * @brief Set / Get activity recognition settings of the sensor
318 * \ingroup bmi270_contextApiARecog
319 * \page bmi270_context_api_bmi270_context_get_act_recg_sett bmi270_context_get_act_recg_sett
321 * int8_t bmi270_context_get_act_recg_sett(struct bmi2_act_recg_sett *sett, struct bmi2_dev *dev);
323 * @details This api is used for retrieving the following activity recognition settings currently set.
324 * enable/disable post processing(0/1) by default -> 1(enable),
325 * Setting the min & max Gini's diversity index (GDI) threshold. min_GDI_tres(0-0XFFFF) by default ->(0x06e1)
326 * max_GDI_tres(0-0xFFFF) by default ->(0x0A66)
327 * buffer size for post processing. range (1-0x0A) default -> (0x0A)
328 * min segment confidence. range (1-0x0A) default -> (0x0A)
330 * @param[in] sett : Structure instance of bmi2_act_recg_sett.
331 * @param[in] dev : Structure instance of bmi2_dev.
333 * @return Result of API execution status
334 * @retval 0 -> Success
335 * @retval < 0 -> Fail
337 int8_t bmi270_context_get_act_recg_sett(struct bmi2_act_recg_sett
*sett
, struct bmi2_dev
*dev
);
340 * \ingroup bmi270_contextApiARecog
341 * \page bmi270_context_api_bmi270_context_set_act_recg_sett bmi270_context_set_act_recg_sett
343 * int8_t bmi270_context_set_act_recg_sett(const struct bmi2_act_recg_sett *sett, struct bmi2_dev *dev);
345 * @details This api is used for setting the following activity recognition settings
346 * enable/disable post processing(0/1) by default -> 1(enable),
347 * Setting the min & max Gini's diversity index (GDI) threshold. min_GDI_tres(0-0XFFFF) by default ->(0x06e1)
348 * max_GDI_tres(0-0xFFFF) by default ->(0x0A66)
349 * buffer size for post processing. range (1-0x0A) default -> (0x0A)
350 * min segment confidence. range (1-0x0A) default -> (0x0A)
352 * @param[in] sett : Structure instance of bmi2_act_recg_sett.
353 * @param[in] dev : Structure instance of bmi2_dev.
355 * @return Result of API execution status
356 * @retval 0 -> Success
357 * @retval < 0 -> Fail
359 int8_t bmi270_context_set_act_recg_sett(const struct bmi2_act_recg_sett
*sett
, struct bmi2_dev
*dev
);
362 * \ingroup bmi270_contex
363 * \defgroup bmi270_contextApiactOut Activity Output
364 * @brief Activity output operations of the sensor
368 * \ingroup bmi270_contextApiactOut
369 * \page bmi270_context_api_bmi270_context_get_act_recog_output bmi270_context_get_act_recog_output
371 * int8_t bmi270_context_get_act_recog_output(struct bmi2_act_recog_output *act_recog,
372 * uint16_t *act_frm_len,
373 * struct bmi2_fifo_frame *fifo,
374 * const struct bmi2_dev *dev);
377 * @details This internal API is used to parse the activity output from the
378 * FIFO in header mode.
380 * @param[out] act_recog : Pointer to buffer where the parsed activity data
382 * @param[in] act_frm_len : Number of activity frames parsed.
383 * @param[in] fifo : Structure instance of bmi2_fifo_frame.
384 * @param[in] dev : Structure instance of bmi2_dev.
387 * ----------------------------------------------------------------------------
388 * bmi2_act_rec_output |
389 * Structure parameters | Description
390 *--------------------------|--------------------------------------------------
391 * time_stamp | time-stamp (expressed in 50Hz ticks)
392 * -------------------------|---------------------------------------------------
393 * type | Type of activity
394 * -------------------------|---------------------------------------------------
395 * stat | Activity status
396 * -------------------------|---------------------------------------------------
401 *----------|---------------------
413 * stat | Activity status
414 *----------|---------------------
419 * @return Result of API execution status
420 * @retval 0 -> Success
421 * @retval < 0 -> Fail
423 int8_t bmi270_context_get_act_recog_output(struct bmi2_act_recog_output
*act_recog
,
424 uint16_t *act_frm_len
,
425 struct bmi2_fifo_frame
*fifo
,
426 const struct bmi2_dev
*dev
);
429 * \ingroup bmi270_contex
430 * \defgroup bmi270_contextApiGyroUG Gyro User Gain
431 * @brief Set / Get Gyro User Gain of the sensor
435 * \ingroup bmi270_contextApiGyroUG
436 * \page bmi270_context_api_bmi270_context_update_gyro_user_gain bmi270_context_update_gyro_user_gain
438 * int8_t bmi270_context_update_gyro_user_gain(const struct bmi2_gyro_user_gain_config *user_gain, struct bmi2_dev *dev);
440 * @details This API updates the gyroscope user-gain.
442 * @param[in] user_gain : Structure that stores user-gain configurations.
443 * @param[in] dev : Structure instance of bmi2_dev.
445 * @return Result of API execution status
446 * @retval 0 -> Success
447 * @retval < 0 -> Fail
449 int8_t bmi270_context_update_gyro_user_gain(const struct bmi2_gyro_user_gain_config
*user_gain
, struct bmi2_dev
*dev
);
452 * \ingroup bmi270_contextApiGyroUG
453 * \page bmi270_context_api_bmi270_context_read_gyro_user_gain bmi270_context_read_gyro_user_gain
455 * int8_t bmi270_context_read_gyro_user_gain(struct bmi2_gyro_user_gain_data *gyr_usr_gain, const struct bmi2_dev *dev);
457 * @details This API reads the compensated gyroscope user-gain values.
459 * @param[out] gyr_usr_gain : Structure that stores gain values.
460 * @param[in] dev : Structure instance of bmi2_dev.
462 * @return Result of API execution status
463 * @retval 0 -> Success
464 * @retval < 0 -> Fail
466 int8_t bmi270_context_read_gyro_user_gain(struct bmi2_gyro_user_gain_data
*gyr_usr_gain
, struct bmi2_dev
*dev
);
469 * \ingroup bmi270_contextApiInt
470 * \page bmi270_context_api_bmi270_context_map_feat_int bmi270_context_map_feat_int
472 * int8_t bmi270_context_map_feat_int(const struct bmi2_sens_int_config *sens_int, uint8_t n_sens, struct bmi2_dev *dev)
474 * @details This API maps/unmaps feature interrupts to that of interrupt pins.
476 * @param[in] sens_int : Structure instance of bmi2_sens_int_config.
477 * @param[in] n_sens : Number of interrupts to be mapped.
478 * @param[in] dev : Structure instance of bmi2_dev.
480 * @return Result of API execution status
481 * @retval 0 -> Success
482 * @retval < 0 -> Fail
484 int8_t bmi270_context_map_feat_int(const struct bmi2_sens_int_config
*sens_int
, uint8_t n_sens
, struct bmi2_dev
*dev
);
486 /******************************************************************************/
487 /*! @name C++ Guard Macros */
488 /******************************************************************************/
491 #endif /* End of CPP guard */
493 #endif /* BMI270_CONTEXT_H_ */