LPS22HHSensor.cpp

00001 /**
00002  ******************************************************************************
00003  * @file    LPS22HHSensor.cpp
00004  * @author  SRA
00005  * @version V1.0.0
00006  * @date    February 2019
00007  * @brief   Implementation of a LPS22HH pressure sensor.
00008  ******************************************************************************
00009  * @attention
00010  *
00011  * <h2><center>&copy; COPYRIGHT(c) 2019 STMicroelectronics</center></h2>
00012  *
00013  * Redistribution and use in source and binary forms, with or without modification,
00014  * are permitted provided that the following conditions are met:
00015  *   1. Redistributions of source code must retain the above copyright notice,
00016  *      this list of conditions and the following disclaimer.
00017  *   2. Redistributions in binary form must reproduce the above copyright notice,
00018  *      this list of conditions and the following disclaimer in the documentation
00019  *      and/or other materials provided with the distribution.
00020  *   3. Neither the name of STMicroelectronics nor the names of its contributors
00021  *      may be used to endorse or promote products derived from this software
00022  *      without specific prior written permission.
00023  *
00024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00027  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00028  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00029  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00030  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00031  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00032  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00033  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00034  *
00035  ******************************************************************************
00036  */
00037 
00038 
00039 /* Includes ------------------------------------------------------------------*/
00040 
00041 #include "LPS22HHSensor.h"
00042 
00043 
00044 /* Class Implementation ------------------------------------------------------*/
00045 
00046 /** Constructor
00047  * @param spi object of an helper class which handles the SPI peripheral
00048  * @param cs_pin the chip select pin
00049  * @param int_pin the interrupt pin
00050  * @param spi_type the SPI type
00051  */
00052 LPS22HHSensor::LPS22HHSensor(SPI *spi, PinName cs_pin, PinName int_pin, SPI_type_t spi_type) : _dev_spi(spi), _cs_pin(cs_pin), _int_irq(int_pin), _spi_type(spi_type)
00053 {
00054     assert(spi);
00055     if (cs_pin == NC) {
00056         printf("ERROR LPS22HH CS MUST NOT BE NC\n\r");
00057         _dev_spi = NULL;
00058         _dev_i2c = NULL;
00059         return;
00060     }
00061 
00062     _reg_ctx.write_reg = LPS22HH_io_write;
00063     _reg_ctx.read_reg = LPS22HH_io_read;
00064     _reg_ctx.handle = (void *)this;
00065     _cs_pin = 1;
00066     _dev_i2c = NULL;
00067     _address = 0;
00068 
00069     if (_spi_type == SPI3W) {
00070         /* Enable SPI 3-Wires on the component */
00071         uint8_t data = 0x01;
00072         lps22hh_write_reg(&_reg_ctx, LPS22HH_CTRL_REG1, &data, 1);
00073     }
00074 }
00075 
00076 /** Constructor
00077  * @param i2c object of an helper class which handles the I2C peripheral
00078  * @param address the address of the component's instance
00079  * @param int_pin the interrupt pin
00080  */
00081 LPS22HHSensor::LPS22HHSensor(DevI2C *i2c, uint8_t address, PinName int_pin) : _dev_i2c(i2c), _address(address), _cs_pin(NC), _int_irq(int_pin)
00082 {
00083     assert(i2c);
00084     _dev_spi = NULL;
00085     _reg_ctx.write_reg = LPS22HH_io_write;
00086     _reg_ctx.read_reg = LPS22HH_io_read;
00087     _reg_ctx.handle = (void *)this;
00088 }
00089 
00090 
00091 /**
00092  * @brief  Initializing the component
00093  * @param  init pointer to device specific initalization structure
00094  * @retval 0 in case of success, an error code otherwise
00095  */
00096 int LPS22HHSensor::init(void *init)
00097 {
00098     /* Disable MIPI I3C(SM) interface */
00099     if (lps22hh_i3c_interface_set(&_reg_ctx, LPS22HH_I3C_DISABLE) != 0) {
00100         return 1;
00101     }
00102 
00103     /* Power down the device, set Low Noise Enable (bit 5), clear One Shot (bit 4) */
00104     if (lps22hh_data_rate_set(&_reg_ctx, (lps22hh_odr_t)(LPS22HH_POWER_DOWN | 0x10)) != 0) {
00105         return 1;
00106     }
00107 
00108     /* Disable low-pass filter on LPS22HH pressure data */
00109     if (lps22hh_lp_bandwidth_set(&_reg_ctx, LPS22HH_LPF_ODR_DIV_2) != 0) {
00110         return 1;
00111     }
00112 
00113     /* Set block data update mode */
00114     if (lps22hh_block_data_update_set(&_reg_ctx, PROPERTY_ENABLE) != 0) {
00115         return 1;
00116     }
00117 
00118     /* Set autoincrement for multi-byte read/write */
00119     if (lps22hh_auto_increment_set(&_reg_ctx, PROPERTY_ENABLE) != 0) {
00120         return 1;
00121     }
00122 
00123     _last_odr = LPS22HH_25_Hz;
00124     _is_enabled = 0;
00125 
00126     return 0;
00127 }
00128 
00129 /**
00130  * @brief  Get WHO_AM_I value
00131  * @param  id the WHO_AM_I value
00132  * @retval 0 in case of success, an error code otherwise
00133  */
00134 int LPS22HHSensor::read_id(uint8_t *id)
00135 {
00136     if (lps22hh_device_id_get(&_reg_ctx, id) != 0) {
00137         return 1;
00138     }
00139 
00140     return 0;
00141 }
00142 
00143 /**
00144  * @brief  Enable the LPS22HH pressure sensor
00145  * @retval 0 in case of success, an error code otherwise
00146  */
00147 int LPS22HHSensor::enable()
00148 {
00149     /* Check if the component is already _is_enabled */
00150     if (_is_enabled == 1U) {
00151         return 0;
00152     }
00153 
00154     /* Output data rate selection. */
00155     if (lps22hh_data_rate_set(&_reg_ctx, _last_odr) != 0) {
00156         return 1;
00157     }
00158 
00159     _is_enabled = 1;
00160 
00161     return 0;
00162 }
00163 
00164 /**
00165  * @brief  Disable the LPS22HH pressure sensor
00166  * @retval 0 in case of success, an error code otherwise
00167  */
00168 int LPS22HHSensor::disable()
00169 {
00170     /* Check if the component is already disabled */
00171     if (_is_enabled == 0U) {
00172         return 0;
00173     }
00174 
00175     /* Get current output data rate. */
00176     if (lps22hh_data_rate_get(&_reg_ctx, &_last_odr) != 0) {
00177         return 1;
00178     }
00179     /* Output data rate selection - power down. */
00180     if (lps22hh_data_rate_set(&_reg_ctx, LPS22HH_POWER_DOWN) != 0) {
00181         return 1;
00182     }
00183 
00184 
00185     _is_enabled = 0;
00186 
00187     return 0;
00188 }
00189 
00190 
00191 /**
00192  * @brief  Get output data rate
00193  * @param  odr the output data rate value
00194  * @retval 0 in case of success, an error code otherwise
00195  */
00196 int LPS22HHSensor::get_odr(float *odr, uint8_t *low_noise_en)
00197 {
00198     int ret = 0;
00199     lps22hh_odr_t odr_low_level;
00200 
00201     if (lps22hh_data_rate_get(&_reg_ctx, &odr_low_level) != 0) {
00202         return 1;
00203     }
00204 
00205     switch (odr_low_level) {
00206         case LPS22HH_POWER_DOWN:
00207             *odr = 0.0f;
00208             *low_noise_en = 0;
00209             break;
00210 
00211         case LPS22HH_1_Hz:
00212             *odr = 1.0f;
00213             *low_noise_en = 0;
00214             break;
00215 
00216         case LPS22HH_10_Hz:
00217             *odr = 10.0f;
00218             *low_noise_en = 0;
00219             break;
00220 
00221         case LPS22HH_25_Hz:
00222             *odr = 25.0f;
00223             *low_noise_en = 0;
00224             break;
00225 
00226         case LPS22HH_50_Hz:
00227             *odr = 50.0f;
00228             *low_noise_en = 0;
00229             break;
00230 
00231         case LPS22HH_75_Hz:
00232             *odr = 75.0f;
00233             *low_noise_en = 0;
00234             break;
00235         
00236         case LPS22HH_1_Hz_LOW_NOISE:
00237             *odr = 1.0f;
00238             *low_noise_en = 1;
00239             break;
00240         
00241         case LPS22HH_10_Hz_LOW_NOISE:
00242             *odr = 10.0f;
00243             *low_noise_en = 1;
00244             break;
00245         
00246         case LPS22HH_25_Hz_LOW_NOISE:
00247             *odr = 25.0f;
00248             *low_noise_en = 1;
00249             break;
00250         
00251         case LPS22HH_50_Hz_LOW_NOISE:
00252             *odr = 50.0f;
00253             *low_noise_en = 1;
00254             break;
00255             
00256         case LPS22HH_75_Hz_LOW_NOISE:
00257             *odr = 75.0f;
00258             *low_noise_en = 1;
00259             break;
00260         
00261         case LPS22HH_100_Hz:
00262             *odr = 100.0f;
00263             *low_noise_en = 0;
00264             break;
00265 
00266         case LPS22HH_200_Hz:
00267             *odr = 200.0f;
00268             *low_noise_en = 0;
00269             break;
00270 
00271         default:
00272             ret = 1;
00273             break;
00274     }
00275 
00276     return ret;
00277 }
00278 
00279 /**
00280  * @brief  Set the LPS22HH pressure sensor output data rate
00281  * @param  odr the output data rate value to be set
00282  * @retval 0 in case of success, an error code otherwise
00283  */
00284 int LPS22HHSensor::set_odr(float odr, uint8_t low_noise_en)
00285 {
00286     /* Check if the component is _is_enabled */
00287     if (_is_enabled == 1U) {
00288         return set_odr_when_enabled(odr, low_noise_en);
00289     } else {
00290         return set_odr_when_disabled(odr, low_noise_en);
00291     }
00292 }
00293 
00294 /**
00295  * @brief  Set output data rate
00296  * @param  odr the output data rate value to be set
00297  * @retval 0 in case of success, an error code otherwise
00298  */
00299 int LPS22HHSensor::set_odr_when_enabled(float odr, uint8_t low_noise_en)
00300 {
00301     lps22hh_odr_t new_odr;
00302 
00303     new_odr = ((odr <= 1.0f) && !low_noise_en)      ? LPS22HH_1_Hz
00304               : ((odr <= 1.0f) && low_noise_en)     ? LPS22HH_1_Hz_LOW_NOISE
00305               : ((odr <= 10.0f) && !low_noise_en)   ? LPS22HH_10_Hz
00306               : ((odr <= 10.0f) && low_noise_en)    ? LPS22HH_10_Hz_LOW_NOISE
00307               : ((odr <= 25.0f) && !low_noise_en)   ? LPS22HH_25_Hz
00308               : ((odr <= 25.0f) && low_noise_en)    ? LPS22HH_25_Hz_LOW_NOISE
00309               : ((odr <= 50.0f) && !low_noise_en)   ? LPS22HH_50_Hz
00310               : ((odr <= 50.0f) && low_noise_en)    ? LPS22HH_50_Hz_LOW_NOISE
00311               : ((odr <= 75.0f) && !low_noise_en)   ? LPS22HH_75_Hz
00312               : ((odr <= 75.0f) && low_noise_en)    ? LPS22HH_75_Hz_LOW_NOISE
00313               : (odr <= 100.0f)                     ? LPS22HH_100_Hz
00314               :                                     LPS22HH_200_Hz;
00315 
00316     if (lps22hh_data_rate_set(&_reg_ctx, new_odr) != 0) {
00317         return 1;
00318     }
00319 
00320     if (lps22hh_data_rate_get(&_reg_ctx, &_last_odr) != 0) {
00321         return 1;
00322     }
00323 
00324     return 0;
00325 }
00326 
00327 /**
00328  * @brief  Set output data rate when disabled
00329  * @param  odr the output data rate value to be set
00330  * @retval 0 in case of success, an error code otherwise
00331  */
00332 int LPS22HHSensor::set_odr_when_disabled(float odr, uint8_t low_noise_en)
00333 {
00334     _last_odr = ((odr <= 1.0f) && !low_noise_en)      ? LPS22HH_1_Hz
00335               : ((odr <= 1.0f) && low_noise_en)     ? LPS22HH_1_Hz_LOW_NOISE
00336               : ((odr <= 10.0f) && !low_noise_en)   ? LPS22HH_10_Hz
00337               : ((odr <= 10.0f) && low_noise_en)    ? LPS22HH_10_Hz_LOW_NOISE
00338               : ((odr <= 25.0f) && !low_noise_en)   ? LPS22HH_25_Hz
00339               : ((odr <= 25.0f) && low_noise_en)    ? LPS22HH_25_Hz_LOW_NOISE
00340               : ((odr <= 50.0f) && !low_noise_en)   ? LPS22HH_50_Hz
00341               : ((odr <= 50.0f) && low_noise_en)    ? LPS22HH_50_Hz_LOW_NOISE
00342               : ((odr <= 75.0f) && !low_noise_en)   ? LPS22HH_75_Hz
00343               : ((odr <= 75.0f) && low_noise_en)    ? LPS22HH_75_Hz_LOW_NOISE
00344               : (odr <= 100.0f)                     ? LPS22HH_100_Hz
00345               :                                     LPS22HH_200_Hz;
00346 
00347     return 0;
00348 }
00349 
00350 
00351 /**
00352  * @brief  Get low-pass configuration
00353  * @param  lpfp_cfg the low-pass configuration value
00354  * @retval 0 in case of success, an error code otherwise
00355  */
00356 int LPS22HHSensor::get_lpfp_cfg(uint8_t *lpfp_cfg)
00357 {
00358     int ret = 0;
00359     lps22hh_lpfp_cfg_t lpfp_cfg_low_level;
00360 
00361     if (lps22hh_lp_bandwidth_get(&_reg_ctx, &lpfp_cfg_low_level) != 0) {
00362         return 1;
00363     }
00364 
00365     switch (lpfp_cfg_low_level) {
00366         case LPS22HH_LPF_ODR_DIV_2:
00367             *lpfp_cfg = 0;
00368             break;
00369 
00370         case LPS22HH_LPF_ODR_DIV_9:
00371             *lpfp_cfg = 2;
00372             break;
00373 
00374         case LPS22HH_LPF_ODR_DIV_20:
00375             *lpfp_cfg = 3;
00376             break;
00377 
00378         default:
00379             ret = 1;
00380             break;
00381     }
00382 
00383     return ret;
00384 }
00385 
00386 /**
00387  * @brief  Set the LPS22HH pressure sensor low-pass configuration
00388  * @param  lpfp_cfg the low-pass configuration value to be set
00389  * @retval 0 in case of success, an error code otherwise
00390  */
00391 int LPS22HHSensor::set_lpfp_cfg(uint8_t lpfp_cfg)
00392 {
00393     lps22hh_lpfp_cfg_t new_lpfp_cfg;
00394 
00395     new_lpfp_cfg = (lpfp_cfg == 2)  ? LPS22HH_LPF_ODR_DIV_9
00396               : (lpfp_cfg == 3)     ? LPS22HH_LPF_ODR_DIV_20
00397               :                     LPS22HH_LPF_ODR_DIV_2;
00398 
00399     if (lps22hh_lp_bandwidth_set(&_reg_ctx, new_lpfp_cfg) != 0) {
00400         return 1;
00401     }
00402 
00403     return 0;
00404 }
00405 
00406 /**
00407  * @brief  Get the LPS22HH pressure value
00408  * @param  value pointer where the pressure value is written
00409  * @retval 0 in case of success, an error code otherwise
00410  */
00411 int LPS22HHSensor::get_pressure(float *value)
00412 {
00413     axis1bit32_t data_raw_pressure;
00414 
00415     (void)memset(data_raw_pressure.u8bit, 0x00, sizeof(int32_t));
00416     if (lps22hh_pressure_raw_get(&_reg_ctx, data_raw_pressure.u8bit) != 0) {
00417         return 1;
00418     }
00419 
00420     *value = LPS22HH_FROM_LSB_TO_hPa((float)(data_raw_pressure.i32bit));
00421 
00422     return 0;
00423 }
00424 
00425 /**
00426  * @brief  Get the LPS22HH pressure data ready bit value
00427  * @param  status the status of data ready bit
00428  * @retval 0 in case of success, an error code otherwise
00429  */
00430 int LPS22HHSensor::get_press_drdy_status(uint8_t *status)
00431 {
00432     if (lps22hh_press_flag_data_ready_get(&_reg_ctx, status) != 0) {
00433         return 1;
00434     }
00435 
00436     return 0;
00437 }
00438 
00439 /**
00440  * @brief  Get the LPS22HH temperature value
00441  * @param  value pointer where the temperature value is written
00442  * @retval 0 in case of success, an error code otherwise
00443  */
00444 int LPS22HHSensor::get_temperature(float *value)
00445 {
00446     axis1bit16_t data_raw_temperature;
00447 
00448     (void)memset(data_raw_temperature.u8bit, 0x00, sizeof(int16_t));
00449     if (lps22hh_temperature_raw_get(&_reg_ctx, data_raw_temperature.u8bit) != 0) {
00450         return 1;
00451     }
00452 
00453     *value = LPS22HH_FROM_LSB_TO_degC((float)(data_raw_temperature.i16bit));
00454 
00455     return 0;
00456 }
00457 
00458 /**
00459  * @brief  Get the LPS22HH temperature data ready bit value
00460  * @param  status the status of data ready bit
00461  * @retval 0 in case of success, an error code otherwise
00462  */
00463 int LPS22HHSensor::get_temp_drdy_status(uint8_t *status)
00464 {
00465     if (lps22hh_temp_flag_data_ready_get(&_reg_ctx, status) != 0) {
00466         return 1;
00467     }
00468 
00469     return 0;
00470 }
00471 
00472 /**
00473  * @brief  Get the LPS22HH register value
00474  * @param  reg address to be written
00475  * @param  data value to be written
00476  * @retval 0 in case of success, an error code otherwise
00477  */
00478 int LPS22HHSensor::read_reg(uint8_t reg, uint8_t *data)
00479 {
00480     if (lps22hh_read_reg(&_reg_ctx, reg, data, 1) != 0) {
00481         return 1;
00482     }
00483 
00484     return 0;
00485 }
00486 
00487 /**
00488  * @brief  Set the LPS22HH register value
00489  * @param  reg address to be written
00490  * @param  data value to be written
00491  * @retval 0 in case of success, an error code otherwise
00492  */
00493 int LPS22HHSensor::write_reg(uint8_t reg, uint8_t data)
00494 {
00495     if (lps22hh_write_reg(&_reg_ctx, reg, &data, 1) != 0) {
00496         return 1;
00497     }
00498 
00499     return 0;
00500 }
00501 
00502 /**
00503  * @brief  Get the LPS22HH FIFO data
00504  * @param  press the pointer where FIFO pressure value is stored
00505  * @param  temp the pointer where FIFO temperature value is stored
00506  * @retval 0 in case of success, an error code otherwise
00507  */
00508 int LPS22HHSensor::get_fifo_data(float *press, float *temp)
00509 {
00510     axis1bit32_t data_raw_pressure;
00511     axis1bit16_t data_raw_temperature;
00512 
00513     (void)memset(data_raw_pressure.u8bit, 0x00, sizeof(int32_t));
00514     if (lps22hh_fifo_pressure_raw_get(&_reg_ctx, data_raw_pressure.u8bit) != 0) {
00515         return 1;
00516     }
00517 
00518     *press = LPS22HH_FROM_LSB_TO_hPa((float)(data_raw_pressure.i32bit));
00519 
00520     (void)memset(data_raw_temperature.u8bit, 0x00, sizeof(int16_t));
00521     if (lps22hh_fifo_temperature_raw_get(&_reg_ctx, data_raw_temperature.u8bit) != 0) {
00522         return 1;
00523     }
00524 
00525     *temp = LPS22HH_FROM_LSB_TO_degC((float)(data_raw_temperature.i16bit));
00526 
00527     return 0;
00528 }
00529 
00530 /**
00531  * @brief  Get the LPS22HH FIFO threshold
00532  * @param  status the status of FIFO threshold
00533  * @retval 0 in case of success, an error code otherwise
00534  */
00535 int LPS22HHSensor::get_fifo_fth_status(uint8_t *status)
00536 {
00537     if (lps22hh_fifo_wtm_flag_get(&_reg_ctx, status) != 0) {
00538         return 1;
00539     }
00540 
00541     return 0;
00542 }
00543 
00544 /**
00545  * @brief  Get the LPS22HH FIFO full status
00546  * @param  status the status of FIFO full status
00547  * @retval 0 in case of success, an error code otherwise
00548  */
00549 int LPS22HHSensor::get_fifo_full_status(uint8_t *status)
00550 {
00551     if (lps22hh_fifo_full_flag_get(&_reg_ctx, status) != 0) {
00552         return 1;
00553     }
00554 
00555     return 0;
00556 }
00557 
00558 /**
00559  * @brief  Get the LPS22HH FIFO OVR status
00560  * @param  status the status of FIFO OVR status
00561  * @retval 0 in case of success, an error code otherwise
00562  */
00563 int LPS22HHSensor::get_fifo_ovr_status(uint8_t *status)
00564 {
00565     if (lps22hh_fifo_ovr_flag_get(&_reg_ctx, status) != 0) {
00566         return 1;
00567     }
00568 
00569     return 0;
00570 }
00571 
00572 /**
00573  * @brief  Get the LPS22HH FIFO data level
00574  * @param  status the status of FIFO data level
00575  * @retval 0 in case of success, an error code otherwise
00576  */
00577 int LPS22HHSensor::get_fifo_level(uint8_t *status)
00578 {
00579     if (lps22hh_fifo_data_level_get(&_reg_ctx, status) != 0) {
00580         return 1;
00581     }
00582 
00583     return 0;
00584 }
00585 
00586 /**
00587  * @brief  Reset the FIFO interrupt
00588  * @param  interrupt The FIFO interrupt to be reset; values: 0 = FTH; 1 = FULL; 2 = OVR
00589  * @retval 0 in case of success, an error code otherwise
00590  */
00591 int LPS22HHSensor::reset_fifo_interrupt(uint8_t interrupt)
00592 {
00593     switch (interrupt) {
00594         case 0:
00595             if (lps22hh_fifo_threshold_on_int_set(&_reg_ctx, PROPERTY_DISABLE) != 0) {
00596                 return 1;
00597             }
00598             break;
00599         case 1:
00600             if (lps22hh_fifo_full_on_int_set(&_reg_ctx, PROPERTY_DISABLE) != 0) {
00601                 return 1;
00602             }
00603             break;
00604         case 2:
00605             if (lps22hh_fifo_ovr_on_int_set(&_reg_ctx, PROPERTY_DISABLE) != 0) {
00606                 return 1;
00607             }
00608             break;
00609         default:
00610             return 1;
00611     }
00612 
00613     return 0;
00614 }
00615 
00616 /**
00617  * @brief  Set the FIFO interrupt
00618  * @param  interrupt The FIFO interrupt to be set; values: 0 = FTH; 1 = FULL; 2 = OVR
00619  * @retval 0 in case of success, an error code otherwise
00620  */
00621 int LPS22HHSensor::set_fifo_interrupt(uint8_t interrupt)
00622 {
00623     switch (interrupt) {
00624         case 0:
00625             if (lps22hh_fifo_threshold_on_int_set(&_reg_ctx, PROPERTY_ENABLE) != 0) {
00626                 return 1;
00627             }
00628             break;
00629         case 1:
00630             if (lps22hh_fifo_full_on_int_set(&_reg_ctx, PROPERTY_ENABLE) != 0) {
00631                 return 1;
00632             }
00633             break;
00634         case 2:
00635             if (lps22hh_fifo_ovr_on_int_set(&_reg_ctx, PROPERTY_ENABLE) != 0) {
00636                 return 1;
00637             }
00638             break;
00639         default:
00640             return 1;
00641     }
00642 
00643     return 0;
00644 }
00645 
00646 /**
00647  * @brief  Set the FIFO mode
00648  * @param  Mode the FIFO mode to be set
00649  * @retval 0 in case of success, an error code otherwise
00650  */
00651 int LPS22HHSensor::set_fifo_mode(uint8_t mode)
00652 {
00653     /* Verify that the passed parameter contains one of the valid values */
00654     switch ((lps22hh_f_mode_t)mode) {
00655         case LPS22HH_BYPASS_MODE:
00656         case LPS22HH_FIFO_MODE:
00657         case LPS22HH_STREAM_MODE:
00658         case LPS22HH_STREAM_TO_FIFO_MODE:
00659         case LPS22HH_BYPASS_TO_STREAM_MODE:
00660         case LPS22HH_BYPASS_TO_FIFO_MODE:
00661             break;
00662         default:
00663             return 1;
00664     }
00665 
00666     if (lps22hh_fifo_mode_set(&_reg_ctx, (lps22hh_f_mode_t)mode) != 0) {
00667         return 1;
00668     }
00669 
00670     return 0;
00671 }
00672 
00673 /**
00674  * @brief  Set the LPS22HH FIFO watermark level
00675  * @param  watermark the FIFO watermark level to be set
00676  * @retval 0 in case of success, an error code otherwise
00677  */
00678 int LPS22HHSensor::set_fifo_watermark_level(uint8_t watermark)
00679 {
00680     if (lps22hh_fifo_watermark_set(&_reg_ctx, watermark) != 0) {
00681         return 1;
00682     }
00683 
00684     return 0;
00685 }
00686 
00687 /**
00688  * @brief  Set the LPS22HH stop on watermark function
00689  * @param  stop the state of stop on watermark function
00690  * @retval 0 in case of success, an error code otherwise
00691  */
00692 int LPS22HHSensor::stop_fifo_on_watermark(uint8_t stop)
00693 {
00694     if (lps22hh_fifo_stop_on_wtm_set(&_reg_ctx, stop) != 0) {
00695         return 1;
00696     }
00697 
00698     return 0;
00699 }
00700 
00701 /**
00702  * @brief  Set the LPS22HH One Shot Mode
00703  * @retval 0 in case of success, an error code otherwise
00704  */
00705 int LPS22HHSensor::set_one_shot()
00706 {
00707     /* Start One Shot Measurement */
00708     if (lps22hh_data_rate_set(&_reg_ctx, LPS22HH_ONE_SHOOT) != 0) {
00709         return 1;
00710     }
00711 
00712     return 0;
00713 }
00714 
00715 /**
00716  * @brief  Get the LPS22HH One Shot Status
00717  * @param  status pointer to the one shot status (1 means measurements available, 0 means measurements not available yet)
00718  * @retval 0 in case of success, an error code otherwise
00719  */
00720 int LPS22HHSensor::get_one_shot_status(uint8_t *status)
00721 {
00722     uint8_t p_da;
00723     uint8_t t_da;
00724 
00725     /* Get DataReady for pressure */
00726     if (lps22hh_press_flag_data_ready_get(&_reg_ctx, &p_da) != 0) {
00727         return 1;
00728     }
00729 
00730     /* Get DataReady for temperature */
00731     if (lps22hh_temp_flag_data_ready_get(&_reg_ctx, &t_da) != 0) {
00732         return 1;
00733     }
00734 
00735     if (p_da && t_da) {
00736         *status = 1;
00737     } else {
00738         *status = 0;
00739     }
00740 
00741     return 0;
00742 }
00743 
00744 int32_t LPS22HH_io_write(void *handle, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite)
00745 {
00746     return ((LPS22HHSensor *)handle)->io_write(pBuffer, WriteAddr, nBytesToWrite);
00747 }
00748 
00749 int32_t LPS22HH_io_read(void *handle, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead)
00750 {
00751     return ((LPS22HHSensor *)handle)->io_read(pBuffer, ReadAddr, nBytesToRead);
00752 }