diff options
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221')
3 files changed, 799 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221.c new file mode 100644 index 0000000..ce77d60 --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221.c @@ -0,0 +1,255 @@ +/** + * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#include "hts221.h" +#include <string.h> + +#define HTS221_WRITE(p_instance, msg) \ + nrf_twi_sensor_write(p_instance->p_sensor_data, \ + p_instance->sensor_addr, \ + msg, \ + ARRAY_SIZE(msg), \ + true) + +static void hts221_init_cb(ret_code_t result, void * p_register_data) +{ + hts221_calib_t * calib_info = (hts221_calib_t *) p_register_data; + uint8_t calib_raw[HTS221_REG_CALIBRATION_NUM]; + memcpy(calib_raw, calib_info, HTS221_REG_CALIBRATION_NUM); + + calib_info->H0_rH_x2 = calib_raw[0]; + calib_info->H1_rH_x2 = calib_raw[1]; + calib_info->T0_degC_x8 = (uint16_t)calib_raw[2] + + ((uint16_t)(calib_raw[5] & 0x03) << 8); + calib_info->T1_degC_x8 = (uint16_t)calib_raw[3] + + ((uint16_t)((calib_raw[5] >> 2) & 0x03) << 8); + calib_info->H0_T0_OUT = (int16_t)calib_raw[6] + ((int16_t)calib_raw[7] << 8); + calib_info->H1_T0_OUT = (int16_t)calib_raw[10] + ((int16_t)calib_raw[11] << 8); + calib_info->T0_OUT = (int16_t)calib_raw[12] + ((int16_t)calib_raw[13] << 8); + calib_info->T1_OUT = (int16_t)calib_raw[14] + ((int16_t)calib_raw[15] << 8); + +} + +ret_code_t hts221_init(hts221_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + if (p_instance->p_sensor_data->p_twi_mngr->p_queue->size < HTS221_MIN_QUEUE_SIZE) + { + return NRF_ERROR_INVALID_LENGTH; + } + p_instance->ctrl_reg1 = 0; + uint8_t send_msg[] = { + HTS221_REG_AV_CONF, + HTS221_DEF_AV_CONF, + 0, + 0, + 0 + }; + + ret_code_t err = HTS221_WRITE(p_instance, send_msg); + if (err != NRF_SUCCESS) + { + return err; + } + + return nrf_twi_sensor_reg_read(p_instance->p_sensor_data, + p_instance->sensor_addr, + HTS221_REG_CALIBRATION | HTS221_INCR_REG_MASK, + hts221_init_cb, + (uint8_t *) &p_instance->calib_info, + HTS221_REG_CALIBRATION_NUM); +} + +ret_code_t hts221_avg_cfg(hts221_instance_t * p_instance, + hts221_temp_avg_samples_t temp_avg, + hts221_hum_avg_samples_t hum_avg) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = 0; + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_AVGT_MASK, HTS221_AVGT_POS, temp_avg); + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_AVGH_MASK, HTS221_AVGH_POS, hum_avg); + + uint8_t send_msg[] = { + HTS221_REG_AV_CONF, + reg_val + }; + + return HTS221_WRITE(p_instance, send_msg); +} + +ret_code_t hts221_data_rate_cfg(hts221_instance_t * p_instance, hts221_odr_t odr) +{ + ASSERT(p_instance != NULL); + NRF_TWI_SENSOR_REG_SET(p_instance->ctrl_reg1, HTS221_ODR_MASK, HTS221_ODR_POS, odr); + + uint8_t send_msg[] = { + HTS221_REG_CTRL_REG1, + p_instance->ctrl_reg1 + }; + + return HTS221_WRITE(p_instance, send_msg); +} + +ret_code_t hts221_pd_enable(hts221_instance_t * p_instance, bool enable) +{ + ASSERT(p_instance != NULL); + NRF_TWI_SENSOR_REG_SET(p_instance->ctrl_reg1, HTS221_PD_MASK, HTS221_PD_POS, enable); + uint8_t send_msg[] = { + HTS221_REG_CTRL_REG1, + p_instance->ctrl_reg1 + }; + + return HTS221_WRITE(p_instance, send_msg); +} + + + +ret_code_t hts221_boot(hts221_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = p_instance->ctrl_reg2; + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_BOOT_MASK, HTS221_BOOT_POS, 1); + uint8_t send_msg[] = { + HTS221_REG_CTRL_REG2, + reg_val + }; + + return HTS221_WRITE(p_instance, send_msg); +} + +ret_code_t hts221_heater_enable(hts221_instance_t * p_instance, bool enable) +{ + ASSERT(p_instance != NULL); + NRF_TWI_SENSOR_REG_SET(p_instance->ctrl_reg2, HTS221_HEATER_MASK, HTS221_HEATER_POS, enable); + + uint8_t send_msg[] = { + HTS221_REG_CTRL_REG2, + p_instance->ctrl_reg2 + }; + + return HTS221_WRITE(p_instance, send_msg); +} + +ret_code_t hts221_oneshot(hts221_instance_t * p_instance) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = p_instance->ctrl_reg2; + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_ONE_SHOT_MASK, HTS221_ONE_SHOT_POS, true); + uint8_t send_msg[] = { + HTS221_REG_CTRL_REG2, + reg_val + }; + + return HTS221_WRITE(p_instance, send_msg); +} + +ret_code_t hts221_drdy_pin_cfg(hts221_instance_t * p_instance, + bool active_low, + bool operation, + bool drdy_enable) +{ + ASSERT(p_instance != NULL); + uint8_t reg_val = 0; + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_DRDY_H_L_MASK, HTS221_DRDY_H_L_POS, active_low); + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_PP_OD_MASK, HTS221_PP_OD_POS, operation); + NRF_TWI_SENSOR_REG_SET(reg_val, HTS221_DRDY_EN_MASK, HTS221_DRDY_EN_POS, drdy_enable); + + uint8_t send_msg[] = { + HTS221_REG_CTRL_REG3, + reg_val + }; + + return HTS221_WRITE(p_instance, send_msg); +} + +ret_code_t hts221_temp_read(hts221_instance_t * p_instance, + hts221_data_callback_t user_callback, + int16_t * p_temp) +{ + ASSERT(p_instance != NULL); + return nrf_twi_sensor_reg_read(p_instance->p_sensor_data, + p_instance->sensor_addr, + HTS221_REG_TEMP_OUT_L | HTS221_INCR_REG_MASK, + (nrf_twi_sensor_reg_cb_t) user_callback, + (uint8_t *) p_temp, + 2); +} + +int16_t hts221_temp_process(hts221_instance_t * p_instance, int16_t raw_temp) +{ + ASSERT(p_instance != NULL); + int32_t y; + int32_t x0 = p_instance->calib_info.T0_OUT; + int32_t x1 = p_instance->calib_info.T1_OUT; + int32_t y0 = p_instance->calib_info.T0_degC_x8; + int32_t y1 = p_instance->calib_info.T1_degC_x8; + + y = ((y0 * (x1 - raw_temp)) + (y1 * (raw_temp - x0))) / (x1 - x0); + + return y; +} + +ret_code_t hts221_hum_read(hts221_instance_t * p_instance, + hts221_data_callback_t user_callback, + int16_t * p_hum) +{ + ASSERT(p_instance != NULL); + return nrf_twi_sensor_reg_read(p_instance->p_sensor_data, + p_instance->sensor_addr, + HTS221_REG_HUM_OUT_L | HTS221_INCR_REG_MASK, + (nrf_twi_sensor_reg_cb_t) user_callback, + (uint8_t *) p_hum, + 2); +} + +int16_t hts221_hum_process(hts221_instance_t * p_instance, int16_t raw_hum) +{ + ASSERT(p_instance != NULL); + int32_t y; + int32_t x0 = p_instance->calib_info.H0_T0_OUT; + int32_t x1 = p_instance->calib_info.H1_T0_OUT; + int32_t y0 = p_instance->calib_info.H0_rH_x2; + int32_t y1 = p_instance->calib_info.H1_rH_x2; + + y = ((y0 * (x1 - raw_hum)) + (y1 * (raw_hum - x0))) / (x1 - x0); + + return y; +} + + diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221.h new file mode 100644 index 0000000..c44d86f --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221.h @@ -0,0 +1,309 @@ +/** + * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#ifndef HTS221_H +#define HTS221_H + +#include "nrf_twi_sensor.h" +#include "hts221_internal.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief Possible sensor addresses. + */ +#define HTS221_BASE_ADDRESS 0x5FU + +// Who am I default value. +#define HTS221_WHO_AM_I 0xBC + +// Minimal TWI Manager queue size needed for sensor. +#define HTS221_MIN_QUEUE_SIZE 4 + +/** + * @brief Sensor driver usage. + * + * Sensor instance has to be defined first in global context using @ref HTS221_INSTANCE_DEF. + * After that it has to be initialized using @ref hts221_init. + * At this point sensor instance is ready and all other functions can be used. + * + * Configuration functions schedule TWI operation using @ref nrf_twi_sensor module. + * After calling function, setting will be automatically send to sensor when TWI bus is free. + * + * There are designated functions to read status sensor registers e.g. @ref hts221_status_read + * As parameters they receive function to be called after register is read, and pointer where + * register value should be stored. From that value specific parameters can be extracted + * using @ref NRF_TWI_SENSOR_REG_VAL_GET macro. + * Example: + * uint8_t h_da = NRF_TWI_SENSOR_REG_VAL_GET(status, HTS221_H_DA_MASK, HTS221_H_DA_POS); + * + * Other functions are self-explanatory or have description on their usage. + */ + +/** + * @brief Temperature average setting. + */ + +typedef enum +{ + HTS221_TEMP_SAMPLES_2, + HTS221_TEMP_SAMPLES_4, + HTS221_TEMP_SAMPLES_8, + HTS221_TEMP_SAMPLES_16, + HTS221_TEMP_SAMPLES_32, + HTS221_TEMP_SAMPLES_64, + HTS221_TEMP_SAMPLES_128, + HTS221_TEMP_SAMPLES_256 +} hts221_temp_avg_samples_t; + +/** + * @brief Humidity average setting. + */ +typedef enum +{ + HTS221_HUMIDITY_SAMPLES_4, + HTS221_HUMIDITY_SAMPLES_8, + HTS221_HUMIDITY_SAMPLES_16, + HTS221_HUMIDITY_SAMPLES_32, + HTS221_HUMIDITY_SAMPLES_64, + HTS221_HUMIDITY_SAMPLES_128, + HTS221_HUMIDITY_SAMPLES_256, + HTS221_HUMIDITY_SAMPLES_512 +} hts221_hum_avg_samples_t; + +/** + * @brief Output data rate settings. + */ +typedef enum +{ + HTS221_ODR_ONESHOT, + HTS221_ODR_1HZ, + HTS221_ODR_7HZ, + HTS221_ODR_12_5HZ, +} hts221_odr_t; + +/** + * @brief Data callback prototype. + * + * @param[in] result Return error code from TWI manager and underlying drivers. + * @param[in] p_data Pointer to sensor data. + */ +typedef void (* hts221_data_callback_t)(ret_code_t result, int16_t * p_data); + +/** + * @brief Macro creating hts221 sensor instance. + * + * @param[in] _hts221_inst_name Sensor instance name. + * @param[in] _p_twi_sensor Pointer to common TWI sensor instance. @ref NRF_TWI_SENSOR_DEF + * @param[in] _sensor_address Sensor base address. + */ +#define HTS221_INSTANCE_DEF(_hts221_inst_name, _p_twi_sensor, _sensor_address) \ + HTS221_INTERNAL_INSTANCE_DEF(_hts221_inst_name, _p_twi_sensor, _sensor_address) + +/** + * @brief Function initializing hts221 sensor + * + * Writes configuration from sensor instance into sensor. + * + * @param[in] p_instance Pointer to sensor instance created by macro + * + * @note TWI manager queue size has to be at least + * HTS221_MIN_QUEUE_SIZE element long. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_write + */ +ret_code_t hts221_init(hts221_instance_t * p_instance); + +/** + * @brief Function for setting average configuration. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] temp_avg Number of temperature average samples. + * @param[in] hum_avg Number of humidity average samples. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_write + */ +ret_code_t hts221_avg_cfg(hts221_instance_t * p_instance, + hts221_temp_avg_samples_t temp_avg, + hts221_hum_avg_samples_t hum_avg); + +/** + * @brief Function for setting power down mode + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] enable True if device is powered, false if power down. + * + * @note Changes made by this function don't take effect before @ref hts221_cfg_commit + */ +ret_code_t hts221_pd_enable(hts221_instance_t * p_instance, bool enable); + +/** + * @brief Function for rebooting sensor. + * + * @param[in] p_instance Pointer to sensor instance. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_write + */ +ret_code_t hts221_boot(hts221_instance_t * p_instance); + +/** + * @brief Function for setting heater. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] enable True if heater is on. + * + * @note Changes made by this function don't take effect before @ref hts221_cfg_commit + */ +ret_code_t hts221_heater_enable(hts221_instance_t * p_instance, bool enable); + +/** + * @brief Function for setting one shot mode + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] enable True if one shot mode is on. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_write + */ +ret_code_t hts221_oneshot(hts221_instance_t * p_instance); + +/** + * @brief Function for setting sensor_data ready output signal. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] active_low True if active low, false if active high. + * @param[in] open_drain True if open drain, false if push-pull. + * @param[in] drdy_enable True if pin is enabled. + * + * @note Changes made by this function don't take effect before @ref hts221_cfg_commit + */ +ret_code_t hts221_drdy_pin_cfg(hts221_instance_t * p_instance, + bool active_low, + bool operation, + bool drdy_enable); + +/** + * @brief Function for setting output data rate. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] odr Desired output data rate. + * + * @note Changes made by this function don't take effect before @ref hts221_cfg_commit + */ +ret_code_t hts221_data_rate_cfg(hts221_instance_t * p_instance, hts221_odr_t odr); + +/** + * @brief Function for reading sensors temperature. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] user_callback Function to be called when sensor data is gathered. + * @param[out] p_temp Pointer for raw temperature value, single int16_t. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_reg_read + */ +ret_code_t hts221_temp_read(hts221_instance_t * p_instance, + hts221_data_callback_t user_callback, + int16_t * p_temp); + +/** + * @brief Function for calculating temperature based on sensors calibration data. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] raw_temp Raw temperature in. + * + * @return Temperature * 8 + */ +int16_t hts221_temp_process(hts221_instance_t * p_instance, int16_t raw_temp); + +/** + * @brief Function for reading sensors humidity. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] user_callback Function to be called when data is gathered. + * @param[out] p_hum Pointer for raw humidity value, single int16_t. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_reg_read + */ +ret_code_t hts221_hum_read(hts221_instance_t * p_instance, + hts221_data_callback_t user_callback, + int16_t * p_hum); + +/** + * @brief Function for calculating humidity based on sensors calibration data. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] raw_hum Raw humidity in. + * + * @return Humidity * 2 + */ +int16_t hts221_hum_process(hts221_instance_t * p_instance, int16_t raw_hum); + +/** + * @brief Function for reading WHO_AM_I register. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] user_cb Function to be called after register is read. + * @param[out] reg_val Register value, single uint8_t. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_reg_read + */ +__STATIC_INLINE ret_code_t hts221_who_am_i_read(hts221_instance_t * p_instance, + nrf_twi_sensor_reg_cb_t user_cb, + uint8_t * reg_val); + +/** + * @brief Function for reading status register. + * + * @param[in] p_instance Pointer to sensor instance. + * @param[in] user_cb Function to be called after register is read. + * @param[out] reg_val Register value, single uint8_t. + * + * @return Return error code from nrf_twi_sensor @ref nrf_twi_sensor_reg_read + */ +__STATIC_INLINE ret_code_t hts221_status_read(hts221_instance_t * p_instance, + nrf_twi_sensor_reg_cb_t user_cb, + uint8_t * reg_val); + + +#ifdef __cplusplus +} +#endif + +#endif // HTS221_H diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221_internal.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221_internal.h new file mode 100644 index 0000000..c4e538f --- /dev/null +++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/drivers_ext/hts221/hts221_internal.h @@ -0,0 +1,235 @@ +/** + * Copyright (c) 2017 - 2018, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +#ifndef HTS221_INTERNAL_H +#define HTS221_INTERNAL_H + + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief HTS221 sensor registers. + */ +#define HTS221_REG_WHO_AM_I 0x0F +#define HTS221_REG_AV_CONF 0x10 +#define HTS221_REG_CTRL_REG1 0x20 +#define HTS221_REG_CTRL_REG2 0x21 +#define HTS221_REG_CTRL_REG3 0x22 +#define HTS221_REG_STATUS_REG 0x27 +#define HTS221_REG_HUM_OUT_L 0x28 +#define HTS221_REG_HUM_OUT_H 0x29 +#define HTS221_REG_TEMP_OUT_L 0x2A +#define HTS221_REG_TEMP_OUT_H 0x2B + +// Calibration registers +#define HTS221_REG_CALIBRATION 0x30 + +#define HTS221_REG_CALIBRATION_NUM 16 +#define HTS221_REG_CTRL_NUM 3 + +// For auto incrementing address, msb in register address must be set to 1. +#define HTS221_INCR_REG_MASK 0x80 + +/** + * @brief AV_CONF register bitmasks. + */ +#define HTS221_DEF_AV_CONF 0x1B + +// Register validity bitmask. +#define HTS221_AV_CONF_VALID_MASK 0xC0 + +// Bitmasks for AVGT. +#define HTS221_AVGT_POS 3 +#define HTS221_AVGT_MASK (7 << HTS221_AVGT_POS) + +// Bitmasks for AVGH. +#define HTS221_AVGH_POS 0 +#define HTS221_AVGH_MASK (7 << HTS221_AVGH_POS) + + +/** + * @brief Control register 1 bitmasks. + */ + +// Register validity bitmask. +#define HTS221_CTRL1_VALID_MASK 0x78 + +// Bitmasks for PD. +#define HTS221_PD_POS 7 +#define HTS221_PD_MASK (1 << HTS221_PD_POS) + +// Bitmasks for BDU. +#define HTS221_BDU_POS 2 +#define HTS221_BDU_MASK (1 << HTS221_BDU_POS) + +// Bitmasks for ODR. +#define HTS221_ODR_POS 0 +#define HTS221_ODR_MASK (3 << HTS221_ODR_POS) + + +/** + * @brief Control register 2 bitmasks. + */ + +// Register validity bitmask. +#define HTS221_CTRL2_VALID_MASK 0x7C + +// Bitmasks for BOOT. +#define HTS221_BOOT_POS 7 +#define HTS221_BOOT_MASK (1 << HTS221_BOOT_POS) + +// Bitmasks for Heater. +#define HTS221_HEATER_POS 1 +#define HTS221_HEATER_MASK (1 << HTS221_HEATER_POS) + +// Bitmasks for ONE_SHOT. +#define HTS221_ONE_SHOT_POS 0 +#define HTS221_ONE_SHOT_MASK (1 << HTS221_ONE_SHOT_POS) + + +/** + * @brief Control register 3 bitmasks. + */ + +// Register validity bitmask. +#define HTS221_CTRL3_VALID_MASK 0x3B + +// Bitmasks for DRDY_H_L. +#define HTS221_DRDY_H_L_POS 7 +#define HTS221_DRDY_H_L_MASK (1 << HTS221_DRDY_H_L_POS) + +// Bitmasks for PP_OD +#define HTS221_PP_OD_POS 6 +#define HTS221_PP_OD_MASK (1 << HTS221_PP_OD_POS) + +// Bitmasks for DRDY_EN. +#define HTS221_DRDY_EN_POS 2 +#define HTS221_DRDY_EN_MASK (1 << HTS221_DRDY_EN_POS) + + +/** + * @brief Status register bitmasks. + */ + +// Bitmasks for H_DA. +#define HTS221_H_DA_POS 1 +#define HTS221_H_DA_MASK (1 << HTS221_H_DA_POS) + +// Bitmasks for T_DA +#define HTS221_T_DA_POS 0 +#define HTS221_T_DA_MASK (1 << HTS221_T_DA_POS) + + +/** + * @brief Structure holding calibration information. + */ +typedef struct +{ + uint8_t H0_rH_x2; + uint8_t H1_rH_x2; + uint16_t T0_degC_x8; + uint16_t T1_degC_x8; + int16_t H0_T0_OUT; + int16_t H1_T0_OUT; + int16_t T0_OUT; + int16_t T1_OUT; + uint16_t padding; //<- Additional memory needed to store all calibration registers. +} hts221_calib_t; + +/** + * @brief Structure holding sensor instance + */ +typedef struct +{ + nrf_twi_sensor_t * const p_sensor_data; + uint8_t const sensor_addr; + + hts221_calib_t calib_info; + uint8_t ctrl_reg1; + uint8_t ctrl_reg2; + +} hts221_instance_t; + +/** + * @brief Macro creating hts221 sensor instance. + */ +#define HTS221_INTERNAL_INSTANCE_DEF(_hts221_inst_name, _p_twi_sensor, _sensor_address) \ + static hts221_instance_t _hts221_inst_name = \ + { \ + .p_sensor_data = _p_twi_sensor, \ + .sensor_addr = _sensor_address, \ + } + +#ifndef SUPPRESS_INLINE_IMPLEMENTATION + +__STATIC_INLINE ret_code_t hts221_who_am_i_read(hts221_instance_t * p_instance, + nrf_twi_sensor_reg_cb_t user_cb, + uint8_t * reg_val) +{ + ASSERT(p_instance != NULL); + return nrf_twi_sensor_reg_read(p_instance->p_sensor_data, + p_instance->sensor_addr, + HTS221_REG_WHO_AM_I, + user_cb, + reg_val, + 1); +} + +__STATIC_INLINE ret_code_t hts221_status_read(hts221_instance_t * p_instance, + nrf_twi_sensor_reg_cb_t user_cb, + uint8_t * reg_val) +{ + ASSERT(p_instance != NULL); + return nrf_twi_sensor_reg_read(p_instance->p_sensor_data, + p_instance->sensor_addr, + HTS221_REG_STATUS_REG, + user_cb, + reg_val, + 1); +} + +#endif //SUPPRESS_INLINE_IMPLEMENTATION + +#ifdef __cplusplus +} +#endif + +#endif // HTS221_INTERNAL_H |