/* ****************************************************************************** * @file lis2dh12_reg.c * @author Sensors Software Solution Team * @brief LIS2DH12 driver file ****************************************************************************** * @attention * *

© COPYRIGHT(c) 2018 STMicroelectronics

* * 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 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 STMicroelectronics nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER 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 "lis2dh12_reg.h" /** * @defgroup LIS2DH12 * @brief This file provides a set of functions needed to drive the * lis2dh12 enanced inertial module. * @{ * */ /** * @defgroup LIS2DH12_Interfaces_Functions * @brief This section provide a set of functions used to read and * write a generic register of the device. * MANDATORY: return 0 -> no Error. * @{ * */ /** * @brief Read generic device register * * @param ctx read / write interface definitions(ptr) * @param reg register to read * @param data pointer to buffer that store the data read(ptr) * @param len number of consecutive register to read * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_read_reg(lis2dh12_ctx_t* ctx, uint8_t reg, uint8_t* data, uint16_t len) { int32_t ret; ret = ctx->read_reg(ctx->handle, reg, data, len); return ret; } /** * @brief Write generic device register * * @param ctx read / write interface definitions(ptr) * @param reg register to write * @param data pointer to data to write in register reg(ptr) * @param len number of consecutive register to write * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_write_reg(lis2dh12_ctx_t* ctx, uint8_t reg, uint8_t* data, uint16_t len) { int32_t ret; ret = ctx->write_reg(ctx->handle, reg, data, len); return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Sensitivity * @brief These functions convert raw-data into engineering units. * @{ * */ float lis2dh12_from_fs2_hr_to_mg(int16_t lsb) { return ( (float)lsb / 16.0f ) * 1.0f; } float lis2dh12_from_fs4_hr_to_mg(int16_t lsb) { return ( (float)lsb / 16.0f ) * 2.0f; } float lis2dh12_from_fs8_hr_to_mg(int16_t lsb) { return ( (float)lsb / 16.0f ) * 4.0f; } float lis2dh12_from_fs16_hr_to_mg(int16_t lsb) { return ( (float)lsb / 16.0f ) * 12.0f; } float lis2dh12_from_lsb_hr_to_celsius(int16_t lsb) { return ( ( (float)lsb / 64.0f ) / 4.0f ) + 25.0f; } float lis2dh12_from_fs2_nm_to_mg(int16_t lsb) { return ( (float)lsb / 64.0f ) * 4.0f; } float lis2dh12_from_fs4_nm_to_mg(int16_t lsb) { return ( (float)lsb / 64.0f ) * 8.0f; } float lis2dh12_from_fs8_nm_to_mg(int16_t lsb) { return ( (float)lsb / 64.0f ) * 16.0f; } float lis2dh12_from_fs16_nm_to_mg(int16_t lsb) { return ( (float)lsb / 64.0f ) * 48.0f; } float lis2dh12_from_lsb_nm_to_celsius(int16_t lsb) { return ( ( (float)lsb / 64.0f ) / 4.0f ) + 25.0f; } float lis2dh12_from_fs2_lp_to_mg(int16_t lsb) { return ( (float)lsb / 256.0f ) * 16.0f; } float lis2dh12_from_fs4_lp_to_mg(int16_t lsb) { return ( (float)lsb / 256.0f ) * 32.0f; } float lis2dh12_from_fs8_lp_to_mg(int16_t lsb) { return ( (float)lsb / 256.0f ) * 64.0f; } float lis2dh12_from_fs16_lp_to_mg(int16_t lsb) { return ( (float)lsb / 256.0f ) * 192.0f; } float lis2dh12_from_lsb_lp_to_celsius(int16_t lsb) { return ( ( (float)lsb / 256.0f ) * 1.0f ) + 25.0f; } /** * @} * */ /** * @defgroup LIS2DH12_Data_generation * @brief This section group all the functions concerning data generation. * @{ * */ /** * @brief Temperature status register.[get] * * @param ctx read / write interface definitions * @param buff buffer that stores data read * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_temp_status_reg_get(lis2dh12_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_STATUS_REG_AUX, buff, 1); return ret; } /** * @brief Temperature data available.[get] * * @param ctx read / write interface definitions * @param val change the values of tda in reg STATUS_REG_AUX * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_temp_data_ready_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_status_reg_aux_t status_reg_aux; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_STATUS_REG_AUX, (uint8_t*)&status_reg_aux, 1); *val = status_reg_aux.tda; return ret; } /** * @brief Temperature data overrun.[get] * * @param ctx read / write interface definitions * @param val change the values of tor in reg STATUS_REG_AUX * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_temp_data_ovr_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_status_reg_aux_t status_reg_aux; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_STATUS_REG_AUX, (uint8_t*)&status_reg_aux, 1); *val = status_reg_aux.tor; return ret; } /** * @brief Temperature output value.[get] * * @param ctx read / write interface definitions * @param buff buffer that stores data read * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_temperature_raw_get(lis2dh12_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_OUT_TEMP_L, buff, 2); return ret; } /** * @brief Temperature sensor enable.[set] * * @param ctx read / write interface definitions * @param val change the values of temp_en in reg TEMP_CFG_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_temperature_meas_set(lis2dh12_ctx_t *ctx, lis2dh12_temp_en_t val) { lis2dh12_temp_cfg_reg_t temp_cfg_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TEMP_CFG_REG, (uint8_t*)&temp_cfg_reg, 1); if (ret == 0) { temp_cfg_reg.temp_en = (uint8_t) val; ret = lis2dh12_write_reg(ctx, LIS2DH12_TEMP_CFG_REG, (uint8_t*)&temp_cfg_reg, 1); } return ret; } /** * @brief Temperature sensor enable.[get] * * @param ctx read / write interface definitions * @param val get the values of temp_en in reg TEMP_CFG_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_temperature_meas_get(lis2dh12_ctx_t *ctx, lis2dh12_temp_en_t *val) { lis2dh12_temp_cfg_reg_t temp_cfg_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TEMP_CFG_REG, (uint8_t*)&temp_cfg_reg, 1); switch (temp_cfg_reg.temp_en) { case LIS2DH12_TEMP_DISABLE: *val = LIS2DH12_TEMP_DISABLE; break; case LIS2DH12_TEMP_ENABLE: *val = LIS2DH12_TEMP_ENABLE; break; default: *val = LIS2DH12_TEMP_DISABLE; break; } return ret; } /** * @brief Operating mode selection.[set] * * @param ctx read / write interface definitions * @param val change the values of lpen in reg CTRL_REG1 * and HR in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_operating_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_op_md_t val) { lis2dh12_ctrl_reg1_t ctrl_reg1; lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); if (ret == 0) { ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } if (ret == 0) { if ( val == LIS2DH12_HR_12bit ) { ctrl_reg1.lpen = 0; ctrl_reg4.hr = 1; } if (val == LIS2DH12_NM_10bit) { ctrl_reg1.lpen = 0; ctrl_reg4.hr = 0; } if (val == LIS2DH12_LP_8bit) { ctrl_reg1.lpen = 1; ctrl_reg4.hr = 0; } ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); } if (ret == 0) { ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } return ret; } /** * @brief Operating mode selection.[get] * * @param ctx read / write interface definitions * @param val change the values of lpen in reg CTRL_REG1 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_operating_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_op_md_t *val) { lis2dh12_ctrl_reg1_t ctrl_reg1; lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); if (ret == 0) { ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); if ( ctrl_reg1.lpen == PROPERTY_ENABLE ) { *val = LIS2DH12_LP_8bit; } if (ctrl_reg4.hr == PROPERTY_ENABLE ) { *val = LIS2DH12_HR_12bit; } else { *val = LIS2DH12_NM_10bit; } } return ret; } /** * @brief Output data rate selection.[set] * * @param ctx read / write interface definitions * @param val change the values of odr in reg CTRL_REG1 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_data_rate_set(lis2dh12_ctx_t *ctx, lis2dh12_odr_t val) { lis2dh12_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); if (ret == 0) { ctrl_reg1.odr = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); } return ret; } /** * @brief Output data rate selection.[get] * * @param ctx read / write interface definitions * @param val get the values of odr in reg CTRL_REG1 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_data_rate_get(lis2dh12_ctx_t *ctx, lis2dh12_odr_t *val) { lis2dh12_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG1, (uint8_t*)&ctrl_reg1, 1); switch (ctrl_reg1.odr) { case LIS2DH12_POWER_DOWN: *val = LIS2DH12_POWER_DOWN; break; case LIS2DH12_ODR_1Hz: *val = LIS2DH12_ODR_1Hz; break; case LIS2DH12_ODR_10Hz: *val = LIS2DH12_ODR_10Hz; break; case LIS2DH12_ODR_25Hz: *val = LIS2DH12_ODR_25Hz; break; case LIS2DH12_ODR_50Hz: *val = LIS2DH12_ODR_50Hz; break; case LIS2DH12_ODR_100Hz: *val = LIS2DH12_ODR_100Hz; break; case LIS2DH12_ODR_200Hz: *val = LIS2DH12_ODR_200Hz; break; case LIS2DH12_ODR_400Hz: *val = LIS2DH12_ODR_400Hz; break; case LIS2DH12_ODR_1kHz620_LP: *val = LIS2DH12_ODR_1kHz620_LP; break; case LIS2DH12_ODR_5kHz376_LP_1kHz344_NM_HP: *val = LIS2DH12_ODR_5kHz376_LP_1kHz344_NM_HP; break; default: *val = LIS2DH12_POWER_DOWN; break; } return ret; } /** * @brief High pass data from internal filter sent to output register * and FIFO. * * @param ctx read / write interface definitions * @param val change the values of fds in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_on_outputs_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.fds = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); } return ret; } /** * @brief High pass data from internal filter sent to output register * and FIFO.[get] * * @param ctx read / write interface definitions * @param val change the values of fds in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_on_outputs_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); *val = (uint8_t)ctrl_reg2.fds; return ret; } /** * @brief High-pass filter cutoff frequency selection.[set] * * HPCF[2:1]\ft @1Hz @10Hz @25Hz @50Hz @100Hz @200Hz @400Hz @1kHz6 ft@5kHz * AGGRESSIVE 0.02Hz 0.2Hz 0.5Hz 1Hz 2Hz 4Hz 8Hz 32Hz 100Hz * STRONG 0.008Hz 0.08Hz 0.2Hz 0.5Hz 1Hz 2Hz 4Hz 16Hz 50Hz * MEDIUM 0.004Hz 0.04Hz 0.1Hz 0.2Hz 0.5Hz 1Hz 2Hz 8Hz 25Hz * LIGHT 0.002Hz 0.02Hz 0.05Hz 0.1Hz 0.2Hz 0.5Hz 1Hz 4Hz 12Hz * * @param ctx read / write interface definitions * @param val change the values of hpcf in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_bandwidth_set(lis2dh12_ctx_t *ctx, lis2dh12_hpcf_t val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.hpcf = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); } return ret; } /** * @brief High-pass filter cutoff frequency selection.[get] * * HPCF[2:1]\ft @1Hz @10Hz @25Hz @50Hz @100Hz @200Hz @400Hz @1kHz6 ft@5kHz * AGGRESSIVE 0.02Hz 0.2Hz 0.5Hz 1Hz 2Hz 4Hz 8Hz 32Hz 100Hz * STRONG 0.008Hz 0.08Hz 0.2Hz 0.5Hz 1Hz 2Hz 4Hz 16Hz 50Hz * MEDIUM 0.004Hz 0.04Hz 0.1Hz 0.2Hz 0.5Hz 1Hz 2Hz 8Hz 25Hz * LIGHT 0.002Hz 0.02Hz 0.05Hz 0.1Hz 0.2Hz 0.5Hz 1Hz 4Hz 12Hz * * @param ctx read / write interface definitions * @param val get the values of hpcf in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_bandwidth_get(lis2dh12_ctx_t *ctx, lis2dh12_hpcf_t *val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); switch (ctrl_reg2.hpcf) { case LIS2DH12_AGGRESSIVE: *val = LIS2DH12_AGGRESSIVE; break; case LIS2DH12_STRONG: *val = LIS2DH12_STRONG; break; case LIS2DH12_MEDIUM: *val = LIS2DH12_MEDIUM; break; case LIS2DH12_LIGHT: *val = LIS2DH12_LIGHT; break; default: *val = LIS2DH12_LIGHT; break; } return ret; } /** * @brief High-pass filter mode selection.[set] * * @param ctx read / write interface definitions * @param val change the values of hpm in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_hpm_t val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.hpm = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); } return ret; } /** * @brief High-pass filter mode selection.[get] * * @param ctx read / write interface definitions * @param val get the values of hpm in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_hpm_t *val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); switch (ctrl_reg2.hpm) { case LIS2DH12_NORMAL_WITH_RST: *val = LIS2DH12_NORMAL_WITH_RST; break; case LIS2DH12_REFERENCE_MODE: *val = LIS2DH12_REFERENCE_MODE; break; case LIS2DH12_NORMAL: *val = LIS2DH12_NORMAL; break; case LIS2DH12_AUTORST_ON_INT: *val = LIS2DH12_AUTORST_ON_INT; break; default: *val = LIS2DH12_NORMAL_WITH_RST; break; } return ret; } /** * @brief Full-scale configuration.[set] * * @param ctx read / write interface definitions * @param val change the values of fs in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_full_scale_set(lis2dh12_ctx_t *ctx, lis2dh12_fs_t val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); if (ret == 0) { ctrl_reg4.fs = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } return ret; } /** * @brief Full-scale configuration.[get] * * @param ctx read / write interface definitions * @param val get the values of fs in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_full_scale_get(lis2dh12_ctx_t *ctx, lis2dh12_fs_t *val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); switch (ctrl_reg4.fs) { case LIS2DH12_2g: *val = LIS2DH12_2g; break; case LIS2DH12_4g: *val = LIS2DH12_4g; break; case LIS2DH12_8g: *val = LIS2DH12_8g; break; case LIS2DH12_16g: *val = LIS2DH12_16g; break; default: *val = LIS2DH12_2g; break; } return ret; } /** * @brief Block Data Update.[set] * * @param ctx read / write interface definitions * @param val change the values of bdu in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_block_data_update_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); if (ret == 0) { ctrl_reg4.bdu = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } return ret; } /** * @brief Block Data Update.[get] * * @param ctx read / write interface definitions * @param val change the values of bdu in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_block_data_update_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); *val = (uint8_t)ctrl_reg4.bdu; return ret; } /** * @brief Reference value for interrupt generation.[set] * LSB = ~16@2g / ~31@4g / ~63@8g / ~127@16g * * @param ctx read / write interface definitions * @param buff buffer that contains data to write * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_filter_reference_set(lis2dh12_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2dh12_write_reg(ctx, LIS2DH12_REFERENCE, buff, 1); return ret; } /** * @brief Reference value for interrupt generation.[get] * LSB = ~16@2g / ~31@4g / ~63@8g / ~127@16g * * @param ctx read / write interface definitions * @param buff buffer that stores data read * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_filter_reference_get(lis2dh12_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_REFERENCE, buff, 1); return ret; } /** * @brief Acceleration set of data available.[get] * * @param ctx read / write interface definitions * @param val change the values of zyxda in reg STATUS_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_xl_data_ready_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_status_reg_t status_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_STATUS_REG, (uint8_t*)&status_reg, 1); *val = status_reg.zyxda; return ret; } /** * @brief Acceleration set of data overrun.[get] * * @param ctx read / write interface definitions * @param val change the values of zyxor in reg STATUS_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_xl_data_ovr_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_status_reg_t status_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_STATUS_REG, (uint8_t*)&status_reg, 1); *val = status_reg.zyxor; return ret; } /** * @brief Acceleration output value.[get] * * @param ctx read / write interface definitions * @param buff buffer that stores data read * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_acceleration_raw_get(lis2dh12_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_OUT_X_L, buff, 6); return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Common * @brief This section group common usefull functions * @{ * */ /** * @brief DeviceWhoamI .[get] * * @param ctx read / write interface definitions * @param buff buffer that stores data read * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_device_id_get(lis2dh12_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_WHO_AM_I, buff, 1); return ret; } /** * @brief Self Test.[set] * * @param ctx read / write interface definitions * @param val change the values of st in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_self_test_set(lis2dh12_ctx_t *ctx, lis2dh12_st_t val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); if (ret == 0) { ctrl_reg4.st = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } return ret; } /** * @brief Self Test.[get] * * @param ctx read / write interface definitions * @param val Get the values of st in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_self_test_get(lis2dh12_ctx_t *ctx, lis2dh12_st_t *val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); switch (ctrl_reg4.st) { case LIS2DH12_ST_DISABLE: *val = LIS2DH12_ST_DISABLE; break; case LIS2DH12_ST_POSITIVE: *val = LIS2DH12_ST_POSITIVE; break; case LIS2DH12_ST_NEGATIVE: *val = LIS2DH12_ST_NEGATIVE; break; default: *val = LIS2DH12_ST_DISABLE; break; } return ret; } /** * @brief Big/Little Endian data selection.[set] * * @param ctx read / write interface definitions * @param val change the values of ble in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_data_format_set(lis2dh12_ctx_t *ctx, lis2dh12_ble_t val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); if (ret == 0) { ctrl_reg4.ble = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } return ret; } /** * @brief Big/Little Endian data selection.[get] * * @param ctx read / write interface definitions * @param val get the values of ble in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_data_format_get(lis2dh12_ctx_t *ctx, lis2dh12_ble_t *val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); switch (ctrl_reg4.ble) { case LIS2DH12_LSB_AT_LOW_ADD: *val = LIS2DH12_LSB_AT_LOW_ADD; break; case LIS2DH12_MSB_AT_LOW_ADD: *val = LIS2DH12_MSB_AT_LOW_ADD; break; default: *val = LIS2DH12_LSB_AT_LOW_ADD; break; } return ret; } /** * @brief Reboot memory content. Reload the calibration parameters.[set] * * @param ctx read / write interface definitions * @param val change the values of boot in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_boot_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); if (ret == 0) { ctrl_reg5.boot = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); } return ret; } /** * @brief Reboot memory content. Reload the calibration parameters.[get] * * @param ctx read / write interface definitions * @param val change the values of boot in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_boot_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); *val = (uint8_t)ctrl_reg5.boot; return ret; } /** * @brief Info about device status.[get] * * @param ctx read / write interface definitions * @param val register STATUS_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_status_get(lis2dh12_ctx_t *ctx, lis2dh12_status_reg_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_STATUS_REG, (uint8_t*) val, 1); return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Interrupts_generator_1 * @brief This section group all the functions that manage the first * interrupts generator * @{ * */ /** * @brief Interrupt generator 1 configuration register.[set] * * @param ctx read / write interface definitions * @param val register INT1_CFG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_conf_set(lis2dh12_ctx_t *ctx, lis2dh12_int1_cfg_t *val) { int32_t ret; ret = lis2dh12_write_reg(ctx, LIS2DH12_INT1_CFG, (uint8_t*) val, 1); return ret; } /** * @brief Interrupt generator 1 configuration register.[get] * * @param ctx read / write interface definitions * @param val register INT1_CFG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_conf_get(lis2dh12_ctx_t *ctx, lis2dh12_int1_cfg_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT1_CFG, (uint8_t*) val, 1); return ret; } /** * @brief Interrupt generator 1 source register.[get] * * @param ctx read / write interface definitions * @param val Registers INT1_SRC * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_source_get(lis2dh12_ctx_t *ctx, lis2dh12_int1_src_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT1_SRC, (uint8_t*) val, 1); return ret; } /** * @brief User-defined threshold value for xl interrupt event on * generator 1.[set] * LSb = 16mg@2g / 32mg@4g / 62mg@8g / 186mg@16g * * @param ctx read / write interface definitions * @param val change the values of ths in reg INT1_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_threshold_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_int1_ths_t int1_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT1_THS, (uint8_t*)&int1_ths, 1); if (ret == 0) { int1_ths.ths = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_INT1_THS, (uint8_t*)&int1_ths, 1); } return ret; } /** * @brief User-defined threshold value for xl interrupt event on * generator 1.[get] * LSb = 16mg@2g / 32mg@4g / 62mg@8g / 186mg@16g * * @param ctx read / write interface definitions * @param val change the values of ths in reg INT1_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_threshold_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_int1_ths_t int1_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT1_THS, (uint8_t*)&int1_ths, 1); *val = (uint8_t)int1_ths.ths; return ret; } /** * @brief The minimum duration (LSb = 1/ODR) of the Interrupt 1 event to be * recognized.[set] * * @param ctx read / write interface definitions * @param val change the values of d in reg INT1_DURATION * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_duration_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_int1_duration_t int1_duration; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT1_DURATION, (uint8_t*)&int1_duration, 1); if (ret == 0) { int1_duration.d = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_INT1_DURATION, (uint8_t*)&int1_duration, 1); } return ret; } /** * @brief The minimum duration (LSb = 1/ODR) of the Interrupt 1 event to be * recognized.[get] * * @param ctx read / write interface definitions * @param val change the values of d in reg INT1_DURATION * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_gen_duration_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_int1_duration_t int1_duration; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT1_DURATION, (uint8_t*)&int1_duration, 1); *val = (uint8_t)int1_duration.d; return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Interrupts_generator_2 * @brief This section group all the functions that manage the second * interrupts generator * @{ * */ /** * @brief Interrupt generator 2 configuration register.[set] * * @param ctx read / write interface definitions * @param val registers INT2_CFG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_conf_set(lis2dh12_ctx_t *ctx, lis2dh12_int2_cfg_t *val) { int32_t ret; ret = lis2dh12_write_reg(ctx, LIS2DH12_INT2_CFG, (uint8_t*) val, 1); return ret; } /** * @brief Interrupt generator 2 configuration register.[get] * * @param ctx read / write interface definitions * @param val registers INT2_CFG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_conf_get(lis2dh12_ctx_t *ctx, lis2dh12_int2_cfg_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT2_CFG, (uint8_t*) val, 1); return ret; } /** * @brief Interrupt generator 2 source register.[get] * * @param ctx read / write interface definitions * @param val registers INT2_SRC * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_source_get(lis2dh12_ctx_t *ctx, lis2dh12_int2_src_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT2_SRC, (uint8_t*) val, 1); return ret; } /** * @brief User-defined threshold value for xl interrupt event on * generator 2.[set] * LSb = 16mg@2g / 32mg@4g / 62mg@8g / 186mg@16g * * @param ctx read / write interface definitions * @param val change the values of ths in reg INT2_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_threshold_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_int2_ths_t int2_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT2_THS, (uint8_t*)&int2_ths, 1); if (ret == 0) { int2_ths.ths = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_INT2_THS, (uint8_t*)&int2_ths, 1); } return ret; } /** * @brief User-defined threshold value for xl interrupt event on * generator 2.[get] * LSb = 16mg@2g / 32mg@4g / 62mg@8g / 186mg@16g * * @param ctx read / write interface definitions * @param val change the values of ths in reg INT2_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_threshold_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_int2_ths_t int2_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT2_THS, (uint8_t*)&int2_ths, 1); *val = (uint8_t)int2_ths.ths; return ret; } /** * @brief The minimum duration (LSb = 1/ODR) of the Interrupt 1 event to be * recognized .[set] * * @param ctx read / write interface definitions * @param val change the values of d in reg INT2_DURATION * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_duration_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_int2_duration_t int2_duration; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT2_DURATION, (uint8_t*)&int2_duration, 1); if (ret == 0) { int2_duration.d = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_INT2_DURATION, (uint8_t*)&int2_duration, 1); } return ret; } /** * @brief The minimum duration (LSb = 1/ODR) of the Interrupt 1 event to be * recognized.[get] * * @param ctx read / write interface definitions * @param val change the values of d in reg INT2_DURATION * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_gen_duration_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_int2_duration_t int2_duration; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_INT2_DURATION, (uint8_t*)&int2_duration, 1); *val = (uint8_t)int2_duration.d; return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Interrupt_pins * @brief This section group all the functions that manage interrup pins * @{ * */ /** * @brief High-pass filter on interrupts/tap generator.[set] * * @param ctx read / write interface definitions * @param val change the values of hp in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_int_conf_set(lis2dh12_ctx_t *ctx, lis2dh12_hp_t val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.hp = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); } return ret; } /** * @brief High-pass filter on interrupts/tap generator.[get] * * @param ctx read / write interface definitions * @param val Get the values of hp in reg CTRL_REG2 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_high_pass_int_conf_get(lis2dh12_ctx_t *ctx, lis2dh12_hp_t *val) { lis2dh12_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG2, (uint8_t*)&ctrl_reg2, 1); switch (ctrl_reg2.hp) { case LIS2DH12_DISC_FROM_INT_GENERATOR: *val = LIS2DH12_DISC_FROM_INT_GENERATOR; break; case LIS2DH12_ON_INT1_GEN: *val = LIS2DH12_ON_INT1_GEN; break; case LIS2DH12_ON_INT2_GEN: *val = LIS2DH12_ON_INT2_GEN; break; case LIS2DH12_ON_TAP_GEN: *val = LIS2DH12_ON_TAP_GEN; break; case LIS2DH12_ON_INT1_INT2_GEN: *val = LIS2DH12_ON_INT1_INT2_GEN; break; case LIS2DH12_ON_INT1_TAP_GEN: *val = LIS2DH12_ON_INT1_TAP_GEN; break; case LIS2DH12_ON_INT2_TAP_GEN: *val = LIS2DH12_ON_INT2_TAP_GEN; break; case LIS2DH12_ON_INT1_INT2_TAP_GEN: *val = LIS2DH12_ON_INT1_INT2_TAP_GEN; break; default: *val = LIS2DH12_DISC_FROM_INT_GENERATOR; break; } return ret; } /** * @brief Int1 pin routing configuration register.[set] * * @param ctx read / write interface definitions * @param val registers CTRL_REG3 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_pin_int1_config_set(lis2dh12_ctx_t *ctx, lis2dh12_ctrl_reg3_t *val) { int32_t ret; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG3, (uint8_t*) val, 1); return ret; } /** * @brief Int1 pin routing configuration register.[get] * * @param ctx read / write interface definitions * @param val registers CTRL_REG3 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_pin_int1_config_get(lis2dh12_ctx_t *ctx, lis2dh12_ctrl_reg3_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG3, (uint8_t*) val, 1); return ret; } /** * @brief int2_pin_detect_4d: [set] 4D enable: 4D detection is enabled * on INT2 pin when 6D bit on * INT2_CFG (34h) is set to 1. * * @param ctx read / write interface definitions * @param val change the values of d4d_int2 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_pin_detect_4d_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); if (ret == 0) { ctrl_reg5.d4d_int2 = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); } return ret; } /** * @brief 4D enable: 4D detection is enabled on INT2 pin when 6D bit on * INT2_CFG (34h) is set to 1.[get] * * @param ctx read / write interface definitions * @param val change the values of d4d_int2 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_pin_detect_4d_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); *val = (uint8_t)ctrl_reg5.d4d_int2; return ret; } /** * @brief Latch interrupt request on INT2_SRC (35h) register, with * INT2_SRC (35h) register cleared by reading INT2_SRC(35h) * itself.[set] * * @param ctx read / write interface definitions * @param val change the values of lir_int2 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_pin_notification_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_lir_int2_t val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); if (ret == 0) { ctrl_reg5.lir_int2 = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); } return ret; } /** * @brief Latch interrupt request on INT2_SRC (35h) register, with * INT2_SRC (35h) register cleared by reading INT2_SRC(35h) * itself.[get] * * @param ctx read / write interface definitions * @param val Get the values of lir_int2 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int2_pin_notification_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_lir_int2_t *val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); switch (ctrl_reg5.lir_int2) { case LIS2DH12_INT2_PULSED: *val = LIS2DH12_INT2_PULSED; break; case LIS2DH12_INT2_LATCHED: *val = LIS2DH12_INT2_LATCHED; break; default: *val = LIS2DH12_INT2_PULSED; break; } return ret; } /** * @brief 4D enable: 4D detection is enabled on INT1 pin when 6D bit * on INT1_CFG(30h) is set to 1.[set] * * @param ctx read / write interface definitions * @param val change the values of d4d_int1 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_pin_detect_4d_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); if (ret == 0) { ctrl_reg5.d4d_int1 = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); } return ret; } /** * @brief 4D enable: 4D detection is enabled on INT1 pin when 6D bit on * INT1_CFG(30h) is set to 1.[get] * * @param ctx read / write interface definitions * @param val change the values of d4d_int1 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_pin_detect_4d_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); *val = (uint8_t)ctrl_reg5.d4d_int1; return ret; } /** * @brief Latch interrupt request on INT1_SRC (31h), with INT1_SRC(31h) * register cleared by reading INT1_SRC (31h) itself.[set] * * @param ctx read / write interface definitions * @param val change the values of lir_int1 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_pin_notification_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_lir_int1_t val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); if (ret == 0) { ctrl_reg5.lir_int1 = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); } return ret; } /** * @brief Latch interrupt request on INT1_SRC (31h), with INT1_SRC(31h) * register cleared by reading INT1_SRC (31h) itself.[get] * * @param ctx read / write interface definitions * @param val Get the values of lir_int1 in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_int1_pin_notification_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_lir_int1_t *val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); switch (ctrl_reg5.lir_int1) { case LIS2DH12_INT1_PULSED: *val = LIS2DH12_INT1_PULSED; break; case LIS2DH12_INT1_LATCHED: *val = LIS2DH12_INT1_LATCHED; break; default: *val = LIS2DH12_INT1_PULSED; break; } return ret; } /** * @brief Int2 pin routing configuration register.[set] * * @param ctx read / write interface definitions * @param val registers CTRL_REG6 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_pin_int2_config_set(lis2dh12_ctx_t *ctx, lis2dh12_ctrl_reg6_t *val) { int32_t ret; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG6, (uint8_t*) val, 1); return ret; } /** * @brief Int2 pin routing configuration register.[get] * * @param ctx read / write interface definitions * @param val registers CTRL_REG6 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_pin_int2_config_get(lis2dh12_ctx_t *ctx, lis2dh12_ctrl_reg6_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG6, (uint8_t*) val, 1); return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Fifo * @brief This section group all the functions concerning the fifo usage * @{ * */ /** * @brief FIFO enable.[set] * * @param ctx read / write interface definitions * @param val change the values of fifo_en in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); if (ret == 0) { ctrl_reg5.fifo_en = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); } return ret; } /** * @brief FIFO enable.[get] * * @param ctx read / write interface definitions * @param val change the values of fifo_en in reg CTRL_REG5 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_ctrl_reg5_t ctrl_reg5; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG5, (uint8_t*)&ctrl_reg5, 1); *val = (uint8_t)ctrl_reg5.fifo_en; return ret; } /** * @brief FIFO watermark level selection.[set] * * @param ctx read / write interface definitions * @param val change the values of fth in reg FIFO_CTRL_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_watermark_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_fifo_ctrl_reg_t fifo_ctrl_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); if (ret == 0) { fifo_ctrl_reg.fth = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); } return ret; } /** * @brief FIFO watermark level selection.[get] * * @param ctx read / write interface definitions * @param val change the values of fth in reg FIFO_CTRL_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_watermark_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_fifo_ctrl_reg_t fifo_ctrl_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); *val = (uint8_t)fifo_ctrl_reg.fth; return ret; } /** * @brief Trigger FIFO selection.[set] * * @param ctx read / write interface definitions * @param val change the values of tr in reg FIFO_CTRL_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_trigger_event_set(lis2dh12_ctx_t *ctx, lis2dh12_tr_t val) { lis2dh12_fifo_ctrl_reg_t fifo_ctrl_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); if (ret == 0) { fifo_ctrl_reg.tr = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); } return ret; } /** * @brief Trigger FIFO selection.[get] * * @param ctx read / write interface definitions * @param val Get the values of tr in reg FIFO_CTRL_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_trigger_event_get(lis2dh12_ctx_t *ctx, lis2dh12_tr_t *val) { lis2dh12_fifo_ctrl_reg_t fifo_ctrl_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); switch (fifo_ctrl_reg.tr) { case LIS2DH12_INT1_GEN: *val = LIS2DH12_INT1_GEN; break; case LIS2DH12_INT2_GEN: *val = LIS2DH12_INT2_GEN; break; default: *val = LIS2DH12_INT1_GEN; break; } return ret; } /** * @brief FIFO mode selection.[set] * * @param ctx read / write interface definitions * @param val change the values of fm in reg FIFO_CTRL_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_fm_t val) { lis2dh12_fifo_ctrl_reg_t fifo_ctrl_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); if (ret == 0) { fifo_ctrl_reg.fm = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); } return ret; } /** * @brief FIFO mode selection.[get] * * @param ctx read / write interface definitions * @param val Get the values of fm in reg FIFO_CTRL_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_fm_t *val) { lis2dh12_fifo_ctrl_reg_t fifo_ctrl_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_CTRL_REG, (uint8_t*)&fifo_ctrl_reg, 1); switch (fifo_ctrl_reg.fm) { case LIS2DH12_BYPASS_MODE: *val = LIS2DH12_BYPASS_MODE; break; case LIS2DH12_FIFO_MODE: *val = LIS2DH12_FIFO_MODE; break; case LIS2DH12_DYNAMIC_STREAM_MODE: *val = LIS2DH12_DYNAMIC_STREAM_MODE; break; case LIS2DH12_STREAM_TO_FIFO_MODE: *val = LIS2DH12_STREAM_TO_FIFO_MODE; break; default: *val = LIS2DH12_BYPASS_MODE; break; } return ret; } /** * @brief FIFO status register.[get] * * @param ctx read / write interface definitions * @param val registers FIFO_SRC_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_status_get(lis2dh12_ctx_t *ctx, lis2dh12_fifo_src_reg_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_SRC_REG, (uint8_t*) val, 1); return ret; } /** * @brief FIFO stored data level.[get] * * @param ctx read / write interface definitions * @param val change the values of fss in reg FIFO_SRC_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_data_level_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_fifo_src_reg_t fifo_src_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_SRC_REG, (uint8_t*)&fifo_src_reg, 1); *val = (uint8_t)fifo_src_reg.fss; return ret; } /** * @brief Empty FIFO status flag.[get] * * @param ctx read / write interface definitions * @param val change the values of empty in reg FIFO_SRC_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_empty_flag_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_fifo_src_reg_t fifo_src_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_SRC_REG, (uint8_t*)&fifo_src_reg, 1); *val = (uint8_t)fifo_src_reg.empty; return ret; } /** * @brief FIFO overrun status flag.[get] * * @param ctx read / write interface definitions * @param val change the values of ovrn_fifo in reg FIFO_SRC_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_ovr_flag_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_fifo_src_reg_t fifo_src_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_SRC_REG, (uint8_t*)&fifo_src_reg, 1); *val = (uint8_t)fifo_src_reg.ovrn_fifo; return ret; } /** * @brief FIFO watermark status.[get] * * @param ctx read / write interface definitions * @param val change the values of wtm in reg FIFO_SRC_REG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_fifo_fth_flag_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_fifo_src_reg_t fifo_src_reg; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_FIFO_SRC_REG, (uint8_t*)&fifo_src_reg, 1); *val = (uint8_t)fifo_src_reg.wtm; return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Tap_generator * @brief This section group all the functions that manage the tap and * double tap event generation * @{ * */ /** * @brief Tap/Double Tap generator configuration register.[set] * * @param ctx read / write interface definitions * @param val registers CLICK_CFG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_conf_set(lis2dh12_ctx_t *ctx, lis2dh12_click_cfg_t *val) { int32_t ret; ret = lis2dh12_write_reg(ctx, LIS2DH12_CLICK_CFG, (uint8_t*) val, 1); return ret; } /** * @brief Tap/Double Tap generator configuration register.[get] * * @param ctx read / write interface definitions * @param val registers CLICK_CFG * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_conf_get(lis2dh12_ctx_t *ctx, lis2dh12_click_cfg_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CLICK_CFG, (uint8_t*) val, 1); return ret; } /** * @brief Tap/Double Tap generator source register.[get] * * @param ctx read / write interface definitions * @param val registers CLICK_SRC * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_source_get(lis2dh12_ctx_t *ctx, lis2dh12_click_src_t *val) { int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CLICK_SRC, (uint8_t*) val, 1); return ret; } /** * @brief User-defined threshold value for Tap/Double Tap event.[set] * 1 LSB = full scale/128 * * @param ctx read / write interface definitions * @param val change the values of ths in reg CLICK_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_threshold_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_click_ths_t click_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CLICK_THS, (uint8_t*)&click_ths, 1); if (ret == 0) { click_ths.ths = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CLICK_THS, (uint8_t*)&click_ths, 1); } return ret; } /** * @brief User-defined threshold value for Tap/Double Tap event.[get] * 1 LSB = full scale/128 * * @param ctx read / write interface definitions * @param val change the values of ths in reg CLICK_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_threshold_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_click_ths_t click_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CLICK_THS, (uint8_t*)&click_ths, 1); *val = (uint8_t)click_ths.ths; return ret; } /** * @brief If the LIR_Click bit is not set, the interrupt is kept high * for the duration of the latency window. * If the LIR_Click bit is set, the interrupt is kept high until the * CLICK_SRC(39h) register is read.[set] * * @param ctx read / write interface definitions * @param val change the values of lir_click in reg CLICK_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_notification_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_lir_click_t val) { lis2dh12_click_ths_t click_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CLICK_THS, (uint8_t*)&click_ths, 1); if (ret == 0) { click_ths.lir_click = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CLICK_THS, (uint8_t*)&click_ths, 1); } return ret; } /** * @brief If the LIR_Click bit is not set, the interrupt is kept high * for the duration of the latency window. * If the LIR_Click bit is set, the interrupt is kept high until the * CLICK_SRC(39h) register is read.[get] * * @param ctx read / write interface definitions * @param val Get the values of lir_click in reg CLICK_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_tap_notification_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_lir_click_t *val) { lis2dh12_click_ths_t click_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CLICK_THS, (uint8_t*)&click_ths, 1); switch (click_ths.lir_click) { case LIS2DH12_TAP_PULSED: *val = LIS2DH12_TAP_PULSED; break; case LIS2DH12_TAP_LATCHED: *val = LIS2DH12_TAP_LATCHED; break; default: *val = LIS2DH12_TAP_PULSED; break; } return ret; } /** * @brief The maximum time (1 LSB = 1/ODR) interval that can elapse * between the start of the click-detection procedure and when the * acceleration falls back below the threshold.[set] * * @param ctx read / write interface definitions * @param val change the values of tli in reg TIME_LIMIT * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_shock_dur_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_time_limit_t time_limit; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TIME_LIMIT, (uint8_t*)&time_limit, 1); if (ret == 0) { time_limit.tli = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_TIME_LIMIT, (uint8_t*)&time_limit, 1); } return ret; } /** * @brief The maximum time (1 LSB = 1/ODR) interval that can elapse between * the start of the click-detection procedure and when the * acceleration falls back below the threshold.[get] * * @param ctx read / write interface definitions * @param val change the values of tli in reg TIME_LIMIT * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_shock_dur_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_time_limit_t time_limit; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TIME_LIMIT, (uint8_t*)&time_limit, 1); *val = (uint8_t)time_limit.tli; return ret; } /** * @brief The time (1 LSB = 1/ODR) interval that starts after the first * click detection where the click-detection procedure is * disabled, in cases where the device is configured for * double-click detection.[set] * * @param ctx read / write interface definitions * @param val change the values of tla in reg TIME_LATENCY * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_quiet_dur_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_time_latency_t time_latency; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TIME_LATENCY, (uint8_t*)&time_latency, 1); if (ret == 0) { time_latency.tla = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_TIME_LATENCY, (uint8_t*)&time_latency, 1); } return ret; } /** * @brief The time (1 LSB = 1/ODR) interval that starts after the first * click detection where the click-detection procedure is * disabled, in cases where the device is configured for * double-click detection.[get] * * @param ctx read / write interface definitions * @param val change the values of tla in reg TIME_LATENCY * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_quiet_dur_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_time_latency_t time_latency; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TIME_LATENCY, (uint8_t*)&time_latency, 1); *val = (uint8_t)time_latency.tla; return ret; } /** * @brief The maximum interval of time (1 LSB = 1/ODR) that can elapse * after the end of the latency interval in which the click-detection * procedure can start, in cases where the device is configured * for double-click detection.[set] * * @param ctx read / write interface definitions * @param val change the values of tw in reg TIME_WINDOW * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_double_tap_timeout_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_time_window_t time_window; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TIME_WINDOW, (uint8_t*)&time_window, 1); if (ret == 0) { time_window.tw = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_TIME_WINDOW, (uint8_t*)&time_window, 1); } return ret; } /** * @brief The maximum interval of time (1 LSB = 1/ODR) that can elapse * after the end of the latency interval in which the * click-detection procedure can start, in cases where the device * is configured for double-click detection.[get] * * @param ctx read / write interface definitions * @param val change the values of tw in reg TIME_WINDOW * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_double_tap_timeout_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_time_window_t time_window; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_TIME_WINDOW, (uint8_t*)&time_window, 1); *val = (uint8_t)time_window.tw; return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Activity_inactivity * @brief This section group all the functions concerning activity * inactivity functionality * @{ * */ /** * @brief Sleep-to-wake, return-to-sleep activation threshold in * low-power mode.[set] * 1 LSb = 16mg@2g / 32mg@4g / 62mg@8g / 186mg@16g * * @param ctx read / write interface definitions * @param val change the values of acth in reg ACT_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_act_threshold_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_act_ths_t act_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_ACT_THS, (uint8_t*)&act_ths, 1); if (ret == 0) { act_ths.acth = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_ACT_THS, (uint8_t*)&act_ths, 1); } return ret; } /** * @brief Sleep-to-wake, return-to-sleep activation threshold in low-power * mode.[get] * 1 LSb = 16mg@2g / 32mg@4g / 62mg@8g / 186mg@16g * * @param ctx read / write interface definitions * @param val change the values of acth in reg ACT_THS * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_act_threshold_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_act_ths_t act_ths; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_ACT_THS, (uint8_t*)&act_ths, 1); *val = (uint8_t)act_ths.acth; return ret; } /** * @brief Sleep-to-wake, return-to-sleep.[set] * duration = (8*1[LSb]+1)/ODR * * @param ctx read / write interface definitions * @param val change the values of actd in reg ACT_DUR * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_act_timeout_set(lis2dh12_ctx_t *ctx, uint8_t val) { lis2dh12_act_dur_t act_dur; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_ACT_DUR, (uint8_t*)&act_dur, 1); if (ret == 0) { act_dur.actd = val; ret = lis2dh12_write_reg(ctx, LIS2DH12_ACT_DUR, (uint8_t*)&act_dur, 1); } return ret; } /** * @brief Sleep-to-wake, return-to-sleep.[get] * duration = (8*1[LSb]+1)/ODR * * @param ctx read / write interface definitions * @param val change the values of actd in reg ACT_DUR * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_act_timeout_get(lis2dh12_ctx_t *ctx, uint8_t *val) { lis2dh12_act_dur_t act_dur; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_ACT_DUR, (uint8_t*)&act_dur, 1); *val = (uint8_t)act_dur.actd; return ret; } /** * @} * */ /** * @defgroup LIS2DH12_Serial_interface * @brief This section group all the functions concerning serial * interface management * @{ * */ /** * @brief Connect/Disconnect SDO/SA0 internal pull-up.[set] * * @param ctx read / write interface definitions * @param val change the values of sdo_pu_disc in reg CTRL_REG0 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_pin_sdo_sa0_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_sdo_pu_disc_t val) { lis2dh12_ctrl_reg0_t ctrl_reg0; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG0, (uint8_t*)&ctrl_reg0, 1); if (ret == 0) { ctrl_reg0.sdo_pu_disc = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG0, (uint8_t*)&ctrl_reg0, 1); } return ret; } /** * @brief Connect/Disconnect SDO/SA0 internal pull-up.[get] * * @param ctx read / write interface definitions * @param val Get the values of sdo_pu_disc in reg CTRL_REG0 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_pin_sdo_sa0_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_sdo_pu_disc_t *val) { lis2dh12_ctrl_reg0_t ctrl_reg0; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG0, (uint8_t*)&ctrl_reg0, 1); switch (ctrl_reg0.sdo_pu_disc) { case LIS2DH12_PULL_UP_DISCONNECT: *val = LIS2DH12_PULL_UP_DISCONNECT; break; case LIS2DH12_PULL_UP_CONNECT: *val = LIS2DH12_PULL_UP_CONNECT; break; default: *val = LIS2DH12_PULL_UP_DISCONNECT; break; } return ret; } /** * @brief SPI Serial Interface Mode selection.[set] * * @param ctx read / write interface definitions * @param val change the values of sim in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_spi_mode_set(lis2dh12_ctx_t *ctx, lis2dh12_sim_t val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); if (ret == 0) { ctrl_reg4.sim = (uint8_t)val; ret = lis2dh12_write_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); } return ret; } /** * @brief SPI Serial Interface Mode selection.[get] * * @param ctx read / write interface definitions * @param val Get the values of sim in reg CTRL_REG4 * @retval interface status (MANDATORY: return 0 -> no Error) * */ int32_t lis2dh12_spi_mode_get(lis2dh12_ctx_t *ctx, lis2dh12_sim_t *val) { lis2dh12_ctrl_reg4_t ctrl_reg4; int32_t ret; ret = lis2dh12_read_reg(ctx, LIS2DH12_CTRL_REG4, (uint8_t*)&ctrl_reg4, 1); switch (ctrl_reg4.sim) { case LIS2DH12_SPI_4_WIRE: *val = LIS2DH12_SPI_4_WIRE; break; case LIS2DH12_SPI_3_WIRE: *val = LIS2DH12_SPI_3_WIRE; break; default: *val = LIS2DH12_SPI_4_WIRE; break; } return ret; } /** * @} * */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/