/** ****************************************************************************** * @file lps22hb_reg.c * @author Sensors Software Solution Team * @brief LPS22HB driver file ****************************************************************************** * @attention * *

© Copyright (c) 2021 STMicroelectronics. * All rights reserved.

* * This software component is licensed by ST under BSD 3-Clause license, * the "License"; You may not use this file except in compliance with the * License. You may obtain a copy of the License at: * opensource.org/licenses/BSD-3-Clause * ****************************************************************************** */ #include "lps22hb_reg.h" /** * @defgroup LPS22HB * @brief This file provides a set of functions needed to drive the * ultra-compact piezoresistive absolute pressure sensor. * @{ * */ /** * @defgroup LPS22HB_Interfaces_functions * @brief This section provide a set of functions used to read and * write a generic register of the device. * @{ * */ /** * @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 __weak lps22hb_read_reg(const stmdev_ctx_t *ctx, uint8_t reg, uint8_t *data, uint16_t len) { int32_t ret; if (ctx == NULL) { return -1; } 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 __weak lps22hb_write_reg(const stmdev_ctx_t *ctx, uint8_t reg, uint8_t *data, uint16_t len) { int32_t ret; if (ctx == NULL) { return -1; } ret = ctx->write_reg(ctx->handle, reg, data, len); return ret; } /** * @} * */ /** * @defgroup LPS22HB_Sensitivity * @brief These functions convert raw-data into engineering units. * @{ * */ float_t lps22hb_from_lsb_to_hpa(int32_t lsb) { return ((float_t)lsb / 4096.0f); } float_t lps22hb_from_lsb_to_kpa(int32_t lsb) { return lps22hb_from_lsb_to_hpa(lsb) / 10.0f; } float_t lps22hb_from_lsb_to_psi(int32_t lsb) { return lps22hb_from_lsb_to_hpa(lsb) * 0.0145038f; } float_t lps22hb_from_lsb_to_altitude(int32_t lsb) { float_t atmospheric = lps22hb_from_lsb_to_hpa(lsb); // The altitude in meters can be calculated with the // international barometric formula. // Average sea level pressure is 1013.25 hPa. return 44330.0 * (1.0 - pow(atmospheric / 1013.25f, (1.0 / 5.255))); } float_t lps22hb_from_lsb_to_degc(int16_t lsb) { return ((float_t)lsb / 100.0f); } /** * @} * */ /** * @defgroup LPS22HB_data_generation_c * @brief This section group all the functions concerning data * generation * @{ * */ /** * @brief Reset Autozero function.[set] * * @param ctx Read / write interface definitions * @param val Change the values of reset_az in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_autozero_rst_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.reset_az = val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Reset Autozero function.[get] * * @param ctx Read / write interface definitions * @param val Change the values of reset_az in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_autozero_rst_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); *val = interrupt_cfg.reset_az; return ret; } /** * @brief Enable Autozero function.[set] * * @param ctx Read / write interface definitions * @param val Change the values of autozero in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_autozero_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.autozero = val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Enable Autozero function.[get] * * @param ctx Read / write interface definitions * @param val Change the values of autozero in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_autozero_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); *val = interrupt_cfg.autozero; return ret; } /** * @brief Reset AutoRifP function.[set] * * @param ctx Read / write interface definitions * @param val Change the values of reset_arp in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_snap_rst_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.reset_arp = val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Reset AutoRifP function.[get] * * @param ctx Read / write interface definitions * @param val Change the values of reset_arp in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_snap_rst_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); *val = interrupt_cfg.reset_arp; return ret; } /** * @brief Enable AutoRifP function.[set] * * @param ctx Read / write interface definitions * @param val Change the values of autorifp in reg INTERRUPT_CFG. * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_snap_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.autorifp = val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Enable AutoRifP function.[get] * * @param ctx Read / write interface definitions * @param val Change the values of autorifp in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_snap_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); *val = interrupt_cfg.autorifp; return ret; } /** * @brief Block data update.[set] * * @param ctx Read / write interface definitions * @param val Change the values of bdu in reg CTRL_REG1 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_block_data_update_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); if (ret == 0) { ctrl_reg1.bdu = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); } return ret; } /** * @brief Block data update.[get] * * @param ctx Read / write interface definitions * @param val Change the values of bdu in reg CTRL_REG1 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_block_data_update_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); *val = ctrl_reg1.bdu; return ret; } /** * @brief Low-pass bandwidth selection.[set] * * @param ctx Read / write interface definitions * @param val Change the values of lpfp in reg CTRL_REG1 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_low_pass_filter_mode_set(const stmdev_ctx_t *ctx, lps22hb_lpfp_t val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); if (ret == 0) { ctrl_reg1.lpfp = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); } return ret; } /** * @brief Low-pass bandwidth selection.[get] * * @param ctx Read / write interface definitions * @param val Get the values of lpfp in reg CTRL_REG1 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_low_pass_filter_mode_get(const stmdev_ctx_t *ctx, lps22hb_lpfp_t *val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); switch (ctrl_reg1.lpfp) { case LPS22HB_LPF_ODR_DIV_2: *val = LPS22HB_LPF_ODR_DIV_2; break; case LPS22HB_LPF_ODR_DIV_9: *val = LPS22HB_LPF_ODR_DIV_9; break; case LPS22HB_LPF_ODR_DIV_20: *val = LPS22HB_LPF_ODR_DIV_20; break; default: *val = LPS22HB_LPF_ODR_DIV_2; break; } 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 lps22hb_data_rate_set(const stmdev_ctx_t *ctx, lps22hb_odr_t val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); if (ret == 0) { ctrl_reg1.odr = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_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 lps22hb_data_rate_get(const stmdev_ctx_t *ctx, lps22hb_odr_t *val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); switch (ctrl_reg1.odr) { case LPS22HB_POWER_DOWN: *val = LPS22HB_POWER_DOWN; break; case LPS22HB_ODR_1_Hz: *val = LPS22HB_ODR_1_Hz; break; case LPS22HB_ODR_10_Hz: *val = LPS22HB_ODR_10_Hz; break; case LPS22HB_ODR_25_Hz: *val = LPS22HB_ODR_25_Hz; break; case LPS22HB_ODR_50_Hz: *val = LPS22HB_ODR_50_Hz; break; case LPS22HB_ODR_75_Hz: *val = LPS22HB_ODR_75_Hz; break; default: *val = LPS22HB_ODR_1_Hz; break; } return ret; } /** * @brief One-shot mode. Device perform a single measure.[set] * * @param ctx Read / write interface definitions * @param val Change the values of one_shot in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_one_shoot_trigger_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.one_shot = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); } return ret; } /** * @brief One-shot mode. Device perform a single measure.[get] * * @param ctx Read / write interface definitions * @param val Change the values of one_shot in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_one_shoot_trigger_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); *val = ctrl_reg2.one_shot; return ret; } /** * @brief pressure_ref: The Reference pressure value is a 24-bit data * expressed as 2’s complement. The value is used when AUTOZERO * or AUTORIFP function is enabled.[set] * * @param ctx Read / write interface definitions * @param buff Buffer that contains data to write * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_ref_set(const stmdev_ctx_t *ctx, int32_t val) { uint8_t buff[3]; int32_t ret; buff[2] = (uint8_t)((uint32_t)val / 65536U); buff[1] = (uint8_t)((uint32_t)val - (buff[2] * 65536U)) / 256U; buff[0] = (uint8_t)((uint32_t)val - (buff[2] * 65536U) - (buff[1] * 256U)); ret = lps22hb_write_reg(ctx, LPS22HB_REF_P_XL, buff, 3); return ret; } /** * @brief pressure_ref: The Reference pressure value is a 24-bit data * expressed as 2’s complement. The value is used when AUTOZERO * or AUTORIFP function is enabled.[get] * * @param ctx Read / write interface definitions * @param buff Buffer that stores data read * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_ref_get(const stmdev_ctx_t *ctx, int32_t *val) { uint8_t buff[3]; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_REF_P_XL, buff, 3); *val = (int32_t)buff[2]; *val = (*val * 256) + (int32_t)buff[1]; *val = (*val * 256) + (int32_t)buff[0]; return ret; } /** * @brief The pressure offset value is 16-bit data that can be used to * implement one-point calibration (OPC) after soldering.[set] * * @param ctx Read / write interface definitions * @param buff Buffer that contains data to write * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_offset_set(const stmdev_ctx_t *ctx, int16_t val) { uint8_t buff[2]; int32_t ret; buff[1] = (uint8_t)((uint16_t)val / 256U); buff[0] = (uint8_t)((uint16_t)val - (buff[1] * 256U)); ret = lps22hb_write_reg(ctx, LPS22HB_RPDS_L, buff, 2); return ret; } /** * @brief The pressure offset value is 16-bit data that can be used to * implement one-point calibration (OPC) after soldering.[get] * * @param ctx Read / write interface definitions * @param buff Buffer that stores data read * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pressure_offset_get(const stmdev_ctx_t *ctx, int16_t *val) { uint8_t buff[2]; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_RPDS_L, buff, 2); *val = (int16_t)buff[1]; *val = (*val * 256) + (int16_t)buff[0]; return ret; } /** * @brief Pressure data available.[get] * * @param ctx Read / write interface definitions * @param val Change the values of p_da in reg STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_press_data_ready_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_status_t status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_STATUS, (uint8_t *)&status, 1); *val = status.p_da; return ret; } /** * @brief Temperature data available.[get] * * @param ctx Read / write interface definitions * @param val Change the values of t_da in reg STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_temp_data_ready_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_status_t status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_STATUS, (uint8_t *)&status, 1); *val = status.t_da; return ret; } /** * @brief Pressure and temperature data available.[get] * * @param ctx Read / write interface definitions * @param press_val Change the values of p_da in reg STATUS * @param temp_val Change the values of t_da in reg STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_data_ready_get(const stmdev_ctx_t *ctx, uint8_t *press_val, uint8_t *temp_val) { lps22hb_status_t status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_STATUS, (uint8_t *)&status, 1); *press_val = status.p_da; *temp_val = status.t_da; return ret; } /** * @brief Pressure data overrun.[get] * * @param ctx Read / write interface definitions * @param val Change the values of p_or in reg STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_press_data_ovr_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_status_t status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_STATUS, (uint8_t *)&status, 1); *val = status.p_or; return ret; } /** * @brief Temperature data overrun.[get] * * @param ctx Read / write interface definitions * @param val Change the values of t_or in reg STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_temp_data_ovr_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_status_t status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_STATUS, (uint8_t *)&status, 1); *val = status.t_or; return ret; } /** * @brief Pressure 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 lps22hb_pressure_raw_get(const stmdev_ctx_t *ctx, uint32_t *buff) { uint8_t reg[3]; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_PRESS_OUT_XL, reg, 3); *buff = (reg[2] << 16 | reg[1] << 8 | reg[0]); return ret; } /** * @brief temperature_raw: 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 lps22hb_temperature_raw_get(const stmdev_ctx_t *ctx, int16_t *buff) { uint8_t reg[2]; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_TEMP_OUT_L, (uint8_t *) reg, 2); *buff = reg[1]; *buff = (*buff * 256) + reg[0]; return ret; } /** * @defgroup LPS22HB_FIFO_Output_Data * @brief These functions convert FIFO output data to seperate * (pressure, temperautre) fields. * @{ * */ int32_t lps22hb_fifo_output_data_to_raw_pressure(lps22hb_fifo_output_data_t *val) { int32_t pressure = val->bytes[2]; pressure = (pressure * 256) + val->bytes[1]; return (pressure * 256) + val->bytes[0]; } int16_t lps22hb_fifo_output_data_to_raw_temperature(lps22hb_fifo_output_data_t *val) { int16_t temperature = val->bytes[4]; return (temperature * 256) + val->bytes[3]; } /** * @} * */ /** * @brief Burst read fifo output data. * * @param ctx Read / write interface definitions * @param buff Buffer that stores data read. * @param len How many pressure-temperature pairs to read from the fifo. * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_output_data_burst_get(const stmdev_ctx_t *ctx, lps22hb_fifo_output_data_t *buff, uint8_t len) { if (len > 32) { len = 32; } return lps22hb_read_reg(ctx, LPS22HB_PRESS_OUT_XL, (uint8_t *)&buff[0], len * sizeof(lps22hb_fifo_output_data_t)); } /** * @brief Low-pass filter reset register. If the LPFP is active, in * order to avoid the transitory phase, the filter can be * reset by reading this register before generating pressure * measurements.[get] * * @param ctx Read / write interface definitions * @param buff Buffer that stores data read * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_low_pass_rst_get(const stmdev_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_LPFP_RES, (uint8_t *) buff, 1); return ret; } /** * @} * */ /** * @defgroup LPS22HB_common * @brief This section group common useful functions * @{ * */ /** * @brief Device Who am I[get] * * @param ctx Read / write interface definitions * @param buff Buffer that stores data read * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_device_id_get(const stmdev_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_WHO_AM_I, (uint8_t *) buff, 1); return ret; } /** * @brief Software reset. Restore the default values in user registers[set] * * @param ctx Read / write interface definitions * @param val Change the values of swreset in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_reset_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.swreset = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); } return ret; } /** * @brief Software reset. Restore the default values in user registers[get] * * @param ctx Read / write interface definitions * @param val Change the values of swreset in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_reset_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); *val = ctrl_reg2.swreset; 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_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_boot_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.boot = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 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_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_boot_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); *val = ctrl_reg2.boot; return ret; } /** * @brief Low current mode.[set] * * @param ctx Read / write interface definitions * @param val Change the values of lc_en in reg RES_CONF * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_low_power_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_res_conf_t res_conf; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_RES_CONF, (uint8_t *)&res_conf, 1); if (ret == 0) { res_conf.lc_en = val; ret = lps22hb_write_reg(ctx, LPS22HB_RES_CONF, (uint8_t *)&res_conf, 1); } return ret; } /** * @brief Low current mode.[get] * * @param ctx Read / write interface definitions * @param val Change the values of lc_en in reg RES_CONF * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_low_power_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_res_conf_t res_conf; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_RES_CONF, (uint8_t *)&res_conf, 1); *val = res_conf.lc_en; return ret; } /** * @brief If ‘1’ indicates that the Boot (Reboot) phase is running.[get] * * @param ctx Read / write interface definitions * @param val Change the values of boot_status in reg INT_SOURCE * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_boot_status_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_int_source_t int_source; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INT_SOURCE, (uint8_t *)&int_source, 1); *val = int_source.boot_status; return ret; } /** * @brief All the status bit, FIFO and data generation[get] * * @param ctx Read / write interface definitions * @param val Structure of registers from FIFO_STATUS to STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_dev_status_get(const stmdev_ctx_t *ctx, lps22hb_dev_stat_t *val) { int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_STATUS, (uint8_t *) val, 2); return ret; } /** * @} * */ /** * @defgroup LPS22HB_interrupts * @brief This section group all the functions that manage interrupts * @{ * */ /** * @brief Enable interrupt generation on pressure low/high event.[set] * * @param ctx Read / write interface definitions * @param val Change the values of pe in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_sign_of_int_threshold_set(const stmdev_ctx_t *ctx, lps22hb_pe_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.pe = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Enable interrupt generation on pressure low/high event.[get] * * @param ctx Read / write interface definitions * @param val Get the values of pe in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_sign_of_int_threshold_get(const stmdev_ctx_t *ctx, lps22hb_pe_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); switch (interrupt_cfg.pe) { case LPS22HB_NO_THRESHOLD: *val = LPS22HB_NO_THRESHOLD; break; case LPS22HB_POSITIVE: *val = LPS22HB_POSITIVE; break; case LPS22HB_NEGATIVE: *val = LPS22HB_NEGATIVE; break; case LPS22HB_BOTH: *val = LPS22HB_BOTH; break; default: *val = LPS22HB_NO_THRESHOLD; break; } return ret; } /** * @brief Interrupt request to the INT_SOURCE (25h) register * mode (pulsed / latched) [set] * * @param ctx Read / write interface definitions * @param val Change the values of lir in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_notification_mode_set(const stmdev_ctx_t *ctx, lps22hb_lir_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.lir = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Interrupt request to the INT_SOURCE (25h) register * mode (pulsed / latched) [get] * * @param ctx Read / write interface definitions * @param val Get the values of lir in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_notification_mode_get(const stmdev_ctx_t *ctx, lps22hb_lir_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); switch (interrupt_cfg.lir) { case LPS22HB_INT_PULSED: *val = LPS22HB_INT_PULSED; break; case LPS22HB_INT_LATCHED: *val = LPS22HB_INT_LATCHED; break; default: *val = LPS22HB_INT_PULSED; break; } return ret; } /** * @brief Enable interrupt generation.[set] * * @param ctx Read / write interface definitions * @param val Change the values of diff_en in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_generation_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); if (ret == 0) { interrupt_cfg.diff_en = val; ret = lps22hb_write_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); } return ret; } /** * @brief Enable interrupt generation.[get] * * @param ctx Read / write interface definitions * @param val Change the values of diff_en in reg INTERRUPT_CFG * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_generation_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_interrupt_cfg_t interrupt_cfg; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INTERRUPT_CFG, (uint8_t *)&interrupt_cfg, 1); *val = interrupt_cfg.diff_en; return ret; } /** * @brief User-defined threshold value for pressure interrupt event[set] * * @param ctx Read / write interface definitions * @param buff Buffer that contains data to write * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_threshold_set(const stmdev_ctx_t *ctx, uint16_t val) { uint8_t buff[2]; int32_t ret; buff[1] = (uint8_t)(val / 256U); buff[0] = (uint8_t)(val - (buff[1] * 256U)); ret = lps22hb_write_reg(ctx, LPS22HB_THS_P_L, (uint8_t *) buff, 2); return ret; } /** * @brief User-defined threshold value for pressure interrupt event[get] * * @param ctx Read / write interface definitions * @param buff Buffer that stores data read * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_threshold_get(const stmdev_ctx_t *ctx, uint16_t *val) { uint8_t buff[2]; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_THS_P_L, (uint8_t *) buff, 2); *val = buff[1]; *val = (*val * 256) + buff[0]; return ret; } /** * @brief Data signal on INT_DRDY pin control bits.[set] * * @param ctx Read / write interface definitions * @param val Change the values of int_s in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_pin_mode_set(const stmdev_ctx_t *ctx, lps22hb_int_s_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.int_s = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief Data signal on INT_DRDY pin control bits.[get] * * @param ctx Read / write interface definitions * @param val Get the values of int_s in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_pin_mode_get(const stmdev_ctx_t *ctx, lps22hb_int_s_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); switch (ctrl_reg3.int_s) { case LPS22HB_DRDY_OR_FIFO_FLAGS: *val = LPS22HB_DRDY_OR_FIFO_FLAGS; break; case LPS22HB_HIGH_PRES_INT: *val = LPS22HB_HIGH_PRES_INT; break; case LPS22HB_LOW_PRES_INT: *val = LPS22HB_LOW_PRES_INT; break; case LPS22HB_EVERY_PRES_INT: *val = LPS22HB_EVERY_PRES_INT; break; default: *val = LPS22HB_DRDY_OR_FIFO_FLAGS; break; } return ret; } /** * @brief Data-ready signal on INT_DRDY pin.[set] * * @param ctx Read / write interface definitions * @param val Change the values of drdy in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_drdy_on_int_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.drdy = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief Data-ready signal on INT_DRDY pin.[get] * * @param ctx Read / write interface definitions * @param val Change the values of drdy in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_drdy_on_int_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); *val = ctrl_reg3.drdy; return ret; } /** * @brief FIFO overrun interrupt on INT_DRDY pin.[set] * * @param ctx Read / write interface definitions * @param val Change the values of f_ovr in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_ovr_on_int_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.f_ovr = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief FIFO overrun interrupt on INT_DRDY pin.[get] * * @param ctx Read / write interface definitions * @param val Change the values of f_ovr in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_ovr_on_int_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); *val = ctrl_reg3.f_ovr; return ret; } /** * @brief FIFO watermark status on INT_DRDY pin.[set] * * @param ctx Read / write interface definitions * @param val Change the values of f_fth in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_threshold_on_int_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.f_fth = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief FIFO watermark status on INT_DRDY pin.[get] * * @param ctx Read / write interface definitions * @param val Change the values of f_fth in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_threshold_on_int_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); *val = ctrl_reg3.f_fth; return ret; } /** * @brief FIFO full flag on INT_DRDY pin.[set] * * @param ctx Read / write interface definitions * @param val Change the values of f_fss5 in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_full_on_int_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.f_fss5 = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief FIFO full flag on INT_DRDY pin.[get] * * @param ctx Read / write interface definitions * @param val Change the values of f_fss5 in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_full_on_int_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); *val = ctrl_reg3.f_fss5; return ret; } /** * @brief Push-pull/open drain selection on interrupt pads.[set] * * @param ctx Read / write interface definitions * @param val Change the values of pp_od in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pin_mode_set(const stmdev_ctx_t *ctx, lps22hb_pp_od_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.pp_od = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief Push-pull/open drain selection on interrupt pads.[get] * * @param ctx Read / write interface definitions * @param val Get the values of pp_od in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_pin_mode_get(const stmdev_ctx_t *ctx, lps22hb_pp_od_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); switch (ctrl_reg3.pp_od) { case LPS22HB_PUSH_PULL: *val = LPS22HB_PUSH_PULL; break; case LPS22HB_OPEN_DRAIN: *val = LPS22HB_OPEN_DRAIN; break; default: *val = LPS22HB_PUSH_PULL; break; } return ret; } /** * @brief Interrupt active-high/low.[set] * * @param ctx Read / write interface definitions * @param val Change the values of int_h_l in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_polarity_set(const stmdev_ctx_t *ctx, lps22hb_int_h_l_t val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); if (ret == 0) { ctrl_reg3.int_h_l = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); } return ret; } /** * @brief Interrupt active-high/low.[get] * * @param ctx Read / write interface definitions * @param val Get the values of int_h_l in reg CTRL_REG3 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_polarity_get(const stmdev_ctx_t *ctx, lps22hb_int_h_l_t *val) { lps22hb_ctrl_reg3_t ctrl_reg3; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG3, (uint8_t *)&ctrl_reg3, 1); switch (ctrl_reg3.int_h_l) { case LPS22HB_ACTIVE_HIGH: *val = LPS22HB_ACTIVE_HIGH; break; case LPS22HB_ACTIVE_LOW: *val = LPS22HB_ACTIVE_LOW; break; default: *val = LPS22HB_ACTIVE_HIGH; break; } return ret; } /** * @brief Interrupt source register[get] * * @param ctx Read / write interface definitions * @param val Register INT_SOURCE * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_source_get(const stmdev_ctx_t *ctx, lps22hb_int_source_t *val) { int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INT_SOURCE, (uint8_t *) val, 1); return ret; } /** * @brief Differential pressure high interrupt flag.[get] * * @param ctx Read / write interface definitions * @param val Change the values of ph in reg INT_SOURCE * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_on_press_high_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_int_source_t int_source; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INT_SOURCE, (uint8_t *)&int_source, 1); *val = int_source.ph; return ret; } /** * @brief Differential pressure low interrupt flag.[get] * * @param ctx Read / write interface definitions * @param val Change the values of pl in reg INT_SOURCE * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_int_on_press_low_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_int_source_t int_source; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INT_SOURCE, (uint8_t *)&int_source, 1); *val = int_source.pl; return ret; } /** * @brief Interrupt active flag.[get] * * @param ctx Read / write interface definitions * @param val Change the values of ia in reg INT_SOURCE * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_interrupt_event_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_int_source_t int_source; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_INT_SOURCE, (uint8_t *)&int_source, 1); *val = int_source.ia; return ret; } /** * @} * */ /** * @defgroup LPS22HB_fifo * @brief This section group all the functions concerning the * fifo usage * @{ * */ /** * @brief Stop on FIFO watermark. Enable FIFO watermark level use.[set] * * @param ctx Read / write interface definitions * @param val Change the values of stop_on_fth in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_stop_on_fifo_threshold_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.stop_on_fth = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); } return ret; } /** * @brief Stop on FIFO watermark. Enable FIFO watermark level use.[get] * * @param ctx Read / write interface definitions * @param val Change the values of stop_on_fth in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_stop_on_fifo_threshold_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); *val = ctrl_reg2.stop_on_fth; return ret; } /** * @brief FIFO enable.[set] * * @param ctx Read / write interface definitions * @param val Change the values of fifo_en in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.fifo_en = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); } return ret; } /** * @brief FIFO enable.[get] * * @param ctx Read / write interface definitions * @param val Change the values of fifo_en in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); *val = ctrl_reg2.fifo_en; return ret; } /** * @brief FIFO watermark level selection.[set] * * @param ctx Read / write interface definitions * @param val Change the values of wtm in reg FIFO_CTRL * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_watermark_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_fifo_ctrl_t fifo_ctrl; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_CTRL, (uint8_t *)&fifo_ctrl, 1); if (ret == 0) { fifo_ctrl.wtm = val; ret = lps22hb_write_reg(ctx, LPS22HB_FIFO_CTRL, (uint8_t *)&fifo_ctrl, 1); } return ret; } /** * @brief FIFO watermark level selection.[get] * * @param ctx Read / write interface definitions * @param val Change the values of wtm in reg FIFO_CTRL * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_watermark_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_fifo_ctrl_t fifo_ctrl; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_CTRL, (uint8_t *)&fifo_ctrl, 1); *val = fifo_ctrl.wtm; return ret; } /** * @brief FIFO mode selection.[set] * * @param ctx Read / write interface definitions * @param val Change the values of f_mode in reg FIFO_CTRL * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_mode_set(const stmdev_ctx_t *ctx, lps22hb_f_mode_t val) { lps22hb_fifo_ctrl_t fifo_ctrl; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_CTRL, (uint8_t *)&fifo_ctrl, 1); if (ret == 0) { fifo_ctrl.f_mode = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_FIFO_CTRL, (uint8_t *)&fifo_ctrl, 1); } return ret; } /** * @brief FIFO mode selection.[get] * * @param ctx Read / write interface definitions * @param val Get the values of f_mode in reg FIFO_CTRL * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_mode_get(const stmdev_ctx_t *ctx, lps22hb_f_mode_t *val) { lps22hb_fifo_ctrl_t fifo_ctrl; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_CTRL, (uint8_t *)&fifo_ctrl, 1); switch (fifo_ctrl.f_mode) { case LPS22HB_BYPASS_MODE: *val = LPS22HB_BYPASS_MODE; break; case LPS22HB_FIFO_MODE: *val = LPS22HB_FIFO_MODE; break; case LPS22HB_STREAM_MODE: *val = LPS22HB_STREAM_MODE; break; case LPS22HB_STREAM_TO_FIFO_MODE: *val = LPS22HB_STREAM_TO_FIFO_MODE; break; case LPS22HB_BYPASS_TO_STREAM_MODE: *val = LPS22HB_BYPASS_TO_STREAM_MODE; break; case LPS22HB_DYNAMIC_STREAM_MODE: *val = LPS22HB_DYNAMIC_STREAM_MODE; break; case LPS22HB_BYPASS_TO_FIFO_MODE: *val = LPS22HB_BYPASS_TO_FIFO_MODE; break; default: *val = LPS22HB_BYPASS_MODE; break; } return ret; } /** * @brief FIFO stored data level.[get] * * @param ctx Read / write interface definitions * @param val Change the values of fss in reg FIFO_STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_data_level_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_fifo_status_t fifo_status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_STATUS, (uint8_t *)&fifo_status, 1); *val = fifo_status.fss; return ret; } /** * @brief FIFO overrun status.[get] * * @param ctx Read / write interface definitions * @param val Change the values of ovr in reg FIFO_STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_ovr_flag_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_fifo_status_t fifo_status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_STATUS, (uint8_t *)&fifo_status, 1); *val = fifo_status.ovr; return ret; } /** * @brief FIFO watermark status.[get] * * @param ctx Read / write interface definitions * @param val Change the values of fth_fifo in reg FIFO_STATUS * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_fifo_fth_flag_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_fifo_status_t fifo_status; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_FIFO_STATUS, (uint8_t *)&fifo_status, 1); *val = fifo_status.fth_fifo; return ret; } /** * @} * */ /** * @defgroup LPS22HB_serial_interface * @brief This section group all the functions concerning serial * interface management * @{ * */ /** * @brief SPI Serial Interface Mode selection.[set] * * @param ctx Read / write interface definitions * @param val Change the values of sim in reg CTRL_REG1 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_spi_mode_set(const stmdev_ctx_t *ctx, lps22hb_sim_t val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); if (ret == 0) { ctrl_reg1.sim = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 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_REG1 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_spi_mode_get(const stmdev_ctx_t *ctx, lps22hb_sim_t *val) { lps22hb_ctrl_reg1_t ctrl_reg1; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG1, (uint8_t *)&ctrl_reg1, 1); switch (ctrl_reg1.sim) { case LPS22HB_SPI_4_WIRE: *val = LPS22HB_SPI_4_WIRE; break; case LPS22HB_SPI_3_WIRE: *val = LPS22HB_SPI_3_WIRE; break; default: *val = LPS22HB_SPI_4_WIRE; break; } return ret; } /** * @brief Disable I2C interface.[set] * * @param ctx Read / write interface definitions * @param val Change the values of i2c_dis in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_i2c_interface_set(const stmdev_ctx_t *ctx, lps22hb_i2c_dis_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.i2c_dis = (uint8_t)val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); } return ret; } /** * @brief Disable I2C interface.[get] * * @param ctx Read / write interface definitions * @param val Get the values of i2c_dis in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_i2c_interface_get(const stmdev_ctx_t *ctx, lps22hb_i2c_dis_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); switch (ctrl_reg2.i2c_dis) { case LPS22HB_I2C_ENABLE: *val = LPS22HB_I2C_ENABLE; break; case LPS22HB_I2C_DISABLE: *val = LPS22HB_I2C_DISABLE; break; default: *val = LPS22HB_I2C_ENABLE; break; } return ret; } /** * @brief Register address automatically incremented during a * multiple byte access with a serial interface (I2C or SPI).[set] * * @param ctx Read / write interface definitions * @param val Change the values of if_add_inc in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_auto_add_inc_set(const stmdev_ctx_t *ctx, uint8_t val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); if (ret == 0) { ctrl_reg2.if_add_inc = val; ret = lps22hb_write_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); } return ret; } /** * @brief Register address automatically incremented during a * multiple byte access with a serial interface (I2C or SPI).[get] * * @param ctx Read / write interface definitions * @param val Change the values of if_add_inc in reg CTRL_REG2 * @retval Interface status (MANDATORY: return 0 -> no Error). * */ int32_t lps22hb_auto_add_inc_get(const stmdev_ctx_t *ctx, uint8_t *val) { lps22hb_ctrl_reg2_t ctrl_reg2; int32_t ret; ret = lps22hb_read_reg(ctx, LPS22HB_CTRL_REG2, (uint8_t *)&ctrl_reg2, 1); *val = ctrl_reg2.if_add_inc; return ret; } /** * @} * */ /** * @} * */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/