LIS2MDL magnetometer modified library
Dependencies: X_NUCLEO_COMMON ST_INTERFACES
lis2mdl_reg.c
- Committer:
- cparata
- Date:
- 2019-07-24
- Revision:
- 1:8562ae1a0534
- Parent:
- 0:671edf39d961
File content as of revision 1:8562ae1a0534:
/* ****************************************************************************** * @file lis2mdl_reg.c * @author Sensors Software Solution Team * @brief LIS2MDL driver file ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2018 STMicroelectronics</center></h2> * * 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 "lis2mdl_reg.h" /** * @defgroup LIS2MDL * @brief This file provides a set of functions needed to drive the * lis2mdl enhanced inertial module. * @{ * */ /** * @defgroup LIS2MDL_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 lis2mdl_read_reg(lis2mdl_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 lis2mdl_write_reg(lis2mdl_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 LIS2MDL_Sensitivity * @brief These functions convert raw-data into engineering units. * @{ * */ float_t lis2mdl_from_lsb_to_mgauss(int16_t lsb) { return ((float_t)lsb * 1.5f); } float_t lis2mdl_from_lsb_to_celsius(int16_t lsb) { return (((float_t)lsb / 8.0f) + 25.0f); } /** * @} * */ /** * @defgroup LIS2MDL_data_generation * @brief This section group all the functions concerning * data generation * @{ * */ /** * @brief These registers comprise a 3 group of 16-bit number and represent * hard-iron offset in order to compensate environmental effects. * Data format is the same of output data raw: two’s complement * with 1LSb = 1.5mG. These values act on the magnetic output data * value in order to delete the environmental offset.[set] * * @param ctx read / write interface definitions.(ptr) * @param buff buffer that contains data to write * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_mag_user_offset_set(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_write_reg(ctx, LIS2MDL_OFFSET_X_REG_L, buff, 6); return ret; } /** * @brief These registers comprise a 3 group of 16-bit number and represent * hard-iron offset in order to compensate environmental effects. * Data format is the same of output data raw: two’s complement * with 1LSb = 1.5mG. These values act on the magnetic output data * value in order to delete the environmental offset.[get] * * @param ctx read / write interface definitions.(ptr) * @param buff that stores data read * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_mag_user_offset_get(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_OFFSET_X_REG_L, buff, 6); return ret; } /** * @brief Operating mode selection.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of md in reg CFG_REG_A * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_operating_mode_set(lis2mdl_ctx_t *ctx, lis2mdl_md_t val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); if (ret == 0) { reg.md = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); } return ret; } /** * @brief Operating mode selection.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of md in reg CFG_REG_A.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_operating_mode_get(lis2mdl_ctx_t *ctx, lis2mdl_md_t *val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); switch (reg.md) { case LIS2MDL_POWER_DOWN: *val = LIS2MDL_POWER_DOWN; break; case LIS2MDL_CONTINUOUS_MODE: *val = LIS2MDL_CONTINUOUS_MODE; break; case LIS2MDL_SINGLE_TRIGGER: *val = LIS2MDL_SINGLE_TRIGGER; break; default: *val = LIS2MDL_POWER_DOWN; break; } return ret; } /** * @brief Output data rate selection.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of odr in reg CFG_REG_A * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_data_rate_set(lis2mdl_ctx_t *ctx, lis2mdl_odr_t val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); if (ret == 0) { reg.odr = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); } return ret; } /** * @brief Output data rate selection.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of odr in reg CFG_REG_A.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_data_rate_get(lis2mdl_ctx_t *ctx, lis2mdl_odr_t *val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); switch (reg.odr) { case LIS2MDL_ODR_10Hz: *val = LIS2MDL_ODR_10Hz; break; case LIS2MDL_ODR_20Hz: *val = LIS2MDL_ODR_20Hz; break; case LIS2MDL_ODR_50Hz: *val = LIS2MDL_ODR_50Hz; break; case LIS2MDL_ODR_100Hz: *val = LIS2MDL_ODR_100Hz; break; default: *val = LIS2MDL_ODR_10Hz; break; } return ret; } /** * @brief Enables high-resolution/low-power mode.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of lp in reg CFG_REG_A * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_power_mode_set(lis2mdl_ctx_t *ctx, lis2mdl_lp_t val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); if (ret == 0) { reg.lp = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); } return ret; } /** * @brief Enables high-resolution/low-power mode.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of lp in reg CFG_REG_A.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_power_mode_get(lis2mdl_ctx_t *ctx, lis2mdl_lp_t *val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); switch (reg.lp) { case LIS2MDL_HIGH_RESOLUTION: *val = LIS2MDL_HIGH_RESOLUTION; break; case LIS2MDL_LOW_POWER: *val = LIS2MDL_LOW_POWER; break; default: *val = LIS2MDL_HIGH_RESOLUTION; break; } return ret; } /** * @brief Enables the magnetometer temperature compensation.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of comp_temp_en in reg CFG_REG_A * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_offset_temp_comp_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); if (ret == 0) { reg.comp_temp_en = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); } return ret; } /** * @brief Enables the magnetometer temperature compensation.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of comp_temp_en in reg CFG_REG_A.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_offset_temp_comp_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); *val = reg.comp_temp_en; return ret; } /** * @brief Low-pass bandwidth selection.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of lpf in reg CFG_REG_B * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_low_pass_bandwidth_set(lis2mdl_ctx_t *ctx, lis2mdl_lpf_t val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); if (ret == 0) { reg.lpf = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); } return ret; } /** * @brief Low-pass bandwidth selection.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of lpf in reg CFG_REG_B.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_low_pass_bandwidth_get(lis2mdl_ctx_t *ctx, lis2mdl_lpf_t *val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); switch (reg.lpf) { case LIS2MDL_ODR_DIV_2: *val = LIS2MDL_ODR_DIV_2; break; case LIS2MDL_ODR_DIV_4: *val = LIS2MDL_ODR_DIV_4; break; default: *val = LIS2MDL_ODR_DIV_2; break; } return ret; } /** * @brief Reset mode.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of set_rst in reg CFG_REG_B * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_set_rst_mode_set(lis2mdl_ctx_t *ctx, lis2mdl_set_rst_t val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); if (ret == 0) { reg.set_rst = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); } return ret; } /** * @brief Reset mode.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of set_rst in reg CFG_REG_B.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_set_rst_mode_get(lis2mdl_ctx_t *ctx, lis2mdl_set_rst_t *val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); switch (reg.set_rst) { case LIS2MDL_SET_SENS_ODR_DIV_63: *val = LIS2MDL_SET_SENS_ODR_DIV_63; break; case LIS2MDL_SENS_OFF_CANC_EVERY_ODR: *val = LIS2MDL_SENS_OFF_CANC_EVERY_ODR; break; case LIS2MDL_SET_SENS_ONLY_AT_POWER_ON: *val = LIS2MDL_SET_SENS_ONLY_AT_POWER_ON; break; default: *val = LIS2MDL_SET_SENS_ODR_DIV_63; break; } return ret; } /** * @brief Enables offset cancellation in single measurement mode. * The OFF_CANC bit must be set to 1 when enabling offset * cancellation in single measurement mode this means a * call function: set_rst_mode(SENS_OFF_CANC_EVERY_ODR) * is need.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of off_canc_one_shot in reg CFG_REG_B * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_set_rst_sensor_single_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); if (ret == 0) { reg.off_canc_one_shot = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); } return ret; } /** * @brief Enables offset cancellation in single measurement mode. * The OFF_CANC bit must be set to 1 when enabling offset * cancellation in single measurement mode this means a * call function: set_rst_mode(SENS_OFF_CANC_EVERY_ODR) * is need.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of off_canc_one_shot in reg CFG_REG_B.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_set_rst_sensor_single_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); *val = reg.off_canc_one_shot; return ret; } /** * @brief Blockdataupdate.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of bdu in reg CFG_REG_C * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_block_data_update_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); if (ret == 0) { reg.bdu = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); } return ret; } /** * @brief Blockdataupdate.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of bdu in reg CFG_REG_C.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_block_data_update_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); *val = reg.bdu; return ret; } /** * @brief Magnetic set of data available.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of zyxda in reg STATUS_REG.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_mag_data_ready_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_status_reg_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_STATUS_REG, (uint8_t *)®, 1); *val = reg.zyxda; return ret; } /** * @brief Magnetic set of data overrun.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of zyxor in reg STATUS_REG.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_mag_data_ovr_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_status_reg_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_STATUS_REG, (uint8_t *)®, 1); *val = reg.zyxor; return ret; } /** * @brief Magnetic output value.[get] * * @param ctx read / write interface definitions.(ptr) * @param buff that stores data read * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_magnetic_raw_get(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_OUTX_L_REG, buff, 6); return ret; } /** * @brief Temperature output value.[get] * * @param ctx read / write interface definitions.(ptr) * @param buff that stores data read * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_temperature_raw_get(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_TEMP_OUT_L_REG, buff, 2); return ret; } /** * @} * */ /** * @defgroup LIS2MDL_common * @brief This section group common usefull functions * @{ * */ /** * @brief DeviceWhoamI.[get] * * @param ctx read / write interface definitions.(ptr) * @param buff that stores data read * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_device_id_get(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_WHO_AM_I, buff, 1); return ret; } /** * @brief Software reset. Restore the default values in user registers.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of soft_rst in reg CFG_REG_A * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_reset_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); if (ret == 0) { reg.soft_rst = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); } return ret; } /** * @brief Software reset. Restore the default values in user registers.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of soft_rst in reg CFG_REG_A.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_reset_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); *val = reg.soft_rst; return ret; } /** * @brief Reboot memory content. Reload the calibration parameters.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of reboot in reg CFG_REG_A * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_boot_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); if (ret == 0) { reg.reboot = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); } return ret; } /** * @brief Reboot memory content. Reload the calibration parameters.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of reboot in reg CFG_REG_A.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_boot_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_a_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_A, (uint8_t *)®, 1); *val = reg.reboot; return ret; } /** * @brief Selftest.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of self_test in reg CFG_REG_C * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_self_test_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); if (ret == 0) { reg.self_test = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); } return ret; } /** * @brief Selftest.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of self_test in reg CFG_REG_C.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_self_test_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); *val = reg.self_test; return ret; } /** * @brief Big/Little Endian data selection.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of ble in reg CFG_REG_C * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_data_format_set(lis2mdl_ctx_t *ctx, lis2mdl_ble_t val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); if (ret == 0) { reg.ble = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); } return ret; } /** * @brief Big/Little Endian data selection.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of ble in reg CFG_REG_C.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_data_format_get(lis2mdl_ctx_t *ctx, lis2mdl_ble_t *val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); switch (reg.ble) { case LIS2MDL_LSB_AT_LOW_ADD: *val = LIS2MDL_LSB_AT_LOW_ADD; break; case LIS2MDL_MSB_AT_LOW_ADD: *val = LIS2MDL_MSB_AT_LOW_ADD; break; default: *val = LIS2MDL_LSB_AT_LOW_ADD; break; } return ret; } /** * @brief Info about device status.[get] * * @param ctx read / write interface definitions.(ptr) * @param val registers STATUS_REG.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_status_get(lis2mdl_ctx_t *ctx, lis2mdl_status_reg_t *val) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_STATUS_REG, (uint8_t *) val, 1); return ret; } /** * @} * */ /** * @defgroup LIS2MDL_interrupts * @brief This section group all the functions that manage interrupts * @{ * */ /** * @brief The interrupt block recognition checks data after/before the * hard-iron correction to discover the interrupt.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of int_on_dataoff in reg CFG_REG_B * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_offset_int_conf_set(lis2mdl_ctx_t *ctx, lis2mdl_int_on_dataoff_t val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); if (ret == 0) { reg.int_on_dataoff = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); } return ret; } /** * @brief The interrupt block recognition checks data after/before the * hard-iron correction to discover the interrupt.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of int_on_dataoff in reg CFG_REG_B.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_offset_int_conf_get(lis2mdl_ctx_t *ctx, lis2mdl_int_on_dataoff_t *val) { lis2mdl_cfg_reg_b_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_B, (uint8_t *)®, 1); switch (reg.int_on_dataoff) { case LIS2MDL_CHECK_BEFORE: *val = LIS2MDL_CHECK_BEFORE; break; case LIS2MDL_CHECK_AFTER: *val = LIS2MDL_CHECK_AFTER; break; default: *val = LIS2MDL_CHECK_BEFORE; break; } return ret; } /** * @brief Data-ready signal on INT_DRDY pin.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of drdy_on_pin in reg CFG_REG_C * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_drdy_on_pin_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); if (ret == 0) { reg.drdy_on_pin = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); } return ret; } /** * @brief Data-ready signal on INT_DRDY pin.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of drdy_on_pin in reg CFG_REG_C.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_drdy_on_pin_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); *val = reg.drdy_on_pin; return ret; } /** * @brief Interrupt signal on INT_DRDY pin.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of int_on_pin in reg CFG_REG_C * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_on_pin_set(lis2mdl_ctx_t *ctx, uint8_t val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); if (ret == 0) { reg.int_on_pin = val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); } return ret; } /** * @brief Interrupt signal on INT_DRDY pin.[get] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of int_on_pin in reg CFG_REG_C.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_on_pin_get(lis2mdl_ctx_t *ctx, uint8_t *val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); *val = reg.int_on_pin; return ret; } /** * @brief Interrupt generator configuration register.[set] * * @param ctx read / write interface definitions.(ptr) * @param val registers INT_CRTL_REG.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_gen_conf_set(lis2mdl_ctx_t *ctx, lis2mdl_int_crtl_reg_t *val) { int32_t ret; ret = lis2mdl_write_reg(ctx, LIS2MDL_INT_CRTL_REG, (uint8_t *) val, 1); return ret; } /** * @brief Interrupt generator configuration register.[get] * * @param ctx read / write interface definitions.(ptr) * @param val registers INT_CRTL_REG.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_gen_conf_get(lis2mdl_ctx_t *ctx, lis2mdl_int_crtl_reg_t *val) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_INT_CRTL_REG, (uint8_t *) val, 1); return ret; } /** * @brief Interrupt generator source register.[get] * * @param ctx read / write interface definitions.(ptr) * @param val registers INT_SOURCE_REG.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_gen_source_get(lis2mdl_ctx_t *ctx, lis2mdl_int_source_reg_t *val) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_INT_SOURCE_REG, (uint8_t *) val, 1); return ret; } /** * @brief User-defined threshold value for xl interrupt event on generator. * Data format is the same of output data raw: two’s complement with * 1LSb = 1.5mG.[set] * * @param ctx read / write interface definitions.(ptr) * @param buff that contains data to write * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_gen_treshold_set(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_write_reg(ctx, LIS2MDL_INT_THS_L_REG, buff, 2); return ret; } /** * @brief User-defined threshold value for xl interrupt event on generator. * Data format is the same of output data raw: two’s complement with * 1LSb = 1.5mG.[get] * * @param ctx read / write interface definitions.(ptr) * @param buff that stores data read * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_int_gen_treshold_get(lis2mdl_ctx_t *ctx, uint8_t *buff) { int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_INT_THS_L_REG, buff, 2); return ret; } /** * @} * */ /** * @defgroup LIS2MDL_serial_interface * @brief This section group all the functions concerning serial * interface management * @{ * */ /** * @brief Enable/Disable I2C interface.[set] * * @param ctx read / write interface definitions.(ptr) * @param val change the values of i2c_dis in reg CFG_REG_C * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_i2c_interface_set(lis2mdl_ctx_t *ctx, lis2mdl_i2c_dis_t val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); if (ret == 0) { reg.i2c_dis = (uint8_t)val; ret = lis2mdl_write_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); } return ret; } /** * @brief Enable/Disable I2C interface.[get] * * @param ctx read / write interface definitions.(ptr) * @param val Get the values of i2c_dis in reg CFG_REG_C.(ptr) * @retval interface status.(MANDATORY: return 0 -> no Error) * */ int32_t lis2mdl_i2c_interface_get(lis2mdl_ctx_t *ctx, lis2mdl_i2c_dis_t *val) { lis2mdl_cfg_reg_c_t reg; int32_t ret; ret = lis2mdl_read_reg(ctx, LIS2MDL_CFG_REG_C, (uint8_t *)®, 1); switch (reg.i2c_dis) { case LIS2MDL_I2C_ENABLE: *val = LIS2MDL_I2C_ENABLE; break; case LIS2MDL_I2C_DISABLE: *val = LIS2MDL_I2C_DISABLE; break; default: *val = LIS2MDL_I2C_ENABLE; break; } return ret; } /** * @} * */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/