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lis2dh12_reg.c
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lis2dh12_reg.c
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/**
******************************************************************************
* @file lis2dh12_reg.c
* @author Sensors Software Solution Team
* @brief LIS2DH12 driver file
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2021 STMicroelectronics.
* All rights reserved.</center></h2>
*
* 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 "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 __weak lis2dh12_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 lis2dh12_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 LIS2DH12_Sensitivity
* @brief These functions convert raw-data into engineering units.
* @{
*
*/
float_t lis2dh12_from_fs2_hr_to_mg(int16_t lsb)
{
return ((float_t)lsb / 16.0f) * 1.0f;
}
float_t lis2dh12_from_fs4_hr_to_mg(int16_t lsb)
{
return ((float_t)lsb / 16.0f) * 2.0f;
}
float_t lis2dh12_from_fs8_hr_to_mg(int16_t lsb)
{
return ((float_t)lsb / 16.0f) * 4.0f;
}
float_t lis2dh12_from_fs16_hr_to_mg(int16_t lsb)
{
return ((float_t)lsb / 16.0f) * 12.0f;
}
float_t lis2dh12_from_lsb_hr_to_celsius(int16_t lsb)
{
return (((float_t)lsb / 64.0f) / 4.0f) + 25.0f;
}
float_t lis2dh12_from_fs2_nm_to_mg(int16_t lsb)
{
return ((float_t)lsb / 64.0f) * 4.0f;
}
float_t lis2dh12_from_fs4_nm_to_mg(int16_t lsb)
{
return ((float_t)lsb / 64.0f) * 8.0f;
}
float_t lis2dh12_from_fs8_nm_to_mg(int16_t lsb)
{
return ((float_t)lsb / 64.0f) * 16.0f;
}
float_t lis2dh12_from_fs16_nm_to_mg(int16_t lsb)
{
return ((float_t)lsb / 64.0f) * 48.0f;
}
float_t lis2dh12_from_lsb_nm_to_celsius(int16_t lsb)
{
return (((float_t)lsb / 64.0f) / 4.0f) + 25.0f;
}
float_t lis2dh12_from_fs2_lp_to_mg(int16_t lsb)
{
return ((float_t)lsb / 256.0f) * 16.0f;
}
float_t lis2dh12_from_fs4_lp_to_mg(int16_t lsb)
{
return ((float_t)lsb / 256.0f) * 32.0f;
}
float_t lis2dh12_from_fs8_lp_to_mg(int16_t lsb)
{
return ((float_t)lsb / 256.0f) * 64.0f;
}
float_t lis2dh12_from_fs16_lp_to_mg(int16_t lsb)
{
return ((float_t)lsb / 256.0f) * 192.0f;
}
float_t lis2dh12_from_lsb_lp_to_celsius(int16_t lsb)
{
return (((float_t)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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_ctx_t *ctx, int16_t *val)
{
uint8_t buff[2];
int32_t ret;
ret = lis2dh12_read_reg(ctx, LIS2DH12_OUT_TEMP_L, buff, 2);
*val = (int16_t)buff[1];
*val = (*val * 256) + (int16_t)buff[0];
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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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;
}
else 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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_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(const stmdev_ctx_t *ctx, int16_t *val)
{
uint8_t buff[6];
int32_t ret;
ret = lis2dh12_read_reg(ctx, LIS2DH12_OUT_X_L, buff, 6);
val[0] = (int16_t)buff[1];
val[0] = (val[0] * 256) + (int16_t)buff[0];
val[1] = (int16_t)buff[3];
val[1] = (val[1] * 256) + (int16_t)buff[2];
val[2] = (int16_t)buff[5];
val[2] = (val[2] * 256) + (int16_t)buff[4];
return ret;
}
/**
* @}
*
*/
/**
* @defgroup LIS2DH12_Common
* @brief This section group common useful 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(const stmdev_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(const stmdev_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(const stmdev_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);