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drivers: sensors: lis2dh: add attr to set HP filters

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Add ability to set High Pass filter on AOI function on interrupt 1 or 2.

Signed-off-by: Kiril Petrov <retfie@gmail.com>
This commit is contained in:
Kiril Petrov 2022-10-03 15:13:30 +03:00 • committed by Maureen Helm
commit 5801ab2231
4 changed files with 32 additions and 0 deletions
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3
drivers/sensor/lis2dh/Kconfig
View file

@ -141,6 +141,9 @@ config LIS2DH_ODR_9_LOW
endchoice
config LIS2DH_ACCEL_HP_FILTERS
bool "Set High Pass filters for AOI functions on interrupt lines"
config LIS2DH_BLOCK_DATA_UPDATE
bool "Output registers not updated until MSB and LSB read"

4
drivers/sensor/lis2dh/lis2dh.c
View file

@ -289,6 +289,10 @@ static int lis2dh_acc_config(const struct device *dev,
case SENSOR_ATTR_SLOPE_TH:
case SENSOR_ATTR_SLOPE_DUR:
return lis2dh_acc_slope_config(dev, attr, val);
#endif
#ifdef CONFIG_LIS2DH_ACCEL_HP_FILTERS
case SENSOR_ATTR_CONFIGURATION:
return lis2dh_acc_hp_filter_set(dev, val->val1);
#endif
default:
LOG_DBG("Accel attribute not supported.");

9
drivers/sensor/lis2dh/lis2dh.h
View file

@ -87,9 +87,13 @@
#define LIS2DH_ODR_MASK (BIT_MASK(4) << LIS2DH_ODR_SHIFT)
#define LIS2DH_REG_CTRL2 0x21
#define LIS2DH_HPIS1_EN_BIT BIT(0)
#define LIS2DH_HPIS2_EN_BIT BIT(1)
#define LIS2DH_FDS_EN_BIT BIT(3)
#define LIS2DH_HPIS_EN_SHIFT 0
#define LIS2DH_HPIS_EN_MASK BIT_MASK(2) << LIS2DH_HPIS_EN_SHIFT
#define LIS2DH_REG_CTRL3 0x22
#define LIS2DH_EN_DRDY1_INT1_SHIFT 4
#define LIS2DH_EN_DRDY1_INT1 BIT(LIS2DH_EN_DRDY1_INT1_SHIFT)
@ -285,6 +289,11 @@ int lis2dh_acc_slope_config(const struct device *dev,
const struct sensor_value *val);
#endif
#ifdef CONFIG_LIS2DH_ACCEL_HP_FILTERS
int lis2dh_acc_hp_filter_set(const struct device *dev,
int32_t val);
#endif
int lis2dh_spi_init(const struct device *dev);
int lis2dh_i2c_init(const struct device *dev);

16
drivers/sensor/lis2dh/lis2dh_trigger.c
View file

@ -265,6 +265,22 @@ int lis2dh_acc_slope_config(const struct device *dev,
return status;
}
#ifdef CONFIG_LIS2DH_ACCEL_HP_FILTERS
int lis2dh_acc_hp_filter_set(const struct device *dev, int32_t val)
{
struct lis2dh_data *lis2dh = dev->data;
int status;
status = lis2dh->hw_tf->update_reg(dev, LIS2DH_REG_CTRL2,
LIS2DH_HPIS_EN_MASK, val);
if (status < 0) {
LOG_ERR("Failed to set high pass filters");
}
return status;
}
#endif
static void lis2dh_gpio_int1_callback(const struct device *dev,
struct gpio_callback *cb, uint32_t pins)
{