michaelh/zephyr
1
0
Fork 0
Code Releases Activity

drivers/sensor: lis2dw12: add bw_filt support

Browse source 
Add bandwidth filter support. (BW_FILT in CTRL6)
Value is configurable through DT per instance.

Signed-off-by: Maxime Vincent <maxime@veemax.be>
This commit is contained in:
Maxime Vincent 2022-03-18 18:10:23 +01:00 • committed by Anas Nashif
commit 47021a608d
3 changed files with 24 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
drivers/sensor/lis2dw12/lis2dw12.c
View file

@ -289,6 +289,9 @@ static int lis2dw12_init(const struct device *dev)
return ret;
}
LOG_DBG("bandwidth filter is %u", (int)cfg->bw_filt);
lis2dw12_filter_bandwidth_set(ctx, cfg->bw_filt);
#ifdef CONFIG_LIS2DW12_TRIGGER
if (lis2dw12_init_interrupt(dev) < 0) {
LOG_ERR("Failed to initialize interrupts");
@ -363,6 +366,7 @@ static int lis2dw12_init(const struct device *dev)
}, \
.pm = DT_INST_PROP(inst, power_mode), \
.range = DT_INST_PROP(inst, range), \
.bw_filt = DT_INST_PROP(inst, bw_filt), \
LIS2DW12_CONFIG_TAP(inst) \
COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios), \
(LIS2DW12_CFG_IRQ(inst)), ()) \
@ -387,6 +391,7 @@ static int lis2dw12_init(const struct device *dev)
}, \
.pm = DT_INST_PROP(inst, power_mode), \
.range = DT_INST_PROP(inst, range), \
.bw_filt = DT_INST_PROP(inst, bw_filt), \
LIS2DW12_CONFIG_TAP(inst) \
COND_CODE_1(DT_INST_NODE_HAS_PROP(inst, irq_gpios), \
(LIS2DW12_CFG_IRQ(inst)), ()) \

1
drivers/sensor/lis2dw12/lis2dw12.h
View file

@ -68,6 +68,7 @@ struct lis2dw12_device_config {
} stmemsc_cfg;
lis2dw12_mode_t pm;
uint8_t range;
uint8_t bw_filt;
#ifdef CONFIG_LIS2DW12_TRIGGER
struct gpio_dt_spec gpio_int;
uint8_t int_pin;

18
dts/bindings/sensor/st,lis2dw12-common.yaml
View file

@ -48,6 +48,24 @@ properties:
- 4
- 2
bw-filt:
type: int
required: false
default: 0
description: |
Digital filtering cutoff bandwidth. Default is power-up configuration.
3 # ODR/20 (HP/LP)
2 # ODR/10 (HP/LP)
1 # ODR/ 4 (HP/LP)
0 # ODR/ 2 (up to ODR = 800 Hz, 400 Hz when ODR = 1600 Hz)
enum:
- 3
- 2
- 1
- 0
power-mode:
type: int
required: false