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This commit is contained in:
William Clark 2024-01-07 17:54:56 +00:00
parent 33c6e45db5
commit f5e6e346cf
8 changed files with 22 additions and 22 deletions
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2
example/4d-movement.c
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@ -75,7 +75,7 @@ int main() {
lis.cfg.int1.latch = 1;
/* set up a HP filter to ignore constant earth acceleration */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.ia1 = 1; /* enable filter for INT1 generator */

2
example/4d-position.c
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@ -75,7 +75,7 @@ int main() {
lis.cfg.int1.latch = 1;
/* set up a HP filter to ignore constant earth acceleration */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.ia1 = 1; /* enable filter for INT1 generator */

2
example/6d-movement.c
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@ -76,7 +76,7 @@ int main() {
lis.cfg.int1.latch = 1;
/* set up a HP filter to ignore constant earth acceleration */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.ia1 = 1; /* enable filter for INT1 generator */

2
example/6d-position.c
View File

@ -76,7 +76,7 @@ int main() {
lis.cfg.int1.latch = 1;
/* set up a HP filter to ignore constant earth acceleration */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.ia1 = 1; /* enable filter for INT1 generator */

2
example/double-click.c
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@ -52,7 +52,7 @@ int main() {
lis.cfg.range = LIS3DH_FS_2G;
lis.cfg.rate = LIS3DH_ODR_400_HZ; /* minimum recommended ODR */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.click = 1; /* enable filtering for CLICK function */

2
example/inertial-wakeup.c
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@ -76,7 +76,7 @@ int main() {
lis.cfg.int1.latch = 1;
/* set up a HP filter to ignore constant earth acceleration */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.ia1 = 1; /* enable filter for INT1 generator */

2
example/single-click.c
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@ -39,7 +39,7 @@ int main() {
lis.cfg.mode = LIS3DH_MODE_HR;
lis.cfg.range = LIS3DH_FS_2G;
lis.cfg.rate = LIS3DH_ODR_400_HZ; /* minimum recommended ODR */
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL_REF;
lis.cfg.filter.mode = LIS3DH_FILTER_MODE_NORMAL;
lis.cfg.filter.cutoff = LIS3DH_FILTER_CUTOFF_8;
lis.cfg.filter.click = 1; /* enable filtering for CLICK function */

30
lis3dh.h
View File

@ -36,6 +36,7 @@
#define LIS3DH_STATUS_ZOR(c) (!!(c & 0x40)) /* Z-axis data has overrun (been overwritten) */
#define LIS3DH_STATUS_ZYXOR(c) (!!(c & 0x80)) /* {Z,Y,X}-axis data has overrun (been overwritten) */
/* rates */
/* all power modes */
#define LIS3DH_ODR_POWEROFF 0x00
@ -52,17 +53,20 @@
#define LIS3DH_ODR_LP_1600_HZ 0x08
#define LIS3DH_ODR_LP_5376_HZ 0x09
/* range/sens */
#define LIS3DH_FS_2G 0x00 /* Full-scale sensing range: ± 2G */
#define LIS3DH_FS_4G 0x01 /* Full-scale sensing range: ± 4G */
#define LIS3DH_FS_8G 0x02 /* Full-scale sensing range: ± 8G */
#define LIS3DH_FS_16G 0x03 /* Full-scale sensing range: ± 16G */
/* operating modes */
#define LIS3DH_MODE_HR 0x00 /* High resolution: 12-bit */
#define LIS3DH_MODE_LP 0x01 /* Low-power: 8-bit */
#define LIS3DH_MODE_NORMAL 0x02 /* Normal: 10-bit */
/* FIFO modes */
/* FIFO is not operational, and the buffer is reset. Must be used for switching FIFO modes */
#define LIS3DH_FIFO_MODE_BYPASS 0x00
@ -77,11 +81,7 @@
#define LIS3DH_FIFO_TRIG_INT1 0x00
#define LIS3DH_FIFO_TRIG_INT2 0x01
/* filter modes */
/* Normal mode
* but reset by reading REFERENCE, instantly removes the DC component
*/
#define LIS3DH_FILTER_MODE_NORMAL_REF 0x00
/* Reference mode
* Output [x y z] data is calculated as the difference between the
* measured acceleration and the value stored in REFERENCE.
@ -89,31 +89,31 @@
* FS_2G: ~ 16mg per 1 LSb
* FS_4G: ~ 31mg per 1 LSb
* FS_8G: ~ 63mg per 1 LSb
* FS_16G: ~127mg per 1 LSb
* */
* FS_16G: ~127mg per 1 LSb */
#define LIS3DH_FILTER_MODE_REFERENCE 0x01
/* Normal mode
* Probably the same as LIS3DH_FILTER_MODE_NORMAL_REF
*/
* Probably the same as 0x00 */
#define LIS3DH_FILTER_MODE_NORMAL 0x02
/* Autoreset mode
* The filter is automatically reset upon configured interrupt event.
* It can be reset at any time by reading REFERENCE.
*/
* It can be reset at any time by reading REFERENCE. */
#define LIS3DH_FILTER_MODE_AUTORESET 0x03
/* filter cutoff */
/* unfortunately, there is only a table for low-power mode,
and the actual cutoff-frequency depends on the ODR.
Naming scheme after ODR@400Hz
AN3308 > section 4.3.1.1 */
* and the actual cutoff-frequency depends on the ODR.
* Naming scheme after ODR@400Hz
* AN3308 > section 4.3.1.1 */
#define LIS3DH_FILTER_CUTOFF_8 0x00 /* highest freq */
#define LIS3DH_FILTER_CUTOFF_4 0x01
#define LIS3DH_FILTER_CUTOFF_2 0x02
#define LIS3DH_FILTER_CUTOFF_1 0x03 /* lowest freq */
/* Note: IA{1,2} is interrupt activity {1,2} or interrupt generators */
/* Note: IA{1,2} is interrupt activity {1,2} or interrupt generators */
/* user provided functions, init and deinit can be set to NULL and won't be used */
struct lis3dh_device {
int (*init)(void);