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read REFERENCE

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This commit is contained in:
William Clark 2023-12-29 18:19:11 +00:00
parent 84e6fa4caa
commit 9c3f912d1a
2 changed files with 10 additions and 2 deletions
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7
lis3dh.c
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@ -348,4 +348,11 @@ int lis3dh_clear_int1(lis3dh_t *lis3dh) {
int lis3dh_clear_int2(lis3dh_t *lis3dh) {
uint8_t res;
return lis3dh->dev.read(REG_INT2_SRC, &res, 1);
}
/* read REFERENCE reg to reset HP filter in REFERENCE mode
it uses the --current-- acceleration as the base in the filter */
int lis3dh_reference(lis3dh_t *lis3dh) {
uint8_t res;
return lis3dh->dev.read(REG_REFERENCE, &res, 1);
}

5
lis3dh.h
View File

@ -70,7 +70,7 @@ struct lis3dh_int2_config {
uint8_t boot; /* enable BOOT on pin 2 */
uint8_t act; /* interrupt on activity */
uint8_t polarity; /* INT1 & INT2 polarity. 0 active high, 1 active low */
uint8_t latch;
uint8_t latch; /* latch interrupt until cleared */
};
struct lis3dh_int1_config {
@ -81,7 +81,7 @@ struct lis3dh_int1_config {
uint8_t drdy_321; /* not sure */
uint8_t wtm; /* FIFO reached watermark level */
uint8_t overrun; /* FIFO has overrun */
uint8_t latch;
uint8_t latch; /* latch interrupt until cleared */
};
struct lis3dh_filter_config {
@ -140,6 +140,7 @@ int lis3dh_poll_fifo(lis3dh_t *lis3dh);
int lis3dh_read_fifo(lis3dh_t *lis3dh, struct lis3dh_fifo_data *fifo);
int lis3dh_clear_int1(lis3dh_t *lis3dh);
int lis3dh_clear_int2(lis3dh_t *lis3dh);
int lis3dh_reference(lis3dh_t *lis3dh);