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lis2dw: add support for bandwidth filtering

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This commit is contained in:
Joey Castillo
2022-02-19 12:53:42 -05:00
parent efde4190f1
commit b1bec8f187
2 changed files with 39 additions and 1 deletions
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24
watch-library/shared/driver/lis2dw.c
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@@ -115,6 +115,30 @@ lis2dw_data_rate_t lis2dw_get_data_rate(void) {
return watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL1) >> 4;
}
void lis2dw_set_filter_type(lis2dw_filter_t bwfilter) {
uint8_t val = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL6) & ~(LIS2DW_CTRL6_VAL_FDS_HIGH);
uint8_t bits = bwfilter << 3;
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL6, val | bits);
}
lis2dw_filter_t lis2dw_get_filter_type(void) {
uint8_t retval = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL6) & (LIS2DW_CTRL6_VAL_FDS_HIGH);
retval >>= 3;
return (lis2dw_filter_t)retval;
}
void lis2dw_set_bandwidth_filtering(lis2dw_bandwidth_filtering_mode_t bwfilter) {
uint8_t val = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL6) & ~(LIS2DW_CTRL6_VAL_BANDWIDTH_DIV20);
uint8_t bits = bwfilter << 6;
watch_i2c_write8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL6, val | bits);
}
lis2dw_bandwidth_filtering_mode_t lis2dw_get_filtering(void) {
uint8_t retval = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL6) & (LIS2DW_CTRL6_VAL_BANDWIDTH_DIV20);
retval >>= 6;
return (lis2dw_bandwidth_filtering_mode_t)retval;
}
void lis2dw_set_low_power_mode(lis2dw_low_power_mode_t mode) {
uint8_t val = watch_i2c_read8(LIS2DW_ADDRESS, LIS2DW_REG_CTRL1) & ~(0b11);
uint8_t bits = mode & 0b11;