diff options
Diffstat (limited to 'watch-library/shared/driver/lis2dw.c')
| -rw-r--r-- | watch-library/shared/driver/lis2dw.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/watch-library/shared/driver/lis2dw.c b/watch-library/shared/driver/lis2dw.c index b2c93d85..1b1ecf11 100644 --- a/watch-library/shared/driver/lis2dw.c +++ b/watch-library/shared/driver/lis2dw.c @@ -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; |