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drivers: sensor: Fix fxas21002 gyro units

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Fixes the fxas21002 sensor driver to provide gyro channel data in
radians/sec instead of degrees/sec.

Signed-off-by: Maureen Helm <maureen.helm@nxp.com>
This commit is contained in:
Maureen Helm 2020-12-07 15:15:26 -06:00 • committed by Anas Nashif
commit b0653e13dc
1 changed files with 4 additions and 2 deletions
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6
drivers/sensor/fxas21002/fxas21002.c
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@ -64,8 +64,10 @@ static void fxas21002_convert(struct sensor_value *val, int16_t raw,
{
int32_t micro_rad;
/* Convert units to micro radians per second.*/
micro_rad = (raw * 62500) >> range;
/* Convert units to micro radians per second.
* 62500 micro dps * 2*pi/360 = 1091 micro radians per second
*/
micro_rad = (raw * 1091) >> range;
val->val1 = micro_rad / 1000000;
val->val2 = micro_rad % 1000000;