unsigned int gyro_max_scale;
unsigned int accel_max_val;
unsigned int accel_max_scale;
+ unsigned int temp_scale;
};
enum adis16480_int_pin {
const struct iio_chan_spec *chan, int *val, int *val2, long info)
{
struct adis16480 *st = iio_priv(indio_dev);
+ unsigned int temp;
switch (info) {
case IIO_CHAN_INFO_RAW:
*val2 = 100; /* 0.0001 gauss */
return IIO_VAL_INT_PLUS_MICRO;
case IIO_TEMP:
- *val = 5;
- *val2 = 650000; /* 5.65 milli degree Celsius */
+ /*
+ * +85 degrees Celsius = temp_max_scale
+ * +25 degrees Celsius = 0
+ * LSB, 25 degrees Celsius = 60 / temp_max_scale
+ */
+ *val = st->chip_info->temp_scale / 1000;
+ *val2 = (st->chip_info->temp_scale % 1000) * 1000;
return IIO_VAL_INT_PLUS_MICRO;
case IIO_PRESSURE:
*val = 0;
}
case IIO_CHAN_INFO_OFFSET:
/* Only the temperature channel has a offset */
- *val = 4425; /* 25 degree Celsius = 0x0000 */
+ temp = 25 * 1000000LL; /* 25 degree Celsius = 0x0000 */
+ *val = DIV_ROUND_CLOSEST_ULL(temp, st->chip_info->temp_scale);
return IIO_VAL_INT;
case IIO_CHAN_INFO_CALIBBIAS:
return adis16480_get_calibbias(indio_dev, chan, val);
.gyro_max_scale = 300,
.accel_max_val = IIO_M_S_2_TO_G(21973),
.accel_max_scale = 18,
+ .temp_scale = 5650, /* 5.65 milli degree Celsius */
},
[ADIS16480] = {
.channels = adis16480_channels,
.gyro_max_scale = 450,
.accel_max_val = IIO_M_S_2_TO_G(12500),
.accel_max_scale = 10,
+ .temp_scale = 5650, /* 5.65 milli degree Celsius */
},
[ADIS16485] = {
.channels = adis16485_channels,
.gyro_max_scale = 450,
.accel_max_val = IIO_M_S_2_TO_G(20000),
.accel_max_scale = 5,
+ .temp_scale = 5650, /* 5.65 milli degree Celsius */
},
[ADIS16488] = {
.channels = adis16480_channels,
.gyro_max_scale = 450,
.accel_max_val = IIO_M_S_2_TO_G(22500),
.accel_max_scale = 18,
+ .temp_scale = 5650, /* 5.65 milli degree Celsius */
},
};