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[Core] Add configuration of PMW3360 lift off distance #15424

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merged 4 commits into from
Dec 9, 2021
Merged

[Core] Add configuration of PMW3360 lift off distance #15424

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d487c7d
sensor code add
Xelus22 Dec 7, 2021
7f79cf3
update documentation
Xelus22 Dec 7, 2021
c37fb61
add default #define
Xelus22 Dec 8, 2021
06cb722
Update drivers/sensors/pmw3360.c
Xelus22 Dec 8, 2021
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1 change: 1 addition & 0 deletions docs/feature_pointing_device.md
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Expand Up @@ -150,6 +150,7 @@ The PMW 3360 is an SPI driven optical sensor, that uses a built in IR LED for su
|`PMW3360_SPI_LSBFIRST` | (Optional) Sets the Least/Most Significant Byte First setting for SPI. | `false` |
|`PMW3360_SPI_MODE` | (Optional) Sets the SPI Mode for the sensor. | `3` |
|`PMW3360_SPI_DIVISOR` | (Optional) Sets the SPI Divisor used for SPI communication. | _varies_ |
|`PMW3360_LIFTOFF_DISTANCE` | (Optional) Sets the lift off distance at run time | `0x02` |
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|`ROTATIONAL_TRANSFORM_ANGLE` | (Optional) Allows for the sensor data to be rotated +/- 30 degrees directly in the sensor. | `0` |

The CPI range is 100-12000, in increments of 100. Defaults to 1600 CPI.
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4 changes: 4 additions & 0 deletions drivers/sensors/pmw3360.c
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Expand Up @@ -186,6 +186,10 @@ bool pmw3360_init(void) {

spi_write_adv(REG_Angle_Tune, constrain(ROTATIONAL_TRANSFORM_ANGLE, -30, 30));

#ifdef PMW3360_LIFTOFF_DISTANCE
spi_write_adv(REG_Lift_Config, PMW3360_LIFTOFF_DISTANCE);
#endif
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bool init_success = pmw3360_check_signature();

writePinLow(PMW3360_CS_PIN);
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4 changes: 4 additions & 0 deletions drivers/sensors/pmw3360.h
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Expand Up @@ -46,6 +46,10 @@
# endif
#endif

#ifndef PMW3360_LIFTOFF_DISTANCE
# define PMW3360_LIFTOFF_DISTANCE 0x02
#endif

#ifndef ROTATIONAL_TRANSFORM_ANGLE
# define ROTATIONAL_TRANSFORM_ANGLE 0x00
#endif
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