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-rw-r--r--docs/feature_pointing_device.md1
-rw-r--r--drivers/sensors/pmw3389.c6
2 files changed, 2 insertions, 5 deletions
diff --git a/docs/feature_pointing_device.md b/docs/feature_pointing_device.md
index def592a61c..5f1260eede 100644
--- a/docs/feature_pointing_device.md
+++ b/docs/feature_pointing_device.md
@@ -174,7 +174,6 @@ The PMW 3389 is an SPI driven optical sensor, that uses a built in IR LED for su
|`PMW3389_SPI_DIVISOR` | (Optional) Sets the SPI Divisor used for SPI communication. | _varies_ |
|`PMW3389_LIFTOFF_DISTANCE` | (Optional) Sets the lift off distance at run time | `0x02` |
|`ROTATIONAL_TRANSFORM_ANGLE` | (Optional) Allows for the sensor data to be rotated +/- 30 degrees directly in the sensor. | `0` |
-|`PMW3389_LEGACY_FIRMWARE_UPLOAD` | (Optional) Switches to older, manual upload of firmware, for compatibility. | _not defined_ |
The CPI range is 50-16000, in increments of 50. Defaults to 2000 CPI.
diff --git a/drivers/sensors/pmw3389.c b/drivers/sensors/pmw3389.c
index 11056bb89e..d6f02b6a59 100644
--- a/drivers/sensors/pmw3389.c
+++ b/drivers/sensors/pmw3389.c
@@ -210,16 +210,14 @@ void pmw3389_upload_firmware(void) {
spi_write(REG_SROM_Load_Burst | 0x80);
wait_us(15);
-#ifdef PMW3389_LEGACY_FIRMWARE_UPLOAD
+ // legacy only for PMW3389 spi_transmit failed to load firmware
unsigned char c;
for (int i = 0; i < FIRMWARE_LENGTH; i++) {
c = (unsigned char)pgm_read_byte(firmware_data + i);
spi_write(c);
wait_us(15);
}
-#else
- spi_transmit(firmware_data, sizeof(firmware_data));
-#endif
+
wait_us(200);
pmw3389_read(REG_SROM_ID);