Link to the Bus Device docs.

2 files changed, 16 insertions, 0 deletions

diff --git a/shared-bindings/nativeio/I2C.c b/shared-bindings/nativeio/I2C.c
index 2aca80cf6..3e608dc53 100644
--- a/shared-bindings/nativeio/I2C.c
+++ b/shared-bindings/nativeio/I2C.c
@@ -42,6 +42,14 @@
 //|   physical level it consists of 2 wires: SCL and SDA, the clock and data
 //|   lines respectively.
 //|
+//|   .. seealso:: Using this class directly requires careful lock management.
+//|       Instead, use :class:`~adafruit_bus_device.i2c_device.I2CDevice` to
+//|       manage locks.
+//|
+//|   .. seealso:: Using this class to directly read registers requires manual
+//|       bit unpacking. Instead, use an existing driver or make one with
+//|       :ref:`Register <register-module-reference>` data descriptors.
+//|
 //|   :param ~microcontroller.Pin scl: The clock pin
 //|   :param ~microcontroller.Pin sda: The data pin
 //|   :param int frequency: The clock frequency
diff --git a/shared-bindings/nativeio/SPI.c b/shared-bindings/nativeio/SPI.c
index df17b5c63..004c55e4e 100644
--- a/shared-bindings/nativeio/SPI.c
+++ b/shared-bindings/nativeio/SPI.c
@@ -52,6 +52,14 @@
 //|
 //|    Construct an SPI object on the given pins.
 //|
+//|   .. seealso:: Using this class directly requires careful lock management.
+//|       Instead, use :class:`~adafruit_bus_device.spi_device.SPIDevice` to
+//|       manage locks.
+//|
+//|   .. seealso:: Using this class to directly read registers requires manual
+//|       bit unpacking. Instead, use an existing driver or make one with
+//|       :ref:`Register <register-module-reference>` data descriptors.
+//|
 //|   :param ~microcontroller.Pin clock: the pin to use for the clock.
 //|   :param ~microcontroller.Pin MOSI: the Master Out Slave In pin.
 //|   :param ~microcontroller.Pin MISO: the Master In Slave Out pin.