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Fix Arch and Board Docs
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lupyuen committed Jun 16, 2024
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16 changes: 7 additions & 9 deletions Documentation/platforms/risc-v/sg2000/boards/duos/index.rst
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ Features
- **Memory:** SIP DRAM 512 MB
- **TPU:** 0.5 TOPS INT8
- **Storage:** 1 x microSD Connector, 1 x eMMC Pad
- **USB:** 1 x Type-C for Power and Data or 1x USB 2.0 A Port Host
- **USB:** 1 x Type-C for Power and Data or 1 x USB 2.0 A Port Host
- **MIPI CSI:** 1 x 16P FPC Connector (MIPI CSI 2-Lane), 1 x 15P FPC Connector (MIPI CSI 2-Lane)
- **Sensor Support:** 5M @ 30 FPS
- **MIPI DSI:** Via GPIO Header (MIPI DSI 4-Lane)
Expand All @@ -33,9 +33,9 @@ Serial Console
==============

A **USB Serial Adapter** is required to run NuttX on Milk-V Duo S,
**CP2102** is recommended. CH340 might not work correctly with Milk-V Duo S.
**CP2102** is recommended. CH340 might not work correctly with Duo S.

Connect the USB Serial Adapter to Milk-V Duo S Serial Console at:
Connect the USB Serial Adapter to Duo S Serial Console at:

========== ================
USB Serial Milk-V Duo S Pin
Expand All @@ -47,11 +47,11 @@ TX Pin 10 (XGPIOA 17 / UART0 RX)

On the USB Serial Adapter, set the **Voltage Level** to 3V3.

Connect Milk-V Duo S to our computer with the USB Serial Adapter.
Connect Duo S to our computer with the USB Serial Adapter.
On our computer, start a Serial Terminal and connect to the USB Serial Port
at **115.2 kbps**.

NuttX will appear in the Serial Console when it boots on Milk-V Duo S.
NuttX will appear in the Serial Console when it boots on Duo S.

RISC-V Toolchain
================
Expand Down Expand Up @@ -112,10 +112,9 @@ NuttX requires a microSD Card with U-Boot Bootloader. Prepare a
`Linux microSD Card <https://lupyuen.github.io/articles/sg2000#download-the-linux-microsd>`_
for Duo S.

To boot NuttX on Milk-V Duo S, flip the `Main Processor Switch <https://milkv.io/docs/duo/getting-started/duos#risc-v-and-arm-switching>`_
To boot NuttX on Milk-V Duo S, flip the `Main Processor Switch <https://lupyuen.github.io/articles/sg2000#boot-without-microsd>`_
to **RV** (RISC-V).
`Install a TFTP Server <https://lupyuen.github.io/articles/sg2000#boot-nuttx-over-tftp>`_
on our computer.
On our computer, `install the TFTP Server <https://lupyuen.github.io/articles/sg2000#boot-nuttx-over-tftp>`_.

Copy the file ``Image-sg2000`` from the previous section to the TFTP Server,
together with the Device Tree:
Expand Down Expand Up @@ -148,7 +147,6 @@ Run these commands to `boot NuttX over TFTP <https://lupyuen.github.io/articles/
Or configure U-Boot to `boot NuttX automatically <https://lupyuen.github.io/articles/sg2000#boot-nuttx-over-tftp>`_.

NuttX boots on Duo S and NuttShell (nsh) appears in the Serial Console.

To see the available commands in NuttShell:

.. code:: console
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