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.. _gd32vf103v_eval:
GigaDevice GD32VF103V-EVAL
##########################
Overview
********
The GD32V103V-EVAL board is a hardware platform that enables prototyping
on GD32VF103VB RISC-V MCU.
The GD32VF103VB features a single-core RISC-V 32-bit MCU which can run up
to 108 MHz with flash accesses zero wait states, 128 KiB of Flash, 32 KiB of
SRAM and 80 GPIOs.
.. image:: img/gd32vf103v_eval.jpg
:align: center
:alt: gd32vf103v_eval
Hardware
********
- GD32VF103VBT6 MCU
- AT24C02C 2Kb EEPROM
- GD25Q16 16Mbit SPI and QSPI NOR Flash
- 4 x User LEDs
- 1 x Joystick (L/R/U/D/C)
- 2 x USART (RS-232 at J1/J2 connectors)
- 1 x POT connected to an ADC input
- USB FS connector
- Headphone interface
- 1 x CAN
- 3.2" RGB-LCD (320x240)
- GD-Link on board programmer
- J-Link/JTAG connector
For more information about the GD32VF103 SoC and GD32VF103V-EVAL board:
- `GigaDevice RISC-V Mainstream SoC Website`_
- `GD32VF103 Datasheet`_
- `GD32VF103 User Manual`_
- `GD32VF103V-EVAL Documents`_
Supported Features
==================
The board configuration supports the following hardware features:
.. list-table::
:header-rows: 1
* - Peripheral
- Kconfig option
- Devicetree compatible
* - GPIO
- :kconfig:option:`CONFIG_GPIO`
- :dtcompatible:`gd,gd32-gpio`
* - Machine timer
- :kconfig:option:`CONFIG_RISCV_MACHINE_TIMER`
- :dtcompatible:`riscv,machine-timer`
* - Nuclei ECLIC Interrupt Controller
- :kconfig:option:`CONFIG_NUCLEI_ECLIC`
- :dtcompatible:`nuclei,eclic`
* - PWM
- :kconfig:option:`CONFIG_PWM`
- :dtcompatible:`gd,gd32-pwm`
* - USART
- :kconfig:option:`CONFIG_SERIAL`
- :dtcompatible:`gd,gd32-usart`
* - ADC
- :kconfig:option:`CONFIG_ADC`
- :dtcompatible:`gd,gd32-adc`
Serial Port
===========
The GD32VF103V-EVAL board has two serial communications port. The default port
is USART0 with TX connected at PA9 and RX at PA10.
Programming and Debugging
*************************
Before programming your board make sure to configure boot and serial jumpers
as follows:
- JP2/3: Select 2-3 for both (boot from user memory)
- JP5/6: Select 1-2 positions (labeled as ``USART0``)
Using GD-Link
=============
The GD32VF103V-EVAL includes an onboard programmer/debugger (GD-Link) which
allows flash programming and debugging over USB. There is also a JTAG header
(JP1) which can be used with tools like Segger J-Link.
#. Build the Zephyr kernel and the :ref:`hello_world` sample application:
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: gd32vf103v_eval
:goals: build
:compact:
#. Run your favorite terminal program to listen for output. On Linux the
terminal should be something like ``/dev/ttyUSB0``. For example:
.. code-block:: console
minicom -D /dev/ttyUSB0 -o
The -o option tells minicom not to send the modem initialization
string. Connection should be configured as follows:
- Speed: 115200
- Data: 8 bits
- Parity: None
- Stop bits: 1
#. To flash an image:
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: gd32vf103v_eval
:goals: flash
:compact:
You should see "Hello World! gd32vf103v_eval" in your terminal.
#. To debug an image:
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: gd32vf103v_eval
:goals: debug
:compact:
.. _GigaDevice RISC-V Mainstream SoC Website:
https://www.gigadevice.com/products/microcontrollers/gd32/risc-v/mainstream-line/
.. _GD32VF103 Datasheet:
https://www.gigadevice.com/datasheet/gd32vf103xxxx-datasheet/
.. _GD32VF103 User Manual:
https://www.gd32mcu.com/data/documents/userManual/GD32VF103_User_Manual_Rev1.4.pdf
.. _GD32VF103V-EVAL Documents:
https://github.com/riscv-mcu/GD32VF103_Demo_Suites/tree/master/GD32VF103V_EVAL_Demo_Suites/Docs