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Get Started

Table of Contents

Download

tinyusb uses github as online repository https://github.com/hathach/tinyusb since it is the best place for open source project.

If you are using Linux, you already know how to what to do. But If Windows is your OS, I would suggest to install git and front-end gui such as tortoisegit to begin with.

After downloading/cloning, the code base is composed of

Folder Description
boards Source files of supported boards
demos Source & project files for demonstration application
mcu Low level mcu core & peripheral drivers (e.g CMSIS )
tests Unit tests for the stack
tinyusb All sources files for tinyusb stack itself.
vendor Source files from 3rd party such as freeRTOS, fatfs etc ...

Import and Build

repo/demos is the folder where all the application & project files are located. There are demos for both device and hosts. For each, there are different projects for each of supported RTOS.

Prerequisites

In order to build and run application demo, you would need

LPCXpresso

To prevent any sort of problems, it is recommended to do EXACTLY as follows (esp the item 4)

  1. Copy the whole repo folder to your lpcxpresso's workspace.

  2. Click File->Import, then expand the General folder and select Existing Projects into Workspace and click Next.

    lpcxpresso_import.png

  3. On the next dialog, Click Browse and choose the repo/demos folder inside the repo. You should see a list of all demo applications.

    lpcxpresso_import2.png

  4. IMPORTANT make sure the option Copy projects into workspace is CLEAR. As demo application uses link folders and this option may cause problem for the import.

  5. Choose any of the demo application and click Finish.

  6. Select the configure corresponding to your development board.

    lpcxpresso_select_board.png

  7. Then select the correct MCU option from project properties then you are ready to go.

    lpcxpresso_mcu.png

Keil

It is relatively simple for Keil

  1. Open the desired demo project e.g demos/host/host_freertos/host_freertos.uvproj

  2. Select the configure corresponding to your development board and build it.

    keil_select_board.png

IAR

IAR is just as easy as Keil

  1. Open the desired demo project e.g demos/host/host_freertos/host_freertos.eww

  2. Again select the configure corresponding to your development board and build it.

    iar_select_board.png

Configure demo

Application demo is written to have the code excluded if its required option is not enabled in tusb_config.h. Some of combination may exceed the 32KB limit of IAR/Keil so you may want to re-configure to disable some class support, decrease TUSB_CFG_DEBUG or increase the compiler optimization level.

In addition, there are some configuration you can change such as

  • CFG_UART_BAUDRATE in board.h
  • CFG_PRINTF_TARGET in the specific board header (e.g board_ea4357.h) to either Semihost, Uart, or SWO.

\subpage md_boards_readme