KSDK 2.0 Documentation Issues

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KSDK 2.0 Documentation Issues

Contributor II

It appears that there are a number of discrepancies between the KSDK API Reference Manual documentation and the actual KSDK code.


For example, in the UART Driver section (page 1165 of Kinetis SDK v.2.0 API Reference Manual), it appears that the documentation correctly lists the actual API function for creating a UART handle:


void UART_TransferCreateHandle (UART_Type _base, uart_handle_t _handle, uart_transfer_callback_t callback, void _userData) Initializes the UART handle.


The above information is consistent with the actual KSDK 2.0 driver code. However, the UART Driver overview section (page 53.2.1, pg.1158) in the same API reference manual clearly contradicts this by referencing the function UART_CreateHandle(), which seems not to actually exist in KSDK 2.0 driver code:


The ring buffer size is specified when creating the handle. Note that one byte is reserved for the ring buffer maintenance. When creating handle using the following code:

UART_CreateHandle(&handle, UART0, &ringBuffer, 32);


This non-existent function, UART_CreateHandle(), is also referenced a number of times in the example code snippets listed in the documentation. For example: UART Receive using the ringbuffer feature



UART_Init(UART1, &user_config, 120000000U);

UART_CreateHandle(&g_uartHandle, UART1, &ringBuffer, RING_BUFFER_SIZE);

UART_SetTransferCallback(&g_uartHandle, UART_UserCallback, NULL);



Can we expect incremental updates to the documentation to correct these kinds of issues?

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1 Reply

NXP Employee
NXP Employee


I've forwarded these comments to the development team. I'll ask them to review the UART documentation to ensure the proper consistency.

Updates are made to the source documentation, and you'd likely find the updates in the online documentation prior to a released package, but they will get updated as new releases are put out.

Thanks for the feedback,


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