Reordering - HardwareSerial Constructor #6492
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Jason2866
referenced
this pull request
Mar 28, 2022
* Adds HardwareSerial::onReceiveTimeout()
* Fixed typo
* Changes requested
* Fix eventQueueReset
* Changed _onReceiveTimeout to _rxTimeout for consistency
* Uniform uart_set_rx_timeout condition
* test _uart not NULL in eventQueueReset()
check if _uart is not NULL before using it.
* revert last commit - no need for it
reverting last change made - it is not necessary.
* adds onReceive() parameter
In order to allow the user to choose if onReceive() call back will be called only when UART Rx timeout happens or also when UART FIFO gets 120 bytes,
a new parameter has been added to onReceive() with the default behavior based on timeout.
void onReceive(OnReceiveCb function, bool onlyOnTimeout = true);
onReceive will setup a callback that will be called whenever an UART interruption occurs (UART_INTR_RXFIFO_FULL or UART_INTR_RXFIFO_TOUT)
UART_INTR_RXFIFO_FULL interrupt triggers at UART_FULL_THRESH_DEFAULT bytes received (defined as 120 bytes by default in IDF)
UART_INTR_RXFIFO_TOUT interrupt triggers at UART_TOUT_THRESH_DEFAULT symbols passed without any reception (defined as 10 symbos by default in IDF)
onlyOnTimeout parameter will define how onReceive will behave:
Default: true -- The callback will only be called when RX Timeout happens.
Whole stream of bytes will be ready for being read on the callback function at once.
This option may lead to Rx Overflow depending on the Rx Buffer Size and number of bytes received in the streaming
false -- The callback will be called when FIFO reaches 120 bytes and also on RX Timeout.
The stream of incommig bytes will be "split" into blocks of 120 bytes on each callback.
This option avoid any sort of Rx Overflow, but leaves the UART packet reassembling work to the Application.
* Adds onReceive() parameter for timeout only
* Adds back setRxTimeout()
* Adds setRxTimeout()
* CI Syntax error - "," missing
Co-authored-by: Rodrigo Garcia <[email protected]>
|
I don't see how moving _onReceiveErrorCB changes compilation, but it does look better. |
Jason2866
reviewed
Mar 28, 2022
There was a problem hiding this comment.
Arduino Lib Builder does compile successfull with this changes
https:/Jason2866/esp32-arduino-lib-builder/actions/runs/2052595611
Ah, so it has to do with the order in which variables are initialized in the constructor. This is a C++ concept I don't yet understand, but I can see that declaring the variables in the same order in both the header and constructor makes the compiler happy. Good fix. |
Jason2866
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Mar 31, 2022
This reverts commit aa783e6.
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Summary
Quick necessary fix in order to allow Lib Builder compilation.
Impact
None.
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