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Jayeshkumar's avatar
Jayeshkumar
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4 years ago

UART Serial port blocking mode fgetc function not able to fetch required data bytes

Hi, We have written c code where we are opening the uart serial port in blocking mode and we are using fgetc function to read the data. we are using for loop and if we keep the for loop for 800000 ...
ShengN_altera's avatar
ShengN_altera
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4 years ago

One more thing is in blocking mode, UART will block if the SW buffer is full. The size of the SW buffer for both RX and TX is set to ALT_AVALON_UART_BUF_LEN of 64 in altera_avalon_uart.h.


Jayeshkumar's avatar
Jayeshkumar
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4 years ago

As you are mentioning about SW Buffer, please let us know what are the conditions when it gets Full and how much to increase its size to get our work done?