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Altera_Forum's avatar
Altera_Forum
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9 years ago

operate UART w/ NIOS wo/ HAL

The following code should make a loopback between UART RX and TX (echo). However, it seems that first N typed chars (from PC towards the board) are not successfully absorbed. After N characters ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

Hi,

try to check if transmit is ready before you write in your txdata, and clear the status register in the begining of your while.