I make UART communication between ARM stm32f103 and I can see valid data on terminal
but when I try to work with data on MATLAB ; Although I can connect COM port properly, I recieve wrong data on MATLAB and it happens repetetively for example it always recieve 67 when I send 13 by ARM.
I try every serial functions such as fread fscanf ,.... but it has the same problem
Adam Alfath
Maybe try synchronize your setting in PC hardware, ARM and Serial function, like parity, data bit, stop bit.
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Stefan Rickli
Do you have another serial device at hand from which you know that it produces correct output?
You can then cross-check with your terminal application.
Also check with the terminal and an USB to Serial cable that Matlab produces correct serial output.
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