The serial port of the 559 board I have cannot receive (I plan to transplant the ISD function). I suspect it is a problem with the board. A few days ago, I posted a thread "Urgent need a program for C
Due to design requirements, I studied the CAN of F28m35 and conducted relevant tests. There is no problem in sending and receiving data in the internal loopback test mode, but in the external test, th
PB7 is the 89th pin of LM3S9B96. The data sheet says that it can be used as GPIO or NMI. However, after I configured it as GPIO input and gave it a high level, the voltage collected in the program was
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