Question: Why are the messages sent and received different? For example, if I send 00, I receive 80, etc. The procedure is as follows:#includereg52.hvoid init(){EA=1; ES=1; TMOD=0x20; SCON=0x50; TH1=0...
Each task has its own stack, which must be declared as OS_STK type and consists of continuous memory space. Stack space can be allocated statically or dynamically. The first half of the sentence makes...
Hello everyone, I haven't posted on eeworld for a long time! I have seen many X-cows in the forum! The posts they posted said "People with low education should not develop in the embedded industry". I...
[i=s]This post was last edited by chi80929 on 2015-8-31 16:00[/i] I need help from experts. I wrote a simple program to try out my new board, but it keeps saying "could not open port". I can't burn it...
How do I distinguish between EPwm1Regs.AQCSFRC.all = 0xC; EPwm1Regs.AQCSFRC.all = 0x0? I read the data sheet and found that CSFB and CSFA of AQCSFRC each include four modes: 00: Forcing disabled, ie, ...
I use the frequency of 11.0592. I searched a lot of information on the Internet and found that it can be achieved with the AT89S52 chip and T2, but I don't know the initialization procedure of T2. Can...