Openwrt background power-on run command - RF/Wirelessly

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【Posts】After the microcontroller is powered on, it runs a display program and encounters a very strange problem.
【Posts】After IAR8 develops STM32 program and downloads it using ST-LINK, it cannot run after power off and power on (manual reset can run normally)
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【Posts】After GD32F303 SPI is powered on again, the CLK clock signal IO is not output, but the simulation is normal.
【Posts】When the MCU is powered on for the first time, what is the I/O status during the initialization process?
【Posts】Please advise, after the microcontroller enters low power consumption, will the program still run? Do I need to feed the dog?
【Posts】The transformer in the power supply has no output after loading
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After the microcontroller is powered on, it runs a display program and encounters a very strange problem.
Thecodeisasfollows:while(1){ee=1;xsint(ee);delay_ms(3000);WDTRST=0x1E;WDTRST=0xE1;ee=2;=3;xsint(ee);delay_ms(3000);WDTRST=0x1E;WDTRST=0xE1;}Theabovecodeisaloopthatdisplaysthenumbers1,2,and3insequence.Buttheactualeffectafterrunningisthatonly ...
After IAR8 develops STM32 program and downloads it using ST-LINK, it cannot run after power off and power on (manual reset can run normally)
AfterIAR8developsSTM32programanddownloadsitusingST-LINK,itcannotrunafterpoweroffandpoweron(manualresetcanrunnormally)
I would like to ask the experts, how to learn the high-frequency electronic circuit course? I want to work in this field in the future.
Iworkedonhigh-frequencycommunicationproblemsinanelectronicscompetitionforayearandfounditveryinteresting,althoughsomeofthebugswereveryconfusingAlotofthethingshesaiddidn'tsoundreliable,suchassayingthatyouonlyneedtoknowtheconclusionsandyoudon' ...
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