micropython 查看esp32开发板综合信息

def sys_stats():

    import os, gc, machine, sys

    from binascii import hexlify

    hwid = str(hexlify(machine.unique_id()))    #Hardware ID

    output = "Hardware ID\t\t"+hwid + '\n'

    uname = os.uname()

    firmwareversion = str(uname.version)

    hardware = uname.machine

    output += "Hardware:\t\t"+hardware+'\n'

    output += "Firmware version:\t"+firmwareversion+'\n'

    mhz = str(machine.freq()/1000000) # Freq in MHz

    freeram = str(gc.mem_free()/1024)    # Free RAM

    usedram = str(gc.mem_alloc()/1024)   # Used RAM

    vfs = os.statvfs('/')

    freedisk = str(vfs[0] * vfs[4]/1024) # Flash VFS size freestr(gc.mem_free()/1024)+"KB"

    output += "Python version:\t\t"+sys.version+'\n'

    output += "CPU Freq:\t\t"+mhz+"MHz\n"

    output += "Memory free:\t\t"+freeram+" KB free\n"

    output += "Memory alloc:\t\t"+usedram+" KB allocated\n"

    output += "Flash:\t\t\t"+freedisk+" KB free\n"

    return(output)

print(sys_stats())