ESP8266 - import machine is not working

[Rudolfr]

Hello together ,

i have an issue and is dont find a solution and this makes me crazy. Everytime when i add the "Import machine" is got a fault message on my ESP8266. I flashed the controller with the Version 1.9.3. but i dont know if this has a problem. Also with small program codes for example to set the Pin to a value, makes problem.

What can be the reason?

Traceback (most recent call last):
File "<stdin>", line 2, in <module>
File "<stdin>", line 2, in <module>
File "<string>", line 16, in <module>
OSError: [Errno 2] ENOENT

[code]
prg_n='ESP_SocketDemo.py'

#
# NOTE - Server socket must be up and running first
# This prog uploads the first file found in '/DATA' dir on the ESP8266
# Must first create '/DATA' and save a text file there
#
print(prg_n)
host='192.168.178.100';port=1247
my_ssid='*********'
my_wifi_pw='*******'
#
import sys,time,utime,socket,network,machine
from ntptime import settime
from machine import Pin
#
uos.chdir('/DATA')# must be pre set up on ESP8266, add a text file demo here
#
# main code loop below, afer defs...
#
def set_WIFI(cntrl):
i=0;sta_if=network.WLAN(network.STA_IF)
if cntrl=='ON':
if not sta_if.isconnected():
print('conn WiFi')
sta_if.active(True)
sta_if.connect(my_ssid,my_wifi_pw)
while not sta_if.isconnected():
print(".",end="")
time.sleep(1);i+=1
if i>9:return#>>
else:sta_if.active(False)
print('NW CFG:',sta_if.ifconfig())
#
#
def upld_data():
sd=.3 # delay between sends - experiment with this
df='' # data file name
p16.high();red_LED=False
fl=uos.listdir()
df=fl[0]
print('fl: ',fl,' dl: ',dl)
#
set_WIFI('ON')
s=socket.socket();time.sleep(sd)
try:
s.connect((host,port))
except Exception as err:
print('SockConn-ERR#: ',err)
return('NOP')#>>
#
cmd=s.recv(1024)
if cmd.startswith('ACK'): # I have Server send 'ACK' on connect
print('SRV-ACK')
else:#catch???
print(cmd+' SRV-NO-ACK')
s.close();return('NOP')#>>
#
print(df)
s.send(df);time.sleep(sd)
with open(df,'r') as fobj:
for line in fobj: # will loop here until end-of-file
print(line,end='')
if red_LED == False:#toggle LED during sends
p16.low();red_LED=True
else:
p16.high();red_LED=False
s.send(line);time.sleep(sd)
p16.low();red_LED=True
#
# following is extra info I send after the file has been read
s.send('\nprg_n: '+prg_n+', Free MEM:,'+str(gc.mem_free())+'\n')
time.sleep(sd)
s.send('fl is: '+str(fl)+'\n')
time.sleep(sd)
fl=uos.statvfs('/')
fl='Tot/Used/Free %d blocks: %d/%d/%d\n' %(fl[0],fl[2],fl[2]-fl[3],fl[3])
print(fl)
s.send(fl);time.sleep(sd)
s.send('EOF\n') # Server will look for EOF message from ESP, finish,
# close/open its socket, loop back, wait for next upload
p16.high()
return('DONE')#>>
#
#END DEF
#
while True: # upload every 60 seconds
if utime.time() % 60 == 0:
df_status = upld_data()
print (df_status)
time.sleep(1)
gc.collect()
#
[/code]

[cefn]

I just ran this on my ESP8266 which made me very suspicious that the error you were receiving is nothing to do with import machine but is rather triggered by your chdir, but possibly with the line misreported

Code: Select all

>>> import os
>>> os.chdir("/NOTTHERE")
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
OSError: [Errno 2] ENOENT