MicroPython Forum (Archive)

import pyb, json,utime

print('START code...')
uart = machine.UART(1, 9600) 
print ("Test 2")
uart.write("AT\r")
utime.sleep(2)
print ("Test 3")
uart.read(8)
print ("Test 4")

pc ~ $ picocom /dev/ttyACM0
picocom v1.7

port is : /dev/ttyACM0
flowcontrol : none
baudrate is : 9600
parity is : none
databits are : 8
escape is : C-a
local echo is : no
noinit is : no
noreset is : no
nolock is : no
send_cmd is : sz -vv
receive_cmd is : rz -vv
imap is :
omap is :
emap is : crcrlf,delbs,

Terminal ready
START code...
Test 2
Test 3
MicroPython v1.13 on 2020-10-14; WeAct F411CE with STM32F411CE
Type "help()" for more information.
>>> machine.soft_reset()
MPY: sync filesystems
MPY: soft reboot
START code...
Test 2
Test 3
Test 4
MicroPython v1.13 on 2020-10-14; WeAct F411CE with STM32F411CE
Type "help()" for more information.
>>> ation.
Traceback (most recent call last):
File "<stdin>", line 2
SyntaxError: invalid syntax
>>> >>>
Traceback (most recent call last):
File "<stdin>", line 1
SyntaxError: invalid syntax
>>> SIM800 R14.18
Traceback (most recent call last):
File "<stdin>", line 1
SyntaxError: invalid syntax
>>>
>>> ERROR
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'ERROR' isn't defined
>>> ation.
Traceback (most recent call last):
File "<stdin>", line 2
SyntaxError: invalid syntax
>>> Traceback (most recent call last):
Traceback (most recent call last):
File "<stdin>", line 1
SyntaxError: invalid syntax
>>> File "<stdin>", line 2
Traceback (most recent call last):
File "<stdin>", line 1
IndentationError: unexpected indent
>>> SyntaxError: invalid syntax
Traceback (most recent call last):
File "<stdin>", line 1
SyntaxError: invalid syntax
>>> >>> >>>
Traceback (most recent call last):
File "<stdin>", line 1
SyntaxError: invalid syntax
>>> Traceback (most recent call last):
Traceback (most recent call last):
File "<stdin>", line 1
SyntaxError: invalid syntax
>>> File "<stdin>", line 1
Traceback (most recent call last):
File "<stdin>", line 1
IndentationError: unexpected indent
>>> SyntaxError: invalid syntax

Thanks for using picocom

>>> SIM800 R14.18

jimmo wrote: ↑

Mon Oct 26, 2020 10:49 pm

Is it possible that you're using the same UART that's used for the MicroPython REPL to talk to the GSM module? So MicroPython is trying to "execute" the output from the module?