Description
LVGL and network error occurs when running micorpython on ESP32 and using lvgl V7. Works in V6.
What MCU/Processor/Board and compiler are you using?
esp32 wroom 32
What do you experience?
When using lv_micropython ili9341 driver and network together an error occurs. Both ili9341 and network work on their own. This error occurs with lvgl.v7 but not with lvgl.v6.
The error appears to be due to a buffer allocation fail.
What do you expect?
No error.
Code to reproduce
import network
import lvgl as lv
lv.init()
from ili9341 import ili9341
disp = ili9341(rot=ili9341.MADCTL_MY, miso=16, mosi=17, clk=18, cs=19, dc=5, rst=21, mhz=80)
wlan = network.WLAN(network.STA_IF) # create station interface
wlan.active(True) # activate the interface
scan = wlan.scan() # scan for access points
print(scan)
And error message:
ILI9341 initialization completed
Enable backlight
Single buffer
I (3020) wifi:wifi driver task: 3ffdf800, prio:23, stack:3584, core=0
I (6171) wifi:wifi firmware version: 44aa95c
I (6171) wifi:config NVS flash: enabled
I (6171) wifi:config nano formating: disabled
I (6181) wifi:Init dynamic tx buffer num: 32
I (6181) wifi:Init data frame dynamic rx buffer num: 32
I (6181) wifi:Init management frame dynamic rx buffer num: 32
I (6191) wifi:Init management short buffer num: 32
I (6191) wifi:Init static rx buffer size: 1600
E (6201) wifi:malloc buffer fail
I (6201) wifi:Init static rx buffer num: 8
I (6201) wifi:Init dynamic rx buffer num: 32
E (6211) wifi:Expected to init 10 rx buffer, actual is 8
I (6211) wifi:Deinit lldesc rx mblock:0
I (6221) wifi:Deinit lldesc rx mblock:0
I (6221) wifi:Deinit lldesc rx mblock:0
I (6221) wifi:Deinit lldesc rx mblock:0
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "t2.py", line 8, in <module>
RuntimeError: Wifi Unknown Error 0x0101
Commenting out ili9341 initialisation:
import network
import lvgl as lv
lv.init()
from ili9341 import ili9341
# disp = ili9341(rot=ili9341.MADCTL_MY, miso=16, mosi=17, clk=18, cs=19, dc=5, rst=21, mhz=80)
wlan = network.WLAN(network.STA_IF) # create station interface
wlan.active(True) # activate the interface
scan = wlan.scan() # scan for access points
print(scan)
produces no RuntimeError
I (1930) wifi:wifi driver task: 3ffd5f08, prio:23, stack:3584, core=0
I (3991) wifi:wifi firmware version: 44aa95c
I (3991) wifi:config NVS flash: enabled
I (3991) wifi:config nano formating: disabled
I (4001) wifi:Init dynamic tx buffer num: 32
I (4001) wifi:Init data frame dynamic rx buffer num: 32
I (4001) wifi:Init management frame dynamic rx buffer num: 32
I (4011) wifi:Init management short buffer num: 32
I (4011) wifi:Init static rx buffer size: 1600
I (4021) wifi:Init static rx buffer num: 10
I (4021) wifi:Init dynamic rx buffer num: 32
I (4121) wifi:mode : sta (80:7d:3a:ba:0f:6c)
[(b'spy ...