Unexpected Restarts

[myamigo]

Hi Boris,

I'm considering a port of our standalone SDK project to a uPy supported version and think yours may provide a base for that.

I'm on WIndows with wsl2 so I built the F/W using the steps on your WIKI with no trouble. I installed the firmware (MicroPython.kfpkg) using the kflash gui tool (V1.6) and connected with my terminal prog. I followed some of the steps in the wiki and then I ran a simple loop/print test. After a few seconds the device restarted. Refer to the following output...

M (370013) [K210_MAIN]: Default flash configuration set

RISC-V Kendryte ---------------------------------------------
 _    _   _____   _   ______    ___   ___   ______   _     _
( )  / ) (___  ) ( ) (  __  )  (   \ /   ) (  __  ) ( )   ( )
| |_/ /   ___| | | | | |  | |  | |\ \ /| | | |__| |  \ \_/ /
|  _ )   ( ____) | | | |  | |**| | \_/ | | |  ____)   \   /
| | \ \  | |___  | | | |__| |  | |     | | | |         | |
(_)  \_) (_____) (_) (______)  (_)     (_) (_)         (_)
-------------------------------------------------------------
MicroPython-FreeRTOS by LoBo v1.12.02
-------------------------------------

MicroPython 1.12.02 (68a6b75-dirty) built on 2022-02-05; Sipeed_board with Kendryte-K210
Type "help()" for more information.
>>> import machine, _thread
>>> _thread.list()

Total system run time: 69.065 s, number of tasks running: 
MicroPython threads:
-------------------------------------------------------------------------------------------------------------------
ID(handle) Proc             Name      State  Stack  Used MaxUsed PyStack   Used    Type Priority Run time (s)   (%)
-------------------------------------------------------------------------------------------------------------------
2150748512    0       MainThread*   running  32768  1424    2840    4096     64    MAIN        8        0.237  0.34

FreeRTOS tasks running:
-------------------------------------------------------------------------------
ID(handle) Proc             Name     State MinStack Priority Run time (s)   (%)
-------------------------------------------------------------------------------
2150748512    0     main_mp_task   Running    29928       15        0.237  0.34
2149323944    0             IDLE     Ready     7416        0       68.462 99.13
2149326056    1             IDLE     Ready     7416        0        0.000  0.00
2150713248    0    hal_tick_task   Blocked     7432        1        0.001  0.00
-------------------------------------------------------------------------------
FreeRTOS heap: Size: 3141632, Free: 731544, Min free: 664208
  System heap: Free: 744448

>>> machine.state()
 PLL0: 988000000, PLL1: 806000000,  PLL2:  45066666, SPI3clk: 494000000
 APB0: 247000000, APB1: 247000000,  ACLK: 494000000,    HCLK: 494000000
  CPU: 494000000,  KPU: 403000000
SRAM0: 494000000 (ACLK/1)
SRAM1: 494000000 (ACLK/1)

Current SPI Flash speed: 35285714 Hz
RAM buffer of 4096 bytes at 0x80300000
OTA not used
Heaps: FreeRTOS=3068 KB (714 KB free), MPy=2300 KB, other=727 KB
>>> machine.mpy_config()

MicroPython configuration:
--------------------------
   MPy version code: 011201
  Two MPy instances: False
       PyStack used: True
Available heap size: 2300 KB
      MPy heap size: 2300 KB
       PyStack size: 4096 B
     MPy stack size: 32768 B
      CPU frequency: 400 MHz
      REPL baudrate: 115200 bd
      Boot menu pin: 0
  Default log level: 2 (LOG_WARN)
     Use log colors: 1 (True)
         VM divisor: 32 bytecodes
(False, True, 2355200, 2355200, 0, 4096, 32768, 400000000, 115200, 0, 2, True, 32)
>>>
>>> import time
>>> i=0
>>> current_time=time.ticks_ms()
>>> while(True):
...     i+=1
...     if time.ticks_ms()>current_time+500:
...         current_time=time.ticks_ms()
...         print("i = {}".format(i))
...
...
...
i = 1
i = 87910
i = 175811
i = 263633
i = 351473
i = 439325
i = 527201
i = 615064
i = 702950
i = 790815
i = 878692

M (370937) [K210_MAIN]: Default flash configuration set

RISC-V Kendryte ---------------------------------------------
 _    _   _____   _   ______    ___   ___   ______   _     _
( )  / ) (___  ) ( ) (  __  )  (   \ /   ) (  __  ) ( )   ( )
| |_/ /   ___| | | | | |  | |  | |\ \ /| | | |__| |  \ \_/ /
|  _ )   ( ____) | | | |  | |**| | \_/ | | |  ____)   \   /
| | \ \  | |___  | | | |__| |  | |     | | | |         | |
(_)  \_) (_____) (_) (______)  (_)     (_) (_)         (_)
-------------------------------------------------------------
MicroPython-FreeRTOS by LoBo v1.12.02
-------------------------------------

MicroPython 1.12.02 (68a6b75-dirty) built on 2022-02-05; Sipeed_board with Kendryte-K210
Type "help()" for more information.
>>> 

This happens every time but the time (i value) varies slightly each time. I simpler version of the test seems to run indefintely without issue...

M (370942) [K210_MAIN]: Default flash configuration set

RISC-V Kendryte ---------------------------------------------
 _    _   _____   _   ______    ___   ___   ______   _     _
( )  / ) (___  ) ( ) (  __  )  (   \ /   ) (  __  ) ( )   ( )
| |_/ /   ___| | | | | |  | |  | |\ \ /| | | |__| |  \ \_/ /
|  _ )   ( ____) | | | |  | |**| | \_/ | | |  ____)   \   /
| | \ \  | |___  | | | |__| |  | |     | | | |         | |
(_)  \_) (_____) (_) (______)  (_)     (_) (_)         (_)
-------------------------------------------------------------
MicroPython-FreeRTOS by LoBo v1.12.02
-------------------------------------

MicroPython 1.12.02 (68a6b75-dirty) built on 2022-02-05; Sipeed_board with Kendryte-K210
Type "help()" for more information.
>>> import time
>>> while(True):
...     time.sleep(1)
...     print(".",end="")
...
...
...
.............................................................................................................................................................................................................................

Can you confirm this as an issue?

Thank you