regarding the LWIP bindings, I think there is a bug in sys_now (sys_arch.c), at least in the (OSAL_ST_FREQUENCY / 1000) >= 1 && OSAL_ST_FREQUENCY % 1000) == 0 case.
LWIP expects sys_now to wrap at 0xFFFFFFFF but, if e.g. OSAL_ST_FREQUENCY == 10kHz it wraps at 0x1999999A
Code: Select all
return ((u32_t)chVTGetSystemTimeX() - 1) / (OSAL_ST_FREQUENCY / 1000) + 1;(0xFFFFFFFF-1)/10 + 1 = 0x1999999A
This result in the TCP thread to hang after ~5 days (see sys_timeouts_sleeptime and TIME_LESS_THAN in LWIP timeouts.c).
