mibi88
/
PythonExtra
forked from Lephenixnoir/PythonExtra
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

extmod/network_wiznet5k: Schedule clearing of interrupt flags. 

Avoiding conflicts between the IRQ and an active transfers.  Before this
change the device could lock up in heavy traffic situations.

Fix found and code supplied by @omogenot.
This commit is contained in:
robert-hh 2022-07-29 08:22:42 +02:00 committed by Damien George
parent 73699a846c
commit 999b66d531
1 changed files with 8 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
extmod/network_wiznet5k.c
View File

@ -177,11 +177,10 @@ STATIC void wiznet5k_lwip_init(wiznet5k_obj_t *self);
STATIC mp_obj_t mpy_wiznet_read_int(mp_obj_t none_in) {
(void)none_in;
wizchip_clrinterrupt(IK_SOCK_0);
setSn_IR(0, Sn_IR_RECV);
// Handle incoming data
wiznet5k_try_poll();
// Handle incoming data, unless the SPI bus is busy
if (mp_hal_pin_read(wiznet5k_obj.cs)) {
wiznet5k_try_poll();
}
return mp_const_none;
}
STATIC MP_DEFINE_CONST_FUN_OBJ_1(mpy_wiznet_read_int_obj, mpy_wiznet_read_int);
@ -343,6 +342,10 @@ void wiznet5k_poll(void) {
}
}
}
wizchip_clrinterrupt(IK_SOCK_0);
#if _WIZCHIP_ == W5100S
setSn_IR(0, Sn_IR_RECV); // W5100S driver bug: must write to the Sn_IR register to reset the IRQ signal
#endif
}
#endif // MICROPY_PY_LWIP