samd/main: Replace mp_stack_set calls with mp_cstack_init_with_top.

Signed-off-by: Damien George <[email protected]>

Author: dpgeorge

ports/samd/main.c

@@ -29,7 +29,6 @@
 #include "py/gc.h"
 #include "py/mperrno.h"
 #include "py/mphal.h"
-#include "py/stackctrl.h"
 #include "extmod/modmachine.h"
 #include "shared/readline/readline.h"
 #include "shared/runtime/gchelper.h"
@@ -45,8 +44,7 @@ extern void pwm_deinit_all(void);
 extern void sercom_deinit_all(void);
 
 void samd_main(void) {
-    mp_stack_set_top(&_estack);
-    mp_stack_set_limit(&_estack - &_sstack - 1024);
+    mp_cstack_init_with_top(&_estack, &_estack - &_sstack);
     mp_hal_time_ns_set_from_rtc();
 
     for (;;) {

ports/samd/mpconfigport.h

@@ -41,6 +41,7 @@
 
 // Python internal features
 #define MICROPY_ENABLE_GC                   (1)
+#define MICROPY_STACK_CHECK_MARGIN          (1024)
 #define MICROPY_LONGINT_IMPL                (MICROPY_LONGINT_IMPL_MPZ)
 #define MICROPY_FLOAT_IMPL                  (MICROPY_FLOAT_IMPL_FLOAT)
 #ifndef MICROPY_PY_BUILTINS_COMPLEX