extmod/modmachine: Truncate integers that are to be stored using mem*.

dpgeorge · dpgeorge · commit 3a042fb92155 · 2016-02-10T17:05:03.000Z
Addresses issue adafruit#1835.
diff --git a/extmod/machine_mem.c b/extmod/machine_mem.c
@@ -79,7 +79,7 @@ STATIC mp_obj_t machine_mem_subscr(mp_obj_t self_in, mp_obj_t index, mp_obj_t va
     } else {
         // store
         uintptr_t addr = MICROPY_MACHINE_MEM_GET_WRITE_ADDR(index, self->elem_size);
-        uint32_t val = mp_obj_get_int(value);
+        uint32_t val = mp_obj_get_int_truncated(value);
         switch (self->elem_size) {
             case 1: (*(uint8_t*)addr) = val; break;
             case 2: (*(uint16_t*)addr) = val; break;
