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Diffstat (limited to 'extmod/modbluetooth.c')
-rw-r--r--extmod/modbluetooth.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/extmod/modbluetooth.c b/extmod/modbluetooth.c
index e379a8c6a..bf8d071a9 100644
--- a/extmod/modbluetooth.c
+++ b/extmod/modbluetooth.c
@@ -842,7 +842,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(bluetooth_ble_gattc_exchange_mtu_obj, bluetooth
STATIC mp_obj_t bluetooth_ble_l2cap_listen(mp_obj_t self_in, mp_obj_t psm_in, mp_obj_t mtu_in) {
(void)self_in;
mp_int_t psm = mp_obj_get_int(psm_in);
- mp_int_t mtu = mp_obj_get_int(mtu_in);
+ mp_int_t mtu = MAX(32, MIN(UINT16_MAX, mp_obj_get_int(mtu_in)));
return bluetooth_handle_errno(mp_bluetooth_l2cap_listen(psm, mtu));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_3(bluetooth_ble_l2cap_listen_obj, bluetooth_ble_l2cap_listen);
@@ -850,7 +850,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_3(bluetooth_ble_l2cap_listen_obj, bluetooth_ble_l
STATIC mp_obj_t bluetooth_ble_l2cap_connect(size_t n_args, const mp_obj_t *args) {
mp_int_t conn_handle = mp_obj_get_int(args[1]);
mp_int_t psm = mp_obj_get_int(args[2]);
- mp_int_t mtu = mp_obj_get_int(args[3]);
+ mp_int_t mtu = MAX(32, MIN(UINT16_MAX, mp_obj_get_int(args[3])));
return bluetooth_handle_errno(mp_bluetooth_l2cap_connect(conn_handle, psm, mtu));
}
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(bluetooth_ble_l2cap_connect_obj, 4, 4, bluetooth_ble_l2cap_connect);