Diff: mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/hal_init_pre.c

Revision:

0:bb348c97df44

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/hal_init_pre.c	Wed Sep 16 01:11:49 2020 +0000
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2015-2015, ARM Limited, All Rights Reserved
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "stm32f4xx_hal.h"
+
+HAL_StatusTypeDef HAL_InitPre(void);
+
+/* this function is needed to peform hardware initialization that must happen
+ * before the uVisor; the whole SystemInit function for the STM32F4 cannot be
+ * put here as it depends on some APIs that need uVisor to be enabled */
+HAL_StatusTypeDef HAL_InitPre(void)
+{
+    /* Set Interrupt Group Priority */
+    HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4);
+
+    /* Return function status */
+    return HAL_OK;
+}