From cc432b761c884a0bd8e9d83db0a4e26109fc08b1 Mon Sep 17 00:00:00 2001
From: chen <15335560115@163.com>
Date: 星期五, 08 十一月 2024 15:35:38 +0800
Subject: [PATCH] 安邦手环GPS删除部分无用数据和修改4G波特率9600出厂测试固件
---
keil/include/devices/MK800X/Source/system_MK800X.c | 64 ++++++++++++++++++++++++++++++++
1 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/keil/include/devices/MK800X/Source/system_MK800X.c b/keil/include/devices/MK800X/Source/system_MK800X.c
new file mode 100644
index 0000000..d9e1be6
--- /dev/null
+++ b/keil/include/devices/MK800X/Source/system_MK800X.c
@@ -0,0 +1,64 @@
+/******************************************************************************
+ * @file system_MK8000.c
+ * @brief CMSIS Device System Source File for
+ * Device MK8000
+ * @version V5.00
+ * @date 10. January 2018
+ ******************************************************************************/
+/*
+ * Copyright (c) 2009-2018 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
+ *
+ * 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 "MK800X.h"
+
+/*----------------------------------------------------------------------------
+ Define clocks
+ *----------------------------------------------------------------------------*/
+/* ToDo: add here your necessary defines for device initialization
+ following is an example for different system frequencies */
+#define XTAL (38400000U) /* Oscillator frequency */
+
+#define SYSTEM_CLOCK (13 * XTAL / 8)
+
+/*----------------------------------------------------------------------------
+ System Core Clock Variable
+ *----------------------------------------------------------------------------*/
+/* ToDo: initialize SystemCoreClock with the system core clock frequency value
+ achieved after system intitialization.
+ This means system core clock frequency after call to SystemInit() */
+uint32_t SystemCoreClock = SYSTEM_CLOCK; /* System Clock Frequency (Core Clock)*/
+
+/*----------------------------------------------------------------------------
+ Clock functions
+ *----------------------------------------------------------------------------*/
+
+void SystemCoreClockUpdate(void) /* Get Core Clock Frequency */
+{
+ /* ToDo: add code to calculate the system frequency based upon the current
+ register settings.
+ This function can be used to retrieve the system core clock frequeny
+ after user changed register sittings. */
+ SystemCoreClock = SYSTEM_CLOCK;
+}
+
+void SystemInit(void)
+{
+ /* ToDo: add code to initialize the system
+ do not use global variables because this function is called before
+ reaching pre-main. RW section maybe overwritten afterwards. */
+ SystemCoreClock = SYSTEM_CLOCK;
+}
--
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