Diff: targets/cmsis/TARGET_ARM_SSG/TARGET_MPS2_M0P/system_CMSDK_CM0plus.c

Revision:

580:3c14cb9b87c5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/cmsis/TARGET_ARM_SSG/TARGET_MPS2_M0P/system_CMSDK_CM0plus.c	Thu Jul 02 16:15:09 2015 +0100
@@ -0,0 +1,93 @@
+/* MPS2 CMSIS Library
+*
+* Copyright (c) 2006-2015 ARM Limited
+* All rights reserved.
+* 
+* Redistribution and use in source and binary forms, with or without 
+* modification, are permitted provided that the following conditions are met:
+* 
+* 1. Redistributions of source code must retain the above copyright notice, 
+* this list of conditions and the following disclaimer.
+* 
+* 2. Redistributions in binary form must reproduce the above copyright notice, 
+* this list of conditions and the following disclaimer in the documentation 
+* and/or other materials provided with the distribution.
+* 
+* 3. Neither the name of the copyright holder nor the names of its contributors 
+* may be used to endorse or promote products derived from this software without 
+* specific prior written permission.
+* 
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
+* POSSIBILITY OF SUCH DAMAGE. 
+*******************************************************************************
+* @file     system_CMSDK_CM0plus.c
+* @brief    CMSIS Device System Source File for
+*           CMSDK_M0 Device
+* @version  V3.02
+* @date     15. November 2013
+*
+* @note
+*
+*******************************************************************************/
+
+
+
+#include "CMSDK_CM0plus.h"
+
+/*----------------------------------------------------------------------------
+  Define clocks
+ *----------------------------------------------------------------------------*/
+#define __XTAL            (50000000UL)    /* Oscillator frequency             */
+
+#define __SYSTEM_CLOCK    (__XTAL / 2)
+
+
+/*----------------------------------------------------------------------------
+  Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+uint32_t SystemCoreClock = __SYSTEM_CLOCK;/*!< System Clock Frequency (Core Clock)*/
+
+
+/*----------------------------------------------------------------------------
+  Clock functions
+ *----------------------------------------------------------------------------*/
+/**
+ * Update SystemCoreClock variable
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Updates the SystemCoreClock with current core Clock
+ *         retrieved from cpu registers.
+ */
+void SystemCoreClockUpdate (void)
+{
+
+  SystemCoreClock = __SYSTEM_CLOCK;
+
+}
+
+/**
+ * Initialize the system
+ *
+ * @param  none
+ * @return none
+ *
+ * @brief  Setup the microcontroller system.
+ *         Initialize the System.
+ */
+void SystemInit (void)
+{
+
+  SystemCoreClock = __SYSTEM_CLOCK;
+
+}