1 files changed, 99 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/CORTEX_M0_Infineon_XMC1000_IAR_Keil_GCC/Keil_Specific/system_XMC1300.c b/FreeRTOS/Demo/CORTEX_M0_Infineon_XMC1000_IAR_Keil_GCC/Keil_Specific/system_XMC1300.c
new file mode 100644
index 000000000..c83e3fec6
--- /dev/null
+++ b/FreeRTOS/Demo/CORTEX_M0_Infineon_XMC1000_IAR_Keil_GCC/Keil_Specific/system_XMC1300.c
@@ -0,0 +1,99 @@
+/******************************************************************************
+ * @file     system_XMC1300.c
+ * @brief    Device specific initialization for the XMC1300-Series according 
+ * to CMSIS
+ * @version  V1.2
+ * @date     13 Dec 2012
+ *
+ * @note
+ * Copyright (C) 2012-2013 Infineon Technologies AG. All rights reserved.
+
+ *
+ * @par
+ * Infineon Technologies AG (Infineon) is supplying this software for use with 
+ * Infineon’s microcontrollers.
+ *   
+ * This file can be freely distributed within development tools that are 
+ * supporting such microcontrollers.
+ *  
+ *
+ * @par
+ * THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+ * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+ * INFINEON SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
+ * OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+ *
+ ******************************************************************************/
+/*
+ * ************************** Change history *********************************
+ * V1.2, 13 Dec 2012, PKB, Created this table, Changed System_ to system_
+ */
+
+#include "system_XMC1300.h"
+#include <XMC1300.h>
+
+/*---------------------------------------------------------------------------
+ Extern definitions 
+ *--------------------------------------------------------------------------*/
+extern uint32_t AllowClkInitByStartup(void);
+
+/*----------------------------------------------------------------------------
+  Clock Global defines
+ *----------------------------------------------------------------------------*/
+#define DCO_DCLK       64000000UL
+
+/*----------------------------------------------------------------------------
+  Clock Variable definitions
+ *----------------------------------------------------------------------------*/
+/*!< System Clock Frequency (Core Clock)*/
+uint32_t SystemCoreClock;
+
+
+/**
+  * @brief  Setup the microcontroller system.
+  * @param  None
+  * @retval None
+  */
+void SystemInit(void)
+{    
+  /*
+   * Clock tree setup by CMSIS routines is allowed only in the absence of DAVE
+   * Clock app.
+   */ 
+  if(AllowClkInitByStartup()){ 
+  /* Do not change default values of IDIV,FDIV and RTCCLKSEL */
+  /* ====== Default configuration ======= */
+  /*
+   * MCLK    = DCO_DCLK
+   * PCLK    = MCLK
+   * RTC CLK = Standby clock
+   */
+  }
+}
+
+/**
+  * @brief  Update SystemCoreClock according to Clock Register Values
+  * @note   -  
+  * @param  None
+  * @retval None
+  */
+void SystemCoreClockUpdate(void)
+{
+  uint32_t IDIV, CLKCR;
+
+  CLKCR = SCU_CLOCK -> CLKCR;
+  
+  IDIV = (CLKCR & SCU_CLOCK_CLKCR_IDIV_Msk) >> SCU_CLOCK_CLKCR_IDIV_Pos;
+  
+  if(IDIV)
+  {
+    SystemCoreClock = DCO_DCLK / (2 * IDIV );
+  }
+  else
+  {
+    /* Divider bypassed */
+    SystemCoreClock = DCO_DCLK;
+  }
+}
+