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Diff: TARGET_KL25Z/system_MKL25Z4.h
- Revision:
- 66:9c8f0e3462fb
- Parent:
- 65:5798e58a58b1
--- a/TARGET_KL25Z/system_MKL25Z4.h Mon Aug 12 13:17:46 2013 +0300 +++ b/TARGET_KL25Z/system_MKL25Z4.h Mon Aug 19 13:34:54 2013 +0300 @@ -1,84 +1,84 @@ -/* -** ################################################################### -** Processor: MKL25Z128VLK4 -** Compilers: ARM Compiler -** Freescale C/C++ for Embedded ARM -** GNU C Compiler -** IAR ANSI C/C++ Compiler for ARM -** -** Reference manual: KL25RM, Rev.1, Jun 2012 -** Version: rev. 1.1, 2012-06-21 -** -** Abstract: -** Provides a system configuration function and a global variable that -** contains the system frequency. It configures the device and initializes -** the oscillator (PLL) that is part of the microcontroller device. -** -** Copyright: 2012 Freescale Semiconductor, Inc. All Rights Reserved. -** -** http: www.freescale.com -** mail: support@freescale.com -** -** Revisions: -** - rev. 1.0 (2012-06-13) -** Initial version. -** - rev. 1.1 (2012-06-21) -** Update according to reference manual rev. 1. -** -** ################################################################### -*/ - -/** - * @file MKL25Z4 - * @version 1.1 - * @date 2012-06-21 - * @brief Device specific configuration file for MKL25Z4 (header file) - * - * Provides a system configuration function and a global variable that contains - * the system frequency. It configures the device and initializes the oscillator - * (PLL) that is part of the microcontroller device. - */ - -#ifndef SYSTEM_MKL25Z4_H_ -#define SYSTEM_MKL25Z4_H_ /**< Symbol preventing repeated inclusion */ - -#ifdef __cplusplus -extern "C" { -#endif - -#include <stdint.h> - -/** - * @brief System clock frequency (core clock) - * - * The system clock frequency supplied to the SysTick timer and the processor - * core clock. This variable can be used by the user application to setup the - * SysTick timer or configure other parameters. It may also be used by debugger to - * query the frequency of the debug timer or configure the trace clock speed - * SystemCoreClock is initialized with a correct predefined value. - */ -extern uint32_t SystemCoreClock; - -/** - * @brief Setup the microcontroller system. - * - * Typically this function configures the oscillator (PLL) that is part of the - * microcontroller device. For systems with variable clock speed it also updates - * the variable SystemCoreClock. SystemInit is called from startup_device file. - */ -void SystemInit (void); - -/** - * @brief Updates the SystemCoreClock variable. - * - * It must be called whenever the core clock is changed during program - * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates - * the current core clock. - */ -void SystemCoreClockUpdate (void); - -#ifdef __cplusplus -} -#endif - -#endif /* #if !defined(SYSTEM_MKL25Z4_H_) */ +/* +** ################################################################### +** Processor: MKL25Z128VLK4 +** Compilers: ARM Compiler +** Freescale C/C++ for Embedded ARM +** GNU C Compiler +** IAR ANSI C/C++ Compiler for ARM +** +** Reference manual: KL25RM, Rev.1, Jun 2012 +** Version: rev. 1.1, 2012-06-21 +** +** Abstract: +** Provides a system configuration function and a global variable that +** contains the system frequency. It configures the device and initializes +** the oscillator (PLL) that is part of the microcontroller device. +** +** Copyright: 2012 Freescale Semiconductor, Inc. All Rights Reserved. +** +** http: www.freescale.com +** mail: support@freescale.com +** +** Revisions: +** - rev. 1.0 (2012-06-13) +** Initial version. +** - rev. 1.1 (2012-06-21) +** Update according to reference manual rev. 1. +** +** ################################################################### +*/ + +/** + * @file MKL25Z4 + * @version 1.1 + * @date 2012-06-21 + * @brief Device specific configuration file for MKL25Z4 (header file) + * + * Provides a system configuration function and a global variable that contains + * the system frequency. It configures the device and initializes the oscillator + * (PLL) that is part of the microcontroller device. + */ + +#ifndef SYSTEM_MKL25Z4_H_ +#define SYSTEM_MKL25Z4_H_ /**< Symbol preventing repeated inclusion */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdint.h> + +/** + * @brief System clock frequency (core clock) + * + * The system clock frequency supplied to the SysTick timer and the processor + * core clock. This variable can be used by the user application to setup the + * SysTick timer or configure other parameters. It may also be used by debugger to + * query the frequency of the debug timer or configure the trace clock speed + * SystemCoreClock is initialized with a correct predefined value. + */ +extern uint32_t SystemCoreClock; + +/** + * @brief Setup the microcontroller system. + * + * Typically this function configures the oscillator (PLL) that is part of the + * microcontroller device. For systems with variable clock speed it also updates + * the variable SystemCoreClock. SystemInit is called from startup_device file. + */ +void SystemInit (void); + +/** + * @brief Updates the SystemCoreClock variable. + * + * It must be called whenever the core clock is changed during program + * execution. SystemCoreClockUpdate() evaluates the clock register settings and calculates + * the current core clock. + */ +void SystemCoreClockUpdate (void); + +#ifdef __cplusplus +} +#endif + +#endif /* #if !defined(SYSTEM_MKL25Z4_H_) */