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Diff: TARGET_LPC4337/system_LPC43xx.h
- Revision:
- 89:552587b429a1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_LPC4337/system_LPC43xx.h Fri Sep 12 16:41:52 2014 +0100 @@ -0,0 +1,90 @@ +/* + * @brief LPC43xx/LPC18xx mcu header + * + * Copyright(C) NXP Semiconductors, 2012 + * All rights reserved. + * + * Software that is described herein is for illustrative purposes only + * which provides customers with programming information regarding the + * LPC products. This software is supplied "AS IS" without any warranties of + * any kind, and NXP Semiconductors and its licensor disclaim any and + * all warranties, express or implied, including all implied warranties of + * merchantability, fitness for a particular purpose and non-infringement of + * intellectual property rights. NXP Semiconductors assumes no responsibility + * or liability for the use of the software, conveys no license or rights under any + * patent, copyright, mask work right, or any other intellectual property rights in + * or to any products. NXP Semiconductors reserves the right to make changes + * in the software without notification. NXP Semiconductors also makes no + * representation or warranty that such application will be suitable for the + * specified use without further testing or modification. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation is hereby granted, under NXP Semiconductors' and its + * licensor's relevant copyrights in the software, without fee, provided that it + * is used in conjunction with NXP Semiconductors microcontrollers. This + * copyright, permission, and disclaimer notice must appear in all copies of + * this code. + */ + +#ifndef __SYSTEM_LPC43XX_H +#define __SYSTEM_LPC43XX_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* System initialization options */ +#define PIN_SETUP 1 /* Configure pins during initialization */ +#define CLOCK_SETUP 1 /* Configure clocks during initialization */ +#define MEMORY_SETUP 0 /* Configure external memory during init */ +#define SPIFI_INIT 1 /* Initialize SPIFI */ + +/* Crystal frequency into device */ +#define CRYSTAL_MAIN_FREQ_IN 12000000 + +/* Crystal frequency into device for RTC/32K input */ +#define CRYSTAL_32K_FREQ_IN 32768 + +/* Default CPU clock frequency */ +#if defined(CHIP_LPC43XX) +#define MAX_CLOCK_FREQ (204000000) +#else +#define MAX_CLOCK_FREQ (180000000) +#endif + +#if defined(__FPU_PRESENT) && __FPU_PRESENT == 1 + /* FPU declarations */ + #define LPC_CPACR 0xE000ED88 + + #define SCB_MVFR0 0xE000EF40 + #define SCB_MVFR0_RESET 0x10110021 + + #define SCB_MVFR1 0xE000EF44 + #define SCB_MVFR1_RESET 0x11000011 + + #if defined(__ARMCC_VERSION) + void fpuInit(void) __attribute__ ((section("BOOTSTRAP_CODE"))); + #else + extern void fpuInit(void); + #endif +#endif + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + +/** + * Initialize the system + * + * @param none + * @return none + * + * @brief Setup the microcontroller system. + * Initialize the System and update the SystemCoreClock variable. + */ +extern void SystemInit (void); +extern void SystemCoreClockUpdate(void); + +#ifdef __cplusplus +} +#endif + +#endif /* __SYSTEM_LPC43XX_H */