xeye_ atsu
I2S_Example/system_LPC17xx.h@0:63ed631d8c3a, 2011-01-21 (annotated)
- Committer:
- lynxeyed_atsu
- Date:
- Fri Jan 21 08:39:48 2011 +0000
- Revision:
- 0:63ed631d8c3a
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| lynxeyed_atsu | 0:63ed631d8c3a | 1 | /**************************************************************************//** |
| lynxeyed_atsu | 0:63ed631d8c3a | 2 | * @file system_LPC17xx.h |
| lynxeyed_atsu | 0:63ed631d8c3a | 3 | * @brief CMSIS Cortex-M3 Device Peripheral Access Layer Header File |
| lynxeyed_atsu | 0:63ed631d8c3a | 4 | * for the NXP LPC17xx Device Series |
| lynxeyed_atsu | 0:63ed631d8c3a | 5 | * @version V1.02 |
| lynxeyed_atsu | 0:63ed631d8c3a | 6 | * @date 08. September 2009 |
| lynxeyed_atsu | 0:63ed631d8c3a | 7 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 8 | * @note |
| lynxeyed_atsu | 0:63ed631d8c3a | 9 | * Copyright (C) 2009 ARM Limited. All rights reserved. |
| lynxeyed_atsu | 0:63ed631d8c3a | 10 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 11 | * @par |
| lynxeyed_atsu | 0:63ed631d8c3a | 12 | * ARM Limited (ARM) is supplying this software for use with Cortex-M |
| lynxeyed_atsu | 0:63ed631d8c3a | 13 | * processor based microcontrollers. This file can be freely distributed |
| lynxeyed_atsu | 0:63ed631d8c3a | 14 | * within development tools that are supporting such ARM based processors. |
| lynxeyed_atsu | 0:63ed631d8c3a | 15 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 16 | * @par |
| lynxeyed_atsu | 0:63ed631d8c3a | 17 | * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED |
| lynxeyed_atsu | 0:63ed631d8c3a | 18 | * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF |
| lynxeyed_atsu | 0:63ed631d8c3a | 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. |
| lynxeyed_atsu | 0:63ed631d8c3a | 20 | * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR |
| lynxeyed_atsu | 0:63ed631d8c3a | 21 | * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER. |
| lynxeyed_atsu | 0:63ed631d8c3a | 22 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 23 | ******************************************************************************/ |
| lynxeyed_atsu | 0:63ed631d8c3a | 24 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 25 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 26 | #ifndef __SYSTEM_LPC17xx_H |
| lynxeyed_atsu | 0:63ed631d8c3a | 27 | #define __SYSTEM_LPC17xx_H |
| lynxeyed_atsu | 0:63ed631d8c3a | 28 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 29 | #ifdef __cplusplus |
| lynxeyed_atsu | 0:63ed631d8c3a | 30 | extern "C" { |
| lynxeyed_atsu | 0:63ed631d8c3a | 31 | #endif |
| lynxeyed_atsu | 0:63ed631d8c3a | 32 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 33 | #include <stdint.h> |
| lynxeyed_atsu | 0:63ed631d8c3a | 34 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 35 | /** @addtogroup LPC17xx_System |
| lynxeyed_atsu | 0:63ed631d8c3a | 36 | * @{ |
| lynxeyed_atsu | 0:63ed631d8c3a | 37 | */ |
| lynxeyed_atsu | 0:63ed631d8c3a | 38 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 39 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 40 | extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ |
| lynxeyed_atsu | 0:63ed631d8c3a | 41 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 42 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 43 | /** |
| lynxeyed_atsu | 0:63ed631d8c3a | 44 | * Initialize the system |
| lynxeyed_atsu | 0:63ed631d8c3a | 45 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 46 | * @param none |
| lynxeyed_atsu | 0:63ed631d8c3a | 47 | * @return none |
| lynxeyed_atsu | 0:63ed631d8c3a | 48 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 49 | * @brief Setup the microcontroller system. |
| lynxeyed_atsu | 0:63ed631d8c3a | 50 | * Initialize the System and update the SystemCoreClock variable. |
| lynxeyed_atsu | 0:63ed631d8c3a | 51 | */ |
| lynxeyed_atsu | 0:63ed631d8c3a | 52 | extern void SystemInit (void); |
| lynxeyed_atsu | 0:63ed631d8c3a | 53 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 54 | /** |
| lynxeyed_atsu | 0:63ed631d8c3a | 55 | * Update SystemCoreClock variable |
| lynxeyed_atsu | 0:63ed631d8c3a | 56 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 57 | * @param none |
| lynxeyed_atsu | 0:63ed631d8c3a | 58 | * @return none |
| lynxeyed_atsu | 0:63ed631d8c3a | 59 | * |
| lynxeyed_atsu | 0:63ed631d8c3a | 60 | * @brief Updates the SystemCoreClock with current core Clock |
| lynxeyed_atsu | 0:63ed631d8c3a | 61 | * retrieved from cpu registers. |
| lynxeyed_atsu | 0:63ed631d8c3a | 62 | */ |
| lynxeyed_atsu | 0:63ed631d8c3a | 63 | extern void SystemCoreClockUpdate (void); |
| lynxeyed_atsu | 0:63ed631d8c3a | 64 | #ifdef __cplusplus |
| lynxeyed_atsu | 0:63ed631d8c3a | 65 | } |
| lynxeyed_atsu | 0:63ed631d8c3a | 66 | #endif |
| lynxeyed_atsu | 0:63ed631d8c3a | 67 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 68 | /** |
| lynxeyed_atsu | 0:63ed631d8c3a | 69 | * @} |
| lynxeyed_atsu | 0:63ed631d8c3a | 70 | */ |
| lynxeyed_atsu | 0:63ed631d8c3a | 71 | |
| lynxeyed_atsu | 0:63ed631d8c3a | 72 | #endif /* __SYSTEM_LPC17xx_H */ |