Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_NXP/TARGET_LPC176X/system_LPC17xx.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /******************************************************************************
<> 144:ef7eb2e8f9f7 2 * @file: system_LPC17xx.h
<> 144:ef7eb2e8f9f7 3 * @purpose: CMSIS Cortex-M3 Device Peripheral Access Layer Header File
<> 144:ef7eb2e8f9f7 4 * for the NXP LPC17xx Device Series
<> 144:ef7eb2e8f9f7 5 * @version: V1.02
<> 144:ef7eb2e8f9f7 6 * @date: 27. July 2009
<> 144:ef7eb2e8f9f7 7 *----------------------------------------------------------------------------
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 * Copyright (C) 2009 ARM Limited. All rights reserved.
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * ARM Limited (ARM) is supplying this software for use with Cortex-M3
<> 144:ef7eb2e8f9f7 12 * processor based microcontrollers. This file can be freely distributed
<> 144:ef7eb2e8f9f7 13 * within development tools that are supporting such ARM based processors.
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 * THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
<> 144:ef7eb2e8f9f7 16 * OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
<> 144:ef7eb2e8f9f7 17 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
<> 144:ef7eb2e8f9f7 18 * ARM SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
<> 144:ef7eb2e8f9f7 19 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
<> 144:ef7eb2e8f9f7 20 *
<> 144:ef7eb2e8f9f7 21 ******************************************************************************/
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23
<> 144:ef7eb2e8f9f7 24 #ifndef __SYSTEM_LPC17xx_H
<> 144:ef7eb2e8f9f7 25 #define __SYSTEM_LPC17xx_H
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 28 extern "C" {
<> 144:ef7eb2e8f9f7 29 #endif
<> 144:ef7eb2e8f9f7 30
<> 144:ef7eb2e8f9f7 31 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33
<> 144:ef7eb2e8f9f7 34 /**
<> 144:ef7eb2e8f9f7 35 * Initialize the system
<> 144:ef7eb2e8f9f7 36 *
<> 144:ef7eb2e8f9f7 37 * @param none
<> 144:ef7eb2e8f9f7 38 * @return none
<> 144:ef7eb2e8f9f7 39 *
<> 144:ef7eb2e8f9f7 40 * @brief Setup the microcontroller system.
<> 144:ef7eb2e8f9f7 41 * Initialize the System and update the SystemCoreClock variable.
<> 144:ef7eb2e8f9f7 42 */
<> 144:ef7eb2e8f9f7 43 extern void SystemInit (void);
<> 144:ef7eb2e8f9f7 44
<> 144:ef7eb2e8f9f7 45 /**
<> 144:ef7eb2e8f9f7 46 * Update SystemCoreClock variable
<> 144:ef7eb2e8f9f7 47 *
<> 144:ef7eb2e8f9f7 48 * @param none
<> 144:ef7eb2e8f9f7 49 * @return none
<> 144:ef7eb2e8f9f7 50 *
<> 144:ef7eb2e8f9f7 51 * @brief Updates the SystemCoreClock with current core Clock
<> 144:ef7eb2e8f9f7 52 * retrieved from cpu registers.
<> 144:ef7eb2e8f9f7 53 */
<> 144:ef7eb2e8f9f7 54 extern void SystemCoreClockUpdate (void);
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 57 }
<> 144:ef7eb2e8f9f7 58 #endif
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 #endif /* __SYSTEM_LPC17xx_H */