Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/cmsis/TARGET_ARM_SSG/TARGET_BEETLE/system_CMSDK_BEETLE.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 * Copyright (c) 2009-2016 ARM Limited. All rights reserved.
<> 144:ef7eb2e8f9f7 3 *
<> 144:ef7eb2e8f9f7 4 * SPDX-License-Identifier: Apache-2.0
<> 144:ef7eb2e8f9f7 5 *
<> 144:ef7eb2e8f9f7 6 * Licensed under the Apache License, Version 2.0 (the License); you may
<> 144:ef7eb2e8f9f7 7 * not use this file except in compliance with the License.
<> 144:ef7eb2e8f9f7 8 * You may obtain a copy of the License at
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * http://www.apache.org/licenses/LICENSE-2.0
<> 144:ef7eb2e8f9f7 11 *
<> 144:ef7eb2e8f9f7 12 * Unless required by applicable law or agreed to in writing, software
<> 144:ef7eb2e8f9f7 13 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
<> 144:ef7eb2e8f9f7 14 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 144:ef7eb2e8f9f7 15 * See the License for the specific language governing permissions and
<> 144:ef7eb2e8f9f7 16 * limitations under the License.
<> 144:ef7eb2e8f9f7 17 */
<> 144:ef7eb2e8f9f7 18 /*
<> 144:ef7eb2e8f9f7 19 * This file is derivative of CMSIS V5.00 system_ARMCM3.h
<> 144:ef7eb2e8f9f7 20 */
<> 144:ef7eb2e8f9f7 21
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 #ifndef SYSTEM_CMSDK_BEETLE_H
<> 144:ef7eb2e8f9f7 24 #define SYSTEM_CMSDK_BEETLE_H
<> 144:ef7eb2e8f9f7 25
<> 144:ef7eb2e8f9f7 26 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 27 extern "C" {
<> 144:ef7eb2e8f9f7 28 #endif
<> 144:ef7eb2e8f9f7 29
<> 144:ef7eb2e8f9f7 30 extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */
<> 144:ef7eb2e8f9f7 31
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 /**
<> 144:ef7eb2e8f9f7 34 * Initialize the system
<> 144:ef7eb2e8f9f7 35 *
<> 144:ef7eb2e8f9f7 36 * @param none
<> 144:ef7eb2e8f9f7 37 * @return none
<> 144:ef7eb2e8f9f7 38 *
<> 144:ef7eb2e8f9f7 39 * @brief Setup the microcontroller system.
<> 144:ef7eb2e8f9f7 40 * Initialize the System and update the SystemCoreClock variable.
<> 144:ef7eb2e8f9f7 41 */
<> 144:ef7eb2e8f9f7 42 extern void SystemInit (void);
<> 144:ef7eb2e8f9f7 43
<> 144:ef7eb2e8f9f7 44 /**
<> 144:ef7eb2e8f9f7 45 * Update SystemCoreClock variable
<> 144:ef7eb2e8f9f7 46 *
<> 144:ef7eb2e8f9f7 47 * @param none
<> 144:ef7eb2e8f9f7 48 * @return none
<> 144:ef7eb2e8f9f7 49 *
<> 144:ef7eb2e8f9f7 50 * @brief Updates the SystemCoreClock with current core Clock
<> 144:ef7eb2e8f9f7 51 * retrieved from cpu registers.
<> 144:ef7eb2e8f9f7 52 */
<> 144:ef7eb2e8f9f7 53 extern void SystemCoreClockUpdate (void);
<> 144:ef7eb2e8f9f7 54
<> 144:ef7eb2e8f9f7 55 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 56 }
<> 144:ef7eb2e8f9f7 57 #endif
<> 144:ef7eb2e8f9f7 58
<> 144:ef7eb2e8f9f7 59 #endif /* SYSTEM_CMSDK_BEETLE_H */