added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
121:7f86b4238bec
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
mbed_official 121:7f86b4238bec 1 /* mbed Microcontroller Library
mbed_official 121:7f86b4238bec 2 * CMSIS-style functionality to support dynamic vectors
mbed_official 121:7f86b4238bec 3 *******************************************************************************
mbed_official 121:7f86b4238bec 4 * Copyright (c) 2011 ARM Limited. All rights reserved.
mbed_official 121:7f86b4238bec 5 * All rights reserved.
mbed_official 121:7f86b4238bec 6 *
mbed_official 121:7f86b4238bec 7 * Redistribution and use in source and binary forms, with or without
mbed_official 121:7f86b4238bec 8 * modification, are permitted provided that the following conditions are met:
mbed_official 121:7f86b4238bec 9 *
mbed_official 121:7f86b4238bec 10 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 121:7f86b4238bec 11 * this list of conditions and the following disclaimer.
mbed_official 121:7f86b4238bec 12 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 121:7f86b4238bec 13 * this list of conditions and the following disclaimer in the documentation
mbed_official 121:7f86b4238bec 14 * and/or other materials provided with the distribution.
mbed_official 121:7f86b4238bec 15 * 3. Neither the name of ARM Limited nor the names of its contributors
mbed_official 121:7f86b4238bec 16 * may be used to endorse or promote products derived from this software
mbed_official 121:7f86b4238bec 17 * without specific prior written permission.
mbed_official 121:7f86b4238bec 18 *
mbed_official 121:7f86b4238bec 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 121:7f86b4238bec 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 121:7f86b4238bec 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 121:7f86b4238bec 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 121:7f86b4238bec 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 121:7f86b4238bec 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 121:7f86b4238bec 25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 121:7f86b4238bec 26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 121:7f86b4238bec 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 121:7f86b4238bec 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 121:7f86b4238bec 29 *******************************************************************************
mbed_official 121:7f86b4238bec 30 */
mbed_official 121:7f86b4238bec 31 #include "cmsis_nvic.h"
mbed_official 121:7f86b4238bec 32
mbed_official 121:7f86b4238bec 33 extern void InstallIRQHandler(IRQn_Type irq, uint32_t irqHandler);
mbed_official 121:7f86b4238bec 34
mbed_official 121:7f86b4238bec 35 void NVIC_SetVector(IRQn_Type IRQn, uint32_t vector) {
mbed_official 121:7f86b4238bec 36 InstallIRQHandler(IRQn, vector);
mbed_official 121:7f86b4238bec 37 }
mbed_official 121:7f86b4238bec 38
mbed_official 121:7f86b4238bec 39 uint32_t NVIC_GetVector(IRQn_Type IRQn) {
mbed_official 121:7f86b4238bec 40 uint32_t *vectors = (uint32_t*)SCB->VTOR;
mbed_official 121:7f86b4238bec 41 return vectors[IRQn + 16];
mbed_official 121:7f86b4238bec 42 }