Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Atmel/TARGET_SAM_CortexM4/sleep_api.c@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
107:414e9c822e99 
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 107:414e9c822e99 1 /* mbed Microcontroller Library
mbed_official 107:414e9c822e99 2 * Copyright (c) 2006-2015 ARM Limited
mbed_official 107:414e9c822e99 3 *
mbed_official 107:414e9c822e99 4 * Licensed under the Apache License, Version 2.0 (the "License");
mbed_official 107:414e9c822e99 5 * you may not use this file except in compliance with the License.
mbed_official 107:414e9c822e99 6 * You may obtain a copy of the License at
mbed_official 107:414e9c822e99 7 *
mbed_official 107:414e9c822e99 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 107:414e9c822e99 9 *
mbed_official 107:414e9c822e99 10 * Unless required by applicable law or agreed to in writing, software
mbed_official 107:414e9c822e99 11 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 107:414e9c822e99 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 107:414e9c822e99 13 * See the License for the specific language governing permissions and
mbed_official 107:414e9c822e99 14 * limitations under the License.
mbed_official 107:414e9c822e99 15 */
mbed_official 107:414e9c822e99 16 #include "mbed_assert.h"
mbed_official 107:414e9c822e99 17 #include "sleep_api.h"
mbed_official 107:414e9c822e99 18 #include "sleepmgr.h"
mbed_official 107:414e9c822e99 19
mbed_official 107:414e9c822e99 20 /** Send the device to sleep
mbed_official 107:414e9c822e99 21 *
mbed_official 107:414e9c822e99 22 * The processor is setup ready for sleep, and sent to sleep using __WFI(). In this mode, the
mbed_official 107:414e9c822e99 23 * system clock to the core is stopped until a reset or an interrupt occurs.
mbed_official 107:414e9c822e99 24 * @param[void] void
mbed_official 107:414e9c822e99 25 * @return void
mbed_official 107:414e9c822e99 26 */
mbed_official 107:414e9c822e99 27 void sleep(void)
mbed_official 107:414e9c822e99 28 {
mbed_official 107:414e9c822e99 29 enum sleepmgr_mode sleep_mode;
mbed_official 107:414e9c822e99 30
mbed_official 107:414e9c822e99 31 sleep_mode = SLEEPMGR_SLEEP_WFI;
mbed_official 107:414e9c822e99 32 sleepmgr_sleep(sleep_mode);
mbed_official 107:414e9c822e99 33
mbed_official 107:414e9c822e99 34 }
mbed_official 107:414e9c822e99 35 /** Send the device to deep sleep
mbed_official 107:414e9c822e99 36 *
mbed_official 107:414e9c822e99 37 * This processor is setup ready for deep sleep, and sent to sleep using __WFI(). This mode
mbed_official 107:414e9c822e99 38 * has the same sleep features as sleep plus it powers down peripherals and clocks. All state
mbed_official 107:414e9c822e99 39 * is still maintained.
mbed_official 107:414e9c822e99 40 * @param[void] void
mbed_official 107:414e9c822e99 41 * @return void
mbed_official 107:414e9c822e99 42 */
mbed_official 107:414e9c822e99 43 void deepsleep(void)
mbed_official 107:414e9c822e99 44 {
mbed_official 107:414e9c822e99 45 enum sleepmgr_mode sleep_mode;
mbed_official 107:414e9c822e99 46
mbed_official 107:414e9c822e99 47 sleep_mode = SLEEPMGR_SLEEP_WFE;
mbed_official 107:414e9c822e99 48 sleepmgr_sleep(sleep_mode);
mbed_official 107:414e9c822e99 49 }