mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

targets/hal/TARGET_STM/TARGET_NUCLEO_F411RE/us_ticker.c@268:402bcc0c870b, 2014-07-29 (annotated)

Committer:
mbed_official
Date:
Tue Jul 29 19:00:07 2014 +0100
Revision:
268:402bcc0c870b
Parent:
235:685d5f11838f
Child:
304:89b9c3a9a045
Synchronized with git revision 490d1a6606b3138f165c5edf2f2370ca616587c0



Full URL: https://github.com/mbedmicro/mbed/commit/490d1a6606b3138f165c5edf2f2370ca616587c0/



[LPC1114] Sleep fix + some device.h settings

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 235:685d5f11838f 1 /* mbed Microcontroller Library
mbed_official 235:685d5f11838f 2 * Copyright (c) 2014, STMicroelectronics
mbed_official 235:685d5f11838f 3 * All rights reserved.
mbed_official 235:685d5f11838f 4 *
mbed_official 235:685d5f11838f 5 * Redistribution and use in source and binary forms, with or without
mbed_official 235:685d5f11838f 6 * modification, are permitted provided that the following conditions are met:
mbed_official 235:685d5f11838f 7 *
mbed_official 235:685d5f11838f 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 235:685d5f11838f 9 * this list of conditions and the following disclaimer.
mbed_official 235:685d5f11838f 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 235:685d5f11838f 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 235:685d5f11838f 12 * and/or other materials provided with the distribution.
mbed_official 235:685d5f11838f 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 235:685d5f11838f 14 * may be used to endorse or promote products derived from this software
mbed_official 235:685d5f11838f 15 * without specific prior written permission.
mbed_official 235:685d5f11838f 16 *
mbed_official 235:685d5f11838f 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 235:685d5f11838f 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 235:685d5f11838f 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 235:685d5f11838f 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 235:685d5f11838f 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 235:685d5f11838f 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 235:685d5f11838f 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 235:685d5f11838f 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 235:685d5f11838f 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 235:685d5f11838f 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 235:685d5f11838f 27 */
mbed_official 235:685d5f11838f 28 #include <stddef.h>
mbed_official 235:685d5f11838f 29 #include "us_ticker_api.h"
mbed_official 235:685d5f11838f 30 #include "PeripheralNames.h"
mbed_official 235:685d5f11838f 31
mbed_official 235:685d5f11838f 32 #define TIM_MST TIM5
mbed_official 235:685d5f11838f 33
mbed_official 235:685d5f11838f 34 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 235:685d5f11838f 35 static int us_ticker_inited = 0;
mbed_official 235:685d5f11838f 36
mbed_official 235:685d5f11838f 37 void us_ticker_init(void)
mbed_official 235:685d5f11838f 38 {
mbed_official 235:685d5f11838f 39 if (us_ticker_inited) return;
mbed_official 235:685d5f11838f 40 us_ticker_inited = 1;
mbed_official 235:685d5f11838f 41
mbed_official 235:685d5f11838f 42 TimMasterHandle.Instance = TIM_MST;
mbed_official 235:685d5f11838f 43
mbed_official 235:685d5f11838f 44 HAL_InitTick(0); // The passed value is not used
mbed_official 235:685d5f11838f 45 }
mbed_official 235:685d5f11838f 46
mbed_official 235:685d5f11838f 47 uint32_t us_ticker_read()
mbed_official 235:685d5f11838f 48 {
mbed_official 235:685d5f11838f 49 if (!us_ticker_inited) us_ticker_init();
mbed_official 235:685d5f11838f 50 return TIM_MST->CNT;
mbed_official 235:685d5f11838f 51 }
mbed_official 235:685d5f11838f 52
mbed_official 235:685d5f11838f 53 void us_ticker_set_interrupt(unsigned int timestamp)
mbed_official 235:685d5f11838f 54 {
mbed_official 235:685d5f11838f 55 // Set new output compare value
mbed_official 235:685d5f11838f 56 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, timestamp);
mbed_official 235:685d5f11838f 57 // Enable IT
mbed_official 235:685d5f11838f 58 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 235:685d5f11838f 59 }
mbed_official 235:685d5f11838f 60
mbed_official 235:685d5f11838f 61 void us_ticker_disable_interrupt(void)
mbed_official 235:685d5f11838f 62 {
mbed_official 235:685d5f11838f 63 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 235:685d5f11838f 64 }
mbed_official 235:685d5f11838f 65
mbed_official 235:685d5f11838f 66 void us_ticker_clear_interrupt(void)
mbed_official 235:685d5f11838f 67 {
mbed_official 235:685d5f11838f 68 __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 235:685d5f11838f 69 }