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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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.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_F401RE/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:
226:b062af740e40
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 87:085cde657901 1 /* mbed Microcontroller Library
mbed_official 87:085cde657901 2 * Copyright (c) 2014, STMicroelectronics
mbed_official 87:085cde657901 3 * All rights reserved.
mbed_official 87:085cde657901 4 *
mbed_official 87:085cde657901 5 * Redistribution and use in source and binary forms, with or without
mbed_official 87:085cde657901 6 * modification, are permitted provided that the following conditions are met:
mbed_official 87:085cde657901 7 *
mbed_official 87:085cde657901 8 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 87:085cde657901 9 * this list of conditions and the following disclaimer.
mbed_official 87:085cde657901 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 87:085cde657901 11 * this list of conditions and the following disclaimer in the documentation
mbed_official 87:085cde657901 12 * and/or other materials provided with the distribution.
mbed_official 87:085cde657901 13 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 87:085cde657901 14 * may be used to endorse or promote products derived from this software
mbed_official 87:085cde657901 15 * without specific prior written permission.
mbed_official 87:085cde657901 16 *
mbed_official 87:085cde657901 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 87:085cde657901 18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 87:085cde657901 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 87:085cde657901 20 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 87:085cde657901 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 87:085cde657901 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 87:085cde657901 23 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 87:085cde657901 24 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 87:085cde657901 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 87:085cde657901 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 87:085cde657901 27 */
mbed_official 87:085cde657901 28 #include <stddef.h>
mbed_official 87:085cde657901 29 #include "us_ticker_api.h"
mbed_official 87:085cde657901 30 #include "PeripheralNames.h"
mbed_official 87:085cde657901 31
mbed_official 226:b062af740e40 32 #define TIM_MST TIM5
mbed_official 87:085cde657901 33
mbed_official 87:085cde657901 34 static TIM_HandleTypeDef TimMasterHandle;
mbed_official 100:0412b5443284 35 static int us_ticker_inited = 0;
mbed_official 87:085cde657901 36
mbed_official 87:085cde657901 37 void us_ticker_init(void) {
mbed_official 87:085cde657901 38 if (us_ticker_inited) return;
mbed_official 87:085cde657901 39 us_ticker_inited = 1;
mbed_official 172:2f4f8c56b261 40
mbed_official 226:b062af740e40 41 TimMasterHandle.Instance = TIM_MST;
mbed_official 172:2f4f8c56b261 42
mbed_official 226:b062af740e40 43 HAL_InitTick(0); // The passed value is not used
mbed_official 87:085cde657901 44 }
mbed_official 87:085cde657901 45
mbed_official 87:085cde657901 46 uint32_t us_ticker_read() {
mbed_official 87:085cde657901 47 if (!us_ticker_inited) us_ticker_init();
mbed_official 100:0412b5443284 48 return TIM_MST->CNT;
mbed_official 87:085cde657901 49 }
mbed_official 87:085cde657901 50
mbed_official 87:085cde657901 51 void us_ticker_set_interrupt(unsigned int timestamp) {
mbed_official 100:0412b5443284 52 // Set new output compare value
mbed_official 100:0412b5443284 53 __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, timestamp);
mbed_official 100:0412b5443284 54 // Enable IT
mbed_official 100:0412b5443284 55 __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 87:085cde657901 56 }
mbed_official 87:085cde657901 57
mbed_official 87:085cde657901 58 void us_ticker_disable_interrupt(void) {
mbed_official 87:085cde657901 59 __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 87:085cde657901 60 }
mbed_official 87:085cde657901 61
mbed_official 87:085cde657901 62 void us_ticker_clear_interrupt(void) {
mbed_official 100:0412b5443284 63 __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
mbed_official 87:085cde657901 64 }