mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_DISCO_L476VG/TARGET_STM/TARGET_STM32L4/pin_device.h@151:675da3299148, 2017-09-15 (annotated)

Committer:
AnnaBridge
Date:
Fri Sep 15 14:46:57 2017 +0100
Revision:
151:675da3299148
Parent:
138:093f2bd7b9eb
Child:
170:e95d10626187
Release 151 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 138:093f2bd7b9eb 1 /* mbed Microcontroller Library
<> 138:093f2bd7b9eb 2 *******************************************************************************
<> 138:093f2bd7b9eb 3 * Copyright (c) 2016, STMicroelectronics
<> 138:093f2bd7b9eb 4 * All rights reserved.
<> 138:093f2bd7b9eb 5 *
<> 138:093f2bd7b9eb 6 * Redistribution and use in source and binary forms, with or without
<> 138:093f2bd7b9eb 7 * modification, are permitted provided that the following conditions are met:
<> 138:093f2bd7b9eb 8 *
<> 138:093f2bd7b9eb 9 * 1. Redistributions of source code must retain the above copyright notice,
<> 138:093f2bd7b9eb 10 * this list of conditions and the following disclaimer.
<> 138:093f2bd7b9eb 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 138:093f2bd7b9eb 12 * this list of conditions and the following disclaimer in the documentation
<> 138:093f2bd7b9eb 13 * and/or other materials provided with the distribution.
<> 138:093f2bd7b9eb 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 138:093f2bd7b9eb 15 * may be used to endorse or promote products derived from this software
<> 138:093f2bd7b9eb 16 * without specific prior written permission.
<> 138:093f2bd7b9eb 17 *
<> 138:093f2bd7b9eb 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 138:093f2bd7b9eb 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 138:093f2bd7b9eb 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 138:093f2bd7b9eb 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 138:093f2bd7b9eb 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 138:093f2bd7b9eb 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 138:093f2bd7b9eb 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 138:093f2bd7b9eb 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 138:093f2bd7b9eb 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 138:093f2bd7b9eb 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 138:093f2bd7b9eb 28 *******************************************************************************
<> 138:093f2bd7b9eb 29 */
<> 138:093f2bd7b9eb 30 #ifndef MBED_PIN_DEVICE_H
<> 138:093f2bd7b9eb 31 #define MBED_PIN_DEVICE_H
<> 138:093f2bd7b9eb 32
<> 138:093f2bd7b9eb 33 #include "cmsis.h"
<> 138:093f2bd7b9eb 34 #include "stm32l4xx_ll_gpio.h"
<> 138:093f2bd7b9eb 35
<> 138:093f2bd7b9eb 36 extern const uint32_t ll_pin_defines[16];
<> 138:093f2bd7b9eb 37
<> 138:093f2bd7b9eb 38 /* Family specific implementations */
<> 138:093f2bd7b9eb 39 static inline void stm_pin_DisconnectDebug(PinName pin)
<> 138:093f2bd7b9eb 40 {
<> 138:093f2bd7b9eb 41 /* empty for now */
<> 138:093f2bd7b9eb 42 }
<> 138:093f2bd7b9eb 43
<> 138:093f2bd7b9eb 44 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
<> 138:093f2bd7b9eb 45 {
<> 138:093f2bd7b9eb 46 switch (pull_config) {
<> 138:093f2bd7b9eb 47 case GPIO_PULLUP:
<> 138:093f2bd7b9eb 48 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
<> 138:093f2bd7b9eb 49 break;
<> 138:093f2bd7b9eb 50 case GPIO_PULLDOWN:
<> 138:093f2bd7b9eb 51 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
<> 138:093f2bd7b9eb 52 break;
<> 138:093f2bd7b9eb 53 default:
<> 138:093f2bd7b9eb 54 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
<> 138:093f2bd7b9eb 55 break;
<> 138:093f2bd7b9eb 56 }
<> 138:093f2bd7b9eb 57 }
<> 138:093f2bd7b9eb 58
<> 138:093f2bd7b9eb 59 static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
<> 138:093f2bd7b9eb 60 {
<> 138:093f2bd7b9eb 61 uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
<> 138:093f2bd7b9eb 62
<> 138:093f2bd7b9eb 63 if (STM_PIN(pin) > 7)
<> 138:093f2bd7b9eb 64 LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
<> 138:093f2bd7b9eb 65 else
<> 138:093f2bd7b9eb 66 LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
<> 138:093f2bd7b9eb 67 }
<> 138:093f2bd7b9eb 68
<> 138:093f2bd7b9eb 69 #endif