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_NUCLEO_L433RC_P/TARGET_STM/TARGET_STM32L4/pin_device.h@160:5571c4ff569f, 2018-01-17 (annotated)

Committer:
Anna Bridge
Date:
Wed Jan 17 16:13:02 2018 +0000
Revision:
160:5571c4ff569f
Child:
170:e95d10626187
mbed library. Release version 158

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 160:5571c4ff569f 1 /* mbed Microcontroller Library
Anna Bridge 160:5571c4ff569f 2 *******************************************************************************
Anna Bridge 160:5571c4ff569f 3 * Copyright (c) 2016, STMicroelectronics
Anna Bridge 160:5571c4ff569f 4 * All rights reserved.
Anna Bridge 160:5571c4ff569f 5 *
Anna Bridge 160:5571c4ff569f 6 * Redistribution and use in source and binary forms, with or without
Anna Bridge 160:5571c4ff569f 7 * modification, are permitted provided that the following conditions are met:
Anna Bridge 160:5571c4ff569f 8 *
Anna Bridge 160:5571c4ff569f 9 * 1. Redistributions of source code must retain the above copyright notice,
Anna Bridge 160:5571c4ff569f 10 * this list of conditions and the following disclaimer.
Anna Bridge 160:5571c4ff569f 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
Anna Bridge 160:5571c4ff569f 12 * this list of conditions and the following disclaimer in the documentation
Anna Bridge 160:5571c4ff569f 13 * and/or other materials provided with the distribution.
Anna Bridge 160:5571c4ff569f 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
Anna Bridge 160:5571c4ff569f 15 * may be used to endorse or promote products derived from this software
Anna Bridge 160:5571c4ff569f 16 * without specific prior written permission.
Anna Bridge 160:5571c4ff569f 17 *
Anna Bridge 160:5571c4ff569f 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
Anna Bridge 160:5571c4ff569f 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
Anna Bridge 160:5571c4ff569f 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
Anna Bridge 160:5571c4ff569f 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
Anna Bridge 160:5571c4ff569f 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
Anna Bridge 160:5571c4ff569f 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
Anna Bridge 160:5571c4ff569f 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
Anna Bridge 160:5571c4ff569f 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
Anna Bridge 160:5571c4ff569f 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
Anna Bridge 160:5571c4ff569f 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Anna Bridge 160:5571c4ff569f 28 *******************************************************************************
Anna Bridge 160:5571c4ff569f 29 */
Anna Bridge 160:5571c4ff569f 30 #ifndef MBED_PIN_DEVICE_H
Anna Bridge 160:5571c4ff569f 31 #define MBED_PIN_DEVICE_H
Anna Bridge 160:5571c4ff569f 32
Anna Bridge 160:5571c4ff569f 33 #include "cmsis.h"
Anna Bridge 160:5571c4ff569f 34 #include "stm32l4xx_ll_gpio.h"
Anna Bridge 160:5571c4ff569f 35
Anna Bridge 160:5571c4ff569f 36 extern const uint32_t ll_pin_defines[16];
Anna Bridge 160:5571c4ff569f 37
Anna Bridge 160:5571c4ff569f 38 /* Family specific implementations */
Anna Bridge 160:5571c4ff569f 39 static inline void stm_pin_DisconnectDebug(PinName pin)
Anna Bridge 160:5571c4ff569f 40 {
Anna Bridge 160:5571c4ff569f 41 /* empty for now */
Anna Bridge 160:5571c4ff569f 42 }
Anna Bridge 160:5571c4ff569f 43
Anna Bridge 160:5571c4ff569f 44 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
Anna Bridge 160:5571c4ff569f 45 {
Anna Bridge 160:5571c4ff569f 46 switch (pull_config) {
Anna Bridge 160:5571c4ff569f 47 case GPIO_PULLUP:
Anna Bridge 160:5571c4ff569f 48 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
Anna Bridge 160:5571c4ff569f 49 break;
Anna Bridge 160:5571c4ff569f 50 case GPIO_PULLDOWN:
Anna Bridge 160:5571c4ff569f 51 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
Anna Bridge 160:5571c4ff569f 52 break;
Anna Bridge 160:5571c4ff569f 53 default:
Anna Bridge 160:5571c4ff569f 54 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
Anna Bridge 160:5571c4ff569f 55 break;
Anna Bridge 160:5571c4ff569f 56 }
Anna Bridge 160:5571c4ff569f 57 }
Anna Bridge 160:5571c4ff569f 58
Anna Bridge 160:5571c4ff569f 59 static inline void stm_pin_SetAFPin( GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
Anna Bridge 160:5571c4ff569f 60 {
Anna Bridge 160:5571c4ff569f 61 uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
Anna Bridge 160:5571c4ff569f 62
Anna Bridge 160:5571c4ff569f 63 if (STM_PIN(pin) > 7)
Anna Bridge 160:5571c4ff569f 64 LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
Anna Bridge 160:5571c4ff569f 65 else
Anna Bridge 160:5571c4ff569f 66 LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
Anna Bridge 160:5571c4ff569f 67 }
Anna Bridge 160:5571c4ff569f 68
Anna Bridge 160:5571c4ff569f 69 #endif