/* mbed Microcontroller Library * Copyright (c) 2016-2020 STMicroelectronics * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef MBED_PIN_DEVICE_H #define MBED_PIN_DEVICE_H #include "cmsis.h" #include "stm32l4xx_ll_gpio.h" extern const uint32_t ll_pin_defines[16]; /* Family specific implementations */ static inline void stm_pin_DisconnectDebug(PinName pin) { /* empty for now */ } static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config) { switch (pull_config) { case GPIO_PULLUP: LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP); break; case GPIO_PULLDOWN: LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN); break; default: LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO); break; } } static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum) { uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)]; if (STM_PIN(pin) > 7) { LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum); } else { LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum); } } #endif