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