mirror of https://github.com/google/pebble
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* Copyright 2024 Google LLC
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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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#include "drivers/gpio.h"
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#include <stdint.h>
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#define GPIO_EN_MASK ((RCC_AHB1ENR_GPIOHEN << 1) - 1)
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void gpio_enable_all(void) {
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RCC->AHB1ENR |= GPIO_EN_MASK;
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}
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void gpio_disable_all(void) {
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RCC->AHB1ENR &= ~GPIO_EN_MASK;
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}
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void gpio_af_init(const AfConfig *af_config, GPIOOType_TypeDef otype, GPIOSpeed_TypeDef speed,
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GPIOPuPd_TypeDef pupd) {
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GPIO_InitTypeDef init = {
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.GPIO_Pin = af_config->gpio_pin,
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.GPIO_Mode = GPIO_Mode_AF,
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.GPIO_Speed = speed,
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.GPIO_OType = otype,
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.GPIO_PuPd = pupd
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};
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GPIO_PinAFConfig(af_config->gpio, af_config->gpio_pin_source, af_config->gpio_af);
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GPIO_Init(af_config->gpio, &init);
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}
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