mirror of
https://github.com/google/pebble.git
synced 2025-05-05 09:21:40 -04:00
57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
/*
|
|
* Copyright 2024 Google LLC
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdbool.h>
|
|
|
|
#if defined(MICRO_FAMILY_STM32F2)
|
|
#include "stm32f2xx_gpio.h"
|
|
#elif defined(MICRO_FAMILY_STM32F4)
|
|
#include "stm32f4xx_gpio.h"
|
|
#endif
|
|
|
|
#include "board/board.h"
|
|
|
|
void gpio_use(GPIO_TypeDef* GPIOx);
|
|
void gpio_release(GPIO_TypeDef* GPIOx);
|
|
|
|
//! Initialize a GPIO as an output.
|
|
//!
|
|
//! @param pin_config the BOARD_CONFIG pin configuration struct
|
|
//! @param otype the output type of the pin (GPIO_OType_PP or GPIO_OType_OD)
|
|
//! @param speed the output slew rate
|
|
//! @note The slew rate should be set as low as possible for the
|
|
//! pin function to minimize ringing and RF interference.
|
|
void gpio_output_init(OutputConfig pin_config, GPIOOType_TypeDef otype,
|
|
GPIOSpeed_TypeDef speed);
|
|
|
|
//! Assert or deassert the output pin.
|
|
//!
|
|
//! Asserting the output drives the pin high if pin_config.active_high
|
|
//! is true, and drives it low if pin_config.active_high is false.
|
|
void gpio_output_set(OutputConfig pin_config, bool asserted);
|
|
|
|
//! Configure a GPIO alternate function.
|
|
//!
|
|
//! @param pin_config the BOARD_CONFIG pin configuration struct
|
|
//! @param otype the output type of the pin (GPIO_OType_PP or GPIO_OType_OD)
|
|
//! @param speed the output slew rate
|
|
//! @param pupd pull-up or pull-down configuration
|
|
//! @note The slew rate should be set as low as possible for the
|
|
//! pin function to minimize ringing and RF interference.
|
|
void gpio_af_init(AfConfig af_config, GPIOOType_TypeDef otype,
|
|
GPIOSpeed_TypeDef speed, GPIOPuPd_TypeDef pupd);
|