| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| use crate::gpio::facade::GpioFacade; |
| use crate::gpio::types::{ |
| ConfigInRequest, ConfigOutRequest, GpioMethod, ReadRequest, SetDriveStrengthRequest, |
| WriteRequest, |
| }; |
| use crate::server::Facade; |
| use anyhow::Error; |
| use async_trait::async_trait; |
| use serde_json::{to_value, Value}; |
| use std::convert::TryFrom; |
| |
| #[async_trait(?Send)] |
| impl Facade for GpioFacade { |
| async fn handle_request(&self, method: String, args: Value) -> Result<Value, Error> { |
| match GpioMethod::try_from((method.as_str(), args))? { |
| GpioMethod::ConfigIn(ConfigInRequest { pin, flags }) => { |
| let result = self.config_in(pin, flags).await?; |
| Ok(to_value(result)?) |
| } |
| |
| GpioMethod::ConfigOut(ConfigOutRequest { pin, value }) => { |
| let result = self.config_out(pin, value).await?; |
| Ok(to_value(result)?) |
| } |
| |
| GpioMethod::Read(ReadRequest { pin }) => { |
| let result = self.read(pin).await?; |
| Ok(to_value(result)?) |
| } |
| |
| GpioMethod::Write(WriteRequest { pin, value }) => { |
| let result = self.write(pin, value).await?; |
| Ok(to_value(result)?) |
| } |
| |
| GpioMethod::SetDriveStrength(SetDriveStrengthRequest { pin, ds_ua }) => { |
| let result = self.set_drive_strength(pin, ds_ua).await?; |
| Ok(to_value(result)?) |
| } |
| |
| _ => bail!("Invalid Gpio Facade FIDL method: {:?}", method), |
| } |
| } |
| } |