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CLK/Machines/Apple/ADB/ReactiveDevice.hpp
2024-01-16 23:34:46 -05:00

62 lines
1.3 KiB
C++

//
// ReactiveDevice.hpp
// Clock Signal
//
// Created by Thomas Harte on 12/02/2021.
// Copyright © 2021 Thomas Harte. All rights reserved.
//
#pragma once
#include "Bus.hpp"
#include <atomic>
#include <cstddef>
#include <vector>
namespace Apple::ADB {
class ReactiveDevice: public Bus::Device {
protected:
ReactiveDevice(Bus &bus, uint8_t adb_device_id);
void post_response(const std::vector<uint8_t> &&response);
void post_service_request();
void receive_bytes(size_t count);
virtual void perform_command(const Command &command) = 0;
virtual void did_receive_data(const Command &, const std::vector<uint8_t> &) {}
private:
void advance_state(double microseconds, bool current_level) override;
void adb_bus_did_observe_event(Bus::Event event, uint8_t value) override;
private:
Bus &bus_;
const size_t device_id_;
std::vector<uint8_t> response_;
int bit_offset_ = 0;
double microseconds_at_bit_ = 0;
enum class Phase {
AwaitingAttention,
AwaitingCommand,
AwaitingContent,
ServiceRequestPending,
} phase_ = Phase::AwaitingAttention;
std::vector<uint8_t> content_;
size_t expected_content_size_ = 0;
Command command_;
bool stop_has_begin_ = false;
uint16_t register3_;
const uint8_t default_adb_device_id_;
std::atomic<bool> service_desired_ = false;
void reset();
};
}