| // Copyright 2021 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| /* |
| * Command handler. |
| */ |
| |
| #include <iomanip> |
| #include <iostream> |
| #include <memory> |
| #include <utility> |
| |
| #include <string.h> |
| |
| #include <base/command_line.h> |
| #include <base/strings/stringprintf.h> |
| |
| #include "hps/dev.h" |
| #include "hps/hps.h" |
| #include "hps/hps_reg.h" |
| #include "hps/util/command.h" |
| #include "hps/utils.h" |
| |
| namespace { |
| |
| int SendCmd(std::unique_ptr<hps::HPS> hps, |
| const base::CommandLine::StringVector& args) { |
| int cmd; |
| |
| if (args.size() <= 1) { |
| std::cerr << "Missing command ('reset', 'launch' or 'appl' expected)" |
| << std::endl; |
| return 1; |
| } |
| if (args[1] == "reset") { |
| cmd = hps::R3::kReset; |
| } else if (args[1] == "launch") { |
| cmd = hps::R3::kLaunch; |
| } else if (args[1] == "appl") { |
| cmd = hps::R3::kEnable; |
| } else { |
| std::cerr << args[0] << ": Unknown command (" << args[1] << ")" |
| << std::endl; |
| return 1; |
| } |
| |
| for (auto i = 0; i < 5; i++) { |
| int result = hps->Device()->ReadReg(hps::HpsReg(i)); |
| if (result < 0) { |
| std::cout << base::StringPrintf("Register %3d: error (%s)\n", i, |
| hps::HpsRegToString(hps::HpsReg(i))); |
| } else { |
| std::cout << base::StringPrintf("Register %3d: 0x%.4x (%s)\n", i, |
| static_cast<uint16_t>(result), |
| hps::HpsRegToString(hps::HpsReg(i))); |
| } |
| } |
| |
| std::cout << "Sending cmd value 0x" << std::hex << std::setfill('0') |
| << std::setw(4) << cmd << " to register 3" << std::endl; |
| if (hps->Device()->WriteReg(hps::HpsReg::kSysCmd, cmd)) { |
| std::cout << "Success!" << std::endl; |
| } else { |
| std::cout << "Write failed!" << std::endl; |
| } |
| return 0; |
| } |
| |
| Command cmd("cmd", |
| "cmd [ reset | launch | appl ] - Send command to hps.", |
| SendCmd); |
| |
| } // namespace |