| // Copyright 2019 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. |
| |
| #include <fbl/unique_fd.h> |
| #include <fcntl.h> |
| #include <fuchsia/hardware/thermal/c/fidl.h> |
| #include <lib/fdio/fdio.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| |
| #include "thermal-cli.h" |
| |
| constexpr char kUsageMessage[] = R"""(Usage: thermal-cli <device> <command> |
| |
| temp - Read the device's thermal sensor in degrees C |
| fan [value] - Get or set the fan speed |
| freq <big/little> [value] - Get or set the cluster frequency in Hz |
| |
| Example: |
| thermal-cli /dev/class/thermal/000 freq big 1000000000 |
| )"""; |
| |
| zx_status_t GetDeviceHandle(const char* path, zx::channel* handle) { |
| fbl::unique_fd fd(open(path, O_RDWR)); |
| if (fd.get() < -1) { |
| fprintf(stderr, "Failed to open thermal device: %d\n", fd.get()); |
| return ZX_ERR_IO; |
| } |
| |
| zx_status_t status = fdio_get_service_handle(fd.release(), handle->reset_and_get_address()); |
| if (status != ZX_OK) { |
| fprintf(stderr, "Failed to get FDIO handle for thermal device: %d\n", status); |
| } |
| return status; |
| } |
| |
| int main(int argc, char** argv) { |
| if (argc < 3) { |
| printf("%s", kUsageMessage); |
| return 0; |
| } |
| |
| zx::channel channel; |
| zx_status_t status = GetDeviceHandle(argv[1], &channel); |
| if (status != ZX_OK) { |
| return 1; |
| } |
| |
| ThermalCli thermal_cli(std::move(channel)); |
| |
| if (strcmp(argv[2], "temp") == 0) { |
| status = thermal_cli.PrintTemperature(); |
| } else if (strcmp(argv[2], "fan") == 0) { |
| const char* value = argc >= 4 ? argv[3] : nullptr; |
| status = thermal_cli.FanLevelCommand(value); |
| } else if (strcmp(argv[2], "freq") == 0 && argc >= 4) { |
| uint32_t cluster = fuchsia_hardware_thermal_PowerDomain_BIG_CLUSTER_POWER_DOMAIN; |
| if (strcmp(argv[3], "little") == 0) { |
| cluster = fuchsia_hardware_thermal_PowerDomain_LITTLE_CLUSTER_POWER_DOMAIN; |
| } |
| |
| const char* value = argc >= 5 ? argv[4] : nullptr; |
| status = thermal_cli.FrequencyCommand(cluster, value); |
| } else { |
| printf("%s", kUsageMessage); |
| return 1; |
| } |
| |
| if (status != ZX_OK) { |
| return 1; |
| } |
| return 0; |
| } |