commit 99f7c6a79a63b99943ebb7fca8ac96f90a6a60a4
author Austin Schuh <austin.linux@gmail.com> Tue Jun 25 22:07:44 2024 -0700
committer Austin Schuh <austin.linux@gmail.com> Sat Jul 20 11:40:35 2024 -0700
tree f62d61eae9cc18132596df7f52d6ec28d09dc46a
parent 6927bc31c854f264ff7d431918b008620b6b4712

Move over to ABSL logging and flags.

Removes gperftools too since that wants gflags.

Here come the fireworks.

Change-Id: I79cb7bcf60f1047fbfa28bfffc21a0fd692e4b1c
Signed-off-by: Austin Schuh <austin.linux@gmail.com>

y2022/vision/camera_reader_main.cc

diff --git a/y2022/vision/camera_reader_main.cc b/y2022/vision/camera_reader_main.cc
index 278f14b..80b19d2 100644
--- a/y2022/vision/camera_reader_main.cc
+++ b/y2022/vision/camera_reader_main.cc
@@ -1,3 +1,5 @@
+#include "absl/flags/flag.h"
+
 #include "aos/events/shm_event_loop.h"
 #include "aos/init.h"
 #include "y2022/vision/camera_reader.h"
@@ -5,14 +7,15 @@
 // config used to allow running camera_reader independently.  E.g.,
 // bazel run //y2022/vision:camera_reader -- --config y2022/aos_config.json
 //   --override_hostname pi-7971-1  --ignore_timestamps true
-DECLARE_bool(use_outdoors);
-DEFINE_string(config, "aos_config.json", "Path to the config file to use.");
-DEFINE_double(duty_cycle, 0.65, "Duty cycle of the LEDs");
-DEFINE_uint32(exposure, 3,
-              "Exposure time, in 100us increments; 0 implies auto exposure");
-DEFINE_uint32(outdoors_exposure, 2,
-              "Exposure time when using --use_outdoors, in 100us increments; 0 "
-              "implies auto exposure");
+ABSL_DECLARE_FLAG(bool, use_outdoors);
+ABSL_FLAG(std::string, config, "aos_config.json",
+          "Path to the config file to use.");
+ABSL_FLAG(double, duty_cycle, 0.65, "Duty cycle of the LEDs");
+ABSL_FLAG(uint32_t, exposure, 3,
+          "Exposure time, in 100us increments; 0 implies auto exposure");
+ABSL_FLAG(uint32_t, outdoors_exposure, 2,
+          "Exposure time when using --use_outdoors, in 100us increments; 0 "
+          "implies auto exposure");
 
 namespace y2022::vision {
 namespace {
@@ -21,7 +24,7 @@
 
 void CameraReaderMain() {
   aos::FlatbufferDetachedBuffer<aos::Configuration> config =
-      aos::configuration::ReadConfig(FLAGS_config);
+      aos::configuration::ReadConfig(absl::GetFlag(FLAGS_config));
 
   const aos::FlatbufferSpan<calibration::CalibrationData> calibration_data(
       CalibrationData());
@@ -38,8 +41,9 @@
   }
 
   V4L2Reader v4l2_reader(&event_loop, "/dev/video0");
-  const uint32_t exposure =
-      (FLAGS_use_outdoors ? FLAGS_outdoors_exposure : FLAGS_exposure);
+  const uint32_t exposure = (absl::GetFlag(FLAGS_use_outdoors)
+                                 ? absl::GetFlag(FLAGS_outdoors_exposure)
+                                 : absl::GetFlag(FLAGS_exposure));
   if (exposure > 0) {
     LOG(INFO) << "Setting camera to Manual Exposure mode with exposure = "
               << exposure << " or " << static_cast<double>(exposure) / 10.0
@@ -52,7 +56,7 @@
 
   CameraReader camera_reader(&event_loop, &calibration_data.message(),
                              &v4l2_reader);
-  camera_reader.SetDutyCycle(FLAGS_duty_cycle);
+  camera_reader.SetDutyCycle(absl::GetFlag(FLAGS_duty_cycle));
 
   event_loop.Run();
 }