From 0e5549aee87b98310eaba7dd3bba9828d2331eab Mon Sep 17 00:00:00 2001
From: Nikita Kostovsky <luntik2012@gmail.com>
Date: Sun, 26 Jan 2025 19:14:47 +0100
Subject: add gain control, laser level (strobe span) control

---
 main.cpp | 66 ++++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 43 insertions(+), 23 deletions(-)

(limited to 'main.cpp')

diff --git a/main.cpp b/main.cpp
index 53fb08b..df80796 100644
--- a/main.cpp
+++ b/main.cpp
@@ -143,7 +143,7 @@ int main(int argc, char* argv[])
         InnoMakerOV9281 innoMakerCam;
         qDebug() << "init:" << innoMakerCam.init();
         qDebug() << "set exposure:" << innoMakerCam.setExposureTimeUs(3000);
-        qDebug() << "set gain:" << innoMakerCam.setGain(3000);
+        qDebug() << "set gain:" << innoMakerCam.setGain(0);
 
         innoMakerCam.startStream();
         QThread::sleep(3);
@@ -552,7 +552,7 @@ int main(int argc, char* argv[])
     qHttpServer.route(
         "/v1/sensor/params",
         [&](const QHttpServerRequest& request) -> QHttpServerResponse {
-            std::cout << "http: params" << std::endl;
+            // std::cout << "http: params" << std::endl;
             switch (request.method())
             {
             case QHttpServerRequest::Method::Get: {
@@ -587,7 +587,7 @@ int main(int argc, char* argv[])
             }
 
             case QHttpServerRequest::Method::Post: {
-                qDebug() << "request body:" << request.body();
+                // qDebug() << "request body:" << request.body();
 
                 auto json = QJsonDocument::fromJson(request.body()).object();
 
@@ -599,7 +599,7 @@ int main(int argc, char* argv[])
                         return QHttpServerResponse::StatusCode::
                             RequestRangeNotSatisfiable;
 
-                    qDebug() << "set new exposure time:" << value;
+                    // qDebug() << "set new exposure time:" << value;
 
                     // requested_params.exposureTime = value;
                     if (!camera->setExposureTimeUs(value))
@@ -607,37 +607,57 @@ int main(int argc, char* argv[])
                             RequestRangeNotSatisfiable;
                 }
 
+                if (json.contains(gainKey))
+                {
+                    const int32_t value{json[gainKey].toInt()};
+
+                    if (value == 0)
+                        return QHttpServerResponse::StatusCode::
+                            RequestRangeNotSatisfiable;
+
+                    // qDebug() << "set gain:" << value;
+
+                    // requested_params.exposureTime = value;
+                    if (!camera->setGain(value))
+                        return QHttpServerResponse::StatusCode::
+                            RequestRangeNotSatisfiable;
+                }
+
                 if (json.contains(laserLevelKey))
                 {
                     const int32_t value{json[laserLevelKey].toInt()};
 
-                    if (value == 0)
-                    {
-                        return QHttpServerResponse::StatusCode::NotFound;
-                    }
+                    // if (value == 0)
+                    // {
+                    //     return QHttpServerResponse::StatusCode::NotFound;
+                    // }
+
+                    // qDebug() << "set new laserLevel:" << value;
+                    if (!camera->setLaserLevel(value))
+                        return QHttpServerResponse::StatusCode::
+                            RequestRangeNotSatisfiable;
 
-                    qDebug() << "set new laserLevel:" << value;
                     requested_params.laserLevel = value;
 
-                    const QString laserLevelFile{
-                        "/sys/class/pwm/pwmchip2/pwm1/duty_cycle"};
-                    QFile f{laserLevelFile};
+                    // const QString laserLevelFile{
+                    //     "/sys/class/pwm/pwmchip2/pwm1/duty_cycle"};
+                    // QFile f{laserLevelFile};
 
-                    if (!f.open(QFile::ReadWrite))
-                    {
-                        qDebug() << "cannot open laser level file:"
-                                 << f.errorString();
-                        qDebug() << "file path is" << f.fileName();
-                        return QHttpServerResponse::StatusCode::InternalServerError;
-                    }
+                    // if (!f.open(QFile::ReadWrite))
+                    // {
+                    //     qDebug() << "cannot open laser level file:"
+                    //              << f.errorString();
+                    //     qDebug() << "file path is" << f.fileName();
+                    //     return QHttpServerResponse::StatusCode::InternalServerError;
+                    // }
 
-                    QTextStream s{&f};
+                    // QTextStream s{&f};
 
-                    s << value;
+                    // s << value;
 
-                    s >> requested_params.laserLevel;
+                    // s >> requested_params.laserLevel;
 
-                    qDebug() << "done with laser level";
+                    // qDebug() << "done with laser level";
                 }
 
                 return QHttpServerResponse(request.body());
-- 
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