From 51703628d6b1e72b65bf24a5cec56728d9b45ebb Mon Sep 17 00:00:00 2001
From: "Martin T. H. Sandsmark" <martin.sandsmark@kde.org>
Date: Sun, 9 May 2021 16:01:15 +0200
Subject: [PATCH] fix trigger randomly not working with auto gain/changing gain

---
 Desktop_Interface/isobuffer.cpp | 15 +++++++++++++--
 Desktop_Interface/isobuffer.h   |  4 ++++
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/Desktop_Interface/isobuffer.cpp b/Desktop_Interface/isobuffer.cpp
index 771e7562..2b452063 100644
--- a/Desktop_Interface/isobuffer.cpp
+++ b/Desktop_Interface/isobuffer.cpp
@@ -219,6 +219,7 @@ void isoBuffer::gainBuffer(int gain_log)
             m_buffer[i+m_bufferLen] >>= gain_log;
         }
     }
+    updateTriggerLevel();
 }
 
 
@@ -417,10 +418,20 @@ void isoBuffer::setTriggerType(TriggerType newType)
 void isoBuffer::setTriggerLevel(double voltageLevel, uint16_t top, bool acCoupled)
 {
     m_triggerPositionList.clear();
-    m_triggerLevel = inverseSampleConvert(voltageLevel, top, acCoupled);
-    m_triggerSensitivity = static_cast<short>(1 + abs(voltageLevel * kTriggerSensitivityMultiplier * static_cast<double>(top) / 128.));
+    m_triggerVoltage = voltageLevel;
+    m_triggerTop = top;
+    m_triggerACCoupled = acCoupled;
+
+    updateTriggerLevel();
+}
+
+void isoBuffer::updateTriggerLevel()
+{
+    m_triggerLevel = inverseSampleConvert(m_triggerVoltage, m_triggerTop, m_triggerACCoupled);
+    m_triggerSensitivity = static_cast<short>(1 + abs(m_triggerVoltage * kTriggerSensitivityMultiplier * static_cast<double>(m_triggerTop) / 128.));
     qDebug() << "Trigger Level: " << m_triggerLevel;
     qDebug() << "Trigger sensitivity:" << m_triggerSensitivity;
+
 }
 
 // TODO: Clear trigger
diff --git a/Desktop_Interface/isobuffer.h b/Desktop_Interface/isobuffer.h
index 39f459b2..801c2e3d 100644
--- a/Desktop_Interface/isobuffer.h
+++ b/Desktop_Interface/isobuffer.h
@@ -87,6 +87,7 @@ class isoBuffer : public QWidget
 	template<typename Function>
 	int capSample(int offset, int target, double seconds, double value, Function comp);
     void checkTriggered();
+    void updateTriggerLevel();
 public:
 	int cap_x0fromLast(double seconds, double vbot);
 	int cap_x1fromLast(double seconds, int x0, double vbot);
@@ -121,6 +122,9 @@ class isoBuffer : public QWidget
     TriggerType m_triggerType = TriggerType::Disabled;
     TriggerSeekState m_triggerSeekState = TriggerSeekState::BelowTriggerLevel;
     DownsamplingMethod m_downsamplingMethod = DownsamplingMethod::AverageDelta;
+    double m_triggerVoltage = 0.;
+    uint16_t m_triggerTop = 0;
+    bool m_triggerACCoupled = false;
     short m_triggerLevel = 0;
     short m_triggerSensitivity = 0;
     QVector<uint32_t> m_triggerPositionList = {};