From f6238e5a369db8e5bd3c1f35bebeeb40f7f9b69e Mon Sep 17 00:00:00 2001
From: Gerhard Hoffmann <g.hoffmann@atb-online.eu>
Date: Fri, 17 Nov 2023 11:44:51 +0100
Subject: [PATCH] integrate wakeup line

---
 src/ATBAPP/support/VMC/vmc.cpp | 63 ++++++++++++++++++++++++++++++++--
 src/ATBAPP/support/VMC/vmc.h   | 18 +++++++---
 2 files changed, 73 insertions(+), 8 deletions(-)

diff --git a/src/ATBAPP/support/VMC/vmc.cpp b/src/ATBAPP/support/VMC/vmc.cpp
index 2d932b0..1a0ba80 100644
--- a/src/ATBAPP/support/VMC/vmc.cpp
+++ b/src/ATBAPP/support/VMC/vmc.cpp
@@ -13,6 +13,13 @@
 VMC::VMC(QObject *appControl, QSettings const *settings,
          QObject *parent)
   : QObject(parent) {
+
+    this->REMOTE_OUT_gpio_outstream = nullptr;
+    this->REMOTE_OUT_gpio = nullptr;
+    this->sendBuffer = nullptr;
+    this->receiveBuffer = nullptr;
+    this->com_interface = nullptr;
+
     this->flag_blockVMCScreen = 0;
     this->currentCachedScreen = VMC_CMD_SCREEN_START;
 
@@ -23,6 +30,8 @@ VMC::VMC(QObject *appControl, QSettings const *settings,
     this->receiveBuffer = new ReceiveBuffer(com_interface, this);
     this->sendBuffer    = new SendBuffer(com_interface, this);
 
+    this->privateInit_REMOTE_OUT();
+
     connect(receiveBuffer, SIGNAL(ReceiveResponse(quint8)), sendBuffer, SLOT(onReceiveResponse(quint8)));
 
     com_interface->open(settings->value("VMC/serialPort", "ttymxc2").toString(),
@@ -41,11 +50,59 @@ VMC::VMC(QObject *appControl, QSettings const *settings,
 
 
 VMC::~VMC() {
-    delete(this->sendBuffer);
-    delete(this->receiveBuffer);
-    delete(this->com_interface);
+    if (this->REMOTE_OUT_gpio_outstream) {
+        delete(this->REMOTE_OUT_gpio_outstream);
+    }
+    if (this->REMOTE_OUT_gpio) {
+        delete(this->REMOTE_OUT_gpio);
+    }
+    if (this->sendBuffer) {
+        delete(this->sendBuffer);
+    }
+    if (this->receiveBuffer) {
+        delete(this->receiveBuffer);
+    }
+    if (this->com_interface) {
+        delete(this->com_interface);
+    }
 }
 
+/*****************************************************************************
+ * functions for wake vmc
+*/
+
+void VMC::onWakeVMC() {
+    this->privateWakeVMC();
+}
+
+void VMC::privateWakeVMC() {
+    QTimer::singleShot (100, this, SLOT(privateSuspendVMC()));
+    this->privateSet_REMOTE_OUT(true);
+}
+
+void VMC::privateSuspendVMC() {
+    this->privateSet_REMOTE_OUT(false);
+}
+
+void VMC::privateSet_REMOTE_OUT(bool state) {
+    if (state) {       *(this->REMOTE_OUT_gpio_outstream) << "1";    }
+    else       {       *(this->REMOTE_OUT_gpio_outstream) << "0";    }
+
+    this->REMOTE_OUT_gpio_outstream->flush();
+}
+
+void VMC::privateInit_REMOTE_OUT() {
+    QString sysfs_remout_out("/sys/class/leds/REMOTE_OUT/brightness");
+
+    this->REMOTE_OUT_gpio = new QFile(sysfs_remout_out);
+    if (!REMOTE_OUT_gpio->open(QIODevice::WriteOnly | QIODevice::Text)) {
+        qDebug() << "ATB_system::privateInit_REMOTE_OUT() cannot open file: " << sysfs_remout_out;
+        qDebug() << "     file.errorString() = " << REMOTE_OUT_gpio->errorString();
+        return;
+    }
+
+    this->REMOTE_OUT_gpio_outstream = new QTextStream(this->REMOTE_OUT_gpio);
+}
 
 /********************************************************************************
  * S E N D    M E S S A G E S      t o   V M C
diff --git a/src/ATBAPP/support/VMC/vmc.h b/src/ATBAPP/support/VMC/vmc.h
index d5a459a..8fa419f 100644
--- a/src/ATBAPP/support/VMC/vmc.h
+++ b/src/ATBAPP/support/VMC/vmc.h
@@ -11,6 +11,8 @@
 #include <QTimer>
 #include <QList>
 #include <QSettings>
+#include <QFile>
+#include <QTextStream>
 
 
 #define VMC_RECEIVE_TIMEOUT 1000
@@ -147,11 +149,8 @@ class SendBuffer;
 using FormatedStringList = QList<QByteArray>;
 
 
-class VMC : public QObject
-{
+class VMC : public QObject {
     Q_OBJECT
-
-
 private:
     QObject *m_appControl;
     COM_interface *com_interface;
@@ -159,6 +158,9 @@ private:
     SendBuffer *sendBuffer;
     QSettings const *m_settings;
 
+    QFile *REMOTE_OUT_gpio;
+    QTextStream *REMOTE_OUT_gpio_outstream;
+
     // internal: write a ByteArray to com-port:
     int SendMessage(QByteArray ba, bool enqueue = false);
 
@@ -185,10 +187,14 @@ private:
     quint8 flag_blockVMCScreen;
     quint16 currentCachedScreen;
 
+    void privateInit_REMOTE_OUT();
+
 private slots:
     void onDelayedMessageTimerTimeout();
-
     void skipDiscount();
+    void privateSet_REMOTE_OUT(bool state);
+    void privateWakeVMC();
+    void privateSuspendVMC();
 
 public:
     explicit VMC(QObject *eventReceiver, QSettings const *settings,
@@ -387,6 +393,8 @@ public slots:
     void ccStartTransactionRequest();        // called to start/restart a CC transaction
     void ccStartConfirmTransaction();        // called to start confirmation
     void ccPrintReceipt(QString receipt);     // called to send receipt to vmc
+
+    void onWakeVMC();
 };
 
 #endif // VMC_H