Systec: Fix some compiler and code model cast warnings

Change-Id: If47df4e9d62b5ca95ce14ddf8b4346ef14e4cf42
Reviewed-by: Denis Shienkov <denis.shienkov@gmail.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

2 files changed, 6 insertions, 6 deletions

diff --git a/src/plugins/canbus/systeccan/systeccan_symbols_p.h b/src/plugins/canbus/systeccan/systeccan_symbols_p.h
index 8a36327..7fe98ad 100644
--- a/src/plugins/canbus/systeccan/systeccan_symbols_p.h
+++ b/src/plugins/canbus/systeccan/systeccan_symbols_p.h
@@ -88,8 +88,8 @@ typedef void (DRV_CALLBACK_TYPE *tCallbackFktEx) (tUcanHandle handle, quint32 ev
 #define kUcanModeHighResTimer   0x08        // high resolution time stamps in received CAN messages (only available with STM derivates)
 
 // ABR and ACR for mode "receive all CAN messages"
-#define USBCAN_AMR_ALL                      (quint32) 0xffffffff
-#define USBCAN_ACR_ALL                      (quint32) 0x00000000
+#define USBCAN_AMR_ALL                      0xffffffffU
+#define USBCAN_ACR_ALL                      0x00000000U
 
 #define USBCAN_OCR_DEFAULT                  0x1A  // default OCR for standard GW-002
 #define USBCAN_OCR_RS485_ISOLATED           0x1E  // OCR for RS485 interface and galvanic isolation
diff --git a/src/plugins/canbus/systeccan/systeccanbackend.cpp b/src/plugins/canbus/systeccan/systeccanbackend.cpp
index 54666d0..69689a3 100644
--- a/src/plugins/canbus/systeccan/systeccanbackend.cpp
+++ b/src/plugins/canbus/systeccan/systeccanbackend.cpp
@@ -114,7 +114,7 @@ QList<QCanBusDeviceInfo> SystecCanBackend::interfaces()
 {
     QList<QCanBusDeviceInfo> result;
 
-    ::UcanEnumerateHardware(&ucanEnumCallback, &result, false, 0, ~0, 0, ~0, 0, ~0);
+    ::UcanEnumerateHardware(&ucanEnumCallback, &result, false, 0, quint8(~0), 0, quint32(~0), 0, quint32(~0));
 
     return result;
 }
@@ -281,8 +281,8 @@ bool SystecCanBackendPrivate::setupChannel(const QString &interfaceName)
     const QRegularExpressionMatch match = re.match(interfaceName);
 
     if (Q_LIKELY(match.hasMatch())) {
-        device = match.captured(1).toInt();
-        channel = match.captured(2).toInt();
+        device = quint8(match.captured(1).toUShort());
+        channel = quint8(match.captured(2).toUShort());
     } else {
         q->setError(SystecCanBackend::tr("Invalid interface '%1'.")
                     .arg(interfaceName), QCanBusDevice::ConnectionError);
@@ -377,7 +377,7 @@ void SystecCanBackendPrivate::startWrite()
     ::memset(&message, 0, sizeof(message));
 
     message.m_dwID = frame.frameId();
-    message.m_bDLC = payload.size();
+    message.m_bDLC = quint8(payload.size());
 
     message.m_bFF = frame.hasExtendedFrameFormat() ? USBCAN_MSG_FF_EXT : USBCAN_MSG_FF_STD;