SoapySDR support: input: open and close

2026-06-01 21:54:55 -04:00 · 2018-10-30 01:58:39 +01:00
parent d8b82ddecd
commit 124af5a7b4
6 changed files with 135 additions and 3 deletions
@@ -16,10 +16,19 @@

 #include "util/simpleserializer.h"

+#include "device/devicesourceapi.h"
+#include "device/devicesinkapi.h"
+#include "dsp/dspcommands.h"
+#include "dsp/filerecord.h"
+#include "dsp/dspengine.h"
+#include "soapysdr/devicesoapysdr.h"
+
 #include "soapysdrinput.h"

-SoapySDRInput::SoapySDRInput(DeviceSourceAPI *deviceAPI __attribute__((unused))) :
-    m_deviceDescription("SoapySDRInput")
+SoapySDRInput::SoapySDRInput(DeviceSourceAPI *deviceAPI) :
+    m_deviceAPI(deviceAPI),
+    m_deviceDescription("SoapySDRInput"),
+    m_running(false)
 {
 }

@@ -32,6 +41,113 @@ void SoapySDRInput::destroy()
    delete this;
 }

+bool SoapySDRInput::openDevice()
+{
+    if (!m_sampleFifo.setSize(96000 * 4))
+    {
+        qCritical("SoapySDRInput::openDevice: could not allocate SampleFifo");
+        return false;
+    }
+    else
+    {
+        qDebug("SoapySDRInput::openDevice: allocated SampleFifo");
+    }
+
+    // look for Rx buddies and get reference to the device object
+    if (m_deviceAPI->getSourceBuddies().size() > 0) // look source sibling first
+    {
+        qDebug("SoapySDRInput::openDevice: look in Rx buddies");
+
+        DeviceSourceAPI *sourceBuddy = m_deviceAPI->getSourceBuddies()[0];
+        DeviceSoapySDRShared *deviceSoapySDRShared = (DeviceSoapySDRShared*) sourceBuddy->getBuddySharedPtr();
+
+        if (deviceSoapySDRShared == 0)
+        {
+            qCritical("SoapySDRInput::openDevice: the source buddy shared pointer is null");
+            return false;
+        }
+
+        SoapySDR::Device *device = deviceSoapySDRShared->m_device;
+
+        if (device == 0)
+        {
+            qCritical("SoapySDRInput::openDevice: cannot get device pointer from Rx buddy");
+            return false;
+        }
+
+        m_deviceShared.m_device = device;
+    }
+    // look for Tx buddies and get reference to the device object
+    else if (m_deviceAPI->getSinkBuddies().size() > 0) // then sink
+    {
+        qDebug("SoapySDRInput::openDevice: look in Tx buddies");
+
+        DeviceSinkAPI *sinkBuddy = m_deviceAPI->getSinkBuddies()[0];
+        DeviceSoapySDRShared *deviceSoapySDRShared = (DeviceSoapySDRShared*) sinkBuddy->getBuddySharedPtr();
+
+        if (deviceSoapySDRShared == 0)
+        {
+            qCritical("SoapySDRInput::openDevice: the sink buddy shared pointer is null");
+            return false;
+        }
+
+        SoapySDR::Device *device = deviceSoapySDRShared->m_device;
+
+        if (device == 0)
+        {
+            qCritical("SoapySDRInput::openDevice: cannot get device pointer from Tx buddy");
+            return false;
+        }
+
+        m_deviceShared.m_device = device;
+    }
+    // There are no buddies then create the first SoapySDR device
+    else
+    {
+        qDebug("SoapySDRInput::openDevice: open device here");
+        DeviceSoapySDR& deviceSoapySDR = DeviceSoapySDR::instance();
+        m_deviceShared.m_device = deviceSoapySDR.openSoapySDR(m_deviceAPI->getSampleSourceSequence());
+
+        if (!m_deviceShared.m_device)
+        {
+            qCritical("BladeRF2Input::openDevice: cannot open BladeRF2 device");
+            return false;
+        }
+    }
+
+    m_deviceShared.m_channel = m_deviceAPI->getItemIndex(); // publicly allocate channel
+    m_deviceShared.m_source = this;
+    m_deviceAPI->setBuddySharedPtr(&m_deviceShared); // propagate common parameters to API
+    return true;
+}
+
+void SoapySDRInput::closeDevice()
+{
+    if (m_deviceShared.m_device == 0) { // was never open
+        return;
+    }
+
+    if (m_running) {
+        stop();
+    }
+
+//    if (m_thread) { // stills own the thread => transfer to a buddy
+//        moveThreadToBuddy();
+//    }
+
+    m_deviceShared.m_channel = -1; // publicly release channel
+    m_deviceShared.m_source = 0;
+
+    // No buddies so effectively close the device
+
+    if ((m_deviceAPI->getSinkBuddies().size() == 0) && (m_deviceAPI->getSourceBuddies().size() == 0))
+    {
+        DeviceSoapySDR& deviceSoapySDR = DeviceSoapySDR::instance();
+        deviceSoapySDR.closeSoapySdr(m_deviceShared.m_device);
+        m_deviceShared.m_device = 0;
+    }
+}
+
 void SoapySDRInput::init()
 {
 }