Diff: LPC4088-USBHostC270/BaseUvc.cpp

Revision:

0:c972ee42b455

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LPC4088-USBHostC270/BaseUvc.cpp	Thu Apr 24 05:38:45 2014 +0000
@@ -0,0 +1,70 @@
+// BaseUvc.cpp
+#include "USBHostConf.h"
+#include "USBHost.h"
+#include "BaseUvc.h"
+
+void BaseUvc::poll(int millisec) {
+    HCITD* itd = m_isoEp->isochronousReceive(millisec);
+    if (itd) {
+        uint8_t cc = itd->ConditionCode();
+        report_cc_count[cc]++;
+        if (cc == 0) {
+            uint16_t frame = itd->StartingFrame();
+            int fc = itd->FrameCount();
+            uint8_t* buf = const_cast<uint8_t*>(itd->buf); 
+            int mps = m_isoEp->getSize();
+            for(int i = 0; i < fc; i++) {
+                uint16_t psw = itd->OffsetPSW[i];
+                cc = psw>>12;
+                if (cc == 0 || cc == 9) {
+                    int len = psw & 0x7ff;
+                    onResult(frame, buf, len);
+               }
+               report_ps_cc_count[cc]++;
+               buf += mps;
+               frame++;
+            }
+        }
+        delete itd;
+    }
+}
+
+USB_TYPE BaseUvc::Control(int req, int cs, int index, uint8_t* buf, int size)
+{
+    if (req == SET_CUR) {    
+        return host->controlWrite(dev,
+                    USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, 
+                    req, cs<<8, index, buf, size);
+    }
+    return host->controlRead(dev,
+                USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, 
+                req, cs<<8, index, buf, size);
+}
+
+USB_TYPE BaseUvc::setInterfaceAlternate(uint8_t intf, uint8_t alt)
+{
+    return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE,
+                                   SET_INTERFACE, alt, intf, NULL, 0);
+}
+
+void BaseUvc::onResult(uint16_t frame, uint8_t* buf, int len)
+{
+  if(m_pCbItem && m_pCbMeth)
+    (m_pCbItem->*m_pCbMeth)(frame, buf, len);
+  else if(m_pCb)
+    m_pCb(frame, buf, len);
+}
+
+void BaseUvc::setOnResult( void (*pMethod)(uint16_t, uint8_t*, int) ) {
+    m_pCb = pMethod;
+    m_pCbItem = NULL;
+    m_pCbMeth = NULL;
+}
+    
+void BaseUvc::clearOnResult() {
+    m_pCb = NULL;
+    m_pCbItem = NULL;
+    m_pCbMeth = NULL;
+}
+
+