Update AdvancedADC.cpp

Added clear(), setADCDualMode() and enableDualMode() routines.

Author: jmdodd95682

src/AdvancedADC.cpp

@@ -227,6 +227,24 @@ int AdvancedADC::stop()
     return 1;
 }
 
+void AdvancedADC::clear()
+{
+    descr->pool->flush();
+}
+
+//This routine actually sets the ADC1/2_CCR register field for Dual Mode
+//This should only be done after both ADC's and related DMA are setup
+int AdvancedADC::enableDualMode()
+{
+    return(hal_enable_dual_mode());
+}
+
+//This routine sets the flag ahead of time selecting Dual Mode for ADC1/2
+void AdvancedADC::setADCDualMode(bool dm)
+{
+    dualMode=dm;
+}
+
 AdvancedADC::~AdvancedADC()
 {
     dac_descr_deinit(descr, true);