Merge branch 'dma' into 'master'

Use direct DMA in test software

See merge request belle2-daq-upgrade/software!3

Pcie40Applications/main_pcie40_dma.c

@@ -12,8 +12,8 @@ int main (int argc ,char** argv) {
   else printf("SUCCESS: Device opened for ECS\n");
   // Read DMA
   res = pcie40_b2dmabufferreset( 0 ) ;
-  unsigned int data[ DMASIZE ] = { 0 } ; 
-  res = pcie40_b2dmabufferread( 0 , data ) ;
+  unsigned int * data ; 
+  res = pcie40_b2dmapointerread( 0 , &data ) ;
   int i = 0 ;
   if ( res == 0 ) printf( "DMA Error\n" ) ;
   else {