Diff: dmaSPIslave.h

Revision:

1:3cceef118195

Parent:

0:f0f5102ed9ca

Child:

2:16545dbc88ae

--- a/dmaSPIslave.h	Wed Jul 15 11:16:13 2015 +0000
+++ b/dmaSPIslave.h	Thu Jul 16 05:19:02 2015 +0000
@@ -14,21 +14,29 @@
             read_dma.source(&_spi.spi->DL, false);
         }
         
-        void bulkRead(uint8_t *read_data, int length){
+        void bulkRead_init(uint8_t *read_data, int len, void (*fun)(void) ){
 //            acquire();
             _spi.spi->C2 |= SPI_C2_RXDMAE_MASK;
         
 //            auto increment is true
             read_dma.destination(read_data, true);
         
+//            specify length
+            length = len;
+            
+//            attach interrupt function
+            read_dma.attach(fun);
+
+//            _spi.spi->C2 &= ~(SPI_C2_RXDMAE_MASK);
+        }
+        
+        void bulkRead_start(){
 //            start the read_dma
             read_dma.start(length);
-
-            while(read_dma.isBusy());
+        }
         
-            _spi.spi->C2 &= ~(SPI_C2_RXDMAE_MASK);
-        }
     private:
+        int length;
         SimpleDMA read_dma;
 };
 #endif
\ No newline at end of file