X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=Kernel%2Fdrv%2Fdma.c;h=1f356cd4d1c918f893d41156929840b8137b02f6;hb=33bcf4b3feb0e5e4548548bf3d2a50c52ffb6115;hp=750b180d6f686f4d04b7824a4063152ed3e047bb;hpb=1e25b20fd5d119d3b5673d6a31f60b2da676de98;p=tpg%2Facess2.git

diff --git a/Kernel/drv/dma.c b/Kernel/drv/dma.c
index 750b180d..1f356cd4 100644
--- a/Kernel/drv/dma.c
+++ b/Kernel/drv/dma.c
@@ -105,3 +105,19 @@ int DMA_ReadData(int channel, int count, void *buffer)
 	memcpy(buffer, dma_addresses[channel], count);
 	return 0;
 }
+
+/**
+ * \fn void DMA_WriteData(int channel, int count, void *buffer)
+ * \brief Write data to a DMA buffer
+ */
+int DMA_WriteData(int channel, int count, void *buffer)
+{
+	if(channel < 0 || channel > 7)
+		return -1;
+	if(count < 0 || count > DMA_SIZE)
+		return -2;
+	
+	memcpy(dma_addresses[channel], buffer, count);
+	
+	return 0;
+}