1 files changed, 46 insertions, 0 deletions
diff --git a/firmware/drivers/dma.h b/firmware/drivers/dma.h
new file mode 100644
index 0000000..fe75fcd
--- /dev/null
+++ b/firmware/drivers/dma.h
@@ -0,0 +1,46 @@
+/****************************************************************************
+ *   $Id:: dma.h 5797 2010-12-03 00:27:00Z usb00423                         $
+ *   Project: NXP LPC17xx DMA example
+ *
+ *   Description:
+ *     This file contains DMA code header definition.
+ *
+ ****************************************************************************
+ * Software that is described herein is for illustrative purposes only
+ * which provides customers with programming information regarding the
+ * products. This software is supplied "AS IS" without any warranties.
+ * NXP Semiconductors assumes no responsibility or liability for the
+ * use of the software, conveys no license or title under any patent,
+ * copyright, or mask work right to the product. NXP Semiconductors
+ * reserves the right to make changes in the software without
+ * notification. NXP Semiconductors also make no representation or
+ * warranty that such application will be suitable for the specified
+ * use without further testing or modification.
+****************************************************************************/
+#ifndef __I2S_DMA_H 
+#define __I2S_DMA_H
+
+#define DMA_I2S_REQ0	5
+#define DMA_I2S_REQ1	6
+
+#define DMA_SRC			0x2007C000	
+#define DMA_DST			0x2007D000
+#define DMA_I2S_TX_FIFO	(LPC_I2S_BASE + 0x08)
+#define	DMA_I2S_RX_FIFO	(LPC_I2S_BASE + 0x0C)
+ 
+#define DMA_SIZE		0x200
+
+/* DMA mode */
+#define M2M				0x00
+#define M2P				0x01
+#define P2M				0x02
+#define P2P				0x03
+
+extern void DMA_IRQHandler( void ); 
+extern void DMA_Init( void );
+extern uint32_t DMAChannel_Init( uint32_t ChannelNum, uint32_t DMAMode );
+
+#endif /* end __I2S_DMA_H */
+/****************************************************************************
+**                            End Of File
+****************************************************************************/