lh7a400_dma_driver.h

sharp触摸屏测试代码

/*********************************************************************** 
 * $Workfile:   LH7A400_DMA_driver.h  $ 
 * $Revision:   1.0  $ 
 * $Author:   SuryanG  $ 
 * $Date:   Sep 10 2002 14:55:20  $ 
 * 
 * Project: LH7A400
 * 
 * Description: 
 *   This file contains function declarations and manifest constants for
 *   the LH7A400 DMA controller driver
 * 
 * 
 * Revision History: 
 * $Log:   //smaicnt2/pvcs/VM/CHIPS/archives/LH7A400/DMA/Drivers/LH7A400_DMA_driver.h-arc  $ 
 * 
 *    Rev 1.0   Sep 10 2002 14:55:20   SuryanG
 * Initial revision.
 * 
 * 
 * 
 *********************************************************************** 
 * 
 *  Copyright (c) 2002 Sharp Microelectronics of the Americas 
 * 
 *  All rights reserved 
 * 
 *  SHARP MICROELECTRONICS OF THE AMERICAS MAKES NO REPRESENTATION 
 *  OR WARRANTIES WITH RESPECT TO THE PERFORMANCE OF THIS SOFTWARE, 
 *  AND SPECIFICALLY DISCLAIMS ANY RESPONSIBILITY FOR ANY DAMAGES, 
 *  SPECIAL OR CONSEQUENTIAL, CONNECTED WITH THE USE OF THIS SOFTWARE. 
 * 
 *  SHARP MICROELECTRONICS OF THE AMERICAS PROVIDES THIS SOFTWARE SOLELY 
 *  FOR THE PURPOSE OF SOFTWARE DEVELOPMENT INCORPORATING THE USE OF A 
 *  SHARP MICROCONTROLLER OR SYSTEM-ON-CHIP PRODUCT. USE OF THIS SOURCE 
 *  FILE IMPLIES ACCEPTANCE OF THESE CONDITIONS. 
 * 
 **********************************************************************/ 

#ifndef LH7A400_DMA_DRIVER_H
#define LH7A400_DMA_DRIVER_H
#include "SMA_types.h"

#define DMA_INT_NSOURCES   (10)


/* exported functions */

INT_8 dma_install_int_handler(INT_8 source, 
                              INT_8 priority, 
                              void (*hp)(void));

INT_8 dma_remove_int_handler(INT_8 source);

INT_32 dma_init(void);
INT_32 dma_interrupt_enable(INT_8 ch);
INT_32 dma_interrupt_disable(INT_8 ch);
INT_32 dma_start(INT_8 ch,
                 UNS_32 start_addr,
                 UNS_32 nbytes);

INT_32 dma_next_buffer(INT_8 ch, 
                       UNS_32 base1,
                       UNS_16 maxcnt1);

#endif /* LH7A400_DMA_DRIVER_H */