utility.h

本程序为ST公司开发的源代码

/**************************************************
 *
 * utility.c
 *
 * CVS ID:   $Id: utility.h,v 1.12 2007/08/01 10:20:04 belardi Exp $
 * Author:   Raffaele Belardi [RB] - STM
 * Date:     $Date: 2007/08/01 10:20:04 $
 * Revision: $Revision: 1.12 $
 * 
 * Description:
 * 
 *   Timer interrupt handler. Processes all the software
 *   timers used by the application
 *
 ***************************************************
 * 
 * COPYRIGHT (C) ST Microelectronics  2005
 *            All Rights Reserved
 *
 ***************************************************
 *
 * STM CVS Log:
 *
 * $Log: utility.h,v $
 * Revision 1.12  2007/08/01 10:20:04  belardi
 * Modifications to support run-time configurable ESP size
 * - changed parameter meaning for sdram_layout()
 *
 * Revision 1.11  2007/02/06 11:13:37  belardi
 * Added dynamic remapping of SDRAM for ESP vs. X_array
 *
 * Revision 1.10  2006/10/23 09:02:03  marcucci
 * Add protototypes for functions  that Enable/Disable Global Interrupt for ctr_update_transition
 *
 * Revision 1.9  2006/09/18 09:55:23  belardi
 * Corrected CVS keyword usage
 *
 * Revision 1.8  2006/09/18 09:24:43  belardi
 * Added Log CVS keyword into file header
 *
 *
 ***************************************************/
 
#ifndef _UTILITY_H_
#define _UTILITY_H_

void SetUpDMA(uint32 DmaCh, uint32 * Source, uint32 * Dest, uint32 SourceWordSize, uint32 DestWordSize, uint32 WordsNo, uint32 BurstSize, uint32 SourceInc, uint32 DestInc, uint32 Per,	uint32 Mem2Mem);
void SetDMAChannel(uint32 channel_no, uint32 source);

void configure_gpio(unsigned int port, unsigned int bit, unsigned int function);

void set_gpio(unsigned int port, unsigned int bit, unsigned int val);
uint32 sdram_layout(uint8 size);
void dis_interrupts(void); 
void en_interrupts(void);

#define GPIO_0        0
#define GPIO_1        1
#define GPIO_2        2
#define GPIO_3        3
#define GPIO_4        4
#define GPIO_5        5
#define GPIO_6        6
#define GPIO_7        7
#define GPIO_8        8
#define GPIO_9        9
#define GPIO_10       10
#define GPIO_11       11
#define GPIO_12       12
#define GPIO_13       13
#define GPIO_14       14
#define GPIO_15       15

#define PORT_A       1
#define PORT_B       0
#define GPIO_AF_PP   0  
#define GPIO_AF_OD   1
#define GPIO_OUT_PP  2
#define GPIO_OUT_OD  3
#define GPIO_IN_OUT  4
#define GPIO_IN      5

#define SRC_DRE_CH                    0
#define SRC_DRF_CH                    1
#define BSPI_RX_CH                    2
#define BSPI_TX_CH                    3
#define CHITF_WR_CH                   4
#define CHITF_RD_CH                   5
#define EFT0_DMA_R_CH                 6
#define EFT1_DMA_R_CH                 7
#define DMA_PERIPHERAL_IS_THE_SOURCE      0
#define DMA_PERIPHERAL_IS_THE_DESTINATION 1
#define DMA_MEM_2_MEM                     1
#define DMA_WORD_SIZE_IS_BYTE                0
#define DMA_WORD_SIZE_IS_HALF_WORD           1
#define DMA_WORD_SIZE_IS_WORD                2
#define DMA_BURST_IS_1_WORD               0
#define DMA_BURST_IS_4_WORD               1
#define DMA_BURST_IS_8_WORD               2
#define DMA_BURST_IS_16_WORD              3
#define DMA_NO_INCREMENT                  0
#define DMA_INCREMENT                     1
#define DMA_CH0                           0
#define DMA_CH1                           1
#define DMA_CH2                           2
#define DMA_CH3                           3

#endif