?? dm642main.c
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/********************************************************************/
/* Copyright 2004 by SEED Incorporated. */
/* All rights reserved. Property of SEED Incorporated. */
/* Restricted rights to use, duplicate or disclose this code are */
/* granted through contract. */
/* */
/********************************************************************/
#include <csl.h>
#include <csl_emifa.h>
#include <csl_irq.h>
#include <csl_chip.h>
#include "seeddm642.h"
#include "seeddm642_uart.h"
/*SEEDDM642的emifa的設(shè)置結(jié)構(gòu)*/
EMIFA_Config Seeddm642ConfigA ={
0x00052078,/*gblctl EMIFA(B)global control register value */
/*將CLK6、4、1使能;將MRMODE置1;使能EK2EN,EK2RATE*/
0xffffffd3,/*cectl0 CE0 space control register value*/
/*將CE0空間設(shè)為SDRAM*/
0x73a28e01,/*cectl1 CE1 space control register value*/
/*Read hold: 1 clock;
MTYPE : 0000,選擇8位的異步接口
Read strobe :001110;14個(gè)clock寬度
TA:2 clock; Read setup 2 clock;
Write hold :2 clock; Write strobe: 14 clock
Write setup :7 clock
-- ---------------
\ 14c /1c
\----------------/ */
0x22a28a22, /*cectl2 CE2 space control register value*/
0x22a28a42, /*cectl3 CE3 space control register value*/
0x57115000, /*sdctl SDRAM control register value*/
0x0000081b, /*sdtim SDRAM timing register value*/
0x001faf4d, /*sdext SDRAM extension register value*/
0x00000002, /*cesec0 CE0 space secondary control register value*/
0x00000002, /*cesec1 CE1 space secondary control register value*/
0x00000002, /*cesec2 CE2 space secondary control register value*/
0x00000073 /*cesec3 CE3 space secondary control register value*/
};
SEEDDM642_UART_Config UartConfig ={
0x00,/*寄存器IER*/
0x57,/*寄存器FCR*/
0x03,/*寄存器LCR*/
0x00,/*寄存器MCR*/
};
extern far void vectors();
Uint8 IOreadback;
Uint16 buffer;
SEEDDM642_UART_Handle SEEDuartHandleA;
SEEDDM642_UART_Handle SEEDuartHandleB;
/*此程序可將四個(gè)采集口的數(shù)據(jù)經(jīng)過Video Port0送出*/
void main()
{
/*-------------------------------------------------------*/
/* perform all initializations */
/*-------------------------------------------------------*/
/*Initialise CSL,初始化CSL庫*/
CSL_init();
/*----------------------------------------------------------*/
/*EMIFA的初始化,將CE0設(shè)為SDRAM空間,CE1設(shè)為異步空間
注,DM642支持的是EMIFA,而非EMIF*/
EMIFA_config(&Seeddm642ConfigA);
/*----------------------------------------------------------*/
/*中斷向量表的初始化*/
//Point to the IRQ vector table
IRQ_setVecs(vectors);
/*----------------------------------------------------------*/
/*測試SEEDVPM642的LED*/
GPIO_RSET(GPGC,0x0);/*將GPIO0不做為GPINT使用*/
GPIO_RSET(GPEN,0x108);
GPIO_RSET(GPDIR,0x108);/*將GPIO0做為輸出*/
for(;;)
{
/*GPIO3輸出為高*/
GPIO_RSET(GPVAL,0x8);
SEEDDM642_waitusec(5000);
/*GPIO3輸出為低*/
GPIO_RSET(GPVAL,0x0);
SEEDDM642_waitusec(5000);
/*GPIO8輸出為高*/
GPIO_RSET(GPVAL,0x100);
SEEDDM642_waitusec(5000);
/*GPIO8輸出為低*/
GPIO_RSET(GPVAL,0x0);
SEEDDM642_waitusec(5000);
}
}
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