main.c

Embest ATEB9200开发板部分测试程序。

//*----------------------------------------------------------------------------
//*         ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : main.c
//* Object              : main application written in C
//* Creation            : ODi   06/26/2002
//*
//*----------------------------------------------------------------------------

#include "AT91RM9200.h"

// AT91F_DBGU_Printk is defined in init.c
extern void AT91F_DBGU_Printk(char *);
//*----------------------------------------------------------------------------
//* \fn    AT91F_InitFlash
//* \brief This function performs low level HW initialization
//*----------------------------------------------------------------------------
void AT91F_InitFlash()
{
	//* Setup MEMC to support CS0=Flash
	AT91C_BASE_EBI->EBI_CSA |= AT91C_EBI_CS0A_SMC;
	AT91C_BASE_EBI->EBI_CFGR = (AT91C_EBI_DBPUC & 0x00) | (AT91C_EBI_EBSEN & 0x00);

	//* Setup Flash
	AT91C_BASE_SMC2->SMC2_CSR[0] = (AT91C_SMC2_NWS & 0x4)  | AT91C_SMC2_WSEN |
	                               (AT91C_SMC2_TDF & 0x200)| AT91C_SMC2_BAT  |
	                                AT91C_SMC2_DBW_16;
}


int Main()
{
	unsigned int tick;
	AT91F_DBGU_Printk("\n\n\r-I- ======================================\n\r");
	AT91F_DBGU_Printk("-I- AT91RM9200 UART example\n\r");
	AT91F_DBGU_Printk("-I- --------------------------------------\n\r");
	AT91F_DBGU_Printk("-I- This application print a '.' each second\n\r");
	AT91F_DBGU_Printk("-I- ======================================\n\r");
	tick = *(AT91C_ST_CRTR);
	while (1) {
		AT91F_DBGU_Printk(".");
		while (tick == *(AT91C_ST_CRTR));
		tick = *(AT91C_ST_CRTR);
	}	
}