main.c

ads7843+5个串口+1个定时器+at91rm9200测试源程序

//*********************************************************************************************************************
//【  版          权  】Copyright (c) 2007-2008 http://gliethttp.cublog.cn
//
//【  文  件  版  本  】v1.x
//
//【  文  件  名  称  】main.c
//
//【  创  建  日  期  】2007-12-27
//
//【  功  能  描  述  】
//*********************************************************************************************************************
#include <ads7843.h>
#include <XDBGU.h>
#include <coms.h>
//--------------------------------------------------------------
struct irqdesc {
	 int	 triggered: 1;
	 int	 running  : 2;
	 int	 pending  : 1;
	 int	 probing  : 1;
	 int	 probe_ok : 1;
	 int	 valid    : 1;
	 int	 noautoenable : 1;
};
void testxxxxxx(void)
{struct irqdesc im;
 int count;
 	count = sizeof(struct irqdesc);
	im.triggered = 1;
	im.running = 5;
	im.pending = 1;
	im.probe_ok = 1;
}
void __irq OS_Time_Tick_IRQ_Handler(void);
void OS_Time_Tick_IRQ_ini(void)
{volatile uint32 dummy;
//2005-12-19 防止中途停止后没能复位(直接映象软件升级)
/*
GMCLK/128   128/GMCLK秒－0.139808秒
SCLK	    1/SCLK   秒－1.999969482421875秒
*/					//1.0033秒一次
//#define OS_Tick_freq ((32768*10033/10000/*OS_TICKS_PER_SEC*/)-1)//系统时钟频率为 OS_TICKS_PER_SEC
#define XOS_Time_ticks_per_sec 5/*一秒中断5次 即：200ms一个时钟*/
#define OS_Tick_freq ((32768/XOS_Time_ticks_per_sec)-1)
	*AT91C_TC0_CCR = AT91C_TC_CLKDIS;
    *AT91C_AIC_IDCR = (uint32)(1 << AT91C_ID_TC0);  //Disable timer 0 interrupt at AIC level
    dummy = *AT91C_TC0_SR;
    *AT91C_AIC_ICCR = (1 << AT91C_ID_TC0);          //Clear the TC0 interrupt
    AT91F_AIC_AcknowledgeIt(AT91C_BASE_AIC);
	
    AT91F_TC0_CfgPMC();
    *AT91C_TC0_CMR = (0x4 | AT91C_TC_CPCTRG);
    AT91C_BASE_AIC->AIC_SVR[AT91C_ID_TC0] = (uint32)OS_Time_Tick_IRQ_Handler;//Set the TC0 IRQ handler address
    AT91C_BASE_AIC->AIC_SMR[AT91C_ID_TC0] = (2);                //Set the trigg and priority for TC0 interrupt
    *AT91C_TC0_RC = OS_Tick_freq;                   //OS_TICKS_PER_SEC
    *AT91C_TC0_CCR = AT91C_TC_CLKEN;				//Enable the Clock Counter
    *AT91C_TC0_IER = AT91C_TC_CPCS;                 //Validate the RC compare interrupt
    *AT91C_AIC_IECR = (1 << AT91C_ID_TC0);          //Enable the TC0 interrupt
    *AT91C_TC0_CCR = (AT91C_TC_CLKEN | AT91C_TC_SWTRG);
}


//---------------------------------------------------------------------------------------------------------------------
void __irq OS_Time_Tick_IRQ_Handler(void)
{volatile uint32 dummy;dummy = *AT91C_TC0_SR;
 	*AT91C_AIC_ICCR = (1 << AT91C_ID_TC0);
	AT91C_BASE_AIC->AIC_EOICR = 0;
}

void Main(void)
{
	testxxxxxx();	
	xat91_remap();
	XDBGU_ini();
	coms_ini(0);
	coms_ini(1);
	coms_ini(2);
	coms_ini(3);
	ads7843_ini();
	OS_Time_Tick_IRQ_ini();
	{uint32 i;for(i = 0;i < 0xffff;i++);}
	xxxdprintf("\r\n\ads7843测试程序启动!\r\n");
	
	for(;;)
	{
		ads7843_proc();
		
		{static uint32 count = 0;
			if(count++ == 0x8ffff)
			{
				count = 0;
				xxxdprintf("D");
				xxxdprintf_coms(0,"0");
				xxxdprintf_coms(1,"1");
//				xxxdprintf_coms(2,"2");
				xxxdprintf_coms(3,"3");
			}
		}
	}
}