www.pudn.com > ARM9_PROGRAM.rar > Power.c

/***************************************** 
  NAME: power.c 
  DESC: SLOW,HOLD mode test 
  HISTORY: 
  03.23.2002:purnnamu: first release for 2410 
 *****************************************/ 
  
#include "def.h" 
#include "option.h" 
#include "addr.h" 
#include "lib.h" 
#include "slib.h"  
 
#include "lcdlib.h" 
//#include "pwr_c.h" 
 
#define FIN 	12000000 
 
void __irq SlowEint0Int(void); 
 
volatile int slowExit; 
 
 
void Test_SlowMode(void) 
{ 
    int i; 
    unsigned int saveREFRESH; 
 
    slowExit=0; 
    rGPFCON=rGPFCON & ~(3<<0)|(2<<0); //PF0=EINT0 
    rEXTINT0=rEXTINT0&(7<<0)|(0x2<<0); //EINT0=falling edge triggered 
 
    pISR_EINT0=(U32)SlowEint0Int; 
    rINTMSK=~BIT_EINT0; 
 
    
    for(i=0;i<20;i++) 
    { 
	Led_Display(0xf); 
	Delay(1000); 
	Led_Display(0x0); 
	Delay(1000); 
    } 
 
    rCLKSLOW=0|(1<<4)|(1<<5)|(1<<7); //FCLK=FIN/1,SLOW mode,MPLL=off,UPLL=off  
 
    saveREFRESH=rREFRESH; 
    rREFRESH=(1<<23)|(U32)(2048+1-12*15.6); //Trp=2clk,Trc=4clk 
        //The other memory control register should be optimized for SLOW mode. 
         
    while(!slowExit) 
    { 
	Led_Display(0xf); 
	//DoQsort();  
	Led_Display(0x0); 
	//DoQsort(); 
    } 
     
    rINTMSK=BIT_ALLMSK; 
 
    rCLKSLOW=0|(1<<4)|(0<<5);//PLL on,MPLL=on 
    for(i=0;i<2048;i++); //S/W MPLL lock-time 
    rCLKSLOW=0|(0<<4)|(0<<5);//NORMAL mode,PLL on,MPLL=on 
} 
 
void __irq SlowEint0Int(void) 
{ 
    ClearPending(BIT_EINT0); 
    slowExit=1; 
} 
 
 
void Test_HoldMode(void) 
{ 
   
    Uart_Printf("[ Power Saving Mode by Stopping Each Block ]\n"); 
    Uart_Printf("LCD ENVID is turned off.\n"); 
    Lcd_EnvidOnOff(0); 
    Uart_Printf("Check the current cunsumption. Type any key to proceed.\n");	 
    //Except GPIO,UART0 
    rCLKCON=0x7fff0; 
    Uart_Getch(); 
 
    Uart_Printf("NFC off.\n"); 
    rCLKCON&=~(1<<4); 
    Uart_Getch(); 
 
    Uart_Printf("LCD off.\n"); 
    rCLKCON&=~(1<<5); 
    Lcd_EnvidOnOff(0); 
    Uart_Getch(); 
     
    Uart_Printf("USB host off(DP0/DN0 is suspended).\n"); 
    rCLKCON&=~(1<<6); 
    rMISCCR|=(1<<12); //USB port0 = suspend 
    Uart_Getch(); 
     
    Uart_Printf("USB device off(DP1/DN1 is also suspended).\n"); 
    rCLKCON&=~(1<<7); 
    rMISCCR|=(1<<13); //USB port1 = suspend 
    Uart_Getch(); 
 
    Uart_Printf("PWM Timer off.\n"); 
    rCLKCON&=~(1<<8); 
    Uart_Getch(); 
 
    Uart_Printf("SDI off.\n"); 
    rCLKCON&=~(1<<9); 
    Uart_Getch(); 
 
    Uart_Printf("UART1 off.\n"); 
    rCLKCON&=~(1<<11); 
    Uart_Getch(); 
 
    Uart_Printf("UART2 off.\n"); 
    rCLKCON&=~(1<<12); 
    Uart_Getch(); 
 
    Uart_Printf("RTC_control off.\n"); 
    rCLKCON&=~(1<<14); 
    Uart_Getch(); 
     
    Uart_Printf("ADC off.\n"); 
    rADCCON|=(1<<2); 
    rCLKCON&=~(1<<15); 
    Uart_Getch(); 
     
    Uart_Printf("IIC off.\n"); 
    rCLKCON&=~(1<<16); 
    Uart_Getch(); 
     
    Uart_Printf("IIS off.\n"); 
    rCLKCON&=~(1<<17); 
    Uart_Getch(); 
     
    Uart_Printf("SPI off.\n"); 
    rCLKCON&=~(1<<18); 
    Uart_Getch(); 
     
    Uart_Printf("Return to Normal Mode.\n");	     
    rCLKCON=0xffff0;  
    rADCCON&=(1<<2); 
    rMISCCR&=~((1<<12)|(1<<13)); //USB port0,1 = normal 
    Lcd_EnvidOnOff(1); 
}