power.c

57A49（320X240的LCD手册）.pdf 原代码+驱动

#include  <math.h>
#include "..\inc\44b.h"
#include "..\inc\44blib.h"
#include "..\inc\def.h"
#include "..\inc\power.h"
#include "..\inc\rtc.h"

#define FIN 4000000

void Test_PLL(void)
{
    int P_div, M_div, S_val, S_div, mck;

    Uart_Printf("[Running change test of M/P/S value]\n");

    Uart_Printf("Input M vlaue\n");
    M_div=Uart_GetIntNum();        
    Uart_Printf("Input P vlaue\n");
    P_div=Uart_GetIntNum();    
    Uart_Printf("Input S vlaue\n");
    S_div=Uart_GetIntNum();
    S_val=pow(2,S_div);
    mck=(  (M_div+8)*FIN  )/(  (P_div+2)*S_val  );

    Uart_Printf("MCLK=%d,M=0x%x,P=0x%x,S=0x%x\n",mck,M_div,P_div,S_div);
    Uart_Printf("Now change PLL value\n");
    Uart_TxEmpty(0);
    
    ChangePllValue(M_div,P_div,S_div);
    Uart_Init(mck,115200);
    Uart_Printf("...I'm running in changed MCLK...\nPress any key to return!\n");

    while(!Uart_GetKey())
    {
	Led_Display(0xf);
	Delay(1000);
	Led_Display(0x0);
	Delay(1000);;
    }

    ChangePllValue(PLL_M,PLL_P,PLL_S);
    Uart_Init(0,115200);
    Uart_Printf("Returned original clock\n");
}


void Test_HoldMode(void)
{
    Uart_Printf("[HOLD Mode(Normal mode with some stopped blocks)]\n");
    Uart_Printf("IIS,IIC,ADC,RTC,UART1,SIO,ZDMA,Timer,LCD are stopped step by step.\n");
    Uart_Printf("Check the current cunsumption. Type any key to exit.\n");	
    //Except GPIO,BDMA,UART0
    Uart_Printf("IIS off.\n");
    rCLKCON=0x3ff8;
    Uart_Getch();
    Uart_Printf("IIC off.\n");
    rCLKCON=0x1ff8;
    Uart_Getch();
    Uart_Printf("ADC off.\n");
    rADCCON|=0x20;
    rCLKCON=0x0ff8;
    Uart_Getch();
    Uart_Printf("RTC_control off.\n");
    rCLKCON=0x07f8;
    Uart_Getch();
    Uart_Printf("UART1 off.\n");
    rCLKCON=0x05f8;
    Uart_Getch();
    Uart_Printf("SIO off.\n");
    rCLKCON=0x05d8;
    Uart_Getch();
    Uart_Printf("ZDMA01 off.\n");
    rCLKCON=0x05c8;
    Uart_Getch();
    Uart_Printf("TIMER0123 off.\n");
    rCLKCON=0x05c0;
    Uart_Getch();
    Uart_Printf("LCD off.\n");
    rCLKCON=0x0580;
    Uart_Getch();

    Uart_Printf("Return to Normal Mode.\n");	    
    rCLKCON=0x7ff8; //IIS,IIC,ADC,RTC,UART,BRDMA,SIO,ZDMA,Timer,LCD	       
}