target.c

CC1000 Rf modem C codes for philips sLpc213X ARM MCU.

#define IN_TARGET

#include "config_GD61.h"
#include "include_GD61.h"

///////////////////////////////////////////////////////////////////
void __irq IRQ_Exception(void)
{
	PrtResetInfoFlag = ENABLE_FLAG;
    VICVectAddr  	 = 0x00000000;		//end the interrupt process
}

///////////////////////////////////////////////////////////////////
void FIQ_Exception(void)
{
	PrtResetInfoFlag = ENABLE_FLAG;
    VICVectAddr   	 = 0x00000000;		//end the interrupt process
}

///////////////////////////////////////////////////////////////////
void TargetResetInit(void)
{
#ifdef __DEBUG_RAM    
    MEMMAP = 0x2;                 //remap
#endif

#ifdef __DEBUG_FLASH    
    MEMMAP = 0x1;                 //remap
#endif

#ifdef __IN_CHIP    
    MEMMAP = 0x1;                 //remap
#endif

// Set system timers for each component
    PLLCON = 1;
#if (LPC_FPCLK / (LPC_FCCLK / 4)) == 1
    VPBDIV = 0;
#endif
#if (LPC_FPCLK / (LPC_FCCLK / 4)) == 2
    VPBDIV = 2;
#endif
#if (LPC_FPCLK / (LPC_FCCLK / 4)) == 4
    VPBDIV = 1;
#endif

#if (LPC_FCCO / LPC_FCCLK) == 2
    PLLCFG = ((LPC_FCCLK / LPC_FOSC) - 1) | (0 << 5);
#endif
#if (LPC_FCCO / LPC_FCCLK) == 4
    PLLCFG = ((LPC_FCCLK / LPC_FOSC) - 1) | (1 << 5);
#endif
#if (LPC_FCCO / LPC_FCCLK) == 8
    PLLCFG = ((LPC_FCCLK / LPC_FOSC) - 1) | (2 << 5);
#endif
#if (LPC_FCCO / LPC_FCCLK) == 16
    PLLCFG = ((LPC_FCCLK / LPC_FOSC) - 1) | (3 << 5);
#endif
    PLLFEED = 0xaa;
    PLLFEED = 0x55;
    while((PLLSTAT & (1 << 10)) == 0);
    PLLCON = 3;
    PLLFEED = 0xaa;
    PLLFEED = 0x55;

// Set memory accelerater module
    MAMCR = 0;
#if LPC_FCCLK < 20000000
    MAMTIM = 1;
#else
#if LPC_FCCLK < 40000000
    MAMTIM = 2;
#else
    MAMTIM = 3;
#endif
#endif
    MAMCR = 2;

// initialize VIC
    VICIntEnClr  	= 0xffffffff;				//disable all interrupt
	VICDefVectAddr 	= (uint32)IRQ_Exception;	//设置中断服务程序地址
    VICVectAddr  	= 0x00000000;				//end the interrupt process
    VICIntSelect 	= 0x00000000;				//set all interrupt IRQ type.
}

/*********************************************************************************************************
**                  以下为一些与系统相关的库函数的实现
**                  具体作用请ads的参考编译器与库函数手册
**                  用户可以根据自己的要求修改        
********************************************************************************************************/
/*********************************************************************************************************
**                  The implementations for some library functions
**                  For more details, please refer to the ADS compiler handbook and The library 
**					function manual
**                  User could change it as needed       
********************************************************************************************************/
#include <rt_sys.h>
#include <stdio.h>

#pragma import(__use_no_semihosting_swi)

        int __rt_div0(int a)
{
    a = a;
    return 0;
}

        int fputc(int ch,FILE *f)
{
    ch = ch;
    f = f;
    return 0;
}

    int fgetc(FILE *f)
{
    f = f;
    return 0;
}


        int _sys_close(FILEHANDLE fh)
{
    fh = fh;
    return 0;
}

        int _sys_write(FILEHANDLE fh, const unsigned char * buf,
                      unsigned len, int mode)
{
    fh = fh;
    buf = buf;
    len =len;
    mode = mode;
    return 0;
}
        int _sys_read(FILEHANDLE fh, unsigned char * buf,
                     unsigned len, int mode)
{
    fh = fh;
    buf = buf;
    len =len;
    mode = mode;
    
    return 0;
}

       void _ttywrch(int ch)
{
    ch = ch;
}

        int _sys_istty(FILEHANDLE fh)
{
    fh = fh;
    return 0;
}
        int _sys_seek(FILEHANDLE fh, long pos)
{
    fh = fh;
    return 0;
}
        int _sys_ensure(FILEHANDLE fh)
{
    fh = fh;
    return 0;
}

        long _sys_flen(FILEHANDLE fh)
{
    fh = fh;
    return 0;
}
       int _sys_tmpnam(char * name, int sig, unsigned maxlen)
{
    name = name;
    sig = sig;
    maxlen = maxlen;
    return 0;
}

        void _sys_exit(int returncode)
{
    returncode = returncode;
}

        char *_sys_command_string(char * cmd, int len)
{
    cmd = cmd;
    len = len;
    return 0;
}


/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/