bsp.cpp

易能嵌入式操作系统E_LAND1.0.0_LPC2106_DS12.rar

//==========================================================================================
//--文件名：
//--
//--功  能：
//--
//--作  者：陈  斌
//--
//--版本号：v1.00
//--
//--时  间：2006.12.31
//==========================================================================================
#ifndef BSP_C
#define BSP_C
#include <E_LAND.H>
#include <Board/BOARD.hPP>
#include "BSP.H"
extern "C"
{
void LowInit()
{
#ifdef __DEBUG_RAM
    MEMMAP = 0x2;
#endif
#ifdef __DEBUG_FLASH
    MEMMAP = 0x1;
#endif
#ifdef __IN_CHIP
    MEMMAP = 0x1;
#endif
    PLLCON = 1;
#if (VPB	== 1 | VPB == 2 | VPB == 4)
    VPBDIV = VPB&0x03;
#else
#error PLL分频器值(VPB),必须为1、2、4
#endif
#if Fcco < 156000000
#error Fcco必须大于156M
#endif
#if Fcco > 320000000
#error Fcco必须小于32M
#endif
    PLLCFG = ((MSEL-1) | ((PSEL - 1) << 5));
    PLLFEED = 0xaa;
    PLLFEED = 0x55;
    while((PLLSTAT & (1 << 10)) == 0);
    PLLCON = 3;
    PLLFEED = 0xaa;
    PLLFEED = 0x55;
    /* 设置存储器加速模块 */
    MAMCR = 0;
#if Fcclk < 20000000
    MAMTIM = 1;
#else
#if Fcclk < 40000000
    MAMTIM = 2;
#else
    MAMTIM = 1;
#endif
#endif
    MAMCR = 2;
    VICIntEnClr = 0xffffffff;
    VICVectAddr = 0;
    VICIntSelect = 0;
}
}
void BSP_Init()
{
	U0LCR = 0x83;
	U0DLL = 0x06;
	U0LCR = 0x03;
	U0FCR = 1|2|4;
	OSBSPInitHook();
}
void OSTimeInit()
{
	pLPC_T0->LPC_T0PR = 99;
	pLPC_T0->LPC_T0MCR = 0x03;
	pLPC_T0->LPC_T0MR0 = 110592/100;
	pLPC_T0->LPC_T0TCR = 0x03;
	pLPC_T0->LPC_T0TCR = 0x01;
	VICIntSelect = 0x00;
	VICVectCntl0 = 0x24;
	VICVectAddr0 = (UINT32)OSTick;
	VICIntEnable = 0X00000010;
}
void OSCloseTick()
{
	VICIntEnClr = 0X00000010;
}
void EnIntnesting()
{
	T0IR = 0x01;
	VICVectAddr = 0x00;
}
void FIQ_Exception()
{
}
void COMout(char i)
{
	static UINT16 j;
	if(j == 16)
	{
		while((U0LSR & 0x40)==0){};
		j=0;
	}
	j++;
	U0THR = i;
}
#endif