target.c

LPC2106 控制 GPRS 铁电存储器 时钟等源码

#define IN_TARGET
#include "config.h"
/*        void IRQ_Exception(void)
{
    while(1);                   // 这一句替换为自己的代码
}*/

        void FIQ_Exception(void)
{
    while(1);                   // 这一句替换为自己的代码
}
//==============================================================//
    void Timer0_Exception(void)
{
    
    	 
	T0IR = 0x01; 
	 
    VICVectAddr = 0;            // 通知中断控制器中断结束
    OSTimeTick();
}

        void Timer0Init(void)
{
    T0IR = 0xffffffff;
    T0TC = 0;
    T0TCR = 0x01;
    T0MCR = 0x03;
    T0MR0 = (Fpclk / OS_TICKS_PER_SEC);
 }
      void VICInit(void)
{
    //extern void IRQ_Handler(void);
    extern void Timer0_Handler(void);
    extern void UART0_Handler(void);
    extern void UART1_Handler(void);


    //VICIntEnClr = 0xffffffff;
    //VICDefVectAddr = (uint32)IRQ_Handler;

    VICVectAddr1 = (uint32)Timer0_Handler;
    VICVectCntl1 = (0x20 | 0x04);
    VICIntEnable = 1 << 4;
    
    VICVectAddr9 = (uint32)UART0_Handler;
    VICVectCntl9 = (0x20 | 0x06);
    VICIntEnable = 1 << 6;
    
    VICVectAddr4 = (uint32)UART1_Handler;
    VICVectCntl4 = (0x20 | 0x07);
    VICIntEnable = 1 << 7;
    

 }

        void TargetInit(void)
{
    OS_ENTER_CRITICAL();
    
    srand((uint32) TargetInit);
    
    PINSEL0 = 0x00050055;//uart1 iic uart0
    PINSEL1 = 0x00000000;
   	IO0SET = EN_220V;//GPRS上电
   	VICInit();
    Timer0Init();

	

	//定义为输出。
	IO0DIR = IO0DIR|Q1|Q2|Q3|Q4|Q9|BEE|EN_5V|FL1|FL2|EN_220V|RST_UART|RST_GPRS|LED1;
	
   	UART0Init(9600);
    UART1Init(9600);
    I2C_Init(100000);
    //MSPI_Init(20);
    SPI_Ini();
    
    
    OS_EXIT_CRITICAL();
}

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

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

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

    PINSEL0 = (PINSEL0 & 0xFFFF0000) | 0x05 | 0x50;

/* 设置系统各部分时钟 */
    PLLCON = 1;
#if (Fpclk / (Fcclk / 4)) == 1
    VPBDIV = 0;
#endif
#if (Fpclk / (Fcclk / 4)) == 2
    VPBDIV = 2;
#endif
#if (Fpclk / (Fcclk / 4)) == 4
    VPBDIV = 1;
#endif

#if (Fcco / Fcclk) == 2
    PLLCFG = ((Fcclk / Fosc) - 1) | (0 << 5);
#endif
#if (Fcco / Fcclk) == 4
    PLLCFG = ((Fcclk / Fosc) - 1) | (1 << 5);
#endif
#if (Fcco / Fcclk) == 8
    PLLCFG = ((Fcclk / Fosc) - 1) | (2 << 5);
#endif
#if (Fcco / Fcclk) == 16
    PLLCFG = ((Fcclk / Fosc) - 1) | (3 << 5);
#endif
    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 = 3;
#endif
#endif
    MAMCR = 2;




/* 设置实时时钟 */
    CCR = 1;
    PREINT = Fpclk / 32768 - 1;
    PREFRAC = Fpclk - (Fpclk / 32768) * 32768;
    YEAR = 2004;
    MONTH = 3;
    DOM = 25;
    

    VICIntEnClr = 0xffffffff;
    VICVectAddr = 0;
    VICIntSelect = 0;
    T0IR = 0xffffffff;
    T0TCR = 0X02;
}