main.h

基于LPC213X的GPS应用及使用状态机解码。全面替代LPC213x.h, 展示结构指针在ARM之特殊寄存器应用,特殊寄存器变量可在WATCH窗口中显示,为软件仿真提供最大的方便。

__noinit__ volatile unsigned int SystemRamTest;


#define Fosc       11059200                    //Crystal frequence,10MHz~25MHz，should be the same as actual status. 
						    //应当与实际一至晶振频率,10MHz~25MHz，应当与实际一至
#define Fcclk      (Fosc * 5)                  //System frequence,should be (1~32)multiples of Fosc,and should be equal or less  than 60MHz. 
						    //系统频率，必须为Fosc的整数倍(1~32)，且<=60MHZ
#define Fcco       (Fcclk * 4)                 //CCO frequence,should be 2、4、8、16 multiples of Fcclk, ranged from 156MHz to 320MHz. 
						    //CCO频率，必须为Fcclk的2、4、8、16倍，范围为156MHz~320MHz
#define Fpclk      (Fcclk / 1) * 1             //VPB clock frequence , must be 1、2、4 multiples of (Fcclk / 4).
						    //VPB时钟频率，只能为(Fcclk / 4)的1、2、4倍
#define	UART_BPS	38400				// 串口通讯波特率

typedef struct {
  unsigned char RxBuffer[256], TxBuffer[256];
  unsigned char RxCount, TxCount;
  unsigned char RxdCount, TxdCount;
  unsigned char TxBusy;
}UartStruct;
volatile UartStruct Uart;
typedef struct {
  char Buffer[256];
  volatile unsigned int Year, Month, Doy;
  volatile unsigned int Hour, Min, Sec;
}RtcStruct;
RtcStruct Rtc;

extern void __swi(0) Enable_IRQ(void);
extern void __swi(1) Disable_IRQ(void);

extern void IRQ_RTC(void) __irq;
extern void IRQ_UART0 (void) __irq;
extern void IRQ_WriteRTC(void) __irq;


extern void SystemInit(void);
extern void VicInit(void);
extern void PortInit(void);
extern void UartInit(void);
extern void RtcInit(void);
extern unsigned int GetDow(unsigned int, unsigned int, unsigned int);
extern int GetDom(unsigned int, unsigned int);